Merge branch 'master' into python
[official-gcc.git] / gcc / ChangeLog-2009
blobaf1a94f7bc9e118d55873877fbaf847875adba5d
1 2009-12-31  Jakub Jelinek  <jakub@redhat.com>
3         * tree-dump.c (dump_options): Don't set TDF_NOUID for all.
5 2009-12-31  Dave Korn  <dave.korn.cygwin@gmail.com>
6             Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
8         PR target/41605
9         * config/darwin.h (LINK_COMMAND_SPEC): Resolve fopenmp specifically
10         for target.
11         (LINK_SPEC): Replace dynamic libraries by static equivalents where
12         necessary.
13         * config/darwin9.h (LINK_COMMAND_SPEC): Resolve fopenmp specifically
14         for target.
16 2009-12-30  Dave Korn  <dave.korn.cygwin@gmail.com>
18         PR lto/42531
19         * lto-streamer-out.c (produce_asm): Skip any leading asterisk when
20         using DECL_ASSEMBLER_NAME to generate a section name.
21         (copy_function): Likewise.
23 2009-12-30  Andreas Schwab  <schwab@linux-m68k.org>
25         PR target/42516
26         * config/m68k/m68k.md (rotlsi_16): New insn.
28 2009-12-30  Joseph Myers  <joseph@codesourcery.com>
30         PR c/42439
31         * c-decl.c (check_bitfield_type_and_width): Only pedwarn if
32         pedantic for bit-field width not an integer constant expression
33         but folding to one.
35 2009-12-30  Ira Rosen  <irar@il.ibm.com>
37         PR tree-optimization/41956
38         * tree-vect-slp.c (vect_supported_load_permutation_p): Add check that
39         the load indices differ.
41 2009-12-30  Uros Bizjak  <ubizjak@gmail.com>
43         PR target/42549
44         * config/i386/mmx.md (*mmx_subv2sf3): Fix insn operand number for
45         alternative 1.
47 2009-12-30  Robert Millan  <rmh.gcc@aybabtu.com>
49         PR other/42537
50         * errors.c: Fix typo in comment.
51         * graphite-sese-to-poly.c: Likewise.
52         * profile.c (is_inconsistent): Fix typo in string.
54 2009-12-29  Ian Lance Taylor  <iant@google.com>
56         PR middle-end/42099
57         * expmed.c (expand_divmod): Don't shift HOST_WIDE_INT value more
58         than HOST_BITS_PER_WIDE_INT.
60 2009-12-29  H.J. Lu  <hongjiu.lu@intel.com>
62         * config/i386/i386.c (ix86_expand_int_vcond): Reformat.
64 2009-12-29  Dave Korn  <dave.korn.cygwin@gmail.com>
65             Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
67         PR objective-c++/41595
68         * config/darwin.c (darwin_label_is_anonymous_local_objc_name):
69         New function to recognize objective c/c++ internal symbols,
70         including mangled ones.
71         * config/darwin.h (ASM_OUTPUT_LABELREF): Use
72         darwin_label_is_anonymous_local_objc_name to detect both
73         mangled and clear ObjC internal symbols.
75 2009-12-28  H.J. Lu  <hongjiu.lu@intel.com>
77         PR middle-end/41344
78         * omp-low.c (diagnose_sb_2): Handle GIMPLE_COND.
80 2009-12-24  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
82         PR target/42457
83         * config/avr/avr.c (avr_extra_arch_macro): Remove static.
84         (avr_cpu_cpp_builtins): Remove.
85         * config/avr/avr.h (avr_extra_arch_macro): Add prototype.
86         * config/avr/avr-c.c: New File.
87         (avr_cpu_cpp_builtins) : Add.
88         * config/avr/t-avr: Add make information for avr-c.
89         * config.gcc (avr-*-*): Include avr-c.o as c and cpp object.
91 2009-12-24  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
93         PR target/35013, 27192
94         * config/avr/avr.c (print_operand_address): Print correct program
95         memory address.
96         Add warning for large device offset addresses.
97         (avr_assemble_integer): Ditto.
98         (print_operand): Add warnings for incorrect addressing.
99         (out_movqi_r_mr): Tag assembler with new address codes.
100         (out_movhi_r_mr): Ditto.
101         (out_movsi_r_mr): Ditto.
102         (out_movqi_mr_r): Ditto.
103         (out_movhi_mr_r): Ditto.
104         (out_movsi_mr_r): Ditto.
105         * config/avr/predicates.md (text_segment_operand): New predicate.
106         * config/avr/avr.md (jump): Tag assembler with new address codes.
107         (call_insn): Ditto.
108         (call_value_insn): Ditto.
109         (*tablejump_lib): Ditto.
110         (*cbi): Ditto.
111         (*sbi): Ditto.
112         (indirect_jump): New define_expand.
113         (jcindirect_jump): New pattern for constant expression jump.
114         (njcindirect_jump): Renamed old indirect_jump.
116 2009-12-24  Steven Bosscher  <steven@gcc.gnu.org>
118         * store-motion.c (build_store_vectors): Clear regs_set_in_block at
119         the start of a loop over basic blocks.
121 2009-12-24  Julian Brown  <julian@codesourcery.com>
122             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
124         PR target/40887
125         * config/arm/arm.c (output_call_mem): Remove armv5 support.
126         * config/arm/arm.md (*call_mem): Disable for armv5. Add note.
127         (*call_value_mem): Likewise.
129 2009-12-23  Jakub Jelinek  <jakub@redhat.com>
131         PR rtl-optimization/42475
132         * combine.c (make_compound_operation) <case SUBREG>: Use mode of
133         SUBREG_REG (x) instead of tem's mode.
135 2009-12-23  Jakub Jelinek  <jakub@redhat.com>
136             Cary Coutant  <ccoutant@google.com>
138         PR debug/42454
139         * dwarf2out.c (add_ranges_by_labels): Conditionally Add DW_AT_ranges
140         attribute.
141         (dwarf2out_finish): Change calls to add_ranges_by_labels.
143 2009-12-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
145         PR target/42093
146         * config/arm/arm.h (CASE_VECTOR_PC_RELATIVE): Fix macro usage
147         to TARGET_THUMB1.
148         (CASE_VECTOR_SHORTEN_MODE): Allow signed offsets
149         only for TARGET_THUMB1.
151 2009-12-23  Ramana Radhakrishnan  <ramrad01@arm.com>
153         PR target/40670
154         * config/arm/arm.md: Split for Thumb1 as well.
156 2009-12-22  Cary Coutant  <ccoutant@google.com>
158         PR debug/42454
159         * dwarf2out.c (dwarf2out_finish): Don't output range for .text
160         section unless .text section was used.  Likewise for cold.
162 2009-12-22  Brian Hackett  <bhackett1024@gmail.com>
164         * doc/plugins.texi: Rename pre-genericize event.
166 2009-12-22  Paolo Carlini  <paolo.carlini@oracle.com>
168         PR driver/42463
169         * params.def ([PARAM_PREDICTABLE_BRANCH_OUTCOME]): Fix typo in
170         help string.
172         * doc/invoke.texi: Fix typo.
174 2009-12-22  Paul Brook <paul@codesourcery.com>
176         * doc/tm.texi (ARG_POINTER_CFA_OFFSET): Document new default.
177         * defaults.h (ARG_POINTER_CFA_OFFSET): Add pretend_args_size.
178         * config/spu/spu.h (ARG_POINTER_CFA_OFFSET): Add pretend_args_size.
180 2009-12-21  Brian Hackett  <bhackett1024@gmail.com>
182         * plugin.def: Rename pre-genericize event.
183         * plugin.c (register_callback, invoke_plugin_callbacks): Same.
184         * c-decl.c (finish_function): Invoke callbacks on above event.
186 2009-12-21  Jakub Jelinek  <jakub@redhat.com>
188         PR rtl-optimization/42429
189         * reload.c (find_reloads_subreg_address): When adjusting mode of
190         MEM, update also MEM_SIZE if it is set.
192 2009-12-21  H.J. Lu  <hongjiu.lu@intel.com>
194         PR bootstrap/42345
195         * acinclude.m4 (gcc_GAS_FLAGS): New.
196         (gcc_GAS_CHECK_FEATURE): Use gcc_GAS_FLAGS.
197         * configure: Regenerated.
199 2009-12-20  Michael Matz  <matz@suse.de>
201         PR tree-optimization/42027
202         * cfgexpand.c (expand_gimple_cond): Use jumpy sequence for &, &&, |
203         and || if jumps are cheap.
205 2009-12-19  Richard Guenther  <rguenther@suse.de>
207         PR lto/42401
208         * lto-streamer-out.c (tree_is_indexable): Local statics are indexable.
209         (lto_output_tree_ref): Adjust assert.
211 2009-12-19  Richard Guenther  <rguenther@suse.de>
213         PR tree-optimization/42108
214         * tree-ssa-sccvn.c (last_vuse_ptr): New variable.
215         (vn_reference_lookup_2): Update last seen VUSE.
216         (vn_reference_lookup_3): Avoid updating last seen VUSE after
217         translating.
218         (visit_reference_op_load): Use last seen VUSE from the first
219         lookup when entering into the table.
221 2009-12-19  Joern Rennecke  <amylaar@spamcop.net>
223         * Makefile.in (PLUGIN_HEADERS): Add more headers.
225         * tree-pass.h (GCC_PASS_LISTS): Define.
226         (PASS_LIST_NO_all_lowering_passes): New enumeration value.
227         (PASS_LIST_NO_all_small_ipa_passes): Likewise.
228         (PASS_LIST_NO_all_regular_ipa_passes): Likewise.
229         (PASS_LIST_NO_all_lto_gen_passes): Likewise.
230         (PASS_LIST_NO_all_passes): Likewise.
231         (PASS_LIST_NUM): Likewise.
232         (gcc_pass_lists): Declare.
233         * passes.c (gcc_pass_lists): Define.
235 2009-12-18  Richard Guenther  <rguenther@suse.de>
237         * tree-ssa-sccvn.c (copy_nary): New function.
238         (copy_phis): Likewise.
239         (copy_references): Likewise.
240         (process_scc): Avoid last iteration by copying the
241         optimistic table to the valid table.
243 2009-12-17  Jakub Jelinek  <jakub@redhat.com>
245         * dwarf2out.c (loc_descriptor): For SYMBOL_REFs and LABEL_REFs
246         use DW_OP_addr+DW_OP_stack_value instead of DW_OP_implicit_value.
247         (add_const_value_attribute): For CONST_STRING, SYMBOL_REFs and
248         LABEL_REFs use DW_OP_addr+DW_OP_stack_value DW_AT_location instead of
249         DW_AT_const_value.
251 2009-12-17  Alexandre Oliva  <aoliva@redhat.com>
253         PR debug/41679
254         * var-tracking.c (count_uses): Count MO_VAL_USE of original
255         MO_VAL_SET value for COND_EXEC.
256         (add_stores): Handle conditional stores.
258         PR debug/41679
259         * var-tracking.c (use_type): Remove indirection from loc.
260         (count_uses): Dereference incoming loc early.
261         (add_uses): Dereference incoming loc early.
263         PR debug/41679
264         * var-tracking.c (add_stores): Avoid value mode mismatch for
265         promoted declarations.
267 2009-12-17  Jakub Jelinek  <jakub@redhat.com>
269         PR c++/42386
270         * ipa.c (function_and_variable_visibility): Clear same_comdat_group
271         links of DECL_EXTERNAL nodes.
273 2009-12-17  Sandra Loosemore  <sandra@codesourcery.com>
275         * doc/rtl.texi (Vector Operations): Clarify vec_select result mode.
277 2009-12-17  Julian Brown  <julian@codesourcery.com>
279         * config/arm/bpabi-v6m.S (test_div_by_zero): New macro.
280         (aeabi_ldivmod, aeabi_uldivmod): Use above macro.
281         * config/arm/bpabi.S (test_div_by_zero): New macro.
282         (aeabi_ldivmod, aeabi_uldivmod): Use above macro.
283         * config/arm/lib1funcs.asm (ARM_LDIV0): Tail-call int div-by-zero
284         handler for EABI. Add signed/unsigned argument, pass correct value
285         to that handler.
286         (THUMB_LDIV0): Same, for Thumb.
287         (DIV_FUNC_END): Add signed argument.
288         (WEAK): New macro (for EABI).
289         (__udivsi3, __umodsi3): Add unsigned argument to DIV_FUNC_END. For
290         __udivsi3, add entry point which skips division-by-zero test.
291         (__divsi3, __modsi3): Add signed argument to DIV_FUNC_END.
292         (__aeabi_uidivmod, __aeabi_idivmod): Check for division by zero.
293         Call __udivsi3 or __divsi3 via entry points which skip
294         division-by-zero tests.
295         (__div0): Rename to __aeabi_idiv0, __aeabi_ldiv0 for EABI, and
296         declare those names weak.
298 2009-12-17  Richard Guenther  <rguenther@suse.de>
300         PR middle-end/42397
301         * builtins.c (get_object_alignment): Properly deal with
302         a CONST_DECL base.
303         * expr.c (emit_block_move_hints): Assert the alignment makes sense.
305 2009-12-17  Uros Bizjak  <ubizjak@gmail.com>
307         PR target/32280
308         * config/i386/i386-modes.def (V1TI): New vector mode.
309         * config/i386/i386.h (VALID_SSE_REG_MODE): Add V1TImode.
310         (SSE_REG_MODE_P): Ditto.
311         * config/i386/sse.md (SSEMODE16): New mode iterator.
312         (AVXMODE16): Ditto.
313         (avxvecmode): Handle V1TI mode.
314         (*avx_mov<mode>_internal): Use AVXMODE16 instead of AVXMODE.
315         (mov<mode>): Use SSEMODE16 instead of SSEMODE.
316         (*mov<mode>_internal): Ditto.
317         (push<mode>1): Ditto.
318         (movmisalign<mode>): Ditto.
319         (sse2_ashlv1ti): Rename from sse2_ashlti.
320         (sse2_lshrv1ti): Rename from sse2_lshrti.
321         (*avx_ashlv1ti): Rename from *avx_ashlti and move from i386.md.
322         (*avx_lshrv1ti): Rename from *avx_lshrti and move from i386.md.
323         (vec_shl_<mode>): Convert operands to V1TImode and use V1TI shift.
324         (vec_shr_<mode>): Ditto.
325         (*sse2_mulv4si3): Update for renamed sse2_ashlv1ti3.
326         (udot_prodv4si): Ditto.
327         * config/i386/i386.c (classify_argument): Handle V1TImode.
328         (function_arg_advance_32): Ditto.
329         (function_arg_32): Ditto.
330         (ix86_expand_sse4_unpack): Convert operands to V1TImode and update
331         for renamed gen_sse2_lshrv1ti3.
332         (ix86_expand_args_builtin) <V2DI_FTYPE_V2DI_INT_CONVERT>: Set rmode
333         to V1TImode.
334         (struct builtin_description) <__builtin_ia32_pslldqi128>: Update
335         for renamed sse2_ashlv1ti3.
336         <__builtin_ia32_psrldqi128>: Update for renamed sse2_lshrv1ti3.
338         Revert:
339         2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
341         PR target/32280
342         * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
343         * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.
345 2009-12-17  Richard Earnshaw  <rearnsha@arm.com>
347         PR target/42372
348         * arm.md (pic_add_dot_plus_eight): Change output constraint from
349         update to write.
351 2009-12-17  Shujing Zhao  <pearly.zhao@oracle.com>
353         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
354         Update build_indirect_ref calls.
356 2009-12-17  Uros Bizjak  <ubizjak@gmail.com>
358         * config/i386/sync.md (IMODE): Remove mode iterator.
359         (modesuffix): Remove mode attribute.
360         (modeconstraint): Ditto.
361         (immconstraint): Ditto.
362         (*sync_compare_and_swap<mode>): Use SWI mode iterator instead of
363         IMODE mode iterator, imodesuffix mode attribute instead of modesuffix,
364         <r> mode attribute instead of modeconstraint and <i> mode attribute
365         instead of immconstraint.
366         (sync_double_compare_and_swap<mode>): Ditto.
367         (sync_old_add<mode>): Ditto.
368         (sync_lock_test_and_set<mode>): Ditto.
369         (sync_add<mode>): Ditto.
370         (sync_sub<mode>): Ditto.
371         (sync_and<mode>): Ditto.
372         (sync_ior<mode>): Ditto.
373         (sync_xor<mode>): Ditto.
374         (sync_<code><mode>): Macroize insn pattern from
375         sync_{and,ior,xor}<mode> using any_logic code iterator.
377 2009-12-17  Shujing Zhao  <pearly.zhao@oracle.com>
379         PR c/40885
380         * c-common.h (ref_operator): New type.
381         (build_indirect_ref): Adjust prototype with new argument.
382         * c-typeck.c (build_indirect_ref): Accept ref_operator as argument and
383         emit the diagnostics for easy translation.
384         (build_array_ref): Update calls to build_indirect_ref.
385         * c-omp.c (c_finish_omp_atomic): Likewise.
386         * c-parser.c (c_parser_unary_expression,
387         c_parser_postfix_expression_after_primary): Likewise.
389 2009-12-16  Richard Guenther  <rguenther@suse.de>
391         PR lto/42392
392         * langhooks.c (lhd_begin_section): Make sure to switch back
393         to the text section, not some random one.
395 2009-12-16  Jakub Jelinek  <jakub@redhat.com>
397         * tree-chrec.c (chrec_convert_1): Only fold (T2)(t +- x) to
398         (T2)t +- (T2)x if only integer types are involved.
400 2009-12-16  Ben Elliston  <bje@au.ibm.com>
402         * tree-data-ref.h (dot_rdg): Remove prototype.
403         * tree-data-ref.c (dog_rdg_1, dot_rdg): Remove.
405 2009-12-16  Kazu Hirata  <kazu@codesourcery.com>
407         * doc/invoke.texi, doc/options.texi, doc/plugins.texi,
408         doc/tm.texi: Fix typos.
410 2009-12-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
412         * doc/extend.texi (Function Attributes, Extended Asm):
413         Replace TABs with spaces.
414         * doc/md.texi (Standard Names): Likewise.
415         * doc/plugins.texi (Plugins): Likewise.
417         * doc/c-tree.texi (Expression trees): Use @itemx for all but
418         the first item for merged items.
419         * doc/extend.texi (Variable Attributes): Likewise.
420         * doc/install.texi (Configuration): Likewise.
421         * doc/invoke.texi (RS/6000 and PowerPC Options, RX Options):
422         Likewise.
424 2009-12-15  Richard Guenther  <rguenther@suse.de>
426         * tree.c (free_lang_data_in_binfo): Do not free BINFO_OFFSET
427         and BINFO_VPTR_FIELD.
428         (free_lang_data_in_type): Do not free TYPE_STUB_DECL if we
429         generate debug information.
430         (free_lang_data_in_decl): Do not free DECL_SIZE_UNIT,
431         DECL_SIZE, DECL_FIELD_OFFSET and DECL_FCONTEXT.
432         (free_lang_data): Do not disable debuginfo.
433         * lto-streamer-out.c (write_symbol_vec): Deal with
434         non-constant DECL_SIZE.
435         (pack_ts_base_value_fields): Write types with false
436         TREE_ASM_WRITTEN.
437         (lto_output_ts_type_tree_pointers): Stream TYPE_STUB_DECL.
438         * lto-streamer-in.c (lto_input_ts_type_tree_pointers): Stream
439         TYPE_STUB_DECL.
440         * dwarf2out.c (add_pure_or_virtual_attribute): Check for
441         DECL_CONTEXT.
442         (gen_type_die_for_member): Test for TYPE_STUB_DECL.
443         * opts.c (decode_options): Do not disable var-tracking for lto.
444         * doc/invoke.texi (-flto): Document -flto vs. -g experimental
445         status.
446         (-fwhopr): Document experimental status.
448 2009-12-15  Aldy Hernandez  <aldyh@redhat.com>
450         PR graphite/42185
451         * graphite-sese-to-poly.c (is_reduction_operation_p): Assert that
452         we are a GIMPLE_ASSIGN.  Do not calculate rhs code twice.
453         (follow_ssa_with_commutative_ops): Return NULL on non assignment.
455 2009-12-15  Eric Botcazou  <ebotcazou@adacore.com>
457         * config/rs6000/rs6000.md (probe_stack): Use an enclosing SET.
459 2009-12-15  Richard Guenther  <rguenther@suse.de>
461         * gimple.h (compare_field_offset): Declare.
462         * gimple.c (compare_field_offset): Export.
463         * lto-streamer-in.c (input_gimple_stmt): Use compare_field_offset.
465 2009-12-15  Richard Guenther  <rguenther@suse.de>
467         * lto-cgraph.c (lto_output_node): Also stream the alias
468         for regular aliases.
469         (input_node): Likewise.
471 2009-12-15  Paolo Bonzini  <bonzini@gnu.org>
472             Shujing Zhao  <pearly.zhao@oracle.com>
474         * intl.c (get_spaces): New.
475         * intl.h (get_spaces): New.
477 2009-12-14  Jakub Jelinek  <jakub@redhat.com>
479         PR bootstrap/42369
480         * config/i386/i386.c (ix86_expand_special_args_builtin): Avoid
481         using switch with CODE_FOR_lwp_lwp* cases.
483         * config/i386/i386-builtin-types.def (PVOID_FTYPE_VOID): Use
484         DEF_FUNCTION_TYPE (PVOID) instead of DEF_FUNCTION_TYPE (PVOID, VOID).
486 2009-12-14  Eric Botcazou  <ebotcazou@adacore.com>
488         * cfgexpand.c (expand_debug_expr) <INDIRECT_REF>: Remove overzealous
489         assertion and useless code.
490         <TARGET_MEM_REF>: Likewise.
492 2009-12-14  Alexandre Oliva  <aoliva@redhat.com>
494         PR debug/41473
495         * dwarf2out.c (AT_loc_list_ptr): New.
496         (resolve_addr): Remove unresolved attributes and loc_list entries.
498         PR debug/41473
499         * dwarf2out.c (add_var_loc_to_decl): Don't drop initial empty
500         locations.
501         (new_loc_list): Drop gensym arg.  Move generation of ll_symbol...
502         (gen_llsym): ... here.  New function.
503         (add_loc_descr_to_loc_list): Removed.
504         (loc_descriptor): Infer mode from CONST_DOUBLEs and CONST_VECTORs.
505         (single_element_loc_list): Removed.
506         (dw_loc_list): Don't create entries without a location.  Don't
507         special-case the first node of the list, only single nodes.
508         (single_element_loc_list_p): Simplify.
509         (loc_list_from_tree): Don't use DECL_RTL if loc_list is nonempty.
510         (add_location_or_const_value_attribute): Test var loc for NULL.
511         (convert_cfa_to_fb_loc_list): Adjust calls to new new_loc_list,
512         call gen_llsym if needed.
514 2009-12-14  Jakub Jelinek  <jakub@redhat.com>
516         * cgraph.h (cgraph_set_nothrow_flag, cgraph_set_readonly_flag,
517         cgraph_set_pure_flag, cgraph_set_looping_const_or_pure_flag): New
518         prototypes.
519         * cgraph.c (cgraph_set_nothrow_flag, cgraph_set_readonly_flag,
520         cgraph_set_pure_flag, cgraph_set_looping_const_or_pure_flag): New
521         functions.
522         * except.h (set_nothrow_function_flags): Remove prototype.
523         * except.c (set_nothrow_function_flags): Use cgraph_set_nothrow_flag.
524         Make static.
525         * ipa-pure-const.c (propagate): Use cgraph_set_nothrow_flag,
526         cgraph_set_readonly_flag, cgraph_set_pure_flag
527         and cgraph_set_looping_const_or_pure_flag.
528         (local_pure_const): Likewise.
530 2009-12-14  Jakub Jelinek  <jakub@redhat.com>
531             Sebastian Pop  <sebastian.pop@amd.com>
533         * config/i386/i386-builtin-types.def (PVOID): Declared.
534         (VOID_FTYPE_PVOID): Declared.
535         (PVOID_FTYPE_VOID): Declared.
536         (UCHAR_FTYPE_USHORT_UINT_USHORT): Removed.
537         (VOID_FTYPE_USHORT_UINT_USHORT): Removed.
538         * config/i386/i386.c (IX86_BUILTIN_LLWPCB16, IX86_BUILTIN_LLWPCB32,
539         IX86_BUILTIN_LLWPCB64, IX86_BUILTIN_SLWPCB16, IX86_BUILTIN_SLWPCB32,
540         IX86_BUILTIN_SLWPCB64, IX86_BUILTIN_LWPVAL16, IX86_BUILTIN_LWPINS16):
541         Removed.
542         (IX86_BUILTIN_LLWPCB, IX86_BUILTIN_SLWPCB): New.
543         (bdesc_special_args): Adjust declaration of __builtin_ia32_llwpcb,
544         __builtin_ia32_slwpcb, __builtin_ia32_lwpval32,
545         __builtin_ia32_lwpval64, __builtin_ia32_lwpins32, and
546         __builtin_ia32_lwpins64.
547         (ix86_expand_special_args_builtin): Handle VOID_FTYPE_PVOID.
548         Do not handle VOID_FTYPE_USHORT_UINT_USHORT and
549         UCHAR_FTYPE_USHORT_UINT_USHORT.  Warn when the third operand is
550         not an immediate.  Also handle builtin functions with 3 arguments.
551         (ix86_expand_builtin): Handle IX86_BUILTIN_LLWPCB and
552         IX86_BUILTIN_SLWPCB.
553         * config/i386/i386.md (UNSPEC_LLWP_INTRINSIC, UNSPEC_SLWP_INTRINSIC):
554         Renamed UNSPECV_LLWP_INTRINSIC and UNSPECV_SLWP_INTRINSIC.
555         (memory attribute): Handle lwp.
556         (lwp*): Rewrite all the insn patterns for LWP.
557         * config/i386/lwpintrin.h (__llwpcb16, __llwpcb32, __llwpcb64,
558         __slwpcb16, __slwpcb32, __slwpcb64, __lwpval16, __lwpins16): Removed.
559         (__llwpcb, __slwpcb): New.
561 2009-12-14  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
563         * dominance.c (set_immediate_dominator): Don't mark as inline.
565 2009-12-14  Eric Botcazou  <ebotcazou@adacore.com>
567         * doc/tm.texi (STACK_CHECK_PROTECT): Document alternate default.
568         * doc/md.texi (check_stack): Clarify.
569         (probe_stack): Likewise.
570         * config/rs6000/rs6000.md (UNSPEC_PROBE_STACK): New constant.
571         (probe_stack): New insn.
573 2009-12-14  Ben Elliston  <bje@au.ibm.com>
575         * lto-streamer-in.c (lto_get_builtin_tree): fclass can only be a
576         BUILT_IN_NORMAL or BUILT_IN_MD.
578 2009-12-13  Eric Botcazou  <ebotcazou@adacore.com>
580         * doc/tm.texi (STACK_CHECK_PROBE_LOAD): Delete.
581         * expr.h (STACK_CHECK_PROBE_LOAD): Likewise.
582         * explow.c (emit_stack_probe): Do not test STACK_CHECK_PROBE_LOAD.
583         * system.h (STACK_CHECK_PROBE_LOAD): Poison.
585 2009-12-13  Michael Matz  <matz@suse.de>
587         PR tree-optimization/42027
588         * dojump.c (do_jump <TRUTH_AND_EXPR, TRUTH_OR_EXPR>): Go to
589         TRUTH_ANDIF_EXPR resp. TRUTH_ORIF_EXPR expander, instead of
590         falling through.
592 2009-12-13  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
594         PR target/23726
595         * config/avr/predicates.md (pseudo_register_operand): New predicate
596         for pseudos.
597         * config/avr/avr.md (divmodqi4): Replace with define_insn_and_split
598         to allow div/mod optimization.
599         (udivmodqi4): Ditto.
600         (divmodhi4): Ditto.
601         (udivmodhi4): Ditto.
602         (divmodsi4): Ditto.
603         (udivmodsi4): Ditto.
605 2009-12-13  Richard Guenther  <rguenther@suse.de>
607         PR tree-optimization/42357
608         * tree-sra.c (sra_modify_assign): Do not tear apart struct copies.
610 2009-12-12  Richard Guenther  <rguenther@suse.de>
612         * tree.c (need_assembler_name_p): Abstract decls do not need
613         an assembler name.
614         * dwarf2out.c (dwarf2out_abstract_function): Preserve
615         DECL_ABSTRACT properly.
617 2009-12-11  Richard Guenther  <rguenther@suse.de>
619         * lto-streamer-in.c (lto_input_tree_ref): Do not register
620         DEBUG_EXPR_DECLs with the varpool.
622 2009-12-11  Eric Botcazou  <ebotcazou@adacore.com>
624         * config/sparc/linux-unwind.h (MD_FROB_UPDATE_CONTEXT, 64-bit): Define.
625         (sparc64_frob_update_context): New function.
627 2009-12-11  Richard Guenther  <rguenther@suse.de>
629         PR lto/41658
630         PR lto/41657
631         * lto-streamer-out.c (write_global_stream): Do not make decls
632         weak but resort to TREE_ASM_WRITTEN to avoid multiple definitions.
633         Make sure to mark all decls that we have written.
635 2009-12-11  Sebastian Andrzej Siewior  <bigeasy@linutronix.de>
637         PR target/36047
639         * config/m68k/linux.h: Remove LABELNO from the mcount statement. It is
640         not used by glibc/uclibc and does not work with large binaries.
642 2009-12-11  Richard Guenther  <rguenther@suse.de>
644         PR lto/41662
645         * lto-streamer-in.c (lto_init_eh): Move eh_initialized_p
646         handling here.
647         (input_eh_regions): Adjust.
648         (lto_input_ts_function_decl_tree_pointers): Initialize EH
649         if a non-NULL DECL_FUNCTION_PERSONALITY was read in.
651 2009-12-11  Duncan Sands  <baldrick@free.fr>
653         * passes.c (make_pass_instance): Allocate and copy the right amount of
654         memory for ipa passes, which are not the same size as other passes.
656 2009-12-11  Joern Rennecke  <amylaar@spamcop.net>
658         * plugin.c (get_named_event_id): Fix hash table rebuild to include
659         dynamically allocated events.
661 2009-12-11  Richard Guenther  <rguenther@suse.de>
663         PR lto/42320
664         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Properly
665         detect non-prevailing decls.
667 2009-12-10  Jakub Jelinek  <jakub@redhat.com>
669         PR c++/42317
670         * cgraph.h (struct cgraph_node): Add same_comdat_group field.
671         * cgraph.c (cgraph_remove_node): Unchain node from same_comdat_group
672         circular list.
673         (cgraph_node_can_be_local_p): Return false for DECL_COMDAT with
674         node->same_comdat_group.
675         * ipa.c (cgraph_remove_unreachable_nodes): For any reachable node
676         mark all its same_comdat_group nodes as also reachable.
677         (cgraph_externally_visible_p): Return true even if any of
678         same_comdat_group nodes has address taken.
679         * lto-cgraph.c (lto_output_node): Stream out same_comdat_group.
680         (output_cgraph): Ensure other same_comdat_group nodes are also
681         included.
682         (input_node): Stream in same_comdat_group.
683         (input_cgraph_1): Fix up same_comdat_group fields from references
684         to pointers.
685         * cgraphunit.c (cgraph_analyze_functions): Mark all other
686         same_comdat_group nodes as reachable.
687         (cgraph_mark_functions_to_output): For each node->process process
688         also other same_comdat_group nodes.
689         * ipa-inline.c (cgraph_clone_inlined_nodes): Don't reuse nodes
690         with same_comdat_group non-NULL.
691         (cgraph_mark_inline_edge): Likewise.
693 2009-12-10  Jan Hubicka  <jh@suse.cz>
695         PR middle-end/42228
696         PR middle-end/42110
697         * cgraph.c (cgraph_create_edge_including_clones): Add old_stmt
698         parameter; update edge if it already exists.
699         (cgraph_remove_node): Handle correctly cases where we are removing
700         node having clones.
701         * cgraph.h (cgraph_create_edge_including_clones): Declare.
702         (verify_cgraph_node): Add missing error_found = true code.
703         (cgraph_materialize_all_clones): Remove call edges of dead nodes.
704         * ipa.c (cgraph_remove_unreachable_nodes): Correctly look for master
705         clone; fix double linked list removal.
706         * tree-inline.c (copy_bb): Update cgraph_create_edge_including_clones
707         call; fix frequency of newly created edge.
709 2009-12-10  Bernd Schmidt  <bernd.schmidt@analog.com>
711         PR rtl-opt/42216
712         * regrename.c: Error out if MAX_RECOG_OPERANDS is larger than
713         HOST_BITS_PER_WIDE_INT.
714         (verify_reg_in_set): New function, broken out of verify_reg_tracked.
715         (verify_reg_tracked): Use it.
716         (scan_rtx_reg): When seeing a use involving a superset of the
717         registers in an existing chain, enlarge that chain.  Otherwise,
718         allow subsets and set fail_current_block for all other kinds of
719         overlap.
720         (hide_operands): New argument UNTRACKED_OPERANDS; callers changed.
721         Do not modify operands when the bit with the corresponding number
722         is set in that bitmap.
723         (build_def_use): When we see matching operands with different
724         modes, don't set fail_current_block, but keep track of such
725         operands in a bitmap if their registers aren't already tracked
726         in an open chain.  Pass this bitmap to all hide_operands calls.
728 2009-12-10  Richard Guenther  <rguenther@suse.de>
730         PR tree-optimization/42337
731         * tree-ssa-pre.c (seen_during_translate): Remove.
732         (phi_translate_1): Collapse into ...
733         (phi_translate): ... this.  Remove seen parameter and
734         adjust recursive calls.
736 2009-12-10  Richard Guenther  <rguenther@suse.de>
737         Allan Sandfeld Jensen  <linux@carewolf.com>
739         * tree-vectorizer.c (vectorize_loops): Properly guard
740         vectorizer verboseness.
742 2009-12-10  Ben Elliston  <bje@au.ibm.com>
744         * fwprop.c (free_load_extend): Initialise `use'.
746 2009-12-09  David Edelsohn  <edelsohn@gnu.org>
748         * builtins.c (do_mpc_ckconv): Pass the component type to
749         real_from_mpfr().
751 2009-12-09  Xinliang David Li  <davidxl@google.com>
753         PR tree-optimization/42337
754         * tree-ssa-pre.c (phi_translate_1): Push and Pop SEEN set.
756 2009-12-09  Nathan Froyd  <froydnj@codesourcery.com>
758         * config/rs6000/vector.md (absv2sf2, negv2sf2, addv2sf3, subv2sf3,
759         mulv2sf3, divv2sf3): New expanders.
760         * config/rs6000/spe.md (spe_evabs, spe_evand, spe_evaddw, spe_evsubfw,
761         spe_evdivws): Rename to use standard GCC names.
762         * config/rs6000/paired.md (negv2sf, absv2sf2, addv2sf3, subv2sf3,
763         mulv2sf3, divv2sf3): Rename to avoid conflict with the new expanders.
764         * config/rs6000/rs6000.c (bdesc_2arg, bdesc_1arg): Use new CODE_FOR_
765         names for renamed patterns.
767 2009-12-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
769         * config/s390/s390.md ("copysign<mode>3"): Pattern removed.
771 2009-12-09  Jakub Jelinek  <jakub@redhat.com>
773         * configure.ac: Compute ld_ver, ld_vers, ld_date, ld_vers_major,
774         ld_vers_minor and ld_vers_path always, not just when gcc_cv_ld_hidden
775         isn't cached.
776         * configure: Regenerated.
778 2009-12-08  Richard Henderson  <rth@redhat.com>
780         * combine.c (setup_incoming_promotions): Fix sign-extend of
781         zero-extend case; tidy conditions.
783 2009-12-08  Michael Matz  <matz@suse.de>
785         PR middle-end/38474
786         * function.c (free_temp_slots): Only walk the temp slot
787         addresses and combine slots if we actually changes something.
788         (pop_temp_slots): Ditto.
790 2009-12-08  Olga Golovanevsky  <olga@il.ibm.com>
792         PR middle-end/41843
793         * ipa-struct-reorg.c (compare_fields): New function.
794         (find_field_in_struct_1): Use compare_fields function.
795         (is_equal_types): Likewise.
797 2009-12-07  DJ Delorie  <dj@redhat.com>
799         PR c/42312
800         * config/mep/mep.c (mep_expand_prologue): Set
801         really_need_stack_frame after frame_size is set.
803 2009-12-07  Richard Henderson  <rth@redhat.com>
805         PR rtl-opt/42269
806         * combine.c (setup_incoming_promotions): Improve the conditions
807         under which we respect the promotions applied.
809 2009-12-07  Eric Botcazou  <ebotcazou@adacore.com>
811         * config/sparc/linux.h (ASM_SPEC): Pass -K PIC if -findirect-dispatch.
812         * config/sparc/linux64.h (ASM_SPEC): Likewise.
814 2009-12-07  Richard Henderson  <rth@redhat.com>
816         PR debug/42299
817         PR debug/42166
818         * tree-ssa.c (insert_debug_temp_for_var_def): Skip propagation
819         for ssa names already registered for update.
821 2009-12-07  Jakub Jelinek  <jakub@redhat.com>
823         PR debug/42244
824         * ddg.c (add_inter_loop_mem_dep): Use ANTI_DEP if from or to
825         is a DEBUG_INSN.
827 2009-12-07  Sebastian Pop  <sebastian.pop@amd.com>
829         * config/i386/driver-i386.c (host_detect_local_cpu): Add -mlwp to the
830         options when bit_LWP is set.
832 2009-12-07  Sebastian Pop  <sebastian.pop@amd.com>
834         * config/i386/cpuid.h (bit_ABM): New.
835         * config/i386/driver-i386.c (host_detect_local_cpu): Add -mabm to the
836         options when bit_ABM is set.
838 2009-12-07  Jakub Jelinek  <jakub@redhat.com>
840         * config/i386/i386.c (bdesc_special_args): Move __builtin_clzs from
841         this array ...
842         (bdesc_args): ... here.
843         * config.gcc (i[34567]86-*-*): Include abmintrin.h.
844         (x86_64-*-*): Likewise.
846 2009-12-07  Sebastian Pop  <sebastian.pop@amd.com>
848         * config.gcc (i[34567]86-*-*, x86_64-*-*): Add popcntintrin.h.
849         * config/i386/abmintrin.h (_mm_popcnt_u32, _mm_popcnt_u64): Moved...
850         * config/i386/i386-c.c (__POPCNT__): Defined.
851         * config/i386/popcntintrin.h: ...here.  New file.
852         * config/i386/smmintrin.h (_mm_popcnt_u32, _mm_popcnt_u64): Moved...
853         Include popcntintrin.h.
854         * config/i386/x86intrin.h: Include popcntintrin.h when __POPCNT__
855         is defined.
857 2009-12-07  Sebastian Pop  <sebastian.pop@amd.com>
859         * config/i386/i386-protos.h (ix86_expand_fma4_multiple_memory):
860         Removed.
861         * config/i386/i386.c (ix86_expand_fma4_multiple_memory): Removed.
862         * config/i386/sse.md: Remove all XOP splitters.
863         Allow the second and fourth operands of XOP multiply-add insns
864         to be nonimmediate.
866 2009-12-07  Sebastian Pop  <sebastian.pop@amd.com>
868         * config/i386/sse.md: Remove all FMA4 splitters.
869         Allow the second operand of FMA4 insns to be a nonimmediate.
870         Fix comments punctuation.
872 2009-12-07  Julian Brown  <julian@codesourcery.com>
874         * config/arm/constraints.md (Ps, Pt): New constraint letters.
875         * config/arm/thumb2.md (*thumb2_addsi_short): Tighten constraints.
877 2009-12-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
879         PR other/40302
880         * configure.ac (HAVE_mpc): Don't define.
881         * config.in, configure: Regenerate.
883         PR other/40302
884         * builtins.c: Remove HAVE_mpc* checks throughout.
885         * fold-const.c: Likewise.
886         * real.h: Likewise.
887         * toplev.c: Likewise.
889 2009-12-07  Edmar Wienskoski  <edmar@freescale.com>
891         * config.gcc (cpu_is_64bit): Add new core e500mc64.
892         (powerpc*-*-*): Add new core e500mc64.
893         * config/rs6000/e500mc64.md: New file.
894         * config/rs6000/rs6000.c (processor_costs): Add new costs for
895         e500mc64.
896         (rs6000_override_options): Add e500mc64 case to
897         processor_target_table. Altivec and Spe options not allowed with
898         e500mc64. Disable string instructions for e500mc64. Enable branch
899         targets alignment for both e500mc and e500mc64. Initialize
900         rs6000_cost for e500mc64.
901         (rs6000_emit_sISEL): New function.
902         (rs6000_emit_sCOND): Call rs6000_emit_sISEL for isel targets.
903         (rs6000_emit_int_cmove): Fix mode of 64 bit isel pattern
904         generation.
905         (rs6000_issue_rate): Set issue rate for e500mc64.
906         (rs6000_rtx_costs): Set more accurate cost for mfcr instruction
907         on architectures with isel.
908         * config/rs6000/rs6000-protos.h (rs6000_emit_sISEL): Declare.
909         * config/rs6000/rs6000.h (processor_type): Add
910         PROCESSOR_PPCE500MC64.
911         (ASM_CPU_SPEC): Add e500mc64.
912         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce500mc64.
913         Include e500mc64.md.
914         (abssi2_isel): Expand pattern to handle DImode.
915         (nabs<mode>2_isel): New pattern.
916         (absdi2): Change pattern to handle 64 bit isel targets.
917         (absdi2_internal): Exclude ISEL targets.
918         (nabsdi2): Exclude ISEL targets.
919         * doc/invoke.texi: Add e500mc64 to list of cpus.
921 2009-12-07  Uros Bizjak  <ubizjak@gmail.com>
923         * config/i386/i386.md (any_or): New code iterator.
924         (any_logic): Rename from plogic code iterator.
925         (logicprefix): Rename from plogicprefix code attribute.
926         (<code><mode>3): Macroize expander from {ior,xor}<mode>3 using
927         any_or code iterator.
928         (*<code><mode>_1): Macroize insn from *{ior,xor}<mode>_1 using
929         any_or code iterator.
930         (*<code><mode>_2): Ditto from *{ior,xor}<mode>_2.
931         (*<code><mode>_3): Ditto from *{ior,xor}<mode>_3.
932         (ior and xor splitters): Ditto.
933         * config/i386/mmx.md: Updated for rename.
934         * config/i386/sse.md: Ditto.
936 2009-12-07  Uros Bizjak  <ubizjak@gmail.com>
938         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
939         Remove quotes around condition logic code.
941 2009-12-06  Richard Henderson  <rth@redhat.com>
943         PR debug/42234
944         * tree-ssa-dom.c (degenerate_phi_result): Check for NULL phi
945         argument earlier.
947 2009-12-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
949         * doc/install.texi: Document MPC is required.
951 2009-12-06  Uros Bizjak  <ubizjak@gmail.com>
953         * config/i386/i386.md (g): Add HImode and QImode.
954         (general_szext_operand): New mode attribute.
955         (*test<mode>_1): Macroize insn from *test{qi,hi,si}_1 using
956         SWI124 mode iterator.
957         (and<mode>3): Macroize expander from and{qi,hi,si,di}3 using
958         SWIM mode iterator.
959         (*and<mode>_2): Macroize insn from *and{qi,hi,si}_2 using
960         SWI124 mode iterator.
961         (ior<mode>3): Macroize expander from ior{qi,hi,si,di}3 using
962         SWIM mode iterator.
963         (*ior<mode>_1): Macroize insn from *ior{hi,si,di}_1 using
964         SWI248 mode iterator.
965         (*ior<mode>_2): Macroize insn from *ior{qi,hi,si,di}_2 using
966         SWI mode iterator.
967         (*ior<mode>_3): Macroize insn from *ior{qi,hi,si,di}_3 using
968         SWI mode iterator.
969         (xor<mode>3): Macroize expander from xor{qi,hi,si,di}3 using
970         SWIM mode iterator.
971         (*xor<mode>_1): Macroize insn from *xor{hi,si,di}_1 using
972         SWI248 mode iterator.
973         (*xor<mode>_2): Macroize insn from *xor{qi,hi,si,di}_2 using
974         SWI mode iterator.
975         (*xor<mode>_3): Macroize insn from *xor{qi,hi,si,di}_3 using
976         SWI mode iterator.
978 2009-12-05  Sebastian Pop  <sebastian.pop@amd.com>
980         * config/i386/i386.c (TARGET_DEFAULT_TARGET_FLAGS): Add
981         MASK_FUSED_MADD.
982         * config/i386/i386.h (CC1_CPU_SPEC_1): Remove
983         "'-mfused-madd' was removed".
984         * config/i386/i386.opt (mfused-madd): New.
985         * config/i386/sse.md: Add TARGET_FUSED_MADD to FMA4 insns.
986         * doc/invoke.texi (-mfused-madd, -mno-fused-madd): Document.
988 2009-12-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
990         * pa64-hpux.h (LIB_SPEC): Handle -rdynamic.
991         * pa-hpux10.h (LIB_SPEC): Likewise.
992         * pa-hpux11.h (LIB_SPEC): Likewise.
994         PR ada/41912
995         * pa/linux-unwind.h (pa32_fallback_frame_state): Set fs->signal_frame
996         for signal frames.
997         * pa/hpux-unwind.h (pa32_fallback_frame_state): Likewise.
999 2009-12-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1001         * configure: Regenerate.
1003 2009-12-05  Richard Earnshaw  <rearnsha@arm.com>
1005         * arm/thumb2.md (thumb2_mulsi_short_compare0): Use a low-register
1006         for the scratch.
1008 2009-12-04  David Daney  <ddaney@caviumnetworks.com>
1010         PR rtl-optimization/42164
1011         * combine.c (combine_simplify_rtx): Handle truncation of integer
1012         constants.
1014 2009-12-04  Richard Guenther  <rguenther@suse.de>
1016         * lto-streamer-out.c (pack_ts_decl_common_value_fields):
1017         Revert previous change.
1018         (lto_output_ts_decl_common_tree_pointers): Stream DECL_VALUE_EXPR.
1019         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
1020         Likewise.
1022 2009-12-04  Richard Guenther  <rguenther@suse.de>
1024         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle
1025         BUILT_IN_MALLOC.
1026         (call_may_clobber_ref_p_1): Likewise.
1028 2009-12-04  Matthias Klose  <doko@ubuntu.com>
1029             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1031         PR target/40134
1032         * config.gcc (hppa*-*-linux*): Use config/t-slibgcc-libgcc.
1033         * config/pa/pa-linux.h (LIB_SPEC): Remove.
1035 2009-12-03  Sebastian Pop  <sebastian.pop@amd.com>
1036             Richard Henderson  <rth@redhat.com>
1038         * config/i386/i386-protos.h (ix86_fma4_valid_op_p): Remove.
1039         * config/i386/i386.c (ix86_fma4_valid_op_p): Remove.
1040         * config/i386/i386.md: Do not use ix86_fma4_valid_op_p.
1041         * config/i386/sse.md (fma4_*): Remove alternative with operand 1
1042         matching a memory access.  Do not use ix86_fma4_valid_op_p.
1043         (xop_*): Same.
1044         Do not use ix86_fma4_valid_op_p in FMA4 and XOP splitters.
1046 2009-12-03  Richard Henderson  <rth@redhat.com>
1048         * config/i386/i386.c (ix86_fixup_binary_operands): For FMA4, force
1049         all operands into registers.
1051 2009-12-03  Sebastian Pop  <sebastian.pop@amd.com>
1053         * config/i386/i386.c (ix86_expand_fma4_multiple_memory): Remove unused
1054         parameter.
1055         * config/i386/i386-protos.h (ix86_expand_fma4_multiple_memory): Same.
1056         * config/i386/sse.md: Same.
1058 2009-12-03  Richard Guenther  <rguenther@suse.de>
1060         * cgraphunit.c (assemble_thunk): Use DECL_ASSEMBLER_NAME
1061         instead of DECL_NAME for the entry point.
1063 2009-12-03  Richard Earnshaw  <rearnsha@arm.com>
1065         * arm/linux-atomic.c (SYNC_LOCK_RELEASE): Place memory barrier
1066         before the lock release.
1068 2009-12-03  Michael Matz  <matz@suse.de>
1070         PR middle-end/38474
1071         * cfgexpand.c (struct stack_var): Add conflicts member.
1072         (stack_vars_conflict, stack_vars_conflict_alloc,
1073         n_stack_vars_conflict): Remove.
1074         (add_stack_var): Initialize conflicts member.
1075         (triangular_index, resize_stack_vars_conflict): Remove.
1076         (add_stack_var_conflict, stack_var_conflict_p): Rewrite in
1077         terms of new member.
1078         (union_stack_vars): Only run over the conflicts.
1079         (partition_stack_vars): Remove special case.
1080         (expand_used_vars_for_block): Don't call resize_stack_vars_conflict,
1081         don't create self-conflicts.
1082         (account_used_vars_for_block): Don't create any conflicts.
1083         (fini_vars_expansion): Free bitmaps, don't free or clear removed
1084         globals.
1086 2009-12-03  Bernd Schmidt  <bernd.schmidt@analog.com>
1088         PR middle-end/42202
1089         * regrename.c (live_in_chains): New variable.
1090         (verify_reg_tracked): New static function.
1091         (scan_rtx_reg): Update live_in_chains.
1092         (scan_rtx): Only promote sets in COND_EXEC to OP_INOUT if
1093         we're already tracking the reg.
1094         (build_def_use): Likewise.  Initialize live_in_chains.
1096 2009-12-03  Ken Werner  <ken.werner@de.ibm.com>
1098         * config/spu/spu-elf.h (STARTFILE_SPEC): Add support for gprof
1099         startup files.
1100         * config/spu/spu-protos.h (spu_function_profiler): Add prototype.
1101         * config/spu/spu.c (spu_function_profiler): New function.
1102         * config/spu/spu.h (FUNCTION_PROFILER): Invoke
1103         spu_function_profiler.
1104         (NO_PROFILE_COUNTERS): Define.
1105         (PROFILE_BEFORE_PROLOGUE): Likewise.
1107 2009-12-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1109         * ggc-page.c (struct free_object): Pull definition out ...
1110         (struct globals): .. from here.
1112 2009-12-02  Richard Guenther  <rguenther@suse.de>
1114         * fold-const.c (div_if_zero_remainder): Honor that sizetypes
1115         are sign-extending.  Simplify.
1117 2009-12-02  Richard Henderson  <rth@redhat.com>
1119         PR tree-opt/42215
1120         * tree-loop-distribution.c (build_size_arg_loc): Tidy.
1121         (generate_memset_zero): Convert to sizetype properly.  Tidy.
1123 2009-12-02  Richard Guenther  <rguenther@suse.de>
1125         * lto-streamer-out.c (pack_ts_decl_common_value_fields):
1126         Do not pretend we have value exprs.
1128 2009-12-02  Richard Guenther  <rguenther@suse.de>
1130         PR middle-end/41491
1131         * fold-const.c (try_move_mult_to_index): Do not leak
1132         domain types into the IL.
1134 2009-12-02  Richard Guenther  <rguenther@suse.de>
1136         PR middle-end/42088
1137         * tree.c (free_lang_data): Disable if not using LTO.
1139 2009-12-02  Richard Guenther  <rguenther@suse.de>
1141         PR middle-end/42229
1142         * cfgloopmanip.c (remove_path): Avoid cancelling loops twice.
1144 2009-12-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1146         PR middle-end/42224
1147         * tree.h (int_or_pointer_precision): Remove.
1148         * tree.c (int_or_pointer_precision): Remove.
1149         (integer_pow2p): Use TYPE_PRECISION instead.
1150         (tree_log2): Likewise.
1151         (tree_floor_log2): Likewise.
1152         (signed_or_unsigned_type_for): Likewise.
1153         * fold-const.c (fit_double_type): Likewise.
1154         * varasm.c (initializer_constant_valid_p): Likewise.
1156 2009-12-02  Ira Rosen  <irar@il.ibm.com>
1158         * doc/invoke.texi (-fdump-tree-slp): Document.
1159         (-ftree-vectorizer-verbose): Update.
1160         (-ftree-slp-vectorize): Document.
1162 2009-12-02  Nick Clifton  <nickc@redhat.com>
1164         * config/rx/rx.c (rx_conditional_register_usage): Do not warn if
1165         no fixed registers are available for interrupt handlers.  Do not
1166         fix normal registers.
1167         (MUST_SAVE_ACC_REGISTER): New macro.
1168         (rx_get_stack_layout): Create a stack frame for fast interrupt
1169         handlers, if necessary.  Push extra registers if needed in order
1170         to save the accumulator.
1171         (rx_expand_prologue): Create a stack frame for fast interrupt
1172         handlers, if necessary.
1173         (rx_expand_builtin_mvfc): Handle the case where there is no target.
1175 2009-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1177         * config/i386/abmintrin.h (__lzcnt16): New.
1178         (__lzcnt): New.
1179         (__lzcnt64): New.
1180         * config/i386/i386-builtin-types.def (UINT16_FTYPE_UINT16): New.
1181         * config/i386/i386.c (IX86_BUILTIN_CLZS): New.
1182         (bdesc_special_args): Add __builtin_clzs.
1183         (ix86_expand_args_builtin): Handle UINT16_FTYPE_UINT16.
1185 2009-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1187         * config/i386/abmintrin.h (_mm_popcnt_u32): New.
1188         (_mm_popcnt_u64): New.
1190 2009-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1192         * config/i386/abmintrin.h: New.
1193         * config/i386/i386-c.c (ix86_target_macros_internal): Defined __ABM__.
1194         * config/i386/x86intrin.h: Include abmintrin.h when __ABM__ is defined.
1196 2009-12-01  Uros Bizjak  <ubizjak@gmail.com>
1198         * config/i386/i386.md (SWI124): Rename from CRC32MODE.
1199         (crc32modesuffix): Remove.
1200         (crc32modeconstraint): Ditto.
1201         (sse4_2_crc32<mode>): Update for renamed mode iterator.  Use
1202         imodesuffix instead of crc32modesuffix and <r>m instead of
1203         crc32modeconstraint.
1205 2009-12-01  Jakub Jelinek  <jakub@redhat.com>
1207         PR c++/42234
1208         * tree-cfgcleanup.c (cleanup_omp_return): Don't ICE if control_bb
1209         contains no statements.
1211 2009-12-01  Grigori Fursin  <grigori.fursin@inria.fr>
1212             Joern Rennecke  <amylaar@spamcop.net>
1214         * cgraphunit.c (plugin.h): Include.
1215         (ipa_passes): Invoke PLUGIN_ALL_IPA_PASSES_START /
1216         PLUGIN_ALL_IPA_PASSES_END at start / end of processing.
1217         * gcc-plugin.h (highlev-plugin-common.h, hashtab.h): Include.
1218         (enum plugin_event): Define by including plugin.def.
1219         Last enumerator is now called PLUGIN_EVENT_FIRST_DYNAMIC.
1220         (plugin_event_name): Change type to const char **.
1221         (get_event_last, get_named_event_id, unregister_callback): Declare.
1222         (register_callback): Change type of event argument to int.
1223         (highlev-plugin-common.h): New file.
1224         * Makefile.in (GCC_PLUGIN_H): Add highlev-plugin-common.h and
1225         $(HASHTAB_H)
1226         (tree-optimize.o passes.o): Depend on $(PLUGIN_H).
1227         (PLUGIN_HEADERS): Add opts.h, $(PARAMS_H) and plugin.def.
1228         (s-header-vars): New rule.
1229         (install-plugin): Depend on s-header-vars.  Install b-header-vars.
1230         * params.c (get_num_compiler_params): New function.
1231         * params.h (get_num_compiler_params): Declare.
1232         * passes.c (plugin.h): Include.
1233         (make_pass_instance): Invoke PLUGIN_NEW_PASS.
1234         (do_per_function_toporder, pass_init_dump_file): No longer static.
1235         (pass_fini_dump_file): Likewise.
1236         (execute_one_pass): Likewise.  Invoke PLUGIN_OVERRIDE_GATE and
1237         PLUGIN_PASS_EXECUTION.
1238         (execute_ipa_pass_list): Invoke PLUGIN_EARLY_GIMPLE_PASSES_START and
1239         PLUGIN_EARLY_GIMPLE_PASSES_END.
1240         * plugin.c (plugin_event_name_init): New array, defined by
1241         including plugin.def.
1242         (FMT_FOR_PLUGIN_EVENT): Update.
1243         (plugin_event_name): Change type to const char ** and initialize
1244         to plugin_event_name_init.
1245         (event_tab, event_last, event_horizon): New variable.
1246         (get_event_last): New function.
1247         (plugin_callbacks_init): New array.
1248         (plugin_callbacks: Change type to struct callback_info **.
1249         Initialize to plugin_callbacks_init.
1250         (htab_event_eq, get_named_event_id, unregister_callback): New function.
1251         (invoke_plugin_va_callbacks): Likewise.
1252         (register_callback): Change type of event argument to int.
1253         Handle new events.  Allow dynamic events.
1254         (invoke_plugin_callbacks): Likewise.  Return success status.
1255         (plugins_active_p): Allow dynamic callbacks.
1256         * plugin.def: New file.
1257         * plugin.h (invoke_plugin_callbacks): Update prototype.
1258         (invoke_plugin_va_callbacks): Declare.
1259         * tree-optimize.c (plugin.h): Include.
1260         (tree_rest_of_compilation): Invoke PLUGIN_ALL_PASSES_START and
1261         PLUGIN_ALL_PASSES_END.
1262         * tree-pass.h (execute_one_pass, pass_init_dump_file): Declare.
1263         (pass_fini_dump_file, do_per_function_toporder): Likewise.
1264         * doc/plugin.texi: Document new event types.
1266 2009-12-01  Martin Jambor  <mjambor@suse.cz>
1268         PR tree-optimization/42237
1269         * tree-sra.c (sra_ipa_modify_assign): Split gimple_reg_type assignments
1270         in between references into two.
1272 2009-12-01  Richard Guenther  <rguenther@suse.de>
1274         * tree-inline.c (copy_tree_body_r): Do not set TREE_BLOCK
1275         to the block of the call when remapping a type.
1277 2009-12-01  Martin Jambor  <mjambor@suse.cz>
1279         * cgraph.h (struct cgraph_edge): Reorder fields.  Make loop_nest
1280         unsigned short int.
1281         * ipa-prop.h (struct ipa_param_call_note): Likewise.
1282         * ipa-prop.c (ipa_note_param_call): Initialize note->loop_nest.
1284 2009-12-01  Richard Guenther  <rguenther@suse.de>
1286         * final.c (rest_of_clean_state): If -fcompare-debug is
1287         given dump final insns without UIDs.
1288         * tree-ssa-live.c (remove_unused_scope_block_p): Remove
1289         after_inlining checks.
1291 2009-11-30  Chao-ying Fu  <fu@mips.com>
1293         * config/mips/mips-dsp.md (mips_lhx_<mode>): Use sign_extend.
1295 2009-11-30  Dave Korn  <dave.korn.cygwin@gmail.com>
1297         * configure.ac (USE_CYGWIN_LIBSTDCXX_WRAPPERS): Define to reflect
1298         status of AC_CHECK_FUNC for Cygwin DLL libstdc++ support wrappers.
1299         * configure: Regenerate.
1300         * config.in: Regenerate.
1302         * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Define list of --wrap
1303         options for Cygwin DLL libstdc++ support wrappers.
1304         (CXX_WRAP_SPEC_OPT): Define spec to use wrappers or not by default
1305         according to defined value of USE_CYGWIN_LIBSTDCXX_WRAPPERS.
1306         (CXX_WRAP_SPEC): Define entire wrapper spec in or out according to
1307         whether USE_CYGWIN_LIBSTDCXX_WRAPPERS is even defined or not.
1308         (LINK_SPEC): Include CXX_WRAP_SPEC.
1309         * gcc/config/i386/winnt.c (wrapper_strcmp): New qsort helper function.
1310         (i386_find_on_wrapper_list): Check if a function is found on the list
1311         of libstdc++ wrapper options.
1312         (i386_pe_file_end): If we are importing a wrapped function, also emit
1313         an external declaration for the real version.
1314         * config/i386/cygming.opt (muse-libstdc-wrappers): New option for
1315         Cygwin targets. Update copyright year.
1317 2009-11-30  Steve Ellcey  <sje@cup.hp.com>
1318             Jakub Jelinek <jakub@redhat.com>
1320         * function.c (instantiate_virtual_regs_in_insn): Copy to new reg
1321         before forcing mode.
1323 2009-11-30  Anatoly Sokolov  <aesok@post.ru>
1325         * config/sh/sh.c (sh_promote_prototypes): Make static.
1326         (sh_function_value, sh_libcall_value, sh_function_value_regno_p): New
1327         functions.
1328         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
1329         * config/sh/sh.h (FUNCTION_VALUE_REGNO_P): Redefine, use
1330         sh_function_value_regno_p.
1331         (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
1332         * config/sh/sh-protos.h (sh_function_value_regno_p): Declare.
1333         (sh_promote_prototypes) : Remove.
1335 2009-11-30  Julian Brown  <julian@codesourcery.com>
1337         * config/arm/arm.h (PREFERRED_RELOAD_CLASS): Don't restrict Thumb-2
1338         reloads to LO_REGS.
1340 2009-11-30  Richard Henderson  <rth@redhat.com>
1342         * config/i386/i386.c (ix86_vec_interleave_v2df_operator_ok): New.
1343         (bdesc_special_args): Update insn codes.
1344         (avx_vpermilp_parallel): Correct range check.
1345         (ix86_rtx_costs): Handle vector permutation rtx codes.
1346         (struct expand_vec_perm_d): Move earlier.
1347         (get_mode_wider_vector): New.
1348         (expand_vec_perm_broadcast_1): New.
1349         (ix86_expand_vector_init_duplicate): Use it.  Tidy AVX modes.
1350         (expand_vec_perm_broadcast): New.
1351         (ix86_expand_vec_perm_builtin_1): Use it.
1352         * config/i386/i386-protos.h: Update.
1353         * config/i386/predicates.md (avx_vbroadcast_operand): New.
1354         * config/i386/sse.md (AVX256MODE24P): New.
1355         (ssescalarmodesuffix2s): New.
1356         (avxhalfvecmode, avxscalarmode): Fill out to all modes.
1357         (avxmodesuffixf2c): Add V8SI, V4DI.
1358         (vec_dupv4sf): New expander.
1359         (*vec_dupv4sf_avx): Add vbroadcastss alternative.
1360         (*vec_set<mode>_0_avx, **vec_set<mode>_0_sse4_1): Macro-ize for
1361         V4SF and V4SI.  Move C alternatives to front.  Add insertps and
1362         pinsrd alternatives.
1363         (*vec_set<mode>_0_sse2): Split out from ...
1364         (vec_set<mode>_0): Macro-ize for V4SF and V4SI.
1365         (vec_interleave_highv2df, vec_interleave_lowv2df): Require register
1366         destination; use ix86_vec_interleave_v2df_operator_ok, instead of
1367         ix86_fixup_binary_operands.
1368         (*avx_interleave_highv2df, avx_interleave_lowv2df): Add movddup.
1369         (*sse3_interleave_highv2df, sse3_interleave_lowv2df): New.
1370         (*avx_movddup, *sse3_movddup): Remove.  New splitter from
1371         vec_select form to vec_duplicate form.
1372         (*sse2_interleave_highv2df, sse2_interleave_lowv2df): Use
1373         ix86_vec_interleave_v2df_operator_ok.
1374         (avx_movddup256, avx_unpcklpd256): Change to expanders, merge into ...
1375         (*avx_unpcklpd256): ... here.
1376         (*vec_dupv4si_avx): New.
1377         (*vec_dupv2di_avx): Add movddup alternative.
1378         (*vec_dupv2di_sse3): New.
1379         (vec_dup<AVX256MODE24P>): Replace avx_vbroadcasts<AVXMODEF4P> and
1380         avx_vbroadcastss256; represent with vec_duplicate instead of
1381         nested vec_concat operations.
1382         (avx_vbroadcastf128_<mode>): Rename from
1383         avx_vbroadcastf128_p<avxmodesuffixf2c>256.
1384         (*avx_vperm_broadcast_v4sf): New.
1385         (*avx_vperm_broadcast_<AVX256MODEF2P>): New.
1387 2009-11-30  Martin Jambor  <mjambor@suse.cz>
1389         PR middle-end/42196
1390         * tree-sra.c (struct access): New field grp_different_types.
1391         (dump_access): Dump grp_different_types.
1392         (compare_access_positions): Prefer scalars and vectors over other
1393         scalar types.
1394         (sort_and_splice_var_accesses): Set grp_different_types if appropriate.
1395         (sra_modify_expr): Use the original also when dealing with a complex
1396          or vector group accessed as multiple types.
1398 2009-11-30  Richard Henderson  <rth@redhat.com>
1400         * config/i386/i386.c (avx_vperm2f128_parallel): New.
1401         * config/i386/i386-protos.h: Declare it.
1402         * config/i386/predicates.md (avx_vperm2f128_v8sf_operand,
1403         avx_vperm2f128_v8si_operand, avx_vperm2f128_v4df_operand): New.
1404         * config/i386/sse.md (avx_vperm2f128<mode>3): Change to expander.
1405         (*avx_vperm2f128<mode>_full): Renamed from avx_vperm2f128<mode>3.
1406         (*avx_vperm2f128<mode>_nozero): New.
1408 2009-11-30  Richard Henderson  <rth@redhat.com>
1410         * config/i386/i386-builtin-types.def (V4DF_FTYPE_V4DF_V4DF_V4DI): New.
1411         (V8SF_FTYPE_V8SF_V8SF_V8SI): New.
1412         * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Support
1413         V4DF and V8SF for AVX; relax constraint on V4SF to SSE1 from SSE2.
1414         (IX86_BUILTIN_VEC_PERM_V4DF, IX86_BUILTIN_VEC_PERM_V8SF): New.
1415         (bdesc_args): Add them.
1416         (ix86_expand_builtin): Expand them.
1417         (expand_vec_perm_pshufb2): Only operate on 16-byte vectors.
1419 2009-11-30  Martin Jambor  <mjambor@suse.cz>
1421         PR middle-end/42206
1422         * ipa-prop.c (ipa_write_node_info): Initialize note_count to zero.
1424 2009-11-30  Jakub Jelinek  <jakub@redhat.com>
1426         * ipa-reference.c (propagate): Only dump bitmaps if computed.
1428 2009-11-30  Olga Golovanevsky  <olga@il.ibm.com>
1430         PR middle-end/39806
1431         * ipa-struct-reorg.c (new_var_eq): Use DECL_UID to hash new variables.
1432         (new_var_hash): Likewise.
1433         (is_in_new_vars_htab): Likewise.
1434         (add_to_new_vars_htab): Likewise.
1436 2009-11-30  Ira Rosen  <irar@il.ibm.com>
1438         * tree-vect-stmts.c (vectorizable_assignment): Support
1439         multiple types.
1441 2009-11-30  Richard Guenther  <rguenther@suse.de>
1443         * doc/contrib.texi (Contributors): Add myself.
1445 2009-11-30  Richard Guenther  <rguenther@suse.de>
1447         * tree.c (free_lang_data): Do not set debug_info_level to
1448         none if terse.
1450 2009-11-30  Richard Guenther  <rguenther@suse.de>
1452         PR middle-end/42119
1453         PR fortran/38530
1454         * expr.c (expand_expr_addr_expr_1): Properly expand the initializer
1455         of CONST_DECLs.
1457 2009-11-30  Richard Guenther  <rguenther@suse.de>
1459         * tree-into-ssa.c (insert_phi_nodes): Add PHI nodes in
1460         variable UID order.
1462 2009-11-30  Richard Guenther  <rguenther@suse.de>
1464         * tree-dump.c (dump_option_value_in): Add TDF_NOUID.
1465         * tree-pass.h (TDF_NOUID): Likewise.
1466         * print-rtl.c: Include tree-pass.h.
1467         (print_mem_expr): Pass dump_flags.
1468         (print_rtx): Likewise.
1469         * print-tree.c: Include tree-pass.h.
1470         (print_node_brief): Handle TDF_NOUID.
1471         (print_node): Likewise.
1472         * tree-pretty-print.c (dump_decl_name): Likewise.
1473         (dump_generic_node): Likewise.
1474         * Makefile.in (print-rtl.o, print-tree.o): Add $(TREE_PASS_H)
1475         dependency.
1477 2009-11-30  Nick Clifton  <nickc@redhat.com>
1479         * config/stormy16/stormy16-lib2-count-leading-zeros.c: Delete.
1480         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Remove
1481         stormy16-lib2-count-leading-zeros.c.
1482         * config/stormy16/stormy16-lib2.c (__clzhi2): Move code from
1483         __stormy16_count_leading_zeros() into this function.
1484         (__ctzhi2): Use __builtin_clz.
1485         (__ffshi2): Likewise.
1487 2009-11-30  Eric Botcazou  <ebotcazou@adacore.com>
1489         * config/sparc/sparc.c (DF_MODES): Simplify.
1490         (TF_ONLY_MODES, OF_ONLY_MODES): Delete.
1491         (TF_MODES, OF_MODES): Adjust for above change.
1492         (TF_MODES_NO_S, OF_MODES_NO_S): Likewise.
1493         *  config/sparc/sparc.h (REGNO_REG_CLASS): Move around.
1495 2009-11-30  Paolo Bonzini  <bonzini@gnu.org>
1497         PR rtl-optimization/41812
1498         * fwprop.c (local_md, local_lr): New globals.
1499         (process_defs, process_uses): Remove local_md argument.  Never
1500         consider dead pseudos to have singleton def-use chains.
1501         (single_def_use_enter_block): Perform LR simulation.
1502         (build_single_def_use_links): Remove local_md local variable.
1503         Add DF_NOTE.  Allocate local_lr.
1504         (fwprop_done): Do not remove DF_CHAIN, we do not use it anymore.
1505         * df-problems.c (df_md_scratch): New.
1506         (df_md_alloc, df_md_free): Allocate/free it.
1507         (df_md_local_compute): Only include live registers in init.
1508         (df_md_transfer_function): Prune the in-set computed by
1509         the confluence function, and the gen-set too.
1511 2009-11-30  Hans-Peter Nilsson  <hp@axis.com>
1513         PR rtl-optimization/40086
1514         * reorg.c (relax_delay_slots): When looking for redundant insn at
1515         the branch target, use next_real_insn, not next_active_insn.
1517 2009-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1519         * doc/install.texi: Update minimum MPC version to 0.8.
1521 2009-09-09  Segher Boessenkool  <segher@kernel.crashing.org>
1523         * config/rs6000/rs6000.md (fnmaddsf4_powerpc_1): Remove
1524         HONOR_SIGNED_ZEROS final condition.
1525         (fnmsubsf4_powerpc_1): Same.
1526         (fnmadddf4_fpr_1): Same.
1527         (fnmsubdf4_fpr_1): Same.
1529 2009-11-29  Ira Rosen  <irar@il.ibm.com>
1531         PR tree-optimization/42193
1532         * tree-vect-stmts.c (vectorizable_operation): Set vectorization factor
1533         to 1 in case of basic block SLP.
1534         (vectorizable_load): Likewise.
1536 2009-11-28  Jan Hubicka  <jh@suse.cz>
1538         * cgraph.c (same_body_alias_1): Break out of
1539         (same_body_alias): ... here; remove comdat check; it is handled
1540         in cp already.
1541         (cgraph_add_thunk): New.
1542         (dump_cgraph_node): Dump aliases and thunks.
1543         * cgraph.h (cgraph_thunk_info): New structure.
1544         (struct cgraph_node): Add thunk info.
1545         (cgraph_add_thunk): New.
1546         * cgraphunit.c (cgraph_emit_thunks): Remove.
1547         (cgraph_finalize_compilation_unit): Do not call cgraph_emit_thunks.
1548         (assemble_thunk): New function.
1549         (cgraph_expand_function): Handle thunks.
1550         (thunk_adjust): New.
1551         (init_lowered_empty_function): New.
1552         * cp-objcp-common.h (LANG_HOOKS_CALLGRAPH_EMIT_ASSOCIATED_THUNKS):
1553         Remove.
1554         * lto-cgraph.c (lto_output_node): Stream thunk info.
1555         (input_node): Likewise.
1556         * langhooks.h (lang_hooks_for_callgraph): Remove emit_associated_thunks.
1557         * langhooks-def.h (LANG_HOOKS_CALLGRAPH_EMIT_ASSOCIATED_THUNKS): Remove.
1558         (LANG_HOOKS_CALLGRAPH_INITIALIZER): Update.
1559         * i386.c (x86_output_mi_thunk): Make output prettier.
1561 2009-11-28  Richard Guenther  <rguenther@suse.de>
1563         PR tree-optimization/42183
1564         * tree-nrv.c (tree_nrv): Bail out if the RESULT_DECL has its
1565         address taken.  Merge the addressable state of the NRV
1566         variable and the result instead of copying it.
1568 2009-11-28  Jakub Jelinek  <jakub@redhat.com>
1570         * matrix-reorg.c (analyze_matrix_allocation_site): Remove unused
1571         malloc_fname variable.
1572         (check_allocation_function): Remove unused gsi and bb_level_0
1573         variables.
1574         (transform_access_sites): Remove unused d_type_size and d_type_size_k
1575         variables.
1576         * omega.c (resurrect_subs): Remove unused n variable.
1577         (omega_solve_geq): Remove unused neweqns variable.
1578         * lto-streamer-in.c (lto_read_tree): Remove unused end_marker variable.
1579         * tree-inline.c (declare_return_variable): Remove USE_P argument,
1580         return use instead of var.
1581         (remap_decl, remap_block): Remove unused fn variable.
1582         (expand_call_inline): Remove unused retvar variable, adjust
1583         declare_return_variable caller.
1584         (optimize_inline_calls): Remove unused prev_fn variable.
1585         * tree-vect-slp.c (vect_analyze_slp_instance): Remove unused ncopies
1586         variable.
1587         (vect_create_mask_and_perm): Remove unused group_size and dr_chain_size
1588         variables.
1589         * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle MINUS_EXPR
1590         properly.
1591         * tree-vect-loop.c (vect_analyze_loop_form): Remove unused backedge
1592         variable.
1593         (vect_create_epilog_for_reduction): Remove unused bytesize variable.
1594         * omp-low.c (workshare_safe_to_combine_p): Remove par_entry_bb
1595         parameter.  Remove unused par_stmt variable.
1596         (determine_parallel_type): Adjust workshare_safe_to_combine_p caller.
1597         (expand_omp_sections): Remove unused l1 variable.
1598         (lower_omp_for): Remove unused ilist variable.
1599         * tree-loop-distribution.c (mark_nodes_having_upstream_mem_writes):
1600         Remove unused has_upstream_mem_write_p variable.
1601         * recog.c (decode_asm_operands): Remove unused noperands variable.
1602         * tree-ssa-alias.c (refs_may_alias_p_1): Remove unused size1 and
1603         size2 variable.
1604         * libgcov.c (__gcov_merge_delta): Remove unused last variable.
1605         * tree-call-cdce.c (gen_conditions_for_pow_int_base): Remove unused
1606         base_nm variable.
1607         (gen_conditions_for_pow): Remove unused ec variable.
1608         * tree-ssa-sccvn.c (vn_reference_lookup_3): Remove unused size
1609         variable.
1610         * ipa-struct-reorg.c (program_redefines_malloc_p): Remove unused
1611         fndecl variable.
1612         * tree-ssa-sink.c (statement_sink_location): Remove unused code
1613         variable.
1614         * regmove.c (copy_src_to_dest): Remove unused insn_uid and move_uid
1615         variables.
1616         * tree-complex.c (create_one_component_var): Remove unused inner_type
1617         variable.
1618         * calls.c (emit_call_1): Don't GEN_INT (struct_value_size)
1619         unnecessarily when GEN_*CALL omits that argument.
1620         * regrename.c (regrename_optimize): Remove unused regs_seen variable.
1621         (build_def_use): Remove unused icode variable.
1622         * ipa-pure-const.c (check_call): Remove unused callee and avail
1623         variables.
1624         * tree-dfa.c (add_referenced_var): Remove unused v_ann variable.
1625         * tree-vect-patterns.c (vect_recog_pow_pattern): Remove unused type
1626         variable.
1627         (vect_pattern_recog): Remove unused stmt variable.
1628         * sel-sched-ir.c (make_regions_from_the_rest): Remove unused
1629         new_regions variable.
1630         * postreload.c (reload_cse_simplify_operands): Remove unused mode
1631         variable.
1632         * tree-parloops.c (create_call_for_reduction_1): Remove unused
1633         addr_type variable.
1634         (create_parallel_loop): Remove unused res variable.
1635         (gen_parallel_loop): Remove unused nloop variable.
1636         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
1637         * value-prof.c (gimple_mod_subtract_transform,
1638         gimple_stringops_transform): Remove unused value variable.
1639         (gimple_stringops_values_to_profile): Remove unused fcode variable.
1640         * tree-vrp.c (register_new_assert_for): Remove unused found variable.
1641         (vrp_visit_switch_stmt): Remove unused n variable.
1642         * tree-vect-stmts.c (vectorizable_conversion): Remove unused expr
1643         variable.
1644         (vectorizable_operation): Remove unused shift_p variable.
1645         (vectorizable_store): Remove unused first_stmt_vinfo variable.
1646         * tree-ssa-operands.c (add_stmt_operand): Remove unused v_ann variable.
1647         * tree-vect-data-refs.c (vect_analyze_data_refs): Remove unused bb
1648         variable.
1649         (vect_permute_store_chain): Remove unused scalar_dest variable.
1650         (vect_supportable_dr_alignment): Remove unused invariant_in_outerloop
1651         variable.
1652         * tree-ssa-threadupdate.c (thread_single_edge): Remove unused
1653         local_info variable.
1654         * tree-optimize.c (tree_rest_of_compilation): Remove unused node
1655         variable.
1656         * optabs.c (expand_binop): Remove unused equiv_value variable.
1657         (emit_libcall_block): Remove unused prev variable.
1658         (init_optabs): Remove unused int_mode variable.
1659         * tree-ssa-structalias.c (scc_visit): Remove unused have_ref_node
1660         variable.
1661         (do_structure_copy): Remove unused lhsbase and rhsbase variables.
1662         (find_func_aliases): Remove unused rhstype variable.
1663         (ipa_pta_execute): Remove unused varid variable.
1665 2009-11-28  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
1667         * config/avr/avr.h (ASM_OUTPUT_EXTERNAL): Add.
1669 2009-11-28  David Binderman  <dcb314@hotmail.com>
1671         * ira-color.c (put_allocno_into_bucket): Remove set but not used
1672         local variable hard_regs_num.
1673         * ira-lives.c (process_single_reg_class_operands): Remove cover_class.
1674         * loop-unswitch.c (unswitch_loop): Remove zero_bitmap.
1675         * lower-subreg.c (decompose_multiword_subregs): Remove next.
1677 2009-11-27  Martin Jambor  <mjambor@suse.cz>
1679         PR middle-end/42006
1680         * tree-sra.c (get_replaced_param_substitute): Call create_tmp_var
1681         instead of create_tmp_var.  Set DECL_GIMPLE_REG_P to one manually
1682         for vector and complex types.
1683         (get_adjustment_for_base): Describe return value in the comment.
1685 2009-11-27  Nick Clifton  <nickc@redhat.com>
1687         * longlong.h (count_leading_zeros): Define macro for stormy16 target.
1688         (COUNT_LEADING_ZEROS_0): Likewise.
1689         * config/stormy16/stormy16-lib2.c: Arrange for separate
1690         compilation of each function.
1691         (__ffshi2): New function.
1692         (__stormy16_count_leading_zeros): New function.
1693         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Use stub files to
1694         compile each function into its own object file.
1695         (stormy16-lib2-ashlsi3.c): New stub file.
1696         (stormy16-lib2-ashrsi3.c): New stub file.
1697         (stormy16-lib2-clzhi2.c): New stub file.
1698         (stormy16-lib2-count-leading-zeros.c): New stub file.
1699         (stormy16-lib2-ctzhi2.c): New stub file.
1700         (stormy16-lib2-divsi3.c): New stub file.
1701         (stormy16-lib2-ffshi2.c): New stub file.
1702         (stormy16-lib2-lshrsi3.c): New stub file.
1703         (stormy16-lib2-modsi3.c): New stub file.
1704         (stormy16-lib2-parityhi2.c): New stub file.
1705         (stormy16-lib2-popcounthi2.c): New stub file.
1706         (stormy16-lib2-udivmodsi4.c): New stub file.
1707         (stormy16-lib2-udivsi3.c): New stub file.
1708         (stormy16-lib2-umodsi3.c): New stub file.
1710 2009-11-27  Richard Henderson  <rth@redhat.com>
1712         * config/i386/sse.md (vec_interleave_highv16qi,
1713         vec_interleave_lowv16qi, vec_interleave_highv8hi,
1714         vec_interleave_lowv8hi, vec_interleave_highv4si,
1715         vec_interleave_lowv4si, vec_interleave_highv2di,
1716         vec_interleave_lowv2di, vec_interleave_highv4sf,
1717         vec_interleave_lowv4sf, vec_interleave_highv2df,
1718         vec_interleave_lowv2df): Remove expanders.
1719         (sse_unpcklps, sse_unpckhps, sse2_unpckhpd_exp, sse2_unpcklpd_exp,
1720         sse2_punpckhqdq, sse2_punpcklqdq, sse2_punpckhbw, sse2_punpcklbw,
1721         sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq):
1722         Rename to their proper vec_interleave equivalent.  Update all users
1723         to the new name.
1724         * config/i386/i386.c, config/i386/i386.md: Update all users.
1726 2009-11-27  Michael Matz  <matz@suse.de>
1728         PR rtl-optimization/42084
1729         * cfgexpand.c (maybe_cleanup_end_of_block): Add new parameter,
1730         use it to stop walking.
1731         (expand_gimple_cond): Adjust call to above.
1733 2009-11-27  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1735         PR target/41810
1736         * gthr-solaris.h (__gthread_mutex_destroy): Remove UNUSED.
1737         [SUPPORTS_WEAK && GTHREAD_USE_WEAK] (__gthread_active_p): Use
1738         __extension__ to allow cast from function pointer to object
1739         pointer in C++.
1740         * doc/install.texi (--enable-threads): Clarify use of Solaris threads.
1742 2009-11-27  Steven Bosscher  <steven@gcc.gnu.org>
1744         * config/ia64/itanium1.md: Remove.
1745         * config/ia64/ia64.md: Do not include it.
1746         * config/ia64/ia64.c (ia64_handle_option): Remove "itanium",
1747         "itanium1", and "merced" from the processor alias table.
1748         (clocks, add_cycles): Remove global variables.
1749         (ia64_sched_reorder2): Don't set/use them.
1750         (ia64_dfa_new_cycle, ia64_h_i_d_extended, ia64_reorg): Likewise.
1751         (bundling): Likewise. Remove extra pass for MMMUL/MMSHF.
1753 2009-11-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1755         * config/s390/s390.c (last_scheduled_insn): New variable.
1756         (s390_fpload_toreg, s390_z10_prevent_earlyload_conflicts): New
1757         functions.
1758         (s390_sched_reorder, s390_sched_variable_issue): New functions.
1759         (TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_REORDER): Target hooks
1760         defined.
1762 2009-11-27  Michael Matz  <matz@suse.de>
1764         PR c++/41906
1765         * tree-eh.c (lower_catch): Stop after expanding a catch-all.
1767 2009-11-27  Richard Guenther  <rguenther@suse.de>
1769         * timevar.def (TV_LOOP_MOVE_INVARIANTS, TV_LOOP_UNSWITCH,
1770         TV_LOOP_UNROLL, TV_LOOP_DOLOOP): New timevars.
1771         * loop-init.c (pass_rtl_move_loop_invariants): Use
1772         TV_LOOP_MOVE_INVARIANTS.
1773         (pass_rtl_unswitch): Use TV_LOOP_UNSWITCH.
1774         (pass_rtl_unroll_and_peel): Use TV_LOOP_UNROLL.
1775         (pass_rtl_doloop): Use TV_LOOP_DOLOOP.
1777 2009-11-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1779         * emit-rtl.c (next_active_insn, prev_active_insn): Correct comment.
1781 2009-11-27  Jakub Jelinek  <jakub@redhat.com>
1783         * config/i386/i386.c (ix86_emit_restore_sse_regs_using_mov): Remove
1784         unused insn variable.
1785         * genemit.c (output_peephole2_scratches): Only declare and initialize
1786         _regs_allocated if it will be ever used.
1787         * cfgloopmanip.c (create_empty_if_region_on_edge): Remove unused
1788         succ_bb variable.
1789         (create_empty_loop_on_edge): Remove unused freq and cnt variables.
1790         * unwind-c.c (PERSONALITY_FUNCTION): Remove unused action_record
1791         variable.
1793         * opts.c (decode_options): If optimize is bigger than 255,
1794         set it to 255.
1796 2009-11-26  Richard Henderson  <rth@redhat.com>
1798         * config/i386/sse.md (mulv16qi3): Change back from an expander
1799         to an insn-and-split.
1800         (mulv4si): Mention AVX not XOP for AVX exception.
1801         (*sse2_mulv4si3): Likewise.
1802         (mulv2di3): Use vmulld not vpmacsdd for XOP expansion.  Tidy.
1804 2009-11-26  Bernd Schmidt  <bernd.schmidt@analog.com>
1806         * cfgexpand (n_stack_vars_conflict): New static variable.
1807         (triangular_index): Reduce likelyhood of overflow by performing
1808         the division before the multiplication.
1809         (resize_stack_vars_conflict): Call fatal_error if overflow
1810         occurred in triangular_index.  Update n_stack_vars_conflict.
1812         PR rtl-opt/38582
1813         * regrename.c (struct du_chain): Remove member earlyclobber.
1814         (scan_rtx_reg): Don't set it.  Remove argument earlyclobber,
1815         all callers changed.
1816         (scan_rtx): Remove argument earlyclobber, all callers changed.
1817         (hide_operands, restore_operands, record_out_operands): New functions,
1818         broken out of build_def_use.
1819         (build_def_use): Call them as necessary.
1821         * regrename.c (struct du_head): New members id, conflicts,
1822         hard_conflicts and cannot_rename.
1823         (enum scan_actions): Remove terminate_all_read and
1824         terminate_overlapping_read; add mark_all_read.
1825         (scan_actions_name): Likewise.
1826         (du_head_p): New typedef.  Define a vector type for it.
1827         (id_to_chain): New static variable.
1828         (note_sets, clear_dead_regs): Delete functions.
1829         (free_chain_data): New function.
1830         (merge_overlapping_regs): Simply walk the conflicts bitmap.
1831         Remove argument B, all callers changed.
1832         (regrename_optimize): Allocate id_to_chain.  Ignore chains that have
1833         the cannot_rename bit set.  Update regno and nregs of a renamed chain.
1834         Call free_chain_data when done.
1835         (do_replace): Remove death notes when the renamed reg is set in the
1836         last insn; add them if not.
1837         (mark_conflict, note_sets_clobbers): New static function.
1838         (fail_current_block, current_id, open_chains_set, live_hard_regs): New
1839         static variables.
1840         (scan_rtx_reg): Keep track of conflicts between chains, and between
1841         chains and hard regs.  Don't terminate chains when we find a read we
1842         can't handle, mark it unrenameable instead.  For terminate_write,
1843         terminate chains that are written with an exact match or a superset
1844         of registers.  Set fail_current_block if multi-word lifetimes are too
1845         complex to handle.
1846         (scan_rtx_address): Use mark_all_read instead of terminate_all_read.
1847         (build_def_use): Initialize current_id, live_chains and live_hard_regs;
1848         free memory for them when done.
1849         Rearrange the steps so that earlyclobbers are noted before reads
1850         are processed.  Add new steps to keep track of hard register lifetimes
1851         outside insn operands.
1853 2009-11-26  Richard Guenther  <rguenther@suse.de>
1855         * tree-ssa-dce.c (nr_walks): New variable.
1856         (mark_aliased_reaching_defs_necessary): Adjust oracle cut-off.
1857         (perform_tree_ssa_dce): Init nr_walks.
1859 2009-11-26  Michael Matz  <matz@suse.de>
1861         PR tree-optimization/41905
1862         * tree-eh.c (lower_eh_constructs_2): Don't add assignments
1863         below statements that can't fall thru.
1865 2009-11-26  Michael Matz  <matz@suse.de>
1867         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1868         expand_builtin_sprintf): Remove.
1869         (expand_builtin): Don't call them.
1871 2009-11-26  Richard Guenther  <rguenther@suse.de>
1873         * tree-ssa-dce.c (perform_tree_ssa_dce): Allocate visited bitmap.
1875 2009-11-26  Nick Clifton  <nickc@redhat.com>
1877         * config/rx/rx.c (rx_expand_epilogue): Add checks for sibcalls
1878         being used incorrectly.
1879         (rx_function_ok_for_sibcall): New function.  Do not allow indirect
1880         sibcalls, or sibcalls from interrupt functions.
1881         (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
1882         * config/rx/rx.md (sibcall): Convert to a define_expand.  Check
1883         for a MEM inside a MEM.
1884         (sibcall_value): Likewise.
1885         (sibcall_internal): New pattern containing old sibcall pattern.
1886         (sibcall_value_internal): Likewise.
1888 2009-11-25  Richard Henderson  <rth@redhat.com>
1890         * config/i386/i386-builtin-types.awk (DEF_VECTOR_TYPE): Allow an
1891         optional 3rd argument to define the mode.
1892         * config/i386/i386-builtin-types.def (UQI, UHI, USI, UDI): New.
1893         (V2UDI, V4USI, V8UHI, V16UQI): New.
1894         (V4SF_FTYPE_V4SF_V4SF_V4SI, V2UDI_FTYPE_V2UDI_V2UDI_V2UDI,
1895         V4USI_FTYPE_V4USI_V4USI_V4USI, V8UHI_FTYPE_V8UHI_V8UHI_V8UHI,
1896         V16UQI_FTYPE_V16UQI_V16UQI_V16UQI): New.
1897         * config/i386/i386-modes.def: Rearrange for double-wide AVX.
1898         * config/i386/i386-protos.h (ix86_expand_vec_extract_even_odd): New.
1899         * config/i386/i386.c (IX86_BUILTIN_VEC_PERM_*): New.
1900         (bdesc_args): Add the builtin definitions to match.
1901         (ix86_expand_builtin): Expand them.
1902         (ix86_builtin_vectorization_cost): Rename from
1903         x86_builtin_vectorization_cost.
1904         (ix86_vectorize_builtin_vec_perm, struct expand_vec_perm_d,
1905         doublesize_vector_mode, expand_vselect, expand_vselect_vconcat,
1906         expand_vec_perm_blend, expand_vec_perm_vpermil,
1907         expand_vec_perm_pshufb, expand_vec_perm_1,
1908         expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_palignr,
1909         expand_vec_perm_interleave2, expand_vec_perm_pshufb2,
1910         expand_vec_perm_even_odd_1, expand_vec_perm_even_odd,
1911         ix86_expand_vec_perm_builtin_1, extract_vec_perm_cst,
1912         ix86_expand_vec_perm_builtin, ix86_vectorize_builtin_vec_perm_ok,
1913         ix86_expand_vec_extract_even_odd, TARGET_VECTORIZE_BUILTIN_VEC_PERM,
1914         TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): New.
1915         * sse.md (SSEMODE_EO): New.
1916         (vec_extract_even<mode>): Use SSEMODE_EO and
1917         ix86_expand_vec_extract_even_odd.
1918         (vec_extract_odd<mode>): Likewise.
1919         (mulv16qi3, vec_pack_trunc_v8hi, vec_pack_trunc_v4si,
1920         vec_pack_trunc_v2di): Use ix86_expand_vec_extract_even_odd.
1922 2009-11-25  Richard Henderson  <rth@redhat.com>
1924         * target.h (targetm.vectorize.builtin_vec_perm_ok): New.
1925         * target-def.h (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): New.
1926         * hooks.h, hooks.c (hook_bool_tree_tree_true): New.
1927         * tree-vect-slp.c (vect_create_mask_and_perm): Don't create
1928         the vector constant here...
1929         (vect_transform_slp_perm_load): ... do it here instead.  Validate
1930         that the permutation vector is implementable by the target.
1932 2009-11-25  Jakub Jelinek  <jakub@redhat.com>
1934         * config/rs6000/sysv4.opt (mregnames): Change Var to rs6000_regnames.
1935         * config/rs6000/sysv4.h (TARGET_REGNAMES): Define.
1937         * print-rtl.c (print_rtx): When printing newline, append
1938         print_rtx_head and indentation after the newline.
1940         PR target/42165
1941         * config/i386/i386.c (print_operand): For 32-byte memory use
1942         YMMWORD in -masm=intel mode.  Use TBYTE instead of XWORD.
1943         * config/i386/i386.md (crc32modesuffix): Expand to nothing
1944         in -masm=intel mode.
1945         (sse4_2_crc32di): Print just crc32 instead of crc32q in
1946         -masm=intel mode.
1947         * config/i386/mmx.md (*mmx_pinsrw): Print correct size of
1948         memory operand in -masm=intel mode.
1949         * config/i386/sse.md (*avx_pinsr<ssevecsize>, *sse4_1_pinsrb,
1950         *sse2_pinsrw): Likewise.
1951         (sse_cvtss2siq, sse_cvtss2siq_2, sse_cvttss2siq): Don't print
1952         q suffix in -masm=intel mode.
1954 2009-11-25  Eric Botcazou  <ebotcazou@adacore.com>
1956         PR target/10127
1957         PR ada/20548
1958         PR middle-end/42004
1959         * dwarf2out.c (dwarf2out_args_size_adjust): Rename to...
1960         (dwarf2out_stack_adjust): ...this.  Do not adjust the arg size for
1961         ACCUMULATE_OUTGOING_ARGS targets.  Rename former version to...
1962         (dwarf2out_notice_stack_adjust): ...this.  Adjust for above renaming.
1963         (dwarf2out_frame_debug_expr): Revert previous change and adjust for
1964         above renaming.
1965         (dwarf2out_frame_debug): Add ??? comment.  Adjust for above renaming.
1967 2009-11-25  Uros Bizjak  <ubizjak@gmail.com>
1969         * config/i386/predicates.md (emms_operation): New predicate.
1970         (vzeroupper_operation): Ditto.
1971         (vzeroall_operation): Improve pattern recognition.
1972         * config/i386/sse.md (avx_vzeroupper_rex64): Remove insn pattern.
1973         (avx_vzeroupper): Change insn pattern to expander.
1974         (*avx_vzeroupper): New insn pattern.  Use vzeroupper_operation
1975         predicate.
1976         (*avx_vzeroall): Remove operands 1 and 2.
1977         * config/i386/mmx.md (mmx_emms): Change insn pattern to expander.
1978         (mmx_femms): Ditto.
1979         (*mmx_emms): New insn pattern.  Use emms_operation predicate.
1980         (*mmx_femms): Ditto.
1981         * config/i386/i386.c (enum ix86_builtins)
1982         <IX86_BUILTIN_VZEROUPPER_REX64>: Remove.
1983         (struct builtin_description) <CODE_FOR_avx_vzeroupper_rex64>:
1984         Remove initailization.
1985         <CODE_FOR_avx_vzeroupper>: Unconditionally initialize here.
1987 2009-11-25  Paul Brook  <paul@codesourcery.com>
1989         * config/arm/arm.md (consttable_4): Handle (high ...).
1991 2009-11-25  Robert Nelson  <robert.nelson@digikey.com>
1992             Richard Earnshaw  <rearnsha@arm.com>
1994         * arm.h (enum vfp_reg_type): Add VFP_NONE.
1995         * arm.c (all_fpus): Use it for floating point units that aren't based
1996         on the VFP architecture.
1997         (aapcs_vfp_is_call_or_return_candidate): Make base_mode a pointer to
1998         enum machine_mode.
2000 2009-11-25  H.J. Lu  <hongjiu.lu@intel.com>
2002         * alias.c: Remove trailing white spaces.
2003         * alloc-pool.c: Likewise.
2004         * alloc-pool.h: Likewise.
2005         * attribs.c: Likewise.
2006         * auto-inc-dec.c: Likewise.
2007         * basic-block.h: Likewise.
2008         * bb-reorder.c: Likewise.
2009         * bt-load.c: Likewise.
2010         * builtins.c: Likewise.
2011         * builtins.def: Likewise.
2012         * c-common.c: Likewise.
2013         * c-common.h: Likewise.
2014         * c-cppbuiltin.c: Likewise.
2015         * c-decl.c: Likewise.
2016         * c-format.c: Likewise.
2017         * c-lex.c: Likewise.
2018         * c-omp.c: Likewise.
2019         * c-opts.c: Likewise.
2020         * c-parser.c: Likewise.
2021         * c-pretty-print.c: Likewise.
2022         * c-tree.h: Likewise.
2023         * c-typeck.c: Likewise.
2024         * caller-save.c: Likewise.
2025         * calls.c: Likewise.
2026         * cfg.c: Likewise.
2027         * cfganal.c: Likewise.
2028         * cfgexpand.c: Likewise.
2029         * cfghooks.c: Likewise.
2030         * cfghooks.h: Likewise.
2031         * cfglayout.c: Likewise.
2032         * cfgloop.c: Likewise.
2033         * cfgloop.h: Likewise.
2034         * cfgloopmanip.c: Likewise.
2035         * cfgrtl.c: Likewise.
2036         * cgraph.c: Likewise.
2037         * cgraph.h: Likewise.
2038         * cgraphbuild.c: Likewise.
2039         * cgraphunit.c: Likewise.
2040         * cif-code.def: Likewise.
2041         * collect2.c: Likewise.
2042         * combine.c: Likewise.
2043         * convert.c: Likewise.
2044         * coverage.c: Likewise.
2045         * crtstuff.c: Likewise.
2046         * cse.c: Likewise.
2047         * cselib.c: Likewise.
2048         * dbgcnt.c: Likewise.
2049         * dbgcnt.def: Likewise.
2050         * dbgcnt.h: Likewise.
2051         * dbxout.c: Likewise.
2052         * dce.c: Likewise.
2053         * ddg.c: Likewise.
2054         * ddg.h: Likewise.
2055         * defaults.h: Likewise.
2056         * df-byte-scan.c: Likewise.
2057         * df-core.c: Likewise.
2058         * df-problems.c: Likewise.
2059         * df-scan.c: Likewise.
2060         * df.h: Likewise.
2061         * dfp.c: Likewise.
2062         * diagnostic.c: Likewise.
2063         * diagnostic.h: Likewise.
2064         * dominance.c: Likewise.
2065         * domwalk.c: Likewise.
2066         * double-int.c: Likewise.
2067         * double-int.h: Likewise.
2068         * dse.c: Likewise.
2069         * dwarf2asm.c: Likewise.
2070         * dwarf2asm.h: Likewise.
2071         * dwarf2out.c: Likewise.
2072         * ebitmap.c: Likewise.
2073         * ebitmap.h: Likewise.
2074         * emit-rtl.c: Likewise.
2075         * et-forest.c: Likewise.
2076         * except.c: Likewise.
2077         * except.h: Likewise.
2078         * expmed.c: Likewise.
2079         * expr.c: Likewise.
2080         * expr.h: Likewise.
2081         * final.c: Likewise.
2082         * flags.h: Likewise.
2083         * fold-const.c: Likewise.
2084         * function.c: Likewise.
2085         * function.h: Likewise.
2086         * fwprop.c: Likewise.
2087         * gcc.c: Likewise.
2088         * gcov-dump.c: Likewise.
2089         * gcov-io.c: Likewise.
2090         * gcov-io.h: Likewise.
2091         * gcov.c: Likewise.
2092         * gcse.c: Likewise.
2093         * genattr.c: Likewise.
2094         * genattrtab.c: Likewise.
2095         * genautomata.c: Likewise.
2096         * genchecksum.c: Likewise.
2097         * genconfig.c: Likewise.
2098         * genflags.c: Likewise.
2099         * gengtype-parse.c: Likewise.
2100         * gengtype.c: Likewise.
2101         * gengtype.h: Likewise.
2102         * genmddeps.c: Likewise.
2103         * genmodes.c: Likewise.
2104         * genopinit.c: Likewise.
2105         * genpreds.c: Likewise.
2106         * gensupport.c: Likewise.
2107         * ggc-common.c: Likewise.
2108         * ggc-page.c: Likewise.
2109         * ggc-zone.c: Likewise.
2110         * ggc.h: Likewise.
2111         * gimple-iterator.c: Likewise.
2112         * gimple-low.c: Likewise.
2113         * gimple-pretty-print.c: Likewise.
2114         * gimple.c: Likewise.
2115         * gimple.def: Likewise.
2116         * gimple.h: Likewise.
2117         * gimplify.c: Likewise.
2118         * graphds.c: Likewise.
2119         * graphite-clast-to-gimple.c: Likewise.
2120         * gthr-nks.h: Likewise.
2121         * gthr-posix.c: Likewise.
2122         * gthr-posix.h: Likewise.
2123         * gthr-posix95.h: Likewise.
2124         * gthr-single.h: Likewise.
2125         * gthr-tpf.h: Likewise.
2126         * gthr-vxworks.h: Likewise.
2127         * gthr.h: Likewise.
2128         * haifa-sched.c: Likewise.
2129         * hard-reg-set.h: Likewise.
2130         * hooks.c: Likewise.
2131         * hooks.h: Likewise.
2132         * hosthooks.h: Likewise.
2133         * hwint.h: Likewise.
2134         * ifcvt.c: Likewise.
2135         * incpath.c: Likewise.
2136         * init-regs.c: Likewise.
2137         * integrate.c: Likewise.
2138         * ipa-cp.c: Likewise.
2139         * ipa-inline.c: Likewise.
2140         * ipa-prop.c: Likewise.
2141         * ipa-pure-const.c: Likewise.
2142         * ipa-reference.c: Likewise.
2143         * ipa-struct-reorg.c: Likewise.
2144         * ipa-struct-reorg.h: Likewise.
2145         * ipa-type-escape.c: Likewise.
2146         * ipa-type-escape.h: Likewise.
2147         * ipa-utils.c: Likewise.
2148         * ipa-utils.h: Likewise.
2149         * ipa.c: Likewise.
2150         * ira-build.c: Likewise.
2151         * ira-color.c: Likewise.
2152         * ira-conflicts.c: Likewise.
2153         * ira-costs.c: Likewise.
2154         * ira-emit.c: Likewise.
2155         * ira-int.h: Likewise.
2156         * ira-lives.c: Likewise.
2157         * ira.c: Likewise.
2158         * jump.c: Likewise.
2159         * lambda-code.c: Likewise.
2160         * lambda-mat.c: Likewise.
2161         * lambda-trans.c: Likewise.
2162         * lambda.h: Likewise.
2163         * langhooks.c: Likewise.
2164         * lcm.c: Likewise.
2165         * libgcov.c: Likewise.
2166         * lists.c: Likewise.
2167         * loop-doloop.c: Likewise.
2168         * loop-init.c: Likewise.
2169         * loop-invariant.c: Likewise.
2170         * loop-iv.c: Likewise.
2171         * loop-unroll.c: Likewise.
2172         * lower-subreg.c: Likewise.
2173         * lto-cgraph.c: Likewise.
2174         * lto-compress.c: Likewise.
2175         * lto-opts.c: Likewise.
2176         * lto-section-in.c: Likewise.
2177         * lto-section-out.c: Likewise.
2178         * lto-streamer-in.c: Likewise.
2179         * lto-streamer-out.c: Likewise.
2180         * lto-streamer.c: Likewise.
2181         * lto-streamer.h: Likewise.
2182         * lto-symtab.c: Likewise.
2183         * lto-wpa-fixup.c: Likewise.
2184         * matrix-reorg.c: Likewise.
2185         * mcf.c: Likewise.
2186         * mode-switching.c: Likewise.
2187         * modulo-sched.c: Likewise.
2188         * omega.c: Likewise.
2189         * omega.h: Likewise.
2190         * omp-low.c: Likewise.
2191         * optabs.c: Likewise.
2192         * optabs.h: Likewise.
2193         * opts-common.c: Likewise.
2194         * opts.c: Likewise.
2195         * params.def: Likewise.
2196         * params.h: Likewise.
2197         * passes.c: Likewise.
2198         * plugin.c: Likewise.
2199         * postreload-gcse.c: Likewise.
2200         * postreload.c: Likewise.
2201         * predict.c: Likewise.
2202         * predict.def: Likewise.
2203         * pretty-print.c: Likewise.
2204         * pretty-print.h: Likewise.
2205         * print-rtl.c: Likewise.
2206         * print-tree.c: Likewise.
2207         * profile.c: Likewise.
2208         * read-rtl.c: Likewise.
2209         * real.c: Likewise.
2210         * recog.c: Likewise.
2211         * reg-stack.c: Likewise.
2212         * regcprop.c: Likewise.
2213         * reginfo.c: Likewise.
2214         * regmove.c: Likewise.
2215         * regrename.c: Likewise.
2216         * regs.h: Likewise.
2217         * regstat.c: Likewise.
2218         * reload.c: Likewise.
2219         * reload1.c: Likewise.
2220         * resource.c: Likewise.
2221         * rtl.c: Likewise.
2222         * rtl.def: Likewise.
2223         * rtl.h: Likewise.
2224         * rtlanal.c: Likewise.
2225         * sbitmap.c: Likewise.
2226         * sched-deps.c: Likewise.
2227         * sched-ebb.c: Likewise.
2228         * sched-int.h: Likewise.
2229         * sched-rgn.c: Likewise.
2230         * sched-vis.c: Likewise.
2231         * sdbout.c: Likewise.
2232         * sel-sched-dump.c: Likewise.
2233         * sel-sched-dump.h: Likewise.
2234         * sel-sched-ir.c: Likewise.
2235         * sel-sched-ir.h: Likewise.
2236         * sel-sched.c: Likewise.
2237         * sel-sched.h: Likewise.
2238         * sese.c: Likewise.
2239         * sese.h: Likewise.
2240         * simplify-rtx.c: Likewise.
2241         * stack-ptr-mod.c: Likewise.
2242         * stmt.c: Likewise.
2243         * stor-layout.c: Likewise.
2244         * store-motion.c: Likewise.
2245         * stringpool.c: Likewise.
2246         * stub-objc.c: Likewise.
2247         * sync-builtins.def: Likewise.
2248         * target-def.h: Likewise.
2249         * target.h: Likewise.
2250         * targhooks.c: Likewise.
2251         * targhooks.h: Likewise.
2252         * timevar.c: Likewise.
2253         * tlink.c: Likewise.
2254         * toplev.c: Likewise.
2255         * toplev.h: Likewise.
2256         * tracer.c: Likewise.
2257         * tree-affine.c: Likewise.
2258         * tree-affine.h: Likewise.
2259         * tree-browser.def: Likewise.
2260         * tree-call-cdce.c: Likewise.
2261         * tree-cfg.c: Likewise.
2262         * tree-cfgcleanup.c: Likewise.
2263         * tree-chrec.c: Likewise.
2264         * tree-chrec.h: Likewise.
2265         * tree-complex.c: Likewise.
2266         * tree-data-ref.c: Likewise.
2267         * tree-data-ref.h: Likewise.
2268         * tree-dfa.c: Likewise.
2269         * tree-dump.c: Likewise.
2270         * tree-dump.h: Likewise.
2271         * tree-eh.c: Likewise.
2272         * tree-flow-inline.h: Likewise.
2273         * tree-flow.h: Likewise.
2274         * tree-if-conv.c: Likewise.
2275         * tree-inline.c: Likewise.
2276         * tree-into-ssa.c: Likewise.
2277         * tree-loop-distribution.c: Likewise.
2278         * tree-loop-linear.c: Likewise.
2279         * tree-mudflap.c: Likewise.
2280         * tree-nested.c: Likewise.
2281         * tree-nomudflap.c: Likewise.
2282         * tree-nrv.c: Likewise.
2283         * tree-object-size.c: Likewise.
2284         * tree-optimize.c: Likewise.
2285         * tree-outof-ssa.c: Likewise.
2286         * tree-parloops.c: Likewise.
2287         * tree-pass.h: Likewise.
2288         * tree-phinodes.c: Likewise.
2289         * tree-predcom.c: Likewise.
2290         * tree-pretty-print.c: Likewise.
2291         * tree-profile.c: Likewise.
2292         * tree-scalar-evolution.c: Likewise.
2293         * tree-ssa-address.c: Likewise.
2294         * tree-ssa-alias.c: Likewise.
2295         * tree-ssa-ccp.c: Likewise.
2296         * tree-ssa-coalesce.c: Likewise.
2297         * tree-ssa-copy.c: Likewise.
2298         * tree-ssa-copyrename.c: Likewise.
2299         * tree-ssa-dce.c: Likewise.
2300         * tree-ssa-dom.c: Likewise.
2301         * tree-ssa-dse.c: Likewise.
2302         * tree-ssa-forwprop.c: Likewise.
2303         * tree-ssa-ifcombine.c: Likewise.
2304         * tree-ssa-live.c: Likewise.
2305         * tree-ssa-live.h: Likewise.
2306         * tree-ssa-loop-ch.c: Likewise.
2307         * tree-ssa-loop-im.c: Likewise.
2308         * tree-ssa-loop-ivcanon.c: Likewise.
2309         * tree-ssa-loop-ivopts.c: Likewise.
2310         * tree-ssa-loop-manip.c: Likewise.
2311         * tree-ssa-loop-niter.c: Likewise.
2312         * tree-ssa-loop-prefetch.c: Likewise.
2313         * tree-ssa-loop-unswitch.c: Likewise.
2314         * tree-ssa-loop.c: Likewise.
2315         * tree-ssa-math-opts.c: Likewise.
2316         * tree-ssa-operands.c: Likewise.
2317         * tree-ssa-operands.h: Likewise.
2318         * tree-ssa-phiopt.c: Likewise.
2319         * tree-ssa-phiprop.c: Likewise.
2320         * tree-ssa-pre.c: Likewise.
2321         * tree-ssa-propagate.c: Likewise.
2322         * tree-ssa-reassoc.c: Likewise.
2323         * tree-ssa-sccvn.c: Likewise.
2324         * tree-ssa-sink.c: Likewise.
2325         * tree-ssa-structalias.c: Likewise.
2326         * tree-ssa-ter.c: Likewise.
2327         * tree-ssa-threadedge.c: Likewise.
2328         * tree-ssa-threadupdate.c: Likewise.
2329         * tree-ssa-uncprop.c: Likewise.
2330         * tree-ssa.c: Likewise.
2331         * tree-ssanames.c: Likewise.
2332         * tree-switch-conversion.c: Likewise.
2333         * tree-tailcall.c: Likewise.
2334         * tree-vect-data-refs.c: Likewise.
2335         * tree-vect-generic.c: Likewise.
2336         * tree-vect-loop-manip.c: Likewise.
2337         * tree-vect-loop.c: Likewise.
2338         * tree-vect-patterns.c: Likewise.
2339         * tree-vect-slp.c: Likewise.
2340         * tree-vect-stmts.c: Likewise.
2341         * tree-vectorizer.c: Likewise.
2342         * tree-vectorizer.h: Likewise.
2343         * tree-vrp.c: Likewise.
2344         * tree.c: Likewise.
2345         * tree.def: Likewise.
2346         * tree.h: Likewise.
2347         * treestruct.def: Likewise.
2348         * unwind-compat.c: Likewise.
2349         * unwind-dw2-fde-glibc.c: Likewise.
2350         * unwind-dw2.c: Likewise.
2351         * value-prof.c: Likewise.
2352         * value-prof.h: Likewise.
2353         * var-tracking.c: Likewise.
2354         * varasm.c: Likewise.
2355         * varpool.c: Likewise.
2356         * vec.c: Likewise.
2357         * vec.h: Likewise.
2358         * vmsdbgout.c: Likewise.
2359         * web.c: Likewise.
2360         * xcoffout.c: Likewise.
2362 2009-11-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2364         * pa.c (output_call): Only use sr4 for long interspace calls if
2365         call binds local and generating non PIC code.
2366         (attr_length_call): Adjust length calculation for above.
2368 2009-11-25  Uros Bizjak  <ubizjak@gmail.com>
2370         * config/i386/i386.md (plusminus_carry_mnemonic): New code attribute.
2371         (add<mode>3_carry): Change operand order of plus RTX.
2372         (*add<mode>3_carry): Ditto.
2373         (*addsi3_carry_zext): Ditto.
2374         (*add<dwi>3_doubleword): Update for changed operand order.
2375         (*negti2_1 splitter): Ditto.
2376         (*negdi2_1 splitter): Ditto.
2377         (<plusminus_insn><mode>3_carry): Macroize expander from
2378         {add,sub}<mode>3_carry patterns using plusminus code iterator.
2379         (*<plusminus_insn><mode>3_carry): Macroize insn from
2380         *{add,sub}<mode>3_carry patetrns using plusminus code iterator.
2381         (neg<mode>2): Macroize expander from neg{qi,hi,si,di,ti}2
2382         patterns using SDWIM mode iterator.
2383         (*neg<dwi>2_doubleword): New insn_and_split pattern.  Macroize
2384         pattern from *neg{di,ti}2_1 patterns and corresponding splitters
2385         using DWIH mode iterator.
2386         (*neg<mode>2_1): Macroize insn from neg{qi,hi,si,di}2_1 patterns
2387         using SWI mode iterator.
2388         (*neg<mode>2_cmpz): Ditto from neg{qi,hi,si,di}2_cmpz patterns.
2389         (one_cmpl<mode>2): Macroize expander from one_cmpl{qi,hi,si,di}2
2390         patterns using SWIM mode iterator.
2391         (*one_cmpl<mode>2_1): Macroize insn from one_cmpl{hi,si,di}2_1
2392         patterns using SWI248 mode iterator.
2393         (*one_cmpl<mode>2_2): Macroize insn from one_cmpl{qi,hi,si,di}2_2
2394         patterns using SWI mode iterator.
2395         (*one_cmpl<mode>2_2 splitter): Macroize splitter from
2396         one_cmpl{qi,hi,si,di}2_2 splitter patterns using SWI mode iterator.
2398 2009-11-24  Michael Matz  <matz@suse.de>
2400         * expr.c (set_storage_via_libcall): Fix build_call_expr call.
2402 2009-11-24  David Binderman  <dcb314@hotmail.com>
2404         * expr.c (store_field): Remove set but not used local variable
2405         width_mask.
2406         (expand_expr_real_2): Remove treeop2.
2407         * gcse.c (update_ld_motion_stores): Remove new_rtx.
2408         * haifa-sched.c (max_issue): Remove points.
2409         (sched_create_recovery_edges): Remove e.
2410         * ira-costs.c (setup_allocno_cover_class_and_costs): Remove mode.
2412 2009-11-24  Nick Clifton  <nickc@redhat.com>
2414         * config/v850/v850.c (function_arg): Fix handling of zero-length
2415         function arguments.
2417 2009-11-24  Michael Matz  <matz@suse.de>
2419         * tree.h (union tree_ann_d): Don't declare.
2420         (tree_base): Remove ann field.
2421         (struct var_ann_d): Declare forward.
2422         (tree_result_decl, tree_parm_decl, tree_var_decl): Add ann field.
2423         (DECL_VAR_ANN_PTR): New macro.
2424         * tree-dfa.c (create_var_ann): Rewrite in terms of above macro,
2425         accept only VAR, PARM or RESULT decls.
2426         (create_tree_common_ann): Remove.
2427         (remove_referenced_var): Use DECL_VAR_ANN_PTR.
2428         * tree-eh.c (lookup_expr_eh_lp): Remove.
2429         * tree-flow-inline.h (var_ann, get_var_ann): Rewrite in terms of
2430         DECL_VAR_ANN_PTR.
2431         (ann_type, tree_common_ann, get_tree_common_ann): Remove.
2432         * tree-flow.h (enum tree_ann_type): Remove.
2433         (struct tree_ann_common_d): Remove.
2434         (struct var_ann_d): Remove common field.
2435         (union tree_ann_d): Remove.
2436         (tree_ann_t, tree_ann_common_t): Remove typedefs.
2437         (tree_common_ann, get_tree_common_ann, ann_type,
2438         create_tree_common_ann, lookup_expr_eh_lp): Don't declare.
2439         * tree-ssa.c (delete_tree_ssa): Use DECL_VAR_ANN_PTR.
2440         * tree.c (copy_node_stat): Use DECL_VAR_ANN_PTR.
2441         * builtins.c (expand_builtin_memcpy): Use
2442         currently_expanding_gimple_stmt instead of tree annotation.
2443         (expand_builtin_memset_args): Ditto.
2444         * cfgexpand.c (currently_expanding_gimple_stmt): Add global variable.
2445         (expand_call_stmt): Don't set tree annotation.
2446         (expand_gimple_basic_block): Set currently_expanding_gimple_stmt.
2447         * expr.c (expand_expr_real): Don't call lookup_expr_eh_lp.
2448         * gimple.h (currently_expanding_gimple_stmt): Declare.
2450 2009-11-24  Paolo Carlini  <paolo.carlini@oracle.com>
2452         * dwarf2out.c (add_location_or_const_value_attribute): Remove
2453         useless NOTE_VAR_LOCATION_STATUS call.
2454         * cfgrtl.c (commit_one_edge_insertion): Remove useless loop, tidy.
2456 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2458         * lto-wrapper.c (lto_wrapper_exit): Don't try to delete files if
2459         being called recursively.
2461 2009-11-24  Basile Starynkevitch  <basile@starynkevitch.net>
2463         * Makefile.in (PLUGIN_HEADERS): Added files: cppdefault.h flags.h
2464         $(MD5_H) params.def params.h prefix.h tree-inline.h.
2466 2009-11-24  Paul Brook  <paul@codesourcery.com>
2468         * gcc/config/arm/arm.c (arm_compute_save_reg0_reg12_mask): Fix comment
2469         typo.
2471 2009-11-24  Julian Brown  <julian@codesourcery.com>
2472             Paul Brook  <paul@codesourcery.com>
2474         * config/arm/arm.c (TARGET_DWARF_REGISTER_SPAN): Define.
2475         (arm_dwarf_register_span): New function.
2476         (arm_dbx_register_number): Add VFPv3 dwarf numbering.
2478 2009-11-24  David Binderman  <dcb314@hotmail.com>
2480         * cfgrtl.c (commit_one_edge_insertion): Remove set but not used
2481         local variable bb_note.
2482         * dominance.c (get_dominated_by): Likewise local var n.
2483         (output_file_names): Likewise local var idx.
2484         (add_location_or_const_value_attribute): Likewise local var status.
2485         * dwarf2out.c (gen_variable_die): Likewise local var field.
2486         * emit-rtl.c (no_line_numbers): Remove.
2487         (init_emit_once): Remove line_numbers parameter.
2488         * rtl.h (init_emit_once): Adjust prototype.
2489         * toplev.c (backend_init): Adjust init_emit_once call.
2491 2009-11-24  Richard Guenther  <rguenther@suse.de>
2493         PR tree-optimization/42142
2494         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
2495         Handle iv-dependent (non-)kills properly.
2496         (mark_aliased_reaching_defs_necessary): Pass the basic-block
2497         of the reference statement to mark_aliased_reaching_defs_necessary_1.
2499 2009-11-24  Martin Jambor  <mjambor@suse.cz>
2501         PR tree-optimization/42154
2502         * tree-sra.c (struct access): Added comments.
2503         (sra_modify_expr): Build references to the old aggregate with
2504         build_ref_for_offset instead of reusing access->expr.
2505         (load_assign_lhs_subreplacements): Likewise.
2507 2009-11-24  Uros Bizjak  <ubizjak@gmail.com>
2509         * config/i386/i386.md (add<mode>3_carry): Change insn pattern
2510         to expander.
2511         (sub<mode>3_carry): Ditto.
2512         (x86_mov<mode>cc_0_m1): Ditto.
2513         (*add<mode>3_carry): New insn pattern.  Use VOIDmode match_operator
2514         for ix86_carry_flag_operator operator predicate.
2515         (*sub<mode>3_carry): Ditto.
2516         (*x86_mov<mode>cc_0_m1): Ditto.
2517         (*addsi3_carry_zext): Use VOIDmode match_operator for
2518         ix86_carry_flag_operator operator predicate.
2519         (*subsi3_carry_zext): Ditto.
2520         (*x86_mov<mode>cc_0_m1_s): Ditto.
2521         (*x86_mov<mode>cc_0_m1_neg): Ditto.
2522         * config/i386/predocates.md (ix86_carry_flag_operator): Do not
2523         check operator sub-expressions for FLAGS_REG and const0_rtx.
2524         * config/i386/i386.c (*ix86_gen_sub3_carry): Update prototype.
2525         (ix86_expand_int_movcc): Update calls to gen_x86_mov{si,di}cc_0_m1.
2526         (ix86_expand_int_addcc): Update calls to
2527         gen_{add,sub}{qi,hi,si,di}3_carry.  Do not set mode of compare_op.
2528         (ix86_expand_strlensi_unroll_1): Update calls to ix86_gen_sub3_carry.
2529         Do not set mode of compare operation.
2531 2009-11-23  Jan Hubicka  <jh@suse.cz>
2533         PR middle-end/42151
2534         * ipa-inline.c (inline_transform): Avoid ICE when transform is called
2535         twice.
2537 2009-11-23  Jan Hubicka  <jh@suse.cz>
2539         * ipa-cp.c (ipcp_compute_node_scale): Work around completely
2540         wrong profile updates.
2541         * predict.c (counts_to_freqs): Be expected for ENTRY/EXIT block
2542         having largest frequency.
2543         * ira-live.c (ira_implicitly_set_insn_hard_regs): Silecne
2544         used uninitalized warning.
2545         * tree-optimize.c (execute_fixup_cfg): Rescale entry and exit block
2546         frequencies.
2548 2009-11-23  Uros Bizjak  <ubizjak@gmail.com>
2550         * config/alpha/alpha.md (*cmp_sadd_sidi): Use gen_lowpart instead
2551         of gen_rtx_REG to generate operand 5.
2552         (*cmp_ssub_sidi): Ditto.
2554 2009-11-23  Richard Henderson  <rth@redhat.com>
2556         * config/i386/i386.c (avx_vpermilp_parallel): Fix sign compare
2557         mismatch.
2559 2009-11-23  Paul Brook  <paul@codesourcery.com>
2561         * config/arm/arm.c (arm_compute_save_reg0_reg12_mask): Add special
2562         case for noreturn functions.
2563         (arm_compute_save_reg_mask): Remove special noreturn handling.
2565 2009-11-23  Richard Guenther  <rguenther@suse.de>
2567         * tree-dfa.c (get_ref_base_and_extent): Adjust maximum access
2568         size for DECL bases.
2570 2009-11-22  Richard Henderson  <rth@redhat.com>
2572         * i386.c (avx_vpermilp_parallel): New function.
2573         * i386-protos.h: Declare it.
2574         * predicates.md (avx_vpermilp_v8sf_operand, avx_vpermilp_v4df_operand,
2575         avx_vpermilp_v4sf_operand, avx_vpermilp_v2df_operand): New.
2576         * sse.md (AVXMODEFDP, AVXMODEFSP): New iterators.
2577         (ssescalarnum, ssedoublesizemode): Add AVX modes.
2578         (vpermilbits): Remove.
2579         (avx_vpermil<mode>): Change insns to expanders.
2580         (*avx_vpermil<mode>): New.  Use vec_select.
2582 2009-11-22  Richard Earnshaw  <rearnsha@arm.com>
2584         * opts.c (decode_options): Don't enable flag_schedule_insns
2585         when optimizing for size.
2586         * doc/invoke.texi: Document change.
2588 2009-11-22  Uros Bizjak  <ubizjak@gmail.com>
2590         PR target/42113
2591         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2592         of scratch register to SImode.
2593         (*cmp_sadd_sidi): Ditto.
2594         (*cmp_ssub_si): Ditto.
2595         (*cmp_ssub_sidi): Ditto.
2597 2009-11-21  Ian Lance Taylor  <iant@google.com>
2599         * Makefile.in (HOST_LIBS): Move higher in file.
2600         (LINKER, LINKER_FLAGS): If ENABLE_BUILD_WITH_CXX, but $(HOST_LIBS)
2601         is not empty, set to $(CC) and $(CFLAGS).
2603 2009-11-22  Martin Jambor  <mjambor@suse.cz>
2605         * tree-cfg.c (verify_types_in_gimple_reference): Error out on
2606         V_C_E of an SSA_NAME or an invariant if lvalue is required.
2607         (verify_gimple_call): Verify LHS also with with
2608         verify_types_in_gimple_reference.
2610 2009-11-21  Martin Jambor  <mjambor@suse.cz>
2612         PR middle-end/42025
2613         * tree-sra.c (access_precludes_ipa_sra_p): New function.
2614         (splice_param_accesses): Check all accesses by calling
2615         access_precludes_ipa_sra_p.
2616         (sra_ipa_modify_expr): Rename argument erite to dont_convert and do
2617         not convert types if it is true.
2618         (sra_ipa_modify_assign): Convert types in case of mismatch.
2620 2009-11-21  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2622         * config/sh/sh.md (cmpeqsi_t-1): Use logical_operand predicate
2623         for operand 1.
2625 2009-11-21  Adam Nemet  <adambnemet@gmail.com>
2627         * config/mips/mips-protos.h (mulsidi3_gen_fn): New typedef.
2628         (mips_mulsidi3_gen_fn): Declare new function.
2629         * config/mips/mips.c (mips_mulsidi3_gen_fn): New function.
2630         * config/mips/mips.md (<u>mulsidi3): Change condition to use
2631         mips_mulsidi3_gen_fn.  Use mips_mulsidi3_gen_fn to generate the insn.
2632         (<u>mulsidi3_64bit): Don't match for ISA_HAS_DMUL3.
2633         (mulsidi3_64bit_dmul): New define_insn.
2635 2009-11-21  Ben Elliston  <bje@au.ibm.com>
2637         * gengtype-lex.l: Enable noinput flex option.
2638         (YY_NO_INPUT): Remove define.
2640 2009-11-21  Alexandre Oliva  <aoliva@redhat.com>
2642         * tree-ssa.c (find_released_ssa_name): Handle NULL wi.
2643         (insert_debug_temp_for_var_def): Handle degenerate PHI nodes.
2644         (insert_debug_temps_for_defs): Handle PHI nodes.
2645         * tree-ssa-dom.c (degenerate_phi_result): Don't crash on released
2646         SSA names.
2648 2009-11-21  Alexandre Oliva  <aoliva@redhat.com>
2650         * tree-ssa-pre.c (remove_dead_inserted_code): Don't release_defs
2651         after remove_phi_node.
2653 2009-11-21  Alexandre Oliva  <aoliva@redhat.com>
2655         PR tree-optimization/42078
2656         * gimple.h (gimple_replace_lhs): New declaration.
2657         * gimple.c (gimple_replace_lhs): New function.
2658         * tree-ssa-math-opts.c (execute_cse_reciprocals): Call it before
2659         modifying the call.
2661 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2663         * config/i386/sse.md (*xop_pmacsdql_mem): Don't call reg_mentioned_p.
2664         (xop_mulv2div2di3_low): Same.
2665         (*xop_pmacsdqh_mem): Same.
2667 2009-11-20  Richard Henderson  <rth@redhat.com>
2669         * config/i386/i386-builtin-types.awk: New file.
2670         * config/i386/i386-builtin-types.def: New file.
2671         * config/i386/t-i386: Use them to build i386-builtin-types.inc.
2672         * config/i386/i386.c: Include it.
2673         (ix86_builtin_type_tab, ix86_get_builtin_type): New.
2674         (ix86_builtin_func_type_tab, ix86_get_builtin_func_type): New.
2675         (struct builtin_isa): Remove GTY marker.  Replace tree type with
2676         ix86_builtin_func_type; add set_and_not_built_p.
2677         (def_builtin): Change type parameter to tcode; use
2678         ix86_get_builtin_func_type; update all callers.  Accept zero mask
2679         to mean the builtin is unconditionally available.
2680         (ix86_add_new_builtins): Use set_and_not_built_p instead of type
2681         being set to NULL.
2682         (enum ix86_special_builtin_type, enum ix86_builtin_type): Remove.
2683         Update some users to rationalized enumeration codes from new include.
2684         (enum multi_arg_type): Remove.  Replace all enumeration values
2685         with defines to new ix86_builtin_func_type.
2686         (ix86_init_mmx_sse_builtins): Don't build any types here.  Defer
2687         all type resolution to def_builtin.
2688         (ix86_init_builtin_types): Split out from ...
2689         (ix86_init_builtins): ... here.  Use ix86_get_builtin_func_type.
2691 2009-11-20  Michael Meissner  <meissner@linux.vnet.ibm.com>
2693         PR target/41787
2694         * config/rs6000/rs6000.c (struct machine_function): Revert
2695         2009-10-23 change to set VRSAVE to non-0 if we use VSX.
2696         (rs6000_expand_to_rtl_hook): Ditto.
2697         (rs6000_check_vector_mode): Ditto.
2698         (compute_vrsave_mask): Ditto.
2700 2009-11-20  Paul Brook  <paul@codesourcery.com>
2702         * doc/invoke.texi: Document ARM -mcpu=cortex-a5.
2703         * config/arm/arm-cores.def: Add cortex-a5.
2704         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a5.
2705         * config/arm/arm-tune.md: Regenerate.
2707 2009-11-20 Olga Golovanevsky <olga@il.ibm.com>
2709         PR middle-end/39960
2710         * ipa-struct-reorg.c (find_pos_in_stmt): New parameter.
2711         (ref_pos): New field in structure.
2712         (insert_new_var_in_stmt): New function.
2715 2009-11-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2717         * config.gcc (alpha*-dec-osf[45]*): Set use_gcc_stdint.
2718         * config/alpha/osf.h (SIG_ATOMIC_TYPE): Define.
2719         (INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE): Define.
2720         (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
2721         (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2722         INT_LEAST64_TYPE): Define.
2723         (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
2724         UINT_LEAST64_TYPE): Define.
2725         (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
2726         INT_FAST64_TYPE): Define.
2727         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2728         UINT_FAST64_TYPE): Define.
2729         (INTPTR_TYPE, UINTPTR_TYPE): Define.
2731 2009-11-20  Julian Brown  <julian@codesourcery.com>
2733         * config/arm/arm.h (ASM_OUTPUT_REG_PUSH): Handle STATIC_CHAIN_REGNUM
2734         specially for Thumb-1.
2735         (ASM_OUTPUT_REG_POP): Likewise.
2737 2009-11-19  Jason Merrill  <jason@redhat.com>
2739         * dwarf2out.c (get_context_die): Take TYPE_MAIN_VARIANT.
2741 2009-11-19  Basile Starynkevitch  <basile@starynkevitch.net>
2742             Rafael Avila de Espindola  <espindola@google.com>
2744         * doc/plugins.texi (Plugin initialization): Added advices for
2745         retrieving the version of GCC at plugin compilation and loading times.
2747 2009-11-19  Basile Starynkevitch  <basile@starynkevitch.net>
2749         * plugin.c (FMT_FOR_PLUGIN_EVENT): added definition.
2750         (dump_active_plugins): output to file everything. Use
2751         internationalized dump & FMT_FOR_PLUGIN_EVENT.
2753 2009-11-19  Richard Guenther  <rguenther@suse.de>
2755         * gimple.c (canonicalize_cond_expr_cond): Strip conversions
2756         around truth-valued expressions.
2757         * tree.c (free_lang_data): Untangle check for LTO frontend.
2759 2009-11-19  Jakub Jelinek  <jakub@redhat.com>
2761         * tree.c (need_assembler_name_p): Use cgraph_get_node instead
2762         of cgraph_node_for_decl.
2763         * cgraph.h (cgraph_node_for_decl): Remove prototype.
2764         * cgraph.c (cgraph_node_for_decl): Remove.
2765         (cgraph_get_node): Just return NULL if !cgraph_hash.
2767 2009-11-19  Paul Brook  <paul@codesourcery.com>
2769         * config.gcc: Add new ARM --with-fpu options.
2770         * doc/invoke.texi: Docuent ARM -mfpu=fpv4-sp-d16.
2771         * config/arm/arm.c (all_fpus): Add fpv4-sp-d16.
2773 2009-11-18  Richard Guenther  <rguenther@suse.de>
2775         * gimple.h (union gimple_statement_d): Add gsmembase member.
2776         (gimple_vuse_op): Use gsmembase for access.
2777         (gimple_vdef_op): Likewise.
2778         (gimple_vuse): Likewise.
2779         (gimple_vdef): Likewise.
2780         (gimple_vuse_ptr): Likewise.
2781         (gimple_vdef_ptr): Likewise.
2782         (gimple_set_vuse): Likewise.
2783         (gimple_set_vdef): Likewise.
2784         * gsstruct.def (GSS_WITH_MEM_OPS_BASE): Add.
2786 2009-11-18  Daniel Jacobowitz  <dan@codesourcery.com>
2788         * doc/arm-neon-intrinsics.texi: Regenerated.
2790 2009-11-18  Daniel Jacobowitz  <dan@codesourcery.com>
2792         * config/arm/neon-docgen.ml (analyze_shape_elt): Handle alternatives.
2794 2009-11-18  Paul Brook  <paul@codesourcery.com>
2795             Daniel Jacobowitz  <dan@codesourcery.com>
2797         * config/arm/arm.c (FL_ARCH7EM, FL_FOR_ARCH7EM): Define.
2798         (arm_arch7em): New variable.
2799         (all_architectures): Add armv7e-m.
2800         (arm_override_options): Set arm_arch7em.
2801         * config/arm/arm.h (TARGET_DSP_MULTIPLY, TARGET_INT_SIMD):
2802         Include arm_arch7em.
2803         (arm_arch7em): Declare.
2805 2009-11-18  Richard Guenther  <rguenther@suse.de>
2807         * lto-streamer-in.c (input_gimple_stmt): Assert that we find
2808         a valid field decl if checking is enabled.
2810 2009-11-18  Martin Jambor  <mjambor@suse.cz>
2812         * ipa-prop.h (struct ipa_param_call_note): New field lto_stmt_uid.
2813         (lto_ipa_fixup_call_notes): Declare.
2814         * ipa-prop.c (ipa_note_param_call): Store gimple uid.
2815         (update_call_notes_after_inlining): Copy call stmt uid to the new
2816         edge.
2817         (ipa_write_param_call_note): New function.
2818         (ipa_read_param_call_note): New function
2819         (ipa_write_node_info): Write also param call notes.  Removed a bogus
2820         comment, reformatted to fit 80 columns.
2821         (ipa_read_node_info): Read also param call notes. Removed a bogus
2822         comment.  Remove ipa_edge_args_vector growth.
2823         (lto_ipa_fixup_call_notes): New function.
2824         * ipa-cp.c (pass_ipa_cp): Add stmt_fixup hook.
2825         * ipa-inline.c (cgraph_mark_inline_edge): Perform indirect
2826         inlining regardless of flag_wpa.
2827         (cgraph_decide_inlining_of_small_functions): Likewise.
2828         (cgraph_decide_inlining): Likewise.
2829         (inline_read_summary): Likewise.
2831 2009-11-18  Jan Hubicka  <jh@suse.cz>
2833         * predict.c (compute_function_frequency): Export.
2834         * predict.h (compute_function_frequency): Declare.
2835         * tree-optimize.c (execute_fixup_cfg): Rescale frequencies.
2837 2009-11-18  Martin Jambor  <mjambor@suse.cz>
2839         * passes.c (ipa_write_summaries): Call renumber_gimple_stmt_uids
2840         on all nodes we write summaries for.
2842 2009-11-18  Shujing Zhao  <pearly.zhao@oracle.com>
2844         PR middle-end/22201
2845         * params.def (PARAM_INLINE_UNIT_GROWTH, PARAM_IPCP_UNIT_GROWTH)
2846         (PARAM_EARLY_INLINING_INSNS, PARAM_IRA_MAX_LOOPS_NUM)
2847         (PARAM_IRA_MAX_CONFLICT_TABLE_SIZE)
2848         (PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP)
2849         (PARAM_MIN_INSN_TO_PREFETCH_RATIO)
2850         (PARAM_PREFETCH_MIN_INSN_TO_MEM_RATIO)
2851         (PARAM_IPA_SRA_PTR_GROWTH_FACTOR): Uppercase the first letter of the
2852         description string.
2854 2009-11-18  Jakub Jelinek  <jakub@redhat.com>
2856         * dwarf2out.c (loc_list_from_tree): Don't call rtl_for_decl_location
2857         unnecessarily.
2858         (rtl_for_decl_location): Try harder to get a rtl for TREE_STATIC vars.
2860         PR c++/3187
2861         * cgraph.h (struct cgraph_node): Add same_body and same_body_alias
2862         fields.
2863         (cgraph_same_body_alias, cgraph_remove_same_body_alias): New
2864         prototypes.
2865         * cgraphunit.c (cgraph_expand_function, cgraph_emit_thunks,
2866         cgraph_materialize_all_clones): Handle same_body aliases.
2867         * cgraph.c (cgraph_allocate_node): New function.
2868         (cgraph_create_node): Use it.
2869         (cgraph_node_for_decl, cgraph_node, cgraph_get_node,
2870         cgraph_node_for_asm, cgraph_remove_node): Handle same_body aliases.
2871         (cgraph_same_body_alias, cgraph_remove_same_body_alias): New
2872         functions.
2873         * lto-cgraph.c (lto_output_node): Stream out same_body aliases.
2874         (input_node): Stream in same_body aliases.
2875         * lto-symtab.c (lto_cgraph_replace_node): Clear node pointers
2876         for same_body aliases.
2877         (lto_symtab_merge_cgraph_nodes_1): Handle same_body aliases.
2879 2009-11-18  Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2881         PR other/39888
2882         * config/darwin.h: Use the extension stub libraries to access
2883         current libgcc_s features.
2885 2009-11-18  Alexandre Oliva  <aoliva@redhat.com>
2887         PR debug/41926
2888         * tree-vect-loop.c (vect_loop_kill_debug_uses): New.
2889         (vect_transform_loop): Call it.
2891 2009-11-18  Alexandre Oliva  <aoliva@redhat.com>
2893         * tree-ssa.c (insert_debug_temp_for_var_def): Fix handling of
2894         released SSA names.
2896 2009-11-18  Alexandre Oliva  <aoliva@redhat.com>
2898         PR debug/41888
2899         PR debug/41886
2900         * graphite-scop-detection.c (stmt_simple_for_scop_p): Debug stmts
2901         are ok.
2902         * graphite-sese-to-poly.c (graphite_stmt_p): Likewise.
2903         (try_generate_gimple_bb): Skip debug stmts when finding data refs.
2904         * sese.c (sese_build_liveouts_bb): Skip debug stmts.
2905         (sese_bad_liveouts_use): New.
2906         (sese_reset_debug_liveouts_bb): New.
2907         (sese_build_liveouts): Use it.
2908         (rename_variables_in_stmt): Reset debug stmts rather than creating
2909         new vars for them.
2910         (expand_scalar_variable_stmt): Likewise.
2912 2009-11-18  Alexandre Oliva  <aoliva@redhat.com>
2914         * df-scan.c (df_ref_create): Don't mark BB as dirty on debug insns.
2915         (df_ref_remove): Likewise.
2917 2009-11-17  Jan Hubicka  <jh@suse.cz>
2919         * ipa-struct-reorg.c (update_cgraph_with_malloc_call): Fix profile
2920         info.
2922 2009-11-17  Eric Botcazou  <ebotcazou@adacore.com>
2924         * toplev.c (process_options): Remove dead code.
2925         * doc/invoke.texi (-frename-registers): Mention -fpeel-loops.
2927 2009-11-17  Rafael Avila de Espindola  <espindola@google.com>
2929         * lto-symtab.c (lto_symtab_resolve_symbols): Always initialize the
2930         nodes.
2932 2009-11-17  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2934         PR tree-optimization/41857
2935         * tree-ssa-address.c (move_hint_to_base): Use void pointer to
2936         TYPE's address space instead of pointer to TYPE.
2938 2009-11-17  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2940         * reload.c (find_reloads_address): Fix typo.
2942 2009-11-17  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2944         * config/spu/spu.c (get_pic_reg): Use LAST_ARG_REGNUM as PIC
2945         registers in leaf functions if possible.
2947 2009-11-17  Maxim Kuvyrkov  <maxim@codesourcery.com>
2949         * config/m68k/m68k-devices.def: Add MCF5441x family.
2951 2009-11-17  Jan Hubicka  <jh@suse.cz>
2953         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Do not access
2954         removed node.
2955         * cgraphunit.c (verify_cgraph_node): Verify frequencies for match.
2957 2009-11-17  Uros Bizjak  <ubizjak@gmail.com>
2959         * config/i386/predicates.md (x86_64_szext_general_operand): Do not
2960         nest ior expressions.
2961         (x86_64_szext_nonmemory_operand): Ditto.
2962         (call_insn_operand): Ditto.
2964 2009-11-16  Alexandre Oliva  <aoliva@redhat.com>
2966         * stmt.c (expand_asm_stmt): Get locus from stmt.
2968 2009-11-16  Alexandre Oliva  <aoliva@redhat.com>
2970         * tree-cfg.c (gimple_redirect_edge_and_branch) <case GIMPLE_ASM>:
2971         Create the decl label for the new dest block on demand.  Require
2972         a fallthrough edge if no asm labels were redirected.
2974 2009-11-16  Uros Bizjak  <ubizjak@gmail.com>
2976         * config/i386/i386.md (cbranchsi4): Use nonimmediate_operand for
2977         operand 1 predicate.
2978         (cstoresi4): Ditto for operand 2.
2979         (cbranch<mode>4): Macroize expander from cbranch{qi,hi,si,di,ti}4
2980         patterns using SDWIM mode iterator.
2981         (cstore<mode>4): Macroize expander from cstore{qi,hi,si,di}4 patterns
2982         using SWIM mode iterator.
2983         (cmpdi_1): Rename from cmpdi_1_rex64.
2984         (cmp<mode>_1): Macroize expander from cmp{si,di}_1 patterns using
2985         SWI48 mode iterator.
2986         (*cmp<mode>_1): Macroize insn from *cmp{qi,hi,si,di}_1_insn patterns
2987         using SWI mode iterator.
2988         (*cmp<mode>_ccno_1): Ditto from *cmp{qi,hi,si,di}_ccno_1.
2989         (*cmp<mode>_minus_1): Ditto from *cmp{qi,hi,si,di}_minus_1.
2990         (*cmpqi_ext_3_insn): Make private.
2991         (*cmpqi_ext_3_insn_rex64): Make private.
2992         (cmpstrnsi): Update for renamed cmpdi_1_rex64.
2993         * config/i386/predicates.md (cmpsi_operand): Remove.
2995 2009-11-16  Paul Brook  <paul@codesourcery.com>
2997         * doc/invoke.texi: Document ARM VFPv4 based FPUs.
2998         * config/arm/arm.c (all_fpus): Add VFPv4 entries.
3000 2009-11-14  Jan Hubicka  <jh@suse.cz>
3002         * cgraphbuild.c (compute_call_stmt_bb_frequency): Use proper
3003         ENTRY_BLOCK_PTR.
3004         * cgraph.c (cgraph_clone_edge): Avoid freq_scale 0 to completely
3005         zero out all callees.
3006         * cgraphunit.c (verify_cgraph_node): Verify cgraph nodes for
3007         frequency and count match.
3008         * ipa-inline.c (update_noncloned_frequencies): New function.
3009         (cgraph_clone_inlined_nodes): Use it.
3010         * tree-inline.c (copy_bb): Fix frequency scaling; output
3011         diagnostic on frequency mismatches to dump file.
3012         (initialize_cfun): Do not scale frequency; fix count scaling;
3013         initialize entry and exit block frequencies; copy profile info.
3014         (copy_cfg_body): Use frequency_scale as argument; fix count scaling.
3015         (copy_body): Use frequency_scale as argument.
3016         (expand_call_inline): Compute frequency scale and output diagnostic
3017         to dump file.
3018         (delete_unreachable_blocks_update_callgrah): Remove checking that
3019         has to be done after edge redirection.
3020         (tree_function_versioning): Update initialize_cfun and copy_body call.
3022 2009-11-14  Jan Hubicka  <jh@suse.cz>
3024         * cgraph.c (cgraph_release_function_body): Update use of
3025         ipa_transforms_to_apply.
3026         (cgraph_remove_node): Remove ipa_transforms_to_apply.
3027         * cgraph.h (struct cgraph_node): Add ipa_transforms_to_apply.
3028         * cgraphunit.c (save_inline_function_body): Clear ipa_transforms for
3029         copied body.
3030         (cgraph_materialize_clone): Remove original if dead.
3031         * lto-streamer-in.c (lto_read_body): Remove FIXME and
3032         ipa_transforms_to_apply hack.
3033         * function.h (struct function): Add ipa_transforms_to_apply.
3034         * ipa.c (cgraph_remove_unreachable_nodes): Handle dead clone originals.
3035         * tree-inline.c (copy_bb): Update sanity check.
3036         (initialize_cfun): Do not copy ipa_transforms_to_apply.
3037         (expand_call_inline): remove dead clone originals.
3038         (tree_function_versioning): Merge transformation queues.
3039         * passes.c (add_ipa_transform_pass): Remove.
3040         (execute_one_ipa_transform_pass): Update ipa_transforms_to_apply
3041         tracking.
3042         (execute_all_ipa_transforms): Update.
3043         (execute_one_pass): Update.
3045 2009-11-14  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
3047         PR target/21078, 21080
3048         * config/avr/avr.c (avr_return_addr_rtx): New function for
3049         builtin_return_address.
3050         (expand_prologue): Calculate stack usage.
3051         (avr_asm_function_end_prologue): Output stack size and offset label.
3052         * config/avr/avr.h (RETURN_ADDR_RTX): Replace.
3053         (machine_function): Add stack_usage.
3054         * config/avr/avr-protos.h (avr_return_addr_rtx): New function.
3056 2009-11-14  Anatoly Sokolov  <aesok@post.ru>
3058         * config/iq2000/iq2000.c (iq2000_function_value): Make static, add
3059         new 'outgoing' argument.
3060         (iq2000_libcall_value, iq2000_function_value_regno_p): New functions.
3061         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
3062         * config/iq2000/iq2000.h (FUNCTION_VALUE_REGNO_P): Redefine, use
3063         iq2000_function_value_regno_p.
3064         (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
3065         * config/iq2000/iq2000-protos.h (iq2000_function_value_regno_p):
3066         Declare.
3068 2009-11-14  Richard Earnshaw  <rearnsha@arm.com>
3070         PR target/42031
3071         * arm.md (adddi_sesidi_di): Place tied contraint first.
3072         (adddi_zesidi_di, subdi_di_zesidi, subdi_di_sesidi): Likewise
3073         (subdi_zesidi_di, subdi_sesidi_di): Likewise.
3074         (mulsi3_compare0, mulsi_compare0_scratch): Likewise.
3075         (mulsi3addsi, mulsi3addsi_compare0): Likewise.
3076         (mulsi3addsi_compare0_scratch, smulsi3_highpart_nov6): Likewise.
3077         (umulsi3_highpart_nov6, anddi_zesidi_di, anddi_sesdi_di): Likewise.
3078         (anddi_notdi_di, iordi_sesidi_di, xordi_sesidi_di): Likewise.
3079         (andsi_iorsi3_notsi, arm_ashldi3_1bit, arm_ashrdi3_1_bit): Likewise.
3080         (arm_lshrdi3_1bit, one_cmpldi2): Likewise.
3082 2009-11-14  Uros Bizjak  <ubizjak@gmail.com>
3084         * config/i386/predicates.md (call_register_no_elim_operand):
3085         New predicate.  Reject stack register as valid call operand
3086         for 32bit targets.
3087         (call_insn_operand): Use call_register_no_elim_operand.
3089 2009-11-13  Richard Henderson  <rth@redhat.com>
3091         * function.c (stack_protect_prologue): Don't bypass expand_expr
3092         for stack_protect_guard and guard_decl.
3093         (stack_protect_epilogue): Likewise.
3095 2009-11-13  Jan Hubicka  <jh@suse.cz>
3097         * ipa.c (function_and_variable_visibility): Clear COMDAT on functions
3098         when to PUBLIC is set.
3100 2009-11-13  Jakub Jelinek  <jakub@redhat.com>
3102         PR middle-end/42029
3103         * gimplify.c (gimplify_omp_atomic): Set DECL_GIMPLE_REG_P on
3104         tmp_load if needed.
3106 2009-11-13  Uros Bizjak  <ubizjak@gmail.com>
3108         PR target/41900
3109         * config/i386/i386.md (*call_pop_1, *call_1, *call_value_pop_1,
3110         *call_value_1): Use "lsm" as operand 1 constraint.
3111         * config/i386/predicates.md (call_insn_operand): Depend on
3112         index_register_operand to avoid %esp register.
3114 2009-11-13  Uros Bizjak  <ubizjak@gmail.com>
3116         Revert:
3117         2009-11-03  Uros Bizjak  <ubizjak@gmail.com>
3119         PR target/41900
3120         * config/i386/i386.h (ix86_arch_indices) <X86_ARCH_CALL_ESP>: New.
3121         (TARGET_CALL_ESP): New define.
3122         * config/i386/i386.c (initial_ix86_tune_features): Initialize
3123         X86_ARCH_CALL_ESP.
3124         * config/i386/i386.md (*call_pop_1_esp, *call_1_esp,
3125         *call_value_pop_1_esp, *call_value_1_esp): Rename from *call_pop_1,
3126         *call_1, *call_value_pop_1 and *call_value_1.  Depend on
3127         TARGET_CALL_ESP.
3128         (*call_pop_1, *call_1, *call_value_pop_1, *call_value_1):
3129         New patterns, use "lsm" as operand 1 constraint.
3130         * config/i386/predicates.md (call_insn_operand): Depend on
3131         index_register_operand for !TARGET_CALL_ESP to avoid %esp register.
3133 2009-11-13  Jason Merrill  <jason@redhat.com>
3135         PR debug/26965
3136         * dwarf2out.c (gen_variable_die): Don't worry about DECL_COMDAT.
3137         Don't emit a second declaration at any scope.
3139 2009-11-13  Andrey Belevantsev  <abel@ispras.ru>
3141         PR rtl-optimization/41697
3142         * sel-sched-ir.c (fallthru_bb_of_jump): Bail out when a block with
3143         a conditional jump has a single successor.
3145 2009-11-13  Andrey Belevantsev  <abel@ispras.ru>
3147         * sched-deps.c (init_deps): New parameter lazy_reg_last.  Don't
3148         allocate reg_last when in case lazy_reg_last is true.
3149         (init_deps_reg_last): New.
3150         (free_deps): When max_reg is 0, this context is already freed.
3151         * sched-int.h (init_deps_reg_last): Export.
3152         (init_deps): Update prototype.
3153         * sched-ebb.c (schedule_ebb): Update the call to init_deps.
3154         * sched-rgn.c (sched_rgn_compute_dependencies): Likewise.
3155         * ddg.c (build_intra_loop_deps): Likewise.
3156         * sel-sched-ir.c (copy_deps_context, create_deps_context,
3157         reset_deps_context, deps_init_id): Likewise.
3158         (init_first_time_insn_data): Lazy allocate INSN_DEPS_CONTEXT.
3159         (free_data_for_scheduled_insn): New, break down from ...
3160         (free_first_time_insn_data): ... here.
3161         (has_dependence_p): Allocate reg_last now, when it is needed.
3162         (extend_insn_data): When maximal LUID is big enough, allocate
3163         per-insn data in smaller chunks.
3164         * sel-sched-ir.h (free_data_for_scheduled_insn): Export.
3165         * sel-sched.c (update_seqnos_and_stage): Free INSN_DEPS_CONTEXT
3166         in scheduled insn.
3168 2009-11-13  Uros Bizjak  <ubizjak@gmail.com>
3170         * config/i386/i386.md (call_value): Fix comment.
3171         (sibcall_value): Ditto.
3173 2009-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3175         * config/i386/linux-unwind.h (x86_frob_update_context): New function.
3176         (MD_FROB_UPDATE_CONTEXT): Define.
3178 2009-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3179             Laurent GUERBY  <laurent@guerby.net>
3181         * config/sparc/linux-unwind.h (sparc64_fallback_frame_state): Tidy.
3182         Do not schedule an %sp restore.  Compensate for RETURN_ADDR_OFFSET.
3183         (sparc_fallback_frame_state): Tidy.  Compensate for RETURN_ADDR_OFFSET.
3185 2009-11-12  Jan Hubicka  <jh@suse.cz>
3187         * ipa.c (function_and_variable_visibility): Fix my accidentail commit
3188         and clear DECL_COMMON on localized declarations.
3190 2009-11-12  Bernd Schmidt  <bernd.schmidt@analog.com>
3192         PR rtl-opt/38582
3193         * regrename.c (struct du_head): New structure; some elements moved
3194         from...
3195         (struct du_chain): ... this one.
3196         (open_chains, closed_chains): Now of type struct du_head *.
3197         (do_replace): Accept du_head argument, not du_chain.  All callers
3198         changed.  Modified code to match new data structures.
3199         (build_def_use): Return a list of du_head structures.  Modified code
3200         to match new data structures.
3201         (dump_def_use_chain): Accept du_head argument, not du_chain.  All
3202         callers changed.  Modified code to match new data structures.
3203         (merge_overlapping_regs): Accept du_head argument, not du_chain.  All
3204         callers changed.  Modified code to match new data structures.
3205         (scan_rtx_reg): Change type of this_regno and this_nregs to unsigned.
3206         Allocate a du_head structure as well as a du_chain when creating a
3207         new chain.  Modified other code to match new data structures.
3209 2009-11-12  Jan Hubicka  <jh@suse.cz>
3211         * cgraph.h (varpool_node_name): Declare.
3212         * cgraphunit.c (process_function_and_variable_attributes): Set
3213         force_output flag on used variables.
3214         * ipa.c (function_and_variable_visibility): Dump externally visible
3215         and needed variables.
3216         * varpool.c (varpool_node_name): Export.
3217         (decide_is_variable_needed): Check COMDAT for externally visible vars;
3218         ignore needed flag.
3220 2009-11-12  Uros Bizjak  <ubizjak@gmail.com>
3222         PR middle-end/41930
3223         * simplify-rtx.c (simplify_replace_fn_rtx) <case 'e'>: Skip
3224         processing if XEXP (x, i) is NULL.
3226 2009-11-12  Jan Hubicka  <jh@suse.cz>
3228         * ipa.c (function_and_variable_visibility): Verify that WEAK || COMMON
3229         imply PUBLIC || EXTERNAL.
3231 2009-11-11  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
3233         PR middle-end/41440
3234         * cfgexpand.c (expand_gimple_basic_block): Append NOP to a fallthru,
3235         single successor block, ending with jump created by RTL expander.
3237 2009-11-11  Jan Hubicka  <jh@suse.cz>
3239         PR middle-end/41729
3240         * ipa.c (function_and_variable_visibility): Do not privatize COMDAT
3241         and WEAK variables at -fwhole-program.
3243         PR middle-end/41735
3244         * ipa.c (whole_program_function_and_variable_visility): COMDAT
3245         functions/variables are not needed even if they are externally visible.
3247 2009-11-11  Jan Hubicka  <jh@suse.cz>
3249         (patch by Richard Guenther)
3250         * lto-streamer-out.c (output_function): Output head of argument list
3251         earlier.
3252         * lto-streamer-in.c (input_function): Re-map arguments into merged
3253         declaration.
3255 2009-11-11  Jan Hubicka  <jh@suse.cz>
3257         * lto-cgraph.c: Include gcov-io.h
3258         (output_profile_summary): New function.
3259         (output_cgraph): Use it.
3260         (input_profile_summary): New function.
3261         (input_cgraph): Use it.
3262         * coverage.c (build_ctr_info_value): Use varpool; initalize
3263         DECL_ASSEMBLER_NAME.
3264         (create_coverage): Likewise.
3265         * tree-profile.c (tree_init_ic_make_global_vars): Likewise.
3266         (tree_init_edge_profiler): Likewise.
3267         * Makefile.in (lto-cgraph.o): Add dependency on gcov-io.h.
3269 2009-11-11  Kai Tietz  <kai.tietz@onevision.com>
3271         * config/i386/cygming.h (HANDLE_PRAGMA_PUSH_POP_MACRO): Removed.
3272         * c-pragma.c (def_pragma_macro_value): Likewise.
3273         (def_pragma_macro): Likewise.
3274         (pushed_macro_table): Likewise.
3275         (HANDLE_PRAGMA_PUSH_POP_MACRO): Remove guarded code.
3276         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): Removed.
3278 2009-11-11  Basile Starynkevitch  <basile@starynkevitch.net>
3280         * doc/plugins.texi (Registering custom attributes): section
3281         renamed as (Registering custom attributes or pragmas).
3282         Mentions custom attributes & pragmas, and c_register_pragma, with
3283         a small example.
3284         * doc/cpp.texi (Pragmas): Mentions that plugins can provide their
3285         pragmas.
3286         * doc/extend.texi (Function Attributes): Mentions that plugin can
3287         provide their attributes.
3289 2009-11-11  Jon Beniston  <jon@beniston.com>
3291         * config.gcc: Add lm32 elf and uclinux targets.
3292         * config/lm32: New directory.
3293         * config/lm32/lm32.c: New file.
3294         * config/lm32/lm32.h: New file.
3295         * config/lm32/lm32.md: New file.
3296         * config/lm32/lm32.opt: New file.
3297         * config/lm32/lm32-protos.h: New file.
3298         * config/lm32/constraints.md: New file.
3299         * config/lm32/predicates.md: New file.
3300         * config/lm32/sfp-machine.h: New file.
3301         * config/lm32/t-fprules-softfp: New file.
3302         * config/lm32/uclinux-elf.h: New file.
3303         * doc/invoke.texi: Document lm32 options.
3304         * doc/contrib.texi: Document lm32 porter.
3305         * doc/install.texi: Document lm32 targets.
3307 2009-11-11  Martin Jambor  <mjambor@suse.cz>
3309         PR lto/41932
3310         * ipa-prop.c (ipa_update_after_lto_read): Call
3311         ipa_check_create_node_params and ipa_check_create_edge_args.  Also
3312         call ipa_initialize_node_params instead of ipa_populate_param_decls.
3314 2009-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3316         * config/arm/arm.c (neon_vdup_constant, neon_make_constant): New.
3317         (neon_expand_vector_init): Use them.  Also handle non-constant
3318         vectors with identical elements and vectors with only one
3319         non-constant element.
3320         (arm_print_operand): Handle 'y' modifier.
3321         * config/arm/arm-protos.h (neon_make_constant): Declare.
3322         * config/arm/neon.md (neon_vdup_n<mode>): Split into two
3323         patterns.  Use VX instead of VDQW for the first one.  Allow
3324         a VFP alternative and V32 modes for the second one.
3325         * config/arm/neon.ml (shape_elt): Add Alternatives.
3326         (ops): Use Alternatives for vdup lane instructions.
3327         * config/arm/neon-testgen.ml (analyze_shape): Handle Alternatives.
3328         * config/arm/vec-common.md (mov<mode>): Use neon_make_constant.
3330 2009-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3332         * config/arm/neon.md (*neon_mov<mode>): Reject two non-register
3333         operands.
3334         (movti, mov<mode>): Call force_reg on one operand if required.
3335         * config/arm/vec-common.md (mov<mode>): Likewise.
3337 2009-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3339         * config/arm/arm.c (arm_override_options): Enable scheduling for
3340         Thumb-2.
3342 2009-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3344         PR target/10127
3345         PR ada/20548
3346         * expr.h (anti_adjust_stack_and_probe): Declare.
3347         * explow.c (anti_adjust_stack_and_probe): Make global, add ADJUST_BACK
3348         parameter and rewrite head comment.
3349         (allocate_dynamic_stack_space): Adjust call to above function.
3350         * function.c (expand_function_end): Handle STACK_CHECK_MOVING_SP.
3352         * tree.h (dwarf2out_args_size): Delete.
3353         * dwarf2out.c (dwarf2out_args_size): Make static and move around.
3354         (dwarf2out_args_size_adjust): Delete prototype and move around.
3355         (dwarf2out_frame_debug_expr): Do not record arg size adjustments for
3356         ACCUMULATE_OUTGOING_ARGS targets.
3358 2009-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3360         * config/sparc/sparc.c (print_operand) <')'>: Test for a non-null
3361         DECL_SIZE of DECL_RESULT before evaluating it.
3363 2009-11-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3365         PR tree-optimization/41987
3366         * fold-const.c (const_binop): Avoid using fold_buildN().
3368 2009-11-10  Martin Jambor  <mjambor@suse.cz>
3370         * tree-pass.h (struct ipa_opt_pass_d): Added stmt_fixup field.
3371         (execute_all_ipa_stmt_fixups): Declare.
3372         * ipa-cp.c (pass_ipa_cp): Added stmt_fixup value.
3373         * ipa-inline.c (pass_ipa_inline): Likewise.
3374         * ipa-pure-const.c (pass_ipa_pure_cons): Likewise.
3375         * ipa-reference.c (pass_ipa_reference): Likewise.
3376         * ipa.c (pass_ipa_whole_program_visibility): Likewise.
3377         * lto-streamer-out.c (pass_ipa_lto_gimple_out): Likewise.
3378         (pass_ipa_lto_finish_out): Likewise.
3379         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Likewise.
3380         * passes.c (execute_ipa_stmt_fixups): New function.
3381         (execute_all_ipa_stmt_fixups): New function.
3382         * lto-streamer-in.c (input_function): Call execute_all_ipa_stmt_fixups.
3384 2009-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3386         PR ada/20548
3387         * explow.c (probe_stack_range): Fix typo.
3388         * config/sparc/sparc.md (probe_stack): New expander.
3390 2009-11-09  Dave Korn  <dave.korn.cygwin@gmail.com>
3392         * config/i386/cygwin.h (LINK_SPEC): Add -tsaware flag if !mno-cygwin.
3394 2009-11-09  Jason Merrill  <jason@redhat.com>
3396         * gdbinit.in (pgq): New function for printing gimple sequence.
3398 2009-11-09  Paul Brook  <paul@codesourcery.com>
3399             Daniel Jacobowitz  <dan@codesourcery.com>
3400             Sandra Loosemore  <sandra@codesourcery.com>
3402         * doc/extend.texi (Half-Precision): Update wording to reflect
3403         that there are now multiple -mfpu options that enable fp16
3404         hardware support.
3405         * doc/invoke.texi: Update list of ARM -mfpu= options.
3406         * config.gcc: Update ARM --with-fpu option list.
3407         * config/arm/arm.c (all_fpus): Add vfpv3-fp16, vfpv3-d16-fp16,
3408         vfpv3xd and vfpv3xd-fp16.
3409         (use_vfp_abi): New function.
3410         (aapcs_vfp_is_call_or_return_candidate): Avoid double precision regs
3411         when undesirable.
3412         (aapcs_vfp_is_return_candidate, aapcs_vfp_is_call_candidate,
3413         aapcs_vfp_allocate_return_reg): Use use_vfp_abi.
3414         (arm_rtx_costs_1, arm_size_rtx_costs, arm_fastmul_rtx_costs,
3415         arm_9e_rtx_costs): Only expect double-precision operations if the FPU
3416         provides them.
3417         (coproc_secondary_reload_class): Reload HFmode via GENERAL_REGS if no
3418         NEON.
3419         (arm_print_operand): Handle 'p' modifier.
3420         (arm_hard_regno_mode_ok): : Allow HFmode in VFP registers if
3421         TARGET_FP16.
3422         * config/arm/arm.h (TARGET_VFP_SINGLE, TARGET_VFP_DOUBLE): Define.
3423         (TARGET_FP16): Define.
3424         * config/arm/vfp.md: Disable double-precision patterns if the FPU
3425         does not provide them.
3426         (arm_movdi_vfp, thumb2_movdi_vfp): Use fcpys to move
3427         double-precision values on a single-precision FPU.
3428         (movdf_vfp, thumb2_movdf_vfp): Likewise.  Use "Dy" for
3429         double-precision constants.
3430         (movhf_vfp_neon): New pattern (was movhf_vfp).
3431         (movhf_vfp): Remove NEON instructions.
3432         * config/arm/constraints.md: Add new "Dy" constraint for
3433         double-precision constants.  Update description of "Dv".
3434         * config/arm/arm.md: Disable double-precision patterns if the FPU
3435         does not provide them
3437 2009-11-09  Jakub Jelinek  <jakub@redhat.com>
3439         * config/i386/i386.c (print_operand) <case 'D'>: Fix formatting.
3440         (print_operand) <case 'Y'>: Likewise.  Fix a pasto in operand lossage
3441         diagnostics.
3443 2009-11-08  H.J. Lu  <hongjiu.lu@intel.com>
3445         * collect2.c (main): Search PLUGIN_LD for plugin linker.
3447         * configure.ac (--with-plugin-ld): New.  Default to ld.
3448         * configure: Regenerated.
3449         * config.in: Likewise.
3451         * exec-tool.in (ORIGINAL_PLUGIN_LD_FOR_TARGET): New.
3452         (collect-ld): Use ORIGINAL_PLUGIN_LD_FOR_TARGET for -plugin.
3454 2009-11-08  Jonathan Gray  <jsg@openbsd.org>
3456         * config/openbsd-stdint.h: Change to reflect what
3457         c_common_nodes_and_builtins expects.
3459 2009-11-08  Paolo Carlini  <paolo.carlini@oracle.com>
3461         * builtins.c (apply_args_reg_offset): Remove commented out delaration.
3463 2009-11-08  Jakub Jelinek  <jakub@redhat.com>
3465         PR target/41985
3466         * config/i386/i386.c (get_some_local_dynamic_name): Don't assert
3467         function contains at least one local dynamic name.
3468         (print_operand) <case '&'>: Instead output operand lossage diagnostics
3469         here if that happens.
3471 2009-11-08  Zbigniew Chamski  <zbigniew.chamski@gmail.com>
3472             Joern Rennecke  <amylaar@spamcop.net>
3474         * cfgrtl.c (pass_free_cfg): Add pass name.
3475         * cgraphbuild.c (pass_build_cgraph_edges): Likewise.
3476         (pass_rebuild_cgraph_edges, pass_remove_cgraph_callee_edges): Likewise.
3477         * dce.c (pass_ud_rtl_dce, pass_fast_rtl_dce): Change pass name.
3478         * df-core.c (pass_df_initialize_no_opt): Likewise.
3479         * except.c (pass_rtl_eh): Likewise.
3480         * function.c (pass_init_function, pass_leaf_regs): Likewise.
3481         * gcse.c (pass_rtl_pre): Change pass name.
3482         * passes.c (pass_postreload): Add pass name.
3483         (make_pass_instance): Don't use duplicate-tracking logic for
3484         names starting with '*'.
3485         (next_pass_1): Assert that pass has a name.
3486         (register_one_dump_file): If there is an space in the name,
3487         skip past it.
3488         * predict.c (pass_strip_predict_hints): Add pass name.
3489         * reg-stack.c (pass_stack_regs): Likewise.
3490         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
3491         * tree-cfg.c (pass_warn_function_return,
3492         pass_warn_function_noreturn): Add pass name.
3493         * tree-dfa.c (pass_referenced_vars): Likewise.
3494         * tree-optimize.c (pass_cleanup_cfg_post_optimizing):
3495         Fix whitespace before comment.
3496         (pass_fixup_cfg): Add pass name, fix whitespace before comment.
3497         (pass_init_datastructures): Add pass name.
3498         * tree-ssa-loop.c (pass_record_bounds): Likewise.
3499         * tree-ssa.c (pass_early_warn_uninitialized,
3500         pass_late_warn_uninitialized): Likewise.
3501         * tree.c (pass_ipa_free_lang_data): Likewise.
3502         * doc/passes.texi (pass manager): Document how to disambiguate
3503         pass names.
3505 2009-11-08  Paolo Bonzini  <bonzini@gnu.org>
3507         * df-problems.c: Fix documentation for forward simulation of LR.
3508         (df_simulate_one_insn_forwards): Use df_simulate_find_defs.
3509         (df_simulate_finalize_forwards): Remove.
3510         * df.h (df_simulate_finalize_forwards): Remove.
3512 2009-11-08  Richard Guenther  <rguenther@suse.de>
3514         * tree-ssa-structalias.c (build_succ_graph): Properly make
3515         variables escape if they are stored to anything.
3517 2009-11-08  Richard Guenther  <rguenther@suse.de>
3519         PR rtl-optimization/41928
3520         * loop-invariant.c (free_loop_data): If we didn't allocate
3521         loop data do not try to free it.
3523 2009-11-07  Jason Merrill  <jason@redhat.com>
3525         * tree.c (reconstruct_complex_type): Preserve attributes.
3527 2009-11-07  Richard Guenther  <rguenther@suse.de>
3529         * tree-ssa-structalias.c (build_succ_graph): Feed stores
3530         to anything only to variables that can take pointers.
3531         (get_constraint_for_ssa_var): Properly exclude full
3532         variables from expanding.
3533         (first_vi_for_offset): Avoid overflow in arithmetic.
3534         (first_or_preceding_vi_for_offset): Likewise.
3535         (count_num_arguments): Fix implementation.
3536         (gate_ipa_pta): Do not run when not optimizing.
3538 2009-11-07  David Binderman <dcb314@hotmail.com>
3540         * builtins.c (apply_args_size, expand_builtin_mathfn, expand_powi,
3541         expand_builtin_expect, maybe_emit_sprintf_chk_warning): Remove some
3542         set but not used variables.
3543         (apply_args_reg_offset): Comment out as unused.
3544         * calls.c (flags_from_decl_or_type): Likewise.
3545         * genautomata.c (check_regexp_units_distribution): Likewise.
3547 2009-11-07  Uros Bizjak  <ubizjak@gmail.com>
3549         * config/i386/sse.md (xop_pmacsww, xop_pmacssww, xop_pmacsdd,
3550         xop_pmacssdd, xop_pmacssdql, xop_pmacssdqh, xop_pmacsdql,
3551         *xop_pmacsdql_mem, xop_pmacsdqh, *xop_pmacsdqh_mem, xop_pmacsswd,
3552         xop_pmacswd, xop_pmadcsswd, xop_pmadcswd, xop_pcmov_<mode>,
3553         xop_pcmov_<mode>256, xop_pperm, xop_pperm_pack_v2di_v4si,
3554         xop_pperm_pack_v4si_v8hi, xop_pperm_pack_v8hi_v16qi): Compress
3555         operand alternatives.
3557 2009-11-06  Michael Matz  <matz@suse.de>
3559         PR middle-end/41963
3560         * tree-ssa-math-opts.c (execute_cse_reciprocals): Check all uses
3561         of a potential reciprocal to really be reciprocals.
3563 2009-11-06  Jakub Jelinek  <jakub@redhat.com>
3565         * config/i386/x86intrin.h: Include fma4intrin.h, xopintrin.h and
3566         lwpintrin.h after immintrin.h.
3567         * config/i386/fma4intrin.h (__v8sf, __v4df, __m256, __m256d): Remove
3568         typedefs.
3570         PR middle-end/41935
3571         * c-common.c (fold_offsetof_1) <case ARRAY_REF>: Don't crash for VLAs
3572         or non-constant index, allow index one past the last element and
3573         allow exceeding array bound in arrays that might be used as flexible
3574         array members.
3576 2009-11-05  Richard Henderson  <rth@redhat.com>
3578         * config/i386/ia32intrin.h: Protect CRC32 builtins with __SSE4_2__.
3580 2009-11-05  Paul Brook  <paul@codesourcery.com>
3582         * config/arm/arm.c (arm_fp_model, arm_fpu_arch, arm_fpu_tune): Remove.
3583         (arm_fpu_desc): New.
3584         (all_fpus): Add FPU details.
3585         (fp_model_for_fpu): Remove.
3586         (arm_override_options): Set and use arm_fpu_desc and arm_fpu_attr.
3587         (arm_output_epilogue, arm_save_coproc_regs): Use TARGET_FPA_EMU2.
3588         (arm_file_start): Use arm_fpu_desc.
3589         * config/arm/arm.h (TARGET_FPA, TARGET_MAVERICK, TARGET_VFP,
3590         TARGET_VFPD32, TARGET_VFP3, TARGET_NEON_FP16, TARGET_NEON): Use
3591         arm_fpu_desc.
3592         (TARGET_FPA_EMU2): Define.
3593         (arm_fp_model, fputype, arm_fpu_tune): Remove.
3594         (vfp_reg_type, arm_fpu_desc): New.
3595         * config/arm/arm.md (attr fpu): Simplify.
3596         * config/arm/fpa.md (movxf_fpa): Use TARGET_FPA_EMU2.
3597         * config/arm/linux-elf.h (FPUTYPE_DEFAULT): Use string value.
3598         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Use string value.
3599         * config/arm/netbsd-elf.h (FPUTYPE_DEFAULT): Use string value.
3600         * config/arm/vxworks.h (FPUTYPE_DEFAULT): Use string value.
3602 2009-11-05  Michael Matz  <matz@suse.de>
3604         * config/i386/i386.c (ix86_builtin_reciprocal): Remove dependency
3605         on TARGET_RECIP.
3606         * doc/invoke.texi (-mrecip): Clarify that we don't need -mrecip
3607         for 1/sqrtf.
3609 2009-11-04  Jason Merrill  <jason@redhat.com>
3611         PR c++/36912
3612         * varasm.c (initializer_constant_valid_p): A PLUS_EXPR
3613         or MINUS_EXPR of REAL_TYPE is not a valid constant initializer.
3614         (output_constant): Avoid crash after error.
3616 2009-11-05  Martin Jambor  <mjambor@suse.cz>
3618         * tree-sra.c (struct access): Changed comment of next_sibling field.
3619         (analyze_modified_params): Loop over accesses of a group rather than
3620         over all with the ame base, pass a common bitmap to
3621         walk_aliased_vdefs.
3622         (unmodified_by_ref_scalar_representative): Build link lists of
3623         accesses of a group.
3624         (splice_param_accesses): Likewise.
3626 2009-11-04  Kenneth Zadeck  <zadeck@naturalbridge.com>
3628         * df-scan.c (df-uses-record): Add case zero_extract of mem.
3630 2009-11-04  Eric Botcazou  <ebotcazou@adacore.com>
3632         PR target/10127
3633         PR ada/20548
3634         * config/i386/i386.md (probe_stack): New expander.
3635         (logical operation peepholes): Do not split stack checking probes.
3637 2009-11-04  Harsha Jagasia  <harsha.jagasia@amd.com>
3638             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3640         * doc/invoke.texi (-mlwp): Add documentation.
3641         * doc/extend.texi (x86 intrinsics): Add LWP intrinsics.
3642         * config.gcc (i[34567]86-*-*): Include lwpintrin.h.
3643         (x86_64-*-*): Ditto.
3644         * config/i386/lwpintrin.h: New file, provide x86 compiler
3645         intrinisics for LWP.
3646         * config/i386/cpuid.h (bit_LWP): Define LWP bit.
3647         * config/i386/x86intrin.h: Add LWP check and lwpintrin.h.
3648         * config/i386/i386-c.c (ix86_target_macros_internal): Check
3649         ISA_FLAG for LWP.
3650         * config/i386/i386.h (TARGET_LWP): New macro for LWP.
3651         * config/i386/i386.opt (-mlwp): New switch for LWP support.
3652         * config/i386/i386.c (OPTION_MASK_ISA_LWP_SET): New.
3653         (OPTION_MASK_ISA_LWP_UNSET): New.
3654         (ix86_handle_option): Handle -mlwp.
3655         (isa_opts): Handle -mlwp.
3656         (enum pta_flags): Add PTA_LWP.
3657         (override_options): Add LWP support.
3658         (IX86_BUILTIN_LLWPCB16): New for LWP intrinsic.
3659         (IX86_BUILTIN_LLWPCB32): Ditto.
3660         (IX86_BUILTIN_LLWPCB64): Ditto.
3661         (IX86_BUILTIN_SLWPCB16): Ditto.
3662         (IX86_BUILTIN_SLWPCB32): Ditto.
3663         (IX86_BUILTIN_SLWPCB64): Ditto.
3664         (IX86_BUILTIN_LWPVAL16): Ditto.
3665         (IX86_BUILTIN_LWPVAL32): Ditto.
3666         (IX86_BUILTIN_LWPVAL64): Ditto.
3667         (IX86_BUILTIN_LWPINS16): Ditto.
3668         (IX86_BUILTIN_LWPINS32): Ditto.
3669         (IX86_BUILTIN_LWPINS64): Ditto.
3670         (enum  ix86_special_builtin_type): Add LWP intrinsic support.
3671         (builtin_description): Ditto.
3672         (ix86_init_mmx_sse_builtins): Ditto.
3673         (ix86_expand_special_args_builtin): Ditto.
3674         * config/i386/i386.md (UNSPEC_LLWP_INTRINSIC): Add new UNSPEC for
3675         LWP support.
3676         (UNSPEC_SLWP_INTRINSIC): Ditto.
3677         (UNSPECV_LWPVAL_INTRINSIC): Ditto.
3678         (UNSPECV_LWPINS_INTRINSIC): Ditto.
3679         (lwp_llwpcbhi1): New lwp pattern.
3680         (lwp_llwpcbsi1): Ditto.
3681         (lwp_llwpcbdi1): Ditto.
3682         (lwp_slwpcbhi1): Ditto.
3683         (lwp_slwpcbsi1): Ditto.
3684         (lwp_slwpcbdi1): Ditto.
3685         (lwp_lwpvalhi3): Ditto.
3686         (lwp_lwpvalsi3): Ditto.
3687         (lwp_lwpvaldi3): Ditto.
3688         (lwp_lwpinshi3): Ditto.
3689         (lwp_lwpinssi3): Ditto.
3690         (lwp_lwpinsdi3): Ditto.
3692 2009-11-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3693             Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
3695         PR rtl-opt/41833
3696         * simplify-rtx.c (simplify_binary_operation_1): Simplify vec_select of
3697         a vec_duplicate.
3699 2009-11-04  Richard Guenther  <rguenther@suse.de>
3700             Rafael Avila de Espindola  <espindola@google.com>
3702         * gcc.c (process_command): Handle arguments name@offset.
3704 2009-11-04  Harsha Jagasia  <harsha.jagasia@amd.com>
3705             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3707         * config.gcc (i[34567]86-*-*): Include xopintrin.h.
3708         (x86_64-*-*): Ditto.
3709         * config/i386/xopintrin.h: New file, provide common x86 compiler
3710         intrinisics for XOP.
3711         * config/i386/cpuid.h (bit_XOP): Define XOP bit.
3712         * config/i386/x86intrin.h: Add XOP check and xopintrin.h.
3713         * config/i386/i386-c.c(ix86_target_macros_internal): Check
3714         ISA_FLAG for XOP.
3715         * config/i386/i386.h(TARGET_XOP): New macro for XOP.
3716         * config/i386/i386.opt (-mxop): New switch for XOP support.
3717         * config/i386/i386.md (UNSPEC_XOP_UNSIGNED_CMP)
3718         (UNSPEC_XOP_TRUEFALSE)
3719         (UNSPEC_XOP_PERMUTE)
3720         (UNSPEC_FRCZ): Add new UNSPEC for XOP support.
3721         (PPERM_*): New constants for vpperm instruction.
3722         (xop_pcmov_<mode>): Add XOP conditional mov instructions.
3723         * config/i386/i386.c (OPTION_MASK_ISA_XOP_SET): New.
3724         (OPTION_MASK_ISA_XOP_UNSET): New.
3725         (OPTION_MASK_ISA_XOP_UNSET): Change definition to depend on XOP.
3726         (ix86_handle_option): Handle -mxop.
3727         (isa_opts): Handle -mxop.
3728         (enum pta_flags): Add PTA_XOP.
3729         (override_options): Add XOP support.
3730         (print_operand): Add code for XOP compare instructions.
3731         (ix86_expand_sse_movcc): Extend for XOP conditional move instruction.
3732         (ix86_expand_int_vcond): Extend for XOP compare instruction.
3734         (IX86_BUILTIN_VPCMOV): New for XOP intrinsic.
3735         (IX86_BUILTIN_VPCMOV_V2DI): Ditto.
3736         (IX86_BUILTIN_VPCMOV_V4SI): Ditto.
3737         (IX86_BUILTIN_VPCMOV_V8HI): Ditto.
3738         (IX86_BUILTIN_VPCMOV_V16QI): Ditto.
3739         (IX86_BUILTIN_VPCMOV_V4SF): Ditto.
3740         (IX86_BUILTIN_VPCMOV_V2DF): Ditto.
3742         (IX86_BUILTIN_VPCMOV256): Ditto.
3743         (IX86_BUILTIN_VPCMOV_V4DI256): Ditto.
3744         (IX86_BUILTIN_VPCMOV_V8SI256): Ditto.
3745         (IX86_BUILTIN_VPCMOV_V16HI256): Ditto.
3746         (IX86_BUILTIN_VPCMOV_V32QI256): Ditto.
3747         (IX86_BUILTIN_VPCMOV_V8SF256): Ditto.
3748         (IX86_BUILTIN_VPCMOV_V4DF256): Ditto.
3750         (IX86_BUILTIN_VPPERM): Ditto.
3752         (IX86_BUILTIN_VPMACSSWW): Ditto.
3753         (IX86_BUILTIN_VPMACSWW): Ditto.
3754         (IX86_BUILTIN_VPMACSSWD): Ditto.
3755         (IX86_BUILTIN_VPMACSWD): Ditto.
3756         (IX86_BUILTIN_VPMACSSDD): Ditto.
3757         (IX86_BUILTIN_VPMACSDD): Ditto.
3758         (IX86_BUILTIN_VPMACSSDQL): Ditto.
3759         (IX86_BUILTIN_VPMACSSDQH): Ditto.
3760         (IX86_BUILTIN_VPMACSDQL): Ditto.
3761         (IX86_BUILTIN_VPMACSDQH): Ditto.
3762         (IX86_BUILTIN_VPMADCSSWD): Ditto.
3763         (IX86_BUILTIN_VPMADCSWD): Ditto.
3765         (IX86_BUILTIN_VPHADDBW): Ditto.
3766         (IX86_BUILTIN_VPHADDBD): Ditto.
3767         (IX86_BUILTIN_VPHADDBQ): Ditto.
3768         (IX86_BUILTIN_VPHADDWD): Ditto.
3769         (IX86_BUILTIN_VPHADDWQ): Ditto.
3770         (IX86_BUILTIN_VPHADDDQ): Ditto.
3771         (IX86_BUILTIN_VPHADDUBW): Ditto.
3772         (IX86_BUILTIN_VPHADDUBD): Ditto.
3773         (IX86_BUILTIN_VPHADDUBQ): Ditto.
3774         (IX86_BUILTIN_VPHADDUWD): Ditto.
3775         (IX86_BUILTIN_VPHADDUWQ): Ditto.
3776         (IX86_BUILTIN_VPHADDUDQ): Ditto.
3777         (IX86_BUILTIN_VPHSUBBW): Ditto.
3778         (IX86_BUILTIN_VPHSUBWD): Ditto.
3779         (IX86_BUILTIN_VPHSUBDQ): Ditto.
3781         (IX86_BUILTIN_VPROTB): Ditto.
3782         (IX86_BUILTIN_VPROTW): Ditto.
3783         (IX86_BUILTIN_VPROTD): Ditto.
3784         (IX86_BUILTIN_VPROTQ): Ditto.
3785         (IX86_BUILTIN_VPROTB_IMM): Ditto.
3786         (IX86_BUILTIN_VPROTW_IMM): Ditto.
3787         (IX86_BUILTIN_VPROTD_IMM): Ditto.
3788         (IX86_BUILTIN_VPROTQ_IMM): Ditto.
3790         (IX86_BUILTIN_VPSHLB): Ditto.
3791         (IX86_BUILTIN_VPSHLW): Ditto.
3792         (IX86_BUILTIN_VPSHLD): Ditto.
3793         (IX86_BUILTIN_VPSHLQ): Ditto.
3794         (IX86_BUILTIN_VPSHAB): Ditto.
3795         (IX86_BUILTIN_VPSHAW): Ditto.
3796         (IX86_BUILTIN_VPSHAD): Ditto.
3797         (IX86_BUILTIN_VPSHAQ): Ditto.
3799         (IX86_BUILTIN_VFRCZSS): Ditto.
3800         (IX86_BUILTIN_VFRCZSD): Ditto.
3801         (IX86_BUILTIN_VFRCZPS): Ditto.
3802         (IX86_BUILTIN_VFRCZPD): Ditto.
3803         (IX86_BUILTIN_VFRCZPS256): Ditto.
3804         (IX86_BUILTIN_VFRCZPD256): Ditto.
3806         (IX86_BUILTIN_VPCOMEQUB): Ditto.
3807         (IX86_BUILTIN_VPCOMNEUB): Ditto.
3808         (IX86_BUILTIN_VPCOMLTUB): Ditto.
3809         (IX86_BUILTIN_VPCOMLEUB): Ditto.
3810         (IX86_BUILTIN_VPCOMGTUB): Ditto.
3811         (IX86_BUILTIN_VPCOMGEUB): Ditto.
3812         (IX86_BUILTIN_VPCOMFALSEUB): Ditto.
3813         (IX86_BUILTIN_VPCOMTRUEUB): Ditto.
3815         (IX86_BUILTIN_VPCOMEQUW): Ditto.
3816         (IX86_BUILTIN_VPCOMNEUW): Ditto.
3817         (IX86_BUILTIN_VPCOMLTUW): Ditto.
3818         (IX86_BUILTIN_VPCOMLEUW): Ditto.
3819         (IX86_BUILTIN_VPCOMGTUW): Ditto.
3820         (IX86_BUILTIN_VPCOMGEUW): Ditto.
3821         (IX86_BUILTIN_VPCOMFALSEUW): Ditto.
3822         (IX86_BUILTIN_VPCOMTRUEUW): Ditto.
3824         (IX86_BUILTIN_VPCOMEQUD): Ditto.
3825         (IX86_BUILTIN_VPCOMNEUD): Ditto.
3826         (IX86_BUILTIN_VPCOMLTUD): Ditto.
3827         (IX86_BUILTIN_VPCOMLEUD): Ditto.
3828         (IX86_BUILTIN_VPCOMGTUD): Ditto.
3829         (IX86_BUILTIN_VPCOMGEUD): Ditto.
3830         (IX86_BUILTIN_VPCOMFALSEUD): Ditto.
3831         (IX86_BUILTIN_VPCOMTRUEUD): Ditto.
3833         (IX86_BUILTIN_VPCOMEQUQ): Ditto.
3834         (IX86_BUILTIN_VPCOMNEUQ): Ditto.
3835         (IX86_BUILTIN_VPCOMLTUQ): Ditto.
3836         (IX86_BUILTIN_VPCOMLEUQ): Ditto.
3837         (IX86_BUILTIN_VPCOMGTUQ): Ditto.
3838         (IX86_BUILTIN_VPCOMGEUQ): Ditto.
3839         (IX86_BUILTIN_VPCOMFALSEUQ): Ditto.
3840         (IX86_BUILTIN_VPCOMTRUEUQ): Ditto.
3842         (IX86_BUILTIN_VPCOMEQB): Ditto.
3843         (IX86_BUILTIN_VPCOMNEB): Ditto.
3844         (IX86_BUILTIN_VPCOMLTB): Ditto.
3845         (IX86_BUILTIN_VPCOMLEB): Ditto.
3846         (IX86_BUILTIN_VPCOMGTB): Ditto.
3847         (IX86_BUILTIN_VPCOMGEB): Ditto.
3848         (IX86_BUILTIN_VPCOMFALSEB): Ditto.
3849         (IX86_BUILTIN_VPCOMTRUEB): Ditto.
3851         (IX86_BUILTIN_VPCOMEQW): Ditto.
3852         (IX86_BUILTIN_VPCOMNEW): Ditto.
3853         (IX86_BUILTIN_VPCOMLTW): Ditto.
3854         (IX86_BUILTIN_VPCOMLEW): Ditto.
3855         (IX86_BUILTIN_VPCOMGTW): Ditto.
3856         (IX86_BUILTIN_VPCOMGEW): Ditto.
3857         (IX86_BUILTIN_VPCOMFALSEW): Ditto.
3858         (IX86_BUILTIN_VPCOMTRUEW): Ditto.
3860         (IX86_BUILTIN_VPCOMEQD): Ditto.
3861         (IX86_BUILTIN_VPCOMNED): Ditto.
3862         (IX86_BUILTIN_VPCOMLTD): Ditto.
3863         (IX86_BUILTIN_VPCOMLED): Ditto.
3864         (IX86_BUILTIN_VPCOMGTD): Ditto.
3865         (IX86_BUILTIN_VPCOMGED): Ditto.
3866         (IX86_BUILTIN_VPCOMFALSED): Ditto.
3867         (IX86_BUILTIN_VPCOMTRUED): Ditto.
3869         (IX86_BUILTIN_VPCOMEQQ): Ditto.
3870         (IX86_BUILTIN_VPCOMNEQ): Ditto.
3871         (IX86_BUILTIN_VPCOMLTQ): Ditto.
3872         (IX86_BUILTIN_VPCOMLEQ): Ditto.
3873         (IX86_BUILTIN_VPCOMGTQ): Ditto.
3874         (IX86_BUILTIN_VPCOMGEQ): Ditto.
3875         (IX86_BUILTIN_VPCOMFALSEQ): Ditto.
3876         (IX86_BUILTIN_VPCOMTRUEQ): Ditto.
3878         (enum multi_arg_type): New enum for describing the various XOP
3879         intrinsic argument types.
3880         (bdesc_multi_arg): New table for XOP intrinsics.
3881         (ix86_init_mmx_sse_builtins): Add XOP intrinsic support.
3882         (ix86_expand_multi_arg_builtin): New function for creating XOP
3883         intrinsics.
3885         * config/i386/sse.md (sserotatemax): New mode attribute for XOP.
3886         (xop_pmacsww): Ditto.
3887         (xop_pmacssww): Ditto.
3888         (xop_pmacsdd): Ditto.
3889         (xop_pmacssdd): Ditto.
3890         (xop_pmacssdql): Ditto.
3891         (xop_pmacssdqh): Ditto.
3892         (xop_pmacsdql): Ditto.
3893         (xop_pmacsdql_mem): Ditto.
3894         (xop_mulv2div2di3_low): Ditto.
3895         (xop_pmacsdqh): Ditto.
3896         (xop_pmacsdqh_mem): Ditto.
3897         (xop_mulv2div2di3_high): Ditto.
3898         (xop_pmacsswd): Ditto.
3899         (xop_pmacswd): Ditto.
3900         (xop_pmadcsswd): Ditto.
3901         (xop_pmadcswd): Ditto.
3902         (xop_pcmov_<mode>): Ditto.
3903         (xop_pcmov_<mode>256): Ditto.
3904         (xop_phaddbw): Ditto.
3905         (xop_phaddbd): Ditto.
3906         (xop_phaddbq): Ditto.
3907         (xop_phaddwd): Ditto.
3908         (xop_phaddwq): Ditto.
3909         (xop_phadddq): Ditto.
3910         (xop_phaddubw): Ditto.
3911         (xop_phaddubd): Ditto.
3912         (xop_phaddubq): Ditto.
3913         (xop_phadduwd): Ditto.
3914         (xop_phadduwq): Ditto.
3915         (xop_phaddudq): Ditto.
3916         (xop_phsubbw): Ditto.
3917         (xop_phsubwd): Ditto.
3918         (xop_phsubdq): Ditto.
3919         (xop_pperm): Ditto.
3920         (rotl<mode>3): Ditto.
3921         (rotr<mode>3): Ditto.
3922         (xop_rotl<mode>3): Ditto.
3923         (xop_rotr<mode>3): Ditto.
3924         (vrotr<mode>3): Ditto.
3925         (vrotl<mode>3): Ditto.
3926         (xop_vrotl<mode>3): Ditto.
3927         (vlshr<mode>3): Ditto.
3928         (vashr<mode>3): Ditto.
3929         (vashl<mode>3
3930         (xop_ashl<mode>3): Ditto.
3931         (xop_lshl<mode>3): Ditto.
3932         (ashlv16qi3): Ditto.
3933         (lshlv16qi3): Ditto.
3934         (ashrv16qi3): Ditto.
3935         (ashrv2di3): Ditto.
3936         (xop_frcz<mode>2): Ditto.
3937         (xop_vmfrcz<mode>2): Ditto.
3938         (xop_frcz<mode>2256): Ditto.
3939         (xop_maskcmp<mode>3): Ditto.
3940         (xop_maskcmp_uns<mode>3): Ditto.
3941         (xop_maskcmp_uns2<mode>3): Ditto.
3942         (xop_pcom_tf<mode>3): Ditto.
3944         * doc/invoke.texi (-mxop): Add documentation.
3945         * doc/extend.texi (x86 intrinsics): Add XOP intrinsics.
3947 2009-11-03  Mark Mitchell  <mark@codesourcery.com>
3949         PR driver/11810
3950         * gcc.c (SWITCHES_NEED_SPACES): Define to "o".
3951         * config/alpha/osf.h (SWITCHES_NEED_SPACES): Remove here.
3952         * config/mips/iris.h (SWITCHES_NEED_SPACES): Remove here.
3954 2009-11-04  Richard Earnshaw  <rearnsha@arm.com>
3956         PR target/40835
3957         * arm.md (peephole2 patterns for move and compare): New.
3959 2009-11-04  Nick Clifton  <nickc@redhat.com>
3961         * defaults.h (CONSTANT_ADDRESS_P): Provide a default definition.
3962         Make sure that it does not allow CONST_DOUBLEs.
3963         * doc/tm.texi (CONSTANT_ADDRESS_P): Update description.
3964         * config/avr/avr.h (CONSTANT_ADDRESS_P): Delete.
3965         * config/bfin/bfin.h (CONSTANT_ADDRESS_P): Delete.
3966         * config/cris/cris.h (CONSTANT_ADDRESS_P): Delete.
3967         * config/fr30/fr30.h (CONSTANT_ADDRESS_P): Delete.
3968         * config/frv/frv.h (CONSTANT_ADDRESS_P): Delete.
3969         * config/m32c/m32c.h (CONSTANT_ADDRESS_P): Delete.
3970         * config/m68hc11/m68hc11.h (CONSTANT_ADDRESS_P): Delete.
3971         * config/mep/mep.h (CONSTANT_ADDRESS_P): Delete.
3972         * config/mn10300/mn10300.h (CONSTANT_ADDRESS_P): Delete.
3973         * config/moxie/moxie.h (CONSTANT_ADDRESS_P): Delete.
3974         * config/pdp11/pdp11.h (CONSTANT_ADDRESS_P): Delete.
3975         * config/picochip/picochip.h (CONSTANT_ADDRESS_P): Delete.
3976         * config/score/score.h (CONSTANT_ADDRESS_P): Delete.
3977         * config/stormy16/stormy16.h (CONSTANT_ADDRESS_P): Delete.
3979 2009-11-04  Richard Guenther  <rguenther@suse.de>
3981         PR tree-optimization/41919
3982         * tree-vrp.c (test_for_singularity): Properly compare values.
3984 2009-11-04  Revital Eres  <eres@il.ibm.com>
3986         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
3987         Consider peeling for alignment only for stores and remove
3988         redundant assignment.
3990 2009-11-04  Maxim Kuvyrkov  <maxim@codesourcery.com>
3992         PR target/41302
3993         * config/m68k/m68k.c (m68k_reg_present_p): New static function.
3994         (m68k_ok_for_sibcall_p): Handle different result return locations.
3996 2009-11-04  Richard Guenther  <rguenther@suse.de>
3998         * c-opts.c (c_common_post_options): Move LTO option processing
3999         code ...
4000         * opts.c (decode_options): ... here.
4002 2009-11-04  Jakub Jelinek  <jakub@redhat.com>
4004         * c-common.c (fold_offsetof_1): Use %wd instead of
4005         HOST_WIDE_INT_PRINT_DEC.
4007 2009-11-04  Maciej W. Rozycki  <macro@linux-mips.org>
4009         * config/vax/linux.h (TARGET_OS_CPP_BUILTINS): Don't define
4010         __pic__ or __PIC__.
4012 2009-11-04  Maciej W. Rozycki  <macro@linux-mips.org>
4014         * config.gcc (vax-*-linux*): Keep the original contents of
4015         tmake_file while adding vax/t-linux.
4017 2009-11-03  Eric Botcazou  <ebotcazou@adacore.com>
4019         PR target/10127
4020         PR ada/20548
4021         * expr.h (STACK_CHECK_PROBE_INTERVAL): Delete.
4022         (STACK_CHECK_PROBE_INTERVAL_EXP): New macro.
4023         (STACK_CHECK_MOVING_SP): Likewise.
4024         * system.h (STACK_CHECK_PROBE_INTERVAL): Poison it.
4025         * doc/tm.texi (Stack Checking): Delete STACK_CHECK_PROBE_INTERVAL.
4026         Document STACK_CHECK_PROBE_INTERVAL_EXP and STACK_CHECK_MOVING_SP.
4027         * doc/md.texi (Standard Pattern Names): Tweak entry of CHECK_STACK.
4028         Document PROBE_STACK.
4029         * explow.c (anti_adjust_stack_and_probe): New function.
4030         (allocate_dynamic_stack_space): Do not directly allocate space if
4031         STACK_CHECK_MOVING_SP, instead invoke above function.
4032         (emit_stack_probe): Handle probe_stack insn.
4033         (PROBE_INTERVAL): New macro.
4034         (STACK_GROW_OPTAB): Likewise.
4035         (STACK_GROW_OFF): Likewise.
4036         (probe_stack_range): Use Pmode and memory_address consistently.  Fix
4037         loop condition in the small constant case.  Rewrite in the general
4038         case to be immune to wraparounds.  Make sure the address of probes
4039         is valid.  Try to use [base + disp] addressing mode if possible.
4040         * ira.c (setup_eliminable_regset): Set frame_pointer_needed if stack
4041         checking is enabled and STACK_CHECK_MOVING_SP.
4042         * rtlanal.c (may_trap_p_1) <MEM>: If stack checking is enabled,
4043         return 1 for volatile references to the stack pointer.
4044         * tree.c (build_common_builtin_nodes): Do not set ECF_NOTHROW on
4045         __builtin_alloca if stack checking is enabled.
4046         * unwind-dw2.c (uw_identify_context): Take into account whether the
4047         context is that of a signal frame or not.
4048         * config/i386/linux.h (STACK_CHECK_MOVING_SP): Define to 1.
4049         * config/i386/linux64.h (STACK_CHECK_MOVING_SP): Likewise.
4051 2009-11-03  Jakub Jelinek  <jakub@redhat.com>
4053         PR rtl-optimization/41917
4054         * rtlanal.c (num_sign_bit_copies1) <case UMOD>: If sign bit of second
4055         operand isn't known to be 0, return 1.
4057 2009-11-03  Richard Sandiford  <rdsandiford@googlemail.com>
4059         * config/mips/mips.md: Fix typos.
4061 2009-11-03  Richard Sandiford  <rdsandiford@googlemail.com>
4063         * doc/invoke.texi: Fix typo.
4065 2009-11-03  Paul Brook  <paul@codesourcery.com>
4067         * config/arm/neon.ml (vectype): Add T_floatSF.
4068         (string_of_vectype): Ditto.
4069         * config/arm/neon-gen.ml (signed_ctype): Add T_floatSF.
4070         (deftypes): Use float for float32_t.
4071         * config/arm/arm_neon.h: Regenerate.
4073 2009-11-03  Nick Clifton  <nickc@redhat.com>
4074             Kevin Buettner  <kevinb@redhat.com>
4076         * config/rx/predicates.md (rx_store_multiple_vector): Reverse
4077         order of expected registers.
4078         (rx_load_multiple_vector): Likewise.
4079         (rx_rtsd_vector): Likewise.
4080         * config/rx/rx.c (rx_cpu_type): New variable.
4081         (rx_print_operand): Fix bug printing 64-bit constant values.
4082         (rx_emit_stack_pushm): Reverse order of pushed registers.
4083         (gen_rx_store_vector): Likewise.
4084         (is_fast_interrupt_func): Only accept "fast_interrupt" as the
4085         attribute name.
4086         (is_exception_func): Rename to is_interrupt_func and only accept
4087         "interrupt" as the attribute name.
4088         (rx_get_stack_layout): Use new function name.
4089         (rx_func_attr_inlinable): Likewise.
4090         (rx_attribute_table): Remove "exception".
4091         (rx_expand_prologue): If necessary push the accumulator register
4092         in the prologue of interrupt functions.
4093         (rx_expand_epilogue): If necessary pop the accumulator.
4094         (rx_builtins): Add RX_BUILTIN_MVTIPL.
4095         (rx_expand_builtin_stz): Remove.
4096         (rx_expand_builtin_mvtipl): New function.
4097         (rx_init_builtins): Handle RX_BUILTIN_MVTIPL.
4098         (rx_expand_builtin): Likewise.
4099         (rx_enable_fpu): New variable.
4100         (rx_handle_option): Handle -fpu, -nofpu, -mcpu and -patch.
4101         * config/rx/rx.h (TARGET_CPU_CPP_BUILTINS): Assert machine based
4102         on rx_cpu_type.  Define __RX_FPU_INSNS__ if FPU insns are allowed.
4103         (enum rx_cpu_types): Define.
4104         (ASM_SPEC): Pass -m32bit-doubles on to assembler.
4105         (INCOMING_FRAME_SP_OFFSET): Define.
4106         (ARG_POINTER_CFA_OFFSET): Define.
4107         (FRAME_POINTER_CFA_OFFSET): Define.
4108         (OVERRIDE_OPTIONS): Enable fast math if RX FPU insns are enabled.
4109         (ALLOW_RX_FPU_INSNS): Define.
4110         * config/rx/rx.md: Test ALLOW_RX_FPU_INSNS instead of
4111         fast_math_flags_set_p.
4112         (UNSPEC_BUILTIN_MVTIPL): Define.
4113         (revl): Rename to bswapsi2.
4114         (bswaphi2): New pattern.
4115         (mvtachi): Mark as volatile because it uses a register unknown to GCC.
4116         (mvtaclo): Likewise.
4117         (racw): Likewise.
4118         (mvtc): Remove clobber of cc0.
4119         (mvtcp): Delete.
4120         (opecp): Delete.
4121         * config/rx/rx.opt (mieee): Remove.
4122         (fpu): Add.
4123         (nofpu): Add.
4124         (mcpu=): Add.
4125         (patch=): Add.
4126         (msave-acc-in-interrupts): Add.
4127         * config/rx/t-rx (MULTILIB_OPTIONS): Change default to 64bit doubles.
4128         (MULTILIB_DIRS): Likewise.
4129         (MULTILIB_MATCHES): Treat -fpu as an alias for -m32bit-doubles.
4130         * doc/extend.texi: Remove description of "exception" function
4131         attribute.
4132         * doc/invoke.texi: Document -fpu, -nofpu, -mcpu=, -patch= and
4133         -msave-acc-in-interrupts options.
4135 2009-11-03  Richard Guenther  <rguenther@suse.de>
4137         * c-common.c (fold_offsetof_1): Use HOST_WIDE_INT_PRINT_DEC.
4139 2009-11-03  Dodji Seketeli  <dodji@redhat.com>
4141         PR c++/38699
4142         * c-common.c (fold_offsetof_1): Issue errors when the member
4143         designator of the offsetof expression is not legitimate.
4145 2009-11-03  Uros Bizjak  <ubizjak@gmail.com>
4147         * config/i386/i386.md (*call_value_1_rex64_ms_sysv): Use register
4148         names instead of numerical constants.
4149         (sse_prologue_save): Ditto.
4150         (*sse_prologue_save_insn): Ditto.
4152 2009-11-03  Uros Bizjak  <ubizjak@gmail.com>
4154         PR target/41900
4155         * config/i386/i386.h (ix86_arch_indices) <X86_ARCH_CALL_ESP>: New.
4156         (TARGET_CALL_ESP): New define.
4157         * config/i386/i386.c (initial_ix86_tune_features): Initialize
4158         X86_ARCH_CALL_ESP.
4159         * config/i386/i386.md (*call_pop_1_esp, *call_1_esp,
4160         *call_value_pop_1_esp, *call_value_1_esp): Rename from *call_pop_1,
4161         *call_1, *call_value_pop_1 and *call_value_1.  Depend on
4162         TARGET_CALL_ESP.
4163         (*call_pop_1, *call_1, *call_value_pop_1, *call_value_1):
4164         New patterns, use "lsm" as operand 1 constraint.
4165         * config/i386/predicates.md (call_insn_operand): Depend on
4166         index_register_operand for !TARGET_CALL_ESP to avoid %esp register.
4168 2009-11-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4170         PR tree-optimization/41857
4171         * tree-flow.h (rewrite_use_address): Add BASE_HINT argument.
4172         * tree-ssa-loop-ivopts.c (rewrite_use_address): Pass base hint
4173         to create_mem_ref.
4174         * tree-ssa-address.c (move_hint_to_base): New function.
4175         (most_expensive_mult_to_index): Add TYPE argument.  Use mode and
4176         address space associated with TYPE.
4177         (addr_to_parts): Add TYPE and BASE_HINT arguments.  Pass TYPE to
4178         most_expensive_mult_to_index.  Call move_hint_to_base.
4179         (create_mem_ref): Add BASE_HINT argument.  Pass BASE_HINT and
4180         TYPE to addr_to_parts.
4182 2009-11-02  Martin Jambor  <mjambor@suse.cz>
4184         PR tree-optimization/41750
4185         * tree-sra.c (analyze_modified_params): Loop over all
4186         representatives of components of a parameter.
4188 2009-11-02  Jakub Jelinek  <jakub@redhat.com>
4190         PR tree-optimization/41841
4191         * ipa-struct-reorg.c (build_data_structure): Don't attempt to look at
4192         local variables of not yet materialized clones.
4194         PR debug/41893
4195         * cfgexpand.c (expand_debug_expr): Don't attempt to create DECL_RTL
4196         for a VOIDmode variable.
4198         PR c++/41774
4199         * c-pragma.c (visstack): Change into vector of ints rather than
4200         enum symbol_visibility.
4201         (push_visibility): Add kind argument, push default_visibility together
4202         with kind.
4203         (pop_visibility): Add kind argument, return true if successful, fail
4204         if visibility stack is empty or if stack top is of different kind.
4205         (handle_pragma_visibility): Don't check length of visstack, instead
4206         call pop_visibility and issue diagnostics if it failed.  Pass 0
4207         as last argument to push_visibility and pop_visibility.
4208         * c-pragma.h (push_visibility): Add kind argument.
4209         (pop_visibility): Likewise.  Return bool instead of void.
4211 2009-11-01  Eric Botcazou  <ebotcazou@adacore.com>
4213         * tree.def (TARGET_MEM_REF): Update comment.
4214         * alias.c (get_alias_set): Retrieve the original memory reference for
4215         a TARGET_MEM_REF before proceeding.
4217 2009-10-31  Anatoly Sokolov  <aesok@post.ru>
4219         * config/frv/frv.c (frv_function_value, frv_libcall_value,
4220         frv_function_value_regno_p): New functions.
4221         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
4222         * config/frv/frv.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
4223         (FUNCTION_VALUE_REGNO_P): Redefine, use frv_function_value_regno_p.
4224         * config/frv/frv-protos.h (frv_function_value_regno_p): Declare.
4226 2009-10-31  Anatoly Sokolov  <aesok@post.ru>
4228         * config/mn10300/mn10300.c (mn10300_function_value): Make static, add
4229         new 'outgoing' argument.
4230         (mn10300_libcall_value, mn10300_function_value_regno_p): New functions.
4231         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
4232         * config/mn10300/mn10300.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
4233         LIBCALL_VALUE): Remove.
4234         (FUNCTION_VALUE_REGNO_P): Redefine, use mn10300_function_value_regno_p.
4235         * config/mn10300/mn10300-protos.h (mn10300_function_value): Remove.
4236         (mh10300_function_value_regno_p): Declare.
4238 2009-10-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4240         * config/arm/cortex-a9.md: New - integer pipeline description.
4242 2009-10-31  Eric Botcazou  <ebotcazou@adacore.com>
4244         * tree-ssa-sccvn.c (vn_reference_lookup_3): Bail out instead of
4245         aborting if the sizes of the two references don't match.
4247 2009-10-31  Toon Moene  <toon@moene.org>
4249         * ipa-inline.c (cgraph_decide_inlining):
4250         Include reason for not inlining called-once functions in dump file.
4252 2009-10-30  Daniel Gutson  <dgutson@codesourcery.com>
4254         * config/arm/linux-eabi.h (LINK_SPEC): BE8_LINK_SPEC added.
4255         * config/arm/bpapi.h (BE8_LINK_SPEC): New define.
4256         (LINK_SPEC): BE_LINK_SPEC added.
4258 2009-10-30  Richard Guenther  <rguenther@suse.de>
4260         PR lto/41858
4261         * lto-streamer.h (struct lto_file_decl_data): Remove fd member.
4263 2009-10-30  Nathan Sidwell  <nathan@codesourcery.com>
4265         * target-def.h (TARGET_ASM_TTYPE): Correct typo of TARGET_ARM_TTYPE.
4266         * config/arm/unwind-arm.c (__gnu_Unwind_Backtrace): Remove unused
4267         label.
4269 2009-10-30  Martin Jambor  <mjambor@suse.cz>
4271         * tree-sra.c (build_ref_for_offset_1): Remove a comment.
4273 2009-10-30  H.J. Lu  <hongjiu.lu@intel.com>
4275         PR target/40838
4276         * cfgexpand.c (expand_stack_alignment): Call update_stack_boundary
4277         first.  Move assert on stack_alignment_estimated just before
4278         setting stack_realign_needed.
4279         (gimple_expand_cfg): Initialize stack_alignment_estimated to 0.
4280         Don't call update_stack_boundary.
4282         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): New.
4283         (verride_options): Don't check ix86_force_align_arg_pointer here.
4284         (ix86_function_ok_for_sibcall): Use it.
4285         (ix86_update_stack_boundary): Likewise.
4287         * config/i386/i386.h (STACK_REALIGN_DEFAULT): Update comments.
4289 2009-10-30  Richard Earnshaw  <rearnsha@arm.com>
4291         * arm.md (QHSI): New mode iterator.
4292         (movqi): If generating for thumb, then truncate any immediate to
4293         8 bits.
4294         * thumb2.md (thumb2_movsi_shortim and peephole2 generator): Replace
4295         with...
4296         (thumb2_mov<mode>_shortim and peephole2 generator): ... iterator based
4297         version.
4299 2009-10-29  Cary Coutant  <ccoutant@google.com>
4301         PR debug/41700
4302         * dwarf2out.c (dwarf2_debug_hooks): Add entries for new hook (two
4303         locations in the source).
4304         (store_vcall_insn): New function.
4305         (lookup_vcall_insn): New function.
4306         (dwarf2out_virtual_call_token): Use store_vcall_insn.
4307         (dwarf2out_copy_call_info): New function.
4308         (dwarf2out_virtual_call): Use lookup_vcall_insn.
4309         * emit-rtl.c (try_split): Call copy_call_info debug hook.
4310         * debug.h (struct gcc_debug_hooks): Add copy_call_info hook.
4311         * debug.c (do_nothing_debug_hooks): Add dummy entry for new hook.
4312         (debug_nothing_rtx_rtx): New dummy hook.
4313         * dbxout.c (dbx_debug_hooks): Add dummy entry for new hook.
4314         (xcoff_debug_hooks): Likewise.
4315         * sdbout.c (sdb_debug_hooks): Likewise.
4316         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
4318 2009-10-29  David Daney  <ddaney@caviumnetworks.com>
4320         * doc/invoke.texi (mmcount-ra-address): Document new command line
4321         option.
4322         * config/mips/mips.opt (mmcount-ra-address): New option.
4323         * config/mips/mips-protos.h (mips_function_profiler): Declare new
4324         function.
4325         * config/mips/mips.c (struct mips_frame_info): Add ra_fp_offset
4326         member.
4327         (mips_for_each_saved_gpr_and_fpr): Set ra_fp_offset.
4328         (mips_function_profiler): Moved from FUNCTION_PROFILER, and
4329         rewritten.
4330         * config/mips/mips.h (FUNCTION_PROFILER): Body of macro moved to
4331         mips_function_profiler.
4333 2009-10-29  Steve Ellcey  <sje@cup.hp.com>
4335         PR middle-end/37565
4336         PR target/38018
4337         * doc/tm.texi (OVERRIDE_OPTIONS): Update.
4338         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): New.
4339         * optc-gen.awk (cl_target_option_restore): Include call to
4340         targetm.override_options_after_change.
4341         * target-def.h (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): New.
4342         * target.h (override_options_after_change): New.
4343         * c-common.c (parse_optimize_options): Call
4344         targetm.override_options_after_change.
4345         * config/ia64/ia64.c (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): New.
4346         (ia64_override_options_after_change): New.
4347         (ia64_override_options) Add call to above.
4349 2009-10-29  Michael Matz  <matz@suse.de>
4351         * tree-ssa-math-opts.c (execute_convert_to_rsqrt): Remove.
4352         (gate_convert_to_rsqrt): Ditto.
4353         (pass_convert_to_rsqrt): Ditto.
4354         * tree-pass.h (pass_convert_to_rsqrt): Don't declare.
4355         * passes.c (init_optimization_passes): Don't add pass_convert_to_rsqrt
4356         to pass list.
4358         * config/i386/i386.c (ix86_emit_swdivsf): Change evaluation order.
4360 2009-10-29  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4362         * config/arm/arm.c (find_best_start): Fix type of remainder to be
4363         unsigned.
4365 2009-10-29  Martin Jambor  <mjambor@suse.cz>
4367         PR tree-optimization/41775
4368         * tree-sra.c (build_ref_for_offset): Unshare *expr if not NULL.
4369         (generate_subtree_copies): Do not unshare agg.
4370         (load_assign_lhs_subreplacements): Do not unshare rhs.
4371         (sra_modify_assign): Do not unshare exprs.
4372         (propagate_subacesses_accross_link): Renamed to
4373         propagate_subaccesses_across_link.
4375 2009-10-29  Richard Earnshaw  <rearnsha@arm.com>
4377         * arm.c (count_insns_for_constant): Rework to support counting for
4378         thumb2 immediates as well.
4379         (find_best_start): Split out from arm_gen_constant.
4380         (arm_gen_constant): Rework to support XOR with immediate.
4382 2009-10-29  Chao-ying Fu  <fu@mips.com>
4384         * config/mips/mips.c (mips_emit_unary, mips_force_unary): New
4385         functions.
4386         (mips_expand_synci_loop):  Use the length rtx to control the
4387         synci loop from the begin rtx that points to the first byte of
4388         the cache line.
4390 2009-10-28  Rafael Avila de Espindola  <espindola@google.com>
4392         * doc/invoke.texi: Rename -use-linker-plugin -fuse-linker-plugin.
4394 2009-10-28  Rafael Avila de Espindola  <espindola@google.com>
4396         * dbxout.c (dbxout_common_check): Accept non public trees.
4397         * dwarf2out.c (fortran_common): Accept non public trees.
4399 2009-10-28  Rafael Avila de Espindola  <espindola@google.com>
4401         * common.opt (fuse-linker-plugin): New option.
4402         * gcc.c (LINK_COMMAND_SPEC, main): Rename use-linker-plugin to
4403         fuse-linker-plugin.
4404         * opts.c (common_handle_option): Ignore OPT_fuse_linker_plugin.
4406 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
4408         PR rtl-optimization/39715
4409         * config/arm/arm.md (cstoresi4): Use gen_cstoresi_ltu_thumb1.
4410         (gen_cstoresi_ltu_thumb1): New splitter.
4412 2009-10-28  Richard Guenther  <rguenther@suse.de>
4414         PR lto/41808
4415         PR lto/41839
4416         * tree-ssa.c (useless_type_conversion_p): Do not treat
4417         conversions to pointers to incomplete types as useless.
4418         * gimple.c (gimple_types_compatible_p): Compare struct tags,
4419         not typedef names.
4421 2009-10-28  Jakub Jelinek  <jakub@redhat.com>
4423         * var-tracking.c (emit_note_insn_var_location): Don't call the second
4424         vt_expand_loc unnecessarily when location is not a register nor
4425         memory.
4427         PR middle-end/41837
4428         * ipa-struct-reorg.c (find_field_in_struct_1): Return NULL if
4429         fields don't have DECL_NAME.
4431         PR debug/41801
4432         * builtins.c (get_builtin_sync_mem): Expand loc in ptr_mode,
4433         call convert_memory_address on addr.
4435         PR target/41762
4436         * config/i386/i386.c (ix86_pic_register_p): Don't call
4437         rtx_equal_for_cselib_p for VALUEs discarded as useless.
4439 2009-10-28  Richard Sandiford  <rdsandiford@googlemail.com>
4441         * var-tracking.c (emit_note_insn_var_location): Get the mode of
4442         a variable part from its REG, MEM or VALUE.
4444 2009-10-28  Richard Guenther  <rguenther@suse.de>
4446         * gimple.c (gimple_get_alias_set): Fix comment typo.
4448 2009-10-28  Richard Guenther  <rguenther@suse.de>
4450         * tree.c (free_lang_data_in_type): Do not call get_alias_set.
4451         (free_lang_data): Unconditionally compute alias sets for all
4452         standard integer types.  Bail out if gate bailed out previously.
4453         Do not reset the types_compatible_p langhook.
4454         (gate_free_lang_data): Remove.
4455         (struct pass_ipa_free_lang_data): Enable unconditionally.
4456         * gimple.c (gimple_get_alias_set): Use the same alias-set for
4457         all pointer types.
4459 2009-10-28  Richard Guenther  <rguenther@suse.de>
4461         PR middle-end/41855
4462         * tree-ssa-alias.c (refs_may_alias_p_1): Deal with CONST_DECLs
4463         (ref_maybe_used_by_call_p_1): Fix bcopy handling.
4464         (call_may_clobber_ref_p_1): Likewise.
4465         * tree-ssa-structalias.c (find_func_aliases): Likewise.
4466         * alias.c (nonoverlapping_memrefs_p): Deal with CONST_DECLs.
4468 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
4470         PR rtl-optimization/41812
4472         Revert:
4473         2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
4475         * df-problems.c (df_md_scratch): New.
4476         (df_md_alloc, df_md_free): Allocate/free it.
4477         (df_md_local_compute): Only include live registers in init.
4478         (df_md_transfer_function): Prune the in-set computed by
4479         the confluence function, and the gen-set too.
4481 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
4483         PR rtl-optimization/39715
4484         * combine.c (simplify_comparison): Use extensions to
4485         widen comparisons.  Try an ANDing first.
4487 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
4489         PR rtl-optimization/40741
4490         * config/arm/arm.c (thumb1_rtx_costs): IOR or XOR with
4491         a small constant is cheap.
4492         * config/arm/arm.md (andsi3, iorsi3): Try to place the result of
4493         force_reg on the LHS.
4494         (xorsi3): Likewise, and split the XOR if the constant is complex
4495         and not in Thumb mode.
4497 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
4499         * expmed.c (emit_store_flag): Check costs before
4500         transforming to the opposite representation.
4502 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
4504         * config/sh/sh.md (cbranchfp4_media): Remove hack extending
4505         cstore result to DImode.
4507 2009-10-28  Kaz Kojima  <kkojima@gcc.gnu.org>
4509         * config/sh/sh.md (stuff_delay_slot): Move const_int pattern
4510         inside the unspec vector.
4512 2009-10-27  Richard Henderson  <rth@redhat.com>
4514         * cgraphunit.c (cgraph_optimize): Maintain timevar stack properly.
4516 2009-10-27  Richard Henderson  <rth@redhat.com>
4518         PR c++/41819
4519         * tree-eh.c (eh_region_may_contain_throw_map): Rename from
4520         eh_region_may_contain_throw; update users.
4521         (eh_region_may_contain_throw): New function.
4522         (lower_catch): Check flag_exceptions before creating exception region.
4523         (lower_eh_filter, lower_eh_must_not_throw): Likewise.
4524         (lower_cleanup): Tidy existing flag_exceptions check to match.
4526 2009-10-27  Kai Tietz <kai.tietz@onevision.com>
4528         PR/41799
4529         * config/i386/mingw32.h (CHECK_EXECUTE_STACK_ENABLED): New macro.
4530         * config/i386/mingw.opt: Add fset-stack-executable.
4531         * config/i386/i386.c (ix86_trampoline_init): Make call to
4532         emit_library_call conditional, if CHECK_EXECUTE_STACK_ENABLED is
4533         defined and its value is not zero.
4534         * doc/invoke.texi
4536 2009-10-27  Richard Guenther  <rguenther@suse.de>
4538         * tree-ssa-structalias.c (find_func_aliases): In IPA mode
4539         handle calls to externally visible functions like in regular mode.
4540         (create_variable_info_for): Do not create function infos here.
4541         (have_alias_info): Remove write-only variable.
4542         (solve_constraints): New function split out from common code
4543         in compute_points_to_sets and ipa_pta_execute.
4544         (compute_points_to_sets): Adjust.
4545         (ipa_pta_execute): Likewise.  Handle clones and externally visible
4546         functions like in non-IPA mode.
4548 2009-10-27  Jakub Jelinek  <jakub@redhat.com>
4550         PR c/41842
4551         * c-typeck.c (convert_arguments): Return -1 if any of the arguments is
4552         error_mark_node.
4554 2009-10-27  Richard Guenther  <rguenther@suse.de>
4556         * tree-complex.c (expand_complex_div_wide): Check for
4557         INTEGER_CST, not TREE_CONSTANT on comparison folding result.
4559 2009-10-27  Revital Eres  <eres@il.ibm.com>
4561         PR tree-optimization/40648
4562         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
4563         Change decision of when to peel for alignment.
4565 2009-10-27  Richard Guenther  <rguenther@suse.de>
4567         PR lto/41821
4568         * gimple.c (gimple_types_compatible_p): Handle OFFSET_TYPE.
4570 2009-10-27  Aldy Hernandez  <aldyh@redhat.com>
4572         PR bootstrap/41451
4573         * fold-const.c (fold_binary_loc): Do not call
4574         protected_set_expr_location.
4576 2009-10-27  Wei Guozhi  <carrot@google.com>
4578         PR target/41705
4579         * target.h (have_conditional_execution): Add a new target hook
4580         function.
4581         * target-def.h (TARGET_HAVE_CONDITIONAL_EXECUTION): Likewise.
4582         * targhooks.h (default_have_conditional_execution): Likewise.
4583         * targhooks.c (default_have_conditional_execution): Likewise.
4584         * doc/tm.texi (TARGET_HAVE_CONDITIONAL_EXECUTION): Document it.
4585         * config/arm/arm.c (TARGET_HAVE_CONDITIONAL_EXECUTION): Define it.
4586         (arm_have_conditional_execution): New function.
4587         * ifcvt.c (noce_process_if_block, find_if_header,
4588         cond_exec_find_if_block, dead_or_predicable): Change the usage of
4589         macro HAVE_conditional_execution to a target hook call.
4590         * recog.c (peephole2_optimize): Likewise.
4591         * sched-rgn.c (add_branch_dependences): Likewise.
4592         * final.c (asm_insn_count, final_scan_insn): Likewise.
4593         * bb-reorder.c (HAVE_conditional_execution): Remove it.
4595 2009-10-26  Ben Elliston  <bje@au.ibm.com>
4596             Michael Meissner  <meissner@linux.vnet.ibm.com>
4597             Ulrich Weigand  <uweigand@de.ibm.com>
4599         * config.gcc (spu-*-elf*): Add spu_cache.h to extra_headers.
4600         * config/spu/spu_cache.h: New file.
4602         * config/spu/cachemgr.c: New file.
4603         * config/spu/cache.S: New file.
4605         * config/spu/spu.h (ASM_OUTPUT_SYMBOL_REF): Define.
4606         (ADDR_SPACE_EA): Define.
4607         (TARGET_ADDR_SPACE_KEYWORDS): Define.
4608         * config/spu/spu.c (EAmode): New macro.
4609         (TARGET_ADDR_SPACE_POINTER_MODE): Define.
4610         (TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise.
4611         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Likewise.
4612         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Likewise.
4613         (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
4614         (TARGET_ADDR_SPACE_CONVERT): Likewise.
4615         (TARGET_ASM_SELECT_SECTION): Likewise.
4616         (TARGET_ASM_UNIQUE_SECTION): Likewise.
4617         (TARGET_ASM_UNALIGNED_SI_OP): Likewise.
4618         (TARGET_ASM_ALIGNED_DI_OP): Likewise.
4619         (ea_symbol_ref): New function.
4620         (spu_legitimate_constant_p): Handle __ea qualified addresses.
4621         (spu_addr_space_legitimate_address_p): New function.
4622         (spu_addr_space_legitimize_address): Likewise.
4623         (cache_fetch): New global.
4624         (cache_fetch_dirty): Likewise.
4625         (ea_alias_set): Likewise.
4626         (ea_load_store): New function.
4627         (ea_load_store_inline): Likewise.
4628         (expand_ea_mem): Likewise.
4629         (spu_expand_mov): Handle __ea qualified memory references.
4630         (spu_addr_space_pointer_mode): New function.
4631         (spu_addr_space_address_mode): Likewise.
4632         (spu_addr_space_subset_p): Likewise.
4633         (spu_addr_space_convert): Likewise.
4634         (spu_section_type_flags): Handle "._ea" section.
4635         (spu_select_section): New function.
4636         (spu_unique_section): Likewise.
4637         * config/spu/spu-c.c (spu_cpu_cpp_builtins): Support __EA32__
4638         and __EA64__ predefined macros.
4639         * config/spu/spu-elf.h (LIB_SPEC): Handle -mcache-size= and
4640         -matomic-updates switches.
4642         * config/spu/t-spu-elf (MULTILIB_OPTIONS): Define.
4643         (EXTRA_MULTILIB_PARTS): Add libgcc_cachemgr.a,
4644         libgcc_cachemgr_nonatomic.a, libgcc_cache8k.a, libgcc_cache16k.a,
4645         libgcc_cache32k.a, libgcc_cache64k.a, libgcc_cache128k.a.
4646         ($(T)cachemgr.o, $(T)cachemgr_nonatomic.o): New target.
4647         ($(T)cache8k.o, $(T)cache16k.o, $(T)cache32k.o, $(T)cache64k.o,
4648         $(T)cache128k.o): Likewise.
4649         ($(T)libgcc_%.a): Likewise.
4651         * config/spu/spu.h (TARGET_DEFAULT): Add MASK_ADDRESS_SPACE_CONVERSION.
4652         * config/spu/spu.opt (-mea32/-mea64): Add switches.
4653         (-maddress-space-conversion): Likewise.
4654         (-mcache-size=): Likewise.
4655         (-matomic-updates): Likewise.
4656         * doc/invoke.texi (-mea32/-mea64): Document.
4657         (-maddress-space-conversion): Likewise.
4658         (-mcache-size=): Likewise.
4659         (-matomic-updates): Likewise.
4661 2009-10-26  Ben Elliston  <bje@au.ibm.com>
4662             Michael Meissner  <meissner@linux.vnet.ibm.com>
4663             Ulrich Weigand  <uweigand@de.ibm.com>
4665         * doc/tm.texi (TARGET_ADDR_SPACE_KEYWORDS): Document.
4667         * c-common.c (c_common_reswords): If TARGET_ADDR_SPACE_KEYWORDS is
4668         defined, add the named address space keywords.
4669         (c_addr_space_name): New function.
4670         (complete_array_type): Preserve named address space.
4671         (handle_mode_attribute): Use targetm.addr_space.valid_pointer_mode
4672         instead of targetm.valid_pointer_mode.
4674         * c-common.h (enum rid): Add RID_ADDR_SPACE_0 .. RID_ADDR_SPACE_15,
4675         RID_FIRST_ADDR_SPACE and RID_LAST_ADDR_SPACE.
4676         (ADDR_SPACE_KEYWORD): New macro.
4677         (c_addr_space_name): Add prototype.
4679         * c-tree.h (struct c_declspecs): Add address_space member.
4680         (declspecs_add_addrspace): Add prototype.
4682         * c-pretty-print.c (pp_c_type_qualifier_list): Handle address spaces.
4684         * c-parser.c (c_parse_init): Add assertion.
4685         (typedef enum c_id_kind): Add C_ID_ADDRSPACE.
4686         (c_lex_one_token): Handle address space keywords.
4687         (c_token_starts_typename): Likewise.
4688         (c_token_starts_declspecs): Likewise.
4689         (c_parser_declspecs): Likewise.
4690         (c_parser_postfix_expression_after_paren_type): Diagnose compound
4691         literal within function qualified with named address space.
4693         * c-decl.c (diagnose_mismatched_decls): Diagnose conflicting named
4694         address space qualifiers.
4695         (shadow_tag_warned): Warn about useless address space qualifiers.
4696         (quals_from_declspecs): Handle address space qualifiers.
4697         (grokdeclarator): Likewise.
4698         (build_null_declspecs): Likewise.
4699         (declspecs_add_addrspace): New function.
4701         * c-typeck.c (addr_space_superset): New function.
4702         (qualify_type): Handle named address spaces.
4703         (composite_type): Likewise.
4704         (common_pointer_type): Likewise.
4705         (comp_target_types): Likewise.
4706         (build_conditional_expr): Likewise.
4707         (handle_warn_cast_qual): Likewise.
4708         (build_c_cast): Likewise.
4709         (convert_for_assignment): Likewise.
4710         (build_binary_op): Likewise.
4711         (pointer_diff): Handle named address spaces.  Use intermediate
4712         integer type of sufficient size if required.
4714 2009-10-26  Ben Elliston  <bje@au.ibm.com>
4715             Michael Meissner  <meissner@linux.vnet.ibm.com>
4716             Ulrich Weigand  <uweigand@de.ibm.com>
4718         * doc/tm.texi (TARGET_ADDR_SPACE_POINTER_MODE): Document.
4719         (TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise.
4720         (TARGET_ADDR_SPACE_VALID_POINTER_MODE): Likewise.
4722         * target.h (struct target_def): Add pointer_mode, address_mode,
4723         and valid_pointer_mode to addr_space substructure.
4724         * target-def.h (TARGET_ADDR_SPACE_POINTER_MODE): Define.
4725         (TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise.
4726         (TARGET_ADDR_SPACE_VALID_POINTER_MODE): Likewise.
4727         (TARGET_ADDR_SPACE_HOOKS): Add them.
4728         * targhooks.c (target_default_pointer_address_modes_p): New function.
4729         * target.h (target_default_pointer_address_modes_p): Add prototype.
4730         * targhooks.c (default_addr_space_pointer_mode): New function.
4731         (default_addr_space_address_mode): Likewise.
4732         (default_addr_space_valid_pointer_mode): Likewise.
4733         * targhooks.h (default_addr_space_pointer_mode): Add prototype.
4734         (default_addr_space_address_mode): Likewise.
4735         (default_addr_space_valid_pointer_mode): Likewise.
4736         * output.h (default_valid_pointer_mode): Move to ...
4737         * targhooks.h (default_valid_pointer_mode): ... here.
4738         * varasm.c (default_valid_pointer_mode): Move to ...
4739         * targhooks.c (default_valid_pointer_mode): ... here.
4741         * varasm.c (output_constant): Use targetm.addr_space.valid_pointer_mode
4742         instead of targetm.valid_pointer_mode.
4744         * fold-const.c (fit_double_type): Use int_or_pointer_precision.
4745         * tree.c (integer_pow2p): Likewise.
4746         (tree_log2): Likewise.
4747         (tree_floor_log2): Likewise.
4748         (signed_or_unsigned_type_for): Support pointer type of different size.
4749         (int_or_pointer_precision): New function.
4750         * tree.h (int_or_pointer_precision): Add prototype.
4751         * stor-layout.c (layout_type): Set TYPE_PRECISION for offset types.
4752         * varasm.c (initializer_constant_valid_p): Use TYPE_PRECISION of
4753         incoming pointer type instead of POINTER_SIZE.
4755         * tree.c (build_pointer_type): Use appropriate pointer mode
4756         instead of ptr_mode.
4757         (build_reference_type): Likewise.
4758         * expr.c (store_expr): Likewise.
4759         (expand_expr_addr_expr): Likewise.
4760         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Likewise.
4761         * cfgexpand.c (expand_debug_expr): Likewise.
4763         * auto-inc-dec.c: Include "target.h".
4764         (try_merge): Use appropriate address mode instead of Pmode.
4765         (find_inc): Likewise.
4766         * combine.c (find_split_point): Likewise.
4767         * cselib.c (cselib_record_sets): Likewise.
4768         * dse.c (replace_inc_dec): Likewise.
4769         (canon_address): Likewise.
4770         * var-tracking.c (replace_expr_with_values): Likewise.
4771         (count_uses): Likewise.
4772         (add_uses): Likewise.
4773         (add_stores): Likewise.
4774         * emit-rtl.c: Include "target.h".
4775         (adjust_address_1): Use appropriate address mode instead of Pmode.
4776         (offset_address): Likewise.
4777         * explow.c (break_out_memory_refs): Likewise.
4778         (memory_address_addr_space): Likewise.
4779         (promote_mode): Likewise.
4780         * expr.c (move_by_pieces): Likewise.
4781         (emit_block_move_via_loop): Likewise.
4782         (store_by_pieces): Likewise.
4783         (store_by_pieces_1): Likewise.
4784         (expand_assignment): Likewise.
4785         (store_constructor): Likewise.
4786         (expand_expr_addr_expr): Likewise.
4787         (expand_expr_real_1): Likewise.
4788         * cfgexpand.c (expand_debug_expr): Likewise.
4789         * ifcvt.c (noce_try_cmove_arith): Likewise.
4790         * regcprop.c (kill_autoinc_value): Likewise.
4791         * regmove.c (try_auto_increment): Likewise.
4792         * reload.c (find_reloads): Likewise.
4793         (find_reloads_address): Likewise.
4794         (find_reloads_address_1): Likewise.
4795         * sched-deps.c: Include "target.h".
4796         (sched_analyze_1): Use appropriate address mode instead of Pmode.
4797         (sched_analyze_2): Likewise.
4798         * sel-sched-dump.c: Include "target.h".
4799         (debug_mem_addr_value): Use appropriate address mode instead of Pmode.
4800         * stor-layout.c (layout_type): Likewise.
4801         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
4802         (multiplier_allowed_in_address_p): Likewise.
4803         (get_address_cost): Likewise.
4804         * varasm.c (make_decl_rtl): Likewise.
4806         * expr.c (expand_assignment): Always convert offsets to appropriate
4807         address mode.
4808         (store_expr): Likewise.
4809         (store_constructor): Likewise.
4810         (expand_expr_real_1): Likewise.
4812         * reload.h (form_sum): Add MODE argument.
4813         * reload.c (form_sum): Add MODE argument, use it instead of Pmode.
4814         Update recursive calls.
4815         (subst_indexed_address): Update calls to form_sum.
4817         * tree-flow.h (addr_for_mem_ref): Add ADDRSPACE argument.
4818         * tree-ssa-address.c: Include "target.h".
4819         (templates): Replace by ...
4820         (mem_addr_template_list): ... this new vector.
4821         (TEMPL_IDX): Handle address space numbers.
4822         (gen_addr_rtx): Add address mode argument, use it instead of Pmode.
4823         (addr_for_mem_ref): Add ADDRSPACE argument.  Use per-address-space
4824         instead of global cache.  Update call to gen_addr_rtx.
4825         (valid_mem_ref_p): Update call to addr_for_mem_ref.
4826         * expr.c (expand_expr_real_1): Update call to addr_for_mem_ref.
4828         * rtl.h (convert_memory_address_addr_space): Add prototype.
4829         (convert_memory_address): Define as macro.
4830         * explow.c (convert_memory_address): Rename to ...
4831         (convert_memory_address_addr_space): ... this.  Add ADDRSPACE argument.
4832         Use appropriate pointer and address modes instead of ptr_mode / Pmode.
4833         Update recursive calls.
4834         (memory_address_addr_space): Call convert_memory_address_addr_space.
4835         * expmed.c (make_tree): Likewise.
4836         * expr.c (expand_assignment): Likewise.
4837         (expand_expr_addr_expr_1): Likewise.  Also, add ADDRSPACE argument.
4838         (expand_expr_addr_expr): Likewise.  Also, update call.
4840         * alias.c (find_base_value): Guard pointer size optimizations.
4841         (find_base_term): Likewise.
4842         * rtlanal.c (nonzero_bits1): Likewise.
4843         (num_sign_bit_copies1): Likewise.
4844         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
4846         * Makefile.in (tree-ssa-address.o): Add $(TARGET_H) dependency.
4847         (emit-rtl.o): Likewise.
4848         (auto-inc-dec.o): Likewise.
4849         (sched-deps.o): Likewise.
4851 2009-10-26  Ben Elliston  <bje@au.ibm.com>
4852             Michael Meissner  <meissner@linux.vnet.ibm.com>
4853             Ulrich Weigand  <uweigand@de.ibm.com>
4855         * doc/extend.texi (Named Address Spaces): New section.
4856         * coretypes.h (addr_space_t): New type.
4857         (ADDR_SPACE_GENERIC): New define.
4858         (ADDR_SPACE_GENERIC_P): New macro.
4860         * doc/tm.texi (Named Address Spaces): New section.
4861         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Document.
4862         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Document.
4863         (TARGET_ADDR_SPACE_SUBSET_P): Document.
4864         (TARGET_ADDR_SPACE_CONVERT): Document.
4865         * target.h (struct gcc_target): Add addr_space substructure.
4866         * target-def.h (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Define.
4867         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Likewise.
4868         (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
4869         (TARGET_ADDR_SPACE_CONVERT): Likewise.
4870         (TARGET_ADDR_SPACE_HOOKS): Likewise.
4871         (TARGET_INITIALIZER): Initialize addr_space hooks.
4872         * targhooks.c (default_addr_space_legitimate_address_p): New function.
4873         (default_addr_space_legitimize_address): Likewise.
4874         (default_addr_space_subset_p): Likewise.
4875         (default_addr_space_convert): Likewise.
4876         * targhooks.h (default_addr_space_legitimate_address_p): Add prototype.
4877         (default_addr_space_legitimize_address): Likewise.
4878         (default_addr_space_subset_p): Likewise.
4879         (default_addr_space_convert): Likewise.
4881         * doc/rtl.texi (MEM_ADDR_SPACE): Document.
4882         * rtl.h (mem_attrs): Add ADDRSPACE memory attribute.
4883         (MEM_ADDR_SPACE): New macro.
4884         * emit-rtl.c (get_mem_attrs): Add ADDRSPACE argument and set
4885         address space memory attribute.
4886         (mem_attrs_htab_hash): Handle address space memory attribute.
4887         (mem_attrs_htab_eq): Likewise.
4888         (set_mem_attributes_minus_bitpos): Likewise.
4889         (set_mem_alias_set): Likewise.
4890         (set_mem_align): Likewise.
4891         (set_mem_expr): Likewise.
4892         (set_mem_offset): Likewise.
4893         (set_mem_size): Likewise.
4894         (adjust_address_1): Likewise.
4895         (offset_address): Likewise.
4896         (widen_memoy_address): Likewise.
4897         (get_spill_slot_decl): Likewise.
4898         (set_mem_attrs_for_spill): Likewise.
4899         (set_mem_addr_space): New function.
4900         * emit-rtl.h (set_mem_addr_space): Add prototype.
4901         * print-rtl.c (print_rtx): Print address space memory attribute.
4902         * expr.c (expand_assignment): Set address space memory attribute
4903         of generated MEM RTXes as appropriate.
4904         (expand_expr_real_1): Likewise.
4905         * cfgexpand.c (expand_debug_expr): Likewise.
4906         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
4908         * tree.h (struct tree_base): Add address_space bitfield.  Reduce
4909         size of "spare" bitfield.
4910         (TYPE_ADDR_SPACE): New macro.
4911         (ENCODE_QUAL_ADDR_SPACE): Likewise.
4912         (DECODE_QUAL_ADDR_SPACE): Likewise.
4913         (CLEAR_QUAL_ADDR_SPACE): Likewise.
4914         (KEEP_QUAL_ADDR_SPACE): Likewise.
4915         (TYPE_QUALS): Encode type address space.
4916         (TYPE_QUALS_NO_ADDR_SPACE): New macro.
4917         * tree.c (set_type_quals): Set type address space.
4918         (build_array_type): Inherit array address space from element type.
4919         * print-tree.c (print_node_brief): Print type address space.
4920         (print_node): Likewise.
4921         * tree-pretty-print.c (dump_generic_node): Likewise.
4923         * explow.c (memory_address): Rename to ...
4924         (memory_address_addr_space): ... this.  Add ADDRSPACE argument.
4925         Use address-space aware variants of memory address routines.
4926         * recog.c (memory_address_p): Rename to ...
4927         (memory_address_addr_space_p): ... this.  Add ADDSPACE argument.
4928         Use address-space aware variants of memory address routines.
4929         (offsettable_address_p): Rename to ...
4930         (offsettable_address_addr_space_p): ... this.  Add ADDRSPACE argument.
4931         Use address-space aware variants of memory address routines.
4932         * reload.c (strict_memory_address_p): Rename to ...
4933         (strict_memory_address_addr_space_p): ... this.  Add ADDSPACE argument.
4934         Use address-space aware variants of memory address routines.
4935         (maybe_memory_address_p): Rename to ...
4936         (maybe_memory_address_addr_space_p): ... this.  Add ADDSPACE argument.
4937         Use address-space aware variants of memory address routines.
4938         * expr.h (memory_address_addr_space): Add prototype.
4939         (memory_address): Define as macro.
4940         * recog.h (memory_address_addr_space_p): Add prototype.
4941         (memory_address_p): Define as macro.
4942         (offsettable_address_addr_space_p): Add prototype.
4943         (offsettable_address_p): Define as macro.
4944         (strict_memory_address_addr_space_p): Add prototype.
4945         (strict_memory_address_p): Define as macro.
4947         * combine.c (find_split_point): Use address-space aware variants
4948         of memory address routines.
4949         * emit-rtl.c (operand_subword): Likewise.
4950         (change_address_1): Likewise.
4951         (adjust_address_1): Likewise.
4952         (offset_address): Likewise.
4953         * expr.c (emit_move_insn): Likewise.
4954         (expand_assignment): Likewise.
4955         (expand_expr_real_1): Likewise.
4956         * recog.c (verify_changes): Likewise.
4957         (general_operand): Likewise.
4958         (offsettable_memref_p): Likewise.
4959         (offsettable_nonstrict_memref_p): Likewise.
4960         (constrain_operands): Likewise.
4961         * reload.c (get_secondary_mem): Likewise.
4962         (find_reloads_toplev): Likewise.
4963         (find_reloads_address): Likewise.
4964         (find_reloads_subreg_address): Likewise.
4965         * reload1.c (reload): Likewise.
4966         * rtlhooks.c (gen_lowpart_if_possible): Likewise.
4967         * rtl.h (address_cost): Add ADDRSPACE argument.
4968         * rtlanal.c (address_cost): Add ADDRSPACE argument.  Use address-space
4969         aware variant of memory address routines.
4970         * loop-invariant.c (create_new_invariant): Update address_cost call.
4971         * tree-ssa-loop-ivopts.c (computation_cost): Likewise.
4972         * fwprop.c (should_replace_address): Add ADDRSPACE argument.
4973         Use address-space aware variant of memory address routines.
4974         (propagate_rtx_1): Update call to should_replace_address.
4975         * tree-flow.h (multiplier_allowed_in_address_p): Add ADDRSPACE
4976         argument.
4977         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Add
4978         ADDRSPACE argument.  Use per-address-space instead of global cache.
4979         Use address-space aware variant of memory address routines.
4980         (get_address_cost): Likewise.
4981         (get_computation_cost_at): Update calls.
4982         * tree-ssa-address.c (valid_mem_ref_p): Add ADDRSPACE argument.
4983         Use address-space aware variant of memory address routines.
4984         (create_mem_ref_raw): Update call to valid_mem_ref_p.
4985         (most_expensive_mult_to_index): Update call to
4986         multiplier_allowed_in_address_p.
4988         * dwarf2out.c (modified_type_die): Output DW_AT_address_class
4989         attribute to indicate named address spaces.
4991         * varasm.c (get_variable_section): DECLs in named address spaces
4992         cannot be "common".
4994         * reload.c (find_reloads_address): Do not use LEGITIMIZE_RELOAD_ADDRESS
4995         for addresses in a non-generic address space.
4997         * expr.c (emit_block_move_hints): Do not use libcalls for
4998         memory in non-generic address spaces.
4999         (clear_storage_hints): Likewise.
5000         (expand_assignment): Likewise.
5002         * fold-const.c (operand_equal_p): Expressions refering to different
5003         address spaces are not equivalent.
5005         * rtl.c (rtx_equal_p_cb): MEMs refering to different address
5006         spaces are not equivalent.
5007         (rtx_equal_p): Likewise.
5008         * cse.c (exp_equiv_p): Likewise.
5009         * jump.c (rtx_renumbered_equal_p): Likewise.
5010         * reload.c (operands_match_p): Likewise.
5012         * alias.c (nonoverlapping_memrefs_p): MEMs refering to different
5013         address spaces may alias.
5014         (true_dependence): Likewise.
5015         (canon_true_dependence): Likewise.
5016         (write_dependence_p): Likewise.
5018         * dse.c (canon_address): Handle named address spaces.
5019         * ifcvt.c (noce_try_cmove_arith): Likewise.
5021         * tree.def (ADDR_SPACE_CONVERT_EXPR): New tree code.
5022         * expr.c (expand_expr_real_2): Expand ADDR_SPACE_CONVERT_EXPR.
5023         * convert.c (convert_to_pointer): Generate ADDR_SPACE_CONVERT_EXPR
5024         to handle conversions between different address spaces.
5025         * fold-const.c (fold_convert_loc): Likewise.
5026         (fold_unary_loc): Handle ADDR_SPACE_CONVERT_EXPR.
5027         * tree-pretty-print.c (dump_generic_node): Likewise.
5028         * gimple-pretty-print.c (dump_unary_rhs): Likewise.
5029         * tree-cfg.c (verify_gimple_assign_unary): Likewise.
5030         * tree-inline.c (estimate_operator_cost): Likewise.
5031         * tree-ssa.c (useless_type_conversion_p): Conversions between pointers
5032         to different address spaces are not useless.
5034 2009-10-26  Jakub Jelinek  <jakub@redhat.com>
5036         PR bootstrap/41345
5037         * cfgcleanup.c (trivially_empty_bb_p): New function.
5038         (try_optimize_bb): Use it instead of checking BB_HEAD == BB_END.
5040         PR debug/41828
5041         * dwarf2out.c (add_pubname, add_pubtype, generic_parameter_die,
5042         add_name_and_src_coords_attributes, gen_namespace_die,
5043         dwarf2out_set_name): Handle dwarf2_name returning NULL.
5045 2009-10-26  Nick Clifton  <nickc@redhat.com>
5047         * config.gcc: Add support for RX target.
5048         * config/rx: New directory.
5049         * config/rx/constraints.md: New file.
5050         * config/rx/predicates.md: New file.
5051         * config/rx/rx.c: New file.
5052         * config/rx/rx.h: New file.
5053         * config/rx/rx.md: New file.
5054         * config/rx/rx.opt: New file.
5055         * config/rx/rx-protos.h: New file.
5056         * config/rx/t-rx: New file.
5057         * doc/extend.texi: Document RX function attributes.
5058         * doc/invoke.texi: Document RX specific command line options.
5059         * doc/contrib.texi: Document RX contribution.
5060         * doc/md.texi: Document RX constraints.
5061         * doc/install.texi: Document RX support.
5063 2009-10-26  Michael Matz  <matz@suse.de>
5065         PR tree-optimization/41783
5066         * tree-ssa-alias.c (get_continuation_for_phi): Export, add a special
5067         case for simple diamonds.
5068         * tree-ssa-alias.h (get_continuation_for_phi): Declare.
5069         * tree-ssa-pre.c (translate_vuse_through_block): Add same_valid
5070         argument, use alias oracle to skip some vdefs.
5071         (phi_translate_1): Change call to above, don't allocate new
5072         value ids if they can stay the same.
5073         (compute_avail): Allow vuse walking when looking up references.
5075 2009-10-26  Richard Guenther  <rguenther@suse.de>
5077         PR tree-optimization/41826
5078         * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Avoid
5079         access to re-allocated vector fields.
5081 2009-10-26  Richard Guenther  <rguenther@suse.de>
5083         * graphite-sese-to-poly.c (check_poly_representation): Fix
5084         compile without checking.
5086 2009-10-26  Janus Weil  <janus@gcc.gnu.org>
5088         PR fortran/41714
5089         * gimple.h (tree_annotate_all_with_location): Remove prototype.
5090         * gimplify.c (tree_should_carry_location_p,
5091         tree_annotate_one_with_location,tree_annotate_all_with_location):
5092         Remove obsolete functions.
5094 2009-10-25  Kaz Kojima  <kkojima@gcc.gnu.org>
5096         PR target/41813
5097         * config/sh/sh.md (stuff_delay_slot): Don't set T_REG in pattern.
5099 2009-10-25  Richard Guenther  <rguenther@suse.de>
5101         * lto-streamer-in.c (unpack_ts_decl_common_value_fields):
5102         Stream DECL_RESTRICTED_P.
5103         * lto-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
5105 2009-10-25  Richard Sandiford  <rdsandiford@googlemail.com>
5107         * config/mips/mips.c (mips_restore_gp_from_cprestore_slot): Emit
5108         a note when expanding to nothing.
5110 2009-10-25  Richard Guenther  <rguenther@suse.de>
5112         PR middle-end/41814
5113         * tree.c (find_decls_types_r): Deal with Java overloading
5114         BINFO_VIRTUALS for its own purpose.
5116 2009-10-24  Adam Nemet  <anemet@caviumnetworks.com>
5118         * config/mips/predicates.md (hilo_operand): New predicate.
5119         * config/mips/mips.md (<u>mulsidi3_64bit): Change it to a
5120         define_insn.  Correct !ISA_HAS_EXT_INS length from 24 to 28.  Move
5121         splitter part from here ...:
5122         (<u>mulsidi3_64bit splitter for !ISA_HAS_EXT_INS): ... to here.  Swap
5123         op0 and op4 to match the DINS case.
5124         (<u>mulsidi3_64bit splitter for ISA_HAS_EXT_INS): New splitter.
5126 2009-10-24  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
5128         PR middle-end/19154
5129         * avr.md (QIDI): Add new mode iterator.
5130         (sbrx_branch<mode>): Create new zero extract bit, test and jump
5131         patterns for all QI thru DI modes combinations.
5132         (sbrx_and_branch<mode>): Create new and based bit test and jump
5133         patterns for QI thru SI modes.
5134         avr.c (avr_out_sbxx_branch): Use only bit number.
5136 2009-10-24  Jan Hubicka  <jh@suse.cz>
5138         * ipa-reference.c (check_call): Noreturn notrhow calls do not write
5139         to memory.
5140         (analyze_function): When analyzing noreturn nothrow call, do not
5141         compute written stats; free bitmaps of vars early if possible.
5142         (generate_summary): Only update bitmaps if computed.
5143         (propagate): Only dump bitmaps if computed.
5144         (ipa_reference_read_summary): Fix pasto.
5146 2009-10-24  Eric Botcazou  <ebotcazou@adacore.com>
5148         * tree-ssa-alias.c (nonaliasing_component_refs_p): Rename into...
5149         (aliasing_component_refs_p): ...this.  Return true if there is no
5150         common base and the base access types have the same alias set.
5151         (indirect_ref_may_alias_decl_p): Adjust for above renaming.
5152         (indirect_refs_may_alias_p): Likewise.
5154 2009-10-23  Joseph Myers  <joseph@codesourcery.com>
5156         PR c/40033
5157         * c-typeck.c (c_finish_stmt_expr): Do not wrap error_mark_node in
5158         a C_MAYBE_CONST_EXPR.
5160 2009-10-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
5162         PR target/41787
5163         * config/rs6000/rs6000.c (struct machine_function): Add
5164         vsx_or_altivec_used_p to record if vector types are used.
5165         (rs6000_expand_to_rtl_hook): Rename from
5166         rs6000_alloc_sdmode_stack_slot.  If VSX, check to see if there are
5167         any vector operations, so if there are, we can set VRSAVE to
5168         non-zero when only floating point vector registers are used.
5169         (TARGET_EXPAND_TO_RTL_HOOK): Use rs6000_expand_to_rtl_hook.
5170         (rs6000_check_vector_mode): Inner function to check if vector
5171         types are used in the code.
5172         (compute_vrsave_mask): If VSX, make sure VRSAVE is non-zero if
5173         vector instructions are used.
5175         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED):
5176         Indicate that VSX registers which overlap floating point
5177         registers, can't be used across a call, since the ABI only states
5178         the scalar part of the register will be saved and restored.
5180 2009-10-23  Joseph Myers  <joseph@codesourcery.com>
5182         PR c/41673
5183         * alias.c (get_alias_set): Call langhook before returning 0 for
5184         types with structural equality.
5185         * c-common.c (c_common_get_alias_set): Use alias set of element
5186         type for arrays with structural comparison.
5188 2009-10-23  Richard Guenther  <rguenther@suse.de>
5190         PR middle-end/41805
5191         * cfgexpand.c (expand_call_stmt): Use gimple_has_side_effects and
5192         gimple_call_nothrow_p.
5194 2009-10-23  Richard Guenther  <rguenther@suse.de>
5196         PR tree-optimization/41778
5197         * tree-ssa-pre.c (do_regular_insertion): Only insert if a
5198         redundancy along a path in the CFG we want to optimize for speed
5199         is going to be removed.
5200         (execute_pre): Do partial-PRE only if the function is to be
5201         optimized for speed.
5202         (gate_pre): Do not turn off all of PRE when not optimizing a
5203         function for speed.
5205 2009-10-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5207         * builtins.c (fold_builtin_cabs): Use validate_arg().
5208         (fold_builtin_cexp): Fix if-logic.
5209         (fold_builtin_1): Check subtype for BUILT_IN_CIMAG.
5211 2009-10-22  Jeff Law  <law@redhat.com>
5213         * ira-lives.c (process_single_reg_class_operands): Update the
5214         hard reg costs for all the hard registers desired by the
5215         single reg class operand.
5217 2009-10-22  Richard Sandiford  <rdsandiford@googlemail.com>
5219         * simplify-rtx.c (simplify_replace_fn_rtx): Add a fallback case
5220         for rtxes that aren't handled specially.
5222 2009-10-22  Richard Sandiford  <rdsandiford@googlemail.com>
5224         * rtl.h (shallow_copy_rtvec): Declare.
5225         * rtl.c (shallow_copy_rtvec): New function.
5226         * cselib.c (cselib_subst_to_values): Use it.  Only modify an
5227         rtx field if the subrtx has changed.
5229 2009-10-22  Anatoly Sokolov  <aesok@post.ru>
5231         * config/m32c/m32c.c (m32c_function_value_regno_p): New function.
5232         (m32c_function_value): Make static, add new 'outgoing' argument.
5233         (m32c_libcall_value): Make static, add new 'fun' argument.
5234         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
5235         * config/m32c/m32c.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
5236         (FUNCTION_VALUE_REGNO_P): Redefine, use m32c_function_value_regno_p.
5237         * config/m32c/m32c-protos.h (m32c_function_value_regno_p): Declare.
5238         (m32c_function_value, m32c_libcall_value): Delete declaration.
5240 2009-10-22  Diego Novillo  <dnovillo@google.com>
5242         * Makefile.in (PLUGIN_HEADERS): Add output.h and IPA_UTILS_H.
5244 2009-10-22  Razya Ladelsky  <razya@il.ibm.com>
5246         * tree-cfg.c (gimple_duplicate_sese_tail): Fix typos/indentation/white
5247         space.
5249 2009-10-22  Richard Guenther  <rguenther@suse.de>
5251         * lto-streamer.h (lto_symtab_merge_cgraph_nodes): Declare.
5252         * lto-symtab.c (struct lto_symtab_entry_def): Add node member.
5253         (lto_symtab_merge): Do not merge cgraph nodes here.
5254         (lto_symtab_resolve_can_prevail_p): Simplify.
5255         (lto_symtab_resolve_symbols): Store cgraph node.
5256         (lto_symtab_merge_decls_1): Simplify.  Do not drop non-prevailing
5257         functions from the symtab.
5258         (lto_symtab_merge_cgraph_nodes_1): New function.
5259         (lto_symtab_merge_cgraph_nodes): Likewise.
5261 2009-10-22  Richard Guenther  <rguenther@suse.de>
5263         PR lto/41791
5264         * lto-streamer-out.c (lto_output_location): Stream the
5265         system header flag.
5266         * lto-streamer-in.c (lto_input_location): Likewise.
5268 2009-10-22  Razya Ladelsky  <razya@il.ibm.com>
5270         * cfgloopmanip.c (duplicate_subloops): Export.
5271         * tree-parloops.c (loop_parallel_p): Dump if loop is innermost.
5272         (transform_to_exit_first_loop): Duplicate bbs starting from
5273         header up to loop->latch instead of exit->src.
5274         Initialize control variable to the correct number of iterations.
5275         (gather_scalar_reductions): Do not register double reductions.
5276         (parallelize_loops): Dump which loop is tested.
5277         Indicate whether the parallelized loop is inner or not.
5278         Remove the innermost-loop requirement.
5279         * cfgloop.h (duplicate_subloops): Export.
5280         * tree-cfg.c (add_phi_args_after_redirect): New function.
5281         (gimple_duplicate_sese_tail): Remove the no-subloops constraint.
5282         Call duplicate_subloops.
5283         Update number of iterations at the exit condition.
5284         Don't redirect nexits always to the loop exit.
5285         Redirect copied edges from latch to the loop exit.
5287 2009-10-22  Jan Hubicka  <jh@suse.cz>
5289         * ipa-cp.c (ipcp_read_summary): Remove now invalid FIXME and
5290         flag_ltrans check.
5291         * ipa-inline.c (cgraph_mark_inline_edge,
5292         cgraph_decide_inlining_of_small_function,
5293         cgraph_decide_inlining, inline_read_summary): Disable indirect
5294         inlining for WPA for time being.
5296         PR tree-optimize/40556
5297         * ipa-inline.c (cgraph_early_inlining): Fix iterations condition.
5299 2009-10-22  Richard Guenther  <rguenther@suse.de>
5301         * lto-streamer.h (lto_symtab_clear_resolution): Remove.
5302         * lto-symtab.c (lto_symtab_clear_resolution): Likewise.
5304 2009-10-22  Jan Hubicka  <jh@suse.cz>
5306         PR lto/41730
5307         * ipa-reference.c (has_proper_scope_for_analysis): Add fixme about
5308         global vars.
5309         (check_call): Handle only indirect calls.
5310         (propagate_bits): Update comment.
5311         (write_node_summary_p): Turn bogus check to assert.
5312         (ipa_reference_write_summary): Stream calls_read_all properly.
5313         (ipa_reference_read_summary): Stream in calls_read_all properly.
5314         (read_write_all_from_decl): New function.
5315         (propagate): Handle OVERWRITABLE nodes and external calls here.
5316         * ipa-pre-const.c (check_call): In IPA mode handle indirect
5317         calls only.
5318         (analyze_function): Do not check visibility here.
5319         (add_new_function): We summary OVERWRITABLE too.
5320         (generate_summary): Stream OVERWRITABLE nodes too.
5321         (propagate): Handle external calls and OVERWRITABLE nodes here.
5322         (local_pure_const): Check visibility here.
5324 2009-10-22  Jan Hubicka  <jh@suse.cz>
5326         * ipa-cp.c (ipcp_write_summary, ipcp_read_summary): New functions.
5327         (pass_ipa_cp): Register them.
5328         (ipcp_init_stage): Analyze all functions for whopr/lto.
5329         (ipcp_propagate_stage): Skip external calls.
5330         (ipcp_iterate_stage): Call ipa_update_after_lto_read if needed.
5331         * ipa-reference.c (write_node_summary_p): Fix thinko about
5332         availability.
5333         * cgraphunit.c (ipa_passes): When in lto, ne er produce new summaries;
5334         when in ltrans, skip executing of ipa passes since everything
5335         should've been done.
5336         * ipa-inline.c (cgraph_decide_inlining): Remove FIXMEs.
5337         (inline_generate_summary): Likewise.
5338         (inline_read_summary): New function.
5339         (inline_write_summary): New function.
5340         (pass_ipa_inline): Register new hooks.
5341         * ipa-prop.c: Inlcude lto-streamer.h
5342         (ipa_edge_args_vector): Update declaration.
5343         (ipa_count_arguments, ipa_compute_jump_functions,
5344         ipa_free_edge_args_substructures): Move ipa_edge_args_vector into ggc.
5345         (ipa_write_jump_function, ipa_read_jump_function, ipa_write_node_info,
5346         ipa_read_node_info): New static functions.
5347         (ipa_prop_write_jump_functions, ipa_prop_read_jump_functions): Update.
5348         (duplicate_array): Use xmalloc.
5349         (duplicate_ggc_array): New.
5350         (ipa_edge_duplication_hook): Use it.
5351         (ipa_update_after_lto_read): New function.
5352         * ipa-prop.h (ipa_prop_write_jump_functions,
5353         ipa_prop_read_jump_functions): Declare.
5354         (ipa_pass_through_data, ipa_ancestor_jf_data, ipa_member_ptr_cst,
5355         jump_func_value, ipa_member_ptr_cst, ipa_edge_args): Add GTY markers.
5356         (ipa_edge_args_vector): Move into GGC.
5357         (ipa_check_create_edge_args): Update.
5358         (ipa_update_after_lto_read): New.
5359         * passes.c (ipa_write_summaries_1): When in wpa, do not write
5360         summaries.
5361         (ipa_read_summaries): When in ltrans, so not read summaries.
5362         * lto-streamer.c (lto_get_section_name): Add
5363         LTO_section_jump_functions.
5364         * lto-streamer.h (LTO_section_jump_functions): New section.
5365         (produce_asm): Declare.
5366         * lto-cgraph.c (output_cgraph): Output edges in reverse order.
5367         * lto-streamer-out.c (produce_asm): Export.
5368         * lto-streamer-in.c: Include tree-pass.h
5369         (input_function): Free dominance info when done.
5370         (lto_read_body): Push ipa_inline in ltrans stage.
5371         * gengtype.c (open_base_files): Add ipa-prop.h into includes.
5372         * Makefile.in (GTFILES): Add ipa-prop.h
5374 2009-10-22  Matthias Klose  <doko@ubuntu.com>
5376         * doc/install.texi: Document --enable-browser-plugin.
5378 2009-10-21  Vladimir Makarov  <vmakarov@redhat.com>
5380         * doc/invoke.texi (fira-loop-pressure): Update default value.
5381         * opts.c (decode_options): Remove default value setting for
5382         flag_ira_loop_pressure.
5383         * config/ia64/ia64.c (ia64_override_options): Set
5384         flag_ira_loop_pressure up for -O3.
5385         * config/rs6000/rs6000.c (rs6000_override_options): Ditto.
5387 2009-10-21  Sebastian Pop  <sebastian.pop@amd.com>
5389         PR tree-optimization/41497
5390         * tree-scalar-evolution.c (analyze_evolution_in_loop): Return
5391         chrec_dont_know if the evolution function returned by follow_ssa_edge
5392         is constant in the analyzed loop and is not compatible with the
5393         initial value before the loop.
5394         * tree-chrec.h (no_evolution_in_loop_p): Call STRIP_NOPS.
5396 2009-10-21  Joseph Myers  <joseph@codesourcery.com>
5398         * config/sh/sh.c (nonpic_symbol_mentioned_p): Allow UNSPEC_TPOFF.
5400 2009-10-21  Jakub Jelinek  <jakub@redhat.com>
5402         PR other/25507
5403         * doc/invoke.texi: Document -print-multi-os-directory.
5405 2009-10-21  Jack Howarth  <howarth@bromo.med.uc.edu>
5407         PR c++/41313
5408         * gcc/config/darwin10.h: Use default_emit_unwind_label.
5409         * gcc/config/darwin.c: Disable -freorder-blocks-and-partition
5410         when darwin_emit_unwind_label is used.
5412 2009-10-21  Eric Botcazou  <ebotcazou@adacore.com>
5414         * tree-vect-stmts.c (exist_non_indexing_operands_for_use_p): Tweak
5415         order of checks.
5417 2009-10-20  Richard Henderson  <rth@redhat.com>
5419         * tree-eh.c (lower_try_finally_copy): Do lower_eh_constructs_1
5420         before emit_post_landing_pad.
5422 2009-10-20  Adam Nemet  <anemet@caviumnetworks.com>
5424         * config/mips/mips.c (mips_binary_cost): Add new argument speed.
5425         Use when calling rtx_costs.
5426         (mips_rtx_costs): Fix formatting.  Use argument speed rather than the
5427         global optimize_size.  Pass speed to mips_binary_cost.
5429 2009-10-20  Jakub Jelinek  <jakub@redhat.com>
5431         * config/rs6000/rs6000.c (def_builtin): Set TREE_READONLY instead
5432         of TREE_CONSTANT.
5434 2009-10-20  Richard Sandiford  <rdsandiford@googlemail.com>
5436         * rtl.h (simplify_replace_fn_rtx): Declare.
5437         (wrap_constant, unwrap_constant): Delete.
5438         * cfgexpand.c (unwrap_constant, wrap_constant): Delete.
5439         (expand_debug_expr): Don't call wrap_constant.
5440         * combine.c (rtx_subst_pair): Only define for AUTO_INC_DEC.
5441         (auto_adjust_pair): Fold into...
5442         (propagate_for_debug_subst): ...here.  Only define for AUTO_INC_DEC.
5443         Just return a new value.
5444         (propagate_for_debug): Use simplify_replace_fn_rtx for AUTO_INC_DEC,
5445         otherwise use simplify_replace_rtx.
5446         * cselib.c (wrap_constant): Reinstate old definition.
5447         (cselib_expand_value_rtx_1): Don't wrap constants.
5448         * gcse.c (try_replace_reg): Don't use copy_rtx in the call to
5449         simplify_replace_rtx.
5450         (bypass_block): Fix formatting in calls to simplify_replace_rtx.
5451         * reload1.c (reload): Skip all uses for an insn before adjusting it.
5452         Use simplify_replace_rtx.
5453         * simplify-rtx.c (simplify_replace_fn_rtx): New function,
5454         adapted from...
5455         (simplify_replace_rtx): ...here.  Turn into a wrapper for
5456         simplify_replace_fn_rtx.
5457         (simplify_unary_operation): Don't unwrap CONSTs.
5458         * var-tracking.c (check_wrap_constant): Delete.
5459         (vt_expand_loc_callback): Don't call it.
5460         (vt_expand_loc): Likewise.
5462 2009-10-20  Pascal Obry  <obry@adacore.com>
5463             Eric Botcazou  <ebotcazou@adacore.com>
5465         * config/i386/cygming.h (DWARF_FRAME_REGNUM): Add enclosing parens.
5467 2009-10-20  Michael Matz  <matz@suse.de>
5469         * loop-invariant.c (create_new_invariant): Use different magic number.
5471 2009-10-20  Richard Earnshaw  <rearnsha@arm.com>
5473         PR target/39247
5474         * arm.c (arm_override_options): Forcibly disable hot/cold block
5475         partitioning.
5477 2009-10-20  Alexandre Oliva  <aoliva@redhat.com>
5479         PR debug/41739
5480         * haifa-sched.c (try_ready): Skip debug deps updating speculation
5481         status.
5483 2009-10-20  Richard Guenther  <rguenther@suse.de>
5485         * ggc-page.c: Include cfgloop.h.
5486         (struct max_alignment): Drop long double, add void *.
5487         (extra_order_size_table): Add low non-power-of-two multiples
5488         of MAX_ALIGNMENT.  Drop small type-based entries, add
5489         tree_type, cgraph_node and loop.
5490         * alloc-pool.c (struct allocation_object_def): Drop long double
5491         aligning element.
5493 2009-10-20  Jakub Jelinek  <jakub@redhat.com>
5495         PR debug/41340
5496         * loop-invariant.c (calculate_loop_reg_pressure): Don't count regs
5497         referenced just in DEBUG_INSNs.
5499 2009-10-20  Richard Guenther  <rguenther@suse.de>
5501         PR lto/41761
5502         * gimple.c (gimple_register_type): Make sure we register
5503         the types main variant first.
5505 2009-10-20  Richard Guenther  <rguenther@suse.de>
5507         * gimple.c (gimple_types_compatible_p): Simplify.  Move
5508         cheap checks before hashtable queries.  Add checks for
5509         TYPE_NONALIASED_COMPONENT and DECL_NONADDRESSABLE_P.
5511 2009-10-20  Eric Botcazou  <ebotcazou@adacore.com>
5513         * tree-sra.c (build_ref_for_offset_1) <RECORD_TYPE>: Skip fields
5514         without size or with size that can't be represented as a host integer.
5516 2009-10-20  Alexandre Oliva  <aoliva@redhat.com>
5518         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't regard
5519         the removal of a debug stmt as a significant change.
5521 2009-10-20  Wolfgang Gellerich  <gellerich@de.ibm.com>
5523         * config/s390/s390.md: Added agen condition to operand
5524         forwarding bypasses.  Added bypass for early address generation
5525         use of int results.  Updated comments.
5527 2009-10-20  Stefan Dösinger  <stefan@codeweavers.com>
5529         * config/i386/i386.c: Remove signal.h #include.
5531 2009-10-20  Jie Zhang  <jie.zhang@analog.com>
5533         * simplify-rtx.c (simplify_const_unary_operation): Handle SS_ABS.
5534         * doc/rtl.texi: Document ss_abs.
5536 2009-10-19  Jakub Jelinek  <jakub@redhat.com>
5538         * c-common.c (c_parse_error): Handle CPP_UTF8STRING.
5539         * c-lex.c (c_lex_with_flags): Likewise.  Test C_LEX_STRING_NO_JOIN
5540         instead of C_LEX_RAW_STRINGS.
5541         (lex_string): Handle CPP_UTF8STRING.
5542         * c-parser.c (c_parser_postfix_expression): Likewise.
5543         * c-pragma.h (C_LEX_RAW_STRINGS): Rename to ...
5544         (C_LEX_STRING_NO_JOIN): ... this.
5546 2009-10-19  Anatoly Sokolov  <aesok@post.ru>
5548         * config/cris/cris.c (cris_function_value, cris_libcall_value,
5549         cris_function_value_regno_p): New functions.
5550         (cris_promote_function_mode): Update comment.
5551         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
5552         * config/cris/cris.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
5553         (FUNCTION_VALUE_REGNO_P): Redefine, use cris_function_value_regno_p.
5554         * config/cris/cris-protos.h (cris_function_value_regno_p): Declare.
5556 2009-10-19  Jakub Jelinek  <jakub@redhat.com>
5558         * unwind-dw2.c (execute_stack_op): Fix operand order for
5559         DW_OP_le, DW_OP_ge, DW_OP_lt and DW_OP_gt.
5561 2009-10-19  Eric Botcazou  <ebotcazou@adacore.com>
5563         * gimple-low.c (struct lower_data): Add cannot_fallthru field.
5564         (lower_stmt) <GIMPLE_BIND>: Add comment.
5565         <GIMPLE_COND, GIMPLE_GOTO, GIMPLE_SWITCH>: Set cannot_fallthru to true
5566         and return.
5567         <GIMPLE_RETURN>: Remove the statement if cannot_fallthru is set.
5568         Otherwise lower it and set cannot_fallthru to true.
5569         <GIMPLE_TRY>: Update cannot_fallthru for GIMPLE_TRY_FINALLY and return.
5570         <GIMPLE_CATCH, GIMPLE_EH_FILTER>: Set cannot_fallthru to false.
5571         <GIMPLE_CALL>: Set cannot_fallthru to false for BUILT_IN_SETJMP and
5572         to true for a noreturn call.  Do not remove statements.
5573         <GIMPLE_OMP_PARALLEL, GIMPLE_OMP_TASK>: Set cannot_fallthru to false.
5574         Set cannot_fallthru to false on function exit.
5575         (gimple_stmt_may_fallthru) <GIMPLE_SWITCH>: Really return false.
5576         <GIMPLE_ASSIGN>: Remove.
5578 2009-10-19  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5580         * config/s390/s390.c (s390_z10_optimize_cmp): Don't touch FP compares.
5582 2009-10-19  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5584         * config/s390/s390.c (s390_z10_optimize_cmp): Use
5585         next/prev_active_insn to skip DEBUG_INSNs as well.
5587 2009-10-19  Joseph Myers  <joseph@codesourcery.com>
5589         * config/arm/arm.c (output_move_neon): Use DImode in call to
5590         adjust_address.
5592 2009-10-19  Matthias Klose  <doko@ubuntu.com>
5594         PR target/40134
5595         * config.gcc (arm*-*-linux-*eabi): Use config/t-slibgcc-libgcc.
5597 2009-10-19  Jakub Jelinek  <jakub@redhat.com>
5599         * cfgexpand.c (expand_debug_expr): Fail if bitpos < 0 for non-MEM op0.
5601 2009-10-17  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
5603         PR middle-end/41738
5604         * optabs.c (expand_binop): Make mode of shift count expression mode
5605         of shift count not target.
5606         Remove indent nit.
5608 2009-10-17  Eric Botcazou  <ebotcazou@adacore.com>
5610         * tree-nested.c (convert_nonlocal_reference_stmt) <GIMPLE_COND>: New
5611         case.  Force using values to replace references within the statement.
5612         (convert_local_reference_stmt): Likewise.
5614 2009-10-17  Eric Botcazou  <ebotcazou@adacore.com>
5616         * gimple-low.c (lower_stmt) <GIMPLE_CALL>: If the call is noreturn,
5617         remove a subsequent GOTO or RETURN statement.
5619 2009-10-17  Andy Hutchinson  <hutchinsonandy@aim.com>
5621         * config/avr.md (*movqi): Add zero as equally preferable constraint
5622         as general register.
5623         (*movhi): Ditto.
5625 2009-10-17  Eric Botcazou  <ebotcazou@adacore.com>
5627         * print-tree.c (print_node): Fix string for DECL_STRUCT_FUNCTION.
5629 2009-10-17  Richard Guenther  <rguenther@suse.de>
5631         * lto-streamer-in.c (lto_input_location): Try to reuse previous maps.
5633 2009-10-17  Richard Guenther  <rguenther@suse.de>
5635         * lto-streamer-in.c (input_gimple_stmt): Fixup FIELD_DECL
5636         operands in COMPONENT_REFs.
5638 2009-10-17  Anatoly Sokolov  <aesok@post.ru>
5640         * targhooks.c (default_libcall_value): Don't use LIBCALL_VALUE macro
5641         if not defined. Change type of second argument to const_rtx.
5642         (default_function_value): Call gcc_unreachable if FUNCTION_VALUE
5643         macro not defined.
5644         * targhooks.h (default_libcall_value): Update prototype.
5645         * target.h (struct gcc_target): Change type of second argument of
5646         libcall_value to const_rtx.
5647         * config/arm/arm.c (arm_libcall_value): Change type of second argument
5648         to const_rtx.
5649         (arm_libcall_uses_aapcs_base): Change type of argument to const_rtx.
5650         * doc/tm.texi (TARGET_LIBCALL_VALUE):  Revise documentation.
5652 2009-10-17  Jakub Jelinek  <jakub@redhat.com>
5654         PR debug/40521
5655         * debug.h (struct gcc_debug_hooks): Add assembly_start hook.
5656         * cgraphunit.c (cgraph_optimize): Call it.
5657         * dwarf2out.c (dwarf2out_init): Move .cfi_sections printing into...
5658         (dwarf2out_assembly_start): ... here.  New hook.
5659         (dwarf2out_debug_hooks): Add dwarf2out_assembly_start.
5660         * debug.c (do_nothing_debug_hooks): Do nothing for assembly_start
5661         hook.
5662         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
5663         * sdbout.c (sdb_debug_hooks): Likewise.
5664         * vmsdbgout.c (vmsdbg_debug_hooks): Add vmsdbgout_assembly_start.
5665         (vmsdbgout_assembly_start): New hook.
5667 2009-10-17  Alexandre Oliva  <aoliva@redhat.com>
5669         * rtl.h (RTL_LOCATION): Fix typo.
5671 2009-10-17  Alexandre Oliva  <aoliva@redhat.com>
5673         * print-rtl.c (print_rtx): Print locators in asm_operands
5674         and asm_input.
5676 2009-10-17  Alexandre Oliva  <aoliva@redhat.com>
5678         PR debug/41535
5679         * sched-deps.c (depl_on_debug_p): New.
5680         (attach_dep_link): Reject debug deps before nondebug deps.
5681         (add_to_deps_list): Insert debug deps after nondebug deps.
5682         (sd_lists_empty_p): Stop at first nonempty list.  Disregard debug
5683         deps.
5684         (sd_add_dep): Do not reject debug deps.
5685         (add_insn_mem_dependence): Don't count debug deps.
5686         (remove_from_deps): Likewise.
5687         (sched_analyze_2): Set up mem deps on debug insns.
5688         (sched_analyze_insn): Record reg uses for deps on debug insns.
5689         * haifa-sched.c (schedule_insn): Reset deferred debug insn.  Don't
5690         try_ready nondebug insn after debug insn.
5691         * ddg.c (create_ddg_dep_from_intra_loop_link,
5692         create_ddg_dep_no_link): Don't reject debug deps.
5694 2009-10-16  Richard Guenther  <rguenther@suse.de>
5696         * lto-symtab.c (merge_incomplete_and_complete_type): Remove.
5697         (maybe_merge_incomplete_and_complete_type): Likewise.
5698         (lto_symtab_merge): Do not call them.  Do not warn for
5699         complete vs. incomplete compatible types.
5700         (lto_symtab_merge_decls_2): Simplify.
5701         * gimple.c (gimple_force_type_merge): Remove.
5702         (gimple_types_compatible_p): Make it static.
5703         * gimple.h (gimple_force_type_merge): Remove.
5704         (gimple_types_compatible_p): Likewise.
5706 2009-10-16  Jakub Jelinek  <jakub@redhat.com>
5708         * dwarf2out.c (mem_loc_descriptor) <case ZERO_EXTRACT>: Cast
5709         DWARF2_ADDR_SIZE to int to avoid signed vs. unsigned warnings.
5711 2009-10-16  Richard Guenther  <rguenther@suse.de>
5713         PR tree-optimization/41728
5714         * tree-ssa-dom.c (optimize_stmt): Mark the stmt modified
5715         if fold_stmt did anything.
5717 2009-10-16  Richard Guenther  <rguenther@suse.de>
5719         PR lto/41715
5720         * lto-streamer-in.c (lto_input_tree_ref): Revert last change.
5721         (maybe_fixup_handled_component): New function.
5722         (input_gimple_stmt): Fixup mismatched decl replacements.
5724 2009-10-16  Richard Guenther  <rguenther@suse.de>
5726         PR lto/41713
5727         * lto-streamer-out.c (lto_output_tree_ref): Handle DEBUG_EXPR_DECL
5728         the same as VAR_DECL.
5730 2009-10-16  Richard Guenther  <rguenther@suse.de>
5732         * gimple.c (iterative_hash_gimple_type): For integer types
5733         also hash their minimum and maximum values and the string flag.
5734         For array types hash their domain and the string flag.
5736 2009-10-16  Richard Guenther  <rguenther@suse.de>
5738         * gimple.c (gimple_types_compatible_p): Restrict completing
5739         types to record or unions.  Simplify completion.
5740         Do not merge records or unions with different
5741         TYPE_STRUCTURAL_EQUALITY_P tag.
5742         (iterative_hash_gimple_type): Restrict non-recursing into
5743         pointer targets for records and unions.
5745 2009-10-15  Jakub Jelinek  <jakub@redhat.com>
5747         PR debug/41717
5748         * cfgexpand.c (expand_debug_expr): Handle CONJ_EXPR.
5749         * dwarf2out.c (mem_loc_descriptor): Don't handle
5750         POST_INT/POST_DEC/POST_MODIFY like SUBREG.  For SUBREG
5751         punt if it is not lowpart subreg or if inner mode isn't
5752         MODE_INT.
5754 2009-10-16  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5756         * config/s390/s390.c (s390_z10_optimize_cmp): Skip notes when
5757         investigating previous or next insns.
5759 2009-10-16  Eric Botcazou  <ebotcazou@adacore.com>
5761         * tree-sra.c (build_ref_for_offset_1): Update comment.
5763 2009-10-16  Wolfgang Gellerich  <gellerich@de.ibm.com>
5765         * config/s390/s390.md (atype): Added missing values.
5767 2009-10-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5769         PR target/41702
5770         * pa.md (casesi): Use sign extended index in call to gen_casesi64p.
5771         (casesi64p): Update pattern to reflect above.
5773 2009-10-15  Steve Ellcey  <sje@cup.hp.com>
5775         PR rtl-optimization/41697
5776         * sel-sched-ir.h (_eligible_successor_edge_p): Check successor count.
5778 2009-10-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
5780         PR target/23983
5781         * config/rs6000/predicates.md: Update copyright year.
5782         * config/rs6000/altivec.md: Ditto.
5784         * config/rs6000/t-rs6000 (TM_H): Add rs6000-builtin.def.
5785         (MD_INCLUDES): Add a2.md.
5787         * config/rs6000/rs6000.c (rs6000_builtin_decls): Change
5788         RS6000_BUILTIN_COUNT to MAX_RS6000_BUILTINS.
5789         (builtin_classify): New static vector to classify various builtins
5790         to get the tree attributes correct.
5791         (def_builtin): Set the attributes of builtins based on what the
5792         builtin does (i.e. memory operation, floating point, saturation
5793         need special attributes, others are pure functions).
5795         * config/rs6000/rs6000.h (enum rs6000_btc): New enum to classify
5796         the builtins.
5797         (enum rs6000_builtins): Include rs6000-builtin.def to define the
5798         builtins.  Change the end marker to MAX_RS6000_BUILTINS from
5799         RS6000_BUILTIN_COUNT.
5800         (rs6000_builtin_decls): Change RS6000_BUILTIN_COUNT to
5801         MAX_RS6000_BUILTINS.
5803         * config/rs6000/rs6000-builtin.def: New file that combines the
5804         builtin enumeration name and attributes.
5806 2009-10-15  H.J. Lu  <hongjiu.lu@intel.com>
5808         * config/i386/linux.h (ASM_SPEC): Add --32.
5810 2009-10-15  Jakub Jelinek  <jakub@redhat.com>
5812         * dwarf2out.c (dwarf_tag_name): Handle DW_TAG_rvalue_reference_type
5813         and DW_TAG_template_alias.
5814         (dwarf_attr_name): Handle DW_AT_main_subprogram,
5815         DW_AT_data_bit_offset, DW_AT_const_expr, DW_AT_enum_class,
5816         DW_AT_linkage_name, DW_AT_GNU_guarded_by, DW_AT_GNU_pt_guarded_by,
5817         DW_AT_GNU_guarded, DW_AT_GNU_pt_guarded, DW_AT_GNU_locks_excluded,
5818         DW_AT_GNU_exclusive_locks_required, DW_AT_GNU_shared_locks_required
5819         and DW_AT_GNU_odr_signature.
5820         (dwarf_form_name): Handle DW_FORM_sec_offset, DW_FORM_exprloc,
5821         DW_FORM_flag_present and DW_FORM_ref_sig8.
5822         (output_signature): Only print name on the first byte.
5823         (output_die): Likewise for dw_val_class_data8.
5825 2009-10-15  Alexander Monakov  <amonakov@ispras.ru>
5827         * doc/invoke.texi: Clarify that most optimizations are not enabled
5828         without -O.
5830 2009-10-15  Richard Guenther  <rguenther@suse.de>
5832         PR lto/41668
5833         * gimple.c (compare_type_names_p): Handle anonymous names
5834         differently based on new mode argument.
5835         (gimple_types_compatible_p): For structs also compare the tags.
5836         (iterative_hash_type_name): Rename to ...
5837         (iterative_hash_name): ... this.  Hash all names.
5838         (iterative_hash_gimple_type): Fix hashing the struct tag of
5839         pointer targets.  Hash field decl names.
5841 2009-10-15  Richard Guenther  <rguenther@suse.de>
5843         PR lto/41669
5844         * gimple.c (gimple_get_alias_set): Avoid recursing on
5845         invalid type topology.
5847 2009-10-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5849         * config/spu/spu.c (get_branch_target): Use extract_asm_operands.
5851 2009-10-15  Richard Guenther  <rguenther@suse.de>
5853         * tree.c (free_lang_data_in_decl): Free DECL_FCONTEXT.
5855 2009-10-15  Jakub Jelinek  <jakub@redhat.com>
5857         * config/rs6000/option-defaults.h (OPTION_DEFAULT_SPECS): Don't
5858         add --with-tune{,-32,-64} configured default for -mtune if explicit
5859         -mcpu is used.
5861 2009-10-14  Daniel Gutson  <dgutson@codesourcery.com>
5863         * config/arm/neon.md (neon_vshll_n<mode>): Checking Bounds fixed.
5865 2009-10-14  DJ Delorie  <dj@redhat.com>
5867         * config/h8300/h8300.c (F): New.
5868         (Fpa): New.
5869         (h8300_emit_stack_adjustment): Call them.
5870         (push): Likewise.
5871         (h8300_push_pop): Likewise.
5872         (h8300_expand_prologue): Likewise.
5873         * config/h8300/h8300.h (DWARF2_DEBUGGING_INFO): Define.
5874         (MUST_USE_SJLJ_EXCEPTIONS): Define.
5875         (INCOMING_RETURN_ADDR_RTX): Define.
5876         (INCOMING_FRAME_SP_OFFSET): Define.
5877         (DWARF_CIE_DATA_ALIGNMENT): Define.
5879 2009-10-14  Jakub Jelinek  <jakub@redhat.com>
5881         * stor-layout.c (place_field): Don't emit -Wpadded warnings for
5882         fields in builtin structs.
5883         (finalize_record_size): Likewise.
5885 2009-10-14  Richard Guenther  <rguenther@suse.de>
5887         * gimple.c (gtc_ob): New global.
5888         (struct type_pair_d): Replace pointers with type UIDs.
5889         (type_pair_hash): Adjust.
5890         (type_pair_eq): Likewise.
5891         (lookup_type_pair): Likewise.  Allocate from an obstack.
5892         (gimple_force_type_merge): Adjust.
5893         (gimple_types_compatible_p): Likewise.
5894         (free_gimple_type_tables): Free the obstack.
5896 2009-10-14  Jakub Jelinek  <jakub@redhat.com>
5898         * tree-parloops.c (separate_decls_in_region_debug_bind): Drop debug
5899         stmts setting DEBUG_EXPR_DECLs.
5901         * cfgexpand.c (expand_debug_expr): Ignore zero-length bitfields.
5902         Don't crash if mode1 is VOIDmode.
5904 2009-09-26  Vladimir Makarov  <vmakarov@redhat.com>
5906         * params.def (PARAM_IRA_LOOP_RESERVED_REGS): New.
5907         * params.h (IRA_LOOP_RESERVED_REGS): New.
5908         * tree-pass.h (pass_subregs_of_mode_init,
5909         pass_subregs_of_mode_finish): Remove.
5910         * passes.c (pass_subregs_of_mode_init,
5911         pass_subregs_of_mode_finish): Remove.
5912         (pass_reginfo_init): Move before loop optimizations.
5913         * config/i386/i386.h (STACK_REG_COVER_CLASS): Define.
5914         * common.opt (fira-loop-pressure): New.
5915         * toplev.h (flag_ira_loop_pressure): New.
5916         * rtl.h (init_subregs_of_mode, finish_subregs_of_mode): New externals.
5917         * reginfo.c (init_subregs_of_mode, finish_subregs_of_mode):
5918         Make external and void type functions.
5919         (gate_subregs_of_mode_init, pass_subregs_of_mode_init,
5920         pass_subregs_of_mode_finish): Remove.
5921         * ira-costs.c (init_costs): Call init_subregs_of_mode.
5922         * regmove.c: Include ira.h.
5923         (regmove_optimize): Call ira_set_pseudo_classes after IRA based
5924         register pressure calculation in loops.
5925         * loop-invariant.c: Include REGS_H and ira.h.
5926         (struct loop_data): New members max_reg_pressure, regs_ref, and
5927         regs_live.
5928         (struct invariant): New member orig_regno.
5929         (curr_loop): New variable.
5930         (find_exits): Initialize regs_ref and regs_live.
5931         (create_new_invariant): Initialize orig_regno.
5932         (get_cover_class_and_nregs): New.
5933         (get_inv_cost): Make aregs_needed an array.  Use regs_needed as an
5934         array.  Add code for flag_ira_loop_pressure.
5935         (gain_for_invariant): Make new_regs an array.  Add code for
5936         flag_ira_loop_pressure.
5937         (best_gain_for_invariant): Ditto.
5938         (set_move_mark): New parameter gain.  Use it for debugging output.
5939         (find_invariants_to_move): Make regs_needed and new_regs an array.
5940         Add code for flag_ira_loop_pressure.
5941         (move_invariant_reg): Set up orig_regno.
5942         (move_invariants): Set up reg classes for pseudos for
5943         flag_ira_loop_pressure.
5944         (free_loop_data): Clear regs_ref and regs_live.
5945         (curr_regs_live, curr_reg_pressure, regs_set, n_regs_set,
5946         get_regno_cover_class, change_pressure, mark_regno_live,
5947         mark_regno_death, mark_reg_store, mark_reg_clobber,
5948         mark_reg_death, mark_ref_regs, calculate_loop_reg_pressure): New.
5949         (move_loop_invariants): Calculate pressure.  Initialize curr_loop.
5950         * ira.c (ira): Call ira_set_pseudo_classes after IRA based
5951         register pressure calculation in loops if new regs were added.
5952         Call finish_subregs_of_mode.
5953         * opts.c (decode_options): Set up flag_ira_loop_pressure.
5954         * Makefile.in (loop-invariant.o): Add ira.h.
5955         (regmove.o): Ditto.
5956         * doc/invoke.texi (-fira-loop-pressure, ira-loop-reserved-regs):
5957         Describe.
5958         * doc/tm.texi (STACK_REG_COVER_CLASS): Describe.
5960 2009-10-14  Richard Guenther  <rguenther@suse.de>
5962         * lto-symtab.c (lto_symtab_compatible): Fold in ...
5963         (lto_symtab_merge): ... here.  Rewrite both to take the
5964         prevailing and a to-be-merged entry and to queue diagnostics properly.
5965         (lto_symtab_resolve_replaceable_p): New predicate for
5966         symbol resolution.
5967         (lto_symtab_resolve_can_prevail_p): Likewise.
5968         (lto_symtab_resolve_symbols): Rewrite.  Fold in code that
5969         handles merging commons by choosing the largest decl.  Fold
5970         in code that gives ODR errors.
5971         (lto_symtab_merge_decls_2): Simplify a lot.  Emit queued
5972         diagnostics here.
5973         (lto_symtab_merge_decls_1): Re-structure.  Deal with the
5974         case of no prevailing decl here.  Diagnose mismatches
5975         in object types here.  Drop all but the prevailing decls.
5976         (lto_symtab_prevailing_decl): Return the single prevailing decl.
5977         * lto-streamer-in.c (lto_input_tree_ref): Deal with
5978         VIEW_CONVERT_EXPRs in decl slots.  Unshare the tree in this case.
5980 2009-10-14  Richard Guenther  <rguenther@suse.de>
5982         PR lto/41521
5983         * lto-streamer-in.c (input_bb): Replace debug stmts with
5984         nops instead of dropping them.
5986 2009-10-14  Nick Clifton  <nickc@redhat.com>
5988         * gcc/doc/extended.texi: Replace the dash character with @minus{}
5989         in situations where it is being used as a minus symbol.
5990         * gcc/doc/tm.texi: Likewise.
5991         * gcc/doc/md.texi: Likewise.
5993 2009-10-14  Jakub Jelinek  <jakub@redhat.com>
5995         PR preprocessor/41543
5996         * input.h (BUILTINS_LOCATION): Change to 1 from 2.
5997         Assert BUILTINS_LOCATION < RESERVED_LOCATION_COUNT.
5998         * tree.c: Include intl.h.
5999         (expand_location): Handle BUILTINS_LOCATION.
6000         * Makefile.in (tree.o): Depend on intl.h.
6002         PR debug/41695
6003         * dwarf2out.c (dwarf2out_var_location): Always clear
6004         last_postcall_label when changing last_label.
6006 2009-10-14  Pascal Obry  <obry@adacore.com>
6008         * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Add -E.
6009         (process_command): Handle -E as done with -c and -S.  Do not add
6010         the target executable suffix to the output file when -E is used.
6011         (main): Adjust error message accordingly.
6013 2009-10-14  Alexandre Oliva  <aoliva@redhat.com>
6015         PR debug/41343
6016         PR debug/41447
6017         PR debug/41264
6018         PR debug/41338
6019         * tree.c (tree_node_structure_for_code): DEBUG_EXPR_DECL uses
6020         decl with rtl.
6021         (tree_code_size): Likewise.
6023 2009-10-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6025         * builtins.c (fold_builtin_1): Support complex "arc" functions.
6026         * real.h (HAVE_mpc_arc): Define.
6028 2009-10-14  Kaz Kojima  <kkojima@gcc.gnu.org>
6030         * config/sh/sh.c (TARGET_BUILTIN_DECL): Define.
6031         (struct builtin_description): Add fndecl field.
6032         (bdesc): Remove const qualifier.  Update initializer.
6033         (sh_media_init_builtins): Remove const qualifier for d.  Record
6034         the result of add_builtin_function to the fndecl field.
6035         (sh_builtin_decl): New.
6036         (sh_media_builtin_decl): New.
6038 2009-10-14  Hans-Peter Nilsson  <hp@axis.com>
6040         PR target/38948
6041         * config/cris/cris.h (SECONDARY_RELOAD_CLASS): Handle reload
6042         requests between special registers.
6044 2009-10-13  Eric Botcazou  <ebotcazou@adacore.com>
6046         * dwarf2out.c (mem_loc_descriptor): Accept UNGT as well.
6048 2009-10-13  Richard Henderson  <rth@redhat.com>
6050         PR tree-optimization/41377
6051         * tree-eh.c (unsplit_eh): Propagate degenerate PHIs.
6052         (cleanup_empty_eh_merge_phis): New change_region parameter;
6053         pass it on to redirect_eh_edge_1.  Update callers.
6054         (cleanup_empty_eh_unsplit): Don't require an existing EH label
6055         at the destination block.
6057 2009-10-13  Basile Starynkevitch  <basile@starynkevitch.net>
6059         * passes.c (register_pass): Replaced gcc_unreachable by
6060         fatal_error on failure. Mentions plugins in comments & messages.
6062 2009-10-13  Jakub Jelinek  <jakub@redhat.com>
6064         PR target/41693
6065         * rtl.h (DEBUG_EXPR_TREE_DECL): Define.
6066         * sched-vis.c (print_value): Use it.
6067         * cselib.c (cselib_hash_rtx): Likewise.
6068         * print-rtl.c (print_rtx): Likewise.
6069         * cfgexpand.c (expand_debug_rtx): Likewise.
6070         * var-tracking.c (vt_expand_loc_callback): Likewise.
6072 2009-10-13  Richard Guenther  <rguenther@suse.de>
6074         PR lto/41565
6075         * opts.c (handle_option): Split out code to handle setting
6076         the options flag var ...
6077         (set_option): ... here.
6078         * opts.h (set_option): Declare.
6079         * lto-opts.c (register_user_option_p): Include -fexceptions
6080         and all position independent code variants.
6081         (handle_common_option): Remove.
6082         (lto_reissue_options): Use set_option.
6084 2009-10-13  Martin Jambor  <mjambor@suse.cz>
6086         PR tree-optimization/41661
6087         * ipa-prop.c (compute_complex_pass_through): Allow only operations
6088         that are tcc_comparisons or do not change the type in any
6089         un-usleless way.
6090         * ipa-cp.c (ipcp_lattice_from_jfunc): Request boolean type when
6091         folding tcc_comparison operations.
6093 2009-10-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6095         * config/s390/s390.c (s390_encode_section_info): Handle BLKmode
6096         properly.
6098 2009-10-12  Alexandre Oliva  <aoliva@redhat.com>
6100         PR debug/41343
6101         PR debug/41447
6102         PR debug/41264
6103         PR debug/41338
6104         * tree.def (DEBUG_EXPR_DECL): New.
6105         * rtl.def (DEBUG_EXPR): New.
6106         * gengtype.c (adjust_field_rtx_def): Handle it.
6107         * tree-ssa.c (propagate_var_def_into_debug_stmts): Rename to...
6108         (insert_debug_temp_for_var_def): ... this.  Drop support for
6109         moving.  Take iterator for def stmt; insert debug stmt before it.
6110         Scan early for use count and kind in debug stmts.
6111         (propagate_defs_into_debug_stmts): Rename to...
6112         (insert_debug_temps_for_defs): ... this.  Likewise.
6113         * tree.h (DEBUG_TEMP_UID): New.
6114         * tree.c (next_debug_decl_uid): New.
6115         (make_node_stat): Count debug decls separately.
6116         (copy_node_stat): Likewise.
6117         * cfgexpand.c (expand_debug_expr): Handle DEBUG_EXPR_DECL.
6118         * var-tracking.c (dv_is_decl_p): Recognize it.
6119         (VALUE_RECURSED_INTO): Apply to DEBUG_EXPRs too.
6120         (track_expr_p): Track expanded DEBUG_EXPR_DECLs.
6121         (vt_expand_loc_callback): Expand DEBUG_EXPRs.
6122         (emit_note_insn_var_location): Don't emit notes for DEBUG_EXPR_DECLs.
6123         * cselib.c (rtx_equal_for_cselib_p): Handle DEBUG_EXPR.
6124         (cselib_hash_rtx): Likewise.
6125         (cselib_expand_value_rtx_1): Use callback for DEBUG_EXPR.
6126         * tree-ssa-operands.c (get_expr_operands): Skip DEBUG_EXPR_DECLs in
6127         debug bind stmts.
6128         * emit-rtl.c (verify_rtx_sharing): Handle DEBUG_EXPR and VALUE.
6129         (copy_rtx_if_shared_1, reset_used_flags, set_used_flags): Likewise.
6130         * rtl.c (copy_rtx): Likewise.
6131         (rtx_equal_p_cb, rtx_equal_p): Handle DEBUG_EXPR.
6132         * print-rtl.c (print_rtx): Likewise.
6133         * sched-vis.c (print_value): Likewise.
6134         (print_insn): Handle DEBUG_EXPR_DECL.
6135         * tree-dump.c (dequeue_and_dump): Likewise.
6136         * tree-pretty-print.c (dump_decl_name, dump_generic_node): Likewise.
6137         * gimple-iterator (gsi_replace): Check for same lhs.
6138         (gsi_remove): Insert debug temps.
6139         * tree-ssa-loop-im.c (rewrite_reciprocal): Replace with same lhs.
6140         (move_computations_stmt): Drop explicit propagation into debug stmts.
6141         (rewrite_bittest): Likewise.  Use gsi_remove for propagation.
6142         * tree-ssa-reassoc.c (rewrite_expr_tree, linearize_expr): Likewise.
6143         * tree-ssa-sink.c (statement_sink_location): Likewise.
6144         * tree-ssa-forwprop (forward_propagate_addr_expr): Likewise.
6145         * tree-ssanames.c (release_ssa_name): Adjust for rename.
6146         * tree-flow.h: Likewise.
6147         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Don't mark
6148         debug temps without values.
6149         (eliminate_unnecessary_stmts): Don't discard just-inserted
6150         debug stmts.
6152 2009-10-12  Hans-Peter Nilsson  <hp@axis.com>
6154         PR target/26515
6155         * config/cris/cris.md (andu): Check that operand 1 is one of the
6156         general registers.  Fix typo in head comment.
6158 2009-10-12  Stefan Dösinger  <stefan@codeweavers.com>
6160         * config/i386/i386.md (vswapmov): New.
6161         * config/i386/i386.c (ix86_handle_fndecl_attribute): New.
6162         (ix86_function_ms_hook_prologue): New.
6163         (ix86_expand_prologue): Handle ms_hook_prologue attribute.
6164         * configure.ac: Test for swap suffix support in as.
6165         * configure: Rebuild.
6167 2009-10-12  Jakub Jelinek  <jakub@redhat.com>
6169         PR target/41680
6170         * config/i386/i386.md (split after *testqi_ext_3_rex64): Only narrow
6171         paradoxical subregs to prevent partial register stalls if the inner
6172         mode is integer mode.
6174 2009-10-12  Uros Bizjak  <ubizjak@gmail.com>
6176         * config/i386/i386.md (*setcc_<mode>_2): Remove insn pattern.
6178 2009-10-12  Dodji Seketeli  <dodji@redhat.com>
6180         PR c++/41570
6181         * gcc/dwarf2out.c (template_parameter_pack_die,
6182         gen_formal_parameter_pack_die): Use add_name_and_src_coords_attributes.
6184 2009-10-12  Alexandre Oliva  <aoliva@redhat.com>
6186         PR debug/41616
6187         * tree-into-ssa.c (insert_phi_nodes_for): Build debug bind stmts
6188         on updates too.
6189         (maybe_register_def): Likewise.  Take stmt iterator.
6190         (rewrite_update_stmt): Take stmt iterator and pass it on.
6191         (rewrite_update_enter_block): Pass stmt iterator.
6193 2009-10-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6195         * config/spu/spu.c (TARGET_BUILTIN_DECL): Define.
6196         (spu_builtin_decl): New function.
6198 2009-10-12  Uros Bizjak  <ubizjak@gmail.com>
6200         * config/i386/i386.md (SWIM): New mode iterator.
6201         (mov<mode>cc): Macroize expander from mov{qi,hi,si,di}cc patterns
6202         using SWIM mode iterator.
6203         (x86_mov<mode>cc_0_m1): Macroize insn from x86_mov{si,di}cc_0_m1
6204         patterns using SWI48 mode iterator.
6205         (*x86_mov<mode>cc_0_m1_se):  Macroize insn from
6206         *x86_mov{si,di}cc_0_m1_se patterns using SWI48 mode iterator.
6207         (*x86_mov<mode>cc_0_m1_neg): New insn pattern.
6208         (*mov<mode>cc_noc): Macroize insn from *mov{hi,si,di}cc_noc
6209         patterns using SWI248 mode iterator.
6210         * config/i386/i386.c (ix86_expand_int_movcc): Update the call to
6211         gen_x86_movdicc_0_m1_rex64 for renamed function
6213 2009-10-11  Jose Ruiz  <ruiz@adacore.com>
6214             Eric Botcazou  <ebotcazou@adacore.com>
6216         PR target/33743
6217         * config/sparc/sol2.h (MD_UNWIND_SUPPORT): Define.
6218         * config/sparc/sol2-unwind.h: New file.
6220 2009-10-11  Olivier Hainque  <hainque@adacore.com>
6221             Eric Botcazou  <ebotcazou@adacore.com>
6223         PR target/33743
6224         * config/i386/sol2.h (MD_UNWIND_SUPPORT): Define.
6225         * config/i386/sol2-unwind.h: New file.
6227 2009-10-11  H.J. Lu  <hongjiu.lu@intel.com>
6229         PR target/41665
6230         * config/i386/i386.md (addsi_1_zext): Get the proper second
6231         operand for lea.
6233 2009-10-11  Richard Sandiford  <rdsandiford@googlemail.com>
6235         * simplify-rtx.c (simplify_replace_rtx): Use rtx_equal_p for
6236         all OLD_RTXes, not just REGs.  Use copy_rtx to create the
6237         replacement value.
6239 2009-10-11  Richard Guenther  <rguenther@suse.de>
6241         * gimple.c (iterative_hash_type_name): Do not handle special
6242         anonymous names.
6244 2009-10-11  Uros Bizjak  <ubizjak@gmail.com>
6246         * config/i386/i386.md (*setcc_di_1): New insn_and_split pattern.
6247         (*setcc_si_1_and): Ditto.
6248         (*setcc_si_1_movzbl): Ditto.
6249         (*setcc_<mode>_2): Ditto.
6250         (*setcc_qi): Rename from *setcc_1.
6251         (*setcc_qi_slp): Rename from *setcc_2.
6253         (*zero_extendqihi2_movzbw_and splitter): Use ix86_expand_clear.
6254         (*zero_extendqisi2_movzbw_and splitter): Ditto.
6256         * config/i386/i386.c (ix86_expand_clear): Remove reload_completed from
6257         "if" condition, there is already assert with reload_completed present.
6259 2009-10-11  Gerald Pfeifer  <gerald@pfeifer.com>
6261         * plugin.c (try_init_one_plugin): Improve constness of variable err.
6263 2009-10-10  Gerald Pfeifer  <gerald@pfeifer.com>
6265         * doc/install.texi (Final install): Refer to
6266         http://gcc.gnu.org/bugs/ for bug reporting.
6268 2009-10-10  Peter Bergner  <bergner@vnet.ibm.com>
6270         * configure.ac: Add test for dci instruction.
6271         * configure: Regenerate.
6272         * config.in: Likewise.
6273         * config.gcc: Handle --with-cpu=476 and --with-cpu=476fp.
6274         * doc/invoke.texi: Add cpu_type 476 and 476fp.
6275         (-mmulhw): Add 476 to description.
6276         (-mdlmzb): Likewise.
6277         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=476.
6278         * config/rs6000/rs6000.c (processor_costs): Add ppc476_cost.
6279         (processor_target_table): Add 476 and 476fp entries.
6280         (rs6000_override_options): Use ppc476_cost for PROCESSOR_PPC476.
6281         (rs6000_issue_rate): Add CPU_PPC476.
6282         * config/rs6000/rs6000.h (ASM_CPU_476_SPEC): Define.
6283         (ASM_CPU_SPEC): Pass %(asm_cpu_476) for -mcpu=476 and -mcpu=476fp.
6284         (processor_type): Add PROCESSOR_PPC476.
6285         (EXTRA_SPECS): Add asm_cpu_476 string.
6286         * config/rs6000/rs6000.md (define_attr "type"): Add isel attribute.
6287         (define_attr "cpu"): Add ppc476.
6288         Include 476.md.
6289         Update comments for 476.
6290         (isel_signed, isel_unsigned): Change to use "isel" type attribute.
6291         * config/rs6000/vxworks.h (CPP_SPEC): Handle 464 and 476.
6292         Update copyright year.
6293         * config/rs6000/476.md: New file.
6294         * config/rs6000/40x.md: Add description for "isel" attribute.
6295         Update copyright year.
6296         * config/rs6000/440.md: Likewise.
6297         * config/rs6000/603.md: Likewise.
6298         * config/rs6000/6xx.md: Likewise.
6299         * config/rs6000/7450.md: Likewise.
6300         * config/rs6000/7xx.md: Likewise.
6301         * config/rs6000/8540.md: Likewise.
6302         * config/rs6000/cell.md: Likewise.
6303         * config/rs6000/e300c2c3.md: Likewise.
6304         * config/rs6000/e500mc.md: Likewise.
6305         * config/rs6000/mpc.md: Likewise.
6306         * config/rs6000/power4.md: Likewise.
6307         * config/rs6000/power5.md: Likewise.
6308         * config/rs6000/power6.md: Likewise.
6309         * config/rs6000/power7.md: Likewise.
6310         * config/rs6000/rios1.md: Likewise.
6311         * config/rs6000/rios2.md: Likewise.
6312         * config/rs6000/rs64.md: Likewise.
6314 2009-10-10  Richard Guenther  <rguenther@suse.de>
6316         PR tree-optimization/41654
6317         * tree-ssa-ifcombine.c (ifcombine_ifandif): Properly canonicalize
6318         a cond expr before calling gimple_cond_set_condition_from_tree.
6319         (ifcombine_iforif): Likewise.
6321 2009-10-09  Ian Lance Taylor  <iant@google.com>
6323         * configure.ac: Use AC_SEARCH_LIBS to find dlopen.
6324         * configure: Rebuild.
6326 2009-10-09  Neil Vachharajani <nvachhar@google.com>
6328         * doc/cpp.texi (Other Directives): Do not list #ident and #sccs as
6329         deprecated.
6331 2009-10-09  Richard Guenther  <rguenther@suse.de>
6333         PR lto/41638
6334         * target-def.h (TARGET_BUILTIN_DECL): Define.
6335         (TARGET_INITIALIZER): Add TARGET_BUILTIN_DECL.
6336         * target.h (struct gcc_target): Add builtin_decl target hook.
6337         * doc/tm.texi (TARGET_BUILTIN_DECL): Document.
6338         * lto-streamer-in.c (lto_get_builtin_tree): Fix handling of
6339         target builtins.
6340         * lto-streamer-out.c (lto_output_tree_pointers): Use sorry,
6341         not gcc_unreachable.
6342         (lto_output_builtin_tree): Sorry if the target does not support
6343         streaming target builtins.
6344         * config/rs6000/rs6000.c (TARGET_BUILTIN_DECL): Define.
6345         (rs6000_builtin_decl): New function.
6346         * config/i386/i386.c (TARGET_BUILTIN_DECL): Define.
6347         (ix86_builtin_decl): New function.
6349 2009-10-09  Jakub Jelinek  <jakub@redhat.com>
6351         PR preprocessor/41445
6352         * c-ppoutput.c (do_line_change): New function.
6353         (cb_line_change): Use it.
6354         (scan_translation_unit): Call do_line_change if
6355         avoid_paste or PREV_WHITE and token location is on a different line
6356         than print.src_line.
6358         PR debug/40521
6359         * dwarf2out.c (dwarf2out_init): Test whether
6360         HAVE_GAS_CFI_SECTIONS_DIRECTIVE is non-zero instead of checking
6361         it is defined.
6363         PR rtl-optimization/41646
6364         * calls.c (expand_call): For BLKmode types returned in registers
6365         avoid likely spilled hard regs in copy_blkmode_from_reg generated
6366         insns.
6368 2009-10-09  Richard Guenther  <rguenther@suse.de>
6370         PR tree-optimization/41634
6371         * tree-ssa-dom.c (remove_local_expressions_from_table): Assert
6372         we remove the correct elements.
6373         (optimize_stmt): Make sure to update stmt operands before
6374         optimizing redundancies.
6376 2009-10-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6378         * config/s390/s390.md ("prefetch"): Remove stcmh for prefetching.
6380 2009-10-09  Richard Guenther  <rguenther@suse.de>
6382         PR driver/41637
6383         * lto-wrapper.c (ltrans_output_file, flto_out, args_name): New
6384         globals.
6385         (lto_wrapper_exit): New function.
6386         (fatal): Use it.
6387         (fatal_perror): Likewise.
6388         (fork_execute): Use global args_name, do not free it.
6389         (run_gcc): Use global ltrans_output_file, flto_out, do not free them.
6390         * lto-streamer.h: Remove duplicate prototypes.
6392 2009-10-09  Richard Guenther  <rguenther@suse.de>
6394         * cgraph.c (cgraph_create_edge): Check for NULL call_stmt
6395         before calling stmt_can_throw_external.
6397 2009-10-09  Eric Botcazou  <ebotcazou@adacore.com>
6399         PR tree-optimization/40071
6400         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Build a ref-all
6401         pointer if the original data reference doesn't conflict with the
6402         created vector data reference.  Fix long line.
6404 2009-10-09  Uros Bizjak  <ubizjak@gmail.com>
6406         * config/i386/i386.md (any_div): New code iterator.
6407         (u): Handle div and udiv.
6408         (sgnprefix): Ditto.
6409         (<u>divqi3): Macroize insn from {,u}divqi3  using any_div
6410         code iterator.
6411         (lfloor<MODEF:mode><SWI48:mode>2): Macroize insn from
6412         lfloor<mode>{si,di}2 patterns using SWI48 mode iterator.
6413         (lceil<MODEF:mode><SWI48:mode>2): Macroize insn from
6414         lceil<mode>{si,di}2 patterns using SWI48 mode iterator.
6416 2009-10-08  Joseph Myers  <joseph@codesourcery.com>
6418         * gcc.c (main): Remove trailing "." from diagnostics.
6420 2009-10-08  Cary Coutant  <ccoutant@google.com>
6422         Add support for debugging with ICF (Identical Code Folding).
6423         * calls.c (debug.h): New #include.
6424         (emit_call_1): Call virtual_call_token debug hook.
6425         * common.opt (-fenable-icf-debug): New option.
6426         * dwarf2out.c (dwarf2_debug_hooks): Add entries for new hooks (two
6427         locations in the source).
6428         (poc_label_num): New variable.
6429         (dcall_entry, vcall_entry): New typedefs.
6430         (dcall_table, vcall_table): New variables.
6431         (struct vcall_insn): New type.
6432         (vcall_insn_table): New variable.
6433         (DEBUG_DCALL_SECTION, DEBUG_VCALL_SECTION): New macros.
6434         (size_of_dcall_table): New function.
6435         (output_dcall_table): New function.
6436         (size_of_vcall_table): New function.
6437         (output_vcall_table): New function.
6438         (dwarf2out_direct_call): New function.
6439         (vcall_insn_table_hash): New function.
6440         (vcall_insn_table_eq): New function.
6441         (dwarf2out_virtual_call_token): New function.
6442         (dwarf2out_virtual_call): New function.
6443         (dwarf2out_init): Allocate new tables and sections.
6444         (prune_unused_types): Mark DIEs referenced from direct call table.
6445         (dwarf2out_finish): Output direct and virtual call tables.
6446         * final.c (final_scan_insn): Call direct_call and virtual_call
6447         debug hooks.
6448         * debug.h (struct gcc_debug_hooks): Add direct_call,
6449         virtual_call_token, virtual_call hooks.
6450         (debug_nothing_uid): New function.
6451         * debug.c (do_nothing_debug_hooks): Add dummy entries for new hooks.
6452         (debug_nothing_uid): New function.
6453         * dbxout.c (dbx_debug_hooks): Add dummy entries for new hooks.
6454         (xcoff_debug_hooks): Likewise.
6455         * sdbout.c (sdb_debug_hooks): Likewise.
6456         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
6457         * doc/invoke.texi (-fenable-icf-debug): New option.
6459 2009-10-08  Alexandre Oliva  <aoliva@redhat.com>
6461         PR debug/41353
6462         * regmove.c (regmove_backward_pass): Replace src with dst in the
6463         debug insn, and check for dst before rather than after.
6465 2009-10-08  Janis Johnson <janis187@us.ibm.com>
6467         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Remove.
6468         (TARGET_DELEGITIMIZE_ADDRESS): Likewise.
6470 2009-10-08  Jan Hubicka  <jh@suse.cz>
6472         PR middle-end/41626
6473         * cgraphbuild.c (record_reference): When parameter DATA is NULL,
6474         do not mark cgraph nodes as needed.
6475         (record_references_in_initializer): Add new only_vars parameter.
6476         * cgraph.h (record_references_in_initializer): New parameter.
6477         * varasm.c (assemble_variable): Update call.
6478         * varpool.c (varpool_analyze_pending_decls): Always look for
6479         referenced vars.
6481 2009-10-08  Anatoly Sokolov  <aesok@post.ru>
6483         * config/avr/avr.c (last_insn_address) Remove variable.
6484         (expand_prologue): Don't initialise last_insn_address variable.
6485         (final_prescan_insn): Don't output insn size.
6486         * config/avr/avr.opt (msize): Remove switch.
6487         * doc/invoke.texi (AVR Options): Remove documentation of -msize
6488         switch.
6490 2009-10-08  Adam Nemet  <anemet@caviumnetworks.com>
6492         * combine.c (label_tick_ebb_start): Fix comment.
6493         (combine_instructions): Set label_tick and label_tick_ebb_start before
6494         calling setup_incoming_promotions.  Start them from 1.  Increment
6495         label_tick instead of deriving it from the BB index.  Rather than
6496         comparing ticks use the block from the previous iteration to decide
6497         whether to start a new EBB.  Remove empty lines before function.
6499 2009-10-08  Michael Matz  <matz@suse.de>
6501         PR middle-end/41573
6502         * builtins.c (fold_builtin_isascii): Use fold_build2.
6503         (fold_builtin_isdigit): Ditto.
6504         * except.c (duplicate_eh_regions_1): Tolerate NULL labels.
6505         * tree-cfg.c (struct rus_data, remove_useless_stmts_warn_notreached,
6506         remove_useless_stmts_cond, remove_useless_stmts_tf,
6507         remove_useless_stmts_tc, remove_useless_stmts_bind,
6508         remove_useless_stmts_goto, remove_useless_stmts_label,
6509         remove_useless_stmts_1, remove_useless_stmts,
6510         pass_remove_useless_stmts): Remove.
6511         * tree-pass.h (pass_remove_useless_stmts): Don't declare.
6512         * passes.c (init_optimization_passes): Don't add
6513         pass_remove_useless_stmts.
6514         * tree-eh.c (lower_eh_constructs_2): Handle empty cleanups.
6515         * tree.c (free_lang_data_in_decl): Don't clear DECL_INITIAL of
6516         static constants.
6517         * lto-symtab.c (lto_symtab_register_decl): Accepts DECL_INITIAL
6518         for static constants.
6519         * lto-streamer-out.c (output_gimple_stmt): Handle GIMPLE_NOP.
6520         * lto-streamer-in.c (input_gimple_stmt): Handle GIMPLE_NOP.
6522 2009-10-08  Richard Guenther  <rguenther@suse.de>
6524         * gimple.c (free_gimple_type_tables): New function.
6525         * gimple.h (free_gimple_type_tables): Declare.
6527 2009-10-07  Mark Heffernan  <meheff@google.com>
6529         * ipa-prop.c (ipa_print_node_params) Only print
6530         names of named arguments.
6532 2009-10-08  Rafael Avila de Espindola  <espindola@google.com>
6534         * gcc.c (LINK_COMMAND_SPEC): Pass libc with -pass-through if it is
6535         being statically linked.
6537 2009-10-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6539         * collect2.c (add_lto_object): Only define if OBJECT_FORMAT_NONE.
6541 2009-10-08  Jan Hubicka  <jh@suse.cz>
6543         PR bootstrap/41620
6544         * ipa.c (cgraph_externally_visible_p,
6545         function_and_variable_visibility,
6546         whole_program_function_and_variable_visibility): Skip non-finalized
6547         nodes.
6549 2009-10-08  Nick Clifton  <nickc@redhat.com>
6551         * config/mn10300/mn10300.h (CONSTANT_ADDRESS_P): Do not allow
6552         CONST_DOUBLEs.
6554 2009-10-08  Andreas Tobler  <a.tobler@schweiz.org>
6556         PR bootstrap/37739
6557         * config.host: Use config/x-cflags-O1 for powerpc FreeBSD.
6559 2009-10-07  Joseph Myers  <joseph@codesourcery.com>
6561         PR c/41182
6562         * c-common.c (c_fully_fold_internal): Strip nops from the result
6563         of recursive calls to c_fully_fold_internal.
6564         (c_wrap_maybe_const): New.
6565         (c_save_expr): Use c_wrap_maybe_const.
6566         * c-common.h (c_wrap_maybe_const): Declare.
6567         * c-typeck.c (build_conditional_expr, c_finish_stmt_expr,
6568         build_binary_op): Use c_wrap_maybe_const.
6570 2009-10-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6572         * real.c: Fix comment to reflect actual exponent size.
6574 2009-10-08  Ben Elliston  <bje@au.ibm.com>
6576         * config/rs6000/a2.md: Add FSF comment header.
6578 2009-10-07  Uros Bizjak  <ubizjak@gmail.com>
6580         * config/i386/i386.md (any_extend): New code iterator.
6581         (u, s): New code attributes.
6582         (sgnprefix): Ditto.
6583         (DWIH): Rewrite as code iterator for SI and DI modes.
6584         (DWI): Rewrite as mode attribute.
6585         (dwi): New mode attribute.
6586         (di): Depend on SI mode and DI mode.
6587         (doubleint_general_operand): Remove mode attribute.
6589         (*lea_1): Macroize insn from *lea_1_rex64 and *lea_1 patterns using
6590         DWIH mode iterator.
6592         (*add<mode>3_doubleword): Use DWIH as the base mode iterator.
6593         (*sub<mode>3_doubleword): Ditto.
6595         (mul<mode>3): Macroize expander from mul{hi,si,di}3 patterns
6596         using SWIM248 mode iterator.
6597         (*mul<mode>3_1): Macroize insn from mul{si,di}3_1 patterns
6598         using SWI48 mode iterator.
6599         (<u>mul<mode><dwi>3): Macroize expander from {,u}mul{sidi,diti}3
6600         patterns using DWIH mode iterator and any_extend code iterator.
6601         (<u>mulqihi3): Macroize expander from {,u}mulqihi3 patterns
6602         using any_extend code iterator.
6603         (*<u>mul<mode><dwi>3_1): Macroize insn from {,u}mul{sidi,diti}3_1
6604         patterns using DWIH mode iterator and any_extend code iterator.
6605         (*<u>mulqihi3_1): Macroize insn from {,u}mulqihi3_1 patterns
6606         using any_extend code iterator.
6607         (<s>mul<mode>3_highpart): Macroize expander from
6608         {s,u}mul{si,di}3_highpart patterns using DWIH mode iterator
6609         and any_extend code iterator.
6610         (*<s>muldi3_highpart_1): Macroize insn from
6611         *{s,u}muldi3_highpart_rex64 patterns using any_extend code iterator.
6612         (*<s>mulsi3_highpart_1): Macroize insn from *{s,u}mulsi3_highpart_1
6613         patterns using any_extend code iterator.
6614         (*<s>mulsi3_highpart_zext): Macroize insn from
6615         *{s,u}mulsi3_highpart_zext patterns using any_extend code iterator.
6617 2009-10-07  Jakub Jelinek  <jakub@redhat.com>
6619         * dwarf2out.c (tree_add_const_value_attribute_for_decl): Don't add
6620         DW_AT_const_value if VAR_DIE already has DW_AT_abstract_origin
6621         refering to a DIE with DW_AT_const_value.
6623 2009-10-07  Vladimir Makarov  <vmakarov@redhat.com>
6625         PR middle-end/22072
6626         * ira-lives.c (check_and_make_def_conflict): Process all operands.
6628 2009-10-06  Jan Hubicka  <jh@suse.cz>
6630         * cgraph.c (cgraph_node_can_be_local): Handle externally visible nodes
6631         correctly.
6633 2009-10-06  Uros Bizjak  <ubizjak@gmail.com>
6635         * config/i386/i386.md (*lea_1_rex64, *lea_1, *lea_1_zext,
6636         *lea_2_rex64): Move before *add<mode>_1 pattern.
6638 2009-10-07  Jan Hubicka  <jh@suse.cz>
6640         * collect2.c (main): Add -fno-whole-program.
6641         * gcc.c (set_collect_gcc_options): Do not remove whole program here.
6643 2009-10-07  Jan Hubicka  <jh@suse.cz>
6645         * lto-symtab.c (lto_cgraph_replace_node): Assert that inline clones
6646         has no address taken.
6647         * cgraph.c (cgraph_mark_needed_node): Assert that inline clones are
6648         never needed.
6649         (cgraph_clone_node): Clear externally_visible flag for clones.
6650         * cgraph.h (cgraph_only_called_directly_p,
6651         cgraph_can_remove_if_no_direct_calls_p): New predicates.
6652         * tree-pass.h (pass_ipa_whole_program_visibility): Declare.
6653         * ipa-cp.c (ipcp_cloning_candidate_p): Use new predicate.
6654         (ipcp_initialize_node_lattices, ipcp_estimate_growth,
6655         ipcp_insert_stage): Likwise.
6656         * cgraphunit.c (cgraph_decide_is_function_needed): Do not compute
6657         externally_visible flag.
6658         (verify_cgraph_node): Verify that inline clones look right.
6659         (process_function_and_variable_attributes): Do not set
6660         externally_visible flags.
6661         (ipa_passes): Avoid executing small_ipa_passes at LTO stage; they've
6662         been already run.
6663         * lto-cgraph.c (lto_output_node): Assert that inline clones are not
6664         boundaries.
6665         * ipa-inline.c (cgraph_clone_inlined_nodes): Use new predicates;
6666         clear externally_visible when turning into inline clones
6667         (cgraph_mark_inline_edge): Use new predicates.
6668         (cgraph_estimate_growth): Likewise.
6669         (cgraph_decide_inlining): Likewise.
6670         * ipa.c (cgraph_postorder): Likewise.
6671         (cgraph_remove_unreachable_nodes): Likewise; sanity check
6672         that inline clones are not needed.
6673         (cgraph_externally_visible_p): New predicate.
6674         (function_and_variable_visibility): Add whole_program parameter;
6675         always set externally_visible flag; handle COMDAT function
6676         privatization.
6677         (local_function_and_variable_visibility): New function.
6678         (gate_whole_program_function_and_variable_visibility): New function.
6679         (whole_program_function_and_variable_visibility): New function.
6680         (pass_ipa_whole_program_visibility): New function.
6681         * passes.c  (init_optimization_passes): Add whole program visibility
6682         pass.
6683         (do_per_function_toporder, function_called_by_processed_nodes_p): Do
6684         not care about needed/reachable flags.
6685         * varpool.c: Include flags.h
6686         (decide_is_variable_needed): When doing LTO assume whole-program mode.
6687         (varpool_finalize_decl): When we are in LTO read-back, all variables
6688         are analyzed.
6689         (varpool_analyze_pending_decls): Skip analyzis of analyzed vars.
6691 2009-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6693         * config/s390/tpf.h (TARGET_DEFAULT): Remove MASK_HARD_FLOAT and
6694         add MASK_HARD_DFP.
6696 2009-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6698         * config.gcc: Don't include the makefile fragments intended for
6699         libgcc.
6700         * config/s390/fixdfdi.h: File removed.
6701         * config/s390/libgcc-glibc.ver: File removed.
6702         * config/s390/s390.h: Remove the fixdfdi.h hack.
6703         * config/s390/t-crtstuff: File moved to libgcc dir.
6704         * config/s390/t-linux: Likewise.
6705         * config/s390/t-tpf: libgcc specific parts removed.
6706         * config/s390/t-linux64: Likewise.
6708 2009-10-06  Jerry Quinn  <jlquinn@optonline.net>
6710         * Makefile.in (lto-wrapper): Use COMPILER and ALL_COMPILERFLAGS.
6711         (lto-compress.o): Likewise.
6713 2009-10-07  Danny Smith  <dannysmith@users.sourceforge.net>
6715         PR target/41512
6716         * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't propagate
6717         dllexport to class members here.
6718         (i386_pe_determine_dllimport_p): Only check static class data for
6719         definition.
6720         (i386_pe_encode_section_info): Don't recheck DECL_DLLIMPORT_P.
6721         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Only check
6722         functions for vague linkage.
6723         (i386_pe_type_dllexport_p): Fix formatting.
6724         (maybe_add_dllexport) New function.
6725         (i386_pe_adjust_class_at_definition): Use it to propagate dllexport
6726         to class members.
6728 2009-10-07  Ben Elliston  <bje@au.ibm.com>
6730         * config/rs6000/a2.md: Remove duplicated lines.
6732 2009-10-07  Ben Elliston  <bje@au.ibm.com>
6734         * config.gcc (powerpc*-*-*): Handle a2.
6735         * config/rs6000/rs6000.md (cpu): Add ppca2.  Include "a2.md".
6736         * config/rs6000/a2.md: New file.
6737         * config/rs6000/rs6000.opt (mno-update): New.
6738         (mupdate): Return to using a mask, not a var.
6739         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add support for a2.
6740         (enum processor_type): Add PROCESSOR_PPCA2.
6741         * config/rs6000/rs6000.c (ppca2_cost): New costs.
6742         (rs6000_override_options): Add "a2" to processor_target_table.
6743         Update rs6000_always_hint logic.  Correctly set rs6000_cost for a2.
6744         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mcpu=a2.
6746 2009-10-06  Uros Bizjak  <ubizjak@gmail.com>
6748         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
6749         Use explicit gen_truncxfsf2 and gen_truncxfdf2 references to avoid
6750         reference to nonexistent gen_truncxfxf2 function.
6752 2009-10-06  Uros Bizjak  <ubizjak@gmail.com>
6754         * config/i386/i386.md (SWI48, SDWIM, DWI): New mode iterators.
6755         (DWIH, g, di, doubleint_general_operand): New mode attributes.
6756         (general_operand): Handle TI mode.
6757         (add<mode>3): Macroize expander from add{qi,hi,si,di,ti}3 patterns
6758         using SDWIM mode iterator.
6759         (*add<mode>3_doubleword): New insn_and_split pattern.  Macroize
6760         pattern from *add{di,ti}3_1 patterns and corresponding splitters
6761         using DWI mode iterator.
6762         (add<mode>3_carry): Macroize insn from add{qi,hi,si,di}3_carry
6763         patterns using SWI mode iterator.
6764         (*add<mode>3_cc): Macroize insn from add{si,di}3_cc patterns
6765         using SWI48 mode iterator.
6766         (*add<mode>_1): Ditto from add{si,di}_1 patterns.
6767         (*add<mode>_2): Ditto from add{si,di}_2 patterns.
6768         (*add<mode>_3): Ditto from add{si,di}_3 patterns.
6769         (*add<mode>_5): Ditto from add{si,di}_5 patterns.
6770         (sub<mode>3): Macroize expander from sub{qi,hi,si,di,ti}3 patterns
6771         using SDWIM mode iterator.
6772         (*sub<mode>3_doubleword): New insn_and_split pattern.  Macroize
6773         pattern from *sub{di,ti}3_1 patterns and corresponding splitters
6774         using DWI mode iterator.
6775         (sub<mode>3_carry): Macroize insn from sub{qi,hi,si,di}3_carry
6776         patterns using SWI mode iterator.
6777         (*sub<mode>_1): Ditto from from sub{qi,hi,si,di}_1 patterns.
6778         (*sub<mode>_2): Ditto from sub{qi,hi,si,di}_2 patterns.
6779         (*sub<mode>_3): Ditto from sub{qi,hi,si,di}_3 patterns.
6780         (<plusminus_insn>xf3): Macroize expander from addxf3 and subxf3
6781         patterns using plusminus code iterator.
6782         (<plusminus_insn><mode>3): Macroize expander from add<mode>3 and
6783         sub<mode>3 patterns using plusminus code iterator.
6784         * config/i386/i386.c (override_options): Update the call to
6785         gen_subdi_carry_rex64 for renamed function.
6786         (ix86_expand_int_addcc): Update calls to gen_subdi3_carry_rex64
6787         and gen_adddi3_carry_rex64 for renamed functions.  Use indirect
6788         calls to instruction expanders.
6790 2009-10-06  Martin Jambor  <mjambor@suse.cz>
6792         PR bootstrap/41395
6793         * opts.c (decode_options): Run IPA-SRA at -O2.
6795 2009-10-06  Richard Guenther  <rguenther@suse.de>
6797         * lto-symtab.c (lto_symtab_entry_hash): Hash strings, not pointers.
6799 2009-10-06  Tobias Burnus  <burnus@net-b.de>
6801         PR lto/41591
6802         * doc/invoke.texi (-flto,-fwhole-program): Make clear that the
6803         -flto and -fwhole-program flags can be combined.
6805 2009-10-06  Ryan Mansfield  <rmansfield@qnx.com>
6807         PR driver/41217
6808         * gcc.c (process_command): Check that -o argument was specified.
6810 2009-10-06  Jerry Quinn  <jlquinn@optonline.net>
6812         * gimple.c (gimple_type_hash): Use CONST_CAST_TREE to fix compilation.
6814 2009-10-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6816         * c.opt (Wjump-misses-init): Fix typo to enable for ObjC.
6817         * doc/invoke.texi (Warning Options): Annotate allowed languages
6818         for -Wunsuffixed-float-constants.
6820 2009-10-05  Jakub Jelinek  <jakub@redhat.com>
6822         * dwarf2out.c (modified_type_die): Don't add DW_AT_name to
6823         DW_TAG_{const,volatile}_type if its DW_AT_type already has the
6824         same name and isn't the main variant.
6826         PR debug/41558
6827         * dwarf2out.c (loc_by_reference): Removed.
6828         (dw_loc_list_1): New function.
6829         (dw_loc_list): Remove toplev argument, add want_address argument.
6830         Don't look at decl_by_reference_p at all.  Use dw_loc_list_1.
6831         (loc_list_from_tree) <case VAR_DECL>: Pass want_address rather than
6832         want_address == 2 to dw_loc_list.  For successful dw_loc_list
6833         set have_address to 1 only if want_address is not 0.
6835 2009-10-05  Richard Sandiford  <rdsandiford@googlemail.com>
6837         * config/mips/mips-protos.h (mips_trampoline_code_size): Declare.
6838         * config/mips/mips.h (TRAMPOLINE_SIZE): Redefine as the size of
6839         a code block followed by two pointers.
6840         (TRAMPOLINE_ALIGNMENT): Define to 64 for 32-bit targets too.
6841         * config/mips/mips.c (MIPS_LOAD_PTR): New macro.
6842         (MIPS_MOVE): Likewise.
6843         (MIPS_LUI): Likewise.
6844         (MIPS_JR): Likewise.
6845         (MIPS_BAL): Likewise.
6846         (MIPS_NOP): Likewise.
6847         (mips_asm_trampoline_template): Delete.
6848         (mips_trampoline_code_size): New function.
6849         (mips_trampoline_init): Add shorter sequences for all cases
6850         except Pmode == DImoe && !TARGET_USE_PIC_FN_ADDR_REG.
6851         Calculate the opcodes directly, rather than copying from a template.
6852         Only flush the code part of the trampoline.
6853         (TARGET_ASM_TRAMPOLINE_TEMPLATE): Delete.
6855 2009-10-05  Richard Sandiford  <rdsandiford@googlemail.com>
6857         * config/mips/mips.h (DWARF_FRAME_RETURN_COLUMN): Replace
6858         GP_REG_FIRST + 31 with RETURN_ADDR_REGNUM.
6859         (INCOMING_RETURN_ADDR_RTX): Likewise.
6860         (FUNCTION_PROFILER): Likewise.  Replace GP_REG_FIRST + 1
6861         with AT_REGNUM.
6862         * config/mips/sdemtk.h (FUNCTION_PROFILER): Replace GP_REG_FIRST + 31
6863         with RETURN_ADDR_REGNUM.
6864         (MIPS_SAVE_REG_FOR_PROFILING_P): Likewise.
6865         * config/mips/mips.c (mips16_build_call_stub): Replace
6866         GP_REG_FIRST + 31 with RETURN_ADDR_REGNUM, GP_REG_FIRST + 1
6867         with AT_REGNUM and 31 with RETURN_ADDR_REGNUM.
6868         (mips_print_operand_punctuation): Likewise.
6869         (mips_frame_set): Likewise.
6870         (mips16e_output_save_restore): Likewise.
6871         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
6872         (mips_save_reg_p): Likewise.
6873         (mips_return_addr): Likewise.
6874         (mips_set_return_address): Likewise.
6875         (mips_direct_save_slot_move_p): Likewise.
6876         (mips_output_function_prologue): Likewise.
6877         (mips_restore_reg): Likewise.
6878         (mips_expand_epilogue): Likewise.
6879         (mips_epilogue_uses): Likewise.
6880         * config/mips/mips.md (RETURN_ADD_REGNUM): Define.
6881         (*mov<mode>_ra): Use it instead of a hard-coded 31.
6882         (clear_hazard_<mode>): Likewise.
6883         (call_internal): Likewise.
6884         (call_internal_direct): Likewise.
6885         (call_direct_split): Likewise.
6886         (call_value_internal): Likewise.
6887         (call_value_split): Likewise.
6888         (call_value_internal_direct): Likewise.
6889         (call_value_direct_split): Likewise.
6890         (call_value_multiple_internal): Likewise.
6891         (call_value_multiple_split): Likewise.
6893 2009-10-05  Eric Botcazou  <ebotcazou@adacore.com>
6894             Jakub Jelinek  <jakub@redhat.com>
6896         PR rtl-optimization/41511
6897         * combine.c (record_value_for_reg): Pass explicit values as argument
6898         to get_last_value_validate.
6899         (get_last_value_validate): Document INSN parameter.
6900         For non-readonly MEMs, assume they might have been modified if INSN
6901         was in another basic block.
6902         (get_last_value): Minor reformatting.
6904 2009-10-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6906         PR tree-opt/40992
6907         * final.c (asm_str_count): Split out from asm_insn_count.
6908         * rtl.h (asm_str_count): New prototype.
6909         * tree-inline (estimate_num_insns) <case GIMPLE_ASM>: Call
6910         asm_str_count.
6912 2009-10-05  Sriraman Tallam  <tmsriram@google.com>
6914         * doc/plugins.texi: Change plugin_pass to register_pass_info.
6916 2009-10-05  Basile Starynkevitch  <basile@starynkevitch.net>
6917             Rafael Espindola  <espindola@google.com>
6919         * gengtype.c (write_types): Moved call to write_func_for_structure
6920         into seperate loops.
6922 2009-10-05  Richard Guenther  <rguenther@suse.de>
6924         PR lto/41281
6925         * lto-cgraph.c (output_cgraph): Output toplevel asms.
6926         (input_cgraph_1): Input toplevel asms.
6928 2009-10-05  Richard Guenther  <rguenther@suse.de>
6930         PR lto/40902
6931         * lto-symtab.c (lto_compatible_attributes_p): Remove.
6932         (external_aggregate_decl_p): Likewise.
6933         (lto_symtab_compatible): Re-structure.  Remove dead code.
6934         For variables ignore toplevel qualifiers when comparing types.
6935         Issue warnings, not errors for mismatched user-alignment.
6937 2009-10-05  Richard Guenther  <rguenther@suse.de>
6939         PR lto/41552
6940         PR lto/41487
6941         * lto-symtab.c (struct lto_symtab_base_def): Remove.
6942         (struct lto_symtab_identifier_def): Likewise.
6943         (struct lto_symtab_decl_def): Likewise.
6944         (struct lto_symtab_entry_def): New.
6945         (lto_symtab_identifier_t): Rename to ...
6946         (lto_symtab_entry_t): ... this.
6947         (lto_symtab_decls): Remove.
6948         (lto_symtab_base_hash): Rename to ...
6949         (lto_symtab_entry_hash): ... this.
6950         (lto_symtab_base_eq): Rename to ...
6951         (lto_symtab_entry_eq): ... this.
6952         (lto_symtab_base_marked_p): Rename to ...
6953         (lto_symtab_entry_marked_p): ... this.
6954         (lto_symtab_identifier_marked_p): Remove.
6955         (lto_symtab_decl_marked_p): Likewise.
6956         (lto_symtab_maybe_init_hash_tables): Rename to ...
6957         (lto_symtab_maybe_init_hash_table): ... this.
6958         (lto_symtab_set_resolution_and_file_data): Remove.
6959         (lto_symtab_register_decl): New function.
6960         (lto_symtab_get_identifier): Remove.
6961         (lto_symtab_get): New function.
6962         (lto_symtab_get_resolution): Adjust.
6963         (lto_symtab_get_identifier_decl): Remove.
6964         (lto_symtab_set_identifier_decl): Likewise.
6965         (lto_symtab_merge_decl): Rename to ...
6966         (lto_symtab_merge): ... this.  Rewrite.
6967         (lto_symtab_merge_var): Remove.
6968         (lto_symtab_merge_fn): Likewise.
6969         (lto_symtab_prevailing_decl): Adjust.
6970         (lto_cgraph_replace_node): New function.
6971         (lto_symtab_merge_decls_2): Likewise.
6972         (lto_symtab_merge_decls_1): Likewise.
6973         (lto_symtab_fixup_var_decls): Likewise.
6974         (lto_symtab_resolve_symbols): Likewise.
6975         (lto_symtab_merge_decls): Likewise.
6976         (lto_symtab_prevailing_decl): Adjust.
6977         (lto_symtab_get_symtab_def): Remove.
6978         (lto_symtab_get_file_data): Likewise.
6979         (lto_symtab_clear_resolution): Adjust.
6980         (lto_symtab_clear_resolution): Likewise.
6981         * lto-cgraph.c (input_edge): Do not merge cgraph nodes here.
6982         (input_cgraph_1): Likewise.
6983         * lto-streamer-in.c (get_resolution): Do not provide fake
6984         symbol resolutions here.
6985         (deferred_global_decls): Remove.
6986         (lto_register_deferred_decls_in_symtab): Likewise.
6987         (lto_register_var_decl_in_symtab): Change signature, register
6988         variable via lto_symtab_register_decl.
6989         (lto_register_function_decl_in_symtab): Likewise.
6990         (lto_read_tree): Adjust.
6991         * lto-streamer.h (lto_register_deferred_decls_in_symtab): Remove.
6992         (lto_symtab_merge_var): Likewise.
6993         (lto_symtab_merge_fn): Likewise.
6994         (lto_symtab_register_decl): Declare.
6995         (lto_symtab_merge_decls): Likewise.
6997 2009-10-05  Richard Guenther  <rguenther@suse.de>
6999         PR tree-optimization/23821
7000         * tree-vrp.c (vrp_finalize): Do not perform copy propagation.
7001         * tree-ssa-dom.c (cprop_operand): Do not propagate copies into
7002         simple IV increments.
7004 2009-10-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7006         * config/arm/arm.c (arm_override_options): Really initialize
7007         flag_dwarf2_cfi_asm to 0.
7009 2009-10-05  Doug Kwan  <dougkwan@google.com>
7011         PR rtl-optimization/41574
7012         * combine.c (distribute_and_simplify_rtx): Quit if RTX mode is
7013         floating point and we are not doing unsafe math optimizations.
7015 2009-10-03  Simon Baldwin  <simonb@google.com>
7016             Cary Coutant  <ccoutant@google.com>
7017             Rafael Espindola  <espindola@google.com>
7018             Richard Guenther  <rguenther@suse.de>
7019             Jan Hubicka  <jh@suse.cz>
7020             Doug Kwan <dougkwan@google.com>
7021             H.J. Lu  <hongjiu.lu@intel.com>
7022             Bill Maddox  <maddox@google.com>
7023             Ryan Mansfield  <rmansfield@qnx.com>
7024             Diego Novillo  <dnovillo@google.com>
7025             Ollie Wild  <aaw@google.com>
7026             Kenneth Zadeck <zadeck@naturalbridge.com>
7028         * lto-cgraph.c: New file.
7029         * lto-compress.c: New file.
7030         * lto-compress.h: New file.
7031         * lto-opts.c: New file.
7032         * lto-section-in.c: New file.
7033         * lto-section-out.c: New file.
7034         * lto-streamer-in.c: New file.
7035         * lto-streamer-out.c: New file.
7036         * lto-streamer.c: New file.
7037         * lto-streamer.h: New file.
7038         * lto-symtab.c: New file.
7039         * lto-wpa-fixup.c: New file.
7040         * lto-wrapper.c: New file.
7042 2009-10-03  Simon Baldwin  <baldwin@google.com>
7043             Ben Elliston  <bje@au.ibm.com>
7044             Rafael Espindola  <espindola@google.com>
7045             Nathan Froyd  <froydnj@codesourcery.com>
7046             Jan Hubicka  <jh@suse.cz>
7047             Doug Kwan  <dougkwan@google.com>
7048             Diego Novillo  <dnovillo@google.com>
7049             Kenneth Zadeck  <zadeck@naturalbridge.com>
7051         * Makefile.in (enable_lto): New.
7052         (site.exp): If @enable_lto@ is set to 'yes' define ENABLE_LTO.
7053         (LINKER_PLUGIN_API_H): Define.
7054         (LTO_SYMTAB_H): Define.
7055         (LTO_STREAMER_H): Define.
7056         (TREE_VECTORIZER_H): Define.
7057         (INCLUDES): Add LIBELFINC.
7058         (OBJS-common): Add lto-cgraph.o, lto-streamer-in.o,
7059         lto-streamer-out.o, lto-section-in.o, lto-section-out.o, lto-symtab.o,
7060         lto-opts.o, lto-streamer.o, lto-wpa-fixup.o, lto-compress.o.
7061         (MOSTLYCLEANFILES): Add lto-wrapper$(exeext)
7062         (native): Add lto-wrapper$(exeext)
7063         (lto-compress.o, lto-cgraph.o, lto-streamer-in.o,
7064         lto-streamer-out.o, lto-section-in.o, lto-section-out.o,
7065         lto-symtab.o, lto-opts.o, lto-streamer.o, lto-wpa-fixup.o): New rules.
7066         (gimple.o): Add dependency on LTO_HEADER_H and LTO_SECTION_OUT_H.
7067         (varasm.o): Add dependency on tree-iterator.h.
7068         (cgraph.o): Add dependency on cif-code.def.
7069         (ipa-reference.o): Add dependency on LTO_STREAMER_H.
7070         (ipa-pure-const.o): Likewise.
7071         (GTFILES): Add lto-symtab.c.
7072         (install-lto-wrapper): New.
7073         * configure.ac: If 'lto' is in enable_languages, define ENABLE_LTO
7074         and enable_lto.  If LIBELFLIBS is set, define HAVE_libelf.
7075         * config.in: Regenerate.
7077 2009-10-03  Rafael Espindola  <espindola@google.com>
7078             Diego Novillo  <dnovillo@google.com>
7080         * cgraphunit.c (ipa_passes): Prevent lto1 from calling
7081         ipa_write_summaries.
7082         Call execute_ipa_summary_passes for all_regular_ipa_passes and
7083         all_lto_gen_passes.
7084         (cgraph_optimize): Make extern.
7086 2009-10-03  Nathan Froyd  <froydnj@codesourcery.com>
7087             Kenneth Zadeck <zadeck@naturalbridge.com>
7089         * toplev.c (in_lto_p): Declare.
7090         * collect2.c (scan_prog_file): Read all the output when reading
7091         information for LTO.
7092         (enum lto_mode_d): Declare.
7094 2009-10-03  Richard Guenther  <rguenther@suse.de>
7095             Diego Novillo  <dnovillo@google.com>
7097         * gimple.c: Include target.h and alias.h.
7098         (gimple_types): Declare.
7099         (type_hash_cache): Declare.
7100         (gimple_alloc_stat): Make extern.
7101         (gimple_build_eh_must_not_throw): Call
7102         gimple_eh_must_not_throw_set_fndecl.
7103         (struct type_pair_d): Declare.
7104         (type_pair_t): Declare.
7105         (type_pair_hash): New.
7106         (type_pair_eq): New.
7107         (lookup_type_pair): New.
7108         (gimple_force_type_merge): New.
7109         (compare_type_names_p): New.
7110         (compare_field_offset): New.
7111         (gimple_types_compatible_p): New.
7112         (struct sccs): Declare.
7113         (next_dfs_num): Declare.
7114         (iterative_hash_gimple_type): New.
7115         (visit): New.
7116         (iterative_hash_type_name): New.
7117         (iterative_hash_gimple_type): New.
7118         (gimple_type_hash): New.
7119         (gimple_type_eq): New.
7120         (gimple_register_type): New.
7121         (print_gimple_types_stats): New.
7122         (gimple_signed_or_unsigned_type): New.
7123         (gimple_unsigned_type): New.
7124         (gimple_signed_type): New.
7125         (gimple_get_alias_set): New.
7126         (gimple_decl_printable_name): Do not use DMGL_TYPES.
7127         * gimple.h (gimple_alloc, gimple_alloc_stat): Declare.
7128         (gimple_force_type_merge): Declare.
7129         (gimple_types_compatible_p): Declare.
7130         (gimple_register_type): Declare.
7131         (print_gimple_types_stats): Declare.
7132         (gimple_unsigned_type): Declare.
7133         (gimple_signed_type): Declare.
7134         (gimple_get_alias_set): Declare.
7135         (gimple_eh_must_not_throw_set_fndecl): New.
7137 2009-10-03  Jan Hubicka  <jh@suse.cz>
7138             Kenneth Zadeck <zadeck@naturalbridge.com>
7140         * ipa-pure-const.c: Include lto-streamer.h.
7141         (register_hooks): Factor out of ...
7142         (generate_summary): ... here.
7143         (pure_const_write_summary): New.
7144         (pure_const_read_summary): New.
7145         (pass_ipa_pure_const): Add pure_const_write_summary and
7146         pure_const_read_summary.
7147         * ipa-reference.c: Include lto-streamer.h.
7148         (add_new_function): New.
7149         (remove_node_data): New.
7150         (duplicate_node_data): New.
7151         (ipa_init): Guard against multiple calls.
7152         Move hook setup from analyze_function.
7153         (write_node_summary_p): New.
7154         (ipa_reference_write_summary): New.
7155         (ipa_reference_read_summary): New.
7156         (pass_ipa_reference): Add ipa_reference_write_summary and
7157         ipa_reference_read_summary.
7158         * cgraph.h (cgraph_local_info): Add field lto_file_data.
7159         (struct cgraph_edge): Add fields lto_stmt_uid and
7160         call_stmt_cannot_inline_p.
7161         (cgraph_optimize): Declare.
7162         (cgraph_decide_is_function_needed): Declare.
7163         (reset_inline_failed): Declare.
7164         (enum LTO_cgraph_tags): Declare.
7165         (LTO_cgraph_tag_names): Declare.
7166         (LCC_NOT_FOUND): Define.
7168 2009-10-03  Doug Kwan  <dougkwan@google.com>
7169             Rafael Espindola  <espindola@google.com>
7170             Jan Hubicka  <jh@suse.cz>
7171             Diego Novillo  <dnovillo@google.com>
7172             Kenneth Zadeck  <zadeck@naturalbridge.com>
7174         * passes.c (all_regular_ipa_passes): New.
7175         (all_ipa_passes): Rename to all_small_ipa_passes.
7176         (init_optimization_passes): Init all_regular_ipa_passes.
7177         * tree-pass.h (all_regular_ipa_passes): New.
7178         (all_ipa_passes): Rename to all_small_ipa_passes.
7179         * passes.c (all_lto_gen_passes): New.
7180         (init_optimization_passes): Initialize all_lto_gen_passes.
7181         (execute_ipa_summary_passes): Make non-static.
7182         (ipa_write_summaries_1): New.
7183         (ipa_write_summaries_2): New.
7184         (ipa_write_summaries): New.
7185         (ipa_write_summaries_of_cgraph_node_set): New.
7186         (ipa_read_summaries_1): New.
7187         (ipa_read_summaries): New.
7188         (execute_ipa_pass_list): Call cgraph_process_new_functions.
7189         (execute_regular_ipa_pass_list): Remove.
7190         (init_optimization_passes): Schedule
7191         pass_rebuild_cgraph_edges and pass_early_inline outside
7192         of pass_all_early_optimizations.  Document reason.
7193         (pass_ipa_lto_gimple_out, pass_ipa_lto_wpa_fixup,
7194         pass_ipa_lto_finish_out): New pass.
7195         (pass_ipa_summary_passes): Start and stop timers if the pass has them.
7196         (execute_all_ipa_transforms): New.
7197         (execute_one_pass): Don't call execute_one_ipa_transform_pass.
7198         (dump_properties, debug_properties): New.
7199         * tree-optimize.c (gate_all_early_local_passes): Return
7200         false if we are in lto1.
7201         (tree_rest_of_compilation): Call execute_all_ipa_transforms.
7202         * tree-pass.h (execute_all_ipa_transforms): Declare.
7203         (pass_ipa_function_and_variable_visibility): Declare.
7204         (pass_ipa_early_inline): Declare.
7205         (pass_ipa_lto_gimple_out): Declare.
7206         (pass_ipa_lto_wpa_fixup): Declare.
7207         (pass_ipa_lto_finish_out): Declare.
7208         (all_small_ipa_passes, all_regular_ipa_passes,
7209         all_lto_gen_passes): Declare.
7210         (execute_ipa_summary_passes): Declare.
7211         (execute_all_ipa_transforms): Declare.
7212         (ipa_write_summaries): Declare
7213         (ipa_write_summaries_of_cgraph_node_set): Declare.
7214         (ipa_read_summaries): Declare.
7216 2009-10-03  Doug Kwan  <dougkwan@google.com>
7217             Ollie Wild  <aaw@google.com>
7219         * ipa-prop.c (ipa_propagate_indirect_call_infos): Do nothing in WPA.
7221         * collect2.c (LTO_MODE_NONE, LTO_MODE_LTO, LTO_MODE_WPA): New enums.
7222         (lto_mode): New variable.
7223         (maybe_run_lto_and_relink): Handle the -fwpa option.
7224         (main): Handle the -fwpa option.
7225         (maybe_unlink_list): New function.
7226         * gcc.c (link_lto_options): Replace -flto with -fwpa.
7227         * common.opt (flto): New flag.
7228         * toplev.c (flag_generate_lto): Declare.
7230 2009-10-03  Simon Baldwin  <simonb@google.com>
7232         * common.opt (flto-compression-level): New flag.
7234         * opts.c: Include lto-opts.h.
7235         (handle_option): Call lto_register_user_option for each
7236         valid option handled.
7237         (decode_options): Clear registered options before the options
7238         handling loop.
7240 2009-10-03  Cary Coutant  <ccoutant@google.com>
7242         * collect2.c (is_elf): New function.
7243         (scan_prog_file): Require LTO object to be in ELF format.
7245 2009-10-03  Rafael Espindola  <espindola@google.com>
7247         * gcc.c (LINK_COMMAND_SPEC): Use the -pass-through option to pass
7248         libgcc to the linker.
7250         * ipa-cp.c (cgraph_gate_cp): Return false if LTRANS is running.
7252         * collect2.c (maybe_run_lto_and_relink): Execute lto-wrapper.
7253         (collect_execute): Add flags argument. Pass flags to pex_run. Update
7254         all callers.
7255         * collect2.h (collect_execute): Add flags argument.
7256         * tlink.c (tlink_execute): Update call to collect_execute.
7257         * gcc.c (main): Set the COLLECT_LTO_WRAPPER environment variable.
7258         (use_linker_plugin): New.
7259         (use_linker_plugin_spec_function): New.
7260         (LINK_COMMAND_SPEC): Pass plugin options to the linker.
7261         (linker_plugin_file_spec): New.
7262         (lto_wrapper_spec): New.
7263         (lto_gcc_spec): New.
7264         (static_specs): Add linker_plugin_file, lto_wrapper and lto_gcc.
7265         (static_spec_functions): Add use-linker-plugin.
7266         (process_command): Handle -use-linker-plugin.
7267         (main): Use lto_wrapper_spec instead of lto_wrapper. Set
7268         linker_plugin_file_spec and lto_gcc_spec.
7269         (use_linker_plugin_spec_function): New.
7271 2009-10-03  Richard Guenther  <rguenther@suse.de>
7273         PR lto/41547
7274         PR lto/41548
7275         * tree.h (is_lang_specific): Include LANG_TYPE.
7276         * tree.c (find_decls_types_r): Manually add interesting parts
7277         of TYPE_FIELDS.  Walk BINFO_VIRTUALS.  Do not walk TYPE_METHODS.
7279         * gimple.c (type_pair_hash): Make symmetric.
7280         (type_pair_eq): Likewise.
7281         (lookup_type_pair): Increase initial hashtable size.
7282         (gimple_force_type_merge): Rely on type-pair symmetry.
7283         (visit): Remove excessive checking code.
7284         (iterative_hash_type_name): Do not hash TYPE_NAME of anonymous unions.
7285         (gimple_register_type): Remove getenv calls, shrink initial
7286         hashtable size.
7288         PR middle-end/41502
7289         * cgraphunit.c (ipa_passes): Do not remove bodies of extern
7290         inline functions if not generating lto output.
7292         PR lto/41379
7293         * toplev.c (finalize): In WPA mode remove the asm file.
7295 2009-10-03  Doug Kwan  <dougkwan@google.com>
7297         * ipa-inline.c (cgraph_mark_inline): Check
7298         edge->call_stmt_cannot_inline_p instead of calling
7299         gimple_call_cannot_inline_p.
7300         (cgraph_decide_inlining): Do nothing in WPA and LTRANS.
7301         (cgraph_gate_ipa_early_inlining): Return false if in_lto_p is set.
7302         (inline_generate_summary): Do nothing in LTRANS.
7303         * cgraph.c (initialize_inline_failed): Make sure e->call_stmt
7304         exists before calling gimple_call_cannot_inline_p.
7305         (cgraph_create_edge): Set edge->call_stmt_cannot_inline_p.
7306         (cgraph_clone_edge): Add argument STMT_UID.  Modify all callers.
7307         Update new_edge->lto_stmt_uid.
7308         * cgraphbuild.c (reset_inline_failed): New.
7310         * common.opt (fwpa): New flag.
7311         (fltrans): New option.
7312         * gcc.c (gcc_lto_option_t): New type.
7313         (current_lto_option): New variable.
7314         (lto_single_spec_function): Remove and is replaced by ..
7315         (lto_option_spec_function): New function.
7316         (LINK_COMMAND_SPEC): Use link_lto_option spec instead of just
7317         passing the -flto flag.
7318         (cc1_options): Separate non-LTO related parts into ..
7319         (cc1_non_lto_options): Non-LTO related options shared by all FEs.
7320         (lto1_options): New spec for lto FE.
7321         (link_lto_options): New spec for handling LTO flags in linker.
7322         (invoke_lto_single): Re-format to fit in 80 column.  Replace
7323         lto-single with lto-option.
7324         (static_specs): Add cc1_non_lto_options, lto1_options and
7325         link_lto_options.
7326         (static_spec_function): Replace lto-single with lto-option.
7327         (process_command): Handle -flto, -fwpa and -fltran by setting
7328         current_lto_option and not passing it to subprocess unconditionally.
7330 2009-10-03  Bill Maddox  <maddox@google.com>
7332         Add `gcc' driver support for link-time code generation (LTO).
7334         * collect2.c (enum pass): Add new literal PASS_LTOINFO.
7335         (lto_flag, lto_objects, lto_o_file): New variables.
7336         (struct lto_object, struct lto_object_list): New structures.
7337         (collect_exit, handler): Remove LTO temporary output file on exit.
7338         (add_lto_object): New function.
7339         (maybe_run_lto_and_relink): New function. Perform link time code
7340         generation and relinking for object files containing LTO information.
7341         (main): Invoke maybe_run_lto_and_relink().
7342         (dump_argv): New function.  For debugging, currently disabled.
7343         (scan_prog_file): Add LTO information pass.
7344         * gcc.c (LINK_COMMAND_SPEC): Pass `-flto' switch to linker, i.e.,
7345         collect2.
7346         * toplev.c (compile_file): Emit assembler directive to create
7347         the `gnu_lto_v1' marker symbol when compiling with `-flto'.
7349 2009-10-03  Diego Novillo  <dnovillo@google.com>
7351         * c.opt: Add LTO to warn_abi and warn_psabi.
7353         * tree.c (fld_worklist_push): Rename from PUSH.  Convert to static
7354         inline function.  Ignore language-specific nodes.  Update all users.
7355         (find_decls_types_r): Do not traverse the subtrees of
7356         language-specific nodes.  Do not traverse DECL_INITIAL for TYPE_DECLs.
7357         * tree.h (is_lang_specific): New.
7358         * langhooks.h (struct lang_hooks_for_decls): Remove
7359         may_need_assembler_name_p.  Update all users.
7361         * c-common.c (set_builtin_user_assembler_name): Move ...
7362         * builtins.c (set_builtin_user_assembler_name): ... here.
7363         (is_builtin_name): Add comment
7364         (is_builtin_fn): New.
7365         * except.c (output_ttype): Only call
7366         lookup_type_for_runtime if TYPE is not a runtime type.
7368         * passes.c (register_pass): Call position_pass on
7369         all_small_ipa_passes, all_regular_ipa_passes and all_lto_gen_passes.
7370         * timevar.def (TV_IPA_LTO_GIMPLE_IO): Define.
7371         (TV_IPA_LTO_DECL_IO): Define.
7372         (TV_IPA_LTO_CGRAPH_IO): Define.
7373         (TV_LTO): Define.
7374         (TV_WHOPR_WPA): Define.
7375         (TV_WHOPR_WPA_IO): Define.
7376         (TV_WHOPR_LTRANS): Define.
7377         (TV_WHOPR_WPA_FIXUP): Define.
7378         (TV_WHOPR_WPA_LTRANS_EXEC): Define.
7379         * tree-cfg.c (tree_node_can_be_shared): Make extern.
7380         * tree-flow.h (tree_node_can_be_shared): Declare.
7381         * tree-inline.c (tree_can_inline_p): Check that E has a
7382         statement associated with it.
7383         * tree.c (free_lang_data_in_binf): Factor out of ...
7384         (free_lang_data_in_type): ... here.
7385         Call RECORD_OR_UNION_TYPE_P.
7386         (need_assembler_name_p): Ignore DECL if it does not have TREE_PUBLIC
7387         set.  Call lang_hooks.decls.may_need_assembler_name_p if set.
7388         (free_lang_data_in_decl): Do not clear DECL_CONTEXT for CONST_DECLs.
7389         (free_lang_data): Set debug_info_level to DINFO_LEVEL_NONE.  Set
7390         write_symbols to NO_DEBUG.  Set debug_hooks to do_nothing_debug_hooks.
7391         (gate_free_lang_data): Return true if flag_generate_lto is set.
7392         (walk_tree_1): Call RECORD_OR_UNION_TYPE_P.
7393         * c-common.h (set_builtin_user_assembler_name): Move ...
7394         * tree.h (set_builtin_user_assembler_name): ... here.
7396         * common.opt (flto-report): New flag.
7397         * opts.c (complain_wrong_lang): Do not complain if running lto1.
7398         * collect2.c (scan_prog_file): Send the error output of
7399         'nm' to HOST_BIT_BUCKET.
7401 2009-10-03  Ollie Wild  <aaw@google.com>
7403         * langhooks-def.h (lhd_begin_section): New function declaration.
7404         (lhd_write_section): New function declaration.
7405         (lhd_end_section): New function declaration.
7406         (LANG_HOOKS_BEGIN_SECTION): New macro.
7407         (LANG_HOOKS_WRITE_SECTION_DATA): New macro.
7408         (LANG_HOOKS_END_SECTION): New macro.
7409         (LANG_HOOKS_LTO): New macro.
7410         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_LTO.
7411         * langhooks.c (output.h): Add include.
7412         (saved_section): New static variable.
7413         (lhd_begin_section): New function.
7414         (lhd_write_section_data): New function.
7415         (lhd_end_section): New function.
7416         * langhooks.h (struct lang_hooks_for_lto): New structure.
7417         (struct lang_hooks): Add member lto.
7418         * Makefile.in (langhooks.o): Add dependency on output.h.
7420         * c-opts.c (c_common_post_options): Handle -flto and -fwhopr.
7422 2009-10-03  Richard Guenther  <rguenther@suse.de>
7424         * config/rs6000/rs6000.c (rs6000_output_function_epilogue):
7425         Handle LTO.
7427 2009-10-03  Simon Baldwin  <simonb@google.com>
7428             Richard Guenther  <rguenther@suse.de>
7429             Janis Johnson  <janis187@us.ibm.com>
7430             Doug Kwan  <dougkwan@google.com>
7431             Diego Novillo  <dnovillo@google.com>
7432             Ramana Radhakrishnan  <ramana.r@gmail.com>
7433             Ollie Wild  <aaw@google.com>
7435         * doc/install.texi: Add documentation for libelf and --enable-lto.
7436         * doc/invoke.texi: Document -fwpa, -flto, -fwhopr, -fltrans,
7437         -flto-report, -flto-compression-level and -use-linker-plugin.
7438         * doc/sourcebuild.texi: Document use of zlib.  Document lto-plugin.
7439         Add section for LTO Testing.
7441 2009-10-02  Cary Coutant  <ccoutant@google.com>
7443         Add support for comdat type sections for DWARF v4.
7444         Merge from dwarf4 branch.
7446         * dwarf2out.c (DWARF_TYPE_SIGNATURE_SIZE): New constant.
7447         (dw_die_ref): Define vector type.
7448         (enum dw_val_class): Add dw_val_class_data8.
7449         (struct dw_val_struct): Add v.val_data8.
7450         (comdat_type_node_ref): New type.
7451         (struct die_struct): Move die_symbol into a union; add new field
7452         die_type_node.  Change all uses.
7453         (comdat_type_node): New type.
7454         (skeleton_chain_node): New type.
7455         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): New constant.
7456         (comdat_type_list): New variable.
7457         (dwarf_tag_name): Add DW_TAG_type_unit.
7458         (dwarf_attr_name): Add DW_AT_signature.
7459         (add_AT_data8): New function.
7460         (replace_child): New function.
7461         (move_all_children): New function.
7462         (print_signature): New function.
7463         (print_die): Print signature information; add dw_val_class_data8.
7464         (attr_checksum): Support dw_val_class_data8.
7465         (CHECKSUM_STRING): Redefine for DWARF-4 to include trailing NULL byte.
7466         (CHECKSUM_SLEB128, CHECKSUM_ULEB128): New macros.
7467         (checksum_sleb128, checksum_uleb128): New functions.
7468         (checksum_die_context): New function.
7469         (loc_checksum_ordered): New function.
7470         (attr_checksum_ordered): New function.
7471         (struct checksum_attributes): New structure.
7472         (collect_checksum_attributes): New function.
7473         (die_checksum_ordered): New function.
7474         (generate_type_signature): New function.
7475         (same_dw_val_p): Add dw_val_class_data8.
7476         (is_symbol_die): Use new is_declaration_die function.
7477         (is_declaration_die): New function.
7478         (should_move_die_to_comdat): New function.
7479         (clone_die): New function.
7480         (clone_tree): New function.
7481         (clone_as_declaration): New function.
7482         (copy_declaration_context): New function.
7483         (generate_skeleton_ancestor_tree): New function.
7484         (generate_skeleton_bottom_up): New function.
7485         (generate_skeleton): New function.
7486         (remove_child_or_replace_with_skeleton): New function.
7487         (break_out_comdat_types): New function.
7488         (struct decl_table_entry): New type.
7489         (htab_decl_hash): New function.
7490         (htab_decl_eq): New function.
7491         (htab_decl_del): New function.
7492         (copy_ancestor_tree): New function.
7493         (copy_decls_walk): New function.
7494         (copy_decls_for_unworthy_types): New function.
7495         (build_abbrev_table): Don't assert on missing die_symbol when doing
7496         comdat type sections.
7497         (size_of_die): Use DW_FORM_sig8 for external references.  Add
7498         dw_val_class_data8.
7499         (unmark_dies): Don't assert for unmarked dies when doing comdat
7500         type sections.
7501         (value_format): Support DW_FORM_sig8 and dw_val_class_data8.
7502         (output_signature): New function.
7503         (output_die): Likewise.
7504         (output_compilation_unit_header): Mark output as DWARF version 3
7505         even if generating DWARF 4.
7506         (output_comdat_type_unit): New function.
7507         (output_line_info): Mark output as DWARF version 3 even if generating
7508         DWARF 4.
7509         (dwarf2out_start_source_file): Don't do eliminate_dwarf2_dups with
7510         DWARF-4.
7511         (dwarf2out_end_source_file): Likewise.
7512         (prune_unused_types_walk_attribs): Don't follow references into
7513         comdat type sections.
7514         (prune_unused_types_mark): When generating type units, do not mark
7515         children of non-defining declarations of types; do mark children of
7516         type entries.
7517         (prune_unused_types): Process comdat type sections.
7518         (htab_ct_hash): New function.
7519         (htab_ct_eq): New function.
7520         (dwarf2out_finish): Move types to comdat sections when using DWARF-4.
7521         Add a pointer to the line table from type unit entries so
7522         DW_AT_decl_file has meaning.
7523         * varasm.c (default_elf_asm_named_section): Use identifier name as
7524         comdat key instead of lang hook.
7526 2009-10-02  Neil Vachharajani  <nvachhar@google.com>
7528         * gcov-io.c (gcov_open): Open files read-only when MODE < 0.
7530 2009-10-02  Uros Bizjak  <ubizjak@gmail.com>
7532         * config/i386/i386.md (SWIM248): New mode iterator.
7533         (divmod<mode>4) Macroize expander from divmoddi4, divmodsi4 and
7534         divmodhi4 patterns using SWIM248 macro.
7535         (*divmod<mode>4): Macroize insn_and_split pattern from
7536         *divmoddi4_cltd_rex64, *divmodsi4_cltd and divmodhi4 insn patterns
7537         and their corresponding splitters usign SWIM248 macro.  Split SImode
7538         insn to generate cltd and DImode insn to generate cqto instead of
7539         move+shift when optimizing for size or TARGET_USE_CLTD is in effect.
7540         (*divmoddi4_nocltd_rex64, *divmodsi4_nocltd): Remove insn patterns.
7541         (*divmod<mode>4_noext): Macroize insn from *divmoddi_noext_rex64 and
7542         *divmodsi_noext patterns using SWIM248 macro.
7543         (udivmod<mode>4): Macroize expander from udivmoddi4, udivmodsi4 and
7544         udivmodhi4 patterns using SWIM248 macro.
7545         (*udivmod<mode>4): Macroize insn_and_split pattern from
7546         *udivmoddi4, udivmodsi4 and udivmodhi4 patterns and their
7547         corresponding splitters using SWIM248 macro.
7548         (*udivmod<mode>4_noext): Macroize insn from *udivmoddi4_noext,
7549         *udivmodsi4_noext and *udivmodhi_noext patterns using SWIM248 macro.
7551 2009-10-02  Eric Botcazou  <ebotcazou@adacore.com>
7553         * stor-layout.c (layout_type) <ARRAY_TYPE>: Make sure that an array
7554         of zero-sized element is zero-sized regardless of its extent.
7556 2009-10-02  Jakub Jelinek  <jakub@redhat.com>
7558         PR debug/40521
7559         * configure.ac (HAVE_GAS_CFI_SECTIONS_DIRECTIVE): New test.
7560         * configure: Regenerated.
7561         * config.in: Regenerated.
7562         * dwarf2out.c (dwarf2out_do_cfi_asm): Return false if
7563         !HAVE_GAS_CFI_SECTIONS_DIRECTIVE and not emitting .eh_frame.
7564         (dwarf2out_init): If HAVE_GAS_CFI_SECTIONS_DIRECTIVE and
7565         not emitting .eh_frame, emit .cfi_sections .debug_frame
7566         directive.
7568         PR debug/41404
7569         PR debug/41353
7570         * cfgexpand.c (expand_debug_expr) <case STRING_CST>: Don't create
7571         CONST_STRING if STRING_CST contains embedded '\0's or doesn't end
7572         with '\0'.
7573         (expand_debug_expr) <case VAR_DECL>: For TREE_STATIC !DECL_EXTERNAL
7574         vars use DECL_RTL with resetting it back to NULL afterwards.
7575         * dwarf2out.c (same_dw_val_p): For dw_val_class_addr compare with
7576         rtx_equal_p instead of asserting it is a SYMBOL_REF.
7577         (value_format): For dw_val_class_addr only use DW_FORM_addr if
7578         the attribute type allows it, otherwise use DW_FORM_dataN.
7579         (mem_loc_descriptor): Handle CONST_STRING.
7580         (add_const_value_attribute): Handle CONST_STRING using add_AT_addr.
7581         Handle MEM with CONST_STRING address using add_AT_string.
7582         (rtl_for_decl_init): Return MEM with CONST_STRING address instead of
7583         CONST_STRING for const arrays initialized with a string literal.
7584         (resolve_one_addr, resolve_addr_in_expr, resolve_addr): New functions.
7585         (dwarf2out_finish): Call resolve_addr.
7587 2009-10-02  Andreas Schwab  <schwab@linux-m68k.org>
7588             Maxim Kuvyrkov  <maxim@codesourcery.com>
7590         * config/m68k/lb1sf68.asm (PICCALL): Use variable sized branch.
7592 2009-10-02  Nick Clifton  <nickc@redhat.com>
7594         * config/mn10300/mn10300.h (USER_LABEL_PREFIX): Define.
7595         (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
7597 2009-10-01  Jan Hubicka  <jh@suse.cz>
7599         * cgraph.c (cgraph_clone_node): Add redirect_callers parameter.
7600         (cgraph_create_virtual_clone): Just pass redirect_callers
7601         around.
7602         * cgraph.h (cgraph_clone_node): Update prototype.
7603         * ipa-pure-const.c (self_recursive_p): New function.
7604         (propagate): Use it.
7605         * ipa-inline.c (cgraph_clone_inlined_nodes,
7606         cgraph_decide_recursive_inlining): Update.
7608 2009-10-01  David Daney  <ddaney@caviumnetworks.com>
7610         * gcc/config/mips/mips.c (mips_process_sync_loop) Emit syncw
7611         instructions for TARGET_OCTEON.
7613 2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7615         * config/arm/arm.c (arm_override_options): Turn off
7616         flag_dwarf2_cfi_asm for AAPCS variants.
7618 2009-10-01  Martin Jambor  <mjambor@suse.cz>
7620         PR middle-end/12392
7621         * tree-sra.c (convert_callers): Do not call
7622         compute_inline_parameters on one caller more than once.
7624 2009-10-01  Nick Clifton  <nickc@redhat.com>
7626         * config/vax/netbsd-elf.h (NETBSD_CC1_AND_CC1PLUS_SPEC): Define as
7627         an empty string if not already defined.
7629 2009-10-01  Martin Jambor  <mjambor@suse.cz>
7631         PR bootstrap/41395
7632         * tree-sra.c (is_va_list_type): New function.
7633         (find_var_candidates): Call is_va_list_type.
7634         (find_param_candidates): Check that the type or the type pointed
7635         to are not va_list types.
7637 2009-10-01  Martin Jambor  <mjambor@suse.cz>
7639         PR c++/41503
7640         * cp/pt.c (function_parameter_expanded_from_pack_p): Return false if
7641         DECL_ARTIFICIAL (param_decl) is true.
7643 2009-09-30  Gabriel Dos Reis  <gdr@cs.tamu.edu>
7645         * tree.h (tree_decl_common::lang_flag_8): New.
7646         * c-common.c (c_common_reswords): Include "constexpr" as C++0x
7647         keyword.
7648         * c-common.h (RID_CONSTEXPR): New.
7650 2009-09-30  Uros Bizjak  <ubizjak@gmail.com>
7652         * config/alpha/alpha.c (alpha_gimplify_va_arg_1):
7653         Use ref-all pointers.
7654         (alpha_gimplify_va_arg): Ditto.
7656 2009-09-30  Jakub Jelinek  <jakub@redhat.com>
7658         PR target/41279
7659         * cfgloopanal.c (num_loop_insns): Don't increment ninsns for each bb
7660         before insn counting loop now that BB_END (bb) is counted.  Ensure
7661         the return value isn't zero.
7663 2009-09-30  Nick Clifton  <nickc@redhat.com>
7665         * config.gcc (sh-symbianelf): Replace definition of extra_objs
7666         with separate definitions of c_target_objs and cxx_target_objs.
7667         * config/sh/t-sh: Add rules to build symbian-cxx.o, symbian-c.o
7668         and symbian-base.o.
7669         * config/sh/sh.c (TARGET_CXX_INPUT_EXPORT_CLASS): Use
7670         sh_symbian_import_export_class.
7671         * config/sh/sh-protos.h: Fix names of exported symbian functions.
7672         * config/sh/symbian.c: Delete, moving code into...
7673         * config/sh/symbian-base.c: ... here
7674         * config/sh/symbian-c.c: ... and here
7675         * config/sh/symbian-cxx.c: ... and here.
7677 2009-09-30  Uros Bizjak  <ubizjak@gmail.com>
7679         PR target/22093
7680         * config/alpha/alpha.md (unaligned_storehi_be): Force operand
7681         of plus RTX into register.
7683 2009-09-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7685         * doc/install.texi: Linguistic and markup fixes.
7686         (Configuration) <--disable-cpp>: Remove description.
7687         <--enable-maintainer-mode>: Autotools files are affected, too.
7688         <--with-sysroot>: Improve description.
7689         (Building): Bump required GNU make version.
7691 2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>
7693         * config.gcc (i[34567]86-*-*): Include fma4intrin.h.
7694         (x86_64-*-*): Ditto.
7696         * config/i386/fma4intrin.h: New file, provide common x86 compiler
7697         intrinisics for FMA4.
7698         * config/i386/cpuid.h (bit_FMA4): Define FMA4 bit.
7699         * config/i386/x86intrin.h: Fix typo to SSE4A instead of SSE4a.
7700         Add FMA4 check and fma4intrin.h.
7701         * config/i386/i386-c.c(ix86_target_macros_internal): Check
7702         ISA_FLAG for FMA4.
7703         * config/i386/i386.h(TARGET_FMA4): New macro for FMA4.
7704         * config/i386/i386.md (UNSPEC_FMA4_INTRINSIC): Add new UNSPEC
7705         constant for FMA4 support.
7706         (UNSPEC_FMA4_FMADDSUB): Ditto.
7707         (UNSPEC_FMA4_FMSUBADD): Ditto.
7708         * config/i386/i386.opt (-mfma4): New switch for FMA4 support.
7709         * config/i386/i386-protos.h (ix86_fma4_valid_op_p): Add declaration.
7710         (ix86_expand_fma4_multiple_memory): Ditto.
7711         * config/i386/i386.c (OPTION_MASK_ISA_FMA4_SET): New.
7712         (OPTION_MASK_ISA_FMA4_UNSET): New.
7713         (OPTION_MASK_ISA_SSE4A_UNSET): Change definition to depend on FMA4.
7714         (OPTION_MASK_ISA_AVX_UNSET): Change definition to depend on FMA4.
7715         (ix86_handle_option): Handle -mfma4.
7716         (isa_opts): Handle -mfma4.
7717         (enum pta_flags): Add PTA_FMA4.
7718         (override_options): Add FMA4 support.
7719         (IX86_BUILTIN_VFMADDSS): New for FMA4 intrinsic.
7720         (IX86_BUILTIN_VFMADDSD): Ditto.
7721         (IX86_BUILTIN_VFMADDPS): Ditto.
7722         (IX86_BUILTIN_VFMADDPD): Ditto.
7723         (IX86_BUILTIN_VFMSUBSS): Ditto.
7724         (IX86_BUILTIN_VFMSUBSD): Ditto.
7725         (IX86_BUILTIN_VFMSUBPS): Ditto.
7726         (IX86_BUILTIN_VFMSUBPD): Ditto.
7727         (IX86_BUILTIN_VFMADDSUBPS): Ditto.
7728         (IX86_BUILTIN_VFMADDSUBPD): Ditto.
7729         (IX86_BUILTIN_VFMSUBADDPS): Ditto.
7730         (IX86_BUILTIN_VFMSUBADDPD): Ditto.
7731         (IX86_BUILTIN_VFNMADDSS): Ditto.
7732         (IX86_BUILTIN_VFNMADDSD): Ditto.
7733         (IX86_BUILTIN_VFNMADDPS): Ditto.
7734         (IX86_BUILTIN_VFNMADDPD): Ditto.
7735         (IX86_BUILTIN_VFNMSUBSS): Ditto.
7736         (IX86_BUILTIN_VFNMSUBSD): Ditto.
7737         (IX86_BUILTIN_VFNMSUBPS): Ditto.
7738         (IX86_BUILTIN_VFNMSUBPD): Ditto.
7739         (IX86_BUILTIN_VFMADDPS256): Ditto.
7740         (IX86_BUILTIN_VFMADDPD256): Ditto.
7741         (IX86_BUILTIN_VFMSUBPS256): Ditto.
7742         (IX86_BUILTIN_VFMSUBPD256): Ditto.
7743         (IX86_BUILTIN_VFMADDSUBPS256): Ditto.
7744         (IX86_BUILTIN_VFMADDSUBPD256): Ditto.
7745         (IX86_BUILTIN_VFMSUBADDPS256): Ditto.
7746         (IX86_BUILTIN_VFMSUBADDPD256): Ditto.
7747         (IX86_BUILTIN_VFNMADDPS256): Ditto.
7748         (IX86_BUILTIN_VFNMADDPD256): Ditto.
7749         (IX86_BUILTIN_VFNMSUBPS256): Ditto.
7750         (IX86_BUILTIN_VFNMSUBPD256): Ditto.
7751         (enum multi_arg_type): New enum for describing the various FMA4
7752         intrinsic argument types.
7753         (bdesc_multi_arg): New table for FMA4 intrinsics.
7754         (ix86_init_mmx_sse_builtins): Add FMA4 intrinsic support.
7755         (ix86_expand_multi_arg_builtin): New function for creating FMA4
7756         intrinsics.
7757         (ix86_expand_builtin): Add FMA4 intrinsic support.
7758         (ix86_fma4_valid_op_p): New function to validate FMA4 3 and 4
7759         operand instructions.
7760         (ix86_expand_fma4_multiple_memory): New function to split the
7761         second memory reference from FMA4 instructions.
7762         * config/i386/sse.md (ssemodesuffixf4): New mode attribute for FMA4.
7763         (ssemodesuffixf2s): Ditto.
7764         (fma4_fmadd<mode>4): Add FMA4 floating point multiply/add
7765         instructions.
7766         (fma4_fmsub<mode>4): Ditto.
7767         (fma4_fnmadd<mode>4): Ditto.
7768         (fma4_fnmsub<mode>4): Ditto.
7769         (fma4_vmfmadd<mode>4): Ditto.
7770         (fma4_vmfmsub<mode>4): Ditto.
7771         (fma4_vmfnmadd<mode>4): Ditto.
7772         (fma4_vmfnmsub<mode>4): Ditto.
7773         (fma4_fmadd<mode>4256): Ditto.
7774         (fma4_fmsub<mode>4256): Ditto.
7775         (fma4_fnmadd<mode>4256): Ditto.
7776         (fma4_fnmsub<mode>4256): Ditto.
7777         (fma4_fmaddsubv8sf4): Ditto.
7778         (fma4_fmaddsubv4sf4): Ditto.
7779         (fma4_fmaddsubv4df4): Ditto.
7780         (fma4_fmaddsubv2df4): Ditto.
7781         (fma4_fmsubaddv8sf4): Ditto.
7782         (fma4_fmsubaddv4sf4): Ditto.
7783         (fma4_fmsubaddv4df4): Ditto.
7784         (fma4_fmsubaddv2df4): Ditto.
7785         (fma4i_fmadd<mode>4): Add FMA4 floating point multiply/add
7786         instructions for intrinsics.
7787         (fma4i_fmsub<mode>4): Ditto.
7788         (fma4i_fnmadd<mode>4): Ditto.
7789         (fma4i_fnmsub<mode>4): Ditto.
7790         (fma4i_vmfmadd<mode>4): Ditto.
7791         (fma4i_vmfmsub<mode>4): Ditto.
7792         (fma4i_vmfnmadd<mode>4): Ditto.
7793         (fma4i_vmfnmsub<mode>4): Ditto.
7794         (fma4i_fmadd<mode>4256): Ditto.
7795         (fma4i_fmsub<mode>4256): Ditto.
7796         (fma4i_fnmadd<mode>4256): Ditto.
7797         (fma4i_fnmsub<mode>4256): Ditto.
7798         (fma4i_fmaddsubv8sf4): Ditto.
7799         (fma4i_fmaddsubv4sf4): Ditto.
7800         (fma4i_fmaddsubv4df4): Ditto.
7801         (fma4i_fmaddsubv2df4): Ditto.
7802         (fma4i_fmsubaddv8sf4): Ditto.
7803         (fma4i_fmsubaddv4sf4): Ditto.
7804         (fma4i_fmsubaddv4df4): Ditto.
7805         (fma4i_fmsubaddv2df4): Ditto.
7807         * doc/invoke.texi (-mfma4): Add documentation.
7808         * doc/extend.texi (x86 intrinsics): Add FMA4 intrinsics.
7810 2009-09-29  Richard Henderson  <rth@redhat.com>
7812         * tree-eh.c (unsplit_eh): Do not unsplit if there's already
7813         an edge to the new destination block.
7815 2009-09-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7817         PR target/41393
7818         * pa.c (hppa_profile_hook): Use
7819         make_reg_eh_region_note_nothrow_nononlocal to add REG_EH_REGION note.
7821 2009-09-29  Steve Ellcey  <sje@cup.hp.com>
7822             Alexander Monakov  <amonakov@ispras.ru>
7824         PR target/41365
7825         * config/ia64/predicates.md (not_postinc_destination_operand): New.
7826         (not_postinc_memory_operand): New.
7827         (not_postinc_move_operand): New.
7828         * config/ia64/ia64.md (*cmovdi_internal): Disallow autoincrement.
7829         (*cmovsi_internal): Ditto.
7831 2009-09-29  Pat Haugen  <pthaugen@us.ibm.com>
7833         * config/rs6000/rs6000.c (rs6000_issue_rate): Don't artificially
7834         restrict issue_rate in first pass when scheduling for register
7835         pressure.
7837 2009-09-29  Basile Starynkevitch  <basile@starynkevitch.net>
7838             Rafael Avila de Espindola  <espindola@google.com>
7840         * gengtype.c (plugin_output): New.
7841         (get_output_file_with_visibility): Return plugin_output for plugins.
7842         (main): Parse and use the -P option.
7843         * gty.texi: Update the command line format.
7845 2009-09-29  Jakub Jelinek  <jakub@redhat.com>
7847         PR debug/41438
7848         * dwarf2out.c (const_ok_for_output_1, const_ok_for_output): New
7849         functions.
7850         (mem_loc_descriptor, loc_descriptor, add_const_value_attribute): Bail
7851         out if !const_ok_for_output.
7853         PR debug/41474
7854         * dwarf2out.c (mem_loc_descriptor) <case CONCAT, case CONCATN,
7855         case VAR_LOCATION>: Remove gcc_unreachable ().
7857 2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>
7859         * config.gcc (i[34567]86-*-*): Remove mmintrin-common.h.
7860         (x86_64-*-*): Ditto.
7861         * config/i386/smmintrin.h: Move instructions in mmintrin-common.h
7862         back to smmintrin.h.
7863         * config/i386/cpuid.h (bit_SSE5): Remove SSE5 bit.
7864         * config/i386/x86intrin.h: Remove SSE5.
7865         * config/i386/mmintrin-common.h: Delete file.
7866         * doc/extend.texi (x86 intrinsics): Remove SSE5 flags and builtins.
7868 2009-09-29  Richard Guenther  <rguenther@suse.de>
7870         * alias.c (ao_ref_from_mem): Properly deal with off decl accesses
7871         resulting from stack temporaries on STRICT_ALIGNMENT targets.
7873 2009-09-29  Nick Clifton  <nickc@redhat.com>
7875         * function.c (current_function_name): If there is no current
7876         function just return "<none>".
7878 2009-09-28  Sriraman Tallam  <tmsriram@google.com>
7880         * tree-pass.h (register_pass_info): New structure.
7881         (pass_positioning_ops): Move enum from gcc-plugin.h.
7882         (register_pass): New function.
7883         * gcc-plugin.h (plugin_pass): Delete structure.
7884         (pass_positioning_ops): Delete enum.
7885         * plugin.c (regsiter_pass): Delete function.
7886         (position_pass): Delete function.
7887         (added_pass_nodes): Delete variable.
7888         (prev_added_pass_nodes): Delete variable.
7889         (pass_list_node): Delete structure.
7890         * passes.c (make_pass_instance): New function.
7891         (next_pass_1): Change to call make_pass_instance.
7892         (pass_list_node): Move structure from gcc-plugin.h.
7893         (added_pass_nodes): Move variable from plugin.c.
7894         (prev_added_pass_nodes): Move variable from plugin.c.
7895         (position_pass): New function.
7896         (register_pass): New function.
7898 2009-09-28  Easwaran Raman  <eraman@google.com>
7900         * ifcvt.c (noce_try_abs): Recognize pattern and call
7901         expand_one_cmpl_abs_nojump.
7902         * optabs.c (expand_one_cmpl_abs_nojump): New function.
7903         * optabs.h (expand_one_cmpl_abs_nojump): Declare.
7905 2009-09-28  Ian Lance Taylor  <iant@google.com>
7907         PR middle-end/40500
7908         * c-opts.c (c_common_handle_option): Don't set
7909         warn_jump_misses_init for -Wall.
7910         * doc/invoke.texi (Warning Options): Update documentation.
7912 2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7914         * Makefile.in ($(out_object_file)): Depend on
7915         gt-$(basename $(notdir $(out_file))).h.
7917 2009-09-28  Richard Henderson  <rth@redhat.com>
7919         * except.h (struct eh_region_d): Add use_cxa_end_cleanup.
7920         * except.c (gen_eh_region): Set it.
7921         (duplicate_eh_regions_1): Copy it.
7922         * tree-eh.c (lower_resx): Use it to determine which function
7923         to call to resume.
7925         * langhooks.h (struct lang_hooks): Add eh_use_cxa_end_cleanup.
7926         * langhooks-def.h (LANG_HOOKS_EH_USE_CXA_END_CLEANUP): New.
7927         * builtins.def (BUILT_IN_CXA_END_CLEANUP): New.
7928         * tree.c (build_common_builtin_nodes): Remove parameter.  Build
7929         BUILT_IN_CXA_END_CLEANUP if necessary.
7931         * c-common.c (c_define_builtins): Update call to
7932         build_common_builtin_nodes.
7934 2009-09-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7936         * spu.c (get_branch_target): Return NULL for ASM_OPERANDS patterns.
7938 2009-09-28  Michael Matz  <matz@suse.de>
7940         * builtins.c (interclass_mathfn_icode): New helper.
7941         (expand_builtin_interclass_mathfn): Use it here, and split folding
7942         into ...
7943         (fold_builtin_interclass_mathfn): ... this new folder.
7944         (build_call_nofold_loc): New static helper.
7945         (build_call_nofold): New wrapper macro for above.
7946         (expand_builtin_int_roundingfn): Use it instead of build_call_expr.
7947         (expand_builtin_pow): Ditto.
7948         (expand_builtin_memset_args): Ditto.
7949         (expand_builtin_printf): Ditto.
7950         (expand_builtin_fprintf): Ditto.
7951         (expand_builtin_sprintf): Ditto.
7952         (expand_builtin_memory_chk): Ditto.
7953         (expand_builtin_mempcpy_args): Ditto and don't call folders.
7954         (expand_builtin_stpcpy): Ditto.
7955         (expand_builtin_strcmp): Ditto.
7956         (expand_builtin_strncmp): Ditto.
7957         (expand_builtin_strcpy): Remove FNDECL and MODE arguments.
7958         (expand_builtin_strcpy_args): Don't call folders.
7959         (expand_builtin_memcmp): Ditto.
7960         (expand_builtin_strncpy): Ditto, and use target.
7961         (expand_builtin_memcpy): Ditto.
7962         (expand_builtin_strstr, expand_builtin_strchr, expand_builtin_strrchr,
7963         expand_builtin_strpbrk, expand_builtin_memmove,
7964         expand_builtin_memmove_args, expand_builtin_bcopy,
7965         expand_builtin_memchr, expand_builtin_strcat, expand_builtin_strncat,
7966         expand_builtin_strspn, expand_builtin_strcspn,
7967         expand_builtin_fputs): Remove these.
7968         (expand_builtin): Don't call the above, change calls to other
7969         expanders that changed prototype.
7970         (fold_builtin_stpcpy): New folder split out from expand_builtin_stpcpy.
7971         (fold_builtin_1 <ISFINITE, ISINF, ISNORMAL>): Call
7972         fold_builtin_interclass_mathfn.
7973         (fold_builtin_2 <STPCPY>): Call fold_builtin_stpcpy.
7974         (fold_builtin_strcat): Add folding split from expand_builtin_strcat.
7976         * fold-const.c (fold_binary_loc <NE_EXPR>): Add !exp != 0 -> !exp.
7977         * passes.c (init_optimization_passes): Move pass_fold_builtins
7978         after last phiopt pass.
7979         * tree-inline.c (fold_marked_statements): When folding builtins
7980         iterate over all instruction potentially generated.
7981         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Declare
7982         earlier.
7983         (fold_gimple_call): Use it to always fold calls (into potentially
7984         multiple instructions).
7985         * tree-ssa-dom.c (optimize_stmt): Resolve __builtin_constant_p
7986         calls into zero at this time.
7987         * tree-ssa-propagate.c (substitute_and_fold): Ignore multiple
7988         statements generated by builtin folding.
7990 2009-09-28  Nick Clifton  <nickc@redhat.com>
7992         * config/m32r/m32r.c (m32r_is_insn): Return false for debugging insns.
7994 2009-09-28  Duncan Sands  <baldrick@free.fr>
7996         * gcc-plugin.h (PLUGIN_REGISTER_GGC_CACHES): New event.
7997         * plugin.c (plugin_event_name): Add PLUGIN_REGISTER_GGC_CACHES.
7998         (register_callback): Dispatch it.
7999         (invoke_plugin_callbacks): Incorporate in sanity check.
8000         * ggc.h (ggc_register_cache_tab): Add declaration.
8001         * ggc-common.c (ggc_register_root_tab): Simplify.
8002         (const_ggc_cache_tab_t): New typedef.
8003         (extra_cache_vec): New vector of dynamically added cache tables.
8004         (ggc_register_cache_tab): New function.
8005         (ggc_scan_cache_tab): New function.
8006         (ggc_mark_roots): Simplify dynamic roots.  Handle dynamic caches.
8007         * doc/plugins.texi: Document PLUGIN_REGISTER_GGC_CACHES.
8009 2009-09-27  Richard Henderson  <rth@redhat.com>
8011         * tree-ssa-ccp.c (optimize_stack_restore): Relax the conditions under
8012         which we remove __builtin_stack_restore.
8014 2009-09-27  Bernd Schmidt  <bernd.schmidt@analog.com>
8016         * loop-iv.c (iv_analyze_op): Use function_invariant_p, not CONSTANT_P,
8017         to test for GRD_INVARIANT.
8018         (simple_rhs_p): Anything that's function_invariant_p is fine.
8020 2009-09-27  Rafael Avila de Espindola  <espindola@google.com>
8022         * gengtype.c (main): Use plunge_files instead of plugin_output.
8024 2009-09-27  Basile Starynkevitch  <basile@starynkevitch.net>
8025             Rafael Avila de Espindola  <espindola@google.com>
8027         * gengtype.c (write_root, write_roots): Add a emit_pch argument.
8028         Don't print pch related info if it is false.
8029         (main): Don't print pch info in plugin mode.
8031 2009-09-27  Eric Botcazou  <ebotcazou@adacore.com>
8033         * dwarf2out.c (enum dw_val_class): Replace dw_val_class_long_long
8034         with dw_val_class_const_double.
8035         (struct dw_val_struct): Replace val_long_long with val_double and
8036         adjust for above change.
8037         (output_loc_operands): Likewise.
8038         (add_AT_long_long): Rename into...
8039         (add_AT_double): ...this.
8040         (print_die): Replace dw_val_class_long_long with
8041         dw_val_class_const_double and adjust.
8042         (attr_checksum): Likewise.
8043         (same_dw_val_p): Likewise.
8044         (size_of_die): Likewise.
8045         (value_format): Likewise.
8046         (output_die): Likewise.
8047         (loc_descriptor) <CONST_DOUBLE>: Likewise.
8048         (add_const_value_attribute) <CONST_DOUBLE>: Call add_AT_double
8049         instead of add_AT_long_long.
8050         (add_bound_info) <INTEGER_CST>: Generate the bound as an unsigned
8051         value with the precision of its type.
8053 2009-09-27  Andreas Schwab  <schwab@linux-m68k.org>
8055         PR c/41476
8056         * c-typeck.c (build_conditional_expr): Use the readonly and
8057         volatile flags of the operand types, not of the operands itself.
8059 2009-09-27  Peter O'Gorman  <pogma@thewrittenword.com>
8061         * collect2.c (main): Look for -brtl before adding libraries.
8063 2009-09-27  Jonathan Gray  <jsg@openbsd.org>
8065         * config.gcc: Update OpenBSD targets.
8066         * config/openbsd-stdint.h: New file.
8067         * config/openbsd-libpthread.h: New file.
8068         * config/openbsd.h: Update and break out LIB_SPEC definition.
8069         * config/alpha/openbsd.h: Overhaul to reflect ELF migration.
8070         * config/i386/openbsdelf.h: Correct types.
8071         * config/m68k/openbsd.h: Likewise.
8072         * config/mips/openbsd.h: Likewise.
8073         * config/vax/openbsd.h: Likewise.
8075 2009-09-27  Eric Botcazou  <ebotcazou@adacore.com>
8077         * fold-const.c (maybe_lvalue_p): Return false for M(IN|AX)_EXPR.
8078         (extract_muldiv_1) <MINUS_EXPR>: Swap operands if necessary.
8079         * stor-layout.c (layout_type) <ARRAY_TYPE>: Do not take the maximum
8080         of the length and zero.
8082 2009-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8084         * Makefile.in (TOPLEV_H): Use $(INPUT_H) not input.h.
8085         (FLAGS_H): Add options.h $(REAL_H).
8086         (SEL_SCHED_IR_H): Add $(BITMAP_H) vecprim.h $(CFGLOOP_H).
8087         (TREE_VECTORIZER_H): New.
8088         (EBITMAP_H): Renamed from EBIMAP_H.
8089         (c-decl.o, c-objc-common.o, c-pretty-print.o, attribs.o, c-omp.o)
8090         (gtype-desc.o, ggc-common.o, ggc-page.o, ggc-zone.o, langhooks.o)
8091         (tree.o, tree-ssa-structalias.o, tree-ssa-ter.o, tree-ssanames.o)
8092         (tree-phinodes.o, tree-ssa-loop.o, tree-ssa-math-opts.o)
8093         (gimple-low.o, omp-low.o, sese.o, graphite-blocking.o)
8094         (graphite-clast-to-gimple.o, graphite-dependences.o)
8095         (graphite-interchange.o, graphite-poly.o, graphite-scop-detection.o)
8096         (graphite-sese-to-poly.o, tree-vect-loop.o, tree-vect-loop-manip.o)
8097         (tree-vect-patterns.o, tree-vect-slp.o, tree-vect-stmts.o)
8098         (tree-vect-data-refs.o, tree-vectorizer.o, gimple.o, tree-mudflap.o)
8099         (targhooks.o, stmt.o, emit-rtl.o, ipa.o, matrix-reorg.o, ipa-inline.o)
8100         (gcse.o, tree-ssa-ccp.o, df-byte-scan.o, vec.o, caller-save.o)
8101         (ira-build.o, ira-costs.o, ira-color.o, ira-emit.o, ira.o)
8102         (haifa-sched.o, sched-rgn.o, sel-sched.o, sel-sched-dump.o)
8103         (sel-sched-ir.o, final.o, $(out_object_file)): Dependencies
8104         updated and fixed as per above changes and per
8105         check_makefile_deps.sh output.
8107         PR bootstrap/40928
8108         * configure.ac: Use $LIBS for '-ldl', not $LDFLAGS.
8109         * configure: Regenerate.
8111 2009-09-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8113         * doc/install.texi: Update minimum MPC version to 0.7.
8115 2009-09-26  Gerald Pfeifer  <gerald@pfeifer.com>
8117         * doc/install.texi (Binaries): Remove reference to the binary
8118         distribution CD-ROM from the FSF.
8120 2009-09-26  Michael Matz  <matz@suse.de>
8122         PR lto/40758
8123         PR middle-end/41470
8124         * tree-ssa-coalesce.c (coalesce_ssa_name): Add only SSA names
8125         that are mentioned in the body.
8127 2009-09-26  Michael Matz  <matz@suse.de>
8129         PR tree-optimization/41454
8130         * tree-ssa-dom (stmts_to_rescan): Remove variable.
8131         (tree_ssa_dominator_optimize): Don't allocate and free it.
8132         (dom_opt_leave_block): Don't iterate over it.
8133         (eliminate_redundant_computations): Don't return a value.
8134         (cprop_operand, cprop_into_stmt): Ditto.
8135         (optimize_stmt): Don't defer updating stmts.
8137 2009-09-25  Dodji Seketeli  <dodji@redhat.com>
8139         * dwarf2out.c (dwarf_tag_name, gen_generic_params_dies,
8140         generic_parameter_die, template_parameter_pack_die,
8141         gen_formal_parameter_die, gen_subprogram_die): Adjust after
8142         renaming DW_TAG_formal_parameter_pack and
8143         DW_TAG_template_parameter_pack into DW_TAG_GNU_formal_parameter_pack
8144         and DW_TAG_GNU_template_parameter_pack.
8146 2009-09-25  Anatoly Sokolov  <aesok@post.ru>
8148         * config/v850/v850.h (FUNCTION_VALUE): Remove.
8149         * config/v850/v850.c (v850_function_value): New function.
8150         (TARGET_FUNCTION_VALUE): Define.
8152 2009-09-25  Jakub Jelinek  <jakub@redhat.com>
8154         * tree-vect-stmts.c (vectorizable_call): Call
8155         mark_symbols_for_renaming after vect_finish_stmt_generation.
8157         * dwarf2out.c (tls_mem_loc_descriptor): Pass 1 instead of 2
8158         to loc_descriptor_from_tree.
8159         (add_location_or_const_value_attribute): Pass 0 instead of 2
8160         for decl_by_reference_p decls.
8162 2009-09-25  Richard Guenther  <rguenther@suse.de>
8164         PR middle-end/41463
8165         * tree-dfa.c (get_ref_base_and_extent): Fix issue with trailing
8166         arrays again.
8168 2009-09-25  Ben Elliston  <bje@au.ibm.com>
8170         * doc/invoke.texi (RS/6000 and PowerPC Options): Add missing comma
8171         after `power7'.
8173 2009-09-25  Alan Modra  <amodra@bigpond.net.au>
8175         * config/rs6000/rs6000.md (load_toc_v4_PIC_3c): Correct POWER
8176         form of instruction.
8178 2009-09-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8180         PR middle-end/41435
8181         * fold-const.c (const_binop): Handle complex int division.
8182         * tree-complex.c (expand_complex_div_straight,
8183         expand_complex_div_wide): Update comments.
8185 2009-09-24  DJ Delorie  <dj@redhat.com>
8187         PR target/41456
8188         * config/m32c/m32c.h (REG_CLASS_CONTENTS): Add R13.
8189         (reg_class): Likewise.
8190         (REG_CLASS_NAMES): Likewise.
8191         * config/m32c/m32c.c (m32c_reg_class_from_constraint): Likewise.
8192         (m32c_override_options): Disable -fivopts for M32C.
8194 2009-09-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
8196         * config/rs6000/predicates.md (indexed_or_indirect_operand):
8197         Delete VSX load/store with update support.
8198         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Ditto.
8199         * config/rs6000/vsx.md (vsx_mov<mode>): Ditto.
8200         (vsx_movti): Ditto.
8201         (VSX_U): Delete.
8202         (VSbit): Ditto.
8203         (VStype_load_update): Ditto.
8204         (VStype_store_update): Ditto.
8205         (vsx_load<VSX_U:mode>_update_<P:mptrsize>): Ditto.
8206         (vsx_store<VSX_U:mode>_update_<P:mptrsize>): Ditto.
8208         * config/rs6000/rs6000.h (enum rs6000_builtins): Delete VSX
8209         load/store with update builtins.
8211 2009-09-24  Kai Tietz  <kai.tietz@onevision.com>
8213         * libgcc2.c (L_trampoline): Prototype for getpagesize
8214         and mprotect in WINNT case.
8216 2009-09-24  Anatoly Sokolov  <aesok@post.ru>
8218         * config/rs6000/rs6000.h (FUNCTION_VALUE): Remove macro.
8219         * config/rs6000/rs6000-protos.h (rs6000_function_value): Remove.
8220         * config/rs6000/rs6000.c (rs6000_function_value): Make static, add
8221         'outgoing' argument.
8222         (TARGET_FUNCTION_VALUE): Define.
8224 2009-09-24  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
8226         * config/darwin.h (DWARF2_DEBUGGING_INFO): Define as 1.
8228 2009-09-24  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
8230         PR bootstrap/41405
8231         * common.opt: Initialize dwarf_strict to -1.
8232         * toplev.c (process_options): Catch unset dwarf_strict
8233         and set to 0 for all targets not overriding.
8234         * config/darwin.c (darwin_override_options): Catch unset
8235         dwarf_strict and override to 1.
8237 2009-09-24  Jeff Law  <law@redhat.com>
8239         * tree-into-ssa.c (rewrite_into_ssa): Free interesting_blocks.
8241 2009-09-24  Richard Guenther  <rguenther@suse.de>
8243         PR tree-optimization/36143
8244         PR tree-optimization/38747
8245         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
8246         create VIEW_CONVERT_EXPRs for TBAA compatible accesses.
8248 2009-09-24  Jakub Jelinek  <jakub@redhat.com>
8250         PR bootstrap/41457
8251         * dwarf2out.c (add_const_value_attribute): For HIGH and CONST_FIXED,
8252         return false instead of gcc_unreachable ().  For CONST return the
8253         value returned by recursive call instead of always returning true.
8254         (tree_add_const_value_attribute): Return the value returned by
8255         add_const_value_attribute instead of always returning true if rtl
8256         is non-NULL.
8258 2009-09-23  Justin Seyster  <jrseys@gmail.com>
8260         * Makefile.in (PLUGIN_HEADERS): Include real.h.
8262 2009-09-24  Jakub Jelinek  <jakub@redhat.com>
8264         * cgraphunit.c (cgraph_lower_function): Revert last change.
8265         * targhooks.c (default_static_chain): Use !DECL_STATIC_CHAIN
8266         instead of DECL_NO_STATIC_CHAIN.
8267         * tree-cfg.c (verify_gimple_call): Likewise.
8268         * tree-nested.c (get_chain_decl, get_chain_field,
8269         convert_tramp_reference_op, convert_gimple_call): Likewise.
8270         (convert_all_function_calls): Likewise.  Always set or clear
8271         DECL_STATIC_CHAIN initially, for !n->outer clear it.
8272         (lower_nested_functions): Remove DECL_NO_STATIC_CHAIN checking code.
8273         * c-parser.c (c_parser_declaration_or_fndef): Set DECL_STATIC_CHAIN
8274         if nested.
8275         * print-tree.c (print_node): Handle DECL_STATIC_CHAIN instead of
8276         DECL_NO_STATIC_CHAIN.
8277         * config/i386/i386.c (ix86_static_chain): Use !DECL_STATIC_CHAIN
8278         instead of DECL_NO_STATIC_CHAIN.
8279         (ix86_function_regparm, find_drap_reg): Likewise.  Don't test
8280         decl_function_context.
8281         * varasm.c (initializer_constant_valid_p): Likewise.
8282         * tree.h (DECL_NO_STATIC_CHAIN): Renamed to ...
8283         (DECL_STATIC_CHAIN): ... this.
8284         * config/moxie/moxie.c (moxie_static_chain): Use !DECL_STATIC_CHAIN
8285         instead of DECL_NO_STATIC_CHAIN.
8287 2009-09-23  Basile Starynkevitch  <basile@starynkevitch.net>
8288             Rafael Avila de Espindola  <espindola@google.com>
8290         * gengtype.c (nb_plugin_files): Make it unsigned to match
8291         num_gt_files. Adjust other variables to avoid warnings.
8292         (main): Allocate an all zero lang_bitmap before each plugin file name
8293         to match regular file names.
8295 2009-09-23  Richard Henderson  <rth@redhat.com>
8297         * doc/tm.texi (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.
8298         (TARGET_STATIC_CHAIN): Mention that this hook must be used for
8299         static chain passed in memory.
8300         * system.h (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Poison.
8301         * targhooks.c (default_static_chain): Don't handle STATIC_CHAIN,
8302         STATIC_CHAIN_INCOMING.  Issue a sorry if there's no
8303         STATIC_CHAIN_REGNUM defined.
8305         * config/picochip/picochip-protos.h: s/class/klass/.
8306         * config/picochip/picochip.c (TARGET_STATIC_CHAIN): New.
8307         (picochip_static_chain): New.
8308         * config/picochip/picochip.h (STATIC_CHAIN): Remove.
8309         (STATIC_CHAIN_INCOMING): Remove.
8311         * config/xtensa/xtensa.c (TARGET_STATIC_CHAIN): New.
8312         (xtensa_static_chain): New.
8313         * config/xtensa/xtensa.h (STATIC_CHAIN): Remove.
8314         (STATIC_CHAIN_INCOMING): Remove.
8316 2009-09-23  Anatoly Sokolov  <aesok@post.ru>
8318         * config/pa/pa.h (FUNCTION_VALUE): Remove macro.
8319         * config/pa/pa-protos.h (function_value): Remove.
8320         * config/pa/pa.c (pa_function_value): Rename from function_value.
8321         Make static, add 'outgoing' argument.
8322         (TARGET_FUNCTION_VALUE): Define.
8324 2009-09-23  Anatoly Sokolov  <aesok@post.ru>
8326         * config/avr/avr.c (avr_regs_to_save): Use current_function_is_leaf
8327         instead of cfun->machine->is_leaf.
8328         * config/avr/avr.h (machine_function): Remove is_leaf field.
8330 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
8332         PR debug/41439
8333         * dwarf2out.c (address_of_int_loc_descriptor): Don't emit
8334         DW_OP_piece after DW_OP_stack_value, adjust size calculations
8335         for it, when DW_OP_stack_value and DW_OP_implicit_value has
8336         the same size, prefer DW_OP_stack_value.
8337         (loc_descriptor, loc_list_for_address_of_addr_expr_of_indirect_ref,
8338         loc_list_from_tree): Don't emit DW_OP_piece after DW_OP_stack_value.
8340 2009-09-23  Alexandre Oliva  <aoliva@redhat.com>
8342         PR debug/41353
8343         * var-tracking.c (add_with_sets): Sort MO_VAL_LOC last among uses.
8345 2009-09-23  Alexandre Oliva  <aoliva@redhat.com>
8347         PR debug/41248
8348         * cfgexpand.c (convert_debug_memory_address): New.
8349         (expand_debug_expr): Convert base address and offset to the same
8350         mode.  Use it to convert addresses to other modes.  Accept
8351         ptr_mode addresses.
8353 2009-09-23  Dodji Seketeli <dodji@redhat.com>
8355         PR debug/41065
8356         * function.h (types_used_by_vars_hash): Declare new hash table.
8357         (types_used_by_vars_eq, types_used_by_var_decl_insert): Declare
8358         equality and hash function for the hash table.
8359         (types_used_by_cur_var_decl): Declare a new global chained list.
8360         (types_used_by_var_decl_insert): Declare new function.
8361         * function.c (types_used_by_vars_hash): Define the hashtable ...
8362         (types_used_by_vars_eq, types_used_by_vars_do_hash): ... as well as
8363         its equality and hash functions.
8364         (hash_types_used_by_vars_entry): New hash helper.
8365         (types_used_by_cur_var_decl): Define the global chained list.
8366         (used_types_insert): Update the list of types used by the global
8367         variable being parsed.
8368         (types_used_by_var_decl_insert): Define new function.
8369         * c-common.h (record_types_used_by_current_var_decl): Declare ...
8370         * c-common.c (record_types_used_by_current_var_decl): ... new
8371         function.
8372         * c-decl.c (finish_decl): Record the types used by the global
8373         variable declaration we've just parsed.
8374         * dwarf2out.c (premark_used_types): Insert a new line between
8375         comment and function.
8376         (premark_used_types_helper): Fix comment.
8377         (premark_types_used_by_global_vars_helper,
8378         premark_types_used_by_global_vars): New functions.
8379         (prune_unused_types): Do not prune types used by global variables.
8381 2009-09-23  Richard Guenther  <rguenther@suse.de>
8383         * alias.c (ao_ref_from_mem): Correct for negative MEM_OFFSET
8384         produced for bigendian targets with promoted subregs.
8386 2009-09-23  Richard Guenther  <rguenther@suse.de>
8388         * value-prof.c (gimple_ic): Purge old EH edges only after building
8389         the new ones.
8391 2009-09-23  Nick Clifton  <nickc@redhat.com>
8393         * config/arc/arc.c (arc_trampoline_init): Fix typo.
8395 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
8397         PR bootstrap/41405
8398         * doc/invoke.texi: Document -gstrict-dwarf and -gno-strict-dwarf.
8400         PR bootstrap/41436
8401         * cgraphunit.c (cgraph_lower_function): Set DECL_NO_STATIC_CHAIN
8402         on non-nested functions.
8404 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
8405             Jan Hubicka  <jh@suse.cz>
8407         * dwarf2out.c (loc_list_plus_const): Only define if
8408         DWARF2_DEBUGGING_INFO.
8409         (address_of_int_loc_descriptor): Likewise.
8411         PR debug/41411
8412         * dwarf2out.c (mem_loc_descriptor): Handle HIGH.
8414 2009-09-23  Uros Bizjak  <ubizjak@gmail.com>
8416         PR c/39779
8417         * c-typeck.c (build_binary_op) <short_shift>: Check that integer
8418         constant is more than zero.
8420 2009-09-23  Alan Modra  <amodra@bigpond.net.au>
8422         PR target/40473
8423         * config/rs6000/rs6000.c (rs6000_output_function_prologue): Don't
8424         call final to emit non-scheduled prologue, instead insert at entry.
8426 2009-09-22  Loren J. Rittle  <ljrittle@acm.org>
8427             Joseph S. Myers  <joseph@codesourcery.com>
8429         * doc/install.texi (*-*-freebsd*): Add proper format codes.
8431 2009-09-22  Basile Starynkevitch  <basile@starynkevitch.net>
8432             Rafael Avila de Espindola  <espindola@google.com>
8434         * gengtype.c (is_file_equal): New function.
8435         (close_output_files): Use is_file_equal. Free of->buf.
8437 2009-09-22  Basile Starynkevitch  <basile@starynkevitch.net>
8438             Rafael Avila de Espindola  <espindola@google.com>
8440         * gengtype.c (write_types, write_local): Add the output_header
8441         argument. Update all callers.
8443 2009-09-22  Dodji Seketeli  <dodji@redhat.com>
8445         * dwarf2out.c (template_parameter_pack_die,
8446         gen_formal_parameter_pack_die ): New functions.
8447         (make_ith_pack_parameter_name): Remove this function.
8448         (dwarf_tag_name): Support printing DW_TAG_template_parameter_pack and
8449         DW_TAG_formal_parameter_pack.
8450         (gen_generic_params_dies): Represent each template parameter pack
8451         by a DW_TAG_template_parameter_pack DIE. Argument pack elements are
8452         represented by usual DW_TAG_template_*_parameter DIEs that are
8453         children of the DW_TAG_template_parameter_pack element DIE.
8454         (generic_parameter_die): This doesn't deal with parameter pack
8455         names anymore. Don't generate DW_AT_name for some DIEs, e.g. children
8456         of parameter pack DIEs.
8457         (gen_formal_parameter_die): Add a flag to not emit DW_AT_name
8458         in certain cases, e.g. for pack elements.
8459         (gen_formal_types_die, gen_decl_die): Adjust usage of
8460         gen_formal_parameter_die.
8461         (gen_subprogram_die): Represent each function parameter pack by a
8462         DW_TAG_formal_parameter_pack DIE. Arguments of of the pack are
8463         represented by usual DW_TAG_formal_parameter DIEs that are children
8464         of the DW_TAG_formal_parameter_pack DIE. Remove references to
8465         ____builtin_va_alist decls as no part of the compiler uses those
8466         anymore.
8467         * langhooks.h (struct lang_hooks_for_decls): Add
8468         function_parm_expanded_from_pack_p, get_generic_function_decl
8469         and function_parameter_pack_p hooks.  Fix comment for
8470         get_innermost_generic_parms hook.
8471         * langhooks-def.h (LANG_HOOKS_FUNCTION_PARAMETER_PACK_P,
8472         LANG_HOOKS_FUNCTION_PARM_EXPANDED_FROM_PACK_P ): Declare new hook
8473         macros and use them to initialize lang_hook.
8475 2009-09-22  Richard Henderson  <rth@redhat.com>
8477         * system.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Poison.
8478         (TRAMPOLINE_ADJUST_ADDRESS): Poison.
8479         * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): Don't conditionalize
8480         on TRAMPOLINE_TEMPLATE.
8481         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): Don't conditionalize on
8482         TRAMPOLINE_ADJUST_ADDRESS.
8483         * targhooks.c (default_asm_trampoline_template): Remove.
8484         (default_trampoline_adjust_address): Remove.
8485         (default_trampoline_init): Don't handle INITIALIZE_TRAMPOLINE.
8486         * targhooks.h: Update decls.
8488 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
8490         * config/i386/cygming.h (TARGET_USE_JCR_SECTION): Enable.
8491         * config/i386/cygwin.h (LIBGCJ_SONAME): Define.
8492         * config/i386/mingw32.h (LIBGCJ_SONAME): Likewise.
8494 2009-09-22  Alexandre Oliva  <aoliva@redhat.com>
8496         PR debug/41295
8497         * reload1.c (reload): Reset debug insns with pseudos without
8498         equivalences.
8500 2009-09-22  Janis Johnson  <janis187@us.ibm.com>
8502         * config/i386/i386.c (ix86_scalar_mode_supported_p): Don't return
8503         unconditional true for decimal float modes.
8504         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): Ditto.
8505         * config/s390/s390.c (s390_scalar_mode_supported_p): Ditto.
8507 2009-09-22  Loren J. Rittle  <ljrittle@acm.org>
8509         * unwind-dw2-fde-glibc.c: Define and use USE_PT_GNU_EH_FRAME.
8510         Enable a new case for __FreeBSD__ >= 7.
8511         * crtstuff.c:  Define USE_PT_GNU_EH_FRAME for __FreeBSD__ >= 7.
8512         * config/t-freebsd: Define LIB2ADDEH and LIB2ADDEHDEP.
8513         * config/freebsd-spec.h: Conditionally define LINK_EH_SPEC
8514         and USE_LD_AS_NEEDED.
8516         * doc/install.texi (*-*-freebsd*): Update target information.
8518 2009-09-22  Richard Guenther  <rguenther@suse.de>
8520         PR middle-end/41395
8521         * tree-dfa.c (get_ref_base_and_extent): Handle trailing
8522         arrays really properly.
8524 2009-09-22  Richard Henderson  <rth@redhat.com>
8526         PR target/41246
8527         * target.h (struct gcc_target): Add asm_out.trampoline_template,
8528         calls.static_chain, calls.trampoline_init,
8529         calls.trampoline_adjust_address.
8530         * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
8531         (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New.
8532         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
8533         * builtins.c (expand_builtin_setjmp_receiver): Use
8534         targetm.calls.static_chain; only clobber registers.
8535         (expand_builtin_init_trampoline): Use targetm.calls.trampoline_init;
8536         set up memory attributes properly for the trampoline block.
8537         (expand_builtin_adjust_trampoline): Use
8538         targetm.calls.trampoline_adjust_address.
8539         * calls.c (prepare_call_address): Add fndecl argument.  Use
8540         targetm.calls.static_chain.
8541         * df-scan.c (df_need_static_chain_reg): Remove.
8542         (df_get_entry_block_def_set): Use targetm.calls.static_chain;
8543         consolodate static chain handling.
8544         * doc/tm.texi: Document new hooks.
8545         * emit-rtl.c (static_chain_rtx, static_chain_incoming_rtx): Remove.
8546         (init_emit_regs): Don't initialize them.
8547         * expr.h (prepare_call_address): Update decl.
8548         * final.c (profile_function): Use targetm.calls.static_chain.
8549         * function.c (expand_function_start): Likewise.
8550         * rtl.h (static_chain_rtx, static_chain_incoming_rtx): Remove.
8551         * stmt.c (expand_nl_goto_receiver): Use targetm.calls.static_chain;
8552         only clobber registers.
8553         * targhooks.c (default_static_chain): New.
8554         (default_asm_trampoline_template, default_trampoline_init): New.
8555         (default_trampoline_adjust_address): New.
8556         * targhooks.h: Declare them.
8557         * varasm.c (assemble_trampoline_template): Use
8558         targetm.asm_out.trampoline_template.  Make the memory block const
8559         and set its size.
8561         * config/alpha/alpha.c (alpha_trampoline_init): Rename from
8562         alpha_initialize_trampoline.  Make static.  Merge VMS parameter
8563         differences into the TARGET_ABI_OPEN_VMS code block.
8564         (TARGET_TRAMPOLINE_INIT): New.
8565         * config/alpha/alpha.h (TRAMPOLINE_TEMPLATE): Remove.
8566         (TRAMPOLINE_SECTION, INITIALIZE_TRAMPOLINE): Remove.
8567         * config/alpha/vms.h (TRAMPOLINE_SIZE, TRAMPOLINE_ALIGNMENT): Remove.
8568         (INITIALIZE_TRAMPOLINE): Remove.
8570         * config/arc/arc.h (TRAMPOLINE_ALIGNMENT): New.
8571         (TRAMPOLINE_TEMPLATE): Merge with ...
8572         (INITIALIZE_TRAMPOLINE): ... this and move ...
8573         * config/arc/arc.c (arc_trampoline_init): ... here.
8574         (TARGET_TRAMPOLINE_INIT): New.
8576         * config/arm/arm.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
8577         (TARGET_TRAMPOLINE_INIT, TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
8578         (arm_asm_trampoline_template): New.
8579         (arm_trampoline_init, arm_trampoline_adjust_address): New.
8580         * config/arm/arm.h (TRAMPOLINE_TEMPLATE, ARM_TRAMPOLINE_TEMPLATE,
8581         THUMB2_TRAMPOLINE_TEMPLATE, THUMB1_TRAMPOLINE_TEMPLATE): Move all
8582         code to arm_asm_trampoline_template.
8583         (TRAMPOLINE_ADJUST_ADDRESS): Move code to
8584         arm_trampoline_adjust_address.
8585         (INITIALIZE_TRAMPOLINE): Move code to arm_trampoline_init;
8586         adjust for target hook parameters.
8588         * config/avr/avr.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE):
8589         Remove.
8591         * config/bfin/bfin-protos.h (initialize_trampoline): Remove.
8592         * config/bfin/bfin.c (bfin_asm_trampoline_template): New.
8593         (bfin_trampoline_init): Rename from initialize_trampoline;
8594         make static; update for target hook parameters.
8595         (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New.
8596         * config/bfin/bfin.h (TRAMPOLINE_TEMPLATE): Move code to
8597         bfin_asm_trampoline_template.
8598         (INITIALIZE_TRAMPOLINE): Remove.
8600         * config/cris/cris.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
8601         TARGET_TRAMPOLINE_INIT, cris_asm_trampoline_template,
8602         cris_trampoline_init): New.
8603         * config/cris/cris.h (TRAMPOLINE_TEMPLATE): Move code to
8604         cris_asm_trampoline_template.
8605         (INITIALIZE_TRAMPOLINE): Move code to cris_trampoline_init;
8606         adjust for target hook parameters.
8608         * config/crx/crx.h (INITIALIZE_TRAMPOLINE): Remove.
8610         * config/fr30/fr30.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
8611         TARGET_TRAMPOLINE_INIT, fr30_asm_trampoline_template,
8612         fr30_trampoline_init): New.
8613         * config/fr30/fr30.h (TRAMPOLINE_TEMPLATE): Move code to
8614         fr30_asm_trampoline_template.
8615         (INITIALIZE_TRAMPOLINE): Move code to fr30_trampoline_init;
8616         adjust for target hook parameters.
8618         * config/frv/frv.c (TARGET_TRAMPOLINE_INIT): New.
8619         (frv_trampoline_init): Rename from frv_initialize_trampoline;
8620         make static, adjust arguments for TARGET_TRAMPOLINE_INIT hook.
8621         * config/frv/frv.h (INITIALIZE_TRAMPOLINE): Remove.
8622         * config/frv/frv-protos.h (frv_initialize_trampoline): Remove.
8624         * config/h8300/h8300.c (h8300_trampoline_init): New.
8625         (TARGET_TRAMPOLINE_INIT): New.
8626         * config/h8300/h8300.h (INITIALIZE_TRAMPOLINE): Move code
8627         to h8300_trampoline_init and adjust for hook parameters.
8629         * config/ia64/ia64-protos.h (ia64_initialize_trampoline): Remove.
8630         * config/ia64/ia64.c (TARGET_TRAMPOLINE_INIT): New.
8631         (ia64_trampoline_init): Rename from ia64_initialize_trampoline;
8632         make static; adjust for hook parameters.
8633         * config/ia64/ia64.h (INITIALIZE_TRAMPOLINE): Remove.
8635         * config/iq2000/iq2000.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
8636         (TARGET_TRAMPOLINE_INIT): New.
8637         (iq2000_asm_trampoline_template, iq2000_trampoline_init): New.
8638         * config/iq2000/iq2000.h (TRAMPOLINE_TEMPLATE): Move code to
8639         iq2000_asm_trampoline_template.
8640         (INITIALIZE_TRAMPOLINE): Move code to iq2000_trampoline_init.
8641         (TRAMPOLINE_CODE_SIZE): New.
8642         (TRAMPOLINE_SIZE): Use it.
8643         (TRAMPOLINE_ALIGNMENT): Follow Pmode.
8645         * config/m32c/m32c-protos.h (m32c_initialize_trampoline): Remove.
8646         * config/m32c/m32c.c (TARGET_TRAMPOLINE_INIT): New.
8647         (m32c_trampoline_init): Rename from m32c_initialize_trampoline;
8648         adjust for hook parameters.
8649         * config/m32c/m32c.h (INITIALIZE_TRAMPOLINE): Remove.
8651         * config/m32r/m32r.c (TARGET_TRAMPOLINE_INIT): New.
8652         (m32r_trampoline_init): New.
8653         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Move code to
8654         m32r_trampoline_init.
8656         * config/m68hc11/m68hc11.c (TARGET_TRAMPOLINE_INIT): New.
8657         (m68hc11_trampoline_init): Rename from m68hc11_initialize_trampoline;
8658         make static; update for hook parameters.
8659         * config/m68hc11/m68hc11-protos.h: Update.
8660         * config/m68hc11/m68hc11.h (INITIALIZE_TRAMPOLINE): Remove.
8662         * config/mcore/mcore.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
8663         (TARGET_TRAMPOLINE_INIT): New.
8664         (mcore_function_value): Fix typo.
8665         (mcore_asm_trampoline_template, mcore_trampoline_init): New.
8666         * config/mcore/mcore.h (TRAMPOLINE_TEMPLATE): Move code
8667         to mcore_asm_trampoline_template.
8668         (INITIALIZE_TRAMPOLINE): Move code to mcore_trampoline_init.
8670         * config/mep/mep.h (INITIALIZE_TRAMPOLINE): Remove.
8671         * config/mep/mep.c (TARGET_TRAMPOLINE_INIT): New.
8672         (mep_trampoline_init): Rename from mep_init_trampoline; make static;
8673         update for hook parameters.
8674         * config/mep/mep-protos.h (mep_init_trampoline): Remove.
8676         * config/mips/mips.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
8677         mips_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
8678         mips_trampoline_init): New.
8679         * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Move code to
8680         mips_asm_trampoline_template.
8681         (INITIALIZE_TRAMPOLINE): Move code to mips_trampoline_init;
8682         update for hook parameters.
8684         * gcc/config/mmix/mmix.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
8685         (TARGET_TRAMPOLINE_INIT): New.
8686         (mmix_trampoline_size): Remove.
8687         (mmix_asm_trampoline_template): Rename from mmix_trampoline_template;
8688         make static.  Remove out-of-date tetra vs octa comment.
8689         (mmix_trampoline_init): Rename from mmix_initialize_trampoline;
8690         make static; update for hook parameters.
8691         * config/mmix/mmix.h (TRAMPOLINE_TEMPLATE): Remove.
8692         (INITIALIZE_TRAMPOLINE): Remove.
8693         (TRAMPOLINE_SIZE): Use a constant instead of mmix_trampoline_size.
8694         (TRAMPOLINE_ALIGNMENT): New.
8695         * gcc/config/mmix/mmix-protos.h: Update.
8697         * config/mn10300/mn10300.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
8698         mn10300_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
8699         mn10300_trampoline_init): New.
8700         * config/mn10300/mn10300.h (TRAMPOLINE_TEMPLATE): Move code to
8701         mn10300_asm_trampoline_template.
8702         (INITIALIZE_TRAMPOLINE): Move code to mn10300_trampoline_init.
8704         * config/moxie/moxie.c (moxie_static_chain,
8705         moxie_asm_trampoline_template, moxie_trampoline_init,
8706         TARGET_STATIC_CHAIN, TARGET_ASM_TRAMPOLINE_TEMPLATE,
8707         TARGET_TRAMPOLINE_INIT): New.
8708         * config/moxie/moxie.h (INITIALIZE_TRAMPOLINE): Move code to
8709         moxie_trampoline_init.
8710         (TRAMPOLINE_TEMPLATE): Move code to moxie_asm_trampoline_template.
8711         (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.
8713         * gcc/config/pa/pa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
8714         pa_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
8715         pa_trampoline_init, TARGET_TRAMPOLINE_ADJUST_ADDRESS,
8716         pa_trampoline_adjust_address): New.
8717         * config/pa/pa.h (TRAMPOLINE_TEMPLATE): Move code to
8718         pa_asm_trampoline_template.
8719         (TRAMPOLINE_ALIGNMENT): New.
8720         (TRAMPOLINE_CODE_SIZE): Move to pa.c.
8721         (INITIALIZE_TRAMPOLINE): Move code to pa_trampoline_init;
8722         adjust for hook parameters.
8723         (TRAMPOLINE_ADJUST_ADDRESS): Move code to pa_trampoline_adjust_address.
8725         * config/pdp11/pdp11.c (pdp11_trampoline_init): New.
8726         (TARGET_TRAMPOLINE_INIT): New.
8727         * config/pdp11/pdp11.h (TRAMPOLINE_TEMPLATE): Remove.
8728         (INITIALIZE_TRAMPOLINE): Move code to pdp11_trampoline_init.
8730         * config/picochip/picochip.h (INITIALIZE_TRAMPOLINE): Remove.
8732         * config/rs6000/rs6000-protos.h (rs6000_initialize_trampoline): Remove.
8733         * config/rs6000/rs6000.c (TARGET_TRAMPOLINE_INIT): New.
8734         (rs6000_trampoline_init): Rename from rs6000_initialize_trampoline;
8735         make static; adjust parameters for the hook.
8736         * config/rs6000/rs6000.h (INITIALIZE_TRAMPOLINE): Remove.
8738         * config/s390/s390.c (s390_asm_trampoline_template): Rename from
8739         s390_trampoline_template; make static.
8740         (s390_trampoline_init): Rename from s390_initialize_trampoline;
8741         make static; adjust for target hook.
8742         (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New.
8743         * config/s390/s390-protos.h: Remove trampoline decls.
8744         * config/s390/s390.h (INITIALIZE_TRAMPOLINE): Remove.
8745         (TRAMPOLINE_TEMPLATE): Remove.
8746         (TRAMPOLINE_ALIGNMENT): New.
8748         * config/score/score-protos.h (score_initialize_trampoline): Remove.
8749         * config/score/score.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
8750         (TARGET_TRAMPOLINE_INIT): New.
8751         (score_asm_trampoline_template): New.
8752         (score_trampoline_init): Rename from score_initialize_trampoline;
8753         make static; adjust for hook parameters.
8754         * config/score/score.h (TRAMPOLINE_TEMPLATE): Move code to
8755         score[37]_asm_trampoline_template.
8756         (INITIALIZE_TRAMPOLINE): Remove.
8757         * config/score/score3.c (score3_asm_trampoline_template): New.
8758         (score3_trampoline_init): Rename from score3_initialize_trampoline;
8759         adjust for target hook.
8760         * config/score/score7.c (score7_asm_trampoline_template): New.
8761         (score7_trampoline_init): Rename from score7_initialize_trampoline;
8762         adjust for target hook.
8763         * config/score/score3.h, config/score/score7.h: Update.
8765         * config/sh/sh-protos.h (sh_initialize_trampoline): Remove.
8766         * config/sh/sh.c (TARGET_TRAMPOLINE_INIT): New.
8767         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
8768         (sh_trampoline_init): Rename from sh_initialize_trampoline;
8769         make static; adjust for target hook parameters.
8770         (sh_trampoline_adjust_address): New.
8771         * config/sh/sh.h (INITIALIZE_TRAMPOLINE): New.
8772         (TRAMPOLINE_ADJUST_ADDRESS): Move code to sh_trampoline_adjust_address.
8774         * config/sparc/sparc.c (TARGET_TRAMPOLINE_INIT): New.
8775         (sparc32_initialize_trampoline): Rename from
8776         sparc_initialize_trampoline; make static; replace tramp parameter
8777         with m_tramp and update memory accesses.
8778         (sparc64_initialize_trampoline): Similarly.
8779         (sparc_trampoline_init): New.
8780         * config/sparc/sparc-protos.h: Remove trampoline decls.
8781         * config/sparc/sparc.h (INITIALIZE_TRAMPOLINE): Remove.
8782         * config/sparc/sparc.md (nonlocal_goto): Don't use static_chain_rtx.
8784         * config/spu/spu.c (TARGET_TRAMPOLINE_INIT): New.
8785         (array_to_constant): Make ARR parameter const.
8786         (spu_trampoline_init): Rename from spu_initialize_trampoline;
8787         make static; update for hook parameters.
8788         * config/spu/spu-protos.h: Update decls.
8789         * config/spu/spu.h (INITIALIZE_TRAMPOLINE): Remove.
8791         * config/stormy16/stormy16.c (xstormy16_trampoline_init): Rename
8792         from xstormy16_initialize_trampoline; make static; update for
8793         hook parameters.
8794         (TARGET_TRAMPOLINE_INIT): New.
8795         * config/stormy16/stormy16.h (INITIALIZE_TRAMPOLINE): Remove.
8797         * config/v850/v850.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
8798         (TARGET_TRAMPOLINE_INIT): New.
8799         (v850_can_eliminate): Make static.
8800         (v850_asm_trampoline_template, v850_trampoline_init): New.
8801         * config/v850/v850.h (TRAMPOLINE_TEMPLATE): Move code to
8802         v850_asm_trampoline_template.
8803         (INITIALIZE_TRAMPOLINE): Move code to v850_trampoline_init
8804         and adjust for target hook parameters.
8806         * config/vax/vax.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
8807         (TARGET_TRAMPOLINE_INIT): New.
8808         (vax_asm_trampoline_template, vax_trampoline_init): New.
8809         * config/vax/vax.h (TRAMPOLINE_TEMPLATE): Move code to
8810         vax_asm_trampoline_template.
8811         (INITIALIZE_TRAMPOLINE): Move code to vax_trampoline_init.
8813         * config/xtensa/xtensa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
8814         (TARGET_TRAMPOLINE_INIT): New.
8815         (xtensa_asm_trampoline_template): Rename from
8816         xtensa_trampoline_template; make static.
8817         (xtensa_trampoline_init): Rename from xtensa_initialize_trampoline;
8818         make static; update for hook parameters.
8819         * config/xtensa/xtensa-protos.h: Remove trampoline decls.
8820         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Remove.
8821         (INITIALIZE_TRAMPOLINE): Remove.
8823         * config/i386/i386.c (ix86_function_regparm): Do not issue an
8824         error for nested functions with regparm=3.
8825         (ix86_compute_frame_layout): Adjust frame pointer offset for
8826         ix86_static_chain_on_stack.
8827         (ix86_expand_prologue): Handle ix86_static_chain_on_stack.
8828         (ix86_emit_restore_reg_using_pop): Increment ix86_cfa_state->offset,
8829         don't reset to UNITS_PER_WORD.
8830         (ix86_emit_leave): Adjust ix86_cfa_state.
8831         (ix86_expand_epilogue): Handle ix86_static_chain_on_stack.
8832         (ix86_static_chain): New.
8833         (ix86_trampoline_init): Rename from x86_initialize_trampoline;
8834         make static; update for target hook parameters; use ix86_static_chain.
8835         (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New.
8836         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Remove.
8837         (INITIALIZE_TRAMPOLINE): Remove.
8838         (TRAMPOLINE_SIZE): Use 24 for 64-bit.
8839         (struct machine_function): Use BOOL_BITFIELD; rearrange bitfields
8840         to the end.  Add static_chain_on_stack.
8841         (ix86_static_chain_on_stack): New.
8843         * config/m68k/m68k.c (TARGET_TRAMPOLINE_INIT): New.
8844         (m68k_output_mi_thunk): Don't use static_chain_rtx.
8845         (m68k_trampoline_init): New.
8846         * config/m68k/m68k.h (INITIALIZE_TRAMPOLINE): Move code to
8847         m68k_trampoline_init and adjust for hook parameters.
8848         * config/m68k/netbsd-elf.h (TRAMPOLINE_TEMPLATE): Remove.
8849         (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Remove.
8851 2009-09-22  Jakub Jelinek  <jakub@redhat.com>
8853         * config/rs6000/rs6000.c (bdesc_2arg): Fix CODE_FOR_vector_gt* codes
8854         for __builtin_altivec_vcmpgt{sb,uh,sh,uw}.
8856         * reload1.c (reload): Call wrap_constant when substituting
8857         reg for equiv inside of DEBUG_INSNs.
8859         PR bootstrap/41405
8860         * dwarf2out.c (base_type_die, record_type_tag, gen_subprogram_die,
8861         add_call_src_coords_attributes, add_high_low_attributes,
8862         gen_compile_unit_die, gen_type_die_with_usage force_decl_die,
8863         gen_decl_die, dwarf2out_imported_module_or_decl_1, dwarf2out_finish,
8864         dwarf2out_imported_module_or_decl): Avoid using DWARF3 additions
8865         when -gdwarf-2 -gstrict-dwarf.
8866         (loc_list_from_tree): Likewise.  Avoid using DWARF4 additions when
8867         -gdwarf-[23] -gstrict-dwarf.
8868         (address_of_int_loc_descriptor, loc_descriptor,
8869         loc_list_for_address_of_addr_expr_of_indirect_ref): Avoid using
8870         DWARF4 additions when -gdwarf-[23] -gstrict-dwarf.
8871         * common.opt (gno-strict-dwarf, gstrict-dwarf): New options.
8873 2009-09-22  Richard Guenther  <rguenther@suse.de>
8875         PR tree-optimization/41428
8876         * tree-ssa-ccp.c (ccp_fold_stmt): New function.
8877         (ccp_finalize): Pass it to substitute_and_fold.
8879 2009-09-22  Richard Guenther  <rguenther@suse.de>
8881         * tree-ssa-propagate.h (ssa_prop_fold_stmt_fn): Declare.
8882         (substitute_and_fold): Adjust prototype.
8883         * tree-vrp.c (vrp_evaluate_conditional): Make static.
8884         (simplify_stmt_using_ranges): Likewise.
8885         (fold_predicate_in): Move here from tree-ssa-propagate.c.
8886         (vrp_fold_stmt): New function.
8887         (vrp_finalize): Pass it to substitute_and_fold.
8888         * tree-flow.h (vrp_evaluate_conditional): Remove.
8889         (simplify_stmt_using_ranges): Likewise.
8890         * tree-ssa-ccp.c (ccp_finalize): Adjust call to substitute_and_fold.
8891         * tree-ssa-copy.c (fini_copy_prop): Likewise.
8892         * tree-ssa-propagate.c (struct prop_stats_d): Rename num_pred_folded
8893         member.
8894         (fold_predicate_in): Move to tree-vrp.c.
8895         (substitute_and_fold): Use the callback instead of calling into
8896         tree-vrp.c functions directly.
8898 2009-09-22  Jakub Jelinek  <jakub@redhat.com>
8900         * dwarf2out.c (address_of_int_loc_descriptor): Avoid signed/unsigned
8901         comparison warning on rs6000.
8903         PR middle-end/41429
8904         * tree-cfg.c (remove_useless_stmts_tc): Call gsi_next (gsi) even for
8905         GIMPLE_EH_MUST_NOT_THROW cleanup.
8906         (verify_types_in_gimple_stmt): Handle GIMPLE_EH_MUST_NOT_THROW.
8908 2009-09-22  Jack Howarth  <howarth@bromo.med.uc.edu>
8910         PR middle-end/41260
8911         * gcc/config.gcc: Use darwin9.h and darwin10.h on darwin10 and later.
8912         * gcc/config/darwin10.h: Add file to pass -no_compact_unwind on
8913         LIB_SPEC for darwin10 and later since it always uses the unwinder in
8914         libSystem which is derived from the gcc 4.2.1 unwinder.
8916 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
8918         PR middle-end/41357
8919         * varasm.c (default_encode_section_info): Copy TLS model into
8920         sym_ref flags regardless of backend support for TLS, for all
8921         model types except TLS_MODEL_EMULATED.
8923 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
8925         PR bootstrap/41404
8926         * dwarf2out.c (mem_loc_descriptor): Punt on CONST_STRING until
8927         we can handle it correctly.
8929 2009-09-21  Gerald Pfeifer  <gerald@pfeifer.com>
8931         * doc/install.texi (os2): Remove section.
8933 2009-09-21  Gerald Pfeifer  <gerald@pfeifer.com>
8935         * doc/standards.texi (Objective-C): Adjust two URLs.
8937 2009-09-21  Giuseppe Scrivano <gscrivano@gnu.org>
8939         * tree-tailcall.c (process_assignment): Don't check if a
8940         multiplication or an addition are already present.
8941         (find_tail_calls): Combine multiple additions and multiplications.
8942         (adjust_accumulator_values): Emit accumulators.
8944 2009-09-21  Kai Tietz  <kai.tietz@onevision.com>
8946         * config/i386/i386.c (ix86_expand_epilogue): Adjust offset for
8947         xmm register restore.
8949 2009-09-21  Jan Hubicka  <jh@suse.cz>
8951         * dwarf2out.c (decl_loc_table_eq): Allow decl_loc_table to be NULL.
8952         (dwarf2out_abstract_function): NULLify decl_loc_table at begginig and
8953         restore at the end.
8955 2009-09-21  Eric Botcazou  <ebotcazou@adacore.com>
8957         * stor-layout.c (layout_type): Remove obsolete code.
8959 2009-09-20  H.J. Lu  <hongjiu.lu@intel.com>
8961         PR middle-end/41395
8962         * opts.c (decode_options): Don't turn on flag_ipa_sra for opt2.
8964 2009-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8966         PR middle-end/30789
8967         * builtins.c (do_mpc_arg2): Accept DO_NONFINITE parameter.
8968         (do_mpc_ckconv): Accept FORCE_CONVERT parameter.
8969         (fold_builtin_2, do_mpc_arg1): Update accordingly.
8970         * fold-const.c (const_binop): Likewise.
8971         * real.h (do_mpc_arg2): Update prototype.
8973 2009-09-20  Jan Hubicka  <jh@suse.cz>
8975         * dwarf2out.c (add_const_value_attribute): Return true if successful.
8976         (add_location_or_const_value_attribute): Rewrite using
8977         loc_list_from_tree.
8978         (tree_add_const_value_attribute): Return true if successful.
8979         (tree_add_const_value_attribute_for_decl): Likewise.
8981         * dwarf2out.c (address_of_int_loc_descriptor): Break out from ...
8982         (loc_descriptor): ... here;
8983         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
8984         (cst_pool_loc_descr): Break out from ...; do not reffer constant
8985         pool items that was not marked for output.
8986         (loc_list_from_tree): ... here; handle special cases of ADDR_EXPR;
8987         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
8988         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
8989         handle ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, REALPART_EXPR,
8990         IMAGPART_EXPR; handle address of INTEGER_CST; improve handling of
8991         CONSTRUCTOR; handle REAL_CST, STRING_CST, COMPLEX_CST; use
8992         DW_OP_stack_value to get address of items that are not available
8993         as addresses.
8994         (dw_loc_list): Handle single element lists correctly.
8996 2009-09-20  Kai Tietz  <kai.tietz@onevision.com>
8997             Pascal Obry  <obry@adacore.com>
8999         * unwind-dw2-fde.c (classify_object_over_fdes):
9000         Cast the constant 1 to _Unwind_Ptr.
9001         (add_fdes): Likewise.
9002         (linear_search_fdes): Likewise.
9004 2009-09-20  Eric Botcazou  <ebotcazou@adacore.com>
9006         * stor-layout.c (set_sizetype): Avoid useless type copy.
9008 2009-09-20  Richard Sandiford  <rdsandiford@googlemail.com>
9010         * configure.ac (gcc_cv_ld_mips_personality_relaxation): New
9011         feature check.
9012         (HAVE_LD_PERSONALITY_RELAXATION): New macro definition.
9013         * configure, config.in: Regenerate.
9014         * dwarf2asm.c (eh_data_format_name): Handle DW_EH_PE_indirect |
9015         DW_EH_PE_absptr.
9016         * config/mips/mips.h (TARGET_WRITABLE_EH_FRAME): New macro.
9017         (ASM_PREFERRED_EH_DATA_FORMAT): Define.  Use MIPS_EH_INDIRECT
9018         for global data if the output could be used in a shared library.
9019         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
9020         to 0 if TARGET_WRITABLE_EH_FRAME.
9022 2009-09-20  Paolo Bonzini <bonzini@gnu.org>
9024         PR rtl-optimization/39886
9025         * combine.c (update_cfg_for_uncondjump): Set EDGE_FALLTHRU
9026         just when insn is equal to BB_END (bb).
9028 2009-09-19  Adam Nemet  <anemet@caviumnetworks.com>
9030         * config/mips/mips.opt (mrelax-pic-calls): New option.
9031         * config/mips/mips.c (mips_strip_unspec_address): Move it up in
9032         the file.
9033         (mips_unspec_call): Change "unspec_call" expander into this.
9034         (mips_strip_unspec_call): New function.
9035         (mips_got_load): Call mips_unspec_call instead of
9036         gen_unspec_call<mode>.
9037         (mips16_build_call_stub): Fix comment for fp_code.  Adjust call to
9038         MIPS_CALL.
9039         (mips_cfg_in_reorg): New function.
9040         (mips16_lay_out_constants): Use it to decide whether to call
9041         CFG-aware insn splitting.
9042         (r10k_insert_cache_barriers): Move CFG set-up code from here to
9043         mips_reorg.  Move DF set-up code from here ...
9044         (mips_df_reorg): ... to here.  Call r10k_insert_cache_barriers
9045         from here.
9046         (mips_reorg): Call mips_df_reorg instead of
9047         r10k_insert_cache_barriers.  Move CFG set-up code here from
9048         r10k_insert_cache_barriers.
9049         (mips_call_expr_from_insn): New function.
9050         (mips_pic_call_symbol_from_set): Likewise.
9051         (mips_find_pic_call_symbol): Likewise.
9052         (mips_annotate_pic_call_expr): Likewise.
9053         (mips_get_pic_call_symbol): Likewise.
9054         (mips_annotate_pic_calls): Likewise.
9055         (mips_override_options): Disable -mrelax-pic-calls unless PIC
9056         calls are used.
9057         (mips_set_mips16_mode): Disable -mrelax-pic-calls for MIPS16.
9058         * config/mips/mips-protos.h (mips_get_pic_call_symbol): Declare it.
9059         * config/mips/mips.h (MIPS_CALL): Use it to print the .reloc
9060         directive.
9061         * config/mips/mips.md (UNSPEC_CALL_ATTR): New unspec.
9062         (unspec_call<mode>): Remove it.
9063         (sibcall_internal, sibcall_value_internal,
9064         sibcall_value_multiple_internal, call_internal, call_split,
9065         call_value_internal, call_value_split,
9066         call_value_multiple_internal, call_value_multiple_split): Pass
9067         SIZE_OPNO to MIPS_CALL.
9068         (call_internal_direct, call_direct_split,
9069         call_value_internal_direct, call_value_direct_split): Pass -1 as
9070         SIZE_OPNO to MIPS_CALL.
9071         * configure.ac <mips*-*-*>: Add test for .reloc R_MIPS_JALR.
9072         * configure: Regenerate.
9073         * doc/invoke.texi (Option Summary): Add -mrelax-pic-calls
9074         and -mno-relax-pic-calls.
9075         (MIPS Options): Document -mrelax-pic-calls and -mno-relax-pic-calls.
9077 2009-09-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9079         PR bootstrap/35619
9080         * Makefile.in (stmp-fixinc): Ensure `include-fixed' is created
9081         in the directory this rule is called from, rather than the
9082         toplevel 'gcc' directory, to fix in-tree build.
9084 2009-09-19  Chris Demetriou  <cgd@google.com>
9086         PR preprocessor/28435:
9087         * c-opts.c (c_common_handle_option): For -MD and -MMD, indicate
9088         to cpplib that the preprocessor output is needed.
9090 2009-09-19  Jakub Jelinek  <jakub@redhat.com>
9092         * config/rs6000/rs6000.md (*save_gpregs_<mode>, *save_fpregs_<mode>,
9093         *restore_gpregs_<mode>, *return_and_restore_gpregs_<mode>,
9094         *return_and_restore_fpregs_<mode>,
9095         *return_and_restore_fpregs_aix_<mode>): Remove 'z' operand modifier.
9097         PR bootstrap/41397
9098         * dwarf2out.c (mem_loc_descriptor) <case SUBREG>: Recurse
9099         instead of assuming it has always a REG inside of it.
9101 2009-09-18  Gerald Pfeifer  <gerald@pfeifer.com>
9103         * config/freebsd.h: Update comment on types.
9104         (WINT_TYPE): Define.
9106 2009-09-18  Jason Merrill  <jason@redhat.com>
9108         * c.opt: Add -fno-deduce-init-list.
9110 2009-09-18  Neil Vachharajani  <nvachhar@google.com>
9112         * value-prof.c (interesting_stringop_to_profile_p): Added output
9113         argument to indicate which parameter is the size parameter.
9114         * value-prof.c (gimple_stringop_fixed_value): Use
9115         INTERESTING_STRINGOP_TO_PROFILE_P to find size argument.
9116         * value-prof.c (gimple_stringops_transform): Update call sites to
9117         INTERESTING_STRINGOP_TO_PROFILE_P to reflect parameter change.
9119 2009-09-18  Uros Bizjak  <ubizjak@gmail.com>
9121         PR target/38288
9122         From David Binderman <dcb314@hotmail.com>:
9123         * gcc/config/i386/i386.c (ix86_function_regparm): Remove useless
9124         local variable f.  Remove stale comments.
9125         (ix86_compute_frame_layout): Remove useless local variable total_size.
9126         Remove #if 0'd code.
9127         (legitimate_address_p): Remove useless local variables
9128         reason_rtx and reason.
9129         (ix86_split_copysign_const): Remove useless local variable op1.
9130         (scale_counter): Remove useless local variable piece_size_mask.
9132 2009-09-18  Jakub Jelinek  <jakub@redhat.com>
9134         * stmt.c (expand_asm_operands): Set REG_ATTRS on the temporary from
9135         output decl.
9137 2009-09-17  Michael Haubenwallner  <michael.haubenwallner@salomon.at>
9139         PR target/40913
9140         * config/pa/t-hpux-shlib: Set soname in libgcc_s.sl.
9142 2009-09-17  Jakub Jelinek  <jakub@redhat.com>
9144         * c-decl.c (finish_struct): Adjust DECL_SOURCE_LOCATION of
9145         TYPE_STUB_DECL.
9147 2009-09-17  Alexandre Oliva  <aoliva@redhat.com>
9149         * dwarf2out.c (loc_descriptor): Emit DW_OP_stack_value and
9150         DW_OP_implicit_value even without dwarf_version 4.
9152 2009-09-17  Jan Hubicka  <jh@suse.cz>
9154         * dwarf2out.c: Include tree-pass.h and gimple.h.
9155         (loc_list_plus_const): New function.
9156         (loc_descriptor_from_tree_1): Rename to ...
9157         (loc_descriptor_from_tree): ... remove original.
9158         (loc_list_from_tree): New function.
9159         (add_AT_location_description): Accept location list.
9160         (tls_mem_loc_descriptor): Update call of loc_descriptor_from_tree.
9161         (concatn_mem_loc_descriptor): Remove.
9162         (mem_loc_descriptor): Handle CONCAT/CONCATN and VAR_LOCATION by
9163         returning NULL.
9164         (secname_for_decl): Move up.
9165         (hidden_reference_p): New function; break out from ...
9166         (loc_by_refernece): ... here; move up.
9167         (dw_loc_list): New function.
9168         (single_element_loc_list): New function.
9169         (single_element_loc_list_p): New function.
9170         (add_loc_descr_to_each): New function.
9171         (add_loc_list): New function.
9172         (loc_descr_from_tree): Make wraper of loc_list_from_tree.
9173         (loc_list_from_tree): Reroganized from loc_descr_from_tree;
9174         add diagnostics why expansion failed.
9175         (add_location_or_const_value_attribute): Support location lists.
9176         (add_bound_info): Likewise.
9177         (descr_info_loc): Update call of loc_descriptor_from_tree.
9178         (gen_variable_die): Work on location lists.
9179         * final.c (pass_final): Add dump file.
9180         * Makefile.in (dwarf2out.o): Add new dependencies.
9182 2009-09-17  Janis Johnson  <janis187@us.ibm.com>
9184         PR c/41049
9185         * real.c decimal_from_integer, decimal_integer_string): New.
9186         (real_from_integer): Use them as special case for decimal float.
9187         * config/dfp-bit.c (_si_to_sd, _usi_to_sd): Use default rounding.
9188         (_di_to_sd, _di_to_dd, _di_to_td, _udi_to_sd, _udi_to_dd, _udi_to_td):
9189         Do not append zero after the decimal point in string to convert.
9191 2009-09-17  Alexander Monakov  <amonakov@ispras.ru>
9193         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
9194         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
9196 2009-09-17  Martin Jambor  <mjambor@suse.cz>
9198         * common.opt (fipa-sra): New switch.
9199         * opts.c (decode_options): Turn flag_ipa_sra on for opt2.
9200         * timevar.def (TV_IPA_SRA): New timevar.
9201         * params.def (ipa-sra-ptr-growth-factor): New parameter.
9202         * doc/invoke.texi: Document -fipa-sra and ipa-sra-ptr-growth-factor.
9203         * tree-sra.c: Include cgraph.c.
9204         (enum sra_mode): Added SRA_MODE_EARLY_IPA.
9205         (struct access): Added fields stmt, grp_maybe_modified, grp_scalar_ptr
9206         and grp_not_necessarilly_dereferenced.
9207         (func_param_count): New variable.
9208         (encountered_apply_args): New variable.
9209         (bb_dereferences): New variable.
9210         (final_bbs): New variable.
9211         (no_accesses_representant): New variable.
9212         (no_accesses_p): New function.
9213         (dump_access): Dump the new fields.
9214         (sra_initialize): Set encountered_apply_args to false.
9215         (get_ssa_base_param): New function.
9216         (mark_parm_dereference): New function.
9217         (create_access): Caring for INIDRECT_REFs and different handling of
9218         varialble length accesses in early IPA SRA.  Store the stmt - a new
9219         parameter - to the new access.
9220         (build_access_from_expr_1): New parameter stmt, passed to
9221         create_access.  Handle INDIRECT_REFs.
9222         (build_access_from_expr): Pass the current statement to
9223         build_access_from_expr_1.
9224         (disqualify_ops_if_throwing_stmt): Trigger only in intraprocedural
9225         passes.
9226         (build_accesses_from_assign): Pass the current statement to
9227         build_access_from_expr_1.  Do not create assign links in IPA-SRA.
9228         (scan_function): Call handle_ssa_defs on phi nodes.  Set bits in
9229         final_bbs when necessary.  Check for calls to __builtin_apply_args.
9230         Fixup EH info if anythng was changed.
9231         (is_unused_scalar_param): New function.
9232         (ptr_parm_has_direct_uses): New function.
9233         (find_param_candidates): New function.
9234         (mark_maybe_modified): New function.
9235         (analyze_modified_params): New function.
9236         (propagate_dereference_distances): New function.
9237         (dump_dereferences_table): New function.
9238         (analyze_caller_dereference_legality): New function.
9239         (unmodified_by_ref_scalar_representative): New function.
9240         (splice_param_accesses): New function.
9241         (decide_one_param_reduction): New function.
9242         (enum ipa_splicing_result): New type.
9243         (splice_all_param_accesses): New function.
9244         (get_param_index): New function.
9245         (turn_representatives_into_adjustments): New function.
9246         (analyze_all_param_acesses): New function.
9247         (get_replaced_param_substitute): New function.
9248         (get_adjustment_for_base): New function.
9249         (replace_removed_params_ssa_names): New function.
9250         (sra_ipa_reset_debug_stmts): New function.
9251         (sra_ipa_modify_expr): New function.
9252         (sra_ipa_modify_assign): New function.
9253         (convert_callers): New function.
9254         (modify_function): New function.
9255         (ipa_sra_preliminary_function_checks): New function.
9256         (ipa_early_sra): New function.
9257         (ipa_early_sra_gate): New function.
9258         (pass_early_ipa_sra): New variable.
9259         * Makefile.in (tree-sra.o): Add cgraph.h to dependencies.
9261 2009-09-17  Michael Matz  <matz@suse.de>
9263         PR middle-end/41347
9264         * tree.c (build_type_attribute_qual_variant): Export.
9265         * tree.h (build_type_attribute_qual_variant): Declare.
9266         * tree-inline.c (remap_type_1): Use it to build variants with
9267         the original qualifiers and attributes.
9269 2009-09-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9271         * cfglayout.c (fixup_reorder_chain): Accept conditional jumps
9272         without a fallthrough edge.
9274 2009-09-16  DJ Delorie  <dj@redhat.com>
9276         * config/m32c/m32c.c (m32c_emit_epilogue): Check for R8C or M16C
9277         chip and ignore the "fast_interrupt" attribute if so.
9279 2009-09-16  Richard Henderson  <rth@redhat.com>
9281         PR middle-end/41360
9282         * cfgbuild.c (find_bb_boundaries): Really re-instate 2009-09-02
9283         barrier fix.
9285 2009-09-16  Richard Henderson  <rth@redhat.com>
9287         PR target/41246
9288         * tree-cfg.c (verify_gimple_call): Validate that gimple_call_chain
9289         is set only if DECL_NO_STATIC_CHAIN is unset.
9290         * tree-nested.c (iter_nestinfo_start, iter_nestinfo_next): New.
9291         (FOR_EACH_NEST_INFO): New.
9292         (walk_all_functions): Use it.
9293         (finalize_nesting_tree): Likewise.
9294         (unnest_nesting_tree): Likewise.
9295         (free_nesting_tree): Use iter_nestinfo_start, iter_nestinfo_next.
9296         (get_chain_decl, get_chain_field): Reset DECL_NO_STATIC_CHAIN.
9297         (convert_gimple_call): Early out if gimple_call_chain already set.
9298         (convert_all_function_calls): Iterate until no new functions
9299         require a static chain.
9300         (finalize_nesting_tree_1): Assert DECL_NO_STATIC_CHAIN is unset
9301         when building a trampoline.  Use dump_function_to_file instead
9302         of dump_function.
9303         (lower_nested_functions): Open dump_file.  Validate that decls
9304         that have DECL_NO_STATIC_CHAIN from the front end don't have that
9305         bit reset by this pass.
9307 2009-09-16  Michael Matz  <matz@suse.de>
9309         PR fortran/41212
9310         * tree.h (struct tree_decl_common): Add decl_restricted_flag,
9311         shorten decl_common_unused.
9312         (DECL_RESTRICTED_P): New accessor.
9313         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Use it
9314         to disambiguate marked decls and restrict pointers.
9316 2009-09-16  Richard Henderson  <rth@redhat.com>
9318         PR middle-end/41360
9319         * cfgbuild.c (find_bb_boundaries): Re-instate 2009-09-02 barrier fix.
9321 2009-09-16  Jakub Jelinek  <jakub@redhat.com>
9323         * integrate.c (set_block_abstract_flags): Call
9324         set_decl_abstract_flags also on BLOCK_NONLOCALIZED_VARs.
9326 2009-09-16  Richard Guenther  <rguenther@suse.de>
9328         PR middle-end/34011
9329         * tree-flow-inline.h (may_be_aliased): Compute readonly variables
9330         as non-aliased.
9332 2009-09-16  DJ Delorie  <dj@redhat.com>
9333             Kaz Kojima  <kkojima@gcc.gnu.org>
9335         * config/sh/sh.c (output_stack_adjust): Add new argument frame_p.
9336         (sh_expand_prologue): Update calls to output_stack_adjust.
9337         (sh_expand_epilogue): Likewise.
9339 2009-09-15  Adam Nemet  <anemet@caviumnetworks.com>
9341         PR bootstrap/41349
9342         * reorg.c (redundant_insn): Don't count notes or DEBUG_INSNs when
9343         trying to limit the extent of searches in the insn stream.
9345 2009-09-15  Nathan Froyd  <froydnj@codesourcery.com>
9346             Jakub Jelinek  <jakub@redhat.com>
9348         PR target/41175
9349         PR target/40677
9350         * config/rs6000/rs6000.c (no_global_regs_above): Fix precedence
9351         problem.
9352         (SAVRES_NOINLINE_GPRS_SAVES_LR, SAVRES_NOINLINE_FPRS_SAVES_LR,
9353         SAVRES_NOINLINE_FPRS_DOESNT_RESTORE_LR): New strategy bits.
9354         (rs6000_savres_strategy): Always save FP registers inline if the
9355         target doesn't support hardware double-precision.  Set the above
9356         bits in return value when needed.
9357         (rs6000_savres_routine_sym): Fix computation for cache selector.
9358         Mark the generated symbol as a function.  Rename exitp argument to
9359         lr.  Move code for determining the name of the symbol...
9360         (rs6000_savres_routine_name): ...here.  New function.  Add cases for
9361         getting the names right on AIX and 64-bit Linux.
9362         (savres_routine_name): New variable.
9363         (rs6000_make_savres_rtx): Rename exitp argument to lr.  Don't assert
9364         lr isn't set when savep.  Use r12 resp. r1 instead of r11 depending
9365         on what the target routine uses as a base register.  If savep && lr
9366         describe saving of r0 into memory slot.
9367         (rs6000_emit_prologue): Correct use of call_used_regs.  Fix out of
9368         line calls for AIX ABI.
9369         (rs6000_output_function_prologue): Use rs6000_savres_routine_name to
9370         determine FP save/restore functions.
9371         (rs6000_emit_stack_reset): Handle savres if sp_offset != 0 and
9372         frame_reg_rtx != sp_reg_rtx.  Use gen_add3_insn instead of
9373         gen_addsi3.
9374         (rs6000_emit_epilogue): Adjust computation of restore_lr.
9375         Duplicate restoration of LR and execute the appropriate one
9376         depending on whether GPRs are being restored inline.  Set r11 from
9377         offsetted frame_reg_rtx instead of sp_reg_rtx; if frame_reg_rtx is
9378         r11, adjust sp_offset.  Use gen_add3_insn instead of gen_addsi3.
9379         Fix out of line calls for AIX ABI.
9380         * config/rs6000/rs6000.md (*return_and_restore_fpregs_aix_<mode>):
9381         New insn.
9382         * config/rs6000/spe.md (*save_gpregs_spe): Use explicit match for
9383         register 11.
9384         (*restore_gpregs_spe): Likewise.
9385         (*return_and_restore_gpregs_spe): Likewise.
9386         * config/rs6000/linux64.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
9387         Define to empty string unconditionally.
9388         * config/rs6000/sysv4.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
9389         Define to empty string unconditionally.
9390         (GP_SAVE_INLINE, FP_SAVE_INLINE): Handle TARGET_64BIT the same as
9391         !TARGET_64BIT.
9393 2009-09-15  Jan Hubicka  <jh@suse.cz>
9395         * doc/invoke.texi (inline-insns-auto): Drop from 60 to 50.
9396         * params.def (inline-insns-auto): Likewise.
9398 2009-09-15  Martin Jambor  <mjambor@suse.cz>
9400         * ipa-inline.c (estimate_function_body_sizes): Dump info about
9401         individual statements only at TDF_DETAILS dump level.  Format
9402         source for 80 characters per line.
9404 2009-09-15  Christian Bruel  <christian.bruel@st.com>
9406         * regrename.c (do_replace): Update REG_DEAD notes.
9408 2009-09-15  Revital Eres  <eres@il.ibm.com>
9410         * doc/tm.texi (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Document.
9411         * targhooks.c (default_builtin_support_vector_misalignment):
9412         New builtin function.
9413         * targhooks.h (default_builtin_support_vector_misalignment):
9414         Declare.
9415         * target.h (builtin_support_vector_misalignment):
9416         New field in struct gcc_target.
9417         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Call
9418         new builtin function.
9419         * target-def.h (TARGET_SUPPORT_VECTOR_MISALIGNMENT):
9420         Define.
9421         * config/rs6000/rs6000.c
9422         (rs6000_builtin_support_vector_misalignment): New function.
9423         (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Define.
9425 2009-09-15  Jie Zhang  <jie.zhang@analog.com>
9427         * config/bfin/bfin.c (length_for_loop): Use NONDEBUG_INSN_P
9428         instead of INSN_P.
9429         (bfin_optimize_loop): Likewise.
9430         (bfin_gen_bundles): Likewise.
9431         (workaround_speculation): Likewise.
9432         (find_load): Return NULL_RTX for debug_insn.
9434 2009-09-15  Uros Bizjak  <ubizjak@gmail.com>
9436         * config/alpha/alpha.md (smaxsf3): Disable for IEEE mode.
9437         (sminsf3): Ditto.
9439 2009-09-14  DJ Delorie  <dj@redhat.com>
9441         * config/mep/mep.h (JUMP_TABLES_IN_TEXT_SECTION): Define.
9442         * config/mep/mep.c (mep_emit_cbranch): Don't use BEQZ/BNEI in
9443         VLIW mode.
9445 2009-09-14  Richard Henderson  <rth@redhat.com>
9446             Jakub Jelinek  <jakub@redhat.com>
9448         * builtins.c (expand_builtin_synchronize): Use gimple_build_asm_vec.
9449         * cfgbuild.c (make_edges): Handle asm goto.
9450         * cfglayout.c (fixup_reorder_chain): Likewise.
9451         * cfgrtl.c (patch_jump_insn): Likewise.
9452         * gimple-pretty-print.c (dump_gimple_asm): Likewise.
9453         * gimple.c (gimple_build_asm_1): Add and use nlabels parameter.
9454         (gimple_build_asm_vec): Add and use labels parameter.
9455         (gimple_build_asm): Remove.
9456         (walk_gimple_asm): Walk labels too.
9457         * gimple.def (GIMPLE_ASM): Update docs.
9458         * gimple.h: Update decls.
9459         (struct gimple_statement_asm): Change nc to use unsigned char;
9460         add nl member.
9461         (gimple_asm_nlabels): New.
9462         (gimple_asm_label_op, gimple_asm_set_label_op): New.
9463         * gimplify.c (gimplify_asm_expr): Copy labels from ASM_EXPR
9464         into gimple_build_asm_vec.
9465         * jump.c (mark_jump_label_asm): New.
9466         (mark_jump_label): Use it.
9467         (redirect_jump_1): Handle asm goto.
9468         (invert_jump_1): Soft fail if X is null.
9469         * recog.c (extract_asm_operands): New.
9470         (asm_noperands): Use it; handle asm labels.
9471         (decode_asm_operands): Use extract_asm_operands.
9472         (asm_operand_ok): Properly handle empty string.
9473         * reg-stack.c (get_asm_operands_in_out): Rename from
9474         get_asm_operand_n_inputs; use extract_asm_operands; return both
9475         inputs and outputs by reference; update all callers.
9476         * rtl.def (ASM_OPERANDS): Add label vector as operand 6.
9477         * rtl.h (ASM_OPERANDS_LABEL_VEC): New.
9478         (ASM_OPERANDS_LABEL_LENGTH, ASM_OPERANDS_LABEL): New.
9479         (ASM_OPERANDS_SOURCE_LOCATION): Renumber.
9480         (extract_asm_operands): Declare.
9481         * stmt.c (expand_asm_operands): Add and use labels parameter.
9482         (check_unique_operand_names): Likewise.
9483         (resolve_asm_operand_names, resolve_operand_name_1): Likewise.
9484         (expand_asm_stmt): Handle asm labels.
9485         * tree-cfg.c (make_gimple_asm_edges): New.
9486         (make_edges): Use it.
9487         (cleanup_dead_labels): Handle asm labels.
9488         (is_ctrl_altering_stmt): Likewise.
9489         (gimple_redirect_edge_and_branch): Likewise.
9490         * tree.def (ASM_EXPR): Add 5th operand.
9491         * tree.h (ASM_LABELS): New.
9492         (resolve_asm_operand_names): Update decl.
9494         * c-parser.c (c_parser_asm_statement): Parse asm goto.
9495         (c_parser_asm_goto_operands): New.
9496         * c-tree.h (build_asm_expr): Update decl.
9497         * c-typeck.c (build_asm_expr): Add and use labels parameter.
9498         * doc/extend.texi: Document asm goto.
9500 2009-09-14  Richard Henderson  <rth@redhat.com>
9502         * except.h: Update declarations.
9503         (struct pointer_map_t): Forward declare.
9504         (ERT_UNKNOWN, ERT_THROW, ERT_CATCH): Remove.
9505         (struct eh_landing_pad_d, eh_landing_pad): New.
9506         (struct eh_catch_d, eh_catch): New.
9507         (struct eh_region_d): Remove next_region_sharing_label, aka,
9508         label, tree_label, landing_pad, post_landing_pad, resume,
9509         may_contain_throw.  Rename region_number to index.  Remove
9510         u.eh_catch, u.eh_throw.  Rename u.eh_try.eh_catch to first_catch.
9511         Add u.must_not_throw, landing_pads, exc_ptr_reg, filter_reg.
9512         (VEC(eh_landing_pad,gc)): New.
9513         (struct eh_status): Remove last_region_number.  Add lp_array,
9514         throw_stmt_table, ttype_data, ehspec_data.
9515         (ehr_next, FOR_ALL_EH_REGION_AT): New.
9516         (FOR_ALL_EH_REGION_FN, FOR_ALL_EH_REGION): New.
9517         * except.c (lang_protect_cleanup_actions): Return tree.
9518         (struct ehl_map_entry): Remove.
9519         (init_eh_for_function): Push zero entries for region and lp_array.
9520         (gen_eh_region): Add to region_array immediately.
9521         (gen_eh_region_catch): Operate on eh_catch objects.
9522         (gen_eh_landing_pad): New.
9523         (get_eh_region_may_contain_throw, get_eh_region_tree_label): Remove.
9524         (get_eh_region_no_tree_label, set_eh_region_tree_label): Remove.
9525         (get_eh_region_from_number, get_eh_region_from_number_fn): New.
9526         (get_eh_landing_pad_from_number_fn): New.
9527         (get_eh_landing_pad_from_number): New.
9528         (get_eh_region_from_lp_number_fn): New.
9529         (get_eh_region_from_lp_number): New.
9530         (expand_resx_stmt, note_eh_region_may_contain_throw): Remove.
9531         (get_exception_pointer, get_exception_filter): Remove.
9532         (collect_eh_region_array, can_be_reached_by_runtime): Remove.
9533         (current_function_has_exception_handlers): Simplify.
9534         (bring_to_root, eh_region_replaceable_by_p): Remove.
9535         (replace_region, hash_type_list, hash_eh_region): Remove.
9536         (eh_regions_equal_p, merge_peers, remove_unreachable_regions): Remove.
9537         (label_to_region_map, num_eh_regions): Remove.
9538         (get_next_region_sharing_label, must_not_throw_labels): Remove.
9539         (find_exception_handler_labels): Remove.
9540         (duplicate_eh_regions_0, find_prev_try): Remove.
9541         (struct duplicate_eh_regions_data): New.
9542         (duplicate_eh_regions_1): Rewrite.
9543         (duplicate_eh_regions): Return a pointer map instead of an
9544         integer offset.
9545         (copy_eh_region_1, copy_eh_region, push_reachable_handler): Remove.
9546         (redirect_eh_edge_to_label): Remove.
9547         (eh_region_outermost): Rewrite using eh_region pointers
9548         instead of integers.
9549         (add_ttypes_entry): Update for ttype_data move to eh_status.
9550         (add_ehspec_entry): Rewrite with VEC instead of varray.
9551         (assign_filter_values): Likewise.  Export.
9552         (build_post_landing_pads, connect_post_landing_pads): Remove.
9553         (dw2_build_landing_pads): Rewrite to use lp_array.
9554         (struct sjlj_lp_info, sjlj_find_directly_reachable_regions): Remove.
9555         (sjlj_assign_call_site_values): Rewrite to use lp_array.
9556         (sjlj_emit_dispatch_table, sjlj_build_landing_pads): Likewise.
9557         (sjlj_mark_call_sites): Update for landing pad numbers.
9558         (finish_eh_generation): Rewrite.
9559         (gate_handle_eh): Do nothing for no eh tree.
9560         (pass_rtl_eh): Move up near finish_eh_generation.
9561         (remove_eh_landing_pad): New.
9562         (remove_eh_handler): Export.
9563         (remove_eh_region, remove_eh_handler_and_replace): Remove.
9564         (for_each_eh_label): Rewrite to use lp_array.
9565         (make_reg_eh_region_note): New.
9566         (make_reg_eh_region_note_nothrow_nononlocal): New.
9567         (insn_could_throw_p): New.
9568         (copy_reg_eh_region_note_forward): New.
9569         (copy_reg_eh_region_note_backward): New.
9570         (check_handled, add_reachable_handler): Remove.
9571         (reachable_next_level, foreach_reachable_handler): Remove.
9572         (arh_to_landing_pad, arh_to_label, reachable_handlers): Remove.
9573         (get_eh_region_and_lp_from_rtx): New.
9574         (get_eh_region_from_rtx): New.
9575         (can_throw_internal_1, can_throw_external_1): Remove.
9576         (can_throw_internal): Use get_eh_region_from_rtx.
9577         (can_throw_external): Use get_eh_region_and_lp_from_rtx.
9578         (insn_nothrow_p, can_nonlocal_goto): New.
9579         (expand_builtin_eh_common, expand_builtin_eh_pointer): New.
9580         (expand_builtin_eh_filter, expand_builtin_eh_copy_values): New.
9581         (add_action_record): Use VEC not varray.
9582         (collect_one_action_chain): Update for eh_region changes.
9583         (convert_to_eh_region_ranges): Make static.  Use VEC not varray.
9584         Use get_eh_region_and_lp_from_rtx.
9585         (gate_convert_to_eh_region_ranges): New.
9586         (pass_convert_to_eh_region_ranges): Use it.
9587         (push_uleb128, push_sleb128): Use VEC not varray.
9588         (output_one_function_exception_table): Likewise.
9589         (dump_eh_tree): Update for eh_region changes.
9590         (verify_eh_tree): Likewise.
9591         (verify_eh_region, default_init_unwind_resume_libfunc): Remove.
9592         * tree-eh.c: Include target.h.
9593         (add_stmt_to_eh_lp_fn): Rename from add_stmt_to_eh_region_fn.
9594         Don't disallow GIMPLE_RESX; adjust argument check.
9595         (add_stmt_to_eh_lp): Rename from add_stmt_to_eh_region.
9596         (record_stmt_eh_region): Update for landing pad numbers;
9597         generate a landing pad if necessary.
9598         (remove_stmt_from_eh_lp): Rename from remove_stmt_from_eh_region.
9599         (remove_stmt_from_eh_lp_fn): Similarly.
9600         (lookup_stmt_eh_lp_fn): Rename from lookup_stmt_eh_region_fn.
9601         Update for lp numbers; don't special case missing throw_stmt_table.
9602         (lookup_expr_eh_lp): Similarly.
9603         (lookup_stmt_eh_lp): Rename from lookup_stmt_eh_region.
9604         (eh_seq, eh_region_may_contain_throw): New.
9605         (struct leh_state): Add ehp_region.
9606         (struct leh_tf_state): Remove eh_label.
9607         (emit_post_landing_pad): New.
9608         (emit_resx, emit_eh_dispatch): New.
9609         (note_eh_region_may_contain_throw): New.
9610         (frob_into_branch_around): Take eh_region not eh label;
9611         emit eh code into eh_seq.
9612         (honor_protect_cleanup_actions): Early exit for no actions.  Don't
9613         handle EXC_PTR_EXPR, FILTER_EXPR.  Use gimple_build_eh_must_not_throw,
9614         lower_eh_must_not_throw.  Emit code to eh_seq.
9615         (lower_try_finally_nofallthru): Emit eh code to eh_seq.
9616         (lower_try_finally_onedest): Likewise.
9617         (lower_try_finally_copy): Likewise.
9618         (lower_try_finally_switch): Likewise.
9619         (lower_try_finally): Initialize ehp_region.
9620         (lower_catch): Update for eh_catch objects.
9621         (lower_eh_filter): Don't handle must_not_throw.
9622         (lower_eh_must_not_throw): New.
9623         (lower_cleanup): Don't set eh_label.
9624         (lower_eh_constructs_2): Resolve eh builtins.
9625         Handle GIMPLE_EH_MUST_NOT_THROW.
9626         (lower_eh_constructs): Initialize eh_region_may_contain_throw.
9627         Add eh_seq to the end of the function body.
9628         (make_eh_dispatch_edges): New.
9629         (make_eh_edge): Remove.
9630         (make_eh_edges): Simplify for landing pads.
9631         (redirect_eh_edge_1): New.
9632         (redirect_eh_edge): Use it.
9633         (redirect_eh_dispatch_edge): New.
9634         (stmt_could_throw_p): Use a switch.  Allow RESX.
9635         (stmt_can_throw_external): Use lookup_stmt_eh_lp.
9636         (stmt_can_throw_internal): Likewise.
9637         (maybe_clean_eh_stmt_fn, maybe_clean_eh_stmt): New.
9638         (maybe_clean_or_replace_eh_stmt): Update for landing pads.
9639         (maybe_duplicate_eh_stmt_fn, maybe_duplicate_eh_stmt): New.
9640         (gate_refactor_eh): New.
9641         (pass_refactor_eh): Use it.
9642         (lower_resx, execute_lower_resx, pass_lower_resx): New.
9643         (lower_eh_dispatch, execute_lower_eh_dispatch): New.
9644         (gate_lower_ehcontrol, pass_lower_eh_dispatch): New.
9645         (remove_unreachable_handlers): Rename from
9646         tree_remove_unreachable_handlers; rewrite for landing pads;
9647         call remove_eh_handler directly.
9648         (remove_unreachable_handlers_no_lp): New.
9649         (unsplit_eh, unsplit_all_eh): New.
9650         (tree_empty_eh_handler_p, all_phis_safe_to_merge): Remove.
9651         (cleanup_empty_eh_merge_phis, cleanup_empty_eh_move_lp): New.
9652         (cleanup_empty_eh_unsplit): New.
9653         (cleanup_empty_eh): Rewrite.
9654         (cleanup_all_empty_eh): New.
9655         (execute_cleanup_eh): Rename from cleanup_eh.  Remove unreachable
9656         handlers first.  Use unsplit_all_eh, cleanup_all_empty_eh.
9657         (gate_cleanup_eh): New.
9658         (pass_cleanup_eh): Use it.
9659         (verify_eh_edges): Move later in file.  Expect one EH edge.
9660         (verify_eh_dispatch_edge): New.
9662         * Makefile.in (FUNCTION_H): Use vecprim.h, not varray.h.
9663         (gtype-desc.o): Add TARGET_H.
9664         (tree.o): Use EXCEPT_H, not except.h.
9665         (cfgbuild.o): Add EXPR_H.
9666         (GTFILES): Add vecprim.h.
9667         * builtins.c (expand_builtin): Handle BUILT_IN_EH_POINTER,
9668         BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES.
9669         * builtins.def (BUILT_IN_UNWIND_RESUME, BUILT_IN_EH_POINTER,
9670         BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES): New.
9671         * calls.c (emit_call_1): Use make_reg_eh_region_note.
9672         * cfgbuild.c (control_flow_insn_p): Use can_nonlocal_goto; tidy
9673         calls to can_throw_internal.
9674         (rtl_make_eh_edge): Use get_eh_landing_pad_from_rtx.
9675         (make_edges): Don't handle RESX; use can_nonlocal_goto.
9676         * cfgexpand.c (expand_gimple_stmt_1): Don't handle RESX.
9677         (expand_gimple_stmt): Use make_reg_eh_region_note.
9678         (expand_debug_expr): Don't handle EXC_PTR_EXPR and FILTER_EXPR.
9679         (gimple_expand_cfg): Don't call convert_from_eh_region_ranges,
9680         or find_exception_handler_labels.
9681         * cfgrtl.c (rtl_verify_flow_info_1): Don't handle RESX.  Assert
9682         there is exacly one EH edge.  Use can_nonlocal_goto and
9683         can_throw_internal.
9684         * cgraphunit.c (update_call_expr): Use maybe_clean_eh_stmt_fn.
9685         (cgraph_materialize_all_clones): Use maybe_clean_or_replace_eh_stmt.
9686         * combine.c (can_combine_p, try_combine): Use insn_nothrow_p.
9687         * cse.c (count_reg_usage, insn_live_p): Use insn_could_throw_p.
9688         * dce.c (deletable_insn_p_1): Don't test may_trap_p.
9689         (deletable_insn_p): Use insn_nothrow_p; reorder nonjump insn test.
9690         * dse.c (scan_insn): Use insn_could_throw_p.
9691         * emit-rtl.c (try_split): Use copy_reg_eh_region_note_backward.
9692         * expr.c (expand_expr_real): Use make_reg_eh_region_note.
9693         (expand_expr_real_1): Don't handle RESX, EXC_PTR, or FILTER_EXPR.
9694         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't handle
9695         EXC_PTR_EXPR or FILTER_EXPR.
9696         (tree_expr_nonzero_warnv_p): Likewise.
9697         * function.h: Include vecprim.h, not varray.h
9698         (struct rtl_eh): Remove filter, exc_ptr, built_landing_pad members;
9699         move ttype_data and ehspec_data members to struct eh_status; change
9700         action_record_data member to a VEC.
9701         * gcse.c (hash_scan_set): Use can_throw_internal.
9702         * gengtype.c (open_base_files): Add target.h to gtype-desc.c.
9703         * gimple-iterator.c (gsi_replace): Use maybe_clean_or_replace_eh_stmt.
9704         * gimple-low.c (lower_stmt): Handle GIMPLE_EH_MUST_NOT_THROW.
9705         (block_may_fallthru): Don't handle RESX_EXPR.
9706         * gimple-pretty-print.c (dump_gimple_label): Dump EH_LANDING_PAD_NR.
9707         (dump_gimple_eh_must_not_throw, dump_gimple_eh_dispatch): New.
9708         (dump_gimple_stmt): Dump landing pad information with TDF_EH;
9709         handle GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH.
9710         * gimple.c (gss_for_code): Handle GIMPLE_EH_MUST_NOT_THROW,
9711         GIMPLE_EH_DISPATCH, GIMPLE_RESX.
9712         (gimple_size): Likewise.
9713         (gimple_build_eh_dispatch, gimple_build_eh_must_not_throw): New.
9714         (gimple_build_resx): Use gimple_build_with_ops.
9715         (DEFTREECODE): Don't handle EXC_PTR_EXPR, FILTER_EXPR.
9716         (is_gimple_val): Likewise.
9717         (is_gimple_stmt): Remove RESX_EXPR.
9718         * gimple.def (GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH): New.
9719         (GIMPLE_RESX): Reorder with other EH constructs.
9720         * gimple.h (struct gimple_statement_eh_mnt): New.
9721         (struct gimple_statement_eh_ctrl): Rename from gimple_statement_resx.
9722         (gimple_eh_filter_must_not_throw): Remove.
9723         (gimple_eh_filter_set_must_not_throw): Remove.
9724         (gimple_eh_must_not_throw_fndecl): New.
9725         (gimple_eh_dispatch_region, gimple_eh_dispatch_set_region): New.
9726         (is_gimple_resx): New.
9727         * gimplify.c (gimplify_expr): Don't handle EXC_PTR_EXPR, RESX_EXPR.
9728         Don't copy EH_FILTER_MUST_NOT_THROW.
9729         * gsstruct.def (GSS_EH_MNT, GSS_EHCONTROL): New.
9730         * ipa-inline.c (estimate_function_body_sizes): Don't try to
9731         handle must_not_throw_labels specially.
9732         * ipa-pure-const.c (check_call): Update debug statement for LP.
9733         * ipa-type-escape.c (check_operand): Don't handle EXC_PTR or FILTER.
9734         * ipa-utils.c (get_base_var): Likewise.
9735         * libfunc.h (LTI_unwind_resume, unwind_resume_libfunc): Remove.
9736         * lower-subreg.c (move_eh_region_note): Remove.
9737         (resolve_simple_move): Use copy_reg_eh_region_note_forward.
9738         * omp-low.c (new_omp_context): Update for eh_lp_nr.
9739         (create_task_copyfn): Likewise.
9740         (maybe_catch_exception): Use gimple_build_eh_filter.
9741         * optabs.c (emit_libcall_block): Update test for no-nonlocal-goto
9742         REG_EH_REGION.  Use make_reg_eh_region_note_nothrow_nononlocal.
9743         * passes.c (init_optimization_passes): Add pass_lower_eh_dispatch
9744         and pass_lower_resx.
9745         * print-tree.c (print_node): Dump EH_LANDING_PAD_NR.
9746         * recog.c (peephole2_optimize): Use copy_reg_eh_region_note_backward,
9747         can_throw_internal, can_nonlocal_goto.
9748         * reload1.c (fixup_eh_region_note): Use insn_could_throw_p,
9749         copy_reg_eh_region_note_forward.
9750         (emit_input_reload_insns): Use copy_reg_eh_region_note_forward.
9751         (emit_output_reload_insns): Likewise.
9752         (copy_eh_notes): Remove.
9753         * rtl.def (RESX): Remove.
9754         * rtl.h: Update declarations.
9755         * sese.c (graphite_copy_stmts_from_block): Use maybe_duplicate_eh_stmt.
9756         * tree-cfg.c (make_edges): Handle GIMPLE_EH_DISPATCH.
9757         (update_eh_label): Remove.
9758         (cleanup_dead_labels_eh): New.
9759         (cleanup_deal_labels): Use it instead of update_eh_label.
9760         (gimple_merge_blocks): Update landing pad data structure when
9761         removing a landing pad label.
9762         (remove_useless_stmts_tc): Remove gimple_eh_filter_must_not_throw
9763         test; handle GIMPLE_EH_MUST_NOT_THROW.
9764         (is_ctrl_altering_stmt): Handle GIMPLE_EH_DISPATCH.
9765         (verify_gimple_assign_single): Don't handle EXC_PTR or FILTER_EXPR.
9766         (verify_types_in_gimple_stmt): Handle GIMPLE_EH_DISPATCH.
9767         (verify_stmt): Likewise.  Verify landing pads.
9768         (gimple_redirect_edge_and_branch): Handle GIMPLE_EH_DISPATCH.
9769         (gimple_duplicate_bb): Use maybe_duplicate_eh_stmt.
9770         (struct move_stmt_d): Add eh_map.
9771         (move_stmt_eh_region_nr, move_stmt_eh_region_tree_nr): New.
9772         (move_stmt_r): Remap eh region numbers in builtin calls,
9773         resx and eh_dispatch.
9774         (move_block_to_fn): Remove eh_offset parameter.  Use
9775         maybe_duplicate_eh_stmt_fn.
9776         (find_outermost_region_in_block): Operate on eh_region pointers
9777         instead of region numbers.
9778         (move_sese_region_to_fn): Expect eh_map instead of eh_offset from
9779         duplicate_eh_regions.
9780         * tree-cfgcleanup.c (tree_forwarder_block_p): Move entry block edge
9781         test earlier.  Disallow EH landing pads.
9782         * tree-cfa.c (create_tree_common_ann): Don't set ann->rn.
9783         * tree-flow.h: Update declarations.
9784         (struct tree_ann_common_d): Replace rn with lp_nr.
9785         * tree-inline.c (copy_tree_body_r): Don't handle RESX_EXPR.
9786         (remap_eh_region_nr, remap_eh_region_tree_nr): New.
9787         (remap_gimple_stmt): Remap eh region numbers in builtin calls,
9788         resx and eh_dispatch.
9789         (copy_bb): Use maybe_duplicate_eh_stmt_fn.
9790         (copy_edges_for_bb): Use make_eh_dispatch_edges.
9791         (copy_cfg_body): Expect eh_map instead of eh_region_offset
9792         from duplicate_eh_regions.
9793         (estimate_num_insns): Don't handle EXC_PTR_EXPR or FILTER_EXPR;
9794         update RESX; handle EH_DISPATCH.
9795         (expand_call_inline): Set eh_lp_nr, not eh_region.
9796         (maybe_inline_call_in_expr): Likewise.
9797         * tree-inline.h (struct copy_body_data): Replace eh_region with
9798         eh_lp_nr, eh_region_offset with eh_map.
9799         * tree-optimize.c (execute_fixup_cfg): Use maybe_clean_eh_stmt.
9800         * tree-pass.h (pass_lower_eh_dispatch, pass_lower_resx): New.
9801         * tree-pretty-print.c (dump_generic_node): Don't handle
9802         EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR.
9803         * tree-sra.c (scan_function): Use maybe_clean_eh_stmt.
9804         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Don't handle
9805         EXC_PTR_EXPR, FILTER_EXPR.
9806         * tree-ssa-operands.c (get_expr_operands): Likewise.
9807         * tree-ssa-propagate.c (valid_gimple_rhs_p): Likewise.
9808         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
9809         (ao_ref_init_from_vn_reference): Likewise.
9810         * tree-ssa-sink.c (statement_sink_location): Likewise.
9811         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
9812         (mark_virtual_phi_result_for_renaming): Export.  Tidy.
9813         * tree-ssa-pre.c (get_or_alloc_expr_for): Don't handle
9814         EXC_PTR_EXPR, FILTER_EXPR.
9815         (is_exception_related): Remove.
9816         (compute_avail): Don't call it.
9817         * tree-ssa-structalias.c: Remove VEC definitions for int and unsigned.
9818         * tree.c (find_decls_types_in_eh_region): Update for eh_region changes.
9819         (find_decls_types_in_node): Use FOR_ALL_EH_REGION_FN.
9820         (build_common_builtin_nodes): Add enable_cxa_end_cleanup parameter.
9821         Build EH builtins.
9822         (build_resx): Remove.
9823         * tree.def (EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR): Remove.
9824         * tree.h: Update declarations.
9825         (EH_FILTER_MUST_NOT_THROW): Remove.
9826         (struct tree_label_decl): Add eh_landing_pad_nr.
9827         (EH_LANDING_PAD_NR): New.
9828         * value-prof.c (gimple_ic): Tidy variable names.  Update for
9829         landing pad numbers.
9830         (gimple_stringop_fixed_value): Tidy variable names.  Assert
9831         that neither call stmt can throw.
9832         * vecprim.h (uchar): New.
9833         (VEC(uchar,heap), VEC(uchar,gc)): New.
9835         * c-common.c (c_define_builtins): Update call to
9836         build_common_builtin_nodes.
9837         * c-parser.c (c_parse_file): Don't call
9838         default_init_unwind_resume_libfunc.
9840 2009-09-14  Richard Sandiford  <rdsandiford@googlemail.com>
9842         * config/mips/mips-protos.h (mips_cfun_has_cprestore_slot_p): Declare.
9843         (mips_cprestore_address_p): Likewise.
9844         (mips_save_gp_to_cprestore_slot): Likewise.
9845         (mips_restore_gp): Rename to...
9846         (mips_restore_gp_from_cprestore_slot): ...this.
9847         (mips_must_initialize_gp_p): Declare.
9848         (mips_emit_save_slot_move): Likewise.
9849         (mips_output_load_label): Return nothing.
9850         (mips_eh_uses): Declare.
9851         * config/mips/mips.h (TARGET_SPLIT_CALLS): Require epilogue_completed.
9852         (TARGET_CPRESTORE_DIRECTIVE): New macro.
9853         (TARGET_ABSOLUTE_JUMPS): Likewise.
9854         (EH_USES): Likewise.
9855         (FIRST_PSEUDO_REGISTER): Update comment.
9856         (MIPS_ABSOLUTE_JUMP): New macro, extracted from...
9857         (MIPS_CALL): ...here.
9858         (REGISTER_NAMES): Add $cprestore.
9859         * config/mips/mips.c (machine_function): Remove has_gp_insn_p.
9860         Add load_label_length, has_inflexible_gp_insn_p,
9861         has_flexible_gp_insn_p, must_initialize_gp_p and
9862         must_restore_gp_when_clobbered_p.
9863         (mips_expand_call): Don't generate split instructions here.
9864         (mips_split_call): Update the call to mips_restore_gp after
9865         the above name change.
9866         (mips16_cfun_returns_in_fpr_p): Move earlier in file.
9867         (mips_find_gp_ref): New function.
9868         (mips_insn_has_inflexible_gp_ref_p): Likewise.
9869         (mips_cfun_has_inflexible_gp_ref_p): Likewise.
9870         (mips_insn_has_flexible_gp_ref_p): Likewise.
9871         (mips_cfun_has_flexible_gp_ref_p): Likewise.
9872         (mips_function_has_gp_insn): Delete.
9873         (mips_global_pointer): Drop the df_regs_ever_live_p check.
9874         Use the new functions above.  Only return INVALID_REGNUM
9875         for TARGET_ABSOLUTE_JUMPS.
9876         (mips_must_initialize_gp_p): New function.
9877         (mips_get_cprestore_base_and_offset): New function, extracted from...
9878         (mips_cprestore_slot): ...here.  Take a bool parameter.
9879         (mips_cfun_has_cprestore_slot_p): New function.
9880         (mips_cprestore_address_p): Likewise.
9881         (mips_save_gp_to_cprestore_slot): Likewise.
9882         (mips_restore_gp): Rename to...
9883         (mips_restore_gp_from_cprestore_slot): ...this.  Assert
9884         epilogue_completed.  Update the call to mips_cprestore_slot.
9885         Test cfun->machine->must_restore_gp_when_clobbered_p.
9886         (mips_direct_save_slot_move_p): New function.
9887         (mips_emit_save_slot_move): Likewise.
9888         (mips_output_cplocal): Test mips_must_initialize_gp_p () instead
9889         of cfun->machine->global_pointer.
9890         (mips_output_function_prologue): Check mips_must_initialize_gp_p ().
9891         (mips_save_reg): Use mips_emit_save_slot_move.
9892         (mips_expand_prologue): Set must_initialize_gp_p.
9893         Use mips_cfun_has_cprestore_slot_p.  Use gen_potential_cprestore
9894         for all cprestore saves.  Emit a use_cprestore instruction after
9895         setting up the cprestore slot.
9896         (mips_restore_reg): Use mips_emit_save_slot_move.
9897         (mips_process_load_label): New function.
9898         (mips_load_label_length): Likewise.
9899         (mips_output_load_label): Don't return asm: output it here instead.
9900         Use mips_process_load_label.
9901         (mips_adjust_insn_length): Adjust the length of branch instructions
9902         that have length MAX_PIC_BRANCH_LENGTH.
9903         (mips_output_conditional_branch): Update the call to
9904         mips_output_load_label.  Assume the branch target is OPERANDS[0]
9905         rather than OPERANDS[1].  Use MIPS_ABSOLUTE_JUMP for absolute jumps.
9906         (mips_output_order_conditional_branch): Swap the meaning of
9907         OPERANDS[0] and OPERANDS[1].
9908         (mips_variable_issue): Don't count ghost instructions.
9909         (mips_expand_ghost_gp_insns): New function.
9910         (mips_reorg): Rerun mips_reorg_process_insns if it returns true.
9911         (mips_output_mi_thunk): Set must_initialize_gp_p.
9912         (mips_eh_uses): New function.
9913         * config/mips/predicates.md (cprestore_save_slot_operand)
9914         (cprestore_load_slot_operand): New predicates.
9915         * config/mips/mips.md (UNSPEC_POTENTIAL_CPRESTORE): New unspec.
9916         (UNSPEC_MOVE_GP): Likewise.
9917         (UNSPEC_CPRESTORE, UNSPEC_RESTORE_GP, UNSPEC_EH_RETURN)
9918         (UNSPEC_CONSTTABLE_INT, UNSPEC_CONSTTABLE_FLOAT): Bump to make room.
9919         (CPRESTORE_SLOT_REGNUM): New register.
9920         (MAX_PIC_BRANCH_LENGTH): New constant.
9921         (jal_macro): Use MIPS_ABSOLUTE_JUMPS.
9922         (length): Use MAX_PIC_BRANCH_LENGTH as a placeholder for PIC long
9923         branches.  Fix commentary.
9924         (loadgp_newabi_<mode>): Change from unspec_volatile to unspec.
9925         Only split if mips_must_initialize_gp_p; expand to nothing otherwise.
9926         Change type to "ghost".
9927         (loadgp_absolute_<mode>): Likewise.
9928         (loadgp_rtp_<mode>): Likewise.
9929         (copygp_mips16): Likewise.
9930         (loadgp_blockage): Remove redundant mode attribute.
9931         (potential_cprestore): New instruction.
9932         (cprestore): Turn into an unspec set.
9933         (use_cprestore): New instruction.
9934         (*branch_fp): Swap operands 0 and 1.  Remove redundant mode attribute.
9935         (*branch_fp_inverted): Likewise.
9936         (*branch_order<mode>): Likewise.
9937         (*branch_order<mode>_inverted): Likewise.
9938         (*branch_equality<mode>): Likewise.
9939         (*branch_equality<mode>_inverted): Likewise.
9940         (*branch_bit<bbv><mode>): Likewise.
9941         (*branch_bit<bbv><mode>_inverted): Likewise.
9942         (*branch_equality<mode>_mips16): Remove redundant mode.
9943         (jump): Turn into a define_expand.
9944         (*jump_absolute): New instruction.
9945         (*jump_pic): Likewise.
9946         (*jump_mips16): Rename previously-unnamed pattern.  Remove
9947         redundant mode attribute.
9948         (restore_gp): Split on epilogue_completed rather than
9949         reload_completed.  Change type to "ghost".
9950         (move_gp<mode>): New instruction.
9951         * config/mips/mips-dsp.md (mips_bposge): Swap operands 0 and 1.
9952         Remove redundant mode attribute.
9953         * config/mips/mips-ps-3d.md (bc1any4t): Likewise.
9954         (bc1any4f, bc1any2t, bc1any2f): Likewise.
9955         (*branch_upper_lower, *branch_upper_lower_inverted): Likewise.
9957 2009-09-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
9959         PR target/41210
9960         * config/rs6000/rs6000.c (rs6000_function_value): V2DF and V2DI
9961         are returned in the same register (vs34 or v2) that Altivec vector
9962         types are returned in.
9963         (rs6000_libcall_value): Ditto.
9965         PR target/41331
9966         * config/rs6000/rs6000.c (rs6000_emit_move): Use gen_add3_insn
9967         instead of explicit addsi3/adddi3 calls.
9968         (rs6000_split_multireg_move): Ditto.
9969         (rs6000_emit_allocate_stack): Ditto.
9970         (rs6000_emit_prologue): Ditto.
9971         (rs6000_output_mi_thunk): Ditto.
9973         * config/rs6000/rs6000.md (bswapdi*): Don't assume the pointer
9974         size is 64 bits if we can use 64-bit registers.
9976 2009-09-14  Bernd Schmidt  <bernd.schmidt@analog.com>
9978         * config/bfin/bfin.c (bfin_longcall_p): Don't use short calls for weak
9979         symbols.
9981         From Jie Zhang <jie.zhang@analog.com>:
9982         * config/bfin/bfin.c (bfin_expand_prologue): Ask do_link to
9983         save FP and RETS with saveall attribute.
9984         (bfin_expand_epilogue): Ask do_unlink to restore FP and RETS
9985         with saveall attribute.
9987         * config/bfin/bfin.c (bfin_expand_builtin,
9988         case BFIN_BUILTIN_MULT_1X32X32): Force constants to registers for the
9989         operands.
9991         From Jie Zhang <jie.zhang@analog.com>:
9992         * config/bfin/bfin.c (bfin_expand_builtin): Initialize icodes
9993         before use in two places.
9994         * config/bfin/bfin.md (AREG): Define mode iterator.
9995         (reload_in, reload_out): Use mode iterator AREG.
9997 2009-09-14  Richard Guenther  <rguenther@suse.de>
9999         PR middle-end/41350
10000         * dwarf2out.c (dwarf2out_begin_prologue): Adjust non-CFI asm
10001         EH personality path.
10003 2009-09-13  Richard Guenther  <rguenther@suse.de>
10004             Rafael Avila de Espindola  <espindola@google.com>
10006         * langhooks-def.h (LANG_HOOKS_EH_RUNTIME_TYPE): Define.
10007         (LANG_HOOKS_EH_PERSONALITY): Likewise.
10008         (LANG_HOOKS_INITIALIZER): Adjust.
10009         (lhd_pass_through_t): Declare.
10010         * langhooks.h (struct lang_hooks): Add eh_runtime_type and
10011         eh_personality.
10012         * langhooks.c (lhd_pass_through_t): New function.
10013         * dwarf2out.c (output_call_frame_info, dwarf2out_do_cfi_startproc,
10014         dwarf2out_begin_prologue): Use personality from current_function_decl.
10015         * expr.h (get_personality_function): Declare.
10016         * expr.c (get_personality_function): New function.
10017         (build_personality_function): Likewise.
10018         * libfuncs.h (libfunc_index): Remove LTI_eh_personality.
10019         (eh_personality_libfunc): Remove.
10020         * optabs.c (build_libfunc_function): New function split out from ...
10021         (init_one_libfunc): ... here.
10022         * tree.h (DECL_FUNCTION_PERSONALITY): New.
10023         (tree_function_decl): Add personality.
10024         (lhd_gcc_personality): Declare.
10025         (build_personality_function): Likewise.
10026         * tree.c (gcc_eh_personality_decl): New.
10027         (lhd_gcc_personality): New function.
10028         * except.h (lang_eh_runtime_type): Remove.
10029         (enum eh_personality_kind): New.
10030         (build_personality_function): Declare.
10031         (function_needs_eh_personality): Declare.
10032         * except.c (lang_eh_runtime_type): Remove.
10033         (function_needs_eh_personality): New function.
10034         (add_type_for_runtime): Call lang_hooks.type_for_runtime instead.
10035         (sjlj_emit_function_enter, output_function_exception_table):
10036         Use personality from current_function_decl.
10037         * tree-eh.c (lower_eh_constructs): Set DECL_FUNCTION_PERSONALITY.
10038         * tree-inline.c (tree_can_inline_p): Do not inline across different
10039         EH personalities.
10040         (expand_call_inline): Likewise.  Adjust the callers EH personality.
10041         (tree_function_versioning): Copy DECL_FUNCTION_PERSONALITY.
10042         * cgraph.c (cgraph_add_new_function): Set DECL_FUNCTION_PERSONALITY.
10043         * Makefile.in (cgraph.o): Add $(EXCEPT_H) dependency.
10044         (c-parser.o): Likewise
10045         * c-tree.h (c_eh_initialized_p): Remove.
10046         (c_maybe_initialize_eh): Likewise.
10047         * c-decl.c (finish_decl): Don't call c_maybe_initialize_eh.
10048         (finish_decl): Don't call c_maybe_initialize_eh.
10049         (c_eh_initialized_p): Remove.
10050         (c_maybe_initialize_eh): Likewise.
10051         * c-parser.c (c_parser_omp_construct): Likewise.
10052         (c_parse_file): Initialize exception handling.
10054 2009-09-13  Kai Tietz  <kai.tietz@onevision.com>
10056         * config.gcc (tm_file): Remove i386/biarch32.h
10057         for i?86-w64-mingw* case.
10058         (i?86-*-mingw* andx86_64-*-mingw*): Add multilib
10059         support.
10060         * config.host: Set for x64 mingw the option
10061         use_long_long_for_widest_fast_int to yes.
10063 2009-09-13  Eric Botcazou  <ebotcazou@adacore.com>
10065         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
10066         * dbxout.c (dbxout_function_end): Do not test DECL_IGNORED_P.
10067         (dbxout_begin_function): Likewise.
10068         * final.c (dwarf2_debug_info_emitted_p): New predicate.
10069         (final_start_function): Do not emit debug info if DECL_IGNORED_P is
10070         set on the function.
10071         (final_end_function): Likewise.
10072         (final_scan_insn): Likewise.
10073         (rest_of_handle_final): Likewise.
10074         * varasm.c (assemble_start_function): Likewise.
10075         * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
10077 2009-09-12  Jason Merrill  <jason@redhat.com>
10079         * dbgcnt.c (dbg_cnt_process_single_pair): constify.
10080         * opts.c (common_handle_option): constify.
10082 2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>
10084         * doc/install.texi (avr): Remove obsolete reference site.
10086 2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>
10088         * doc/install.texi (Binaries): Adjust AIX link.
10090 2009-09-12  Akim Demaille  <demaille@gostai.com>
10092         * doc/invoke.texi (-fstrict-aliasing): Correct two examples.
10093         Use an imperative sentence.
10095 2009-09-11  Richard Henderson  <rth@redhat.com>
10097         * gsstruct.def (DEFGSSTRUCT): Remove printable-name argument; add
10098         structure-name and has-tree-operands arguments; update all entries.
10099         * gimple.def (DEFGSCODE): Replace 3rd argument with GSS_symbol;
10100         update all entries.
10101         * gimple.c (gimple_ops_offset_): Use HAS_TREE_OP argument.
10102         (gsstruct_code_size): New.
10103         (gss_for_code_): New.
10104         (gss_for_code): Remove.
10105         (gimple_size): Rewrite using gsstruct_code_size.
10106         (gimple_statement_structure): Move to gimple.h.
10107         * gimple.h (gimple_ops_offset_, gss_for_code_): Declare.
10108         (gss_for_code, gimple_statement_structure): New.
10109         (gimple_ops): Use new arrays; tidy.
10111 2009-09-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10113         * config/pa/predicates.md (symbolic_operand): Require a CONST symbolic
10114         operand to be a PLUS expression.
10115         * config/pa/pa.c (pa_secondary_reload): Likewise.
10117 2009-09-11  Jakub Jelinek  <jakub@redhat.com>
10119         * combine.c (propagate_for_debug_subst): Call wrap_constant on top.
10121         * print-rtl.c (print_rtx): Use JUMP_LABEL (in_rtx) instead of
10122         XEXP (in_rtx, 8).
10124 2009-09-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10126         From Jie Zhang <jie.zhang@analog.com>:
10127         * doc/extend.texi (node Function Attributes): Document l2
10128         function attribute.
10129         (node Blackfin Variable Attributes): Document l2 variable attributes.
10131 2009-09-11  Loren J. Rittle  <ljrittle@acm.org>
10133         * config.gcc (*-*-freebsd*): Enable default_use_cxa_atexit
10134         to match the system compiler's configuration at inflection point.
10135         Add comment to remark a remaining difference with system compiler.
10137         * configure.ac (*-*-freebsd*): Enable check for __stack_chk_fail.
10138         * configure: Regenerate.
10140 2009-09-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10142         From Jie Zhang <jie.zhang@analog.com>:
10143         * config/bfin/bfin.c (bfin_expand_call): Handle L2 functions.
10144         (bfin_handle_l2_attribute): New.
10145         (bfin_attribute_table): Add l2 attribute.
10147 2009-09-11  Michael Matz  <matz@suse.de>
10149         PR middle-end/41275
10150         * tree-inline.c (remap_decls): Don't put DECL_EXTERNAL decls
10151         on the local_decls list.
10153 2009-09-11  Alexandre Oliva  <aoliva@redhat.com>
10155         PR debug/41276
10156         PR debug/41307
10157         * cselib.c (cselib_expand_value_rtx_cb): Document callback
10158         interface.
10159         (cselib_expand_value_rtx_1): Use callback for SUBREGs.  Adjust
10160         for VALUEs, to implement the documented interface.
10161         * var-tracking.c (vt_expand_loc_callback): Handle SUBREGs.
10162         Adjust for VALUEs and anything else, to implement the
10163         documented interface.
10165 2009-09-10  Nathan Froyd  <froydnj@codesourcery.com>
10167         * config/rs6000/rs6000.h (DATA_ALIGNMENT): Check that we are dealing
10168         with actual SPE/paired vector modes before using 64-bit alignment.
10169         Check that TYPE is a REAL_TYPE for TARGET_E500_DOUBLE.
10171 2009-09-10  DJ Delorie  <dj@redhat.com>
10173         * config/mep/mep.md (eh_epilogue): Defer until after epilogue is
10174         emitted.
10176         * config/mep/mep.h (LEGITIMATE_CONSTANT_P): New.
10177         * config/mep/mep.c (mep_legitimate_constant_p): New.
10178         * config/mep/mep-protos.h: Prototype it.
10180 2009-09-10  Richard Henderson  <rth@redhat.com>
10182         * print-rtl.c (print_rtx): Fix JUMP_LABEL index.
10184 2009-09-10  Jason Merrill  <jason@redhat.com>
10186         * tree.c (chain_index): New fn.
10187         * tree.h: Declare it.
10189 2009-09-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10191         * config/sol2-c.c (cmn_err_length_specs): Initialize
10192         scalar_identity_flag.
10194 2009-09-10  Richard Henderson  <rth@redhat.com>
10196         * tree.h (struct tree_decl_common): Move align member earlier;
10197         move label_decl_uid member ...
10198         (struct tree_label_decl): ... here.
10199         (LABEL_DECL_UID): Update to match.
10201         * tree-cfg.c (dump_function_to_file): Dump eh tree with TDF_EH,
10202         not TDF_DETAILS.
10204         * tree-cfg.c (gimple_redirect_edge_and_branch): Do
10205         gimple_try_redirect_by_replacing_jump test after no-op and EH tests.
10207         * tree-cfg.c (split_edge_bb_loc): Don't disallow placement at
10208         dest_prev if the edge is complex.
10210         * tree-cfg.c (is_ctrl_stmt): Use a switch.
10212         * tree-cfg.c (gimple_can_merge_blocks_p): Move label and
10213         loop latch tests earlier.
10215         * gimple-iterator.c (gimple_find_edge_insert_loc): Insert
10216         before GIMPLE_RETURN, not after its predecessor; insert
10217         before GIMPLE_RESX.
10219         * gimple-iterator.c (gimple_find_edge_insert_loc): Use
10220         gimple_seq_empty_p to test for no PHI nodes.
10221         * tree-cfg.c (split_critical_edges): Likewise.
10223         * c-common.h (c_dialect_cxx, c_dialect_objc): Boolify.
10225 2009-09-10  Hariharan Sandanagobalane  <hariharan@picochip.com>
10227         * final.c (shorten_branches) : Ignore DEBUG_INSN_P instructions
10228         introduced by the VTA branch merge.
10230 2009-09-10  Uros Bizjak  <ubizjak@gmail.com>
10232         * ira-conflicts.c: Use fputs or putc instead of fprintf
10233         where appropriate.
10234         * cfg.c: Ditto.
10235         * toplev.c: Ditto.
10236         * tree-switch-conversion.c: Ditto.
10238 2009-09-10  Hariharan Sandanagobalane  <hariharan@picochip.com>
10240         * config/picochip/picochip.c : Ignore DEBUG_INSN_P instructions
10241         introduced by the VTA branch merge.
10243 2009-09-10  Uros Bizjak  <ubizjak@gmail.com>
10245         Revert:
10246         2009-09-09  Uros Bizjak  <ubizjak@gmail.com>
10248         PR rtl-optimization/39779
10249         * expr.c (convert_modes): Return when mode == oldmode after
10250         CONST_INTs are processed.
10252 2009-09-10  Nick Clifton  <nickc@redhat.com>
10254         * config/mep/mep.c (mep_encode_section_info): Copy weakness
10255         attribute and referring decl when creating renamed symbol.
10257 2009-09-10  Richard Guenther  <rguenther@suse.de>
10259         PR middle-end/41257
10260         * cgraphunit.c (cgraph_emit_thunks): Emit thunks only for
10261         reachable nodes.
10262         (cgraph_finalize_compilation_unit): Compute reachability
10263         before emitting thunks.  Properly process aliases before
10264         possibly removing unreachable nodes.
10266 2009-09-10  Richard Guenther  <rguenther@suse.de>
10268         PR middle-end/41254
10269         * tree.c (struct free_lang_data_d): Add worklist member.
10270         (find_decls_types_r): Push onto the worklist instead of recursing.
10271         Handle TREE_BINFOs properly.
10272         (find_decls_types): New function wrapped around find_decls_types_r
10273         to process the worklist.
10274         (find_decls_types_in_eh_region): Use it.
10275         (find_decls_types_in_node): Likewise.
10276         (find_decls_types_in_var): Likewise.
10277         (free_lang_data_in_cgraph): Likewise.  Free the worklist.
10278         * tree.h (RECORD_OR_UNION_TYPE_P): New.
10279         (AGGREGATE_TYPE_P): Adjust.
10281 2009-09-09  Jason Merrill  <jason@redhat.com>
10283         * configure.ac: Check glibc version even if we have an in-tree
10284         assembler.
10286 2009-09-09  Anthony Green  <green@moxielogic.com>
10288         * config/moxie/moxie.md (*movsi, *movhi, *movqi): Use xor to load
10289         the constant 0 when appropriate.
10290         * config/moxie/constraints.md: Add constraint O.
10292         * config/moxie/moxie.c (moxie_setup_incoming_varargs): Adjust
10293         to pass up to 6 32-bit argument values in registers.
10294         (moxie_function_arg): Ditto.
10295         (moxie_arg_partial_bytes): Ditto.
10296         * config/moxie/moxie.h (FUNCTION_ARG_ADVANCE): Ditto.
10297         (REG_PARM_STACK_SPACE): Ditto.
10298         (FUNCTION_ARG_REGNO_P): Ditto.
10300         * config/moxie/moxie.c (moxie_expand_prologue): Use dec
10301         instruction to allocate stack space.
10303 2009-09-09  Segher Boessenkool  <segher@kernel.crashing.org>
10305         * config/rs6000/rs6000.md (bswapdi2_64bit): Fix
10306         unnecessarily stringent constraints.  Fix address
10307         calculation in the splitters.
10309 2009-09-09  Uros Bizjak  <ubizjak@gmail.com>
10311         PR rtl-optimization/39779
10312         * expr.c (convert_modes): Return when mode == oldmode after
10313         CONST_INTs are processed.
10315 2009-09-09  Kai Tietz  <kai.tietz@onevision.com>
10317         PR/41315
10318         * config/i386.c (ix86_can_use_return_insn_p): Check for padding0, too.
10319         (ix86_expand_prologue): Take frame.padding0 into logic of
10320         to_allocate checks.
10321         (ix86_expand_epilogue): Likewise.
10323 2009-09-09  Jakub Jelinek  <jakub@redhat.com>
10325         * config/t-slibgcc-elf-ver (SHLIB_MAKE_SOLINK, SHLIB_INSTALL_SOLINK):
10326         New variables.
10327         (SHLIB_LINK, SHLIB_INSTALL): Use them.
10328         * config/t-slibgcc-libgcc: New file.
10329         * config.gcc (powerpc*-*-linux*, powerpc*-*-gnu*): Use it.
10331 2009-09-09  Martin Jambor  <mjambor@suse.cz>
10333         PR tree-optimization/41089
10334         * tree-sra.c (find_var_candidates): Do not consider va_lists in
10335         early SRA.
10337 2009-09-09  Richard Henderson  <rth@redhat.com>
10339         * gimple.h (CASE_GIMPLE_OMP): New.
10340         (is_gimple_omp): Use it.
10341         * tree-cfg.c (is_ctrl_altering_stmt): Likewise.
10342         (verify_gimple_debug): Likewise.
10344 2009-09-09  Richard Guenther  <rguenther@suse.de>
10346         PR tree-optimization/41101
10347         * tree-ssa-pre.c (maximal_set): Remove.
10348         (compute_antic_aux): Treat the maximal set as implicitly all ones.
10349         Defer all blocks we didn't visit at least one successor.
10350         (add_to_exp_gen): Do not add to the maximal set.
10351         (make_values_for_phi): Likewise.
10352         (compute_avail): Likewise.
10353         (init_pre): Do not allocate the maximal set.
10354         (execute_pre): Do not dump it.
10356 2009-09-09  Martin Jambor  <mjambor@suse.cz>
10358         * tree-cfg.c (verify_gimple_phi): Check that gimple_phi_result is
10359         an SSA_NAME rather than a is_gimple_variable.
10361 2009-09-09  Richard Guenther  <rguenther@suse.de>
10363         PR middle-end/41317
10364         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Remove
10365         code dealing with plain pointer bases.
10366         (maybe_fold_offset_to_reference): Likewise.
10367         (maybe_fold_stmt_addition): Adjust.
10369 2009-09-09  Richard Guenther  <rguenther@suse.de>
10371         * tree.c (free_lang_data_in_type): Do not free the type variant
10372         chains.
10373         (free_lang_data): Merge char_type_node with its properly signed
10374         variant.
10375         (pass_ipa_free): Collect after freeing language specific data.
10377 2009-09-09  Michael Matz  <matz@suse.de>
10379         PR middle-end/41268
10380         * cfgexpand.c (expand_gimple_stmt_1): Use an int for storing
10381         SUBREG_PROMOTED_UNSIGNED_P, instead of a bool.
10382         * rtl.h (struct rtx, SUBREG_PROMOTED_UNSIGNED_P): Update comments
10383         to reflect reality.
10385 2009-09-08  DJ Delorie  <dj@redhat.com>
10387         * config/mep/mep.c (conversions[]): Add "ml" pattern.
10389 2009-09-04  Jason Merrill  <jason@redhat.com>
10391         * tree.c (tree_find_value): Remove.
10392         * tree.h: Remove prototype.
10393         * varasm.c (assemble_external): Use value_member instead.
10395 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
10397         * toplev.c (process_options): Choose default debugging type when
10398         gtoggle enables debug info and type is unset.
10400 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
10402         PR debug/41276
10403         PR debug/41307
10404         * cselib.c (cselib_expand_value_rtx_1): Don't return copy of
10405         invalid subreg.
10407 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
10409         * configure: Rebuilt with modified libtool.m4.
10411 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
10413         PR debug/41229
10414         PR debug/41291
10415         PR debug/41300
10416         * tree-ssa.c (execute_update_addresses_taken): Update debug insns.
10418 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
10420         * tree-ssa-loop-ivopts.c (get_phi_with_result): Remove.
10421         (remove_statement): Likewise.
10422         (rewrite_use_nonlinear_expr): Adjust.
10423         (remove_unused_ivs): Collect SSA NAMEs to remove and call...
10424         * tree-ssa.c (release_defs_bitset): ... this.  New.
10425         * tree-flow.h (release_defs_bitset): Declare.
10427 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
10429         PR debug/41232
10430         * tree-ssa-phiopt.c (minmax_replacement): Skip debug stmts
10431         in the middle block.
10433 2009-09-08  Kai Tietz  <kai.tietz@onevision.com>
10435         * tree-ssa-reassoc.c (find_operand_rank): Cast pointer
10436         via intptr_t to long type.
10437         (insert_operand_rank): Cast long type via intptr_t to
10438         pointer type.
10439         * genattrtab.c (RTL_HASH): Use intptr_t to cast from
10440         pointer to scalar.
10441         * c-pretty-print.c (pp_c_tree_decl_identifier): Cast
10442         from pointer to unsigned via uintptr_t.
10444         * configure.ac (GCC_STDINT_TYPES): Initialize intptr_t,
10445         uintptr_t, HAVE_INTTYPES_H, HAVE_STDINT_H, HAVE_UINTPTR_T,
10446         and HAVE_INTPTR_T.
10447         * configure: Regenerated.
10448         * config.in: Regenerated
10449         * system.h (stdint.h): Add include.
10450         (inttypes.h): Likewise.
10451         * Makefile.in (aclocal): Add config/stdint.m4.
10452         * aclocal.m4: Regenerated.
10454 2009-09-08  Bernd Schmidt  <bernd.schmidt@analog.com>
10456         * config/bfin/bfin.c (np_check_regno, np_after_branch): New static
10457         variables.
10458         (note_np_check_stores): New function.
10459         (harmless_null_pointer_p): New function.
10460         (trapping_loads_p): New args NP_REG and AFTER_NP_BRANCH.  Callers
10461         changed.  Take into account whether we're in the shadow of a condjump
10462         that tested NP_REG for NULL.
10463         Lose all code that tested for SEQUENCEs.
10464         (workaround_speculation): Avoid inserting NOPs for loads that are
10465         either always executed or a NULL pointer.
10467 2009-09-08  Jan Hubicka  <jh@suse.cz>
10469         * doc/invoke.texi (early-inlining-insns): Reduce from 12 to 8.
10470         * params.def (early-inlining-insns): Likewise.
10472 2009-09-08  Jakub Jelinek  <jakub@redhat.com>
10474         PR rtl-optimization/41239
10475         * sched-int.h (struct deps): Add last_function_call_may_noreturn field.
10476         * sched-rgn.c (deps_join): Join also last_function_call_may_noreturn
10477         lists.
10478         * sched-deps.c (sched_analyze_insn): Prevent moving trapping insns
10479         across calls, as the calls might not always return normally.
10480         (call_may_noreturn_p): New function.
10481         (deps_analyze_insn): Update last_function_call_may_noreturn list.
10482         (init_deps): Initialize it.
10483         (remove_from_deps): Also remove calls from
10484         last_function_call_may_noreturn list.
10486 2009-09-07  Richard Henderson  <rth@redhat.com>
10488         * tree-ssa-sccvn.c (vn_reference_lookup_3): Don't assume there are
10489         more VR->OPERANDS than LHS operands.  Free LHS before returning.
10491 2009-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
10493         * config/bfin/bfin.md (UNSPEC_VOLATILE_STALL): New constant.
10494         (attr "addrtype"): New member "spreg".
10495         Use it if mem_spfp_address_operand is true for the address.
10496         (attr "type"): New entry "stall".
10497         (cpu_unit "load"): New.
10498         (insn_reservations "load32", "loadp", "loadi"): Add reservation of
10499         "load".
10500         (insn_reservation "loadsp"): New.
10501         (insn_reservation "load_stall1"): New.
10502         (insn_reservation "load_stall3"): New.
10503         (stall): New insn.
10504         * config/bfin/predicates.md (const1_operand, const3_operand): New.
10505         (mem_p_address_operand): Exclude stack and frame pointer based
10506         addresses.
10507         (mem_spfp_address_operand): New; match them here.
10508         * config/bfin/bfin.c (add_sched_insns_for_speculation): New function.
10509         (bfin_reorg): Call it if scheduling insns.
10510         (bfin_gen_bundles): Remove dummy insns created by
10511         add_sched_insns_for_speculation.
10513         From Jie Zhang <jie.zhang@analog.com>:
10514         * config/bfin/bfin-protos.h (enum bfin_cpu_type, bfin_cpu_type,
10515         bfin_si_revision, bfin_workarounds): Move these ...
10516         * config/bfin/bfin.h: ... here.
10518         From Mike Frysinger  <michael.frysinger@analog.com>
10519         * config/bfin/bfin-protos.h (bfin_cpu_type): Add BFIN_CPU_BF542M,
10520         BFIN_CPU_BF544M, BFIN_CPU_BF547M, BFIN_CPU_BF548M, and BFIN_CPU_BF549M.
10521         * config/bfin/bfin.c (bfin_cpus[]): Add 0.3 for bf542m, bf544m,
10522         bf547m, bf548m, and bf549m.
10523         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF542M__
10524         for BFIN_CPU_BF542M, __ADSPBF544M__ for BFIN_CPU_BF544M,
10525         __ADSPBF547M__ for BFIN_CPU_BF547M, __ADSPBF548M__ for
10526         BFIN_CPU_BF548M, and __ADSPBF549M__ for BFIN_CPU_BF549M.
10527         * config/bfin/t-bfin-elf (MULTILIB_MATCHES): Select bf532-none for
10528         bf542m-none, bf544m-none, bf547m-none, bf548m-none, and bf549m-none.
10529         * config/bfin/t-bfin-linux (MULTILIB_MATCHES): Likewise.
10530         * config/bfin/t-bfin-uclinux (MULTILIB_MATCHES): Likewise.
10531         * doc/invoke.texi (Blackfin Options): Document that -mcpu now accepts
10532         bf542m, bf544m, bf547m, bf548m, and bf549m.
10534         From Jie Zhang <jie.zhang@analog.com>:
10535         * config/bfin/predicates.md (p_register_operand): New predicate.
10536         (dp_register_operand): New predicate.
10537         * config/bfin/bfin-protos.h (WA_05000074): Define.
10538         (ENABLE_WA_05000074): Define.
10539         * config/bfin/bfin.c (bfin_cpus[]): Add WA_05000074 for all cpus.
10540         (bfin_gen_bundles): Put dsp32shiftimm instruction in slot[0].
10541         * config/bfin/bfin.md (define_attr type): Add dsp32shiftimm.
10542         (define_attr addrtype): Allow load/store register to be P register.
10543         (define_attr storereg): New.
10544         (define_cpu_unit anomaly_05000074): New.
10545         (define_insn_reservation dsp32shiftimm): New.
10546         (define_insn_reservation dsp32shiftimm_anomaly_05000074): New.
10547         (define_insn_reservation loadp): Cannot use slot2.
10548         (define_insn_reservation loadsp): Cannot use slot2.
10549         (define_insn_reservation storep): Cannot use slot2. Does not
10550         apply when working around 05000074.
10551         (define_insn_reservation storep_anomaly_05000074): New.
10552         (define_insn_reservation storei): Does not apply when working
10553         around 05000074.
10554         (define_insn_reservation storei_anomaly_05000074): New.
10555         (define_attr length): Add dsp32shiftimm case.
10556         (define_insn movsi_insn32, movsi_insv, ashlsi3_insn, ashrsi3,
10557         ror_one, rol_one, lshrsi3, lshrpdi3, ashrpdi3, movhiv2hi_low,
10558         movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
10559         ssashiftv2hi3, ssashifthi3, ssashiftsi3, lshiftv2hi3, lshifthi3):
10560         Set type as dsp32shiftimm for dsp32shiftimm alternatives.
10562 2009-09-07  Martin Jambor  <mjambor@suse.cz>
10564         PR middle-end/41282
10565         * tree-sra.c (create_artificial_child_access): Return NULL if
10566         build_ref_for_offset fails.
10567         (propagate_subacesses_accross_link): Allow build_ref_for_offset
10568         and create_artificial_child_access to fail.
10570 2009-09-06  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
10572         PR c++/41214
10573         * unwind-dw2.c (uw_init_context_1): Mark noinline.
10574         * config/ia64/unwind-ia64.c (uw_init_context_1): Likewise.
10575         * config/xtensa/unwind-dw2-xtensa.c (uw_init_context_1): Likewise.
10577 2009-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
10579         * config/bfin/bfin.c (bfin_optimize_loop): When creating a new basic
10580         block, ensure it has an exit edge.  Emit a barrier after a jump.
10582 2009-09-07  Nick Clifton  <nickc@redhat.com>
10584         * gcc.c (this_is_linker_script): New variable.  Like
10585         this_is_library_file but for the %T constructor.
10586         (end_going_arg): If this_is_linker_script is set then locate the
10587         script and insert a --script switch before it
10588         (do_spec_2): Initialise this_is_linker_script.
10589         (do_spec_1): Likewise.  Handle %T construct.
10590         (eval_spec_function): Preserve this_is_linker_script.
10591         * doc/invoke.texi: Document %T construct in spec files.
10592         * config/m32c/m32c.h (LIB_SPEC): Use it.
10594 2009-09-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10596         * rtl.h (PREFETCH_SCHEDULE_BARRIER_P): New macro.
10597         * sched-deps.c (sched_analyze_2): Make prefetches a hard barrier
10598         when volatile flag is set.
10599         * doc/rtl.texi (PREFETCH_SCHEDULE_BARRIER_P): Add documentation pieces.
10601 2009-09-06  Eric Botcazou  <ebotcazou@adacore.com>
10603         PR bootstrap/41241
10604         * combine-stack-adj.c (try_apply_stack_adjustment): Handle stores.
10605         (combine_stack_adjustments_for_block): Allow insns between stack
10606         adjustments and stores with corresponding pre-(dec|inc)rement or
10607         pre-modify operation.
10609 2009-09-06  Jakub Jelinek  <jakub@redhat.com>
10611         PR bootstrap/41241
10612         * combine-stack-adj.c (struct csa_memlist): Rename to...
10613         (struct csa_reflist): ... this.  Rename mem field to ref.
10614         (free_csa_memlist): Rename to...
10615         (free_csa_reflist): ... this.
10616         (record_one_stack_memref): Rename to...
10617         (record_one_stack_ref): ... this.  Handle also REG_P.
10618         (try_apply_stack_adjustment): Handle also REG_P.
10619         (struct record_stack_memrefs_data): Rename to...
10620         (struct record_stack_refs_data): ... this.  Rename memlist field to
10621         reflist.
10622         (record_stack_memrefs): Rename to...
10623         (record_stack_refs): ... this.  For DEBUG_INSNs keep traversing
10624         subexpressions instead of failing when a MEM contains SP references.
10625         For SP itself in DEBUG_INSNs queue it also onto reflist chain.
10626         (combine_stack_adjustments_for_block): Adjust for mem to ref renaming.
10628 2009-09-06  Richard Guenther  <rguenther@suse.de>
10630         PR middle-end/41144
10631         * tree.c (build_array_type): Do not record types marked
10632         with structural equality in the canonical type hashtable.
10634 2009-09-06  Richard Guenther  <rguenther@suse.de>
10636         PR middle-end/41261
10637         * tree-ssa-alias.c (refs_may_alias_p_1): Bail out for function decls.
10639 2009-09-05  Richard Guenther  <rguenther@suse.de>
10641         PR middle-end/41181
10642         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use the correct type.
10644 2009-09-05  Richard Guenther  <rguenther@suse.de>
10646         PR debug/41273
10647         * tree-ssa-operands.c (get_tmr_operands): Pass through opf_no_vops.
10649 2009-09-05  Richard Guenther  <rguenther@suse.de>
10651         PR middle-end/41271
10652         * tree-ssa.c (useless_type_conversion_p): Drop qualifiers
10653         before comparing function argument types.
10655 2009-09-05  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
10657         PR target/41024
10658         * config/i386/mingw-w64.h (ASM_SPEC): Pass -v instead of -V to
10659         the assembler.
10661 2009-09-04  Uros Bizjak  <ubizjak@gmail.com>
10663         Revert:
10664         2009-08-18  Uros Bizjak  <ubizjak@gmail.com>
10666         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
10667         locators before emit_insn is called.
10669 2009-09-04  Vladimir Makarov  <vmakarov@redhat.com>
10671         PR bootstrap/41241
10672         * ira.c (update_equiv_reg): Revert my previous patch for the PR.
10673         * reginfo.c (resize_reg_info): Call allocate_reg_info if necessary.
10674         (reginfo_init): Don't call allocate_reg_info.
10676 2009-09-04  Uros Bizjak  <ubizjak@gmail.com>
10678         PR target/41262
10679         * config/alpha/alpha.c (alpha_does_function_need_gp): Use
10680         NONDEBUG_INSN_P instead of INSN_P.
10682 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
10684         PR debug/41225
10685         * tree-vect-stmts.c (vect_stmt_relevant_p): Skip debug uses.
10687 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
10689         PR target/41252
10690         * config/arm/vfp.md (*cmpdf_split_vfp): Fix src mode in the second
10691         pattern of the split.
10693 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
10695         * toplev.c (process_options): Move setter of flag_var_tracking
10696         before other tests that depend on it.  Move down setter of
10697         flag_rename_registers.  Don't enable var-tracking-assignments
10698         by default if selective scheduling is enabled.  Warn if both
10699         are enabled.
10701 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
10703         * var-tracking.c (dv_is_decl_p): Adjust NULL behavior to match
10704         comment.  Use switch statement to catch overlaps between rtx
10705         and tree codes.  Accept FUNCTION_DECLs in addition to those in...
10706         (IS_DECL_CODE): ... here. Remove.
10707         (check_value_is_not_decl): Remove.
10708         (dv_from_decl, dv_from_value): Check after conversion.
10710 2009-09-04  Richard Guenther  <rguenther@suse.de>
10712         PR middle-end/41257
10713         * (cgraph_finalize_compilation_unit): Move finalizing aliases
10714         after emitting tunks.  Move emitting thunks and ctors from ...
10715         (cgraph_optimize): ... here.  Remove redundant
10716         cgraph_analyze_functions.
10717         * varasm.c (find_decl_and_mark_needed): Remove no longer
10718         necessary check.
10719         (finish_aliases_1): Adjust check for thunk aliases.
10721 2009-09-04  Daniel Gutson  <dgutson@codesourcery.com>
10723         * config/arm/arm.md (ctzsi2): Added braces
10724         to avoid warning that broke booststrap.
10726 2009-09-04  Martin Jambor  <mjambor@suse.cz>
10728         PR tree-optimization/41112
10729         * tree-sra.c (build_ref_for_offset_1): Signal that we cannot
10730         handle variable-bounded arrays.
10731         (expr_with_var_bounded_array_refs_p): New function.
10732         (analyze_access_subtree): Call expr_with_var_bounded_array_refs_p.
10734 2009-09-04  Wolfgang Gellerich  <gellerich@de.ibm.com>
10736         * config/s390/2097.md: Removed two incorrect bypasses.
10737         (z10_fsimpdf): Fixed latency.
10738         (z10_fhex): New insn_reservation.
10739         (z10_floaddf): Fixed latency.
10740         (z10_floadsf): Fixed latency.
10741         (z10_ftrunctf): Fixed latency.
10742         (z10_ftruncdf): Fixed latency.
10743         * config/s390/s390.c (z10_cost): Fixed values.
10744         (s390_adjust_priority): Added z10 path.
10745         * config/s390/s390.md (type): Added fhex.
10746         (*mov<mode>_64dfp): Updated type attribute.
10747         (*mov<mode>_64): Updated type attribute.
10748         (*mov<mode>_31): Updated type attribute.
10749         (*mov<mode>"): Likewise.
10750         * config/s390/2084.md (x_fsimpdf): Updated condition.
10752 2009-09-04  Andreas Krebbel  <krebbel1@de.ibm.com>
10754         * config/s390/s390.md ("*fmadd<mode>", "*fmsub<mode>"): Enable mem
10755         RTXs in the predicate for operand 1.
10757 2009-09-03  Daniel Gutson  <dgutson@codesourcery.com>
10759         * config/arm/arm.md (UNSPEC_RBIT): New constant.
10760         (rbitsi2): New insn.
10761         (ctzsi2): New expand.
10762         * config/arm/arm.h (CTZ_DEFINED_VALUE_AT_ZERO): New macro.
10764 2009-09-03  Martin Jambor  <mjambor@suse.cz>
10766         * tree-sra.c (duplicate_expr_for_different_base): Removed.
10767         (create_artificial_child_access): Use build_ref_for_offset instead
10768         of duplicate_expr_for_different_base.
10769         (propagate_subacesses_accross_link): Likewise.
10771 2009-09-03  Richard Sandiford  <rdsandiford@googlemail.com>
10773         * config/mips/mips.c (USEFUL_INSN_P): Use NONDEBUG_INSN_P instead
10774         of INSN_P.
10775         (mips16e_collect_argument_saves): Skip debug instructions.
10776         (mips_74k_agen_init): Use CALL_P || JUMP_P instead of !NONJUMP_INSN_P.
10777         (mips16_lay_out_constants): Use USEFUL_INSN_P instead of INSN_P.
10778         (r10k_insert_cache_barriers): Likewise.
10779         (mips_reorg_process_insns): Likewise.
10781 2009-09-03  Vladimir Makarov  <vmakarov@redhat.com>
10783         PR bootstrap/41241
10784         * ira.c (update_equiv_reg): Remove check on class likely spill.
10786 2009-09-03  Jakub Jelinek  <jakub@redhat.com>
10788         PR debug/41236
10789         * dwarf2out.c (loc_descriptor): Don't use SUBREG_REG macro on
10790         SIGN_EXTEND or ZERO_EXTEND.  Don't assume there is a REG inside of
10791         it or SUBREG.
10793         PR debug/41238
10794         * function.c (assign_parm_find_stack_rtl): Don't set mem attributes on
10795         the stack slot if it is passed by invisible reference.
10796         * var-tracking.c (vt_add_function_parameters): Handle arguments passed
10797         by invisible reference.
10799 2009-09-03  Bernd Schmidt  <bernd.schmidt@analog.com>
10801         * config/bfin/linux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1.
10802         * config/bfin/uclinux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1.
10803         * config/bfin/bfin.h (TARGET_SUPPORTS_SYNC_CALLS): Provide default of
10804         0.
10805         * config/bfin/sync.md: New file.
10806         * config/bfin/bfin.md: Include it.
10807         (UNSPEC_ATOMIC): New.
10808         (UNSPEC_ONES): Provide a unique number.
10810         From Jie Zhang <jie.zhang@analog.com>:
10811         * config/bfin/bfin.c (ret_regs): New.
10812         (must_save_fp_p): Don't return true because of frame_pointer_needed.
10813         (must_save_rets_p): New.
10814         (n_regs_saved_by_prologue): Use must_save_rets_p instead of
10815         current_function_is_leaf.
10816         (do_link): Likewise.
10817         (do_unlink): Likewise.
10818         (expand_interrupt_handler_prologue): Use ret_regs array.
10819         (expand_interrupt_handler_epilogue): Use ret_regs array and
10820         pass return register to gen_return_internal.
10821         (bfin_expand_epilogue): Pass return register to
10822         gen_return_internal.
10823         (bfin_expand_call): Explicitly clobber RETS.
10824         * config/bfin/bfin.h (FUNCTION_RETURN_REGISTERS): Define.
10825         * config/bfin/bfin.md (call_symbol_fdpic, call_value_symbol_fdpic,
10826         call_insn_fdpic, call_value_insn_fdpic, call_symbol,
10827         call_value_symbol, call_insn, call_value_insn): Explicitly clobber
10828         RETS.
10829         (return_internal): Take a reg rtx rather than the register number.
10831 2009-09-03  H.J. Lu  <hongjiu.lu@intel.com>
10833         * tree-parloops.c (parallelize_loops): Cast to HOST_WIDE_INT
10834         when comparing against estimated_loop_iterations_int return.
10836 2009-09-03  Richard Guenther  <rguenther@suse.de>
10838         * dwarf2out.c (dwarf2out_do_cfi_asm): Remove check of
10839         eh_personality_libfunc.
10841 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
10843         * tree-parloops.c (separate_decls_in_region): Add space.
10845 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
10847         * tree-parloops.c (separate_decls_in_region): Change the condition
10848         checking if there are reductions in the loop.
10850 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
10852         PR tree-optimization/38275
10853         * tree-parloops.c (parallelize_loops): Replace profitability condition
10854         for expected number of iterations.
10856 2009-09-03  Alexandre Oliva  <aoliva@redhat.com>
10858         * doc/invoke.texi (BUILD_CONFIG): Document --with-build-config.
10859         (bootstrap-debug): Explain conditions in which it becomes default.
10860         (bootstrap-debug-big): Rather than duplicate bootstrap-debug,
10861         make it add to it.
10863 2009-09-03  Namhyung Kim  <namhyung@gmail.com>
10865         * doc/invoke.texi (Optimize Options): Move
10866         -finline-small-functions to the -O2 list.
10868 2009-09-03  Alexandre Oliva  <aoliva@redhat.com>
10870         * toplev.c (process_options): Enable var-tracking-assignments
10871         by default if var-tracking is enabled.
10873 2009-09-02  David Daney  <ddaney@caviumnetworks.com>
10875         * cfgbuild.c (find_bb_boundaries): Split blocks containing a
10876         barrier.
10877         * emit-rtl.c (prev_nonnote_insn_bb): New function.
10878         * rtl.h (prev_nonnote_insn_bb): Declare it.
10880 2009-09-03  Diego Novillo  <dnovillo@google.com>
10882         * cgraph.c (cgraph_node_for_decl): New.
10883         * cgraph.h (cgraph_node_for_decl): Declare.
10884         * tree.c (host_integerp): Return 0 if T is NULL.
10886 2009-09-03  Diego Novillo  <dnovillo@google.com>
10888         * tree.h (struct alias_pair): Move from varasm.c.
10889         (alias_pairs): Likewise.
10890         (TYPE_MAXVAL): Define.
10891         (TYPE_MINVAL): Define.
10892         (iterative_hash_host_wide_int): Declare.
10893         (remove_unreachable_alias_pairs): Declare.
10894         * tree-pass.h (pass_ipa_free_lang_data): Declare.
10895         * diagnostic.c (default_diagnostic_starter): Make extern.
10896         (default_diagnostic_finalizer): Make extern.
10897         * diagnostic.h (default_diagnostic_starter): Declare.
10898         (default_diagnostic_finalizer): Declare.
10899         (default_tree_printer): Declare.
10900         * toplev.c (default_tree_printer): Make extern.
10902 2009-09-03  Richard Guenther  <rguenther@suse.de>
10903             Diego Novillo  <dnovillo@google.com>
10905         * cgraph.c (cgraph_add_new_function): Remove gimplification.
10906         * cgraphunit.c (cgraph_expand_function): Do not emit
10907         associated thunks from here.
10908         (cgraph_emit_thunks): New.
10909         (cgraph_optimize): Call it.
10910         Return if any IPA pass finds an error.
10911         * varasm.c (finish_aliases_1): Ignore errorneous aliases used
10912         by thunks.
10914 2009-09-03  Simon Baldwin  <simonb@google.com>
10915             Rafael Espindola  <espindola@google.com>
10916             Richard Guenther  <rguenther@suse.de>
10917             Doug Kwan  <dougkwan@google.com>
10918             Diego Novillo  <dnovillo@google.com>
10920         * tree.c: Include tree-pass.h, langhooks-def.h,
10921         diagnostic.h, cgraph.h, timevar.h, except.h and debug.h.
10922         (free_lang_data_in_type): New.
10923         (need_assembler_name_p): New.
10924         (free_lang_data_in_block): New.
10925         (free_lang_data_in_decl): New.
10926         (struct free_lang_data_d): New.
10927         (add_tree_to_fld_list): New.
10928         (find_decls_types_r): New.
10929         (get_eh_types_for_runtime): New.
10930         (find_decls_types_in_eh_region): New.
10931         (find_decls_types_in_node): New.
10932         (find_decls_types_in_var): New.
10933         (free_lang_data_in_cgraph): New.
10934         (free_lang_data): New.
10935         (gate_free_lang_data): New.
10936         (pass_ipa_free_lang_data): New.
10938 2009-09-03  Diego Novillo  <dnovillo@google.com>
10940         * timevar.def (TV_IPA_FREE_LANG_DATA): Define.
10941         * langhooks.h (struct lang_hooks): Add field free_lang_data.
10942         (lang_hooks): Remove const qualifier.
10943         * ipa.c (cgraph_remove_unreachable_nodes): Call
10944         remove_unreachable_alias_pairs.
10945         * except.c (add_type_for_runtime): Check if TYPE has
10946         already been converted.
10947         (lookup_type_for_runtime): Likewise.
10948         (check_handled): Handle converted types.
10949         * varasm.c (remove_unreachable_alias_pairs): New.
10950         * gimple.c: Include demangle.h.
10951         (gimple_decl_printable_name): New.
10952         (gimple_fold_obj_type_ref): New.
10953         * gimple.h (gimple_decl_printable_name): Declare.
10954         (gimple_fold_obj_type_ref): Declare.
10955         * passes.c (init_optimization_passes): Add pass
10956         pass_ipa_free_lang_data.
10957         * langhooks-def.h (LANG_HOOKS_FREE_LANG_DATA): Define.
10958         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_FREE_LANG_DATA.
10960 2009-09-03  Diego Novillo  <dnovillo@google.com>
10962         * c-lang.c (lang_hooks): Remove const qualifier.
10964 2009-09-02  Loren James Rittle  <ljrittle@acm.org>
10966         * doc/install.texi (*-*-freebsd*): Update target information.
10968 2009-09-02  Anatoly Sokolov  <aesok@post.ru>
10970         * hard-reg-set.h (call_fixed_regs): Remove.
10971         * reginfo.c (call_fixed_regs): Remove.
10972         (init_reg_sets_1): Remove initialization of call_fixed_regs.
10973         (globalize_reg): Don't use call_fixed_regs.
10974         * caller-save.c (init_caller_save): Use call_fixed_reg_set instead of
10975         call_fixed_regs.
10977 2009-09-01  Michael Matz  <matz@suse.de>
10979         * expr.h (emit_storent_insn, expand_expr_real_1,
10980         expand_expr_real_2): Declare.
10981         * expr.c (emit_storent_insn, expand_expr_real_1,
10982         expand_expr_real_2): Export.
10983         (store_expr): Setting and evaluating dont_return_target is useless.
10984         (expand_expr_real_1, <case GOTO_EXPR, RETURN_EXPR, SWITCH_EXPR,
10985         LABEL_EXPR and ASM_EXPR>): Move to gcc_unreachable.
10986         * except.c (expand_resx_expr): Rename to ...
10987         (expand_resx_stmt): ... this.  Rewrite to take gimple statement.
10988         * except.h (expand_resx_stmt): Declare.
10989         * stmt.c: Add include gimple.h
10990         (expand_asm_expr): Rename to ...
10991         (expand_asm_stmt): ... this. Rewrite to take gimple statement.
10992         (expand_case): Rewrite to take gimple statement.
10993         * tree.h (expand_asm_stmt): Declare.
10994         (expand_case): Change prototype.
10995         * Makefile.in (stmt.o): Depend on gimple.h.
10996         * builtins.c (expand_builtin_synchronize): Build gimple asm
10997         statement, not an ASM_EXPR.
10998         * cfgexpand.c (gimple_cond_pred_to_tree, set_expr_location_r,
10999         gimple_to_tree, release_stmt_tree): Remove.
11000         (expand_gimple_cond): Don't call gimple_cond_pred_to_tree or
11001         ggc_free, but hold comparison code and operands separately.
11002         Call jumpif_1 and jumpifnot_1 instead of jumpif and jumpifnot.
11003         (expand_call_stmt, expand_gimple_stmt_1,
11004         expand_gimple_stmt): New helpers.
11005         (expand_gimple_tailcall): Don't call gimple_to_tree, expand_expr_stmt,
11006         release_stmt_tree.  Call expand_gimple_stmt instead.
11007         (expand_gimple_basic_block): Ditto.
11009         * calls.c (emit_call_1): Don't look at EH regions here, make
11010         fntree parameter useless.
11011         (expand_call): New local rettype for TREE_TYPE(exp), use it
11012         throughout.  Remove local p, use addr instead.
11013         Don't look at EH regions here.
11015 2009-09-02  Vladimir Makarov  <vmakarov@redhat.com>
11017         * doc/invoke.texi (-fsched-pressure): Document it.
11018         (-fsched-reg-pressure-heuristic): Remove it.
11020         * reload.c (ira.h): Include.
11021         (find_reloads): Add choosing reload on number of small spilled
11022         classes.
11024         * haifa-sched.c (ira.h): Include.
11025         (sched_pressure_p, sched_regno_cover_class, curr_reg_pressure,
11026         saved_reg_pressure, curr_reg_live, saved_reg_live,
11027         region_ref_regs): New variables.
11028         (sched_init_region_reg_pressure_info, mark_regno_birth_or_death,
11029         initiate_reg_pressure_info, setup_ref_regs,
11030         initiate_bb_reg_pressure_info, save_reg_pressure,
11031         restore_reg_pressure, dying_use_p, print_curr_reg_pressure): New
11032         functions.
11033         (setup_insn_reg_pressure_info): New function.
11034         (rank_for_schedule): Add pressure checking and insn issue time.
11035         Remove comparison of insn reg weights.
11036         (ready_sort): Set insn reg pressure info.
11037         (update_register_pressure, setup_insn_max_reg_pressure,
11038         update_reg_and_insn_max_reg_pressure,
11039         sched_setup_bb_reg_pressure_info): New functions.
11040         (schedule_insn): Add code for printing and updating reg pressure info.
11041         (find_set_reg_weight, find_insn_reg_weight): Remove.
11042         (ok_for_early_queue_removal): Do nothing if pressure_only_p.
11043         (debug_ready_list): Print reg pressure info.
11044         (schedule_block): Ditto.  Check insn issue time.
11045         (sched_init): Set up sched_pressure_p.  Allocate and set up some
11046         reg pressure related info.
11047         (sched_finish): Free some reg pressure related info.
11048         (fix_tick_ready): Make insn always ready if pressure_p.
11049         (init_h_i_d): Don't call find_insn_reg_weight.
11050         (haifa_finish_h_i_d): Free insn reg pressure info.
11052         * ira-int.h (ira_hard_regno_cover_class, ira_reg_class_nregs,
11053         ira_memory_move_cost, ira_class_hard_regs,
11054         ira_class_hard_regs_num, ira_no_alloc_regs,
11055         ira_available_class_regs, ira_reg_class_cover_size,
11056         ira_reg_class_cover, ira_class_translate): Move to ira.h.
11058         * ira-lives.c (single_reg_class): Check mode to find how many
11059         registers are necessary for operand.
11060         (ira_implicitly_set_insn_hard_regs): New.
11062         * common.opt (fsched-pressure): New options.
11063         (fsched-reg-pressure-heuristic): Remove.
11065         * ira.c (setup_eliminable_regset): Rename to
11066         ira_setup_eliminable_regset.  Make it external.
11067         (expand_reg_info): Pass cover class to setup_reg_classes.
11068         (ira): Call resize_reg_info instead of allocate_reg_info.
11070         * sched-deps.c: Include ira.h.
11071         (implicit_reg_pending_clobbers, implicit_reg_pending_uses): New.
11072         (create_insn_reg_use, create_insn_reg_set, setup_insn_reg_uses,
11073         reg_pressure_info, insn_use_p, mark_insn_pseudo_birth,
11074         mark_insn_hard_regno_birth, mark_insn_reg_birth,
11075         mark_pseudo_death, mark_hard_regno_death, mark_reg_death,
11076         mark_insn_reg_store, mark_insn_reg_clobber,
11077         setup_insn_reg_pressure_info): New.
11078         (sched_analyze_1): Update implicit_reg_pending_uses.
11079         (sched_analyze_insn): Find implicit sets, uses, clobbers of regs.
11080         Use them to create dependencies.  Set insn reg uses and pressure
11081         info.  Process reg_pending_uses in one place.
11082         (free_deps): Free implicit sets.
11083         (remove_from_deps): Remove implicit sets if necessary.  Check
11084         implicit sets when clearing reg_last_in_use.
11085         (init_deps_global): Clear implicit_reg_pending_clobbers and
11086         implicit_reg_pending_uses.
11088         * ira.h (ira_hard_regno_cover_class, ira_reg_class_nregs,
11089         ira_memory_move_cost, ira_class_hard_regs,
11090         ira_class_hard_regs_num, ira_no_alloc_regs,
11091         ira_available_class_regs, ira_reg_class_cover_size,
11092         ira_reg_class_cover, ira_class_translate): Move from ira-int.h.
11093         (ira_setup_eliminable_regset, ira_set_pseudo_classes,
11094         ira_implicitly_set_insn_hard_regs): New prototypes.
11096         * ira-costs.c (pseudo_classes_defined_p, allocno_p,
11097         cost_elements_num): New variables.
11098         (allocno_costs, total_costs): Rename to costs and
11099         total_allocno_costs.
11100         (COSTS_OF_ALLOCNO): Rename to COSTS.
11101         (allocno_pref): Rename to pref.
11102         (allocno_pref_buffer): Rename to pref_buffer.
11103         (common_classes): Rename to regno_cover_class.
11104         (COST_INDEX): New.
11105         (record_reg_classes): Set allocno attributes only if allocno_p.
11106         (record_address_regs): Ditto.  Use COST_INDEX instead of ALLOCNO_NUM.
11107         (scan_one_insn): Use COST_INDEX and COSTS instead of ALLOCNO_NUM
11108         and COSTS_OF_ALLOCNO.
11109         (print_costs): Rename to print_allocno_costs.
11110         (print_pseudo_costs): New.
11111         (process_bb_node_for_costs): Split into 2 functions with new
11112         function process_bb_for_costs.  Pass BB to process_bb_for_costs.
11113         (find_allocno_class_costs): Rename to find_costs_and_classes.  Add
11114         new parameter dump_file.  Use cost_elements_num instead of
11115         ira_allocnos_num.  Make one iteration if preferred classes were
11116         already calculated for scheduler.  Make 2 versions of code
11117         depending on allocno_p.
11118         (setup_allocno_cover_class_and_costs): Check allocno_p.  Use
11119         regno_cover_class and COSTS instead of common_classes and
11120         COSTS_OF_ALLOCNO.
11121         (init_costs, finish_costs): New.
11122         (ira_costs): Set up allocno_p and cost_elements_num.  Call
11123         init_costs and finish_costs.
11124         (ira_set_pseudo_classes): New.
11126         * rtl.h (allocate_reg_info): Remove.
11127         (resize_reg_info): Change return type.
11128         (reg_cover_class): New.
11129         (setup_reg_classes): Add new parameter.
11131         * sched-int.h (struct deps_reg): New member implicit_sets.
11132         (sched_pressure_p, sched_regno_cover_class): New external definitions.
11133         (INCREASE_BITS): New macro.
11134         (struct reg_pressure_data, struct reg_use_data): New.
11135         (struct _haifa_insn_data): Remove reg_weight.  Add members
11136         reg_pressure, reg_use_list, reg_set_list, and
11137         reg_pressure_excess_cost_change.
11138         (struct deps): New member implicit_sets.
11139         (pressure_p): New variable.
11140         (COVER_CLASS_BITS, INCREASE_BITS): New macros.
11141         (struct reg_pressure_data, struct reg_use_data): New.
11142         (INSN_REG_WEIGHT): Remove.
11143         (INSN_REG_PRESSURE, INSN_MAX_REG_PRESSURE, INSN_REG_USE_LIST,
11144         INSN_REG_SET_LIST, INSN_REG_PRESSURE_EXCESS_COST_CHANGE): New macros.
11145         (sched_init_region_reg_pressure_info,
11146         sched_setup_bb_reg_pressure_info): New prototypes.
11148         * reginfo.c (struct reg_pref): New member coverclass.
11149         (reg_cover_class): New function.
11150         (reginfo_init, pass_reginfo_init): Move after free_reg_info.
11151         (reg_info_size): New variable.
11152         (allocate_reg_info): Make static.  Setup reg_info_size.
11153         (resize_reg_info): Use reg_info_size.  Return flag of resizing.
11154         (setup_reg_classes): Add a new parameter.  Setup cover class too.
11156         * Makefile.in (reload.o, haifa-sched.o, sched-deps.o): Add ira.h to
11157         the dependencies.
11159         * sched-rgn.c (deps_join): Set up implicit_sets.
11160         (schedule_region): Set up region and basic blocks pressure
11161         relative info.
11163         * passes.c (init_optimization_passes): Move
11164         pass_subregs_of_mode_init before pass_sched.
11166 2009-09-02  Martin Jambor  <mjambor@suse.cz>
11168         * tree-sra.c (struct access): New field grp_hint.
11169         (dump_access): Dump grp_hint.
11170         (sort_and_splice_var_accesses): Set grp_hint if a group is read
11171         multiple times.
11172         (analyze_access_subtree): Only scalarize accesses with grp_hint set or
11173         those which have been specifically read and somehow written to.
11174         (propagate_subacesses_accross_link): Set grp_hint of right child and
11175         also possibly of the left child.
11177 2009-09-02  Jakub Jelinek  <jakub@redhat.com>
11179         * tree-object-size.c (addr_object_size): Always use object_size_type
11180         0 or 2 when determining the pointer pointed object size.
11182 2009-09-02  Richard Guenther  <rguenther@suse.de>
11184         Revert
11185         2009-08-31  Richard Guenther  <rguenther@suse.de>
11187         * builtins.c (fold_builtin_memory_op): Use the alias oracle
11188         to query if the memory regions for memmove overlap.
11189         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Relax the
11190         asserts on pointers, instead deal with odd trees.
11191         (ptr_derefs_may_alias_p): Likewise.
11192         (refs_may_alias_p_1): Constructor bases also never alias.
11194 2009-08-01  Christian Bruel  <christian.bruel@st.com>
11196         Revert:
11197         2009-07-31  Christian Bruel  <christian.bruel@st.com>
11198         * gcc/config.gcc (sh*-*-elf): test with_libgloss.
11200 2009-09-01  Alexandre Oliva  <aoliva@redhat.com>
11202         * doc/invoke.texi (-fvar-tracking-assignments): New.
11203         (-fvar-tracking-assignments-toggle): New.
11204         (-fdump-final-insns=file): Mark filename as optional.
11205         (--param min-nondebug-insn-uid): New.
11206         (-gdwarf-@{version}): Mention version 4.
11207         * opts.c (common_handle_option): Accept it.
11208         * tree-vrp.c (find_assert_locations_1): Skip debug stmts.
11209         * regrename.c (regrename_optimize): Drop last.  Don't count debug
11210         insns as uses.  Don't reject change because of debug insn.
11211         (do_replace): Reject DEBUG_INSN as chain starter.  Take base_regno
11212         from the chain starter, and check for inexact matches in DEBUG_INSNS.
11213         (scan_rtx_reg): Accept inexact matches in DEBUG_INSNs.
11214         (build_def_use): Simplify and fix the marking of DEBUG_INSNs.
11215         * sched-ebb.c (schedule_ebbs): Skip boundary debug insns.
11216         * fwprop.c (forward_propagate_and_simplify): ...into debug insns.
11217         * doc/gimple.texi (is_gimple_debug): New.
11218         (gimple_debug_bind_p): New.
11219         (is_gimple_call, gimple_assign_cast_p): End sentence with period.
11220         * doc/install.texi (bootstrap-debug): More details.
11221         (bootstrap-debug-big, bootstrap-debug-lean): Document.
11222         (bootstrap-debug-lib): More details.
11223         (bootstrap-debug-ckovw): Update.
11224         (bootstrap-time): New.
11225         * tree-into-ssa.c (mark_def_sites): Skip debug stmts.
11226         (insert_phi_nodes_for): Insert debug stmts.
11227         (rewrite_stmt): Take iterator.  Insert debug stmts.
11228         (rewrite_enter_block): Adjust.
11229         (maybe_replace_use_in_debug_stmt): New.
11230         (rewrite_update_stmt): Use it.
11231         (mark_use_interesting): Return early for debug stmts.
11232         * tree-ssa-loop-im.c (rewrite_bittest): Propagate DEFs into debug
11233         stmts before replacing stmt.
11234         (move_computations_stmt): Likewise.
11235         * ira-conflicts.c (add_copies): Skip debug insns.
11236         * regstat.c (regstat_init_n_sets_and_refs): Discount debug insns.
11237         (regstat_bb_compute_ri): Skip debug insns.
11238         * tree-ssa-threadupdate.c (redirection_block_p): Skip debug stmts.
11239         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
11240         check_loop_closed_ssa_stmt): Skip debug stmts.
11241         * tree-tailcall.c (find_tail_calls): Likewise.
11242         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
11243         * tree.h (MAY_HAVE_DEBUG_STMTS): New.
11244         (build_var_debug_value_stat): Declare.
11245         (build_var_debug_value): Define.
11246         (target_for_debug_bind): Declare.
11247         * reload.c (find_equiv_reg): Skip debug insns.
11248         * rtlanal.c (reg_used_between_p): Skip debug insns.
11249         (side_effects_p): Likewise.
11250         (canonicalize_condition): Likewise.
11251         * ddg.c (create_ddg_dep_from_intra_loop_link): Check that non-debug
11252         insns never depend on debug insns.
11253         (create_ddg_dep_no_link): Likewise.
11254         (add_cross_iteration_register_deps): Use ANTI_DEP for debug insns.
11255         Don't add inter-loop dependencies for debug insns.
11256         (build_intra_loop_deps): Likewise.
11257         (create_ddg): Count debug insns.
11258         * ddg.h (struct ddg::num_debug): New.
11259         (num_backargs): Pair up with previous int field.
11260         * diagnostic.c (diagnostic_report_diagnostic): Skip notes on
11261         -fcompare-debug-second.
11262         * final.c (get_attr_length_1): Skip debug insns.
11263         (rest_of_clean-state): Don't dump CFA_RESTORE_STATE.
11264         * gcc.c (invoke_as): Call compare-debug-dump-opt.
11265         (driver_self_specs): Map -fdump-final-insns to
11266         -fdump-final-insns=..
11267         (get_local_tick): New.
11268         (compare_debug_dump_opt_spec_function): Test for . argument and
11269         compute output name.  Compute temp output spec without flag name.
11270         Compute -frandom-seed.
11271         (OPT): Undef after use.
11272         * cfgloopanal.c (num_loop_insns): Skip debug insns.
11273         (average_num_loop_insns): Likewise.
11274         * params.h (MIN_NONDEBUG_INSN_UID): New.
11275         * gimple.def (GIMPLE_DEBUG): New.
11276         * ipa-reference.c (scan_stmt_for_static_refs): Skip debug stmts.
11277         * auto-inc-dec.c (merge_in_block): Skip debug insns.
11278         (merge_in_block): Fix whitespace.
11279         * toplev.c (flag_var_tracking): Update comment.
11280         (flag_var_tracking_assignments): New.
11281         (flag_var_tracking_assignments_toggle): New.
11282         (process_options): Don't open final insns dump file if we're not
11283         going to write to it.  Compute defaults for var_tracking.
11284         * df-scan.c (df_insn_rescan_debug_internal): New.
11285         (df_uses_record): Handle debug insns.
11286         * haifa-sched.c (ready): Initialize n_debug.
11287         (contributes_to_priority): Skip debug insns.
11288         (dep_list_size): New.
11289         (priority): Use it.
11290         (rank_for_schedule): Likewise.  Schedule debug insns as soon as
11291         they're ready.  Disregard previous debug insns to make decisions.
11292         (queue_insn): Never queue debug insns.
11293         (ready_add, ready_remove_first, ready_remove): Count debug insns.
11294         (schedule_insn): Don't reject debug insns because of issue rate.
11295         (get_ebb_head_tail, no_real_insns_p): Skip boundary debug insns.
11296         (queue_to_ready): Skip and discount debug insns.
11297         (choose_ready): Let debug insns through.
11298         (schedule_block): Check boundary debug insns.  Discount debug
11299         insns, schedule them early.  Adjust whitespace.
11300         (set_priorities): Check for boundary debug insns.
11301         (add_jump_dependencies): Use dep_list_size.
11302         (prev_non_location_insn): New.
11303         (check_cfg): Use it.
11304         * tree-ssa-loop-ivopts.c (find-interesting_users): Skip debug
11305         stmts.
11306         (remove_unused_ivs): Reset debug stmts.
11307         * modulo-sched.c (const_iteration_count): Skip debug insns.
11308         (res_MII): Discount debug insns.
11309         (loop_single_full_bb_p): Skip debug insns.
11310         (sms_schedule): Likewise.
11311         (sms_schedule_by_order): Likewise.
11312         (ps_has_conflicts): Likewise.
11313         * caller-save.c (refmarker_fn): New.
11314         (save_call_clobbered_regs): Replace regs with saved mem in
11315         debug insns.
11316         (mark_referenced_regs): Take pointer, mark and arg.  Adjust.
11317         Call refmarker_fn mark for hardregnos.
11318         (mark_reg_as_referenced): New.
11319         (replace_reg_with_saved_mem): New.
11320         * ipa-pure-const.c (check_stmt): Skip debug stmts.
11321         * cse.c (cse_insn): Canonicalize debug insns.  Skip them when
11322         searching back.
11323         (cse_extended_basic_block): Skip debug insns.
11324         (count_reg_usage): Likewise.
11325         (is_dead_reg): New, split out of...
11326         (set_live_p): ... here.
11327         (insn_live_p): Use it for debug insns.
11328         * tree-stdarg.c (check_all_va_list_escapes): Skip debug stmts.
11329         (execute_optimize_stdarg): Likewise.
11330         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
11331         * tree-ssa-propagate.c (substitute_and_fold): Don't regard
11332         changes in debug stmts as changes.
11333         * sel-sched.c (moving_insn_creates_bookkeeping_block_p): New.
11334         (moveup_expr): Don't move across debug insns.  Don't move
11335         debug insn if it would create a bookkeeping block.
11336         (moveup_expr_cached): Don't use cache for debug insns that
11337         are heads of blocks.
11338         (compute_av_set_inside_bb): Skip debug insns.
11339         (sel_rank_for_schedule): Schedule debug insns first.  Remove
11340         dead code.
11341         (block_valid_for_bookkeeping_p); Support lax searches.
11342         (create_block_for_bookkeeping): Adjust block numbers when
11343         encountering debug-only blocks.
11344         (find_place_for_bookkeeping): Deal with debug-only blocks.
11345         (generate_bookkeeping_insn): Accept no place to insert.
11346         (remove_temp_moveop_nops): New argument full_tidying.
11347         (prepare_place_to_insert): Deal with debug insns.
11348         (advance_state_on_fence): Debug insns don't start cycles.
11349         (update_boundaries): Take fence as argument.  Deal with
11350         debug insns.
11351         (schedule_expr_on_boundary): No full_tidying on debug insns.
11352         (fill_insns): Deal with debug insns.
11353         (track_scheduled_insns_and_blocks): Don't count debug insns.
11354         (need_nop_to_preserve_insn_bb): New, split out of...
11355         (remove_insn_from_stream): ... this.
11356         (fur_orig_expr_not_found): Skip debug insns.
11357         * rtl.def (VALUE): Move up.
11358         (DEBUG_INSN): New.
11359         * tree-ssa-sink.c (all_immediate_uses_same_place): Skip debug stmts.
11360         (nearest_common_dominator_of_uses): Take debug_stmts argument.
11361         Set it if debug stmts are found.
11362         (statement_sink_location): Skip debug stmts.  Propagate
11363         moving defs into debug stmts.
11364         * ifcvt.c (first_active_insn): Skip debug insns.
11365         (last_active_insns): Likewise.
11366         (cond_exec_process_insns): Likewise.
11367         (noce_process_if_block): Likewise.
11368         (check_cond_move_block): Likewise.
11369         (cond_move_convert_if_block): Likewise.
11370         (block_jumps_and_fallthru_p): Likewise.
11371         (dead_or_predicable): Likewise.
11372         * dwarf2out.c (debug_str_hash_forced): New.
11373         (find_AT_string): Add comment.
11374         (gen_label_for_indirect_string): New.
11375         (get_debug_string_label): New.
11376         (AT_string_form): Use it.
11377         (mem_loc_descriptor): Handle non-TLS symbols.  Handle MINUS , DIV,
11378         MOD, AND, IOR, XOR, NOT, ABS, NEG, and CONST_STRING.  Accept but
11379         discard COMPARE, IF_THEN_ELSE, ROTATE, ROTATERT, TRUNCATE and
11380         several operations that cannot be represented with DWARF opcodes.
11381         (loc_descriptor): Ignore SIGN_EXTEND and ZERO_EXTEND.  Require
11382         dwarf_version 4 for DW_OP_implicit_value and DW_OP_stack_value.
11383         (dwarf2out_var_location): Take during-call mark into account.
11384         (output_indirect_string): Update comment.  Output if there are
11385         label and references.
11386         (prune_indirect_string): New.
11387         (prune_unused_types): Call it if debug_str_hash_forced.
11388         More in dwarf2out.c, from Jakub Jelinek <jakub@redhat.com>:
11389         (dw_long_long_const): Remove.
11390         (struct dw_val_struct): Change val_long_long type to rtx.
11391         (print_die, attr_checksum, same_dw_val_p, loc_descriptor): Adjust for
11392         val_long_long change to CONST_DOUBLE rtx from a long hi/lo pair.
11393         (output_die): Likewise.  Use HOST_BITS_PER_WIDE_INT size of each
11394         component instead of HOST_BITS_PER_LONG.
11395         (output_loc_operands): Likewise.  For const8* assert
11396         HOST_BITS_PER_WIDE_INT rather than HOST_BITS_PER_LONG is >= 64.
11397         (output_loc_operands_raw): For const8* assert HOST_BITS_PER_WIDE_INT
11398         rather than HOST_BITS_PER_LONG is >= 64.
11399         (add_AT_long_long): Remove val_hi and val_lo arguments, add
11400         val_const_double.
11401         (size_of_die): Use HOST_BITS_PER_WIDE_INT size multiplier instead of
11402         HOST_BITS_PER_LONG for dw_val_class_long_long.
11403         (add_const_value_attribute): Adjust add_AT_long_long caller.  Don't
11404         handle TLS SYMBOL_REFs.  If CONST wraps a constant, tail recurse.
11405         (dwarf_stack_op_name): Handle DW_OP_implicit_value and
11406         DW_OP_stack_value.
11407         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
11408         Handle DW_OP_implicit_value.
11409         (extract_int): Move prototype earlier.
11410         (mem_loc_descriptor): For SUBREG punt if inner
11411         mode size is wider than DWARF2_ADDR_SIZE.  Handle SIGN_EXTEND
11412         and ZERO_EXTEND by DW_OP_shl and DW_OP_shr{a,}.  Handle
11413         EQ, NE, GT, GE, LT, LE, GTU, GEU, LTU, LEU, SMIN, SMAX, UMIN,
11414         UMAX, SIGN_EXTRACT, ZERO_EXTRACT.
11415         (loc_descriptor): Compare mode size with DWARF2_ADDR_SIZE
11416         instead of Pmode size.
11417         (loc_descriptor): Add MODE argument.  Handle CONST_INT, CONST_DOUBLE,
11418         CONST_VECTOR, CONST, LABEL_REF and SYMBOL_REF if mode != VOIDmode,
11419         attempt to handle other expressions.  Don't handle TLS SYMBOL_REFs.
11420         (concat_loc_descriptor, concatn_loc_descriptor,
11421         loc_descriptor_from_tree_1): Adjust loc_descriptor callers.
11422         (add_location_or_const_value_attribute): Likewise.  For single
11423         location loc_lists attempt to use add_const_value_attribute
11424         for constant decls.  Add DW_AT_const_value even if
11425         NOTE_VAR_LOCATION is VAR_LOCATION with CONSTANT_P or CONST_STRING
11426         in its expression.
11427         * cfgbuild.c (inside_basic_block_p): Handle debug insns.
11428         (control_flow_insn_p): Likewise.
11429         * tree-parloops.c (eliminate_local_variables_stmt): Handle debug stmt.
11430         (separate_decls_in_region_debug_bind): New.
11431         (separate_decls_in_region): Process debug bind stmts afterwards.
11432         * recog.c (verify_changes): Handle debug insns.
11433         (extract_insn): Likewise.
11434         (peephole2_optimize): Skip debug insns.
11435         * dse.c (scan_insn): Skip debug insns.
11436         * sel-sched-ir.c (return_nop_to_pool): Take full_tidying argument.
11437         Pass it on.
11438         (setup_id_for_insn): Handle debug insns.
11439         (maybe_tidy_empty_bb): Adjust whitespace.
11440         (tidy_control_flow): Skip debug insns.
11441         (sel_remove_insn): Adjust for debug insns.
11442         (sel_estimate_number_of_insns): Skip debug insns.
11443         (create_insn_rtx_from_pattern): Handle debug insns.
11444         (create_copy_of_insn_rtx): Likewise.
11445         * sel-sched-.h (sel_bb_end): Declare.
11446         (sel_bb_empty_or_nop_p): New.
11447         (get_all_loop_exits): Use it.
11448         (_eligible_successor_edge_p): Likewise.
11449         (return_nop_to_pool): Adjust.
11450         * tree-eh.c (tre_empty_eh_handler_p): Skip debug stmts.
11451         * ira-lives.c (process_bb_node_lives): Skip debug insns.
11452         * gimple-pretty-print.c (dump_gimple_debug): New.
11453         (dump_gimple_stmt): Use it.
11454         (dump_bb_header): Skip gimple debug stmts.
11455         * regmove.c (optimize_reg_copy_1): Discount debug insns.
11456         (fixup_match_2): Likewise.
11457         (regmove_backward_pass): Likewise.  Simplify combined
11458         replacement.  Handle debug insns.
11459         * function.c (instantiate_virtual_regs): Handle debug insns.
11460         * function.h (struct emit_status): Add x_cur_debug_insn_uid.
11461         * print-rtl.h: Include cselib.h.
11462         (print_rtx): Print VALUEs.  Split out and recurse for VAR_LOCATIONs.
11463         * df.h (df_inns_rescan_debug_internal): Declare.
11464         * gcse.c (alloc_hash_table): Estimate n_insns.
11465         (cprop_insn): Don't regard debug insns as changes.
11466         (bypass_conditional_jumps): Skip debug insns.
11467         (one_pre_gcse_pass): Adjust.
11468         (one_code_hoisting_pass): Likewise.
11469         (compute_ld_motion_mems): Skip debug insns.
11470         (one_cprop_pass): Adjust.
11471         * tree-if-conv.c (tree_if_convert_stmt): Reset debug stmts.
11472         (if_convertible_stmt_p): Handle debug stmts.
11473         * init-regs.c (initialize_uninitialized_regs): Skip debug insns.
11474         * tree-vect-loop.c (vect_is_simple_reduction): Skip debug stmts.
11475         * ira-build.c (create_bb_allocnos): Skip debug insns.
11476         * tree-flow-inline.h (has_zero_uses): Discount debug stmts.
11477         (has_single_use): Likewise.
11478         (single_imm_use): Likewise.
11479         (num_imm_uses): Likewise.
11480         * tree-ssa-phiopt.c (empty_block_p): Skip debug stmts.
11481         * tree-ssa-coalesce.c (build_ssa_conflict_graph): Skip debug stmts.
11482         (create_outofssa_var_map): Likewise.
11483         * lower-subreg.c (adjust_decomposed_uses): New.
11484         (resolve_debug): New.
11485         (decompose_multiword_subregs): Use it.
11486         * tree-dfa.c (find_referenced_vars): Skip debug stmts.
11487         * emit-rtl.c: Include params.h.
11488         (cur_debug_insn_uid): Define.
11489         (set_new_first_and_last_insn): Set cur_debug_insn_uid too.
11490         (copy_rtx_if_shared_1): Handle debug insns.
11491         (reset_used_flags): Likewise.
11492         (set_used_flags): LIkewise.
11493         (get_max_insn_count): New.
11494         (next_nondebug_insn): New.
11495         (prev_nondebug_insn): New.
11496         (make_debug_insn_raw): New.
11497         (emit_insn_before_noloc): Handle debug insns.
11498         (emit_jump_insn_before_noloc): Likewise.
11499         (emit_call_insn_before_noloc): Likewise.
11500         (emit_debug_insn_before_noloc): New.
11501         (emit_insn_after_noloc): Handle debug insns.
11502         (emit_jump_insn_after_noloc): Likewise.
11503         (emit_call_insn_after_noloc): Likewise.
11504         (emit_debug_insn_after_noloc): Likewise.
11505         (emit_insn_after): Take loc from earlier non-debug insn.
11506         (emit_jump_insn_after): Likewise.
11507         (emit_call_insn_after): Likewise.
11508         (emit_debug_insn_after_setloc): New.
11509         (emit_debug_insn_after): New.
11510         (emit_insn_before): Take loc from later non-debug insn.
11511         (emit_jump_insn_before): Likewise.
11512         (emit_call_insn_before): Likewise.
11513         (emit_debug_insn_before_setloc): New.
11514         (emit_debug_insn_before): New.
11515         (emit_insn): Handle debug insns.
11516         (emit_debug_insn): New.
11517         (emit_jump_insn): Handle debug insns.
11518         (emit_call_insn): Likewise.
11519         (emit): Likewise.
11520         (init_emit): Take min-nondebug-insn-uid into account.
11521         Initialize cur_debug_insn_uid.
11522         (emit_copy_of_insn_after): Handle debug insns.
11523         * cfgexpand.c (gimple_assign_rhs_to_tree): Do not overwrite
11524         location of single rhs in place.
11525         (maybe_dump_rtl_for_gimple_stmt): Dump lineno.
11526         (floor_sdiv_adjust): New.
11527         (cell_sdiv_adjust): New.
11528         (cell_udiv_adjust): New.
11529         (round_sdiv_adjust): New.
11530         (round_udiv_adjust): New.
11531         (wrap_constant): Moved from cselib.
11532         (unwrap_constant): New.
11533         (expand_debug_expr): New.
11534         (expand_debug_locations): New.
11535         (expand_gimple_basic_block): Drop hiding redeclaration.  Expand
11536         debug bind stmts.
11537         (gimple_expand_cfg): Expand debug locations.
11538         * cselib.c: Include tree-pass.h.
11539         (struct expand_value_data): New.
11540         (cselib_record_sets_hook): New.
11541         (PRESERVED_VALUE_P, LONG_TERM_PRESERVED_VALUE_P): New.
11542         (cselib_clear_table): Move, and implemnet in terms of...
11543         (cselib_reset_table_with_next_value): ... this.
11544         (cselib_get_next_unknown_value): New.
11545         (discard_useless_locs): Don't discard preserved values.
11546         (cselib_preserve_value): New.
11547         (cselib_preserved_value_p): New.
11548         (cselib_preserve_definitely): New.
11549         (cselib_clear_preserve): New.
11550         (cselib_preserve_only_values): New.
11551         (new_cselib_val): Take rtx argument.  Dump it in details.
11552         (cselib_lookup_mem): Adjust.
11553         (expand_loc): Take regs_active in struct.  Adjust.  Silence
11554         dumps unless details are requested.
11555         (cselib_expand_value_rtx_cb): New.
11556         (cselib_expand_value_rtx): Rename and reimplment in terms of...
11557         (cselib_expand_value_rtx_1): ... this.  Adjust.  Silence dumps
11558         without details.  Copy more subregs.  Try to resolve values
11559         using a callback.  Wrap constants.
11560         (cselib_subst_to_values): Adjust.
11561         (cselib_log_lookup): New.
11562         (cselib_lookup): Call it.
11563         (cselib_invalidate_regno): Don't count preserved values as useless.
11564         (cselib_invalidate_mem): Likewise.
11565         (cselib_record_set): Likewise.
11566         (struct set): Renamed to cselib_set, moved to cselib.h.
11567         (cselib_record_sets): Adjust.  Call hook.
11568         (cselib_process_insn): Reset table when it would be cleared.
11569         (dump_cselib_val): New.
11570         (dump_cselib_table): New.
11571         * tree-cfgcleanup.c (tree_forwarded_block_p): Skip debug stmts.
11572         (remove_forwarder_block): Support moving debug stmts.
11573         * cselib.h (cselib_record_sets_hook): Declare.
11574         (cselib_expand_callback): New type.
11575         (cselib_expand_value_rtx_cb): Declare.
11576         (cselib_reset_table_with_next_value): Declare.
11577         (cselib_get_next_unknown_value): Declare.
11578         (cselib_preserve_value): Declare.
11579         (cselib_preserved_value_p): Declare.
11580         (cselib_preserve_only_values): Declare.
11581         (dump_cselib_table): Declare.
11582         * cfgcleanup.c (flow_find_cross_jump): Skip debug insns.
11583         (try_crossjump_to_edge): Likewise.
11584         (delete_unreachable_blocks): Remove dominant GIMPLE blocks after
11585         dominated blocks when debug stmts are present.
11586         * simplify-rtx.c (delegitimize_mem_from_attrs): New.
11587         * tree-ssa-live.c (remove_unused_locals): Skip debug stmts.
11588         (set_var_live_on_entry): Likewise.
11589         * loop-invariant.c (find_invariants_bb): Skip debug insns.
11590         * cfglayout.c (curr_location, last_location): Make static.
11591         (set_curr_insn_source_location): Don't avoid bouncing.
11592         (get_curr_insn_source_location): New.
11593         (get_curr_insn_block): New.
11594         (duplicate_insn_chain): Handle debug insns.
11595         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Propagate
11596         into debug stmts.
11597         * common.opt (fcompare-debug): Move to sort order.
11598         (fdump-unnumbered-links): Likewise.
11599         (fvar-tracking-assignments): New.
11600         (fvar-tracking-assignments-toggle): New.
11601         * tree-ssa-dce.c (mark_stmt_necessary): Don't mark blocks
11602         because of debug stmts.
11603         (mark_stmt_if_obviously_necessary): Mark debug stmts.
11604         (eliminate_unnecessary_stmts): Walk dominated blocks before
11605         dominators.
11606         * tree-ssa-ter.c (find_replaceable_in_bb): Skip debug stmts.
11607         * ira.c (memref_used_between_p): Skip debug insns.
11608         (update_equiv_regs): Likewise.
11609         * sched-deps.c (sd_lists_size): Accept empty list.
11610         (sd_init_insn): Mark debug insns.
11611         (sd_finish_insn): Unmark them.
11612         (sd_add_dep): Reject non-debug deps on debug insns.
11613         (fixup_sched_groups): Give debug insns group treatment.
11614         Skip debug insns.
11615         (sched_analyze_reg): Don't mark debug insns for sched before call.
11616         (sched_analyze_2): Handle debug insns.
11617         (sched_analyze_insn): Compute next non-debug insn.  Handle debug
11618         insns.
11619         (deps_analyze_insn): Handle debug insns.
11620         (deps_start_bb): Skip debug insns.
11621         (init_deps): Initialize last_debug_insn.
11622         * tree-ssa.c (target_for_debug_bind): New.
11623         (find_released_ssa_name): New.
11624         (propagate_var_def_into_debug_stmts): New.
11625         (propagate_defs_into_debug_stmts): New.
11626         (verify_ssa): Skip debug bind stmts without values.
11627         (warn_uninialized_vars): Skip debug stmts.
11628         * target-def.h (TARGET_DELEGITIMIZE_ADDRESS): Set default.
11629         * rtl.c (rtx_equal_p_cb): Handle VALUEs.
11630         (rtx_equal_p): Likewise.
11631         * ira-costs.c (scan_one_insn): Skip debug insns.
11632         (process_bb_node_for_hard_reg_moves): Likewise.
11633         * rtl.h (DEBUG_INSN_P): New.
11634         (NONDEBUG_INSN_P): New.
11635         (MAY_HAVE_DEBUG_INSNS): New.
11636         (INSN_P): Accept debug insns.
11637         (RTX_FRAME_RELATED_P): Likewise.
11638         (INSN_DELETED_P): Likewise
11639         (PAT_VAR_LOCATION_DECL): New.
11640         (PAT_VAR_LOCATION_LOC): New.
11641         (PAT_VAR_OCATION_STATUS): New.
11642         (NOTE_VAR_LOCATION_DECL): Reimplement.
11643         (NOTE_VAR_LOCATION_LOC): Likewise.
11644         (NOTE_VAR_LOCATION_STATUS): Likewise.
11645         (INSN_VAR_LOCATION): New.
11646         (INSN_VAR_LOCATION_DECL): New.
11647         (INSN_VAR_LOCATION_LOC): New.
11648         (INSN_VAR_LOCATION_STATUS): New.
11649         (gen_rtx_UNKNOWN_VAR_LOC): New.
11650         (VAR_LOC_UNKNOWN_P): New.
11651         (NOTE_DURING_CALL_P): New.
11652         (SCHED_GROUP_P): Accept debug insns.
11653         (emit_debug_insn_before): Declare.
11654         (emit_debug_insn_before_noloc): Declare.
11655         (emit_debug_insn_beore_setloc): Declare.
11656         (emit_debug_insn_after): Declare.
11657         (emit_debug_insn_after_noloc): Declare.
11658         (emit_debug_insn_after_setloc): Declare.
11659         (emit_debug_insn): Declare.
11660         (make_debug_insn_raw): Declare.
11661         (prev_nondebug_insn): Declare.
11662         (next_nondebug_insn): Declare.
11663         (delegitimize_mem_from_attrs): Declare.
11664         (get_max_insn_count): Declare.
11665         (wrap_constant): Declare.
11666         (unwrap_constant): Declare.
11667         (get_curr_insn_source_location): Declare.
11668         (get_curr_insn_block): Declare.
11669         * tree-inline.c (insert_debug_decl_map): New.
11670         (processing_debug_stmt): New.
11671         (remap_decl): Don't create new mappings in debug stmts.
11672         (remap_gimple_op_r): Don't add references in debug stmts.
11673         (copy_tree_body_r): Likewise.
11674         (remap_gimple_stmt): Handle debug bind stmts.
11675         (copy_bb): Skip debug stmts.
11676         (copy_edges_for_bb): Likewise.
11677         (copy_debug_stmt): New.
11678         (copy_debug_stmts): New.
11679         (copy_body): Copy debug stmts at the end.
11680         (insert_init_debug_bind): New.
11681         (insert_init_stmt): Take id.  Skip and emit debug stmts.
11682         (setup_one_parameter): Remap variable earlier, register debug mapping.
11683         (estimate_num_insns): Skip debug stmts.
11684         (expand_call_inline): Preserve debug_map.
11685         (optimize_inline_calls): Check for no debug_stmts left-overs.
11686         (unsave_expr_now): Preserve debug_map.
11687         (copy_gimple_seq_and_replace_locals): Likewise.
11688         (tree_function_versioning): Check for no debug_stmts left-overs.
11689         Init and destroy debug_map as needed.  Split edges unconditionally.
11690         (build_duplicate_type): Init and destroy debug_map as needed.
11691         * tree-inline.h: Include gimple.h instead of pointer-set.h.
11692         (struct copy_body_data): Add debug_stmts and debug_map.
11693         * sched-int.h (struct ready_list): Add n_debug.
11694         (struct deps): Add last_debug_insn.
11695         (DEBUG_INSN_SCHED_P): New.
11696         (BOUNDARY_DEBUG_INSN_P): New.
11697         (SCHEDULE_DEBUG_INSN_P): New.
11698         (sd_iterator_cond): Accept empty list.
11699         * combine.c (create_log_links): Skip debug insns.
11700         (combine_instructions): Likewise.
11701         (cleanup_auto_inc_dec): New.  From Jakub Jelinek: Make sure the
11702         return value is always unshared.
11703         (struct rtx_subst_pair): New.
11704         (auto_adjust_pair): New.
11705         (propagate_for_debug_subst): New.
11706         (propagate_for_debug): New.
11707         (try_combine): Skip debug insns.  Propagate removed defs into
11708         debug insns.
11709         (next_nonnote_nondebug_insn): New.
11710         (distribute_notes): Use it.  Skip debug insns.
11711         (distribute_links): Skip debug insns.
11712         * tree-outof-ssa.c (set_location_for_edge): Likewise.
11713         * resource.c (mark_target_live_regs): Likewise.
11714         * var-tracking.c: Include cselib.h and target.h.
11715         (enum micro_operation_type): Add MO_VAL_USE, MO_VAL_LOC, and
11716         MO_VAL_SET.
11717         (micro_operation_type_name): New.
11718         (enum emit_note_where): Add EMIT_NOTE_AFTER_CALL_INSN.
11719         (struct micro_operation_def): Update comments.
11720         (decl_or_value): New type.  Use instead of decls.
11721         (struct emit_note_data_def): Add vars.
11722         (struct attrs_def): Use decl_or_value.
11723         (struct variable_tracking_info_def): Add permp, flooded.
11724         (struct location_chain_def): Update comment.
11725         (struct variable_part_def): Use decl_or_value.
11726         (struct variable_def): Make var_part a variable length array.
11727         (valvar_pool): New.
11728         (scratch_regs): New.
11729         (cselib_hook_called): New.
11730         (dv_is_decl_p): New.
11731         (dv_is_value_p): New.
11732         (dv_as_decl): New.
11733         (dv_as_value): New.
11734         (dv_as_opaque): New.
11735         (dv_onepart_p): New.
11736         (dv_pool): New.
11737         (IS_DECL_CODE): New.
11738         (check_value_is_not_decl): New.
11739         (dv_from_decl): New.
11740         (dv_from_value): New.
11741         (dv_htab_hash): New.
11742         (variable_htab_hash): Use it.
11743         (variable_htab_eq): Support values.
11744         (variable_htab_free): Free from the right pool.
11745         (attrs_list_member, attrs_list_insert): Use decl_or_value.
11746         (attrs_list_union): Adjust.
11747         (attrs_list_mpdv_union): New.
11748         (tie_break_pointers): New.
11749         (canon_value_cmp): New.
11750         (unshare_variable): Return possibly-modified slot.
11751         (vars_copy_1): Adjust.
11752         (var_reg_decl_set): Adjust.  Split out of...
11753         (var_reg_set): ... this.
11754         (get_init_value): Adjust.
11755         (var_reg_delete_and_set): Adjust.
11756         (var_reg_delete): Adjust.
11757         (var_regno_delete): Adjust.
11758         (var_mem_decl_set): Split out of...
11759         (var_mem_set): ... this.
11760         (var_mem_delete_and_set): Adjust.
11761         (var_mem_delete): Adjust.
11762         (val_store): New.
11763         (val_reset): New.
11764         (val_resolve): New.
11765         (variable_union): Adjust.  Speed up merge of 1-part vars.
11766         (variable_canonicalize): Use unshared slot.
11767         (VALUED_RECURSED_INTO): New.
11768         (find_loc_in_1pdv): New.
11769         (struct dfset_merge): New.
11770         (insert_into_intersection): New.
11771         (intersect_loc_chains): New.
11772         (loc_cmp): New.
11773         (canonicalize_loc_order_check): New.
11774         (canonicalize_values_mark): New.
11775         (canonicalize_values_star): New.
11776         (variable_merge_over_cur): New.
11777         (variable_merge_over_src): New.
11778         (dataflow_set_merge): New.
11779         (dataflow_set_equiv_regs): New.
11780         (remove_duplicate_values): New.
11781         (struct dfset_post_merge): New.
11782         (variable_post_merge_new_vals): New.
11783         (variable_post_merge_perm_vals): New.
11784         (dataflow_post_merge_adjust): New.
11785         (find_mem_expr_in_1pdv): New.
11786         (dataflow_set_preserve_mem_locs): New.
11787         (dataflow_set_remove_mem_locs): New.
11788         (dataflow_set_clear_at_call): New.
11789         (onepart_variable_different_p): New.
11790         (variable_different_p): Use it.
11791         (dataflow_set_different_1): Adjust.  Make detailed dump more verbose.
11792         (track_expr_p): Add need_rtl parameter.  Don't generate rtl
11793         if not needed.
11794         (track_loc_p): Pass it true.
11795         (struct count_use_info): New.
11796         (find_use_val): New.
11797         (replace_expr_with_values): New.
11798         (log_op_type): New.
11799         (use_type): New, partially split out of...
11800         (count_uses): ... this.  Count new micro-ops.
11801         (count_uses_1): Adjust.
11802         (count_stores): Adjust.
11803         (count_with_sets): New.
11804         (VAL_NEEDS_RESOLUTION): New.
11805         (VAL_HOLDS_TRACK_EXPR): New.
11806         (VAL_EXPR_IS_COPIED): New.
11807         (VAL_EXPR_IS_CLOBBERED): New.
11808         (add_uses): Adjust.  Generate new micro-ops.
11809         (add_uses_1): Adjust.
11810         (add_stores): Generate new micro-ops.
11811         (add_with_sets): New.
11812         (find_src_status): Adjust.
11813         (find_src_set_src): Adjust.
11814         (compute_bb_dataflow): Use dataflow_set_clear_at_call.
11815         Handle new micro-ops.  Canonicalize value equivalances.
11816         (vt_find_locations): Compute total size of hash tables for
11817         dumping.  Perform merge for var-tracking-assignments.  Don't
11818         disregard single-block loops.
11819         (dump_attrs_list): Handle decl_or_value.
11820         (dump_variable): Take variable.  Deal with decl_or_value.
11821         (dump_variable_slot): New.
11822         (dump_vars): Use it.
11823         (dump_dataflow_sets): Adjust.
11824         (set_slot_part): New, extended to support one-part variables
11825         after splitting out of...
11826         (set_variable_part): ... this.
11827         (clobber_slot_part): New, split out of...
11828         (clobber_variable_part): ... this.
11829         (delete_slot_part): New, split out of...
11830         (delete_variable_part): .... this.
11831         (check_wrap_constant): New.
11832         (vt_expand_loc_callback): New.
11833         (vt_expand_loc): New.
11834         (emit_note_insn_var_location): Adjust.  Handle values.  Handle
11835         EMIT_NOTE_AFTER_CALL_INSN.
11836         (emit_notes_for_differences_1): Adjust.  Handle values.
11837         (emit_notes_for_differences_2): Likewise.
11838         (emit_notes_for_differences): Adjust.
11839         (emit_notes_in_bb): Take pointer to set.  Emit AFTER_CALL_INSN notes.
11840         Adjust.  Handle new micro-ops.
11841         (vt_add_function_parameters): Adjust.  Create and bind values.
11842         (vt_initialize): Adjust.  Initialize scratch_regs and
11843         valvar_pool, flooded and perm..  Initialize and use cselib.  Log
11844         operations.  Move some code to count_with_sets and add_with_sets.
11845         (delete_debug_insns): New.
11846         (vt_debug_insns_local): New.
11847         (vt_finalize): Release permp, valvar_pool, scratch_regs.  Finish
11848         cselib.
11849         (var_tracking_main): If var-tracking-assignments is enabled
11850         but var-tracking isn't, delete debug insns and leave.  Likewise
11851         if we exceed limits or fail the stack adjustments tests, and
11852         after all var-tracking processing.
11853         More in var-tracking, from Jakub Jelinek <jakub@redhat.com>:
11854         (dataflow_set): Add traversed_vars.
11855         (value_chain, const_value_chain): New typedefs.
11856         (value_chain_pool, value_chains): New variables.
11857         (value_chain_htab_hash, value_chain_htab_eq, add_value_chain,
11858         add_value_chains, add_cselib_value_chains, remove_value_chain,
11859         remove_value_chains, remove_cselib_value_chains): New functions.
11860         (shared_hash_find_slot_unshare_1, shared_hash_find_slot_1,
11861         shared_hash_find_slot_noinsert_1, shared_hash_find_1): New
11862         static inlines.
11863         (shared_hash_find_slot_unshare, shared_hash_find_slot,
11864         shared_hash_find_slot_noinsert, shared_hash_find): Update.
11865         (dst_can_be_shared): New variable.
11866         (unshare_variable): Unshare set->vars if shared, use shared_hash_*.
11867         Clear dst_can_be_shared.  If set->traversed_vars is non-NULL and
11868         different from set->vars, look up slot again instead of using the
11869         passed in slot.
11870         (dataflow_set_init): Initialize traversed_vars.
11871         (variable_union): Use shared_hash_*.  Use initially NO_INSERT
11872         lookup if set->vars is shared.  Don't keep slot cleared before
11873         calling unshare_variable.  Unshare set->vars if needed.  Adjust
11874         unshare_variable callers.  Clear dst_can_be_shared if needed.
11875         Even ->refcount == 1 vars must be unshared if set->vars is shared
11876         and var needs to be modified.
11877         (dataflow_set_union): Set traversed_vars during canonicalization.
11878         (VALUE_CHANGED, DECL_CHANGED): Define.
11879         (set_dv_changed, dv_changed_p): New static inlines.
11880         (track_expr_p): Clear DECL_CHANGED.
11881         (dump_dataflow_sets): Set it.
11882         (variable_was_changed): Call set_dv_changed.
11883         (emit_note_insn_var_location): Likewise.
11884         (changed_variables_stack): New variable.
11885         (check_changed_vars_1, check_changed_vars_2): New functions.
11886         (emit_notes_for_changes): Do nothing if changed_variables is
11887         empty.  Traverse changed_variables with check_changed_vars_1,
11888         call check_changed_vars_2 on each changed_variables_stack entry.
11889         (emit_notes_in_bb): Add SET argument.  Just clear it at the
11890         beginning, use it instead of local &set, don't destroy it at the end.
11891         (vt_emit_notes): Call dataflow_set_clear early on all
11892         VTI(bb)->out sets, never use them, instead use emit_notes_in_bb
11893         computed set, dataflow_set_clear also VTI(bb)->in when we are
11894         done with the basic block.  Initialize changed_variables_stack,
11895         free it afterwards.  If ENABLE_CHECKING verify that after noting
11896         differences to an empty set value_chains hash table is empty.
11897         (vt_initialize): Initialize value_chains and value_chain_pool.
11898         (vt_finalize): Delete value_chains htab, free value_chain_pool.
11899         (variable_tracking_main): Call dump_dataflow_sets before calling
11900         vt_emit_notes, not after it.
11901         * tree-flow.h (propagate_defs_into_debug_stmts): Declare.
11902         (propagate_var_def_into_debug_stmts): Declare.
11903         * df-problems.c (df_lr_bb_local_compute): Skip debug insns.
11904         (df_set_note): Reject debug insns.
11905         (df_whole_mw_reg_dead_p): Take added_notes_p argument.  Don't
11906         add notes to debug insns.
11907         (df_note_bb_compute): Adjust.  Likewise.
11908         (df_simulate_uses): Skip debug insns.
11909         (df_simulate_initialize_backwards): Likewise.
11910         * reg-stack.c (subst_stack_regs_in_debug_insn): New.
11911         (subst_stack_regs_pat): Reject debug insns.
11912         (convert_regs_1): Handle debug insns.
11913         * Makefile.in (TREE_INLINE_H): Take pointer-set.h from GIMPLE_H.
11914         (print-rtl.o): Depend on cselib.h.
11915         (cselib.o): Depend on TREE_PASS_H.
11916         (var-tracking.o): Depend on cselib.h and TARGET_H.
11917         * sched-rgn.c (rgn_estimate_number_of_insns): Discount debug insns.
11918         (init_ready_list): Skip boundary debug insns.
11919         (add_branch_dependences): Skip debug insns.
11920         (free_block_dependencies): Check for blocks with only debug insns.
11921         (compute_priorities): Likewise.
11922         * gimple.c (gss_for_code): Handle GIMPLE_DEBUG.
11923         (gimple_build_with_ops_stat): Take subcode as unsigned.  Adjust
11924         all callers.
11925         (gimple_build_debug_bind_stat): New.
11926         (empty_body_p): Skip debug stmts.
11927         (gimple_has_side_effects): Likewise.
11928         (gimple_rhs_has_side_effects): Likewise.
11929         * gimple.h (enum gimple_debug_subcode, GIMPLE_DEBUG_BIND): New.
11930         (gimple_build_debug_bind_stat): Declare.
11931         (gimple_build_debug_bind): Define.
11932         (is_gimple_debug): New.
11933         (gimple_debug_bind_p): New.
11934         (gimple_debug_bind_get_var): New.
11935         (gimple_debug_bind_get_value): New.
11936         (gimple_debug_bind_get_value_ptr): New.
11937         (gimple_debug_bind_set_var): New.
11938         (gimple_debug_bind_set_value): New.
11939         (GIMPLE_DEBUG_BIND_NOVALUE): New internal temporary macro.
11940         (gimple_debug_bind_reset_value): New.
11941         (gimple_debug_bind_has_value_p): New.
11942         (gsi_next_nondebug): New.
11943         (gsi_prev_nondebug): New.
11944         (gsi_start_nondebug_bb): New.
11945         (gsi_last_nondebug_bb): New.
11946         * sched-vis.c (print_pattern): Handle VAR_LOCATION.
11947         (print_insn): Handle DEBUG_INSN.
11948         * tree-cfg.c (remove_bb): Walk stmts backwards.  Let loc
11949         of first insn prevail.
11950         (first_stmt): Skip debug stmts.
11951         (first_non_label_stmt): Likewise.
11952         (last_stmt): Likewise.
11953         (has_zero_uses_1): New.
11954         (single_imm_use_1): New.
11955         (verify_gimple_debug): New.
11956         (verify_types_in_gimple_stmt): Handle debug stmts.
11957         (verify_stmt): Likewise.
11958         (debug_loop_num): Skip debug stmts.
11959         (remove_edge_and_dominated_blocks): Remove dominators last.
11960         * tree-ssa-reasssoc.c (rewrite_expr_tree): Propagate into debug stmts.
11961         (linearize_expr): Likewise.
11962         * config/i386/i386.c (ix86_delegitimize_address): Call
11963         default implementation.
11964         * config/ia64/ia64.c (ia64_safe_itanium_class): Handle debug insns.
11965         (group_barrier_needed): Skip debug insns.
11966         (emit_insn_group_barriers): Likewise.
11967         (emit_all_insn_group_barriers): Likewise.
11968         (ia64_variable_issue): Handle debug insns.
11969         (ia64_dfa_new_cycle): Likewise.
11970         (final_emit_insn_group_barriers): Skip debug insns.
11971         (ia64_dwarf2out_def_steady_cfa): Take frame argument.  Don't
11972         def cfa without frame.
11973         (process_set): Likewise.
11974         (process_for_unwind_directive): Pass frame on.
11975         * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
11976         (rs6000_delegitimize_address): New.
11977         (rs6000_debug_adjust_cost): Handle debug insns.
11978         (is_microcoded_insn): Likewise.
11979         (is_cracked_insn): Likewise.
11980         (is_nonpipeline_insn): Likewise.
11981         (insn_must_be_first_in_group): Likewise.
11982         (insn_must_be_last_in_group): Likewise.
11983         (force_new_group): Likewise.
11984         * cfgrtl.c (rtl_split_block): Emit INSN_DELETED note if block
11985         contains only debug insns.
11986         (rtl_merge_blocks): Skip debug insns.
11987         (purge_dead_edges): Likewise.
11988         (rtl_block_ends_with_call_p): Skip debug insns.
11989         * dce.c (deletable_insn_p): Handle VAR_LOCATION.
11990         (mark_reg_dependencies): Skip debug insns.
11991         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): New.
11992         * tree-ssanames.c (release_ssa_name): Propagate def into debug stmts.
11993         * tree-ssa-threadedge.c
11994         (record_temporary_equivalences_from_stmts): Skip debug stmts.
11995         * regcprop.c (replace_oldest_value_addr): Skip debug insns.
11996         (replace_oldest_value_mem): Use ALL_REGS for debug insns.
11997         (copyprop_hardreg_forward_1): Handle debug insns.
11998         * reload1.c (reload): Skip debug insns.  Replace unassigned
11999         pseudos in debug insns with their equivalences.
12000         (eliminate_regs_in_insn): Skip debug insns.
12001         (emit_input_reload_insns): Skip debug insns at first, adjust
12002         them later.
12003         * tree-ssa-operands.c (add_virtual_operand): Reject debug stmts.
12004         (get_indirect_ref_operands): Pass opf_no_vops on.
12005         (get_expr_operands): Likewise.  Skip debug stmts.
12006         (parse_ssa_operands): Scan debug insns with opf_no_vops.
12008 2009-09-01  Richard Henderson  <rth@redhat.com>
12010         * tree-ssa-ccp.c (ccp_initialize): Make sure to simulate
12011         stmt_ends_pp_p statements at least once.
12012         * tree-vrp.c (vrp_initialize): Likewise.
12013         (vrp_visit_stmt): Be prepared for non-interesting stmts.
12015 2009-09-01  Dodji Seketeli  <dodji@redhat.com>
12017         PR bootstrap/41205
12018         Fix AIX bootstrap after PR debug/30161
12019         * dwarf2out.c (make_ith_pack_parameter_name): Don't used strnlen
12020         that is a GNU extension.
12021         (tmpl_value_parm_die_table): Move the definition of this global
12022         outside #ifdef DWARF2_DEBUGGING_INFO region.
12024 2009-09-01  Richard Guenther  <rguenther@suse.de>
12026         * tree.c (tree_expr_size): New function.
12027         * tree.h (tree_expr_size): Declare.
12028         * rtlanal.c (rtx_addr_can_trap_p_1): Adjust comment.
12029         * builtins.c (fold_builtin_memory_op): Use tree_expr_size.
12030         * langhooks.c (lhd_expr_size): Remove.
12031         * langhooks.h (struct lang_hooks): Remove expr_size.
12032         * explow.c (expr_size): Use tree_expr_size.
12033         (int_expr_size): Likewise.
12034         * langhooks-def.h (lhd_expr_size): Remove.
12035         (LANG_HOOKS_EXPR_SIZE): Likewise.
12036         (LANG_HOOKS_INITIALIZER): Adjust.
12038 2009-09-01  Richard Guenther  <rguenther@suse.de>
12040         * tree-flow.h (mark_addressable): Move declaration ...
12041         * tree.h (mark_addressable): ... here.
12042         * stmt.c (expand_asm_operands): Use mark_addressable, not
12043         lang_hooks.mark_addressable.
12044         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
12045         LANG_HOOKS_MARK_ADDRESSABLE.
12046         * langhooks.h (struct lang_hooks): Remove mark_addressable langhook.
12047         * c-objc-common.h (LANG_HOOKS_MARK_ADDRESSABLE): Remove.
12049 2009-08-31  Chris Demetriou  <cgd@google.com>
12051         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Never
12052         vectorize if not TARGET_SSE2.
12054 2009-08-31  DJ Delorie  <dj@redhat.com>
12056         * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Exclude coprocessor
12057         registers if no coprocessor is enabled.
12059 2009-08-31  Dodji Seketeli  <dodji@redhat.com>
12061         PR debug/30161
12062         * cgraph.h (cgraph_get_node): Declare ...
12063         * cgraph.c (cgraph_get_node): ... new function.
12064         * dwarf2out.c (gen_generic_params_dies,
12065         generic_parameter_die, tree_add_const_value_attribute_for_decl,
12066         make_ith_pack_parameter_name,
12067         append_entry_to_tmpl_value_parm_die_table,
12068         gen_remaining_tmpl_value_param_die_attribute): New functions.
12069         (gen_subprogram_die): Generate debug info for template parameters
12070         if debug info level is higher than DINFO_LEVEL_TERSE.
12071         Use tree_add_const_value_attribute_for_decl instead of
12072         tree_add_const_value_attribute.
12073         (gen_const_die): Use tree_add_const_value_attribute_for_decl
12074         instead of tree_add_const_value_attribute.
12075         (gen_struct_or_union_type_die): Generate debug
12076         info for template parameters if debug info level is higher than
12077         DINFO_LEVEL_TERSE.
12078         (tree_add_const_value_attribute): Handle integral and pointer
12079         constants. Update comment.
12080         (dwarf_tag_name): Support DW_TAG_GNU_template_template_param.
12081         (dwarf_attr_name): Support DW_AT_GNU_template_name.
12082         (reference_to_unused): Fix thinko. Remove redundant predicates from
12083         tests.
12084         (tree_add_const_value_attribute): Make this work for constant
12085         expressions only.
12086         tree_add_const_value_attribute_for_decl is to be used for variable
12087         DECLs now.
12088         (add_location_or_const_value_attribute): Use
12089         tree_add_const_value_attribute_for_decl now.
12090         (dwarf2out_finish): Emit the DW_AT_const_value attribute of
12091         DW_TAG_template_value_param DIEs after function DIEs have been
12092         emitted.
12093         * langhooks.h (lang_hooks_for_types): Add
12094         get_argument_pack_elems.
12095         (lang_hooks_for_decls): Add generic_generic_parameter_decl_p.
12096         (lang_hooks): Added get_innermost_generic_parms,
12097         get_innermost_generic_args.
12098         * langhooks-def.h (LANG_HOOKS_GET_INNERMOST_GENERIC_PARMS,
12099         LANG_HOOKS_GET_INNERMOST_GENERIC_ARGS,
12100         LANG_HOOKS_GET_ARGUMENT_PACK_ELEMS,
12101         LANG_HOOKS_GENERIC_GENERIC_PARAMETER_DECL_P): New language hooks.
12103 2009-08-31  DJ Delorie  <dj@redhat.com>
12105         * config/mep/mep.c (machine_function): Add frame_locked flag.  Set
12106         it once we start generating the prologue or epilogue.
12107         (mep_call_saves_register): If the frame is locked, re-use
12108         cached values.
12109         (mep_assign_save_slots): New, broken out from mep_expand_prologue.
12110         (mep_expand_prologue): Call it.
12111         (mep_expand_epilogue): Likewise.
12112         (mep_start_function): Use the same logic as mep_expand_prologue.
12113         (mep_pass_by_reference): Make logic more readable.
12114         (mep_return_in_memory): Zero-sized objects are passed in memory.
12115         (mep_reorg_noframe): Make sure we have accurate REG_DEAD notes.
12117 2009-08-31  Richard Guenther  <rguenther@suse.de>
12119         * builtins.c (fold_builtin_memory_op): Use the alias oracle
12120         to query if the memory regions for memmove overlap.
12121         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Relax the
12122         asserts on pointers, instead deal with odd trees.
12123         (ptr_derefs_may_alias_p): Likewise.
12124         (refs_may_alias_p_1): Constructor bases also never alias.
12126 2009-08-31  Gerald Pfeifer  <gerald@pfeifer.com>
12128         * doc/install.texi (Final install): Adjust reference on where to
12129         order printed manuals.
12131 2009-08-30  Olivier Hainque  <hainque@adacore.com>
12133         * dwarf2out.c (switch_to_frame_table_section): Move
12134         definition prior to first use.
12136 2009-08-30  Richard Guenther  <rguenther@suse.de>
12138         PR tree-optimization/41186
12139         * tree-ssa-alias.c (ptr_deref_may_alias_ref_p): Remove.
12140         (ao_ref_init_from_ptr_and_size): New function.
12141         (ref_maybe_used_by_call_p_1): Be more precise tracking
12142         used ranges for builtin functions.
12143         (ref_maybe_used_by_call_p): Adjust.
12144         (call_may_clobber_ref_p_1): Be more precise tracking clobbered
12145         ranges for builtin functions.
12146         * tree-ssa-alias.h (ao_ref_init_from_ptr_and_size): Declare.
12148 2009-08-30  Alan Modra  <amodra@bigpond.net.au>
12150         PR target/41081
12151         * fwprop.c (get_reg_use_in): Delete.
12152         (free_load_extend): New function.
12153         (forward_propagate_subreg): Use it.
12155 2009-08-29  Kaz Kojima  <kkojima@gcc.gnu.org>
12157         * config.gcc (sh*-*-elf): Add superh stuff only for sh*-superh-elf.
12159 2009-08-29  Kai Tietz<kai.tietz@onevision.com>
12161         PR/41184
12162         * config/i386.c (ix86_expand_epilogue): Correct stack adjustment for
12163         padding.
12165 2009-08-29  Douglas B Rupp  <rupp@gnat.com>
12167         * crtstuff.c (__do_global_dtors_aux): Use atexit if no
12168         fini or fini_array section.
12170 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
12172         * graphite-dependences.c (graphite_legal_transform_bb): Call
12173         pbb_remove_duplicate_pdrs.
12174         * graphite-poly.c (can_collapse_pdr): Removed.
12175         (pdr_find_duplicate): Removed.
12176         (can_collapse_pdrs): New.
12177         (pbb_remove_duplicate_pdrs): New.
12178         (new_poly_dr): Do not look for duplicates.
12179         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
12180         (PBB_PDR_DUPLICATES_REMOVED): New.
12181         (pbb_remove_duplicate_pdrs): Declared.
12183 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
12185         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
12186         the strides by multiplying by PDR_NB_REFS.
12187         * graphite-poly.c (can_collapse_pdr): New.
12188         (pdr_find_duplicate): New.
12189         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
12190         Initialize PDR_NB_REFS.
12191         * graphite-poly.h (struct poly_dr): Add field nb_refs.
12192         (PDR_NB_REFS): New.
12193         (new_poly_dr): Number of subscripts is a graphite_dim_t.
12195 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
12197         PR middle-end/40965
12198         * graphite-poly.c (apply_poly_transforms): Remove legality test before
12199         any transform.
12201 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
12203         * graphite-dependences.c (pddr_original_scattering): Return NULL
12204         for read-read dependence relations.
12205         * graphite-poly.h (enum poly_dr_type): Fix comment.
12206         (pdr_read_p): New.
12207         (pdr_write_p): New.
12208         (pdr_may_write_p): New.
12210 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
12212         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
12213         (struct poly_dr): Same.
12214         (new_poly_dr): Same.
12215         * graphite-poly.c (new_poly_dr): Same.
12216         * graphite-dependences.c (dot_deps): Disable call to system.
12218 2009-08-28  Cary Coutant  <ccoutant@google.com>
12220         PR debug/41063
12221         * dwarf2out.c (gen_type_die_with_usage): Use proper context for
12222         struct/union/enum types local to a function.
12224 2009-08-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
12225             Sebastian Pop  <sebastian.pop@amd.com>
12227         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
12228         pbb_strip_mine_time_depth.  Changed the implementation so that
12229         transformation is expressed as a transformation on
12230         time (scatttering) dimensions.  Also, ensures that the 2d+1
12231         scheduling format is preserved.
12232         (pbb_strip_mine_profitable_p): Profitability is based on the
12233         iteration number of a given time (scattering) dimension,
12234         and not on a original loop depth dimension.
12235         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
12236         (pbb_do_strip_mine): Call psct_dynamic_dim.
12237         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
12238         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
12239         (pbb_nb_dynamic_scattering_transform): New.
12240         (psct_dynamic_dim): New.
12242 2009-08-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
12244         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
12245         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
12246         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
12247         * graphite-interchange.c (build_linearized_memory_access): Same.
12248         (memory_stride_in_loop): Same.
12250 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
12252         * graphite-dependences.c (pddr_original_scattering): New.
12253         (graphite_legal_transform_dr): Call pddr_original_scattering.
12254         (dot_deps_1): New.
12255         (dot_deps): New.
12256         * graphite-dependences.h (dot_deps): Declared.
12257         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
12258         (print_pdr): Print PDR_ID.
12259         * graphite-poly.h (struct poly_dr): Add field id.
12260         (PDR_ID): New.
12261         (pbb_index): New.
12262         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
12264 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
12266         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
12267         not delete the original dependence relation.
12269 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
12271         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
12272         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
12273         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
12274         (free_poly_ddr): New.
12275         (pddr_is_empty): New.
12276         (dependence_polyhedron_1): Now returns a poly_ddr_p.
12277         (dependence_polyhedron): Same.  Remove useless gcc_assert.
12278         Remove fprintfs.
12279         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
12280         (graphite_carried_dependence_level_k): Call pddr_is_empty.
12281         * graphite-dependences.h (enum poly_dependence_kind): New.
12282         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
12283         (PDRP_SOURCE): Renamed PDDR_SOURCE.
12284         (PDRP_SINK): Renamed PDDR_SINK.
12285         (PDRP_DDP): Renamed PDDR_DDP.
12286         (PDDR_KIND): New.
12287         (free_poly_ddr): Declared.
12288         * graphite-poly.c (new_scop): Use the new hash function names.
12289         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
12290         into original_pddrs.
12291         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
12293 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
12295         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
12296         bounds with LT_EXPR to make niter analysis more precise on code
12297         generated by Graphite.
12299 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
12301         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
12302         (graphite_legal_transform_bb): Same.
12303         (poly_drs_may_alias_p): Same.
12305 2009-08-28  Richard Guenther  <rguenther@suse.de>
12307         * tree.def: Remove note about obsolete TYPE_NONCOPIED_PARTS.
12309 2009-08-28  Jan Beulich  <jbeulich@novell.com>
12311         * config/i386/netware.c: Include langhooks.h.
12312         (i386_nlm_encode_section_info): Simplify.
12313         (netware_override_options): Delete.
12314         * config/i386/netware.h (netware_override_options): Delete
12315         declaration.
12316         (OVERRIDE_OPTIONS): Delete definition.
12317         (SUBTARGET_OVERRIDE_OPTIONS): Define.
12318         (ASM_COMMENT_START): Define.
12319         * config/i386/nwld.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Define.
12321 2009-08-28  Jan Beulich  <jbeulich@novell.com>
12323         * configure.ac: For in-tree ld, do a plain version check to
12324         determine whether comdat groups are supported.
12325         * configure: Regenerate.
12327 2009-08-28  Olivier Hainque  <hainque@adacore.com>
12329         * collect2.c (DO_COLLECT_EXPORT_LIST): New internal macro,
12330         always defined.  Reflect definition or absence of such for
12331         COLLECT_EXPORT_LIST.  Readability helper.
12332         (scanfilter): New enum, to help control what symbols
12333         are to be considered or ignored by scan_prog_file.
12334         (enum pass): Rename as "scanpass", moved together with scanfilter
12335         prior to scan_prog_file's prototype.
12336         (scan_prog_file): Accept and honor scanpass and scanfilter arguments.
12337         Group prototype with the scanpass/scanfilter definitions, factorize
12338         head comments for the several implementations at the prototype.
12339         (main): Reorganize the first pass link control to let AIX
12340         drag only the needed frame tables in executables.  Prevent
12341         frame tables collection during the scan aimed at static ctors.
12342         Pre-link and scan for frame tables later to compensate.
12343         * doc/tm.texi (ASM_OUTPUT_DWARF_TABLE_REF): New macro.
12344         A C statement to issue assembly directives that create a reference
12345         to the given DWARF table identifier label from the current function
12346         section.
12347         * dwarf2out.c (switch_to_eh_frame_section): Add a BACK argument
12348         to differentiate first time section entry.  Only emit a .data
12349         tables start identifier label the first time around.
12350         (switch_to_frame_table_section): New function.  Helper for
12351         output_call_frame_info to switch possibly BACK into the eh_frame
12352         or the debug_frame section depending on FOR_EH.
12353         (output_call_frame_info): Use helper to first enter the proper
12354         frame section.
12355         (output_fde): Use ASM_OUTPUT_DWARF_TABLE_REF when defined to
12356         emit a link to the frame table start label from each function
12357         section.
12358         * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_table_ref):
12359         New function.  Implementation of ASM_OUTPUT_DWARF_TABLE_REF.
12360         * config/rs6000/rs6000-protos.h: Declare it.
12361         * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Define.
12363 2009-08-27  Kaz Kojima  <kkojima@gcc.gnu.org>
12365         * config/sh/sh.c (split_branches): Check the result of
12366         next_active_insn.
12368 2009-08-27  Steve Ellcey  <sje@cup.hp.com>
12370         * config/ia64/hpux.h (LIB_SPEC): Add -lrt for when
12371         using -pthread -fopenmp
12373 2009-08-27  Gerald Pfeifer  <gerald@pfeifer.com>
12375         * doc/service.texi (service directory): Update URL.
12377 2009-08-27  Uros Bizjak  <ubizjak@gmail.com>
12379         PR rtl-optimization/40861
12380         * simplify-rtx.c (simplify_subreg): Do not call simplify_gen_subreg to
12381         extract word from a multi-word subreg for negative byte positions.
12383 2009-08-27  Tristan Gingold  <gingold@adacore.com>
12384             Douglas B Rupp  <rupp@gnat.com>
12386         * config/ia64/ia64.c (ia64_attribute_table): Add "common_object" entry.
12387         (SECTION_VMS_OVERLAY): Define.
12388         (ia64_vms_common_object_attribute): Added.  Handle the "common_object"
12389         attribute.
12390         (ia64_vms_elf_asm_named_section): Added.  Generate .section pseudo-op
12391         for common_object.
12392         (ia64_vms_output_aligned_decl_common): Added.  Generate pseudo-op for
12393         common_object declarations.
12394         (ia64_section_type_flags): Set section flag for common_object.
12395         * config/ia64/ia64-protos.h
12396         (ia64_vms_output_aligned_decl_common): Declare.
12397         (ia64_vms_elf_asm_named_section): Declare.
12399 2009-08-27  Michael Matz  <matz@suse.de>
12401         * expr.c (expand_expr_real_2): New function taking exploded
12402         unary or binary expression, split out from ...
12403         (expand_expr_real_1): ... here.  Move over all unary/binary
12404         switch parts to above function, in particular these codes:
12405         PAREN_EXPR, NOP_EXPR, CONVERT_EXPR, POINTER_PLUS_EXPR, PLUS_EXPR,
12406         MINUS_EXPR, MULT_EXPR, TRUNC_DIV_EXPR, FLOOR_DIV_EXPR, CEIL_DIV_EXPR,
12407         ROUND_DIV_EXPR, EXACT_DIV_EXPR, RDIV_EXPR, TRUNC_MOD_EXPR,
12408         FLOOR_MOD_EXPR, CEIL_MOD_EXPR, ROUND_MOD_EXPR, FIXED_CONVERT_EXPR,
12409         FIX_TRUNC_EXPR, FLOAT_EXPR, NEGATE_EXPR, ABS_EXPR, MAX_EXPR, MIN_EXPR,
12410         BIT_NOT_EXPR, TRUTH_AND_EXPR, BIT_AND_EXPR, TRUTH_OR_EXPR,
12411         BIT_IOR_EXPR, TRUTH_XOR_EXPR, BIT_XOR_EXPR, LROTATE_EXPR, RROTATE_EXPR,
12412         LSHIFT_EXPR, RSHIFT_EXPR, LT_EXPR, LE_EXPR, GT_EXPR, GE_EXPR, EQ_EXPR,
12413         NE_EXPR, UNORDERED_EXPR, ORDERED_EXPR, UNLT_EXPR, UNLE_EXPR, UNGT_EXPR,
12414         UNGE_EXPR, UNEQ_EXPR, LTGT_EXPR, TRUTH_NOT_EXPR, COMPLEX_EXPR,
12415         WIDEN_SUM_EXPR, REDUC_MAX_EXPR, REDUC_MIN_EXPR, REDUC_PLUS_EXPR,
12416         VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR, VEC_INTERLEAVE_HIGH_EXPR,
12417         VEC_INTERLEAVE_LOW_EXPR, VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR,
12418         VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR, VEC_UNPACK_FLOAT_HI_EXPR,
12419         VEC_UNPACK_FLOAT_LO_EXPR, VEC_WIDEN_MULT_HI_EXPR,
12420         VEC_WIDEN_MULT_LO_EXPR, VEC_PACK_TRUNC_EXPR, VEC_PACK_SAT_EXPR,
12421         VEC_PACK_FIX_TRUNC_EXPR.
12422         (<case PAREN_EXPR>): Call set_mem_attributes() with type, not the
12423         full expression.
12425 2009-08-27  Richard Guenther  <rguenther@suse.de>
12427         * gengtype.c (main): Handle uint64_t.
12428         * ipa-utils.c (get_base_var): Indent properly.
12429         * tree-ssa-live.c (debug_scope_block): New function.
12430         * tree-flow.h (debug_scope_block): Declare.
12431         * tree-ssa-copy.c (replace_exp_1): Add vertical space.
12432         * basic-block.h (enum profile_status): Rename to
12433         enum profile_status_d.
12434         (x_profile_status): Adjust type.
12436 2009-08-27  Dodji Seketeli  <dodji@redhat.com>
12438         PR debug/41170
12439         * dwarf2out.c (get_context_die): Declare this static function.
12440         (gen_type_die_with_usage): Make sure a DIE is a generated for
12441         the context of a typedef.
12443 2009-08-26  Anatoly Sokolov  <aesok@post.ru>
12445         * doc/invoke.texi (AVR Options): Remove documentation of -minit-stack
12446         switch.
12448 2009-08-26  Richard Sandiford  <rdsandiford@googlemail.com>
12450         * config/mips/mips-protos.h (mips_output_sync): Declare.
12451         (mips_sync_loop_insns): Likewise.
12452         (mips_output_sync_loop): Replace first two parameters with an rtx.
12453         * config/mips/mips.c (mips_multi_member): New structure.
12454         (mips_multi_members): New variable.
12455         (mips_multi_start): New function.
12456         (mips_multi_add): Likewise.
12457         (mips_multi_add_insn): Likewise.
12458         (mips_multi_add_label): Likewise.
12459         (mips_multi_last_index): Likewise.
12460         (mips_multi_copy_insn): Likewise.
12461         (mips_multi_set_operand): Likewise.
12462         (mips_multi_write): Likewise.
12463         (mips_print_operand_punctuation): Remove '%|' and '%-'.
12464         (mips_init_print_operand_punct): Update accordingly.
12465         (mips_start_ll_sc_sync_block): New function.
12466         (mips_end_ll_sc_sync_block): Likewise.
12467         (mips_output_sync): Likewise.
12468         (mips_sync_insn1_template): Likewise.
12469         (mips_sync_insn2_template): Likewise.
12470         (mips_get_sync_operand): Likewise.
12471         (mips_process_sync_loop): Likewise.
12472         (mips_output_sync_loop): Use mips_process_sync_loop.
12473         (mips_sync_loop_insns): New function.
12474         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Delete.
12475         (MIPS_COMPARE_AND_SWAP_12): Likewise.
12476         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP): Likewise.
12477         (MIPS_COMPARE_AND_SWAP_12_NONZERO_OP): Likewise.
12478         (MIPS_SYNC_OP, MIPS_SYNC_OP_12): Likewise.
12479         (MIPS_SYNC_OP_12_AND, MIPS_SYNC_OP_12_XOR): Likewise.
12480         (MIPS_SYNC_OLD_OP_12): Likewise.
12481         (MIPS_SYNC_OLD_OP_12_AND, MIPS_SYNC_OLD_OP_12_XOR): Likewise.
12482         (MIPS_SYNC_NEW_OP_12): Likewise.
12483         (MIPS_SYNC_NEW_OP_12_AND, MIPS_SYNC_NEW_OP_12_XOR): Likewise.
12484         (MIPS_SYNC_OLD_OP, MIPS_SYNC_NEW_OP): Likewise.
12485         (MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND, MIPS_SYNC_NEW_NAND): Likewise.
12486         (MIPS_SYNC_EXCHANGE, MIPS_SYNC_EXCHANGE_12): Likewise.
12487         (MIPS_SYNC_EXCHANGE_12_ZERO_OP): Likewise.
12488         (MIPS_SYNC_EXCHANGE_12_NONZER_OP): Likewise.
12489         * config/mips/mips.md (sync_mem): New attribute.
12490         (sync_oldval, sync_newval, sync_inclusive_mask): Likewise.
12491         (sync_exclusive_mask, sync_required_oldval): Likewise.
12492         (sync_insn1_op2, sync_insn1, sync_insn2): Likewise.
12493         (sync_release_barrier): Likewise.
12494         (length): Handle sync loops.
12495         (sync): Use mips_output_sync.
12496         * config/mips/sync.md (*memory_barrier): Use mips_output_sync.
12497         (sync_compare_and_swap<mode>): Set the new sync_* attributes
12498         and use mips_output_sync_loop.
12499         (compare_and_swap_12, sync_add<mode>, sync_<optab>_12): Likewise.
12500         (sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12): Likewise.
12501         (sync_old_nand_12, sync_new_nand_12, sync_sub<mode>): Likewise.
12502         (sync_old_add<mode>, sync_old_sub<mode>): Likewise.
12503         (sync_new_add<mode>, sync_new_sub<mode>): Likewise.
12504         (sync_<optab><mode>, sync_old_<optab><mode>): Likewise.
12505         (sync_new_<optab><mode>, sync_nand<mode>): Likewise.
12506         (sync_old_nand<mode>, sync_new_nand<mode>): Likewise.
12507         (sync_lock_test_and_set<mode>, test_and_set_12): Likewise.
12509 2009-08-26  Richard Guenther  <rguenther@suse.de>
12511         PR middle-end/41163
12512         * gimplify.c (gimplify_addr_expr): Canonicalize ADDR_EXPRs if
12513         the types to not match.
12514         * tree-cfg.c (verify_gimple_assign_single): Adjust ADDR_EXPR
12515         verification.
12516         * tree-ssa.c (useless_type_conversion_p): Conversions to
12517         pointers to unprototyped functions are useless.
12519 2009-08-26  Richard Guenther  <rguenther@suse.de>
12521         * tree-ssa-structalias.c (create_variable_info_for): Remove strange
12522         whole-program condition, prepare to be called for non-globals.
12523         (intra_create_variable_infos): For restrict qualified DECL_BY_REFERENCE
12524         params build a representative with known type and track its fields.
12526 2009-08-26  Uros Bizjak  <ubizjak@gmail.com>
12528         * config/alpha/sync.md: Update comment about unpredictable LL/SC lock
12529         clearing by a taken branch.
12530         (sync_<fetchop_name><mode>): Split when epilogue_completed is set,
12531         effectively after bbro pass.
12532         (sync_nand<mode>): Ditto.
12533         (sync_old_<fetchop_name><mode>): Ditto.
12534         (sync_old_nand<mode>): Ditto.
12535         (sync_new_<fetchop_name><mode>): Dito.
12536         (sync_new_nand<mode>): Ditto.
12537         (sync_compare_and_swap<mode>_1): Ditto.
12538         (*sync_compare_and_swap<mode>): Ditto.
12539         (sync_lock_test_and_set<mode>_1): Ditto.
12540         ("sync_lock_test_and_set<mode>): Ditto.
12542 2009-08-25  Douglas B Rupp  <rupp@gnat.com>
12544         * hwint.h (HOST_LONG_FORMAT): New macro
12545         * bitmap.c, c-decl.c, mips-tfile.c, print-rtl.c, print-tree.c:
12546         Use HOST_PTR_PRINTF.
12547         * system.h (HOST_PTR_PRINTF): Resurrect old macro
12548         * doc/hostconfig.texi (HOST_LONG_FORMAT): Document.
12549         (HOST_PTR_PRINTF): Document.
12551 2009-08-25 Jan Hubicka  <jh@suse.cz>
12553         * config/i386/bmmintrin.h: Replace by #error.
12555         Revert:
12556         Michael Meissner  <michael.meissner@amd.com>
12557         Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
12558         Tony Linthicum  <tony.linthicum@amd.com>
12560         * config/i386/i386.h (TARGET_SSE5): New macro for SSE5.
12561         (TARGET_ROUND): New macro for the round/ptest instructions which
12562         are shared between SSE4.1 and SSE5.
12563         (OPTION_MASK_ISA_ROUND): Ditto.
12564         (OPTION_ISA_ROUND): Ditto.
12565         (TARGET_FUSED_MADD): New macro for -mfused-madd swtich.
12566         (TARGET_CPU_CPP_BUILTINS): Add SSE5 support.
12568         * config/i386/i386.opt (-msse5): New switch for SSE5 support.
12569         (-mfused-madd): New switch to give users control over whether the
12570         compiler optimizes to use the multiply/add SSE5 instructions.
12572         * config/i386/i386.c (enum pta_flags): Add PTA_SSE5.
12573         (ix86_handle_option): Turn off 3dnow if -msse5.
12574         (override_options): Add SSE5 support.
12575         (print_operand): %Y prints comparison codes for SSE5 com/pcom
12576         instructions.
12577         (ix86_expand_sse_movcc): Add SSE5 support.
12578         (ix86_expand_sse5_unpack): New function to use pperm to unpack a
12579         vector type to the next largest size.
12580         (ix86_expand_sse5_pack): New function to use pperm to pack a
12581         vector type to the next smallest size.
12582         (IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic.
12583         (IX86_BUILTIN_FMADDSD): Ditto.
12584         (IX86_BUILTIN_FMADDPS): Ditto.
12585         (IX86_BUILTIN_FMADDPD): Ditto.
12586         (IX86_BUILTIN_FMSUBSS): Ditto.
12587         (IX86_BUILTIN_FMSUBSD): Ditto.
12588         (IX86_BUILTIN_FMSUBPS): Ditto.
12589         (IX86_BUILTIN_FMSUBPD): Ditto.
12590         (IX86_BUILTIN_FNMADDSS): Ditto.
12591         (IX86_BUILTIN_FNMADDSD): Ditto.
12592         (IX86_BUILTIN_FNMADDPS): Ditto.
12593         (IX86_BUILTIN_FNMADDPD): Ditto.
12594         (IX86_BUILTIN_FNMSUBSS): Ditto.
12595         (IX86_BUILTIN_FNMSUBSD): Ditto.
12596         (IX86_BUILTIN_FNMSUBPS): Ditto.
12597         (IX86_BUILTIN_FNMSUBPD): Ditto.
12598         (IX86_BUILTIN_PCMOV_V2DI): Ditto.
12599         (IX86_BUILTIN_PCMOV_V4SI): Ditto.
12600         (IX86_BUILTIN_PCMOV_V8HI): Ditto.
12601         (IX86_BUILTIN_PCMOV_V16QI): Ditto.
12602         (IX86_BUILTIN_PCMOV_V4SF): Ditto.
12603         (IX86_BUILTIN_PCMOV_V2DF): Ditto.
12604         (IX86_BUILTIN_PPERM): Ditto.
12605         (IX86_BUILTIN_PERMPS): Ditto.
12606         (IX86_BUILTIN_PERMPD): Ditto.
12607         (IX86_BUILTIN_PMACSSWW): Ditto.
12608         (IX86_BUILTIN_PMACSWW): Ditto.
12609         (IX86_BUILTIN_PMACSSWD): Ditto.
12610         (IX86_BUILTIN_PMACSWD): Ditto.
12611         (IX86_BUILTIN_PMACSSDD): Ditto.
12612         (IX86_BUILTIN_PMACSDD): Ditto.
12613         (IX86_BUILTIN_PMACSSDQL): Ditto.
12614         (IX86_BUILTIN_PMACSSDQH): Ditto.
12615         (IX86_BUILTIN_PMACSDQL): Ditto.
12616         (IX86_BUILTIN_PMACSDQH): Ditto.
12617         (IX86_BUILTIN_PMADCSSWD): Ditto.
12618         (IX86_BUILTIN_PMADCSWD): Ditto.
12619         (IX86_BUILTIN_PHADDBW): Ditto.
12620         (IX86_BUILTIN_PHADDBD): Ditto.
12621         (IX86_BUILTIN_PHADDBQ): Ditto.
12622         (IX86_BUILTIN_PHADDWD): Ditto.
12623         (IX86_BUILTIN_PHADDWQ): Ditto.
12624         (IX86_BUILTIN_PHADDDQ): Ditto.
12625         (IX86_BUILTIN_PHADDUBW): Ditto.
12626         (IX86_BUILTIN_PHADDUBD): Ditto.
12627         (IX86_BUILTIN_PHADDUBQ): Ditto.
12628         (IX86_BUILTIN_PHADDUWD): Ditto.
12629         (IX86_BUILTIN_PHADDUWQ): Ditto.
12630         (IX86_BUILTIN_PHADDUDQ): Ditto.
12631         (IX86_BUILTIN_PHSUBBW): Ditto.
12632         (IX86_BUILTIN_PHSUBWD): Ditto.
12633         (IX86_BUILTIN_PHSUBDQ): Ditto.
12634         (IX86_BUILTIN_PROTB): Ditto.
12635         (IX86_BUILTIN_PROTW): Ditto.
12636         (IX86_BUILTIN_PROTD): Ditto.
12637         (IX86_BUILTIN_PROTQ): Ditto.
12638         (IX86_BUILTIN_PROTB_IMM): Ditto.
12639         (IX86_BUILTIN_PROTW_IMM): Ditto.
12640         (IX86_BUILTIN_PROTD_IMM): Ditto.
12641         (IX86_BUILTIN_PROTQ_IMM): Ditto.
12642         (IX86_BUILTIN_PSHLB): Ditto.
12643         (IX86_BUILTIN_PSHLW): Ditto.
12644         (IX86_BUILTIN_PSHLD): Ditto.
12645         (IX86_BUILTIN_PSHLQ): Ditto.
12646         (IX86_BUILTIN_PSHAB): Ditto.
12647         (IX86_BUILTIN_PSHAW): Ditto.
12648         (IX86_BUILTIN_PSHAD): Ditto.
12649         (IX86_BUILTIN_PSHAQ): Ditto.
12650         (IX86_BUILTIN_FRCZSS): Ditto.
12651         (IX86_BUILTIN_FRCZSD): Ditto.
12652         (IX86_BUILTIN_FRCZPS): Ditto.
12653         (IX86_BUILTIN_FRCZPD): Ditto.
12654         (IX86_BUILTIN_CVTPH2PS): Ditto.
12655         (IX86_BUILTIN_CVTPS2PH): Ditto.
12656         (IX86_BUILTIN_COMEQSS): Ditto.
12657         (IX86_BUILTIN_COMNESS): Ditto.
12658         (IX86_BUILTIN_COMLTSS): Ditto.
12659         (IX86_BUILTIN_COMLESS): Ditto.
12660         (IX86_BUILTIN_COMGTSS): Ditto.
12661         (IX86_BUILTIN_COMGESS): Ditto.
12662         (IX86_BUILTIN_COMUEQSS): Ditto.
12663         (IX86_BUILTIN_COMUNESS): Ditto.
12664         (IX86_BUILTIN_COMULTSS): Ditto.
12665         (IX86_BUILTIN_COMULESS): Ditto.
12666         (IX86_BUILTIN_COMUGTSS): Ditto.
12667         (IX86_BUILTIN_COMUGESS): Ditto.
12668         (IX86_BUILTIN_COMORDSS): Ditto.
12669         (IX86_BUILTIN_COMUNORDSS): Ditto.
12670         (IX86_BUILTIN_COMFALSESS): Ditto.
12671         (IX86_BUILTIN_COMTRUESS): Ditto.
12672         (IX86_BUILTIN_COMEQSD): Ditto.
12673         (IX86_BUILTIN_COMNESD): Ditto.
12674         (IX86_BUILTIN_COMLTSD): Ditto.
12675         (IX86_BUILTIN_COMLESD): Ditto.
12676         (IX86_BUILTIN_COMGTSD): Ditto.
12677         (IX86_BUILTIN_COMGESD): Ditto.
12678         (IX86_BUILTIN_COMUEQSD): Ditto.
12679         (IX86_BUILTIN_COMUNESD): Ditto.
12680         (IX86_BUILTIN_COMULTSD): Ditto.
12681         (IX86_BUILTIN_COMULESD): Ditto.
12682         (IX86_BUILTIN_COMUGTSD): Ditto.
12683         (IX86_BUILTIN_COMUGESD): Ditto.
12684         (IX86_BUILTIN_COMORDSD): Ditto.
12685         (IX86_BUILTIN_COMUNORDSD): Ditto.
12686         (IX86_BUILTIN_COMFALSESD): Ditto.
12687         (IX86_BUILTIN_COMTRUESD): Ditto.
12688         (IX86_BUILTIN_COMEQPS): Ditto.
12689         (IX86_BUILTIN_COMNEPS): Ditto.
12690         (IX86_BUILTIN_COMLTPS): Ditto.
12691         (IX86_BUILTIN_COMLEPS): Ditto.
12692         (IX86_BUILTIN_COMGTPS): Ditto.
12693         (IX86_BUILTIN_COMGEPS): Ditto.
12694         (IX86_BUILTIN_COMUEQPS): Ditto.
12695         (IX86_BUILTIN_COMUNEPS): Ditto.
12696         (IX86_BUILTIN_COMULTPS): Ditto.
12697         (IX86_BUILTIN_COMULEPS): Ditto.
12698         (IX86_BUILTIN_COMUGTPS): Ditto.
12699         (IX86_BUILTIN_COMUGEPS): Ditto.
12700         (IX86_BUILTIN_COMORDPS): Ditto.
12701         (IX86_BUILTIN_COMUNORDPS): Ditto.
12702         (IX86_BUILTIN_COMFALSEPS): Ditto.
12703         (IX86_BUILTIN_COMTRUEPS): Ditto.
12704         (IX86_BUILTIN_COMEQPD): Ditto.
12705         (IX86_BUILTIN_COMNEPD): Ditto.
12706         (IX86_BUILTIN_COMLTPD): Ditto.
12707         (IX86_BUILTIN_COMLEPD): Ditto.
12708         (IX86_BUILTIN_COMGTPD): Ditto.
12709         (IX86_BUILTIN_COMGEPD): Ditto.
12710         (IX86_BUILTIN_COMUEQPD): Ditto.
12711         (IX86_BUILTIN_COMUNEPD): Ditto.
12712         (IX86_BUILTIN_COMULTPD): Ditto.
12713         (IX86_BUILTIN_COMULEPD): Ditto.
12714         (IX86_BUILTIN_COMUGTPD): Ditto.
12715         (IX86_BUILTIN_COMUGEPD): Ditto.
12716         (IX86_BUILTIN_COMORDPD): Ditto.
12717         (IX86_BUILTIN_COMUNORDPD): Ditto.
12718         (IX86_BUILTIN_COMFALSEPD): Ditto.
12719         (IX86_BUILTIN_COMTRUEPD): Ditto.
12720         (IX86_BUILTIN_PCOMEQUB): Ditto.
12721         (IX86_BUILTIN_PCOMNEUB): Ditto.
12722         (IX86_BUILTIN_PCOMLTUB): Ditto.
12723         (IX86_BUILTIN_PCOMLEUB): Ditto.
12724         (IX86_BUILTIN_PCOMGTUB): Ditto.
12725         (IX86_BUILTIN_PCOMGEUB): Ditto.
12726         (IX86_BUILTIN_PCOMFALSEUB): Ditto.
12727         (IX86_BUILTIN_PCOMTRUEUB): Ditto.
12728         (IX86_BUILTIN_PCOMEQUW): Ditto.
12729         (IX86_BUILTIN_PCOMNEUW): Ditto.
12730         (IX86_BUILTIN_PCOMLTUW): Ditto.
12731         (IX86_BUILTIN_PCOMLEUW): Ditto.
12732         (IX86_BUILTIN_PCOMGTUW): Ditto.
12733         (IX86_BUILTIN_PCOMGEUW): Ditto.
12734         (IX86_BUILTIN_PCOMFALSEUW): Ditto.
12735         (IX86_BUILTIN_PCOMTRUEUW): Ditto.
12736         (IX86_BUILTIN_PCOMEQUD): Ditto.
12737         (IX86_BUILTIN_PCOMNEUD): Ditto.
12738         (IX86_BUILTIN_PCOMLTUD): Ditto.
12739         (IX86_BUILTIN_PCOMLEUD): Ditto.
12740         (IX86_BUILTIN_PCOMGTUD): Ditto.
12741         (IX86_BUILTIN_PCOMGEUD): Ditto.
12742         (IX86_BUILTIN_PCOMFALSEUD): Ditto.
12743         (IX86_BUILTIN_PCOMTRUEUD): Ditto.
12744         (IX86_BUILTIN_PCOMEQUQ): Ditto.
12745         (IX86_BUILTIN_PCOMNEUQ): Ditto.
12746         (IX86_BUILTIN_PCOMLTUQ): Ditto.
12747         (IX86_BUILTIN_PCOMLEUQ): Ditto.
12748         (IX86_BUILTIN_PCOMGTUQ): Ditto.
12749         (IX86_BUILTIN_PCOMGEUQ): Ditto.
12750         (IX86_BUILTIN_PCOMFALSEUQ): Ditto.
12751         (IX86_BUILTIN_PCOMTRUEUQ): Ditto.
12752         (IX86_BUILTIN_PCOMEQB): Ditto.
12753         (IX86_BUILTIN_PCOMNEB): Ditto.
12754         (IX86_BUILTIN_PCOMLTB): Ditto.
12755         (IX86_BUILTIN_PCOMLEB): Ditto.
12756         (IX86_BUILTIN_PCOMGTB): Ditto.
12757         (IX86_BUILTIN_PCOMGEB): Ditto.
12758         (IX86_BUILTIN_PCOMFALSEB): Ditto.
12759         (IX86_BUILTIN_PCOMTRUEB): Ditto.
12760         (IX86_BUILTIN_PCOMEQW): Ditto.
12761         (IX86_BUILTIN_PCOMNEW): Ditto.
12762         (IX86_BUILTIN_PCOMLTW): Ditto.
12763         (IX86_BUILTIN_PCOMLEW): Ditto.
12764         (IX86_BUILTIN_PCOMGTW): Ditto.
12765         (IX86_BUILTIN_PCOMGEW): Ditto.
12766         (IX86_BUILTIN_PCOMFALSEW): Ditto.
12767         (IX86_BUILTIN_PCOMTRUEW): Ditto.
12768         (IX86_BUILTIN_PCOMEQD): Ditto.
12769         (IX86_BUILTIN_PCOMNED): Ditto.
12770         (IX86_BUILTIN_PCOMLTD): Ditto.
12771         (IX86_BUILTIN_PCOMLED): Ditto.
12772         (IX86_BUILTIN_PCOMGTD): Ditto.
12773         (IX86_BUILTIN_PCOMGED): Ditto.
12774         (IX86_BUILTIN_PCOMFALSED): Ditto.
12775         (IX86_BUILTIN_PCOMTRUED): Ditto.
12776         (IX86_BUILTIN_PCOMEQQ): Ditto.
12777         (IX86_BUILTIN_PCOMNEQ): Ditto.
12778         (IX86_BUILTIN_PCOMLTQ): Ditto.
12779         (IX86_BUILTIN_PCOMLEQ): Ditto.
12780         (IX86_BUILTIN_PCOMGTQ): Ditto.
12781         (IX86_BUILTIN_PCOMGEQ): Ditto.
12782         (IX86_BUILTIN_PCOMFALSEQ): Ditto.
12783         (IX86_BUILTIN_PCOMTRUEQ): Ditto.
12784         (enum multi_arg_type): New enum for describing the various SSE5
12785         intrinsic argument types.
12786         (bdesc_multi_arg): New table for SSE5 intrinsics.
12787         (ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support.
12788         (ix86_expand_multi_arg_builtin): New function for creating SSE5
12789         intrinsics.
12790         (ix86_expand_builtin): Add SSE5 intrinsic support.
12791         (ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4
12792         operand instructions.
12793         (ix86_expand_sse5_multiple_memory): New function to split the
12794         second memory reference from SSE5 instructions.
12795         (type_has_variadic_args_p): Delete in favor of stdarg_p.
12796         (ix86_return_pops_args): Use stdarg_p to determine if the function
12797         has variable arguments.
12798         (ix86_setup_incoming_varargs): Ditto.
12799         (x86_this_parameter): Ditto.
12801         * config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add
12802         declaration.
12803         (ix86_expand_sse5_pack): Ditto.
12804         (ix86_sse5_valid_op_p): Ditto.
12805         (ix86_expand_sse5_multiple_memory): Ditto.
12807         * config/i386/i386.md (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC
12808         constant for SSE5 support.
12809         (UNSPEC_SSE5_UNSIGNED_CMP): Ditto.
12810         (UNSPEC_SSE5_TRUEFALSE): Ditto.
12811         (UNSPEC_SSE5_PERMUTE): Ditto.
12812         (UNSPEC_SSE5_ASHIFT): Ditto.
12813         (UNSPEC_SSE5_LSHIFT): Ditto.
12814         (UNSPEC_FRCZ): Ditto.
12815         (UNSPEC_CVTPH2PS): Ditto.
12816         (UNSPEC_CVTPS2PH): Ditto.
12817         (PCOM_FALSE): Add new constant for true/false SSE5 comparisons.
12818         (PCOM_TRUE): Ditto.
12819         (COM_FALSE_S): Ditto.
12820         (COM_FALSE_P): Ditto.
12821         (COM_TRUE_S): Ditto.
12822         (COM_TRUE_P): Ditto.
12823         (type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types.
12824         (unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg
12825         types.
12826         (memory attribute): Ditto.
12827         (sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
12828         Use SSE4_1_ROUND_* constants instead of hard coded numbers.
12829         (rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
12830         (floor<mode>2): Ditto.
12831         (ceil<mode>2): Ditto.
12832         (btrunc<mode>2): Ditto.
12833         (nearbyintdf2): Ditto.
12834         (nearbyintsf2): Ditto.
12835         (sse_setccsf): Disable if SSE5.
12836         (sse_setccdf): Ditto.
12837         (sse5_setcc<mode>): New support for SSE5 conditional move.
12838         (sse5_pcmov_<mode>): Ditto.
12840         * config/i386/sse.md (SSEMODE1248): New mode iterator for SSE5.
12841         (SSEMODEF4): Ditto.
12842         (SSEMODEF2P): Ditto.
12843         (ssemodesuffixf4): New mode attribute for SSE5.
12844         (ssemodesuffixf2s): Ditto.
12845         (ssemodesuffixf2c): Ditto.
12846         (sserotatemax): Ditto.
12847         (ssescalarmode): Ditto.
12848         (sse_maskcmpv4sf3): Disable if SSE5.
12849         (sse_maskcmpv2df3): Ditto.
12850         (sse_vmmaskcmpv4sf3): Ditto.
12851         (sse5_fmadd<mode>4): Add SSE5 floating point multiply/add instructions.
12852         (sse5_vmfmadd<mode>4): Ditto.
12853         (sse5_fmsub<mode>4): Ditto.
12854         (sse5_vmfmsub<mode>4): Ditto.
12855         (sse5_fnmadd<mode>4): Ditto.
12856         (sse5_vmfnmadd<mode>4): Ditto.
12857         (sse5_fnmsub<mode>4): Ditto.
12858         (sse5_vmfnmsub<mode>4): Ditto.
12859         (sse5i_fmadd<mode>4): Ditto.
12860         (sse5i_fmsub<mode>4): Ditto.
12861         (sse5i_fnmadd<mode>4): Ditto.
12862         (sse5i_fnmsub<mode>4): Ditto.
12863         (sse5i_vmfmadd<mode>4): Ditto.
12864         (sse5i_vmfmsub<mode>4): Ditto.
12865         (sse5i_vmfnmadd<mode>4): Ditto.
12866         (sse5i_vmfnmsub<mode>4): Ditto.
12867         (mulv16qi3): Add SSE5 support.
12868         (mulv4si3): Ditto.
12869         (sse5_mulv4si3): New insn for 32-bit multiply support on SSE5.
12870         (sse2_mulv4si3): Disable if SSE5.
12871         (sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1.
12872         (sse4_1_roundps): Ditto.
12873         (sse4_1_roundsd): Ditto.
12874         (sse4_1_roundss): Ditto.
12875         (sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will
12876         be generated.
12877         (sse_maskcmpsf3): Ditto.
12878         (sse_vmmaskcmpv4sf3): Ditto.
12879         (sse2_maskcmpv2df3): Ditto.
12880         (sse2_maskcmpdf3): Ditto.
12881         (sse2_vmmaskcmpv2df3): Ditto.
12882         (sse2_eq<mode>3): Ditto.
12883         (sse2_gt<mode>3): Ditto.
12884         (sse5_pcmov_<mode>): Add SSE5 support.
12885         (vec_unpacku_hi_v16qi): Ditto.
12886         (vec_unpacks_hi_v16qi): Ditto.
12887         (vec_unpacku_lo_v16qi): Ditto.
12888         (vec_unpacks_lo_v16qi): Ditto.
12889         (vec_unpacku_hi_v8hi): Ditto.
12890         (vec_unpacks_hi_v8hi): Ditto.
12891         (vec_unpacku_lo_v8hi): Ditto.
12892         (vec_unpacks_lo_v8hi): Ditto.
12893         (vec_unpacku_hi_v4si): Ditto.
12894         (vec_unpacks_hi_v4si): Ditto.
12895         (vec_unpacku_lo_v4si): Ditto.
12896         (vec_unpacks_lo_v4si): Ditto.
12897         (sse5_pmacsww): New SSE5 intrinsic insn.
12898         (sse5_pmacssww): Ditto.
12899         (sse5_pmacsdd): Ditto.
12900         (sse5_pmacssdd): Ditto.
12901         (sse5_pmacssdql): Ditto.
12902         (sse5_pmacssdqh): Ditto.
12903         (sse5_pmacsdqh): Ditto.
12904         (sse5_pmacsswd): Ditto.
12905         (sse5_pmacswd): Ditto.
12906         (sse5_pmadcsswd): Ditto.
12907         (sse5_pmadcswd): Ditto.
12908         (sse5_pcmov_<move>): Conditional move support on SSE5.
12909         (sse5_phaddbw): New SSE5 intrinsic insn.
12910         (sse5_phaddbd): Ditto.
12911         (sse5_phaddbq): Ditto.
12912         (sse5_phaddwd): Ditto.
12913         (sse5_phaddwq): Ditto.
12914         (sse5_phadddq): Ditto.
12915         (sse5_phaddubw): Ditto.
12916         (sse5_phaddubd): Ditto.
12917         (sse5_phaddubq): Ditto.
12918         (sse5_phadduwd): Ditto.
12919         (sse5_phadduwq): Ditto.
12920         (sse5_phaddudq): Ditto.
12921         (sse5_phsubbw): Ditto.
12922         (sse5_phsubwd): Ditto.
12923         (sse5_phsubdq): Ditto.
12924         (sse5_pperm): Ditto.
12925         (sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5.
12926         (sse5_pperm_zero_v16qi_v8hi): Ditto.
12927         (sse5_pperm_sign_v8hi_v4si): Ditto.
12928         (sse5_pperm_zero_v8hi_v4si): Ditto.
12929         (sse5_pperm_sign_v4si_v2di): Ditto.
12930         (sse5_pperm_sign_v4si_v2di): Ditto.
12931         (sse5_pperm_pack_v2di_v4si): Ditto.
12932         (sse5_pperm_pack_v4si_v8hi): Ditto.
12933         (sse5_pperm_pack_v8hi_v16qi): Ditto.
12934         (sse5_perm<mode>): New SSE5 intrinsic insn.
12935         (rotl<mode>3): Ditto.
12936         (sse5_rotl<mode>3): Ditto.
12937         (sse5_ashl<mode>3): Ditto.
12938         (sse5_lshl<mode>3): Ditto.
12939         (sse5_frcz<mode>2): Ditto.
12940         (sse5s_frcz<mode>2): Ditto.
12941         (sse5_cvtph2ps): Ditto.
12942         (sse5_cvtps2ph): Ditto.
12943         (sse5_vmmaskcmp<mode>3): Ditto.
12944         (sse5_com_tf<mode>3): Ditto.
12945         (sse5_maskcmp<mode>3): Ditto.
12946         (sse5_maskcmp_uns<mode>3): Ditto.
12947         (sse5_maskcmp_uns2<mode>3): Ditto.
12948         (sse5_pcom_tf<mode>3): Ditto.
12950         * config/i386/predicates.md (sse5_comparison_float_operator):
12951         New predicate to match the comparison operators supported by
12952         the SSE5 com instruction.
12953         (ix86_comparison_int_operator): New predicate to match just the
12954         signed int comparisons.
12955         (ix86_comparison_uns_operator): New predicate to match just the
12956         unsigned int comparisons.
12958         * doc/invoke.texi (-msse5): Add documentation.
12959         (-mfused-madd): Ditto.
12961         * doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics.
12963         * config.gcc (i[34567]86-*-*): Include bmmintrin.h and
12964         mmintrin-common.h.
12965         (x86_64-*-*): Ditto.
12967         * config/i386/cpuid.h (bit_SSE5): Define SSE5 bit.
12969         * config/i386/bmmintrin.h: New file, provide common x86 compiler
12970         intrinisics for SSE5.
12972         * config/i386/smmintrin.h: Move instructions shared with SSE5 to
12973         mmintrin-common.h.
12975         * config/i386/mmintrin-common.h: New file, to contain common
12976         instructions between SSE4.1 and SSE5.
12978         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use
12979         FOREACH_FUNCTION_ARGS to iterate over the argument list.
12980         (gen_regparm_prefix): Ditto.
12982         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use
12983         FOREACH_FUNCTION_ARGS to iterate over the argument list.  Use
12984         prototype_p to determine if a function is prototyped.
12986 2009-08-25 Ville Voutilainen <ville.voutilainen@gmail.com>
12988         * c-common.c (c_common_reswords) add the alignof keyword,
12989         with same RID as __alignof and __alignof__
12991 2009-08-25  Anatoly Sokolov  <aesok@post.ru>
12993         * hooks.h (hook_bool_const_int_const_int_true): Declare.
12994         * hooks.c (hook_bool_const_int_const_int_true): New function.
12995         * target.h (struct gcc_target): Add can_eliminate field.
12996         * target-def.h (TARGET_CAN_ELIMINATE): Define.
12997         (TARGET_INITIALIZER): Use TARGET_CAN_ELIMINATE.
12998         * ira.c (setup_eliminable_regset): Use can_eliminate target hook.
12999         * reload1.c (update_eliminables, init_elim_table): (Ditto.).
13000         (elim_table): Revise comment.
13001         * system.h (CAN_ELIMINATE): Poison.
13002         * defaults.h (CAN_ELIMINATE): Remove.
13003         * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
13005         * config/alpha/vms.h (CAN_ELIMINATE): Remove macro.
13006         * config/alpha/alpha.c (TARGET_CAN_ELIMINATE) [TARGET_ABI_OPEN_VMS]:
13007         Define macro.
13008         (alpha_vms_can_eliminate): Declare as static, change return type to
13009         bool.
13010         * config/alpha/alpha-protos.h (alpha_vms_can_eliminate): Remove.
13012         * config/arm/arm.h (CAN_ELIMINATE): Remove macro.
13013         * config/arm/arm.c (TARGET_CAN_ELIMINATE): Define macro.
13014         (arm_can_eliminate): New function.
13016         * config/avr/avr.h (CAN_ELIMINATE): Remove macro.
13017         * config/avr/avr.c (TARGET_CAN_ELIMINATE): Define macro.
13018         (avr_can_eliminate): Declare as static.
13019         * config/avr/avr-protos.h (avr_can_eliminate): Remove.
13021         * config/bfin/bfin.h (CAN_ELIMINATE): Remove macro.
13022         * config/bfin/bfin.c (TARGET_CAN_ELIMINATE): Define macro.
13023         (bfin_can_eliminate): New function.
13025         * config/crx/crx.h (CAN_ELIMINATE): Remove macro.
13026         * config/crx/crx.c (TARGET_CAN_ELIMINATE): Define macro.
13027         (crx_can_eliminate): New function.
13029         * config/fr30/fr30.h (CAN_ELIMINATE): Remove macro.
13030         * config/fr30/fr30.c (TARGET_CAN_ELIMINATE): Define macro.
13031         (fr30_can_eliminate): New function.
13033         * config/frv/frv.h (CAN_ELIMINATE): Remove macro.
13034         * config/frv/frv.c (TARGET_CAN_ELIMINATE): Define macro.
13035         (frv_can_eliminate): New function.
13037         * config/h8300/h8300.h (CAN_ELIMINATE): Remove macro.
13038         * config/h8300/h8300.c (TARGET_CAN_ELIMINATE): Define macro.
13039         (h8300_can_eliminate): New function.
13041         * config/i386/i386.h (CAN_ELIMINATE): Remove macro.
13042         * config/i386/i386.c (TARGET_CAN_ELIMINATE): Define macro.
13043         (i386_can_eliminate): Declare as static, change return type to bool.
13044         * config/i386/i386-protos.h (i386_can_eliminate): Remove.
13046         * config/ia64/ia64.h (CAN_ELIMINATE): Remove macro.
13047         * config/ia64/ia64.c (TARGET_CAN_ELIMINATE): Define macro.
13048         (ia64_can_eliminate): New function.
13050         * config/iq2000/iq2000.h (CAN_ELIMINATE): Remove macro.
13051         * config/iq2000/iq2000.c (TARGET_CAN_ELIMINATE): Define macro.
13052         (iq2000_can_eliminate): New function.
13054         * config/m32r/m32r.h (CAN_ELIMINATE): Remove macro.
13055         * config/m32r/m32r.c (TARGET_CAN_ELIMINATE): Define macro.
13056         (m32r_can_eliminate): New function.
13058         * config/m68hc11/m68hc11.h (CAN_ELIMINATE): Remove macro.
13059         * config/m68hc11/m68hc11.c (TARGET_CAN_ELIMINATE): Define macro.
13060         (m68hc11_can_eliminate): New function.
13062         * config/m68k/m68k.h (CAN_ELIMINATE): Remove macro.
13063         * config/m68k/m68k.c (TARGET_CAN_ELIMINATE): Define macro.
13064         (m68k_can_eliminate): New function.
13066         * config/mep/mep.h (CAN_ELIMINATE): Remove macro.
13067         * config/mep/mep.c (TARGET_CAN_ELIMINATE): Define macro.
13068         (mep_can_eliminate): New function.
13070         * config/mips/mips.h (CAN_ELIMINATE): Remove macro.
13071         * config/mips/mips.c (TARGET_CAN_ELIMINATE): Define macro.
13072         (mips_can_eliminate): New function.
13074         * config/rs6000/rs6000.h (CAN_ELIMINATE): Remove macro.
13075         * config/rs6000/rs6000.c (TARGET_CAN_ELIMINATE): Define macro.
13076         (rs6000_can_eliminate): New function.
13078         * config/s390/s390.h (CAN_ELIMINATE): Remove macro.
13079         * config/s390/s390.c (TARGET_CAN_ELIMINATE): Define macro.
13080         (s390_can_eliminate): Declare as static.
13081         * config/s390/s390-protos.h (sparc_can_eliminate): Remove.
13083         * config/score/score.h (CAN_ELIMINATE): Remove macro.
13084         * config/score/score.c (TARGET_CAN_ELIMINATE): Define macro.
13085         (score_can_eliminate): New function.
13087         * config/sparc/sparc.h (CAN_ELIMINATE): Remove macro.
13088         * config/sparc/sparc.c (TARGET_CAN_ELIMINATE): Define macro.
13089         (sparc_can_eliminate): Declare as static.
13090         * config/sparc/sparc-protos.h (sparc_can_eliminate): Remove.
13092         * config/stormy16/stormy16.h (CAN_ELIMINATE): Remove macro.
13093         * config/stormy16/stormy16.c (TARGET_CAN_ELIMINATE): Define macro.
13094         (xstormy16_can_eliminate): New function.
13096         * config/v850/v850.h (CAN_ELIMINATE): Remove macro.
13097         * config/v850/v850.c (TARGET_CAN_ELIMINATE): Define macro.
13098         (v850_can_eliminate): New function.
13100 2009-08-25  Uros Bizjak  <ubizjak@gmail.com>
13102         * config/alpha/alpha.md (*cmpdf_ieee_ext[123]): Remove.
13103         (*cmpdf_internal): Enable for all ALPHA_FPTM levels.
13104         (*movdfcc_ext[1234]): Disable for IEEE mode.
13106 2009-08-25  Eric Botcazou  <ebotcazou@adacore.com>
13108         * gimplify.c (prepare_gimple_addressable): New static function.
13109         (gimplify_modify_expr_to_memcpy): Invoke it on the RHS before marking
13110         it addressable.
13111         (gimplify_addr_expr): Invoke it similarly on the operand instead of
13112         manually fiddling with it.
13114 2009-08-25  Michael Matz  <matz@suse.de>
13116         * expr.h (jumpifnot_1, jumpif_1, do_jump_1): Declare.
13117         * dojump.c (do_jump_by_parts_greater): Take two operands instead of
13118         full expression.
13119         (do_jump_by_parts_equality, do_compare_and_jump): Ditto.
13120         (jumpifnot_1, jumpif_1): New wrappers for do_jump_1.
13121         (do_jump): Split out code for simple binary comparisons into ...
13122         (do_jump_1): ... this, taking the individual operands and code.
13123         Change callers to helper function above accordingly.
13124         * expr.c (expand_expr_real_1): Use jumpifnot_1 for simple binary
13125         comparisons.
13127 2009-08-25  Michael Matz  <matz@suse.de>
13129         * expr.h (struct separate_ops, sepops): New type for passing
13130         around an exploded simple expression.
13131         * optabs.c (expand_widen_pattern_expr, expand_vec_shift_expr):
13132         Use this structure instead of expression tree.
13133         (get_vcond_icode, expand_vec_cond_expr_p): Don't take whole
13134         expression, only its type.
13135         (expand_vec_cond_expr): Take type and individual operands instead
13136         of full expression.
13137         * optabs.h (expand_widen_pattern_expr, expand_vec_cond_expr,
13138         expand_vec_shift_expr): Change prototype accordingly.
13139         * tree-vect-stmts.c (vectorizable_condition): Change call of
13140         expand_vec_cond_expr_p to pass only type.
13141         * expr.c (do_store_flags): Change prototype and implementation
13142         to take an exploded expression.
13143         (expand_expr_real_1): New local ops initialized with details
13144         of the full expression.  Use it instead of full
13145         expression in calls to do_store_flags, expand_vec_cond_expr,
13146         expand_widen_pattern_expr and expand_vec_shift_expr.
13148 2009-08-25  Michael Matz  <matz@suse.de>
13150         * expr.c (expand_expr_real_1): New local treeop0, treeop1,
13151         treeop2 initialized with first three operands of the full expression.
13152         Substitute all TREE_OPERAND (exp, [012]) calls with them.
13154 2009-08-25  Kai Tietz  <kai.tietz@onevision.com>
13156         * gcc/gthr-win32.h (__UNUSED_PARAM): Define, if not already present.
13157         (__gthread_objc_condition_allocate): Mark arguments as unused.
13158         (__gthread_objc_condition_deallocate): Likewise.
13159         (__gthread_objc_condition_wait): Likewise.
13160         (__gthread_objc_condition_broadcast): Likewise.
13161         (__gthread_objc_condition_signal): Likewise.
13162         (__gthread_objc_thread_detach): Cast via INT_PTR to pointer.
13163         (__gthread_objc_thread_id): Likewise.
13165 2009-08-25  Janus Weil  <janus@gcc.gnu.org>
13167         PR middle-end/41149
13168         * tree-pretty-print.c (print_call_name): Print the correct call name
13169         for procedure pointer components.
13171 2009-08-24  Steve Ellcey  <sje@cup.hp.com>
13173         * config/ia64/ia64.c (ia64_promote_function_mode): Call
13174         default_promote_function_mode when not VMS.
13176 2009-08-24  Olivier Hainque  <hainque@adacore.com>
13178         * convert.c (convert_to_integer): Don't assume an input pointer is
13179         POINTER_SIZE wide.  Fetch from the type instead.
13181 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13183         * configure.ac (AC_PREREQ): Bump to 2.64.
13185 2009-08-24  Rafael Avila de Espindola  <espindola@google.com>
13187         * gcc.c (standard_exec_prefix_1,standard_exec_prefix_2): Remove.
13188         (process_command): Don't search standard_exec_prefix_1 and
13189         standard_exec_prefix_2.
13191 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
13193         * config/arm/arm.c (output_return_instruction): Handle for
13194         unified syntax.
13196 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
13198         * config/arm/arm.c (arm_select_cc_mode): Handle subreg.
13200 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
13202         * config/arm/vfp.md (*arm_movdi_vfp): Mark as predicable.
13203         (*arm_movdf_vfp): Likewise.
13205 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
13207         * config/arm/neon.md (vashl<mode>3): Rename from ashl<mode>3.
13208         (vashr<mode>3): Rename from ashr<mode>3.
13209         (vlshr<mode>3): Rename from lshr<mode>3.
13211 2009-08-24  Kai Tietz  <kai.tietz@onevision.com>
13213         PR/40786
13214         * c-format.c (format_wanted_type): Add new member scalar_identity_flag.
13215         (check_format_info_main): Use scalar_identify_flag.
13216         (check_format_types): Check for scalar size identity if
13217         scalar_identify_flag is set.
13218         (printf_length_specs): Extend by new field.
13219         (asm_fprintf_length_specs): Likewise.
13220         (gcc_diag_length_specs): Likewise.
13221         (scanf_length_specs): Likewise.
13222         (strfmon_length_specs): Likewise.
13223         (gcc_gfc_length_specs): Likewise.
13224         * config/i386/msformat-c.c (ms_printf_length_specs): Likewise.
13225         (ms_printf_flag_specs): Likewise.
13226         * c-format.h (format_length_info): Add new member scalar_identity_flag.
13228 2009-08-23  Uros Bizjak  <ubizjak@gmail.com>
13230         PR target/40718
13231         * config/i386/i386.c (*call_pop_1): Disable for sibling calls.
13232         (*call_value_pop_1): Ditto.
13233         (*sibcall_pop_1): New insn pattern.
13234         (*sibcall_value_pop_1): Ditto.
13236 2009-08-23  Alan Modra  <amodra@bigpond.net.au>
13238         PR target/41081
13239         * config/rs6000/rs6000.md (rotlsi3_64, ashlsi3_64, lshrsi3_64,
13240         ashrsi3_64): New.
13242 2009-08-23  Alan Modra  <amodra@bigpond.net.au>
13244         PR target/41081
13245         * fwprop.c (try_fwprop_subst): Allow multiple sets.
13246         (get_reg_use_in): New function.
13247         (forward_propagate_subreg): Propagate through subreg of zero_extend
13248         or sign_extend.
13250 2009-08-22  Kaz Kojima  <kkojima@gcc.gnu.org>
13252         * config/sh/t-sh (TARGET_LIBGCC2_CFLAGS): Define.
13253         * config/sh/t-netbsd (TARGET_LIBGCC2_CFLAGS): Add -mieee.
13255 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13257         * configure.ac: Remove --with-datarootdir, --with-docdir,
13258         --with-htmldir switches.  No need to call AC_SUBST for
13259         datarootdir, docdir, htmldir any more.
13260         * configure: Regenerate.
13261         * doc/install.texi (Configuration): Document --datarootdir,
13262         --docdir, --htmldir, --pdfdir; update documentation for
13263         --infodir, --mandir.
13264         (Prerequisites): Bump Autoconf version to 2.64, Automake to 1.11,
13265         M4 to 1.4.6.
13267         * aclocal.m4: Regenerate.
13268         * config.in: Regenerate.
13269         * configure: Regenerate.
13271 2009-08-21  Douglas B Rupp  <rupp@gnat.com>
13272             Olivier Hainque  <hainque@adacore.com>
13274         * config/ia64/ia64.c: Include libfuncs.h.
13275         (TARGET_PROMOTE_FUNCITON_MODE): Define target macro.
13276         (ia64_expand_call): Use reg 25 on VMS.
13277         (ia64_initialize_trampoline): Fix for VMS ABI.
13278         (ia64_function_arg_offset): Always returns 0 when TARGET_ABI_OPEN_VMS.
13279         (ia64_function_arg): Initialize reg 25 on VMS.
13280         Fix OpenVMS ABI issues for varargs.
13281         For OpenVMS, emit the Argument Information register set in the
13282         incoming/sibcall case as well.
13283         (ia64_arg_type): New function.
13284         (ia64_function_arg_advance): Keep track of cum->words.
13285         Fix OpenVMS ABI issues for varargs.
13286         (ia64_function_value): On VMS, promote mode of non-aggregate types.
13287         (ia64_override_options): Set flag_no_common on VMS.
13288         (ia64_init_builtins): Disable FWRITE builtin.
13289         (ia64_asm_output_external): Call DO_CRTL_NAMES.
13290         (ia64_vms_init_libfuncs): Add decc$ routines.
13291         (ia64_vms_valid_pointer_mode): New function.
13292         (ia64_struct_value_rtx): Allways NULL_RTX on VMS.
13293         (ia64_promote_function_mode): New function
13294         * config/ia64/ia64.h (TARGET_ABI_OPEN_VMS): Define as 0 for default.
13295         (LONG_DOUBLE_TYPE_SIZE): Force to 64 on VMS.
13296         (LIBCGC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
13297         (INIT_CUMULATIVE_ARGS): Add atypes for VMS.
13298         (INIT_CUMULATIVE_INCOMING_ARGS): Likewise.
13299         (ASM_OUTPUT_DEF): Use ISDIGIT instead of isdigit.
13300         Suppress trailing '#' if VALUE is numeric.
13301         * config/ia64/vms.h (PROMOTE_FUNCTION_MODE): Remove, code moved to
13302         ia64_promote_function_mode.
13303         (TARGET_VALID_POINTER_MODE): Define.
13305 2009-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
13307         PR target/40671
13308         * config/rs6000/rs6000.c (rs6000_override_options): Use
13309         TARGET_64BIT instead of TARGET_POWERPC64 to set the size of pointers.
13311         PR target/41145
13312         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Fix
13313         reporting of vector + decimal/boolean/complex error.
13315 2009-08-21  Jakub Jelinek  <jakub@redhat.com>
13317         * config/rs6000/rs6000.c (rs6000_init_builtins): Fix type of
13318         __vector double TYPE_DECL.
13320 2009-08-21  Richard Earnshaw  <rearnsha@arm.com>
13322         * arm.h (MACHMODE): New define.  Include insn-modes.h if available.
13323         (CUMULATIVE_ARGS): Use MACHMODE for declaration of aapcs_vfp_mode.
13324         * arm.c (aapcs_vfp_is_call_or_return_candidate): Change base_mode
13325         to pointer to enum machine_mode.  Update all callers as needed.
13327 2009-08-21  Uros Bizjak  <ubizjak@gmail.com>
13329         * config/alpha/alpha.md (exception_receiver): Emit alternative
13330         GP load sequence if flag_reorder_blocks_and_partition is set.
13331         (*exception_receiver_2): Also enable when
13332         flag_reorder_blocks_and_partition is set.
13334 2009-08-20  Matt Rice  <ratmice@gmail.com>
13335             Diego Novillo  <dnovillo@google.com>
13337         * Makefile.in (PLUGIN_HEADERS): Include incpath.h and
13338         tree-ssa-sccvn.h.
13340 2009-08-20  Richard Guenther  <rguenther@suse.de>
13342         * c-objc-common.h (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Do not define.
13343         * c-tree.h (c_dup_lang_specific_decl): Remove.
13344         (struct lang_decl, struct lang_type): Move definitions ...
13345         * c-lang.h: ... here.  New file.
13346         * c-decl.c: Include c-lang.h.
13347         (c_dup_lang_specific_decl): Remove.
13348         * c-typeck.c: Include c-lang.h.
13349         * Makefile.in (c-decl.o): Add c-lang.h dependency.
13350         (c-typeck.o): Likewise.
13351         * c-config-lang.in (gtfiles): Add c-lang.h.
13352         * gengtype.c (get_output_file_with_visibility): Handle c-lang.h
13353         like c-tree.h.
13355 2009-08-20  Uros Bizjak  <ubizjak@gmail.com>
13357         * config/alpha/alpha.c (alpha_end_function): Do not clear
13358         crtl->emit structure and free insn locators if cfun->is_thunk is true,
13359         this is now handled in generic code.
13361 2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>
13363         * config/s390/s390.c (Z10_PREDICT_DISTANCE): New macro.
13364         (s390_z10_fix_long_loop_prediction): New function.
13365         (s390_z10_optimize_cmp): INSN walk moved to callee - s390_reorg.
13366         (s390_reorg): Walk over the INSNs and invoke
13367         s390_z10_fix_long_loop_prediction and s390_z10_optimize_cmp.
13369 2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>
13371         * config/s390/s390.md ("*brx_stage1_<GPR:mode>", "*brxg_64bit",
13372         "*brx_64bit", "*brx_31bit"): New patterns.
13373         * config/s390/s390.c ('E'): New output modifier.
13375 2009-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
13376             Richard Earnshaw  <richard.earnshaw@arm.com>
13378         * config/arm/arm.c (arm_emit_movpair): Handle CONST_INT.
13379         * config/arm/arm.md (*arm_movtas_ze): New pattern for movt.
13381 2009-08-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13383         * pa.md (reload_inhi, reload_outhi, reload_inqi, reload_outqi): New
13384         patterns.
13385         * pa.c (emit_move_sequence): Check if address of operand1 is valid
13386         for mode mode of operand0 when doing secondary reload for SAR.
13388 2009-08-19  Jakub Jelinek  <jakub@redhat.com>
13390         PR middle-end/41123
13391         * expr.c (expand_expr_real_1) <normal_inner_ref>: Handle all kinds
13392         of CONCAT, not just bitpos 0 bitsize size of the whole CONCAT.
13394 2009-08-19  Jason Merrill  <jason@redhat.com>
13396         * doc/invoke.texi (C++ Dialect Options): Note change of minimum
13397         supported template depth in C++0x.
13399 2009-08-19  Jakub Jelinek  <jakub@redhat.com>
13401         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Don't call
13402         free_after_compilation.
13403         * config/score/score7.c (score7_output_mi_thunk): Likewise.
13404         * config/score/score3.c (score3_output_mi_thunk): Likewise.
13405         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
13406         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
13407         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
13408         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
13409         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
13411 2009-08-19  Ian Lance Taylor  <iant@google.com>
13413         * doc/md.texi (Insn Canonicalizations): Correct canonicalization
13414         of (plus (mult (neg B) C) A).
13416 2009-08-18  Michael Matz  <matz@suse.de>
13418         * omp-low.c (optimize_omp_library_calls): Use types_compatible_p
13419         instead of comparing TYPE_MAIN_VARIANT for equality.
13420         * tree-vect-patterns.c (vect_recog_dot_prod_pattern,
13421         vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern): Ditto.
13422         * tree-vect-loop.c (vect_is_simple_reduction): Ditto.
13423         * gimplify.c (goa_lhs_expr_p): Ditto and use
13424         STRIP_USELESS_TYPE_CONVERSION.
13426 2009-08-18  Michael Matz  <matz@suse.de>
13428         * tree-ssa-structalias.c (create_variable_info_for): Also mark
13429         first field in a struct.
13430         (intra_create_variable_infos): Don't deal with flag_argument_noalias.
13432 2009-08-18  Uros Bizjak  <ubizjak@gmail.com>
13434         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
13435         locators before emit_insn is called.  Remove assert that
13436         cfun->is_thunk.
13437         (alpha_end_function): Clear crtl->emit structure and free insn
13438         locators if cfun->is_thunk is true.
13440 2009-08-18  Jason Merrill  <jason@redhat.com>
13442         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
13443         type if available.
13444         * configure.ac: Test for it.
13445         * configure, config.in: Regenerate.
13446         * doc/install.texi: Document --enable-gnu-unique-object.
13448 2009-08-18  Richard Guenther  <rguenther@suse.de>
13450         PR middle-end/41094
13451         * builtins.c (fold_builtin_pow): Fold pow(pow(x,y),z) to
13452         pow(x,y*z) only if x is nonnegative.
13454 2009-08-18  Jakub Jelinek  <jakub@redhat.com>
13456         * bb-reorder.c (fix_up_fall_thru_edges): Only call invert_jump
13457         on jumps.
13459         PR target/40971
13460         * config/rs6000/rs6000.c (rs6000_legitimize_address): For
13461         [DT][FDI]mode ensure the offset isn't 4/8/12 bytes below 0x8000.
13463 2009-08-17  DJ Delorie  <dj@redhat.com>
13465         * config/m32c/m32c.md (UNS_FSETB, UNS_FREIT): New.
13466         * config/m32c/prologue.md (epilogue_freit): New.
13467         (fset_b): New.
13468         * config/m32c/m32c.c (m32c_function_needs_enter): Add prototype.
13469         (bank_switch_p): Likewise.
13470         (fast_interrupt_p): Likewise.
13471         (interrupt_p): Likewise.
13472         (m32c_conditional_register_usage): Round memregs size up.
13473         (need_to_save): We only need to save $a0 when we use ENTER.
13474         (interrupt_p): Check for fast_interrupt too.
13475         (bank_switch_p): New.
13476         (fast_interrupt_p): New.
13477         (m32c_attribute_table): Add bank_switch and fast_interrupt.
13478         (m32c_emit_prolog): Support bank switching and fast interrupts.
13479         * doc/extend.texi (Function Attributes): Add bank_switch and
13480         fast_interrupt.
13482 2009-08-17  Douglas B Rupp  <rupp@gnat.com>
13484         * config/alpha/alpha.c (vms_valid_pointer_mode): New function.
13485         * config/alpha/vms.h (TARGET_VALID_POINTER_MODE): Define.
13487 2009-08-16  Douglas B Rupp  <rupp@gnat.com>
13489         * doc/invoke.texi (Target options): Add new option list for IA-64/VMS.
13490         (menu): Add IA-64/VMS Options.
13491         (IA-64/VMS Options): Likewise.
13493 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
13495         PR target/38599
13496         * config/mips/mips.md (*lwxs): Use :P for pointer values.
13498 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
13500         * config/mips/mips-protos.h (mips_push_asm_switch): New function.
13501         (mips_pop_asm_switch): Likewise.
13502         * config/mips/mips.c (set_noreorder, set_nomacro, set_noat): Replace
13503         with...
13504         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
13505         (mips_push_asm_switch_1, mips_pop_asm_switch_1): New functions.
13506         (mips_push_asm_switch, mips_pop_asm_switch): Likewise.
13507         (mips_print_operand_punctuation): Use them.  Check mips_noreorder
13508         instead of set_noreorder.
13509         (mips_output_function_prologue): Use the new functions.
13510         (mips_output_function_epilogue): Likewise.
13511         (mips_need_noat_wrapper_p): New function, split out from...
13512         (mips_final_prescan_insn, mips_final_postscan_insn): ...here.
13513         Use mips_push_asm_switch and mips_pop_asm_switch.
13514         * config/mips/mips.h (FUNCTION_PROFILER): Use mips_push_asm_switch
13515         and mips_pop_asm_switch.
13516         (ASM_OUTPUT_REG_POP): Likewise.
13517         (DBR_OUTPUT_SEQEND): Remove boilerplate comment.
13518         Use mips_pop_asm_switch.
13519         (mips_asm_switch): New structure.
13520         (set_noreorder, set_nomacro): Replace with...
13521         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
13522         * config/mips/mips.md (fix_truncdfsi2_macro): Use mips_nomacro
13523         instead of set_nomacro.
13524         (fix_truncsfsi2_macro): Likewise.
13525         (cprestore): Likewise.
13526         (hazard): Use mips_noreorder instead of set_noreorder.
13527         * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
13529 2009-08-16  Uros Bizjak  <ubizjak@gmail.com>
13531         * config/alpha/alpha.c (alpha_end_function): Handle NULL_RTX returned
13532         from prev_active_insn.
13534 2009-08-16  Anatoly Sokolov  <aesok@post.ru>
13536         * config/avr/avr.h (AVR_HAVE_8BIT_SP): New macros.
13537         * config/avr/avr.c (avr_override_options): Initialize
13538         avr_current_arch variable.
13539         (avr_cpu_cpp_builtins): Define __AVR_HAVE_8BIT_SP__ or
13540         __AVR_HAVE_16BIT_SP__ according to the device type.
13541         (expand_prologue, output_movhi): Use AVR_HAVE_8BIT_SP instead of
13542         TARGET_TINY_STACK.
13543         (expand_epilogue): Use correct QI mode frame pointer for tiny stack.
13544         Use AVR_HAVE_8BIT_SP instead of TARGET_TINY_STACK.
13546 2009-08-16  Dodji Seketeli  <dodji@redhat.com>
13548         PR debug/37801
13549         * gcc/dwarf2out.c (gen_inlined_subroutine_die): Concentrate on
13550         generating inlined subroutine die only. We shouldn't be
13551         called for anything else.
13552         (gen_block_die): Don't generate inline subroutine debug info for
13553         abstract blocks.
13555 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
13557         * graphite-poly.c (print_pbb): Print PBB index.
13559 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
13561         PR middle-end/40981
13562         * graphite-interchange.c (ppl_max_for_le): Moved...
13563         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
13564         * graphite-ppl.c (ppl_max_for_le): ... here.  Correct the use of
13565         ppl_Pointset_Powerset_C_Polyhedron_maximize.
13566         * graphite-ppl.h (ppl_max_for_le): Declared.
13568 2009-08-14  Olatunji Ruwase <tjruwase@google.com>
13570         * doc/extend.texi (Symbol-Renaming Pragmas): redefine_extname is
13571         supported on all platforms.
13572         * target.h (struct gcc_target): Remove handle_pragma_redefine_extname.
13573         * c-cppbuiltin.c: Remove use of targetm.handle_pragma_redefine_extname.
13574         * c-pragma.c: Likewise.
13575         * target-def.h (TARGET_INITIALIZER): Remove
13576         TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
13577         * config/sol2.h: Remove use of TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
13579 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
13581         * config/ia64/fde-vms.c: New file.
13582         * config/ia64/fde-glibc.c (_Unwind_FindTableEntry): Add dummy arg.
13583         * config/ia64/unwind-ia64.c (UNW_ accessors): Move to unwind-ia64.h
13584         (MD_UNW_COMPATIBLE_PERSONALITY_P): Provide default.
13585         (uw_frame_state_for): Only register a personality routine if it is
13586         known to be compatible with our expectations.
13587         (_Unwind_FindEnclosingFunction, uw_frame_state_for):
13588         Declare unw_table_entry stack variable and
13589         mod all calls to _Unwind_FindTableEntry to add arg.
13590         * config/ia64/unwind-ia64.h (UNW_ accessors): Move here.
13591         (_Unwind_FindTableEntry): Add arg to prototype.
13593 2009-08-14  Eric Botcazou  <ebotcazou@adacore.com>
13595         * config/ia64/unwind-ia64.c (struct _Unwind_Context): Add new
13596         field 'signal_pfs_loc'.
13597         (uw_frame_state_for): Remove duplicate code dealing with leaf
13598         procedures without unwind info.
13599         If in the frame after unwinding through a signal handler, restore
13600         the AR.PFS register instead of the CFM if AR.PFS has not been saved.
13601         * config/ia64/linux-unwind.h (ia64_fallback_frame_state): Do not set
13602         'pfs_loc' to the AR.PFS location in the signal context; instead
13603         set 'signal_pfs_loc'.
13604         Manually generate the unwind info for the AR.PFS register.
13605         (ABI_MARKER_OLD_LINUX_SIGTRAMP, ABI_MARKER_OLD_LINUX_INTERRUPT,
13606         ABI_MARKER_LINUX_SIGTRAMP, ABI_MARKER_LINUX_INTERRUPT): Define.
13607         (ia64_handle_unwabi): Test 'fs->unwabi' against them.
13608         Do not set 'pfs_loc' to the AR.PFS location in the signal context;
13609         instead set 'signal_pfs_loc'.
13610         Remove code preventing the AR.PFS register from being restored
13611         from the signal context.
13613 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
13614             Tristan Gingold  <gingold@adacore.com>
13616         * config.gcc (ia64-hp-*vms*): Insert ia64/t-ia64 in tmake_file.
13617         * config/ia64/t-vms: New file.
13618         * config/ia64/vms64.h: New file.
13619         * config/ia64/vms.h: New file.
13620         * config/ia64/vms-crtinit.asm: New file.
13621         * config/ia64/vms_symvec_libgcc_s.opt: New file.
13622         * config/ia64/vms-unwind.h: New file.
13624 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
13626         * config/alpha/alpha.c (alpha_emit_conditional_move): Handle
13627         TFmode compares.
13629 2009-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13631         PR middle-end/30789
13632         * builtins.c (do_mpc_arg2): Make extern, define for any MPC version.
13633         Move declaration...
13634         * real.h (do_mpc_arg2): ... here.
13635         * fold-const.c (const_binop): Use MPC for complex MULT_EXPR
13636         and RDIV_EXPR.
13638 2009-08-14  Rafael Avila de Espindola  <espindola@google.com>
13640         * final.c (add_debug_prefix_map): Don't use GC memory for
13641         old_prefix and new_prefix.
13643 2009-08-14  Richard Guenther  <rguenther@suse.de>
13645         * ipa-prop.c (compute_complex_pass_through): If we cannot
13646         compute a non-varying offset for IPA_JF_ANCESTOR punt.
13648 2009-08-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
13650         * c-lex.c (c_lex_with_flags): Increase size of local variable
13651         to avoid memory clobber.
13653 2009-08-14  Paolo Bonzini  <bonzini@gnu.org>
13655         PR target/40934
13656         * config/i386/i386.c (ix86_fp_comparison_strategy):
13657         Only enable/disable sahf at function granularity.
13659 2009-08-14  Hans-Peter Nilsson  <hp@axis.com>
13661         PR rtl-optimization/41064
13662         * reload1.c (reload_as_needed): Don't call extract_insn
13663         for known invalid replacements after calling
13664         validate_replace_rtx_group and verify_changes.
13666 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
13668         PR target/41019
13669         * config/i386/sse.md (SSEMODE124C8): New mode iterator.
13670         (vcond<SSEMODEF2P:mode>): Assert that operation is supported by
13671         ix86_expand_fp_vcond.
13672         (vcond<SSEMODE124C8:mode>): Use SSEMODE124C8 instead of SSEMODE124.
13673         Assert that operation is supported by ix86_expand_int_vcond.
13674         (vcondu<SSEMODE124C8:mode>): Ditto.
13676 2009-08-13  DJ Delorie  <dj@redhat.com>
13678         * config/i386/djgpp-stdint.h: New.
13679         * config.gcc (djgpp): Use it.
13681 2009-08-13  Kaz Kojima  <kkojima@gcc.gnu.org>
13683         * config/sh/sh.c (sh_override_options): When flag_exceptions or
13684         flag_unwind_tables is on, turn flag_reorder_blocks_and_partition off.
13686 2009-08-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
13688         * tree-ssa-loop-prefetch.c
13689         (prune_ref_by_group_reuse): Enhance probabilistic analysis
13690         for long-stride pruning.
13691         (compute_miss_rate): New function to compute the probability
13692         that two memory references access different cache lines.
13694 2009-08-13  Dave Korn  <dave.korn.cygwin@gmail.com>
13696         * gcc/config/i386/cygwin.h (LINK_SPEC): Add --enable-auto-image-base.
13698 2009-08-13  Richard Guenther  <rguenther@suse.de>
13700         PR middle-end/41047
13701         * tree-ssa-ccp.c (ccp_fold): When folding pointer additions
13702         use the constant pointer type.
13703         * gimplify.c (canonicalize_addr_expr): Canonicalize independent
13704         of CV qualifiers on the target pointer type.
13705         * tree-ssa.c (useless_type_conversion_p): Move incomplete pointer
13706         conversion check before restrict check.
13708 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
13710         PR target/41029
13711         * config/sh/sh.md (reload_outdf__RnFRm+4): Fix thinko.
13713 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
13715         * config/sh/sh.c (sh_promote_function_mode): Add ATTRIBUTE_UNUSED.
13717 2009-08-12  Richard Guenther  <rguenther@suse.de>
13719         PR tree-optimization/41011
13720         * ipa-cp.c (ipcp_lattice_from_jfunc): Deal with failing fold
13721         and reference constructing.
13723 2009-08-12  Xinliang David Li  <davidxl@google.com>
13725         PR tree-optimization/41012
13726         * tree-flow.h : New external interface.
13727         * gimple-low.c (check_call_arg): Change to public function.
13728         Remove argument mismatch check in lowering.
13729         * tree-inline.h (tree_can_inline_p): Interface change.
13730         * tree-inline.c (tree_can_inline_p): Fold argument mismatch check
13731         into this function.
13732         * ipa-inline.c (cgraph_decide_inlining_of_small_functions):
13733         Call change to tree_can_inline_p function.
13734         (cgraph_decide_inlining_incrementally): Ditto.
13736 2009-08-12  Richard Sandiford  <rdsandiford@googlemail.com>
13738         PR tree-optimization/41031
13739         * tree-outof-ssa.c (insert_value_copy_on_edge): Use promote_decl_mode
13740         on the partition variable rather than promote_mode on the source
13741         type.  Assert that the partition variable's type has the same
13742         mode as the source value's.
13744 2009-08-12  Paolo Bonzini  <bonzini@gnu.org>
13746         * doc/tm.texi (TARGET_PROMOTE_FUNCTION_MODE): Add documentation
13747         for for_return == 2.
13748         * function.c (assign_parm_setup_reg): Use for_return == 2, improve
13749         comments.
13750         * calls.c (expand_call): Fix typo.
13751         * explow.c (promote_decl_mode): Use for_return == 2 for RESULT_DECL
13752         and PARM_DECL.
13753         * stmt.c (expand_value_return): Use promote_function_mode to copy out
13754         of pseudo.
13755         * targhooks.c (default_promote_function_mode): Handle for_return == 2.
13756         * config/cris/cris.c (cris_promote_function_mode): Likewise.
13757         * config/mmix/mmix.c (mmix_promote_function_mode): Likewise.
13758         * config/pa/pa.c (pa_promote_function_mode): Likewise.
13760 2009-08-12  Andrew Haley  <aph@redhat.com>
13762         * config/arm/arm.c (arm_init_libfuncs): Add __sync_synchronize.
13764 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
13766         PR bootstrap/40103
13767         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
13769 2009-08-12  Richard Guenther  <rguenther@suse.de>
13771         * alias.c (get_alias_set): Honor TYPE_STRUCTURAL_EQUALITY_P.
13772         * gimplify.c (gimplify_modify_expr): Do not use
13773         lang_hooks.types_compatible_p.
13774         * tree-ssa.c (useless_type_conversion_p): For aggregates
13775         just return false if the canonical types differ.
13777 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
13779         PR middle-end/40980
13780         * sese.c (convert_for_phi_arg): New.
13781         (add_guard_exit_phis): Use convert_for_phi_arg.
13783 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
13785         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
13786         unknown subscript upper bounds.
13788 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
13789             Pranav Garg  <pranav.garg2107@gmail.com>
13791         * graphite-interchange.c (gather_access_strides): Removed.
13792         (ppl_max_for_le): New.
13793         (build_linearized_memory_access): New.
13794         (memory_stride_in_loop): New.
13795         (pbb_interchange_profitable_p): Reimplemented.
13796         * graphite-ppl.h (ppl_new_id_map): New.
13797         (ppl_interchange): New.
13799 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
13801         * graphite-interchange.c (compute_subscript): Removed.
13802         (compute_array_size_cstr): Removed.
13803         (compute_array_size_poly): Removed.
13804         (compute_array_size): Removed.
13805         (gather_access_strides_poly): Removed.
13806         (gather_access_strides): Empty.
13808 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
13810         * graphite-dependences.c (dependence_polyhedron_1): Replace
13811         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
13812         (graphite_legal_transform_dr): Same.
13813         (graphite_carried_dependence_level_k): Same.
13814         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
13815         Initialize PDR_NB_SUBSCRIPTS.
13816         (print_pdr_access_layout): Replace pdr_nb_subscripts with
13817         PDR_NB_SUBSCRIPTS.
13818         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
13819         (PDR_NB_SUBSCRIPTS): New.
13820         (pdr_nb_subscripts): Removed.
13821         (pdr_dim): Simplified.
13822         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
13823         with PDR_NB_SUBSCRIPTS.
13825 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
13827         * graphite-interchange.c (compute_array_size): Remove use of
13828         PDR_DATA_CONTAINER.
13829         * graphite-poly.c (new_poly_dr): Remove argument data_container.
13830         Do not initialize PDR_DATA_CONTAINER.
13831         (print_pdr): Do not print PDR_DATA_CONTAINER.
13832         * graphite-poly.h (struct poly_dr): Remove data_container field.
13833         (PDR_DATA_CONTAINER): Removed.
13834         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
13835         PDR_DATA_CONTAINER.
13836         (build_poly_dr): Same.
13838 2009-08-12  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
13839             Sebastian Pop  <sebastian.pop@amd.com>
13841         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
13842         copy of the dependence polyhedron.  Free the temporary objects.
13843         (graphite_carried_dependence_level_k): Free unused objects before
13844         returning.
13846 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
13848         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
13849         Early return without analyzing the data dependences if no
13850         transform has been done.  Call restore_scattering if the transform
13851         is not legal.
13852         (graphite-interchange.c): Same.
13853         * graphite-poly.c (print_scattering_function): Test for
13854         PBB_TRANSFORMED.
13855         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
13856         (apply_poly_transforms): Do not gcc_assert that
13857         the transform is legal.
13858         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED and PBB_ORIGINAL.
13859         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
13860         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
13861         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
13862         * graphite-poly.h (struct poly_scattering): New.
13863         (struct poly_bb): Add original, transformed, and saved fields.
13864         Remove transformed_scattering, original_scattering,
13865         nb_local_variables and nb_scattering_transform fields.
13866         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
13867         (poly_scattering_new): New.
13868         (poly_scattering_free): New.
13869         (poly_scattering_copy): New.
13870         (store_scattering_pbb): New.
13871         (store_scattering): New.
13872         (restore_scattering_pbb): New.
13873         (restore_scattering): New.
13874         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
13875         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
13877 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
13879         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
13880         (print_scop): Same.
13882 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
13884         * Makefile.in (graphite.o): Depends on PREDICT_H.
13885         * graphite.c: Include predict.h.
13886         (graphite_finalize): Call tree_estimate_probability.
13887         * predict.c (predict_loops): Do not call scev_initialize and
13888         scev_finalize.
13889         (tree_estimate_probability_bb): New.
13890         (tree_estimate_probability): Do not initialize loops: move that
13891         code to the driver.  Call tree_estimate_probability_bb.
13892         (tree_estimate_probability_driver): New.
13893         (pass_profile): Use tree_estimate_probability_driver.
13894         * predict.h (tree_estimate_probability): Declared.
13896 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
13898         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
13899         * graphite-dependences.c (graphite_legal_transform): Add time to
13900         TV_GRAPHITE_DATA_DEPS.
13901         (dependency_between_pbbs_p): Same.
13902         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
13904 2009-08-12  Andrey Belevantsev  <abel@ispras.ru>
13906         PR rtl-optimization/41033
13907         * alias.c (nonoverlapping_component_refs_p): Punt when strict
13908         aliasing is disabled.
13910 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
13912         * config/mips/predicates.md (qi_mask_operand, hi_mask_operand,
13913         si_mask_operand, and_load_operand, low_bitmask_operand,
13914         and_reg_operand, and_operand): New predicates.
13915         * config/mips/constraints.md (Yb, Yh, Yw, Yz): New constraints.
13916         * config/mips/mips.c (and_operands_ok): New function.
13917         * config/mips/mips-protos.h (and_operands_ok): Declare it.
13918         * config/mips/mips.md (move_type): Add ext_ins and logical.
13919         (type): Handle them.
13920         (and<mode>3): Use and_reg_operand as the second operand's predicate.
13921         (*and<mode>3): Add alternatives for lbu, lhu, lwu, <d>ext and
13922         shift_shift.  Remove commutative constraint modifier.
13923         (*and<mode>3_mips16): Add alternatives for lbu, lhu, lwu and
13924         shift_shift.
13925         (*clear_upper32_dext): Remove define_insn_and_split.
13926         (*clear_upper32): Turn this define_insn_and_split ...
13927         (splitter for ANDing register with 0xffff_ffff): .. into this.
13929 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
13931         * combine.c (try_widen_shift_mode): Factor out code to check if an
13932         integer constant is a low-order bitmask from here ...
13933         * rtlanal.c (low_bitmask_len): ... to here.
13934         * rtl.h (low_bitmask_len): Declare.
13936 2009-08-11  Uros Bizjak  <ubizjak@gmail.com>
13938         PR target/8603
13939         * config/alpha/alpha.md (addsi3): Remove expander.
13940         (addsi3): Rename from *addsi3_internal insn pattern.
13941         (subsi3): Remove expander.
13942         (subsi3): Rename from *subsi3_internal insn pattern.
13944 2009-08-11  Douglas B Rupp  <rupp@gnat.com>
13946         * config/alpha/alpha.c (alpha_init_builtins): Nullify FWRITE and
13947         FWRITE_UNLOCKED.
13949 2009-08-11  Vasiliy Fofanov  <fofanov@adacore.com>
13950             Eric Botcazou  <botcazou@adacore.com>
13951             Douglas B Rupp  <rupp@gnat.com>
13953         * config/alpha/alpha.c (alpha_return_in_memory): On VMS, ensure
13954         that records that fit in 64 bits are returned by immediate value,
13955         as required by OpenVMS Calling Standard.
13956         (function_value): Adjust for above modification.
13957         (alpha_va_start) <TARGET_ABI_OPEN_VMS>: Use
13958         virtual_incoming_args_rtx as base object, not next_arg.
13959         * config/alpha/vms.h (DEFAULT_PCC_STRUCT_RETURN): Define as 0.
13961 2009-08-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
13963         * reload.c (find_reloads_subreg_address): Check the original
13964         req_equiv_mem address to detect the case where an address is
13965         not valid in the outer mode.
13967 2009-08-11  Richard Guenther  <rguenther@suse.de>
13969         PR bootstrap/40788
13970         * builtins.c (gimplify_va_arg_expr): Do not call SET_EXPR_LOCATION.
13972 2009-08-10  Douglas B Rupp  <rupp@gnat.com>
13974         * config/alpha/vms.h (OPTIMIZATION_OPTIONS): Remove
13975         (OVERRIDE_OPTIONS): Incorporate removed OPTIMIZATION_OPTIONS.
13977 2009-08-10  Olivier Hainque  <hainqueu@adacore.com>
13978             Douglas B Rupp  <rupp@gnat.com>
13980         * config/alpha/alpha.c (alpha_sa_size): Force procedure type to
13981         PT_STACK when frame_pointer_needed on OpenVMS.
13982         (alpha_pv_save_size, alpha_using_fp): Remove.
13983         (alpha_vms_can_eliminate): New function. Support for CAN_ELIMINATE
13984         with proper processing for PT_NULL.
13985         (alpha_vms_initial_elimination_offset): New function. Support for
13986         INITIAL_ELIMINATION_OFFSET with proper processing for PT_NULL.
13987         (alpha_sa_size): Force procedure type to PT_STACK when
13988         frame_pointer_needed on OpenVMS.
13989         * config/alpha/alpha-protos.h (alpha_pv_save_size): Remove prototype.
13990         (alpha_using_fp): Likewise.
13991         (alpha_vms_can_eliminate): Add prototype.
13992         (alpha_vms_initial_elimination_offset): Likewise.
13993         * config/alpha/vms.h (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET):
13994         Call alpha_vms_can_eliminate and alpha_vms_initial_elimination_offset.
13996 2009-08-10  Eric Botcazou  <botcazou@adacore.com>
13997             Douglas B Rupp  <rupp@gnat.com>
13999         * config/alpha/alpha.c (common_object_handler): New function.
14000         (vms_attribute_table): Declare a single attribute "common_object".
14001         (vms_output_aligned_decl_common): New global function.
14002         (SECTION_VMS_OVERLAY): Delete.
14003         (SECTION_VMS_GLOBAL): Likewise.
14004         (SECTION_VMS_INITIALIZE): Likewise.
14005         (vms_asm_named_section): Remove support for above flags.
14006         (vms_section_type_flags): Delete.
14007         (TARGET_SECTION_TYPE_FLAGS): Likewise.
14008         * config/alpha/alpha-protos.h (vms_output_aligned_decl_common): New.
14009         * config/alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
14010         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New macro.
14012 2009-08-10  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
14014         PR target/41015
14015         * longlong.h [__sh__] (udiv_qrnnd): Add T register to clobber list.
14016         (sub_ddmmss): Likewise.
14018 2009-08-10  Andreas Tobler  <a.tobler@schweiz.org>
14020         PR bootstrap/41018
14021         * config/rs6000/freebsd.h: Define SVR4_ASM_SPEC. Adjust copyright
14022         year.
14024 2009-08-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
14026         PR target/37053
14027         * reload1.c (reload_as_needed): Use cancel_changes to completely
14028         undo a failed replacement attempt.
14030 2009-08-10  Richard Guenther  <rguenther@suse.de>
14032         PR middle-end/41006
14033         * tree-ssa.c (useless_type_conversion_p_1): Fold into ...
14034         (useless_type_conversion_p): ... here.  Require pointer targets
14035         to be compatible.
14037 2009-08-10  Dodji Seketeli  <dodji@redhat.com>
14039         PR c++/40866
14040         * tree-inline.c (copy_statement_list): The resulting copy shouldn't
14041         loose the original type of the statement list.
14043 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
14045         * config/alpha/alpha.c: Include libfuncs.h
14046         (avms_asm_output_extern): New function.
14047         (alpha_init_libfuncs): Init some decc libfuncs.
14048         * config/alpha/alpha-protos.h (avms_asm_output_external): Declare.
14049         * config/alpha/vms.h (ASM_OUTPUT_EXTERNAL): Define.
14050         (DO_CRTL_NAMES): Define.
14051         (LIB_SPEC): Remove.
14052         * config/alpha/vms64.h (POINTERS_EXTEND_UNSIGNED): Remove undef.
14053         (LONG_TYPE_SIZE): Define.
14054         (TARGET_OS_CPP_BUILTINS): Define with __LONG_POINTERS=1
14055         (SUBTARGET_SWITCHES): Define malloc64 switch.
14056         (TARGET_DEFAULT): Default MASK_MALLOC64 set.
14057         (MASK_RETURN_ADDR): Define.
14058         doc/invoke.texi (mmalloc64): Document switch.
14060 2009-08-09  Olivier Hainque  <hainque@adacore.com>
14061             Douglas B Rupp  <rupp@gnat.com>
14063         * config/alpha/alpha.c (struct machine_function): New flag for VMS,
14064         uses_condition_handler.
14065         (alpha_expand_builtin_establish_vms_condition_handler): New expander.
14066         (alpha_expand_builtin_revert_vms_condition_handler): New expander.
14067         (enum alpha_builtin): New ALPHA_BUILTIN_REVERT_VMS_CONDITION_HANDLER
14068         and ALPHA_BUILTIN_ESTABLISH_VMS_CONDITION_HANDLER values.
14069         (code_for_builtin): New insn codes for the new alpha_builtins.
14070         (alpha_init_builtins): Register the new functions as BUILT_IN_MD.
14071         (alpha_sa_size): Account for uses_condition_handler.
14072         (alpha_expand_prologue): Likewise.
14073         (alpha_start_function): Likewise.
14074         (alpha_expand_epilogue): Likewise.
14075         * config/alpha/alpha-protos.h: Prototype the new alpha.c builtin
14076         establish/revert expanders.
14077         * config/alpha/alpha.h (DWARF_FRAME_REGNUM): Define.
14078         * config/alpha/alpha.md (builtin_establish_vms_condition_handler):
14079         New expander, resorting to the alpha.c associated function.
14080         (builtin_revert_vms_condition_handler): Likewise.
14081         * config/alpha/vms-gcc_shell_handler.c: New file. Implements
14082         __gcc_shell_handler, the static VMS condition handler used as
14083         an indirection wrapper to the current dynamically established
14084         handler.
14085         * config/alpha/vms-unwind.h: Complete rewrite.
14086         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Add vms-gcc_shell_handler.c
14087         * config/alpha/vms.h (MD_UNWIND_SUPPORT):
14089 2009-08-09  Eric Botcazou  <botcazou@adacore.com>
14090             Douglas B Rupp  <rupp@gnat.com>
14092         * config/alpha/alpha.c (alpha_links): Add 'target' field.
14093         (alpha_need_linkage): Handle aliases.  Return function symbol.
14094         (alpha_use_linkage): Rename 'linkage' argument to 'func'.
14095         Use ultimate alias target for the linkage name.
14096         * config/alpha/alpha.md (movmemdi): Use the symbol returned
14097         by alpha_need_linkage for the function symbol.
14098         (setmemdi): Likewise.
14100 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
14102         * config/alpha/alpha.c (TARGET_ASM_UNALIGNED_*_OP): Define if on VMS.
14103         * config/alpha/vms.h (OBJECT_FORMAT_ELF): Define.
14104         (ASM_WEAKEN_LABEL): Define.
14105         (CRT_CALL_STATIC_FUNCTION): Define.
14106         (STARTFILE_SPEC): Add crtbegin.o crtbeginS.o.
14107         (ENDFILE_SPEC): Define.
14108         (INIT_SECTION_ASM_OP): Define.
14109         * config/alpha/vms-dwarf2eh.asm (__EH_FRAME_BEGIN__): Remove.
14110         * config/alpha/t-vms (EXTRA_PARTS): Add crtbegin.o crtbeginS.o
14111         crtend.o crtendS.o.
14112         (MULTILIB_OSDIRNAMES): Define.
14113         (shlib_version): Define.
14114         (SHLIB_EXT): Define.
14115         (SHLIB_OBJS): Define.
14116         (SHLIB_NAME): Define.
14117         (SHLIB_MULTILIB): Define.
14118         (SHLIB_INSTALL): Define.
14119         (SHLIB_SYMVEC): Define.
14120         (SHLIB_SYMVECX2): Define.
14121         (SHLIB_LINK): Define.
14123 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
14125         * config/alpha/alpha.c (alpha_initialize_trampoline):
14126         Initialize VMS trampoline IAW ABI for bounded procedure calls.
14127         (alpha_start_function): Emit transfer address on nested functions
14128         for VMS trampoline call.
14129         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Remove vms_tramp.asm
14130         since no longer used.
14131         * config/alpha/vms-tramp.asm: Remove.
14132         * config/alpha/vms.h (TRAMPOLINE_TEMPLATE): Leave undefined
14133         since now only data initialized at runtime.
14135 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
14137         * config/alpha/vms.h (HANDLE_SYSV_PRAGMA): Define.
14138         (LINK_GCC_C_SEQUENCE_SPEC): Define.
14139         (MD_EXEC_PREFIX): Remove, no longer used.
14140         (MD_STARTFILE_PREFIX): Likewise.
14141         (INCLUDE_DEFAULTS): Likewise.
14142         * config/alpha/t-vms:
14143         (vms-dwarf2.o, vms-dwarf2eh.o): Use GCC_FOR_TARGET to compile.
14145 2009-08-09  Richard Guenther  <rguenther@suse.de>
14147         PR tree-optimization/41016
14148         * tree-ssa-ifcombine.c (get_name_for_bit_test): Fix tuplification bug.
14149         (operand_precision): Remove.
14150         (integral_operand_p): Likewise.
14151         (recognize_single_bit_test): Adjust.
14153 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
14155         * c-common.c (c_fully_fold_internal): Issue a warning if a binary
14156         operation overflows.  Likewise non-cast unary arithmetic.
14157         If one arm of a conditional expression is always taken,
14158         inhibit evaluation warnings for the other arm.  Likewise inhibit
14159         evaluation warnings for the second && or || operand if the first
14160         operand is enough to determine the result.
14161         * c-typeck.c (build_conditional_expr): Apply the same inhibition
14162         rules here.
14163         (build_binary_op): Prevent duplicate evaluation warnings.
14165 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
14167         * tree-out-of-ssa.c (insert_value_copy_on_edge): If the source
14168         and destination have different modes, Use promote_mode to
14169         determine the signedness of the conversion.  Assert that the
14170         promoted source mode matches the destination mode.  Don't pass
14171         the destination and destination mode to expand_expr if the source
14172         mode is different.  Simplify conversion logic.
14174 2009-08-09  Ira Rosen  <irar@il.ibm.com>
14176         PR tree-optimization/41008
14177         * tree-vect-loop.c (vect_is_simple_reduction): Get operands
14178         from condition only in case it's a comparison. Adjust checks.
14180 2009-08-09  Bernd Schmidt  <bernd.schmidt@analog.com>
14182         * tree-dfa.c (renumber_gimple_stmt_uids_in_blocks): New function.
14183         * tree-flow.h (renumber_gimple_stmt_uids_in_blocks): Declare it.
14184         * tree-ssa-loop-ivopts.c (comp_cost): Make COST an integer.
14185         (enum iv_position): Add IP_AFTER_USE and IP_BEFORE_USE.
14186         (dump_cand): Handle them.
14187         (struct iv_cand): New members COST_STEP and AINC_USE.
14188         (stmt_after_increment): Likewise.
14189         (stmt_after_inc_pos): Renamed from stmt_after_ip_original_pos.  All
14190         callers changed.  Use gimple_uid comparison instead of scanning.
14191         (add_candidate_1): When looking for identical candidates, take
14192         AINC_USE into account.  Set it for new candidates.
14193         (force_expr_to_var_cost): Cast target_spill_cost to int.
14194         (get_address_cost): New arguments STMT_AFTER_INC and MAY_AUTOINC.
14195         All callers changed.  Check for availability of autoinc addressing
14196         modes, both in general for a given mode, and in the specific use case.
14197         (get_computation_cost_at): New argument CAN_AUTOINC.  All callers
14198         changed.
14199         (get_computation_cost): Likewise.
14200         (autoinc_possible_for_pair, set_autoinc_for_original_candidates,
14201         add_autoinc_candidates): New static functions.
14202         (add_candidate): Call add_autoinc_candidates for candidates based on
14203         a USE_ADDRESS use.
14204         (find_iv_candidates): Call set_autoinc_for_original_candidates.
14205         (determine_use_iv_cost_address): If we have an autoinc candidate at
14206         the matching use, verify autoinc is possible and subtract the cost
14207         of the candidate's step from the cost.
14208         (determine_iv_cost): Record the cost of the increment in the COST_STEP
14209         member of the candidate.
14210         (tree_ssa_iv_optimize_loop): Swap the calls to determine_iv_costs and
14211         determine_use_iv_costs.  Call renumber_gimple_stmt_uids_in_blocks.
14213 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
14215         * config.build (ia64-hp-*vms*): New target.
14216         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
14217         with ia64-hp-*vms*.
14218         * config.gcc (ia64-hp-*vms*): New target.
14219         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
14220         with ia64-hp-*vms*.
14221         * config.host (ia64-hp-*vms*): New target.
14222         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
14223         with ia64-hp-*vms*.
14225 2009-08-08  Richard Guenther  <rguenther@suse.de>
14227         PR tree-optimization/40991
14228         * tree-ssa-pre.c (eliminate): Delay purging EH edges.
14230 2009-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
14232         * combine.c (gen_lowpart_or_truncate): Exclude CONST_INTs from
14233         mode check.  Do truncations in an integer mode.
14234         (force_to_mode): Handle subregs for all mode types.  Only do
14235         arithmetic simplifications on integer modes.
14237 2009-08-07  Richard Guenther  <rguenther@suse.de>
14239         PR tree-optimization/40999
14240         * tree-ssa-ccp.c (get_symbol_constant_value): Handle CONST_DECLs.
14241         (maybe_fold_reference): Lookup constant initializers.
14242         (fold_gimple_assign): Likewise.
14244 2009-08-07  Richard Guenther  <rguenther@suse.de>
14246         * tree-ssa.c (useless_type_conversion_p_1): Only for types
14247         that require structural equality defer to the langhook.
14249 2009-08-07  Martin Jambor  <mjambor@suse.cz>
14251         * ipa-prop.h (enum jump_func_type): New value IPA_JF_ANCESTOR, changed
14252         comments.
14253         (struct ipa_pass_through_data): New type.
14254         (struct ipa_ancestor_jf_data): New type.
14255         (union jump_func_value): Removed field formal_id, added fields
14256         pass_through and ancestor.
14257         (struct ipa_param_call_note): Changed type of formal_id to int from
14258         unsigned.
14259         * ipa-prop.c (ipa_print_node_jump_functions): Print pass through with
14260         operations jump functions and ancestor jump functions.
14261         (compute_complex_pass_through): New function.
14262         (compute_scalar_jump_functions): Call compute_complex_pass_through,
14263         reflect changes in the jump function strucutre.
14264         (update_jump_functions_after_inlining): Ignore complex pass-through
14265         and ancestor jump functions.
14266         * ipa-cp.c (ipcp_lattice_from_jfunc): Added support for ancestor and
14267         polynomial pass-through with operation jump functions.
14269 2009-08-07  Jakub Jelinek  <jakub@redhat.com>
14271         * dwarf2out.c (output_fde): When doing hot/cold partitioning, use
14272         fde->dw_fde_begin as begin label instead of hot/cold label.
14273         Use LLSDAC label instead of LLSDA for second section lsda.
14274         (dwarf2out_do_cfi_startproc): Add SECOND argument.  Use LLSDAC
14275         label instead of LLSDA if it is true.
14276         (dwarf2out_begin_prologue, dwarf2out_switch_text_section): Adjust
14277         callers.
14278         * except.c (add_call_site, dw2_size_of_call_site_table): Add
14279         SECTION argument.  Use it as index into crtl->eh.call_site_record
14280         array.
14281         (dw2_output_call_site_table): Likewise.  Add CS_FORMAT argument,
14282         use it to determine how to print table entries instead of using
14283         #ifdef HAVE_AS_LEB128.  For SECTION > 0 use hot resp. cold
14284         label instead of normal begin label as base.
14285         (sjlj_assign_call_site_values): Adjust add_call_site caller.
14286         (convert_to_eh_region_ranges): When doing hot/cold partitioning,
14287         ensure no EH range spans between sections and that landing pads
14288         are always in the corresponding section.
14289         (sjlj_size_of_call_site_table, sjlj_output_call_site_table): Adjust
14290         for crtl->eh.call_site_record being an array rather than scalar.
14291         (output_one_function_exception_table): New function, copied
14292         from output_function_exception_table.  Adjust
14293         dw2_size_of_call_site_table, dw2_output_call_site_table
14294         callers.  For SECOND section use *C suffixed labels.
14295         (output_function_exception_table): Call
14296         output_one_function_exception_table and, when doing hot/cold
14297         partitioning, also another time for the second section.
14298         * opts.c: Include except.h.
14299         (decode_options): Allow -freorder-blocks-and-partition with
14300         exceptions, unless SJLJ or TARGET_UNWIND_INFO.
14301         * Makefile.in (opts.o): Depend on $(EXCEPT_H).
14302         * function.h (struct rtl_eh): Change call_site_record from
14303         scalar into array of 2 elements.
14305 2009-08-07  Martin Jambor  <mjambor@suse.cz>
14307         * ipa-prop.c (count_formal_params_1): New function.
14308         (ipa_get_vector_of_formal_parms): New function.
14309         (get_vector_of_formal_parm_types): New function.
14310         (ipa_modify_formal_parameters): New function.
14311         (ipa_modify_call_arguments): New function.
14312         (index_in_adjustments_multiple_times_p): New function.
14313         (ipa_combine_adjustments): New function.
14314         (ipa_dump_param_adjustments): New function.
14315         * ipa-prop.h (struct ipa_parm_adjustment): New type.
14316         (ipa_get_vector_of_formal_parms): Declare.
14317         (ipa_modify_formal_parameters): Declare.
14318         (ipa_modify_call_arguments): Declare.
14319         (ipa_combine_adjustments): Declare.
14320         (ipa_dump_param_adjustments): Declare.
14321         (build_ref_for_offset): Declare.
14322         * Makefile.in (tree-sra.o): Add ipa-prop.h to dependencies.
14323         * tree-sra.c: Include ipa-prop.c.
14324         (build_ref_for_offset): Make public.
14326 2009-08-06  Neil Vachharajani  <nvachhar@gmail.com>
14328         * value-prof.c (init_pid_map): Replace xmalloc with XCNEWVEC.
14330 2009-08-06  Thomas Schwinge  <tschwinge@gnu.org>
14332         * gcc/doc/extend.texi (__builtin_extract_return_address)
14333         (__builtin_frob_return_address): Document.
14335 2009-08-06  Paul Brook  <paul@codesourcery.com>
14337         * config/arm/lib1funcs.asm (ARM_DIV_BODY): Add Thumb-2 implementation.
14338         (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Only use Thumb-1
14339         implementation on ARMv6-M.
14341 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
14343         * doc/extend.texi (pcs): Document new attribute for ARM.
14345 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
14347         * arm.c (pcs_attribute_args): Comment out unsupported attribute
14348         variants.
14350 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
14352         * arm.c (arm_handle_pcs_attribute): Pass the entire name object to
14353         warning ().
14355 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
14357         * arm.c (arm_handle_pcs_attribute): Use %qE in warning.
14359 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
14361         Merge ARM/hard_vfp_branch to trunk.
14363         2009-08-04  Richard Earnshaw  <rearnsha@arm.com>
14365         * arm.c (libcall_eq): New function.
14366         (libcall_hash): New function.
14367         (add_libcall): New function.
14368         (arm_libcall_uses_aapcs_base): New function.
14369         (arm_libcall_value): Use arm_libcall_uses_aapcs_base to check for
14370         libcalls using the base PCS.
14371         (arm_init_cumulative_args): Likewise.
14373         2009-07-20  Joseph Myers  <joseph@codesourcery.com>
14375         * config/arm/arm.c (arm_libcall_value, arm_init_cumulative_args):
14376         Use base ABI for conversion libfuncs between HFmode and SFmode.
14378         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
14380         * config/arm/arm.c (aapcs_vfp_sub_candidate): Use V2SImode and
14381         V4SImode as representatives of all 64-bit and 128-bit vector
14382         types.  Allow vector types without vector modes.
14383         (aapcs_vfp_is_call_or_return_candidate): Handle vector types
14384         without vector modes like BLKmode.
14385         (aapcs_vfp_allocate): Handle TImode for non-TARGET_NEON like
14386         BLKmode.  Avoid unsupported vector modes or TImode moves for
14387         non-TARGET_NEON.
14388         (aapcs_vfp_allocate_return_reg): Likewise.
14389         (arm_vector_mode_supported_p): Only support V2SImode, V4HImode and
14390         V8QImode if TARGET_NEON || TARGET_IWMMXT.
14392         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
14394         * config/arm/arm.c (arm_handle_pcs_attribute): New.
14395         (arm_get_pcs_model): Pass attribute arguments to
14396         arm_pcs_from_attribute.
14397         (arm_init_cumulative_args): Use base AAPCS for conversions from
14398         floating-point types to DImode.
14399         (arm_attribute_table): Add pcs attribute.
14400         (arm_handle_pcs_attribute): New.
14401         * config/arm/bpabi.h (DECLARE_LIBRARY_RENAMES): When renaming
14402         conversions from floating-point types to DImode, also declare them
14403         to use base AAPCS and declare functions they call to use base
14404         AAPCS and their RTABI names.
14406         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
14408         * doc/invoke.texi (-mfloat-abi=@var{name}): Remove statement about
14409         -mfloat-abi=hard not being supported for VFP.
14411         2009-05-11  Kazu Hirata  <kazu@codesourcery.com>
14413         * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Pass a libcall
14414         SYMBOL_REF to hard_libcall_value.
14416         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
14417             Richard Earnshaw  <rearnsha@arm.com>
14419         * config/arm/arm.c (aapcs_layout_arg): Once a co-processor argument
14420         has been put on the stack, all remaining co-processory arguments for
14421         that co-processor also go on the stack.
14423         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
14425         * config/arm/arm.c (arm_return_in_memory): Handle returning
14426         vectors of suitable size in registers also for AAPCS case.
14428         2009-01-13  Richard Earnshaw <rearnsha@arm.com>
14430         * doc/tm.texi (TARGET_LIBCALL_VALUE): Add missing end statement.
14432         2008-12-09  Richard Earnshaw <rearnsha@arm.com>
14434         ARM Hard-VFP calling convention
14435         * target-def.h (TARGET_LIBCALL_VALUE): New hook.
14436         * target.h (gcc_target): Add libcall_value to table of call hooks.
14437         * targhooks.h (default_libcall_value): Default implementation.
14438         * targhooks.c (default_libcall_value): Likewise.
14439         * doc/tm.texi (TARGET_LIBCALL_VALUE): Document it.
14440         * optabs.c (expand_unop): Use it.
14441         * expr.h (hard_libcall_value): Pass the function RTX through.
14442         * calls.c (emit_library_call_value_1): Update call to
14443         hard_libcall_value.
14444         * explow.c (hard_libcall_value): Use new target hook.
14445         * config/arm/arm.c: Include cgraph.h
14446         (TARGET_FUNCTION_VALUE): Override default hook.
14447         (arm_pcs_default): New variable.
14448         (arm_override_options): Don't fault hard calling convention with VFP.
14449         Add support for AAPCS variants.
14450         (arm_function_value): Make static.  Handle AAPCS variants.
14451         (arm_libcall_value): New function.
14452         (arm_apply_result_size): Handle VFP registers in results.
14453         (arm_return_in_memory): Rework all AAPCS variants; handle hard-vfp
14454         conventions.
14455         (pcs_attribute_args): New variable.
14456         (arm_pcs_from_attribute): New function.
14457         (arm_get_pcs_model): New function.
14458         (aapcs_vfp_cum_init): New function.
14459         (aapcs_vfp_sub_candidate): New function.
14460         (aapcs_vfp_is_return_candidate): New function.
14461         (aapcs_vfp_is_call_candidate): New function.
14462         (aapcs_vfp_allocate): New function.
14463         (aapcs_vfp_allocate_return_reg): New function.
14464         (aapcs_vfp_advance): New function.
14465         (aapcs_cp_arg_layout): New variable.
14466         (aapcs_select_call_coproc): New function.
14467         (aapcs_select_return_coproc): New function.
14468         (aapcs_allocate_return_reg): New function.
14469         (aapcs_libcall_value): New function.
14470         (aapcs_layout_arg): New function.
14471         (arm_init_cumulative_args): Initialize AAPCS args data.
14472         (arm_function_arg): Handle AAPCS variants using new interface.
14473         (arm_arg_parital_bytes): Likewise.
14474         (arm_function_arg_advance): New function.
14475         (arm_function_ok_for_sibcall): Ensure that sibling calls agree on
14476         calling conventions.
14477         (arm_setup_incoming_varargs): Handle new AAPCS args data.
14478         * arm.h (NUM_VFP_ARG_REGS): Define.
14479         (LIBCALL_VALUE): Update.
14480         (FUNCTION_VALUE): Delete.
14481         (FUNCTION_VALUE_REGNO_P): Add VFP regs.
14482         (arm_pcs): New enum.
14483         (CUMULATIVE_ARGS): New data to support AAPCS argument marshalling.
14484         (FUNCTION_ARG_ADVANCE): Call arm_function_arg_advance.
14485         (FUNCTION_ARG_REGNO_P): Add VFP regs.
14486         * arm-protos.h (arm_function_arg_advance): Add.
14487         (aapcs_libcall_value): Add.
14488         (arm_function_value): Delete.
14490 2009-08-06  Uros Bizjak  <ubizjak@gmail.com>
14491             H.J. Lu  <hongjiu.lu@intel.com>
14493         PR target/40957
14494         * config/i386/i386.c (standard_sse_mode_p): Remove.
14495         (standard_sse_constant_p): Return 2 for integer mode
14496         vector_all_ones_operand when SSE2 is enabled.
14497         (standard_sse_constant_opcode)<case 2>: Always return [v]pcmpeqd.
14498         (ix86_expand_vector_move): Do not check for negative values from
14499         standard_sse_constant_p.
14501 2009-08-06  Richard Guenther  <rguenther@suse.de>
14503         * tree-ssa.c (useless_type_conversion_p_1): Make function and
14504         array type comparisons frontend independent.
14505         * Makefile.in (tree-ssa.o): Add $(TARGET_H) dependency.
14506         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Always fill
14507         out array reference lower bound and element size operands.
14508         (ao_ref_init_from_vn_reference): Properly compute the offset
14509         for ARRAY_RANGE_REF.
14510         (vn_reference_fold_indirect): Fill out array reference lower
14511         bound and element size operands.
14512         * tree-ssa-pre.c (phi_translate_1): Fail if we have to translate
14513         a non gimple valued reference operand which can happen for
14514         array reference lower bound or element size.
14515         (create_component_ref_by_pieces_1): Properly generate the
14516         element size operand for array references.
14518 2009-08-06  Richard Guenther  <rguenther@suse.de>
14520         PR tree-optimization/40964
14521         * tree.c (iterative_hash_host_wide_int): Export.
14522         * tree.h (iterative_hash_host_wide_int): Declare.
14523         * tree-ssa-structalias.c (heapvar_map): New struct.
14524         (heapvar_map_eq): New function.
14525         (heapvar_map_hash): Likewise.
14526         (heapvar_lookup): Adjust.
14527         (heapvar_insert): Likewise.
14528         (make_constraint_from_heapvar): Allow multiple heap variables
14529         per decl at different offsets.
14530         (init_alias_heapvars): Adjust.
14532 2009-08-04  David Daney  <ddaney@caviumnetworks.com>
14534         * config/mips/mips.h (TARGET_SYNC_AFTER_SC): New macro.
14535         * mips_output_sync_loop (mips_output_sync_loop): Only emit
14536         trailing sync if TARGET_SYNC_AFTER_SC.
14538 2009-08-05  David Daney  <ddaney@caviumnetworks.com>
14540         * gcc/config/mips/sync.md (sync_compare_and_swap<mode>,
14541         compare_and_swap_12, sync_add<mode>, sync_<optab>_12,
14542         sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12,
14543         sync_old_nand_12, sync_new_nand_12, sync_sub<mode>,
14544         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
14545         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
14546         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
14547         sync_new_nand<mode>, sync_lock_test_and_set<mode>,
14548         test_and_set_12): Rewrite calls to mips_output_sync_loop.
14549         * gcc/config/mips/mips-protos.h (mips_output_sync_loop): Make
14550         the prototype declaration match the definition.
14551         * gcc/config/mips/mips.c (mips_output_sync_loop):  Emit sync
14552         instructions explicitly.  Add barrier_before and operands
14553         parameters.
14554         * gcc/config/mips/mips.h (MIPS_COMPARE_AND_SWAP,
14555         MIPS_COMPARE_AND_SWAP_12, MIPS_SYNC_OP, MIPS_SYNC_OP_12,
14556         MIPS_SYNC_OLD_OP_12, MIPS_SYNC_NEW_OP_12, MIPS_SYNC_OLD_OP,
14557         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
14558         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE,
14559         MIPS_SYNC_EXCHANGE_12): Remove sync instructions.
14561 2009-08-05  Andrew Pinski  <pinskia@gmail.com>
14563         * tree-ssa-alias.c: Fix intervals to use [) syntax.
14565 2009-08-05  Uros Bizjak  <ubizjak@gmail.com>
14566             Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
14568         PR target/40906
14569         * config/i386/i386.c (ix86_split_long_move): Fix push of multi-part
14570         source operand.
14572 2009-08-05  Jakub Jelinek  <jakub@redhat.com>
14574         PR rtl-optimization/40924
14575         * dse.c (canon_address): Before calling cselib_expand_value_rtx
14576         make sure canon_rtx (mem_address) isn't simpler than
14577         canon_rtx (expanded_mem_address).
14579 2009-08-05  Li Feng  <nemokingdom@gmail.com>
14581         * graphite-sese-to-poly.c (build_pbb_drs): Remove build alias set
14582         for each poly_bb_p.
14583         (build_scop_drs): Build alias set for each SCoP.
14585 2009-08-04  Sandra Loosemore  <sandra@codesourcery.com>
14587         * doc/invoke.texi (MIPS Options): Document new 1004K -march options.
14588         * config/mips/mips.c (mips_cpu_info_table): Add 1004K cores.
14589         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Add pattern for 1004K.
14590         (MIPS_ARCH_FLOAT_SPEC): Likewise.
14591         (BASE_DRIVER_SELF_SPECS): Likewise.
14593 2009-08-04  Andrew Pinski  <pinskia@gmail.com>
14595         * tree-ssa-alias.c: Fix some comment typos.
14597 2009-08-04  Kaz Kojima  <kkojima@gcc.gnu.org>
14599         * config/sh/linux-atomic.asm (ATOMIC_BOOL_COMPARE_AND_SWAP,
14600         ATOMIC_OP_AND_FETCH, ATOMIC_COMBOP_AND_FETCH): Define.
14602 2009-08-03  Janis Johnson  <janis187@us.ibm.com>
14604         PR c/39902
14605         * simplify-rtx.c (simplify_binary_operation_1): Disable
14606         simplifications for decimal float operations.
14608 2009-08-03  Jakub Jelinek  <jakub@redhat.com>
14610         PR middle-end/40943
14611         * tree-ssa.c (warn_uninitialized_var): Even on LHS warn for
14612         operand of INDIRECT_REF.
14614 2009-08-03  Uros Bizjak  <ubizjak@gmail.com>
14616         * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject CONST
14617         constants referencing TLS symbols.
14619 2009-08-03  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
14621         * config/sh/linux-atomic.asm (ATOMIC_COMPARE_AND_SWAP): Rename
14622         __sync_compare_and_swap_* to __sync_val_compare_and_swap_*.
14624 2009-08-03  Richard Guenther  <rguenther@suse.de>
14626         * tree.c (make_vector_type): Build a main variant first,
14627         get the canonical one and then build the variant.
14628         * tree-ssa.c (useless_type_conversion_p_1): Handle
14629         fixed-point types.
14630         (useless_type_conversion_p): Conversions to pointers to
14631         incomplete record types are useless.
14633 2009-08-03  Richard Guenther  <rguenther@suse.de>
14635         * tree-cfg.c (pass_warn_unused_result): Mark name that no dump
14636         file will be created.
14637         * omp-low.c (pass_diagnose_omp_blocks): Likewise.
14638         * toplev.c (compile_file): Adjust comment.
14640 2009-08-03  Kaz Kojima  <kkojima@gcc.gnu.org>
14642         * config/sh/sh-protos.h (sh_promote_function_mode): Remove.
14643         * config/sh/sh.c (sh_promote_function_mode): Wrap long lines.
14644         (TARGET_PROMOTE_FUNCTION_MODE): Define.
14645         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
14646         (sh_promote_function_mode): Fix typo.
14648 2009-08-03  Andreas Krebbel  <krebbel1@de.ibm.com>
14650         * explow.c (promote_mode): Mark TYPE and PUNSIGNEDP as possibly unused.
14652 2009-08-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14654         * pa.c (pa_promote_function_mode): Remove ATTRIBUTE_UNUSED from
14655         declaration arguments.
14657 2009-08-02  Uros Bizjak  <ubizjak@gmail.com>
14659         * config/i386/i386.c (ix86_expand_fp_compare): Use const0_rtx instead
14660         of GEN_INT (0x00) and const1_rtx instead of GEN_INT (0x01).
14661         (ix86_split_ashl): Ditto.
14662         (ix86_expand_vector_init_one_nonzero): Ditto.
14663         (ix86_expand_vector_set): Ditto.
14664         (ix86_expand_reduc_v4sf): Ditto.
14666 2009-08-02  Paolo Bonzini  <bonzini@gnu.org>
14668         * explow.c (promote_function_mode): Remove assert.
14669         * config/sh/sh.c (sh_promote_function_mode): Declare.
14671 2009-08-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14673         * config/pa/pa.c (pa_promote_function_mode): Declare.
14674         Change to static.  Fix promote_mode call.
14676         * gthr-dce.h (CONST_CAST2): Define if not defined.
14677         (__gthread_setspecific): Use CONST_CAST2 to fix warning.
14679         * config.gcc (hppa[12]*-*-hpux10*): Add stdint support.
14681 2009-08-01  Paolo Bonzini  <bonzini@gnu.org>
14683         * expr.c (store_constructor): Use promote_decl_mode.  Remove
14684         now write-only variable unsignedp.
14685         (expand_expr_real_1): Use promote_decl_mode.
14686         * expr.h (promote_function_mode, promote_decl_mode): New.
14687         (promote_mode): Remove last argument.
14688         * function.c (assign_temp): Drop last argument of promote_mode.
14689         (assign_parm_find_data_types): Use promote_function_mode.
14690         (assign_parm_setup_reg): Likewise.
14691         (expand_function_end): Use promote_function_mode.
14692         * calls.c (initialize_argument_information): Use promote_function_mode.
14693         (precompute_arguments): Use promote_mode instead of checking if
14694         only PROMOTE_FUNCTION_MODE is defined.
14695         (expand_call): When making sibcall decisions, use promote_function_mode.
14696         Below, remove an if for targetm.calls.promote_function_return and
14697         and use promote_function_mode.
14698         (emit_library_call_value_1): Use promote_function_mode, fix bug
14699         where promote_mode was passed FOR_CALL == 0 for a return value in an
14700         assertion.
14701         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
14702         * explow.c (promote_function_mode, promote_decl_mode): New.
14703         (promote_mode): Keep only the FOR_CALL == 0 case.
14704         * combine.c (setup_incoming_promotion): Remove test of
14705         promote_function_args.  Use promote_function_mode.
14706         * stmt.c (expand_value_return): Use promote_decl_mode.
14707         (expand_decl): Use promote_decl_mode.
14709         * expr.c (store_constructor): Use promote_decl_mode.  Remove
14710         now write-only variable unsignedp.
14711         (expand_expr_real_1): Use promote_decl_mode.
14712         * expr.h (promote_function_mode, promote_decl_mode): New.
14713         (promote_mode): Remove last argument.
14714         * function.c (assign_temp): Drop last argument of promote_mode.
14715         (assign_parm_find_data_types): Use promote_function_mode.
14716         (assign_parm_setup_reg): Likewise.
14717         (expand_function_end): Use promote_function_mode.
14718         * calls.c (initialize_argument_information): Use promote_function_mode.
14719         (precompute_arguments): Use promote_mode instead of checking if
14720         only PROMOTE_FUNCTION_MODE is defined.
14721         (expand_call): When making sibcall decisions, use promote_function_mode.
14722         Below, remove an if for targetm.calls.promote_function_return and
14723         and use promote_function_mode.
14724         (emit_library_call_value_1): Use promote_function_mode, fix bug
14725         where promote_mode was passed FOR_CALL == 0 for a return value in an
14726         assertion.
14727         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
14728         * explow.c (promote_function_mode, promote_decl_mode): New.
14729         (promote_mode): Keep only the FOR_CALL == 0 case.
14730         * combine.c (setup_incoming_promotion): Remove test of
14731         promote_function_args.  Use promote_function_mode.
14732         * stmt.c (expand_value_return): Use promote_decl_mode.
14733         (expand_decl): Use promote_decl_mode.
14735         * explow.c (promote_function_mode): Just call the target hook.
14736         * targhooks.c (default_promote_function_mode,
14737         default_promote_function_mode_always_promote): New.
14738         * targhooks.h (default_promote_function_mode,
14739         default_promote_function_mode_always_promote): Declare.
14740         * target.h (promote_function_args, promote_function_return): Remove.
14741         (promote_function_mode): New.
14742         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
14743         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
14744         (TARGET_PROMOTE_FUNCTION_MODE): New.
14745         (TARGET_CALLS): Adjust.
14746         * system.h (TARGET_PROMOTE_FUNCTION_ARGS,
14747         TARGET_PROMOTE_FUNCTION_RETURN, PROMOTE_FUNCTION_MODE): Poison.
14749         * config/s390/s390.h (PROMOTE_FUNCTION_MODE): Move...
14750         * config/s390/s390.c (s390_promote_function_mode): ... here,
14751         with pointer handling.
14752         (TARGET_PROMOTE_FUNCTION_MODE): Define.
14753         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
14755         * config/sparc/sparc.h (PROMOTE_FUNCTION_MODE): Move...
14756         * config/sparc/sparc.c (sparc_promote_function_mode): ... here,
14757         with pointer handling.
14758         (TARGET_PROMOTE_FUNCTION_MODE): Define.
14759         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
14761         * config/sh/sh-protos.h (sh_promote_function_mode): New.
14762         * config/sh/sh.c (sh_promote_function_mode): New.
14763         (TARGET_PROMOTE_FUNCTION_MODE): Define.
14764         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
14766         * config/cris/cris.h (PROMOTE_FUNCTION_MODE): Move...
14767         * config/cris/cris.c (cris_promote_function_mode): ... here.
14768         (TARGET_PROMOTE_FUNCTION_MODE): Define.
14769         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
14771         * config/mmix/mmix.h (PROMOTE_FUNCTION_MODE): Move...
14772         * config/mmix/mmix.c (mmix_promote_function_mode): ... here.
14773         (TARGET_PROMOTE_FUNCTION_MODE): Define.
14774         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
14776         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Move...
14777         * config/arm/arm.c (arm_promote_function_mode): ... here, without
14778         complex type handling.
14779         (TARGET_PROMOTE_FUNCTION_MODE): Define.
14780         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
14782         * config/pa/pa.c (pa_promote_function_mode): New.
14783         (TARGET_PROMOTE_FUNCTION_MODE): Define.
14784         (TARGET_PROMOTE_FUNCTION_RETURN): Remove.
14786         * config/alpha/alpha.c (TARGET_PROMOTE_FUNCTION_ARGS,
14787         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
14788         (TARGET_PROMOTE_FUNCTION_MODE): Define equivalently.
14789         * config/xtensa/xtensa.c: Likewise.
14790         * config/stormy16/stormy16.c: Likewise.
14791         * config/iq2000/iq2000.c: Likewise.
14792         * config/rs6000/rs6000.c: Likewise.
14793         * config/picochip/picochip.c: Likewise.
14794         * config/arc/arc.c: Likewise.
14795         * config/mcore/mcore.c: Likewise.
14796         * config/score/score.c: Likewise.
14797         * config/mips/mips.c: Likewise.
14798         * config/bfin/bfin.c: Likewise.
14799         * config/ia64/ia64.c: Likewise (disabled though).
14801         * config/frv/frv.h: Remove pointless remark.
14803         * doc/tm.texi (PROMOTE_FUNCTION_MODE,
14804         TARGET_PROMOTE_FUNCTION_ARGS,
14805         TARGET_PROMOTE_FUNCTION_RETURN): Consolidate into...
14806         (TARGET_PROMOTE_FUNCTION_MODE): ... this.
14808 2009-08-01  Sebastian Pop  <sebastian.pop@amd.com>
14810         * doc/invoke.texi (-fgraphite-force-parallel): Renamed
14811         -floop-parallelize-all.
14812         * toplev.c (process_options): Rename flag_graphite_force_parallel to
14813         flag_loop_parallelize_all.
14814         * tree-ssa-loop.c (gate_graphite_transforms): Same.
14815         * graphite.c (graphite_transform_loops): Same.
14816         * common.opt: Same.
14817         * graphite-poly.c (apply_poly_transforms): Same.
14819 2009-07-31  Richard Earnshaw  <rearnsha@arm.com>
14821         PR tree-optimization/40914
14822         * ipa-prop.c (ipa_get_ptr_load_param): New argument use_delta,
14823         if set, then check the delta field of the PMF record.
14824         (ipa_get_stmt_member_ptr_load_param): Propagate new param use_delta.
14825         (ipa_analyze_call_uses): Handle machines where the vbit for a PMF
14826         call is stored in the delta.
14828 2009-07-31  Adam Nemet  <anemet@caviumnetworks.com>
14830         * config/mips/mips.md (*clear_upper32_dext): New pattern.
14832 2009-07-31  Uros Bizjak  <ubizjak@gmail.com>
14834         * config/i386/bsd.h (ASM_BYTE): New define.
14835         * config/i386/darwin.h (ASM_BYTE): Rename from ASM_BYTE_OP.
14836         * config/i386/att.h (ASM_BYTE): New define. Use ASM_BYTE instead of
14837         .byte.  Use fputs or putc instead of fprintf where appropriate.
14838         * config/i386/i386-interix.h: Use ASM_BYTE instead of .byte.  Use
14839         fputs or putc instead of fprintf where appropriate.
14840         * config/i386/i386elf.h: Ditto.
14841         * config/i386/sysv4.h: Ditto.
14843         * config/i386/i386.c (TARGET_ASM_BYTE_OP): New define.
14844         * config/i386/i386.md (x86_sahf_1): Use ASM_BYTE instead of .byte.
14845         (*tls_global_dynamic_64): Ditto.
14847 2009-07-31  Christian Bruel  <christian.bruel@st.com>
14849         * gcc/config.gcc (sh*-*-elf): test with_libgloss.
14851 2009-07-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
14853         * config/arm/arm.c (arm_arm_address_cost): Fix typo.
14854         Remove dead code for MINUS.
14856 2009-07-31  Anthony Green  <green@moxielogic.com>
14858         * config/moxie/moxie.c (moxie_expand_prologue): Use $r5 instead of
14859         $r12 in prologue.
14860         (moxie_expand_epilogue): Ditto for epilogue.
14861         (moxie_setup_incoming_varargs): ABI change.  Use 5 registers for
14862         incoming arguments.
14863         (moxie_function_arg): Ditto.
14864         (moxie_pass_by_reference): Ditto.
14865         (moxie_arg_partial_bytes): Ditto.
14866         * config/moxie/moxie.h (CALL_USED_REGISTERS): Ditto.
14867         (FUNCTION_ARG_ADVANCE) Ditto.
14868         (REG_PARM_STACK_SPACE) Ditto.
14869         (FUNCTION_ARG_REGNO_P) Dito.
14871         * config.gcc: Add moxie linux config support.
14872         * gcc/config/moxie/uclinux.h: New file.
14874 2009-07-31  DJ Delorie  <dj@redhat.com>
14876         * config/sh/sh.md (UNSPECV_SP_SWITCH_B): New.
14877         (UNSPECV_SP_SWITCH_E): New.
14878         (sp_switch_1): Change to an unspec.
14879         (sp_switch_2): Change to an unspec.  Don't use post-inc when we
14880         replace $r15.
14881         * config/sh/sh.c (sh_expand_prologue): Use the constant pool to
14882         reference the new stack's address
14884 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14886         * Makefile.in (OBJS-common): Added dependence on graphite-blocking.o,
14887         graphite-clast-to-gimple.o, graphite-dependences.o,
14888         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
14889         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o.
14890         (graphite-blocking.o,
14891         graphite-clast-to-gimple.o, graphite-dependences.o,
14892         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
14893         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o): New.
14894         * cfgloop.c (alloc_loop): Set loop->can_be_parallel to false.
14895         * cfgloop.h (struct loop): Add can_be_parallel field.
14896         * common.opt (fgraphite-identity): Moved up.
14897         (fgraphite-force-parallel): New flag.
14898         * graphite.c: Rewrite.
14899         * graphite.h: Rewrite.
14900         * passes.c (init_optimization_passes): Schedule a pass of DCE and LIM
14901         after Graphite.
14902         * toplev.c (graphite_out_file): New file descriptor.
14903         (graphite_in_file): New.
14904         (process_options): flag_graphite_force_parallel cannot be used without
14905         Graphite.
14906         * tree-ssa-loop.c: Include toplev.h.
14907         (gate_graphite_transforms): Enable flag_graphite for
14908         flag_graphite_force_parallel.
14910 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14912         * ChangeLog.graphite: New.
14913         * graphite-blocking.c: New.
14914         * graphite-clast-to-gimple.c: New.
14915         * graphite-clast-to-gimple.h: New.
14916         * graphite-dependences.c: New.
14917         * graphite-dependences.h: New.
14918         * graphite-interchange.c: New.
14919         * graphite-poly.c: New.
14920         * graphite-poly.h: New.
14921         * graphite-ppl.c: New.
14922         * graphite-ppl.h: New.
14923         * graphite-scop-detection.c: New.
14924         * graphite-scop-detection.h: New.
14925         * graphite-sese-to-poly.c: New.
14926         * graphite-sese-to-poly.h: New.
14927         * sese.c: New.
14928         * sese.h: New.
14930 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14932         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
14933         * tree-chrec.h (evolution_function_right_is_integer_cst): Declared.
14935 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14937         * tree-chrec.c (operator_is_linear): Handle BIT_NOT_EXPR.
14938         (scev_is_linear_expression): Return false if the evolution is not
14939         affine multivariate.
14941 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14943         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
14944         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
14946 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14948         * tree-data-ref.c (debug_data_references): New.
14949         (debug_data_reference): New.
14950         * tree-data-ref.h (debug_data_references): Declared.
14951         (debug_data_reference): Declared.
14953 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14955         * tree-data-ref.c (stmt_simple_memref_p: Removed.
14956         * tree-data-ref.h (scop_p): Removed.
14957         (struct data_reference): Remove field scop.
14958         (DR_SCOP): Removed.
14959         (stmt_simple_memref_p): Removed.
14961 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14963         * cfgloop.h (create_empty_loop_on_edge): Pass an extra argument.
14964         * cfgloopmanip.c (create_empty_loop_on_edge): Leave the loop_latch
14965         basic block empty.
14967 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14969         * doc/invoke.texi (-fgraphite-force-parallel): Documented.
14971 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14973         * doc/invoke.texi (-fgraphite-identity): Documented.
14975 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14977         * tree-scalar-evolution.c: Fix comment.
14978         (instantiate_scev_1): Return unknow from scev instantiation if the
14979         result is not above instantiate_below.
14981 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
14983         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
14984         static anymore.  Instantiate the symbols that may have been introduced
14985         by chrec_apply.
14986         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
14987         Declared.
14989 2009-07-30  DJ Delorie  <dj@redhat.com>
14991         * config/mep/mep.c (mep_asm_init_sections): Add section flags and
14992         .vliw directive to VLIW sections.
14994 2009-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14996         * Makefile.in (AUTOCONF, ACLOCAL, ACLOCAL_AMFLAGS, aclocal_deps):
14997         New variables.
14998         ($(srcdir)/configure, $(srcdir)/aclocal.m4): New rules.
14999         (AUTOHEADER): New variable.
15000         ($(srcdir)/cstamp-h.in): Use it.
15002 2009-07-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
15003             Pat Haugen  <pthaugen@us.ibm.com>
15004             Revital Eres <ERES@il.ibm.com>
15006         * config/rs6000/vector.md (VEC_F): Add VSX support.
15007         (VEC_A): Ditto.
15008         (VEC_N): Ditto.
15009         (mov<mode>): Ditto.
15010         (vector_load_<mode>): Ditto.
15011         (vector_store_<mode>): Ditto.
15012         (vector GPR move split): Ditto.
15013         (vec_reload_and_plus_<mptrsize>): Ditto.
15014         (vec_reload_and_reg_<mptrsize>): Ditto.
15015         (add<mode>3): Ditto.
15016         (sub<mode>3): Ditto.
15017         (mul<mode>3): Ditto.
15018         (neg<mode>2): Ditto.
15019         (abs<mode>2): Ditto.
15020         (smin<mode>3): Ditto.
15021         (smax<mode>3): Ditto.
15022         (vector_eq<mode>): Ditto.
15023         (vector_gt<mode>): Ditto.
15024         (vector_ge<mode>): Ditto.
15025         (vector_gtu<mode>): Ditto.
15026         (vector_select_<mode>_uns): Ditto.
15027         (vector_eq_<mode>_p): Ditto.
15028         (vector_gt_<mode>_p): Ditto.
15029         (vector_ge_<mode>_p): Ditto.
15030         (vector_gtu_<mode>_p): Ditto.
15031         (cr6_test_for_zero): Ditto.
15032         (cr6_test_for_zero_reverse): Ditto.
15033         (cr6_test_for_lt): Ditto.
15034         (cr6_test_for_lt_reverse): Ditto.
15035         (xor<mode>3): Ditto.
15036         (ior<mode>3): Ditto.
15037         (and<mode>3): Ditto.
15038         (one_cmpl<mode>2): Ditto.
15039         (nor<mode>2): Ditto.
15040         (andc<mode>2): Ditto.
15041         (float<VEC_int<mode>2): Ditto.
15042         (unsigned_float<VEC_int><mode>2): Ditto.
15043         (fix_trunc<mode><VEC_int>2): Ditto.
15044         (fixuns_trunc<mode><VEC_int>2): Ditto.
15045         (vec_init<mode>):
15046         (vec_set<mode>): Ditto.
15047         (vec_extract<mode>): Ditto.
15048         (vec_interleave_highv4sf): Ditto.
15049         (vec_interleave_lowv4sf): Ditto.
15050         (vec_realign_load_<mode>): Ditto.
15051         (vec_shl_<mode>): Ditto.
15052         (vec_shr_<mode>): Ditto.
15053         (div<mode>3): New patterns for VSX.
15054         (vec_interleave_highv2df): Ditto.
15055         (vec_interleave_lowv2df): Ditto.
15056         (vec_pack_trunc_v2df): Ditto.
15057         (vec_pack_sfix_trunc_v2df): Ditto.
15058         (vec_pack_ufix_trunc_v2df): Ditto.
15059         (vec_unpacks_hi_v4sf): Ditto.
15060         (vec_unpacks_lo_v4sf): Ditto.
15061         (vec_unpacks_float_hi_v4si): Ditto.
15062         (vec_unpacks_float_lo_v4si): Ditto.
15063         (vec_unpacku_float_hi_v4si): Ditto.
15064         (vec_unpacku_float_lo_v4si): Ditto.
15065         (movmisalign<mode>): Ditto.
15066         (vector_ceil<mode>2): New patterns for vectorizing math library.
15067         (vector_floor<mode>2): Ditto.
15068         (vector_btrunc<mode>2): Ditto.
15069         (vector_copysign<mode>3): Ditto.
15071         * config/rs6000/predicates.md (easy_vector_constant_msb): New
15072         predicate for setting the high bit in each word, used for copysign.
15074         * config/rs6000/ppc-asm.h (f19): Whitespace.
15075         (f32-f63): Define if VSX.
15076         (v0-v31): Define if Altivec.
15077         (vs0-vs63): Define if VSX.
15079         * config/rs6000/t-rs6000 (MD_INCLUDES): Add power7.md and vsx.md.
15081         * config/rs6000/power7.md: New file, provide tuning parameters for
15082         -mcpu=power7.
15084         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Add VSX support.
15085         (rs6000_cpu_cpp_builtins): Ditto.
15086         (altivec_overloaded_builtins): Ditto.
15087         (altivec_resolve_overloaded_builtin): Ditto.
15089         * config/rs6000/rs6000.opt (-mno-vectorize-builtins): Add new
15090         debug switch to disable vectorizing simple math builtin
15091         functions.
15093         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
15094         Vectorize simple math builtin functions.
15095         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
15096         hook to vectorize math builtins.
15097         (rs6000_override_options): Enable -mvsx on -mcpu=power7.
15098         (rs6000_builtin_conversion): Add VSX/power7 support.
15099         (rs6000_builtin_vec_perm): Ditto.
15100         (vsplits_constant): Add support for loading up a vector constant
15101         with just the high bit set in each part.
15102         (rs6000_expand_vector_init): Add VSX/power7 support.
15103         (rs6000_expand_vector_set): Ditto.
15104         (rs6000_expand_vector_extract): Ditto.
15105         (rs6000_emit_move): Ditto.
15106         (bdesc_3arg): Ditto.
15107         (bdesc_2arg): Ditto.
15108         (bdesc_1arg): Ditto.
15109         (rs6000_expand_ternop_builtin): Ditto.
15110         (altivec_expand_builtin): Ditto.
15111         (rs6000_expand_unop_builtin): Ditto.
15112         (rs6000_init_builtins): Ditto.
15113         (altivec_init_builtins): Ditto.
15114         (builtin_function_type): Ditto.
15115         (rs6000_common_init_builtins): Ditto.
15116         (rs6000_handle_altivec_attribute); Ditto.
15117         (rs6000_mangle_type): Ditto.
15118         (rs6000_vector_mode_supported_p): Ditto.
15119         (rs6000_mode_dependent_address): Altivec addresses with AND -16
15120         are mode dependent.
15122         * config/rs6000/vsx.md: New file for VSX support.
15124         * config/rs6000/rs6000.h (EASY_VECTOR_MSB): New macro for
15125         identifing values with just the most significant bit set.
15126         (enum rs6000_builtins): Add builtins for VSX.  Add simple math
15127         vectorized builtins.
15129         * config/rs6000/altivec.md (UNSPEC_VRFIP): Delete.
15130         (UNSPEC_VRFIM): Delete.
15131         (splitter for loading up vector with most significant bit): New
15132         splitter for vectorizing copysign.
15133         (altivec_vrfiz): Rename from altivec_fturncv4sf2.  Add support for
15134         vectorizing simple math functions.
15135         (altivec_vrfip): Add support for vectorizing simple math functions.
15136         (altivec_vrfim): Ditto.
15137         (altivec_copysign_v4sf3): New insn for Altivec copysign support.
15139         * config/rs6000/rs6000.md (UNSPEC_BPERM): New constant.
15140         (power7.md, vsx.md): Include for power7 support.
15141         (copysigndf3): Use VSX instructions if -mvsx.
15142         (negdf2_fpr): Ditto.
15143         (absdf2_fpr): Ditto.
15144         (nabsdf2_fpr): Ditto.
15145         (adddf3_fpr): Ditto.
15146         (subdf3_fpr): Ditto.
15147         (muldf3_fpr): Ditto.
15148         (divdf3_fpr): Ditto.
15149         (fix_truncdfdi2_fpr): Ditto.
15150         (cmpdf_internal1): Ditto.
15151         (fred, fred_fpr): Convert into expander/insn to add VSX support.
15152         (btruncdf2, btruncdf2_fpr): Ditto.
15153         (ceildf2, ceildf2_fpr): Ditto.
15154         (floordf2, floordf2_fpr): Ditto.
15155         (floatdidf2, floatdidf2_fpr): Ditto.
15156         (fmadddf4_fpr): Name insn.  Use VSX instructions if -mvsx.
15157         (fmsubdf4_fpr): Ditto.
15158         (fnmadddf4_fpr_1): Ditto.
15159         (fnmadddf4_fpr_2): Ditto.
15160         (fnmsubdf4_fpr_1): Ditto.
15161         (fnmsubdf4_fpr_2): Ditto.
15162         (fixuns_truncdfdi2): Add expander for VSX support.
15163         (fix_truncdfdi2): Ditto.
15164         (fix_truncdfsi2): Ditto.
15165         (ftruncdf2): Ditto.
15166         (btruncsf2): Whitespace.
15167         (movdf_hardfloat32): Add support for VSX registers.
15168         (movdf_softfloat32): Ditto.
15169         (movdf_hardfloat64): Ditto.
15170         (movdf_hardfloat64_mfpgpr): Ditto.
15171         (movdf_softfloat64): Ditto.
15172         (movti splitters): Add check for vector registers supporting
15173         TImode in the future.
15174         (bpermd): Add power7 bpermd instruction.
15176         * config/rs6000/altivec.h (vec_div): Define if VSX.
15177         (vec_mul): Ditto.
15178         (vec_msub): Ditto.
15179         (vec_nmadd): Ditto.
15180         (vec_nearbyint): Ditto.
15181         (vec_rint): Ditto.
15182         (vec_sqrt): Ditto.
15183         (all predicates): Use the generic builtin function, and not the V4SF
15184         specific function so that the predicates will work with VSX's V2DF.
15185         (vec_all_*): Ditto.
15186         (vec_any_*): Ditto.
15188         * doc/extend.texi (PowerPC Altivec/VSX Built-in Functions):
15189         Document new VSX functions and types.
15191         * doc/invoke.texi (PowerPc options): Document -mpopcntd, -mvsx
15192         switches.
15194         * doc/md.texi (PowerPC constraints): Document "wd", "wf", "ws",
15195         "wa", and "j" constraints.  Modify "v" to talk about Altivec
15196         instead of just vector.
15198 2009-07-30  Andrew MacLeod  <amacleod@redhat.com>
15200         PR debug/26475
15201         * tree-into-ssa.c (insert_phi_nodes_for, rewrite_add_phi_arguments): Set
15202         location for phi arguments.
15203         (rewrite_update_phi_arguments): Find locations for reaching defs.
15204         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
15205         Add location to add_phi_arg calls.
15206         * tree-loop-districbution.c (update_phis_for_loop_copy): Add locations.
15207         * tree-ssa-loop-manip.c (create_iv, add_exit_phis_edge,
15208         split_loop_exit_edge, tree_transform_and_unroll_loop): Add locations.
15209         * tree-tailcall.c (add_successor_phi_arg, eliminate_tail_call,
15210         create_tailcall_accumulator, tree_optimize_tail_calls_1): Add locations.
15211         * tree.h (struct phi_arg_d): Add location_t to PHI arguments.
15212         * tree-phinodes.c (make_phi_node): Initialize location.
15213         (resize_phi_node): Initialize location to UNKNOWN_LOCATION.
15214         (add_phi_arg): Add location parameter.
15215         (remove_phi_arg_num): Move location when moving phi argument.
15216         * omp-low.c (expand_parallel_call, expand_omp_for_static_chunk): Set
15217         location.
15218         * tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop,
15219         slpeel_update_phi_nodes_for_guard1,
15220         slpeel_update_phi_nodes_for_guard2,
15221         slpeel_tree_duplicate_loop_to_edge_cfg, set_prologue_iterations,
15222         vect_loop_versioning): Set locations.
15223         * tree-parloops.c (create_phi_for_local_result,
15224         transform_to_exit_first_loop, create_parallel_loop): Add locations.
15225         * gimple-pretty-print.c (dump_gimple_phi): Dump lineno's if present.
15226         * tree-vect-loop.c (get_initial_def_for_induction,
15227         vect_create_epilog_for_reduction, vect_finalize_reduction): Add
15228         locations.
15229         * tree-flow-inline.h (gimple_phi_arg_location): New.  Return locus.
15230         (gimple_phi_arg_location_from_edge): New.  Return locus from an edge.
15231         (gimple_phi_arg_set_location): New.  Set locus.
15232         (gimple_phi_arg_has_location): New.  Check for locus.
15233         (redirect_edge_var_map_location): New.  Return locus from var_map.
15234         * tree-vect-data-refs.c (vect_setup_realignment): Set location.
15235         * tree-ssa-phiopt.c (conditional_replacement): Set locus when
15236         combining PHI arguments.
15237         (cond_store_replacement): Set location.
15238         * cfgexpand.c (gimple_assign_rhs_to_tree): Transfer locus if possible.
15239         * grpahite.c (add_loop_exit_phis, add_guard_exit_phis,
15240         scop_add_exit_phis_edge): Add locations.
15241         * tree-cfgcleanup.c (remove_forwarder_block,
15242         remove_forwarder_block_with_phi): Add locations.
15243         * tree-ssa-pre.c (insert_into_preds_of_block): Add locations.
15244         * tree-predcom.c (initialize_root_vars, initialize_root_vars_lm): Add
15245         locations.
15246         * tree-ssa-dce.c (forward_edge_to_pdom): Add locations.
15247         * tree-ssa.c (redirect_edge_var_map_add, ssa_redirect_edge,
15248         flush_pending_stmts): Add source location.
15249         * lambda-code.c (perfect_nestify): Maintain location stack with argument
15250         stack to preserve locations.
15251         * tree-vect-stmts.c (vectorizable_load): Add location.
15252         * tree-inline.c (copy_phis_for_bb): Copy locus.
15253         (setup_one_parameter): Add call locus to inlined parameter stmts.
15254         (initialize_inlined_parameters): Pass in call location as parameter
15255         assignment locus.
15256         (tree_function_versioning): Pass location to setup_one_parameter.
15257         * tree-ssa-phiprop.c (phiprop_insert_phi): Set locations.
15258         * tree-outof-ssa.c (struct _elim_graph): Add source_location vecs for
15259         copy and edge lists.
15260         (insert_partition_copy_on_edge, insert_value_copy_on_edge,
15261         insert_rtx_to_part_on_edge, insert_part_to_rtx_on_edge): Provide a
15262         locus parameter and override the stmt default if provided.
15263         (new_elim_graph, clear_elim_graph, delete_elim_graph,
15264         elim_graph_add_edge, elim_graph_remove_succ_edge,
15265         FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED, eliminate_build,
15266         elim_forward, elim_unvisited_predecessor, elim_backward, elim_create,
15267         eliminate_phi):  Add locus info in elimination graph for each edge and
15268         value copy.
15269         (insert_backedge_copies): Copy locus if present.
15270         * tree-flow.h (struct _edge_var_map): Add locus field.
15271         * tree-switch_conversions.c (fix_phi_nodes): Add locations.
15272         * tree-cfg.c (reinstall_phi_args, gimple_make_forwarder_block,
15273         add_phi_args_after_copy_edge, gimple_lv_adjust_loop_header_phi): Add
15274         locations.
15275         * ipa-struct-reorg.c (make_edge_and_fix_phis_of_dest): Add locations.
15277 2009-07-30  Martin Jambor  <mjambor@suse.cz>
15279         PR tree-optimization/40570
15280         * ipa-inline.c (cgraph_decide_inlining): Watch out for dead single
15281         use inlining loops.
15283 2009-07-30  Razya Ladelsky <razya@il.ibm.com>
15285         * ssa-loop-manip.c: Include langhooks.h.
15286         (rewrite_phi_with_iv): New.
15287         (rewrite_all_phi_nodes_with_iv): New.
15288         (canonicalize_loop_ivs): Move here from tree-parloops.c.
15289         Remove reduction_list argument. Use rewrite_all_phi_nodes_with_iv.
15290         * tree-parloops.c (loop_parallel_p): Move out all conditions
15291         except dependency check.
15292         (canonicalize_loop_ivs): Move to tree-ssa-loop-manip.c.
15293         (gen_parallel_loop): Call canonicalize_loop_ivs without
15294         reduction_list argument.
15295         (build_new_reduction): New.
15296         (gather_scalar_reductions): New.
15297         (try_get_loop_niter): New.
15298         (try_create_reduction_list): New.
15299         (parallleize_loops): Change the parallel conditions check.
15300         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
15301         * Makefile.in (tree-ssa-loop-manip.o): Add langhooks.h dependency.
15303 2009-07-30  Dave Korn  <dave.korn.cygwin@gmail.com>
15305         * opt-functions.awk (opt_args): Allow argument to be enclosed in
15306         curly braces.
15307         * doc/options.texi (Option properties):  Mention new quoting syntax.
15309 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
15311         * config/alpha/alpha.c (alpha_start_function):
15312         Handle VMS_DEBUG_MAIN_POINTER
15313         * config/alpha/vms.h (VMS_DEBUG_MAIN_POINTER): Define new macro.
15314         * doc/invoke.texi: Document -mdebug-main switch.
15316 2009-07-29  Richard Henderson  <rth@redhat.com>
15318         * cgraph.c (cgraph_set_call_stmt_including_clones): Tidy.
15319         (cgraph_create_edge_including_clones): Likewise.
15320         * tree-inline.c (copy_bb): Operate on the correct edges
15321         when updating the callgraph.
15323 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
15325         * config/alpha/vms-cc.c: Deleted.
15326         * config/alpha/vms-ld.c: Deleted.
15327         * config/alpha/t-vms64: Moved to config/vms
15328         * config/alpha/vms-crt0-64.c: Moved to config/vms
15329         * config/alpha/vms-crt0.c: Moved to config/vms
15330         * config/alpha/vms-psxcrt0-64.c: Moved to config/vms
15331         * config/alpha/vms-psxcrt0.c: Moved to config/vms
15332         * config/alpha/xm-vms.h: Moved to config/vms
15333         * config/alpha/x-vms: Moved to config/vms
15334         * config/alpha/t-vms (vcrt0.o, pcrt0.o): Move rules to new file
15335         config/vms/t-vms.
15336         * config/vms/t-vms: Moved here from config/alpha. Alpha specific
15337         parts removed. (STMP_FIXPROTO, STMP_FIXINC, LIMITS_H_TEST): Set.
15338         (version): Set.
15339         * config/vms/t-vms64: Moved here from config/alpha
15340         * config/vms/vms-crt0-64.c: Moved here from config/alpha.
15341         (argc,argv,envp): Enforce 32bit malloc'ing.
15342         * config/vms/vms-psxcrt0-64.c: Likewise.
15343         * config/vms/vms-crt0.c: Moved here from config/alpha.
15344         * config/vms/vms-psxcrt0.c: Likewise.
15345         * config/vms/vms-crtl-64.h: New file.
15346         * config/vms/vms-crtl.h: New file.
15347         * config/vms/vms.opt: New file.
15348         * config/vms/xm-vms64.h: New file.
15349         * config/vms/xm-vms.h: Moved here from config/alpha.
15350         (STANARD_EXEC_PREFIX, STANDARD_STARTFILE_PREFIX, STANDARD_INCLUDE_DIR):
15351         Set.
15352         * config/vms/x-vms: Moved here from config/alpha.
15353         (version, VMS_EXTRA_PARTS): Moved to t-vms.
15354         (vms-ld.o, vms-cc.o): Removed.
15355         (LN, LN_S, USE_COLLECT2, POD2MAN): Set.
15357 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
15359         * dwarf2out.c (add_name_and_src_coords_attributes): Push on the
15360         correct stack (obvious VMS fix).
15362 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
15364         * dwarf2out.c (output_file_names): Output VMS style file name, size,
15365         date, version info if VMS_DEBUGGING_INFO defined.
15366         * vmsdgbout.c (vms_file_stats_name): New functon. VMS style file name,
15367         size, date calculating code moved here.
15369 2009-07-29  Paul Brook  <paul@codesourcery.com>
15371         * config/arm/lib1funcs.asm (clear_cache): Use ARM_FUNC_START and
15372         do_push/do_pop.
15374 2009-07-29  Uros Bizjak  <ubizjak@gmail.com>
15376         PR target/40577
15377         * config/alpha/alpha.c (alpha_expand_unaligned_store): Convert src
15378         to DImode when generating insq_le insn.
15380 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
15382         * dwarf2out.c (DWARF2_INDIRECT_STRING_SUPPORT_MISSING_ON_TARGET):
15383         New macro set for VMS_DEBUGGGING_INFO.
15384         (AT_string_form): Use it.
15386 2009-07-28  DJ Delorie  <dj@redhat.com>
15388         * config/mep/mep.c (vtext_section): New.
15389         (vftext_section): New.
15390         (ftext_section): New.
15391         (mep_select_section): Add support for functions.
15392         (mep_unique_section): Likewise.
15393         (mep_asm_init_sections): Likewise.
15394         (mep_encode_section_info): Remove it from here.
15396         * config/mep/mep.h (USE_SELECT_SECTION_FOR_FUNCTIONS): Define.
15398 2009-07-28  Paolo Bonzini  <bonzinI@gnu.org>
15400         * tree.h (TREE_DEPRECATED): Document it is used for types too.
15401         (TYPE_VECTOR_OPAQUE): Use default_def_flag
15403 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
15405         * dwarf2out.c (output_file_names): Test new macro
15406         DWARF2_DIR_SHOULD_END_WITH_SEPARATOR.
15407         (add_comp_dir_attribute): Likewise.
15409 2009-07-28  Kai Tietz  <kai.tietz@onevision.com>
15411         * config/i386/mingw-w64.h (LINK_SPEC): Add
15412         separating space between commands.
15414 2009-07-28  Jan Hubicka  <jh@suse.cz>
15416         PR tree-optimization/40759
15417         * tree-ssa-dce.c (mark_virtual_phi_result_for_renaming): Mark all uses
15418         for renaming.
15420 2009-07-27  DJ Delorie  <dj@redhat.com>
15422         * config/mep/mep.c (mep_expand_builtin_saveregs): Make sure 64-bit
15423         types are dword-aligned.
15424         (mep_expand_va_start): Likewise.
15426 2009-07-27  Olivier Hainque  <hainque@adacore.com>
15427             Douglas B Rupp  <rupp@gnat.com>
15429         * convert.c (convert_to_pointer): Don't assume the target
15430         pointer type is POINTER_SIZE long. Fetch its precision instead.
15432 2009-07-27  Douglas B Rupp  <rupp@gnat.com>
15434         * system.h (fopen): Undefine if macro.
15436 2009-07-27  Jakub Jelinek  <jakub@redhat.com>
15438         * dwarf2out.c (output_cfi_p): Removed.
15439         (output_cfis): New function.
15440         (output_fde): New function, split from output_call_frame_info.
15441         (output_call_frame_info): Use it.
15442         (dwarf2out_switch_text_section): Use output_cfis.
15444 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
15446         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Error build when
15447         TARGET_BI_ARCH is specified without enabling SJLJ.
15448         * config/i386/mingw32.h (MD_UNWIND_SUPPORT): Define MD_UNWIND_SUPPORT,
15449         if TARGET_64BIT and TARGET_BI_ARCH aren't defined.
15451 2009-07-26  Mikael Pettersson <mikpe@it.uu.se>
15453         * arm.md (negdi2): Use DImode if forcing a value into a register.
15455 2009-07-26  Ira Rosen  <irar@il.ibm.com>
15457         PR tree-optimization/40801
15458         * tree-vect-stmts.c (vectorizable_call): Get previous copy
15459         of vector operand from the previous copy of vector statement.
15460         Pass the correct definition type value to
15461         vect_get_vec_def_for_stmt_copy().
15463 2009-07-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15465         * collect2.c (scan_libraries): Use CONST_CAST2 to perform char ** to
15466         const char ** conversion.
15468 2009-07-25 David Daney <ddaney@caviumnetworks.com>
15470         * system.h (gcc_assert): Invoke __builtin_unreachable() instead of
15471         fancy_abort() if !ENABLE_ASSERT_CHECKING.
15472         (gcc_unreachable): Invoke __builtin_unreachable() if
15473         !ENABLE_ASSERT_CHECKING.
15475 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
15477         PR rtl-optimization/40445
15478         * emit-rtl.c (next_nonnote_insn_bb): New function.
15479         * rtl.h (next_nonnote_insn_bb): Declare new function.
15480         * cfgcleanup.c (try_optimize_cfg): Don't remove an empty block
15481         with no successors that is the successor of the ENTRY_BLOCK.
15482         Continue from the top after removing an empty fallthrough block.
15483         * cfgrtl.c (get_last_bb_insn): Call next_nonnote_insn_bb instead
15484         of next_nonnote_insn.
15486 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
15488         * cfgcleanup.c (old_insns_match_p): Handle the case of empty blocks.
15490 2009-07-25  Martin Jambor  <mjambor@suse.cz>
15492         * c-common.c (c_common_attribute_table): New element for noclone.
15493         (handle_noclone_attribute): New function. Forward-declare.
15494         * tree-inline.c (tree_versionable_function_p): Check for noclone
15495         attribute.
15496         * doc/extend.texi (Labels as Values): Document need for noclone.
15497         (Function Attributes): Document noclone attribute.
15499 2009-07-25  Jakub Jelinek  <jakub@redhat.com>
15501         PR rtl-optimization/34999
15502         * dwarf2out.c (struct dw_fde_struct): Add dw_fde_switch_cfi
15503         and dw_fde_switched_cold_to_hot fields.
15504         (output_cfi_p): New function.
15505         (output_call_frame_info): If fde->dw_fde_switched_sections,
15506         output 2 FDEs instead of one with corrupted header.
15507         (dwarf2out_do_cfi_startproc): New function.
15508         (dwarf2out_begin_prologue): Use it.  Initialize fde->dw_fde_switch_cfi
15509         and fde->dw_fde_switched_cold_to_hot.
15510         (dwarf2out_switch_text_section): Compute
15511         fde->dw_fde_switched_cold_to_hot.  Switch to new text section here.
15512         If dwarf2out_do_cfi_asm, emit .cfi_endproc before it and call
15513         dwarf2out_do_cfi_startproc plus emit again currently active CFI insns.
15514         Otherwise, compute fde->dw_fde_switch_cfi.
15516 2009-07-24  Cary Coutant  <ccoutant@google.com>
15518         * tree-cfg.c (assign_discriminator): Add explicit parentheses.
15520 2009-07-24  Cary Coutant  <ccoutant@google.com>
15522         * cfghooks.c (split_block): Copy discriminator to new block.
15523         * tree-cfg.c (assign_discriminator): Check location of last
15524         instruction in block as well as first.
15526 2009-07-24  Uros Bizjak  <ubizjak@gmail.com>
15528         * config/i386/linux.c: Use fputs or putc instead of fprintf
15529         where appropriate.
15530         * config/i386/gas.h: Ditto.
15531         * config/i386/x86-64.h: Ditto.
15532         * config/i386/att.h: Ditto.
15534 2009-07-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
15536         * expmed.c (emit_store_flag): Use a recursive call to optimize the
15537         xor case.
15539 2009-07-24  Martin Jambor  <mjambor@suse.cz>
15541         * ipa-prop.h (struct ipa_node_params): New flag node_enqued.
15542         (ipa_push_func_to_list_1): Declare.
15543         (ipa_push_func_to_list): New function.
15545         * ipa-prop.c (ipa_push_func_to_list_1): New function.
15546         (ipa_init_func_list): Call ipa_push_func_to_list_1.
15547         (ipa_push_func_to_list): Removed.
15548         (ipa_pop_func_from_list): Clear node_enqueued flag.
15550 2009-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>
15552         * config/s390/s390.c (override_options): Default
15553         max-unrolled-insns to 100 for z10 tuning.
15555 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
15557         * Makefile.in (TREE_DATA_REF_H, tree-vrp.o, tree-cfg.o, tree-if-conv.o
15558         tree-ssa-loop.o, tree-ssa-loop-niter.o, tree-ssa-loop-ivcanon.o,
15559         tree-ssa-loop-prefetch.o, tree-predcom.o, tree-affine.o,
15560         tree-scalar-evolution.o, tree-data-ref.o, tree-vect-loop.o,
15561         tree-vect-data-refs.o, tree-loop-linear.o, tree-loop-distribution.o
15562         tree-parloops.o, tree-pretty-printer.o, fold-const.o, tree-ssa-dce.o,
15563         lambda-code.o, params.o): Cleanup use of SCEV_H and TREE_DATA_REF_H.
15565 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
15567         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR): Remove and
15568         use default set in mingw32.h header.
15569         * config/i386/mingw32.h (STANDARD_INCLUDE_DIR): Use for 32-bit and
15570         64-bit /mingw/include path.
15571         (STANDARD_STARTFILE_PREFIX_1): Use for 32-bit and 64-bit /mingw/lib
15572         path.
15574 2009-07-23  Neil Vachharajani  <nvachhar@google.com>
15576         PR rtl-optimization/40209
15577         * loop-iv.c (iv_analysis_loop_init): Call df_note_add_problem.
15579 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
15581         * config/i386/i386.c: Use ASM_LONG instead of .long.  Concatenate
15582         ASM_LONG, LPREFIX, MCOUNT_NAME and PROFILE_COUNT_REGISTER strings
15583         with the rest of string where appropriate.  Use fputs or putc
15584         instead of fprintf where appropriate.
15586 2009-07-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
15587             Pat Haugen  <pthaugen@us.ibm.com>
15588             Revital Eres <ERES@il.ibm.com>
15590         * config/rs6000/vector.md: New file.  Move most of the vector
15591         expander support here from altivec.md to allow for the VSX vector
15592         unit in the future.  Add support for secondary_reload patterns.
15593         Rewrite the patterns for vector comparison, and vector comparison
15594         predicate instructions so that the RTL expresses the desired
15595         behavior, instead of using unspec.
15597         * config/rs6000/constraints.md ("f" constraint): Use
15598         rs6000_constraints to hold the precalculated register class.
15599         ("d" constraint): Ditto.
15600         ("wd" constraint): New constraint for VSX.
15601         ("wf" constraint): Ditto.
15602         ("ws" constraint): Ditto.
15603         ("wa" constraint): Ditto.
15604         ("wZ" constraint): Ditto.
15605         ("j" constraint): Ditto.
15607         * config/rs6000/predicates.md (vsx_register_operand): New
15608         predicate for VSX.
15609         (vfloat_operand): New predicate for vector.md.
15610         (vint_operand): Ditto.
15611         (vlogical_operand): Ditto.
15612         (easy_fp_constant): If VSX, 0.0 is an easy constant.
15613         (easy_vector_constant): Add VSX support.
15614         (altivec_indexed_or_indirect_operand): New predicate for
15615         recognizing Altivec style memory references with AND -16.
15617         * config/rs6000/rs6000.c (rs6000_vector_reload): New static global
15618         for vector secondary reload support.
15619         (rs6000_vector_reg_class): Delete, replacing it with
15620         rs6000_constraints.
15621         (rs6000_vsx_reg_class): Ditto.
15622         (rs6000_constraints): New array to hold the register classes of
15623         each of the register constraints that can vary at runtime.
15624         (builtin_mode_to_type): New static array for builtin function type
15625         creation.
15626         (builtin_hash_table): New static hash table for builtin function
15627         type creation.
15628         (TARGET_SECONDARY_RELOAD): Define target hook.
15629         (TARGET_IRA_COVER_CLASSES): Ditto.
15630         (rs6000_hard_regno_nregs_internal): If -mvsx, floating point
15631         registers are 128 bits if VSX memory reference instructions are used.
15632         (rs6000_hard_regno_mode_ok): For VSX, only check if the VSX memory
15633         unit is being used.
15634         (rs6000_debug_vector_unit): Move into rs6000_debug_reg_global.
15635         (rs6000_debug_reg_global): Move -mdebug=reg statements here.
15636         Print several of the scheduling related parameters.
15637         (rs6000_init_hard_regno_mode_ok): Switch to putting constraints in
15638         rs6000_constraints instead of rs6000_vector_reg_class.  Move
15639         -mdebug=reg code to rs6000_debug_reg_global.  Add support for
15640         -mvsx-align-128 debug switch.  Drop testing float_p if VSX or
15641         Altivec.  Add VSX support.  Setup for secondary reload support on
15642         Altivec/VSX registers.
15643         (rs6000_override_options): Make power7 set the scheduling groups
15644         like the power5.  Add support for new debug switches to override
15645         the scheduling defaults.  Temporarily disable -mcpu=power7 from
15646         setting -mvsx.  Add support for debug switches -malways-hint,
15647         -msched-groups, and -malign-branch-targets.
15648         (rs6000_buitlin_conversion): Add support for returning unsigned
15649         vector conversion functions to fix regressions due to stricter
15650         type checking.
15651         (rs6000_builtin_mul_widen_even): Ditto.
15652         (rs6000_builtin_mul_widen_odd): Ditto.
15653         (rs6000_builtin_vec_perm): Ditto.
15654         (rs6000_vec_const_move): On VSX, use xxlxor to clear register.
15655         (rs6000_expand_vector_init): Initial VSX support for using xxlxor
15656         to zero a register.
15657         (rs6000_emit_move): Fixup invalid const symbol_ref+reg that is
15658         generated upstream.
15659         (bdesc_3arg): Add builtins for unsigned types.  Add builtins for
15660         VSX types for bit operations.  Changes to accomidate vector.md.
15661         (bdesc_2arg): Ditto.
15662         (bdesc_1arg): Ditto.
15663         (struct builtin_description_predicates): Rewrite predicate
15664         handling so that RTL describes the operation, instead of passing
15665         the instruction to be used as a string argument.
15666         (bdesc_altivec_preds): Ditto.
15667         (altivec_expand_predicate_builtin): Ditto.
15668         (altivec_expand_builtin): Ditto.
15669         (rs6000_expand_ternop_builtin): Use a switch instead of an if
15670         statement for vsldoi support.
15671         (altivec_expand_ld_builtin): Change to use new names from vector.md.
15672         (altivec_expand_st_builtin): Ditto.
15673         (paired_expand_builtin): Whitespace changes.
15674         (rs6000_init_builtins): Add V2DF/V2DI types.  Initialize the
15675         builtin_mode_to_type table for secondary reload.  Call
15676         builtin_function_type to build random builtin functions.
15677         (altivec_init_builtins): Change to use builtin_function_type to
15678         create builtin function types dynamically as we need them.
15679         (builtin_hash_function): New support for hashing the tree types
15680         for builtin function as we need it, rather than trying to build
15681         all of the trees that we need.  Add initial preliminary VSX support.
15682         (builtin_function_type): Ditto.
15683         (builtin_function_eq): Ditto.
15684         (builtin_hash_struct): Ditto.
15685         (rs6000_init_builtins): Ditto.
15686         (rs6000_common_init_builtins): Ditto.
15687         (altivec_init_builtins): Ditto.
15688         (rs6000_common_init_builtins): Ditto.
15689         (enum reload_reg_type): New enum for simplifing reg classes.
15690         (rs6000_reload_register_type): Simplify register classes into GPR,
15691         Vector, and other registers.  Altivec and VSX addresses in reload.
15692         (rs6000_secondary_reload_inner): Ditto.
15693         (rs6000_ira_cover_classes): New target hook, that returns the
15694         appropriate cover classes, based on -mvsx being used or not.
15695         (rs6000_secondary_reload_class): Add VSX support.
15696         (get_vec_cmp_insn): Delete, rewrite vector conditionals.
15697         (get_vsel_insn): Ditto.
15698         (rs6000_emit_vector_compare): Rewrite vector conditional support
15699         so that where we can, we use RTL operators, instead of blindly use
15700         UNSPEC.
15701         (rs6000_emit_vector_select): Ditto.
15702         (rs6000_emit_vector_cond_expr): Ditto.
15703         (rs6000_emit_minmax): Directly generate min/max under altivec, vsx.
15704         (create_TOC_reference): Add -mdebug=addr support.
15705         (emit_frame_save): VSX loads/stores need register indexed addressing.
15707         * config/rs6000/rs6000.md: Include vector.md.
15709         * config/rs6000/t-rs6000 (MD_INCLUDES): Add vector.md.
15711         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
15712         support for V2DI, V2DF in logical, permute, select operations.
15714         * config/rs6000/rs6000.opt (-mvsx-scalar-double): Add new debug
15715         switch for vsx/power7.
15716         (-mvsx-scalar-memory): Ditto.
15717         (-mvsx-align-128): Ditto.
15718         (-mallow-movmisalign): Ditto.
15719         (-mallow-df-permute): Ditto.
15720         (-msched-groups): Ditto.
15721         (-malways-hint): Ditto.
15722         (-malign-branch-targets): Ditto.
15724         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Delete, use target
15725         hook instead.
15726         (IRA_COVER_CLASSES_PRE_VSX): Cover classes if not -mvsx.
15727         (IRA_COVER_CLASSES_VSX): Cover classes if -mvsx.
15728         (rs6000_vector_reg_class): Delete.
15729         (rs6000_vsx_reg_class): Ditto.
15730         (enum rs6000_reg_class_enum): New enum for the constraints that
15731         vary based on target switches.
15732         (rs6000_constraints): New array to hold the register class for all
15733         of the register constraints that vary based on the switches used.
15734         (ALTIVEC_BUILTIN_*_UNS): Add unsigned builtin functions.
15735         (enum rs6000_builtins): Add unsigned varients for the builtin
15736         declarations returned by target hooks for expanding multiplies,
15737         select, and permute operations.  Add VSX builtins.
15738         (enum rs6000_builtin_type_index): Add entries for VSX.
15739         (V2DI_type_node): Ditto.
15740         (V2DF_type_node): Ditto.
15741         (unsigned_V2DI_type_node): Ditto.
15742         (bool_long_type_node): Ditto.
15743         (intDI_type_internal_node): Ditto.
15744         (uintDI_type_internal_node): Ditto.
15745         (double_type_internal_node): Ditto.
15747         * config/rs6000/altivec.md (whole file): Move all expanders to
15748         vector.md from altivec.md.  Rename insn matching functions to be
15749         altivec_foo.
15750         (UNSPEC_VCMP*): Delete, rewrite vector comparisons.
15751         (altivec_vcmp*): Ditto.
15752         (UNSPEC_VPERM_UNS): New, add for unsigned types using vperm.
15753         (VM): New iterator for moves that includes the VSX types.
15754         (altivec_vperm_<mode>): Add VSX types.  Add unsigned types.
15755         (altivec_vperm_<mode>_uns): New, for unsigned types.
15756         (altivec_vsel_*): Rewrite vector comparisons and predicate builtins.
15757         (altivec_eq<mode>): Ditto.
15758         (altivec_gt<mode>): Ditto.
15759         (altivec_gtu<mode>): Ditto.
15760         (altivec_eqv4sf): Ditto.
15761         (altivec_gev4sf): Ditto.
15762         (altivec_gtv4sf): Ditto.
15763         (altivec_vcmpbfp_p): Ditto.
15765 2009-07-23  Richard Earnshaw  <rearnsha@arm.com>
15767         * arm.md (split for ior/xor with shift and zero-extend): Cast op3 to
15768         unsigned HWI.
15770 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
15772         PR target/40832
15773         * config/i386/i386.c (output_387_ffreep): Rewrite to use
15774         ASM_SHORT instead of .word.
15775         * config/i386/i386.md (*tls_global_dynamic_64): Use ASM_SHORT
15776         instead of .word in asm template.
15778 2009-07-22  Vladimir Makarov  <vmakarov@redhat.com>
15780         PR target/37488
15781         * ira-lives.c (bb_has_abnormal_call_pred): New function.
15782         (process_bb_node_lives): Use it.
15784         * ira.c (setup_cover_and_important_classes): Don't setup
15785         ira_important_class_nums.  Add cover classes to the end of
15786         important classes.
15787         (cover_class_order, comp_reg_classes_func, reorder_important_classes):
15788         New.
15789         (find_reg_class_closure): Use reorder_important_classes.
15791         * config/i386/i386.h (IRA_COVER_CLASSES): Remove.
15793         * config/i386/i386.c (i386_ira_cover_classes): New function.
15794         (TARGET_IRA_COVER_CLASSES): Redefine.
15796         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Add a comment about
15797         importance of order of cover classes in the array.
15799 2009-07-22  Diego Novillo  <dnovillo@google.com>
15801         * tree-pass.h (TDF_EH): Define.
15802         * gimple-pretty-print.c (dump_gimple_stmt): If FLAGS
15803         contains TDF_EH, print the EH region number holding GS.
15804         * tree-dump.c (dump_options): Add "eh".
15805         * doc/invoke.texi: Document it.
15807 2009-07-22  Doug Kwan  <dougkwan@google.com>
15809         * config/arm/arm.md (subdi3) Copy non-reg values to DImode registers.
15811 2009-07-22  Michael Matz  <matz@suse.de>
15813         PR tree-optimization/35229
15814         PR tree-optimization/39300
15816         * tree-ssa-pre.c (includes): Include tree-scalar-evolution.h.
15817         (inhibit_phi_insertion): New function.
15818         (insert_into_preds_of_block): Call it for REFERENCEs.
15819         (init_pre): Initialize and finalize scalar evolutions.
15820         * Makefile.in (tree-ssa-pre.o): Depend on tree-scalar-evolution.h .
15822 2009-07-22  Uros Bizjak  <ubizjak@gmail.com>
15824         * config/i386/predicates.md (zero_extended_scalar_load_operand):
15825         Use CONST_VECTOR_NUNITS to determine number of elements.
15827 2009-07-22  Andreas Krebbel  <krebbel1@de.ibm.com>
15829         * config/s390/constraints.md (ZQ, ZR, ZS, ZT): New constraints.
15830         (U, W): Constraints are now deprecated and will be removed if we
15831         run out of letters.
15832         * config/s390/s390.md (U, W): Replaced with ZQZR, ZSZT throughout
15833         the file.
15834         ("prefetch"): Add the stcmh instruction for prefetching.
15835         * config/s390/s390.c (s390_symref_operand_p): Function moved. No
15836         changes.
15837         (s390_short_displacement): Return always true if compiling for
15838         machines not providing the long displacement facility.
15839         (s390_mem_constraint): Support the new constraint letter Z.
15840         (s390_check_qrst_address): New function.
15842 2009-07-21  DJ Delorie  <dj@redhat.com>
15844         * config/mep/mep.c (mep_legitimize_arg): Leave control registers
15845         alone too.
15847 2009-07-21  Jason Merrill  <jason@redhat.com>
15849         * c-common.c (max_tinst_depth): Increase default to 1024.
15851 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
15853         * config/i386/sse.md (vec_unpacku_float_hi_v4si): New expander.
15854         (vec_unpacku_float_lo_v4si): Ditto.
15856 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
15858         PR target/40811
15859         * config/i386/sse.md (sse2_cvtudq2ps): New expander.
15860         (enum ix86_builtins): Add IX86_BUILTIN_CVTUDQ2PS.
15861         (builtin_description): Add __builtin_ia32_cvtudq2ps.
15862         (ix86_vectorize_builtin_conversion): Handle IX86_BUILTIN_CVTUDQ2PS.
15864 2009-07-21  Jakub Jelinek  <jakub@redhat.com>
15866         PR tree-optimization/40813
15867         * tree-inline.c (copy_bb): Regimplify RHS after last stmt, not before
15868         it.
15870 2009-07-21  Kaz Kojima  <kkojima@gcc.gnu.org>
15872         * config/sh/sh.c (sh_gimplify_va_arg_expr): Wrap the result
15873         with a NOP_EXPR if needed.
15875 2009-07-21  Paul Brook <paul@codesourcery.com>
15877         * tree-vectorizer.c (increase_alignment): Handle nested arrays.
15878         Terminate debug dump with newline.
15880 2009-07-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15882         * pa.c (compute_zdepwi_operands): Limit deposit length to 32 - lsb.
15883         Cast "1" to unsigned HOST_WIDE_INT.
15884         (compute_zdepdi_operands): Limit maximum length to 64 bits.  Limit
15885         deposit length to the maximum length - lsb.  Extend length if
15886         HOST_BITS_PER_WIDE_INT is 32.
15888 2009-07-20  Olatunji Ruwase <tjruwase@google.com>
15890         * cgraph.h (constant_pool_htab): New function.
15891         (constant_descriptor_tree): Move from varasm.c.
15892         * varasm.c (constant_pool_htab): New function.
15893         (constant_descriptor_tree): Move to cgraph.h.
15895 2009-07-20  Olatunji Ruwase  <tjruwase@google.com>
15897         * toplev.c: Invoke FINISH_UNIT callbacks before call to finalize().
15899 2009-07-20  Shujing Zhao  <pearly.zhao@oracle.com>
15901         * Makefile.in (TREE_INLINE_H, tree-inline.o, cgraph.o): Remove
15902         $(VARRAY_H).
15904 2009-07-20  Xinliang David Li  <davidxl@google.com>
15906         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add length check.
15908 2009-07-20  Adam Nemet  <anemet@caviumnetworks.com>
15910         * config/mips/mips.md (move_type): Add arith.
15911         (type): Handle arith.
15912         (zero_extendsidi2): Rename this into ...
15913         (*zero_extendsidi2): ... this.  Don't match if ISA_HAS_EXT_INS.
15914         (zero_extendsidi2): New expander.
15915         (*zero_extendsidi2_dext): New pattern.
15917 2009-07-20  Nick Clifton  <nickc@redhat.com>
15919         * config.gcc (mips64-*-*): Add definition of tm_defines in order
15920         to set MIPS_ABI_DEFAULT.
15921         * config/mips/vr.h (MIPS_ABI_DEFAULT): Remove definition.
15923 2009-07-20  Jakub Jelinek  <jakub@redhat.com>
15925         * tree-object-size.c (addr_object_size): Handle unions with
15926         array in it as last field of structs in __bos (, 1) as __bos (, 0).
15928         PR tree-optimization/40792
15929         * tree.c (build_function_type_skip_args): Remove bogus assert.
15931 2009-07-20  Jan Hubicka  <jh@suse.cz>
15932             Martin Jambor  <mjambor@suse.cz>
15934         * cgraph.h (combined_args_to_skip): New field.
15935         * cgraph.c (cgraph_create_virtual_clone): Properly handle
15936         combined_args_to_skip and args_to_skip.
15937         * tree-inline.c (update_clone_info): New function.
15938         (tree_function_versioning): Call update_clone_info.
15939         * cgraphunit.c (cgraph_materialize_clone): Dump materialized
15940         functions.
15941         (cgraph_materialize_all_clones): More extensive dumping, working
15942         with combined_args_to_skip rather than args_to_skip.
15944 2009-07-20  Ira Rosen  <irar@il.ibm.com>
15946         * tree-vectorizer.h (vectorizable_condition): Add parameters.
15947         * tree-vect-loop.c (vect_is_simple_reduction): Support COND_EXPR.
15948         (get_initial_def_for_reduction): Likewise.
15949         (vectorizable_reduction): Skip the check of first operand in case
15950         of COND_EXPR. Add check that it is outer loop vectorization if
15951         nested cycle was detected. Call vectorizable_condition() for
15952         COND_EXPR. If reduction epilogue cannot be created do not fail for
15953         nested cycles (if it is not double reduction). Assert that there
15954         is only one type in the loop in case of COND_EXPR. Call
15955         vectorizable_condition() to vectorize COND_EXPR.
15956         * tree-vect-stmts.c (vectorizable_condition): Update comment.
15957         Add parameters. Allow nested cycles if called from
15958         vectorizable_reduction(). Use reduction vector variable if provided.
15959         (vect_analyze_stmt): Call vectorizable_reduction() before
15960         vectorizable_condition().
15961         (vect_transform_stmt): Update call to vectorizable_condition().
15963 2009-07-20  Christian Bruel  <christian.bruel@st.com>
15965         * config/sh/sh.opt (-mfmovd): Resurrect and document.
15966         * doc/invoke.texi (-mfmovd): Likewise.
15967         * config/sh/sh.h (TARGET_FMOVD, MASK_FMOVD): Remove default setting.
15969 2009-07-20  Jan Hubicka  <jh@suse.cz>
15971         * tree-ssa-dce.c (remove_dead_phis): Only look for abnormal PHIs
15972         when handling SSA name.
15974 2009-07-19  Jan Hubicka  <jh@suse.cz>
15976         PR tree-optimization/40676
15977         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do renaming on all
15978         virtual PHIs in empty BBs.
15980 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
15982         * combine.c (make_compound_operation) <SUBREG>: If force_to_mode
15983         re-expanded the compound use gen_lowpart instead to convert to the
15984         desired mode.
15986 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
15988         * combine.c (try_widen_shift_mode): Add COUNT, OUTER_CODE and
15989         OUTER_CONST arguments.
15990         <LSHIFTRT>: Use them to allow widening if the bits shifted in from
15991         the new wider mode will be masked off.
15992         (simplify_shift_const_1): Adjust calls to try_widen_shift_mode.
15994 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
15996         * combine.c (try_widen_shift_mode) <LSHIFTRT>: Allow widening if the
15997         high-order bits are zero.
15999 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
16001         * combine.c (simplify_shift_const_1): Split code to determine
16002         shift_mode into ...
16003         (try_widen_shift_mode): ... here.  Allow widening for ASHIFTRT if the
16004         new bits shifted in are identical to the old sign bit.
16006 2009-07-18  Richard Guenther  <rguenther@suse.de>
16008         PR c/40787
16009         * gimplify.c (gimplify_call_expr): Reject code using results from
16010         functions returning void.
16012 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
16014         * doc/md.texi: Document the new PowerPC "es" constraint.
16015         Document that "m" can include automodified addresses on this target,
16016         and explain how %U must be used.  Extend the "Q" and "Z" documentation
16017         to suggest "es" as well as "m".
16018         * config/rs6000/constraints.md (es): New memory constraint.
16019         (Q, Z): Update strings to match new documentation.
16021 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
16023         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Allow any
16024         offset from virtual_stack_vars_rtx and arg_pointer_rtx.
16025         * config/rs6000/predicates.md (volatile_mem_operand): Use
16026         offsettable_nonstrict_memref_p.
16027         * config/rs6000/rs6000.md (*floatsidf2_internal): Remove split check.
16028         (*floatunssidf2_internal): Likewise.
16029         (*fix_truncdfsi2_internal): Likewise.
16030         (*fix_trunctfsi2_internal): Likewise.
16032 2009-07-17  Anatoly Sokolov  <aesok@post.ru>
16034         * config/avr/avr-devices.c (avr_mcu_t): Add atmega8u2, atmega16u2 and
16035         atmega32u2 devices.
16036         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
16038 2009-07-17  Richard Guenther  <rguenther@suse.de>
16040         PR c/40401
16041         * tree-pass.h (pass_diagnose_omp_blocks): Declare.
16042         (pass_warn_unused_result): Likewise.
16043         (TODO_set_props): Remove.
16044         * omp-low.c (diagnose_omp_structured_block_errors): Change to
16045         run as a pass.
16046         (pass_diagnose_omp_blocks): Define.
16047         * c-decl.c (pop_file_scope): Do not finalize the CU here.
16048         (c_gimple_diagnostics_recursively): Remove.
16049         (finish_function): Do not call it.
16050         (c_write_global_declarations): Continue after errors.
16051         Finalize the CU here.
16052         * c-gimplify.c (c_genericize): Do not gimplify here.
16053         * c-common.c (c_warn_unused_result): Move ...
16054         * tree-cfg.c (do_warn_unused_result): ... here.
16055         (run_warn_unused_result): New function.
16056         (gate_warn_unused_result): New function.
16057         (pass_warn_unused_result): New pass.
16058         * c-common.h (c_warn_unused_result): Remove.
16059         * flags.h (flag_warn_unused_result): Declare.
16060         * c-opts.c (c_common_init_options): Enable flag_warn_unused_result.
16061         * opts.c (flag_warn_unused_result): Initialize to false.
16062         * toplev.c (compile_file): Add comment.
16063         * omp-low.c (create_omp_child_function): Do not register
16064         the function with the frontend.
16065         (diagnose_omp_structured_block_errors): Prepare to be
16066         called as optimization pass.
16067         (gate_diagnose_omp_blocks): New function.
16068         (pass_diagnose_omp_blocks): New pass.
16069         * cgraph.h (cgraph_optimize): Remove.
16070         (cgraph_analyze_function): Likewise.
16071         * cgraph.c (cgraph_add_new_function): Gimplify C++ thunks.
16072         * cgraphunit.c (cgraph_lower_function): Lower nested functions
16073         before their parents here.
16074         (cgraph_finalize_function): Not here.
16075         (cgraph_analyze_function): Gimplify functions here.
16076         (cgraph_finalize_compilation_unit): Continue after errors.
16077         Optimize the callgraph from here.
16078         (cgraph_optimize): Make static.
16079         * langhooks.c (write_global_declarations): Finalize the CU.
16080         * gimplify.c (gimplify_asm_expr): Do not emit ASMs with errors.
16081         (gimplify_function_tree): Assert we gimplify only once.
16082         Set PROP_gimple_any property.
16083         * tree-nested.c (gimplify_all_functions): New function.
16084         (lower_nested_functions): Gimplify all nested functions.
16085         * gimple.h (diagnose_omp_structured_block_errors): Remove.
16086         * passes.c (init_optimization_passes): Add pass_warn_unused_result
16087         and pass_diagnose_omp_blocks after gimplification.  Do not
16088         set TODO_set_props on all_lowering_passes.
16089         (execute_one_pass): Do not handle TODO_set_props.
16090         * Makefile.in (cgraphunit.o): Add $(TREE_DUMP_H) dependency.
16091         (gimplify.o): Add tree-pass.h dependency.
16092         * tree-inline.c (copy_statement_list): Properly copy STATEMENT_LIST.
16093         (copy_tree_body_r): Properly handle TARGET_EXPR like SAVE_EXPR.
16094         (unsave_r): Likewise.
16095         * c-omp.c (c_finish_omp_atomic): Set DECL_CONTEXT on the
16096         temporary variable.
16098 2009-07-17  Sandra Loosemore  <sandra@codesourcery.com>
16100         * doc/service.texi (Service): Restore previously removed link,
16101         which isn't broken after all.
16103 2009-07-17  Richard Guenther  <rguenther@suse.de>
16105         PR tree-optimization/40321
16106         * tree-ssa-pre.c (add_to_exp_gen): Also add names defined by
16107         PHI nodes to the maximal set.
16108         (make_values_for_phi): Add PHI arguments to the maximal set.
16109         (execute_pre): Dump PHI_GEN and the maximal set.
16111 2009-07-17  Jakub Jelinek  <jakub@redhat.com>
16113         PR c++/40780
16114         * gimplify.c (gimplify_conversion): Don't change non-conversions into
16115         VIEW_CONVERT_EXPR.
16117 2009-07-16  Sandra Loosemore  <sandra@codesourcery.com>
16119         * doc/extend.texi (Nested Functions): Replace broken link with
16120         textual reference.
16121         * doc/service.texi (Service): Remove broken link.
16123 2009-07-16  H.J. Lu  <hongjiu.lu@intel.com>
16125         PR bootstrap/40781
16126         * builtins.c (expand_builtin_memcmp): Use loc instead of
16127         EXPR_LOCATION (exp).
16128         (expand_builtin_strncmp): Likewise.
16130 2009-07-17  Aldy Hernandez  <aldyh@redhat.com>
16131             Manuel López-Ibáñez  <manu@gcc.gnu.org>
16133         PR 40435
16134         * tree-complex.c, tree-loop-distribution.c, tree.c, tree.h,
16135         builtins.c, fold-const.c, omp-low.c, cgraphunit.c, tree-ssa-ccp.c,
16136         tree-ssa-dom.c, gimple-low.c, expr.c, tree-ssa-ifcombine.c,
16137         c-decl.c, stor-layout.c, tree-if-conv.c, c-typeck.c, gimplify.c,
16138         calls.c, tree-sra.c, tree-mudflap.c, tree-ssa-copy.c,
16139         tree-ssa-forwprop.c, c-convert.c, c-omp.c, varasm.c,
16140         tree-inline.c, c-common.c, c-common.h, gimple.c,
16141         tree-switch-conversion.c, gimple.h, tree-cfg.c, c-parser.c,
16142         convert.c: Add location argument to fold_{unary,binary,ternary},
16143         fold_build[123], build_call_expr, build_size_arg,
16144         build_fold_addr_expr, build_call_array, non_lvalue, size_diffop,
16145         fold_build1_initializer, fold_build2_initializer,
16146         fold_build3_initializer, fold_build_call_array,
16147         fold_build_call_array_initializer, fold_single_bit_test,
16148         omit_one_operand, omit_two_operands, invert_truthvalue,
16149         fold_truth_not_expr, build_fold_indirect_ref, fold_indirect_ref,
16150         combine_comparisons, fold_builtin_*, fold_call_expr,
16151         build_range_check, maybe_fold_offset_to_address, round_up,
16152         round_down.
16154 2009-07-16  Jason Merrill  <jason@redhat.com>
16156         PR libstdc++/37907
16157         * c-common.c (c_common_reswords): Add __is_standard_layout
16158         and __is_trivial.
16159         * c-common.h (enum rid): Add RID_IS_STD_LAYOUT and RID_IS_TRIVIAL.
16160         * doc/implement-cxx.texi: New.
16161         * doc/gcc.texi: Include it.
16163 2009-07-16  DJ Delorie  <dj@redhat.com>
16165         * config/m32c/m32c.c (m32c_compare_redundant): Avoid removing
16166         compares that may be indirectly affected by previous instructions.
16168 2009-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16170         * builtins.c (do_mpc_arg2): New.
16171         (fold_builtin_2): Fold builtin cpow.
16172         * real.h (HAVE_mpc_pow): New.
16174 2009-07-16  Bingfeng Mei  <bmei@broadcom.com>
16176         * modulo-sched.c (sms_schedule): stage_count <= 1 as correct
16177         comparison to skip unprofitable schedule
16179 2009-07-16  Simon Baldwin  <simonb@google.com>
16181         * gcc.c (option_map): New flag -no-canonical-prefixes.
16182         * (display_help): Print help text for new flag.
16183         * (process_command): Move options translation and language specifics
16184         and handle new flag early.  Use it to set a function pointer to a
16185         prefix builder.  Replace make_relative_prefix calls with calls to
16186         the function pointed to.  Ignore new flag in regular options handling.
16187         * doc/invoke.texi (Overall Options): Documented -no-canonical-prefixes.
16189 2009-07-15  DJ Delorie  <dj@redhat.com>
16191         * config/mep/mep.md (sibcall_internal): Change register to avoid
16192         argument registers.
16193         (sibcall_value_internal): Likewise.
16195 2009-07-15  Eric Botcazou  <ebotcazou@adacore.com>
16197         PR rtl-optimization/40710
16198         * resource.c (mark_target_live_regs): Reset DF problem to LR.
16200 2009-07-15  Adam Nemet  <anemet@caviumnetworks.com>
16202         * config/mips/mips.md (*extenddi_truncate<mode>,
16203         *extendsi_truncate<mode>): Change type attribute to move_type
16204         with shift_shift.  Split out code handling exts from here ...
16205         (*extend<GPR:mode>_truncate<SHORT:mode>_exts): ... to this new
16206         pattern.
16207         (*extendhi_truncateqi): Change type attribute to move_type with
16208         shift_shift.  Split out code handling exts from here ...
16209         (*extendhi_truncateqi_exts): ... to this new pattern.
16211 2009-07-15  Uros Bizjak  <ubizjak@gmail.com>
16213         * config/i386/sse.md (copysign<mode>3): Use "and-not" SSE instruction
16214         instead of "and" with inverted sign bit mask value.  Use
16215         "nonimmediate_operand" for operand 1 and operand 2 predicate.
16216         Allocate registers only for operand 4 and operand 5.
16218 2009-07-15  Jakub Jelinek  <jakub@redhat.com>
16220         PR middle-end/40747
16221         * fold-const.c (fold_cond_expr_with_comparison): When folding
16222         < and <= to MIN, make sure the MIN uses the same type as the
16223         comparison's operands.
16225 2009-07-15  Richard Earnshaw  <rearnsha@arm.com>
16227         * arm.md (ior_xor): New code iterator.
16228         (split for ior/xor with shift and zero-extend): New split pattern.
16229         * arm/predicates.md (subreg_lowpart_operator): New special predicate.
16231 2009-07-15  Richard Guenther  <rguenther@suse.de>
16233         * tree-ssa-structalias.c (make_constraint_from_heapvar): Initialize
16234         offset member.
16236 2009-07-15  Richard Guenther  <rguenther@suse.de>
16238         PR middle-end/40753
16239         * alias.c (ao_ref_from_mem): Reject FUNCTION_DECL and LABEL_DECL bases.
16241 2009-07-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
16243         * config/m68k/linux-unwind.h (m68k_fallback_frame_state): Update to
16244         handle 2.6.30 kernel.
16246 2009-07-15  DJ Delorie  <dj@redhat.com>
16248         * config/mep/mep.md (sibcall_internal): Change register to allow
16249         for 24-bit addresses.
16250         (sibcall_value_internal): Likewise.
16252 2009-07-14  Ghassan Shobaki  <ghassan.shobaki@amd.com>
16254         * doc/invoke.texi: Added descriptions of the  scheduling heuristics
16255         that are enabled/disabled by the flags introduced by a previous patch.
16257 2009-07-14  DJ Delorie  <dj@redhat.com>
16259         * config/mep/mep.md (sibcall_internal): Include non-toggling
16260         non-jmp case.
16261         (sibcall_value_internal): Likewise.
16263 2009-07-14  Taras Glek  <tglek@mozilla.com>
16264             Rafael Espindola  <espindola@google.com>
16266         * doc/sourcebuild.texi: Document install-plugin target.
16267         * configure.ac: Added install-plugin target to language makefiles.
16268         * configure: Regenerate.
16269         * Makefile.in (install-plugin): Install more headers,
16270         depend on lang.install-plugin.
16272 2009-07-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16274         * tree-vrp.c (vrp_evaluate_conditional): Mark strings for
16275         translation.
16277 2009-07-14  DJ Delorie  <dj@redhat.com>
16279         * config/mep/mep.c (mep_vliw_jmp_match): New function.
16280         * config/mep/mep-protos.h (mep_vliw_jmp_match): Prototype it.
16281         * config/mep/mep.md (sibcall_internal): Change test from
16282         mep_vliw_mode_match to mep_vliw_jmp_match.
16283         (sibcall_value_internal): Likewise.
16285 2009-07-14  Uros Bizjak  <ubizjak@gmail.com>
16287         * config/i386/sse.md (copysign<mode>3): New expander.
16288         * config/i386/i386-protos.h (ix86_build_signbit_mask): New prototype.
16289         * config/i386/i386.c (ix86_build_signbit_mask): Make public.
16290         Use ix86_build_const_vector.
16291         (enum ix86_builtins): Add IX86_BUILTIN_CPYSGNPS and
16292         IX86_BUILTIN_CPYSGNPD.
16293         (builtin_description): Add __builtin_ia32_copysignps and
16294         __builtin_ia32_copysignpd.
16295         (ix86_builtin_vectorized_function): Handle BUILT_IN_COPYSIGN
16296         and BUILT_IN_COPYSIGNF.
16298 2009-07-13  Jason Merrill  <jason@redhat.com>
16300         * builtins.c (can_trust_pointer_alignment): New fn.
16301         (get_pointer_alignment): Factor it out from here.
16302         * tree.h: Declare it.
16304 2009-07-14  David Edelsohn  <edelsohn@gnu.org>
16306         * config/rs6000/predicates.md (offsettable_mem_operand): Test
16307         RTX_AUTOINC class.
16309 2009-07-14  Dodji Seketeli  <dodji@redhat.com>
16311         PR debug/40705
16312         PR c++/403057
16313         * dwarf2.out.c (gen_type_die_with_usage): Added comment.
16315 2009-07-14  Richard Guenther  <rguenther@suse.de>
16316             Andrey Belevantsev <abel@ispras.ru>
16318         PR middle-end/40745
16319         * cfgexpand.c (partition_stack_vars): Do not bother to update
16320         alias information when not optimizing.
16322 2009-07-14  Richard Guenther  <rguenther@suse.de>
16323             Andrey Belevantsev <abel@ispras.ru>
16325         * tree-ssa-alias.h (refs_may_alias_p_1): Declare.
16326         (pt_solution_set): Likewise.
16327         * tree-ssa-alias.c (refs_may_alias_p_1): Export.
16328         * tree-ssa-structalias.c (pt_solution_set): New function.
16329         * final.c (rest_of_clean_state): Free SSA data structures.
16330         * print-rtl.c (print_decl_name): Remove.
16331         (print_mem_expr): Implement in terms of print_generic_expr.
16332         * alias.c (ao_ref_from_mem): New function.
16333         (rtx_refs_may_alias_p): Likewise.
16334         (true_dependence): Query alias-export info.
16335         (canon_true_dependence): Likewise.
16336         (write_dependence_p): Likewise.
16337         * tree-dfa.c (get_ref_base_and_extent): For void types leave
16338         size unknown.
16339         * emit-rtl.c (component_ref_for_mem_expr): Remove.
16340         (mem_expr_equal_p): Use operand_equal_p.
16341         (set_mem_attributes_minus_bitpos): Do not use
16342         component_ref_for_mem_expr.
16343         * cfgexpand.c (add_partitioned_vars_to_ptset): New function.
16344         (update_alias_info_with_stack_vars): Likewise.
16345         (partition_stack_vars): Call update_alias_info_with_stack_vars.
16346         * tree-ssa.c (delete_tree_ssa): Do not release SSA names
16347         explicitly nor clear stmt operands.
16348         Free the decl-to-pointer map.
16349         * tree-optimize.c (execute_free_datastructures): Do not free
16350         SSA data structures here.
16351         * tree-flow.h (struct gimple_df): Add decls_to_pointers member.
16352         * Makefile.in (emit-rtl.o): Add pointer-set.h dependency.
16353         (alias.o): Add tree-ssa-alias.h, pointer-set.h and $(TREE_FLOW_H)
16354         dependencies.
16355         (print-rtl.o): Add $(DIAGNOSTIC_H) dependency.
16357 2009-07-13  DJ Delorie  <dj@redhat.com>
16359         * config/mep/mep.h (CC1_SPEC): Tweak parameters to trigger
16360         unrolling at the right iteration count.
16362         * config/mep/mep.c (mep_expand_prologue): Fix frame pointer
16363         calculations.
16365 2009-07-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
16367         * haifa-sched.c (rank_for_schedule): Introduced flags to
16368         enable/disable individual scheduling heuristics.
16369         * common.opt: Introduced flags to enable/disable individual
16370         heuristics in the scheduler.
16371         * doc/invoke.texi: Introduced flags to enable/disable individual
16372         heuristics in the scheduler.
16374 2009-07-13  Kai Tietz  <kai.tietz@onevision.com>
16376         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Remove file
16377         config/i386/mingw-tls.c.
16378         * config/i386/mingw-tls.c: Removed.
16380 2009-07-13  Ira Rosen  <irar@il.ibm.com>
16382         * tree-vect-loop.c (get_initial_def_for_reduction): Ensure that the
16383         checks access only relevant statements.
16384         (vectorizable_reduction): Likewise.
16386 2009-07-12  Kai Tietz  <kai.tietz@onevision.com>
16388         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_
16389         just for 32-bit case.
16391 2009-07-12  Jan Hubicka  <jh@suse.cz>
16393         PR tree-optimization/40585
16394         * except.c (expand_resx_expr): When there already is resume
16395         instruction, produce linked list.
16396         (build_post_landing_pads): Assert that resume is empty.
16397         (connect_post_landing_pads): Handle resume lists.
16398         (dump_eh_tree): Dump resume list.
16400 2009-07-12  Ira Rosen  <irar@il.ibm.com>
16402         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
16403         with additional argument.
16404         * tree-vectorizer.h (enum vect_def_type): Add
16405         vect_double_reduction_def.
16406         (vect_is_simple_reduction): Add argument.
16407         * tree-vect-loop.c (vect_determine_vectorization_factor): Fix
16408         indentation.
16409         (vect_analyze_scalar_cycles_1): Detect double reduction. Call
16410         vect_is_simple_reduction with additional argument.
16411         (vect_analyze_loop_operations): Handle exit phi nodes in case of
16412         double reduction.
16413         (reduction_code_for_scalar_code): Handle additional codes by
16414         returning ERROR_MARK for them. Fix comment and indentation.
16415         (vect_is_simple_reduction): Fix comment, add argument to specify
16416         double reduction. Detect double reduction.
16417         (get_initial_def_for_induction): Fix indentation.
16418         (get_initial_def_for_reduction): Fix comment and indentation.
16419         Handle double reduction. Create initial definitions that do not
16420         require adjustment if ADJUSTMENT_DEF is NULL. Handle additional cases.
16421         (vect_create_epilog_for_reduction): Fix comment, add argument to
16422         handle double reduction. Use PLUS_EXPR in case of MINUS_EXPR in
16423         epilogue result extraction. Create double reduction phi node and
16424         replace relevant uses.
16425         (vectorizable_reduction): Call vect_is_simple_reduction with
16426         additional argument. Fix indentation. Update epilogue code treatment
16427         according to the changes in reduction_code_for_scalar_code. Check
16428         for double reduction. Call vect_create_epilog_for_reduction with
16429         additional argument.
16430         * tree-vect-stmts.c (process_use): Handle double reduction, update
16431         documentation.
16432         (vect_mark_stmts_to_be_vectorized): Handle double reduction.
16433         (vect_get_vec_def_for_operand): Likewise.
16435 2009-07-12  Danny Smith  <dansmister@gmail.com>
16437         * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't
16438         dllexport if !TREE_PUBLIC.
16439         (i386_pe_maybe_record_exported_symbol): Assert TREE_PUBLIC.
16441 2009-07-11  Anatoly Sokolov  <aesok@post.ru>
16443         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Redefine.
16444         (avr_extra_arch_macro) Remove declatation.
16445         * config/avr/avr.c (avr_cpu_cpp_builtins): New function.
16446         (avr_extra_arch_macro) Declare as static.
16447         * config/avr/avr-protos.h (avr_cpu_cpp_builtins): Dclare.
16449 2009-07-11  Jan Hubicka  <jh@suse.cz>
16451         PR middle-end/48388
16452         * except.c (can_be_reached_by_runtime): Test for NULL aka bitmap.
16454 2009-07-11  Jakub Jelinek  <jakub@redhat.com>
16456         PR debug/40713
16457         * dwarf2out.c (dw_fde_struct): Add in_std_section and
16458         cold_in_std_section bits.
16459         (dwarf2out_begin_prologue): Initialize them.
16460         (dwarf2out_finish): Don't emit FDE range into .debug_ranges
16461         if already covered by text_section or cold_text_section range.
16463         PR rtl-optimization/40667
16464         * defaults.h (MINIMUM_ALIGNMENT): Define if not defined.
16465         * doc/tm.texi (MINIMUM_ALIGNMENT): Document it.
16466         * config/i386/i386.h (MINIMUM_ALIGNMENT): Define.
16467         * config/i386/i386.c (ix86_minimum_alignment): New function.
16468         * config/i386/i386-protos.h (ix86_minimum_alignment): New prototype.
16469         * cfgexpand.c (expand_one_var): Use MINIMIM_ALIGNMENT.
16470         * emit-rtl.c (gen_reg_rtx): Likewise.
16471         * function.c (assign_parms): Likewise.  If nominal_type needs
16472         bigger alignment than FUNCTION_ARG_BOUNDARY, use its alignment
16473         rather than passed_type's alignment.
16475         PR target/40668
16476         * function.c (assign_parm_setup_stack): Adjust
16477         MEM_OFFSET (data->stack_parm) if promoted_mode is different
16478         from nominal_mode on big endian.
16480 2009-07-11  Paolo Bonzini  <bonzini@gnu.org>
16482         * expmed.c (emit_store_flag_1): Fix choice of zero vs. sign extension.
16484 2009-07-10  DJ Delorie  <dj@redhat.com>
16486         * config/mep/mep.c (mep_can_inline_p): Correct logic, and simplify.
16488 2009-07-10  Mark Mitchell  <mark@codesourcery.com>
16490         * config/arm/thumb2.md (thumb2_cbz): Correct computation of length
16491         attribute.
16492         (thumb2_cbnz): Likewise.
16494 2009-07-10  David Daney  <ddaney@caviumnetworks.com>
16496         PR target/39079
16497         * config.gcc (supported_defaults): Add synci.
16498         (with_synci): Add validation.
16499         (all_defaults): Add synci.
16500         * config/mips/mips.md (clear_cache): Use TARGET_SYNCI instead of
16501         ISA_HAS_SYNCI.
16502         (synci): Same.
16503         * config/mips/mips.opt (msynci): New option.
16504         * config/mips/mips.c (mips_override_options): Warn on use of
16505         -msynci for targets that do now support it.
16506         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
16507         msynci.
16508         * gcc/doc/invoke.texi (-msynci): Document the new option.
16509         * doc/install.texi (--with-synci): Document the new option.
16511 2009-07-10  Richard Guenther  <rguenther@suse.de>
16513         PR tree-optimization/40496
16514         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Create
16515         the PHI result with a compatible type.
16517 2009-07-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16519         PR 25509
16520         PR 40614
16521         * c.opt (Wunused-result): New.
16522         * doc/invoke.texi: Document it.
16523         * c-common.c (c_warn_unused_result): Use it.
16525 2009-07-09  DJ Delorie  <dj@redhat.com>
16527         * targhooks.c (default_target_can_inline_p): Rename from
16528         default_target_option_can_inline_p.
16529         * targhooks.h (default_target_can_inline_p): Likewise.
16530         * target-def.h (TARGET_CAN_INLINE_P): Rename from
16531         TARGET_OPTION_CAN_INLINE_P.
16532         * config/i386/i386.c (TARGET_CAN_INLINE_P): Likewise.
16533         * config/mep/mep.c (TARGET_CAN_INLINE_P): Likewise.
16534         (mep_target_can_inline_p): Rename from
16535         mep_target_option_can_inline_p.
16537         PR target/40626
16538         * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Add coprocessor
16539         registers used to pass vectors.
16541         * config/mep/mep.c (mep_option_can_inline_p): Remove error call.
16543 2009-07-09  Tom Tromey  <tromey@redhat.com>
16545         * unwind-dw2-fde-darwin.c: Include dwarf2.h.
16546         * config/mmix/mmix.c: Include dwarf2.h.
16547         * config/rs6000/darwin-fallback.c: Include dwarf2.h.
16548         * config/xtensa/unwind-dw2-xtensa.c: Include dwarf2.h.
16549         * config/sh/sh.c: Include dwarf2.h.
16550         * config/i386/i386.c: Include dwarf2.h.
16551         * Makefile.in (DWARF2_H): Remove 'elf'.
16552         * except.c: Include dwarf2.h.
16553         * unwind-dw2.c: Include dwarf2.h.
16554         * dwarf2out.c: Include dwarf2.h.
16555         * unwind-dw2-fde-glibc.c: Include dwarf2.h.
16556         * unwind-dw2-fde.c: Include dwarf2.h.
16557         * dwarf2asm.c: Include dwarf2.h.
16559 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
16561         * haifa-sched.c (insn_finishes_cycle_p): New static function.
16562         (max_issue): Use it.
16563         * sched-int.h (struct sched_info: insn_finishes_block_p): New
16564         scheduler hook.
16565         * sched-rgn.c (rgn_insn_finishes_block_p): Implement it.
16566         (region_sched_info): Update.
16567         * sched-ebb.c (ebb_sched_info): Update.
16568         * modulo-sched.c (sms_sched_info): Update.
16569         * sel-sched-ir.c (sched_sel_haifa_sched_info): Update.
16571 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
16573         * varasm.c (build_constant_desc): Don't share RTL in pool entries.
16575 2009-07-09  Basile Starynkevitch  <basile@starynkevitch.net>
16577         * plugin.c (try_init_one_plugin): passes RTLD_GLOBAL to dlopen.
16579 2009-07-09  Jakub Jelinek  <jakub@redhat.com>
16581         PR middle-end/40692
16582         * fold-const.c (fold_cond_expr_with_comparison): Don't replace
16583         arg1 with arg01 if arg1 is already INTEGER_CST.
16585 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
16587         * simplify-rtx.c (simplify_binary_operation_1) <AND>:
16588         Transform (and (truncate)) into (truncate (and)).
16590 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
16592         * combine.c (make_extraction): Check TRULY_NOOP_TRUNCATION before
16593         creating LHS paradoxical subregs.  Fix surrounding returns to
16594         use NULL_RTX rather than 0.
16596 2009-07-08  DJ Delorie  <dj@redhat.com>
16598         * config/mep/mep.c (mep_option_can_inline_p): New.
16599         (TARGET_OPTION_CAN_INLINE_P): Define.
16601 2009-07-08  Mark Wielaard  <mjw@redhat.com>
16603         PR debug/40659
16604         * dwarf2out.c (add_data_member_location_attribute): When we have
16605         only a constant offset don't emit a new location description using
16606         DW_OP_plus_uconst, but just add the constant with add_AT_int, when
16607         dwarf_version > 2.
16609 2009-07-08  Richard Henderson  <rth@redhat.com>
16611         PR target/38900
16612         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move to i386.c.
16613         (enum reg_class): Add CLOBBERED_REGS.
16614         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
16615         * config/i386/i386.c (ix86_conditional_register_usage): Moved
16616         from CONDITIONAL_REGISTER_USAGE; build CLOBBERED_REGS for 64-bit.
16617         (ix86_function_ok_for_sibcall): Tidy.  Disallow MS->SYSV sibcalls.
16618         (ix86_expand_call): Use sibcall_insn_operand when needed.  Don't
16619         force 64-bit sibcalls into R11.
16620         * config/i386/constraints.md (U): New constraint.
16621         * config/i386/i386.md (sibcall_1, sibcall_value_1): Use it.
16622         (sibcall_1_rex64, sibcall_value_1_rex64): Likewise.
16623         (sibcall_1_rex64_v, sibcall_value_1_rex64_v): Remove.
16625 2009-07-08  Shujing Zhao  <pearly.zhao@oracle.com>
16627         * basic-block.h (dump_regset, debug_regset): Remove duplicate
16628         prototypes.
16629         * c-objc-common.h (c_initialize_diagnostics): Ditto.
16630         * ebitmap.h (dump_ebitmap): Ditto.
16631         * optabs.h (optab_libfunc): Ditto.
16632         * tree.h (tree_expr_nonzero_warnv_p): Ditto.
16633         * tree-flow.h (vect_can_force_dr_alignment_p,
16634         get_vectype_for_scalar_type): Ditto.
16635         (vectorize_loops): Move prototype to ...
16636         * tree-vectorizer.h: ... here. Also, adjust comment.
16637         (vect_set_verbosity_level): Remove duplicate prototype.
16638         * tree-ssa-loop.c: Include tree-vectorizer.h.
16639         * Makefile.in (tree-ssa-loop.o): Depend on tree-vectorizer.h.
16641 2009-07-08  Nick Clifton  <nickc@redhat.com>
16643         * config/i386/unix.h (ASM_COMMENT_START): Add a space after the
16644         forward slash.
16646 2009-07-08  DJ Delorie  <dj@redhat.com>
16648         * config/mep/mep-ivc2.cpu (cpmovtocsar0_C3, cpmovtocsar1_C3,
16649         cpmovtocc_C3, cpmovtocsar0_P0S_P1, cpmovtocsar1_P0S_P1,
16650         cpmovtocc_P0S_P1): Mark volatile.  Note which registers are
16651         written to.
16652         * config/mep/intrinsics.md: Regenerated.
16653         * config/mep/mep.c (mep_interrupt_saved_reg): Save IVC2 control
16654         registers when asm() or calls are detected.
16656 2009-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16658         PR c++/31246
16659         * gimplify.c (gimplify_expr): Propagate no_warning flag when
16660         gimplifying.
16661         * gimple (gimple_build_call_from_tree): Likewise.
16662         * tree-cfg.c (remove_useless_stmts_warn_notreached): Check
16663         no_warning flag before warning.
16665 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16667         * tree.c (set_expr_locus): Remove.
16668         * tree.h (EXPR_LOCUS,SET_EXPR_LOCUS,set_expr_locus): Remove.
16669         * c-typeck.c (c_finish_stmt_expr):  Replace EXPR_LOCUS by
16670         EXPR_LOCATION.
16671         * gimplify.c (internal_get_tmp_var): Likewise.
16672         (gimplify_call_expr): Likewise.
16673         (gimplify_one_sizepos): Likewise.
16675 2009-07-07  Eric Botcazou  <ebotcazou@adacore.com>
16677         PR debug/40666
16678         * dbxout.c (dbxout_symbol) <PARM_DECL>: Deal with parameters pointing
16679         to variables for debugging purposes.
16681 2009-06-23  Mark Loeser  <mark@halcy0n.com>
16683         PR build/40010
16684         * Makefile.in (gcc.pod): Depend on gcc-vers.texi.
16686 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16688         * pretty-print.c (pp_base_format): Remove %J.
16689         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
16690         gcc_cxxdiag_char_table): Likewise.
16691         (init_dynamic_diag_info): Likewise.
16693 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16695         * pretty-print.c (pp_base_format): Remove %H.
16696         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
16697         gcc_cxxdiag_char_table): Likewise.
16698         (init_dynamic_diag_info): Likewise.
16699         * config/mep/mep.c (mep_select_section): Likewise.
16701 2009-07-07  Duncan Sands  <baldrick@free.fr>
16703         * final.c (pass_clean_state): Give the pass a name.
16704         * passes.c (pass_rest_of_compilation): Likewise.
16705         * tree-optimize.c (pass_all_optimizations): Likewise.
16707 2009-07-07  H.J. Lu  <hongjiu.lu@intel.com>
16709         * config/ia64/ia64.c (ia64_handle_model_attribute): Remove
16710         an extra 'decl' for error_at.
16712 2009-07-07  Jakub Jelinek  <jakub@redhat.com>
16714         PR middle-end/40669
16715         * tree-tailcall.c (adjust_return_value_with_ops,
16716         create_tailcall_accumulator): Set DECL_GIMPLE_REG_P on the temporary
16717         if it has complex or vector type.
16719 2009-07-07  Olivier Hainque  <hainque@adacore.com>
16721         * config/alpha/t-osf4 (SHLIB_LINK): Do not hide the dummy weak
16722         pthread symbols.
16724 2009-07-07  Basile Starynkevitch  <basile@starynkevitch.net>
16726         * Makefile.in: added more lists of includes to PLUGIN_HEADERS.
16728 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16730         * cgraphunit.c: Replace %J by an explicit location.  Update all calls.
16731         * c-decl.c: Likewise.
16732         * function.c: Likewise.
16733         * varasm.c: Likewise.
16734         * tree-ssa.c: Likewise.
16735         * c-common.c: Likewise.
16736         * tree-cfg.c: Likewise.
16737         * config/spu/spu.c: Likewise.
16738         * config/ia64/ia64.c: Likewise.
16739         * config/v850/v850.c: Likewise.
16741 2009-07-06  DJ Delorie  <dj@redhat.com>
16743         * config/mep/mep-core.cpu (fsft, ssarb): Mark as VOLATILE.
16744         * config/mep/mep-ivc2.cpu (many): Add VOLATILE to more insns that make
16745         unspecified accesses to control registers.
16746         * config/mep/intrinsics.md: Regenerate.
16747         * config/mep/intrinsics.h: Regenerate.
16748         * config/mep/mep-intrin.h: Regenerate.
16750 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16752         * c-lex.c: Replace %H by an explicit location. Update all calls.
16753         * c-common.c: Likewise.
16754         * c-decl.c: Likewise.
16755         * c-typeck.c: Likewise.
16756         * fold-const.c: Likewise.
16757         * gimplify.c: Likewise.
16758         * stmt.c: Likewise.
16759         * tree-cfg.c: Likewise.
16760         * tree-ssa-loop-niter.c: Likewise.
16761         * tree-vrp.c: Likewise.
16762         * value-prof.c: Likewise.
16764 2009-07-06  Diego Novillo  <dnovillo@google.com>
16766         * tree-dfa.c (dump_variable): Write DECL_INITIAL for VAR
16767         if it has one.  Handle cases where VAR does not have an
16768         annotation or cfun is NULL.
16770 2009-07-06  Diego Novillo  <dnovillo@google.com>
16772         * tree.c: Include debug.h.
16773         (initialize_tree_contains_struct): New.
16774         (init_ttree): Call it.
16775         (tree_node_structure_for_code): Factor out of ...
16776         (tree_node_structure): ... here.
16777         * treestruct.def (TS_PHI_NODE): Remove.
16778         (TS_GIMPLE_STATEMENT): Remove.
16780 2009-07-06  Diego Novillo  <dnovillo@google.com>
16782         * tree-pretty-print.c (dump_generic_node): Protect against NULL op0.
16783         (debug_tree_chain): Handle cycles.
16785 2009-07-06  Nick Clifton  <nickc@redhat.com>
16786             DJ Delorie  <dj@redhat.com>
16788         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
16789         __FMOVD_ENABLED__ is defined.
16790         * config/sh/sh.h
16791         (TARGET_FMOVD): Provide a default definition.
16792         (MASK_FMOVD): Likewise.
16793         (TARGET_CPU_CPP_BUILTINS): Define
16794         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
16795         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
16796         two fmov instructions depending upon whether TARGET_FMOVD is enabled.
16797         (split for DF load from memory into register): Also handle
16798         MEMs which consist of REG+DISP addressing.
16799         (split for DF store from register to memory): Likewise.
16800         (movsf_ie): Always use single fp_mode.
16801         * config/sh/sh.c (sh_override_options): Do not automatically
16802         enable TARGET_MOVD for the SH2A when supporting doubles - leave
16803         that to the -mfmovd command line switch.
16804         (broken_move): Do not restrict fldi test to only the SH4 and SH4A.
16805         (fldi_ok): Always allow.
16806         * config/sh/sh.opt (mfmovd): Remove this switch.
16807         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
16809 2009-07-06  J"orn Rennecke  <joern.rennecke@arc.com>
16810             Kaz Kojima  <kkojima@gcc.gnu.org>
16812         PR rtl-optimization/30807
16813         * postreload.c (reload_combine): For every new use of REG_SUM,
16814         record the use of BASE.
16816 2009-07-06  Jan Hubicka  <jh@suse.cz>
16818         * params.def: Revert my accidental commit at 2009-06-30.
16820 2009-07-04  Ian Lance Taylor  <iant@google.com>
16822         PR target/40636
16823         * config/i386/msformat-c.c (mingw_format_attributes): Declare as
16824         EXPORTED_CONST.
16825         (mingw_format_attribute_overrides): Likewise.
16827 2009-07-04  Jakub Jelinek  <jakub@redhat.com>
16829         PR debug/40596
16830         * dwarf2out.c (based_loc_descr): For crtl->stack_realign_tried
16831         don't check cfa.reg.  Instead of cfa.indirect use
16832         fde && fde->drap_reg != INVALID_REGNUM test.
16834 2009-07-04  Eric Botcazou  <ebotcazou@adacore.com>
16836         * postreload.c (reload_combine): Replace CONST_REG with INDEX_REG.
16838 2009-07-03  Vladimir Makarov  <vmakarov@redhat.com>
16840         PR target/40587
16841         * ira.c (build_insn_chain): Use DF_LR_OUT instead of df_get_live_out.
16843 2009-07-03  Richard Guenther  <rguenther@suse.de>
16845         PR tree-optimization/40640
16846         * tree-switch-conversion.c (build_arrays): Perform arithmetic
16847         in original type.
16849 2009-07-03  Jan Hubicka  <jh@suse.cz>
16851         * ipa-inline.c (cgraph_decide_inlining_incrementally): When optimizing
16852         for size, reduce amount of inlining.
16854 2009-07-03  Richard Guenther  <rguenther@suse.de>
16856         PR middle-end/34163
16857         * tree-chrec.c (chrec_convert_1): Fold (T2)(t +- x) to (T2)t +- (T2)x
16858         if t +- x is known to not overflow and the conversion widens the
16859         operation.
16860         * Makefile.in (tree-chrec.o): Add $(FLAGS_H) dependency.
16862 2009-07-03  Jan Hubicka  <jh@suse.cz>
16864         * ipa-pure-const.c (analyze): Update loop optimizer init.
16865         * tree-ssa-loop-iv-canon.c (empty_loop_p, remove_empty_loop,
16866         try_remove_empty_loop, remove_empty_loops): Remove.
16867         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): Remove.
16868         * tree-ssa-dce.c (find_obviously_necessary_stmts): Use finiteness info
16869         to mark regular loops as neccesary.
16870         (degenerate_phi_p): New function.
16871         (propagate_necessity, remove_dead_phis): Use it.
16872         (forward_edge_to_pdom): Likewise.
16873         (eliminate_unnecessary_stmts): Take care to remove uses of results of
16874         virtual PHI nodes that became unreachable.
16875         (perform_tree_ssa_dce): Initialize/deinitialize loop optimizer.
16876         * tree-flow.h (remove_empty_loops): Remove.
16877         * passes.c (init_optimization_passes): Remove.
16879 2009-07-03  Uros Bizjak  <ubizjak@gmail.com>
16881         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1): Use
16882         can_create_pseudo_p.
16883         (*fix_trunc<mode>_i387_1): Ditto.
16884         (*floathi<mode>2_1): Ditto.
16885         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): Ditto.
16886         (*fistdi2_1): Ditto.
16887         (*fist<mode>2_1): Ditto.
16888         (frndintxf2_floor): Ditto.
16889         (*fist<mode>2_floor_1): Ditto.
16890         (frndintxf2_ceil): Ditto.
16891         (*fist<mode>2_ceil_1): Ditto.
16892         (frndintxf2_trunc): Ditto.
16893         (frndintxf2_mask_pm): Ditto.
16894         (fxam<mode>2_i387_with_temp): Ditto.
16895         * config/i386/sse.md (mulv16qi3): Ditto.
16896         (*sse2_mulv4si3): Ditto.
16897         (mulv2di3): Ditto.
16898         (sse4_2_pcmpestr): Ditto.
16899         (sse4_2_pcmpistr): Ditto.
16901 2009-07-03  Jan Hubicka  <jh@suse.cz>
16903         * tree-ssa-dce.c (bb_contains_live_stmts): New bitmap.
16904         (mark_stmt_necessary): Set it.
16905         (mark_operand_necessary): Set it.
16906         (mark_control_dependent_edges_necessary): Set it.
16907         (mark_virtual_phi_result_for_renaming): New function.
16908         (get_live_post_dom): New function.
16909         (forward_edge_to_pdom): New function.
16910         (remove_dead_stmt): Fix handling of control dependences.
16911         (tree_dce_init): Init new bitmap.
16912         (tree_dce_done): Free it.
16914 2009-07-02  Richard Guenther  <rguenther@suse.de>
16916         PR bootstrap/40617
16917         * tree-ssa-structalias.c (new_var_info): Initialize
16918         is_restrict_var.
16920 2009-07-02  Jan Hubicka  <jh@suse.cz>
16922         * ipa-pure-const.c (check_op): Use PTA info to see if indirect_ref is
16923         local.
16925 2009-07-02  Paolo Bonzini  <bonzini@gnu.org>
16927         * expmed.c (emit_cstore, emit_store_flag_1): Accept target_mode
16928         instead of recomputing it.  Adjust calls.
16929         (emit_store_flag): Adjust recursive calls.
16931 2009-07-02  Richard Guenther  <rguenther@suse.de>
16933         * tree-ssa-live.c (remove_unused_locals): Do not remove
16934         heap variables.
16935         * tree-ssa-structalias.c (handle_lhs_call): Delay setting
16936         of DECL_EXTERNAL for HEAP variables.
16937         (compute_points_to_sets): Set DECL_EXTERNAL for escaped
16938         HEAP variables.  Do not adjust RESTRICT vars.
16939         (find_what_var_points_to): Nobody cares if something
16940         points to READONLY.
16942 2009-07-02  Ben Elliston  <bje@au.ibm.com>
16944         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Move
16945         pc_low and pc_high declarations to the top of the function.
16947 2009-07-01  DJ Delorie  <dj@redhat.com>
16949         * config/mep/mep.c (mep_handle_option): Leave IVC2 control
16950         registers as fixed.
16951         (mep_interrupt_saved_reg): Save appropriate IVC2 control registers.
16952         * config/mep/mep-ivc2.cpu: Add VOLATILE to insns that make
16953         unspecified accesses to control registers.
16954         * config/mep/intrinsics.md: Regenerate.
16955         * config/mep/intrinsics.h: Regenerate.
16956         * config/mep/mep-intrin.h: Regenerate.
16958 2009-07-01  Anthony Green  <green@moxielogic.com>
16960         * config/moxie/moxie.c (moxie_expand_prologue): Use dec
16961         instruction when possible.
16962         (moxie_expand_prologue): Ditto.  Also, save an instruction and
16963         some complexity by popping off of $r12 instead of $sp.
16964         * config/moxie/moxie.md (movsi_pop): Don't assume $sp.  Take two
16965         operands.
16967 2009-07-01  Richard Henderson  <rth@redhat.com>
16969         PR bootstrap/40347
16970         * function.c (reposition_prologue_and_epilogue_notes): If epilogue
16971         contained no insns, reposition note before last insn.
16973 2009-07-01  Richard Henderson  <rth@redhat.com>
16975         PR debug/40431
16976         * dwarf2out.c (def_cfa_1): Revert 2009-06-11 change for
16977         DW_CFA_def_cfa_offset and DW_CFA_def_cfa.
16979 2009-07-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
16981         PR bootstrap/40558
16982         * config/rs6000/rs6000.c (print_operand): Undo change that breaks
16983         darwin9 for printing reg addresses with %y.
16985 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
16987         * combine.c (force_to_mode): Handle TRUNCATE.  Factor out
16988         truncation from operands in binary operations.
16990 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
16992         Revert:
16993         2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
16994         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
16995         subreg of op0 to the original op0.
16997         * expmed.c (store_bit_field_1): Use a temporary as the destination
16998         instead of a paradoxical subreg when we need to truncate the result.
17000 2009-07-01  DJ Delorie  <dj@redhat.com>
17002         * config/mep/mep-ivc2.cpu (cmov, cmovc, cmovh): Add intrinsic
17003         names to VLIW variants.
17004         (ivc2rm, ivc2crn): Make data type consistent with non-VLIW variants.
17005         * config/mep/intrinsics.md: Regenerate.
17006         * config/mep/intrinsics.h: Regenerate.
17007         * config/mep/mep-intrin.h: Regenerate.
17009 2009-07-01  Jakub Jelinek  <jakub@redhat.com>
17011         PR debug/40462
17012         * jump.c (returnjump_p): Revert last patch.
17013         * dwarf2out.c (dwarf2out_begin_epilogue): Handle SEQUENCEs.
17015 2009-07-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17017         PR target/40575
17018         * pa.md (casesi32p): Use jump table label to determine the offset
17019         of the jump table.
17020         (casesi64p): Likewise.
17022         * pa.c (forward_branch_p): Return bool type.  Use instruction
17023         addresses when available.  Assert that INSN has a jump label.
17024         (pa_adjust_insn_length): Don't call forward_branch_p if INSN doesn't
17025         have a jump label.
17027 2009-07-01  Richard Guenther  <rguenther@suse.de>
17029         PR tree-optimization/19831
17030         * tree-ssa-dce.c (propagate_necessity): Calls to functions
17031         that only act as barriers do not make any previous stores necessary.
17032         * tree-ssa-structalias.c (handle_lhs_call): Delay making
17033         HEAP variables global, do not add a constraint from nonlocal.
17034         (find_func_aliases): Handle escapes through return statements.
17035         (compute_points_to_sets): Make escaped HEAP variables global.
17037 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
17039         PR bootstrap/40597
17040         * expmed.c (emit_store_flag): Perform a conversion if necessary,
17041         after reducing a DImode cstore to SImode.
17043 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
17045         * expr.c (expand_expr_real_1): Reinstate fallthrough to
17046         TRUTH_ANDIF_EXPR if do_store_flag returns NULL.
17048 2009-07-01  Maciej W. Rozycki  <macro@linux-mips.org>
17050         * config/vax/vax.h (TARGET_BSD_DIVMOD): New macro.  Set to 1.
17051         * config/vax/linux.h (TARGET_BSD_DIVMOD): New macro.  Redefine the
17052         to 0.
17053         * config/vax/vax.c (vax_init_libfuncs): Only redefine udiv_optab
17054         and umod_optab if TARGET_BSD_DIVMOD.
17055         * config/vax/lib1funcs.asm: New file.
17056         * config/vax/t-linux: New file.
17057         * config.gcc (vax-*-linux*): Set tmake_file to vax/t-linux.
17059 2009-06-30  Jakub Jelinek  <jakub@redhat.com>
17061         PR c++/40566
17062         * convert.c (convert_to_integer) <case COND_EXPR>: Don't convert
17063         to type arguments that have void type.
17065         PR debug/40573
17066         * dwarf2out.c (gen_formal_parameter_die): Call
17067         equate_decl_number_to_die if node is different from origin.
17069 2009-06-30  Anthony Green  <green@moxielogic.com>
17071         Clean up moxie port for --enable-build-with-cxx.
17072         * config/moxie/moxie.c (moxie_function_value): First two
17073         parameters are const_tree, not tree.
17074         * config/moxie/moxie.h (enum reg_class): Rename CC_REG to CC_REGS.
17075         (REG_CLASS_NAMES): Ditto.
17076         (REGNO_REG_CLASS): Ditto.
17077         * config/moxie/moxie-protos.h (moxie_override_options): Declare.
17078         (moxie_function_value): Fix constyness of arguments.
17080 2009-06-30  Eric Botcazou  <ebotcazou@adacore.com>
17082         * cgraphunit.c (cgraph_finalize_compilation_unit): Call
17083         finalize_size_functions before further processing.
17084         * stor-layout.c: Include cgraph.h, tree-inline.h and tree-dump.h.
17085         (variable_size): Call self_referential_size on size expressions
17086         that contain a PLACEHOLDER_EXPR.
17087         (size_functions): New static variable.
17088         (copy_self_referential_tree_r): New static function.
17089         (self_referential_size): Likewise.
17090         (finalize_size_functions): New global function.
17091         * tree.c: Include tree-inline.h.
17092         (push_without_duplicates): New static function.
17093         (find_placeholder_in_expr): New global function.
17094         (substitute_in_expr) <tcc_declaration>: Return the replacement object
17095         on equality.
17096         <tcc_expression>: Likewise.
17097         <tcc_vl_exp>: If the replacement object is a constant, try to inline
17098         the call in the expression.
17099         * tree.h (finalize_size_functions): Declare.
17100         (find_placeholder_in_expr): Likewise.
17101         (FIND_PLACEHOLDER_IN_EXPR): New macro.
17102         (substitute_placeholder_in_expr): Update comment.
17103         * tree-inline.c (remap_decl): Do not unshare trees if do_not_unshare
17104         is true.
17105         (copy_tree_body_r): Likewise.
17106         (copy_tree_body): New static function.
17107         (maybe_inline_call_in_expr): New global function.
17108         * tree-inline.h (struct copy_body_data): Add do_not_unshare field.
17109         (maybe_inline_call_in_expr): Declare.
17110         * Makefile.in (tree.o): Depend on TREE_INLINE_H.
17111         (stor-layout.o): Depend on CGRAPH_H, TREE_INLINE_H, TREE_DUMP_H and
17112         GIMPLE_H.
17114 2009-06-30  Richard Guenther  <rguenther@suse.de>
17116         * tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Always
17117         continue walking.
17118         (propagate_necessity): Do not mark reaching defs of stores
17119         as necessary.
17121 2009-06-30  Jan Hubicka  <jh@suse.cz>
17123         * cfgloopanal.c (check_irred): Move into ...
17124         (mark_irreducible_loops): ... here; return true if ireducible
17125         loops was found.
17126         * ipa-pure-const.c: Include cfgloop.h and tree-scalar-evolution.h
17127         (analyze_function): Try to prove loop finiteness.
17128         * cfgloop.h (mark_irreducible_loops): Update prototype.
17129         * Makefile.in (ipa-pure-const.o): Add dependency on SCEV and CFGLOOP.
17131 2009-06-30  Basile Starynkevitch  <basile@starynkevitch.net>
17133         * Makefile.in (PLUGIN_HEADERS): added ggc, tree-dump, pretty-print.
17135 2009-06-30  Ira Rosen  <irar@il.ibm.com>
17137         PR tree-optimization/40542
17138         * tree-vect-stmts.c (vect_analyze_stmt): Don't vectorize volatile
17139         types.
17141 2009-06-30  Martin Jambor  <mjambor@suse.cz>
17143         PR tree-optimization/40582
17144         * tree-sra.c (build_ref_for_offset_1): Use types_compatible_p rather
17145         than useless_type_conversion_p.
17146         (generate_subtree_copies): Increment sra_stats.subtree_copies at a
17147         proper place.
17149 2009-06-30  Martin Jambor  <mjambor@suse.cz>
17151         PR middle-end/40554
17152         * tree-sra.c (sra_modify_expr): Add access->offset to start_offset.
17154 2009-06-30  Richard Guenther  <rguenther@suse.de>
17156         * tree-ssa-alias.c (walk_aliased_vdefs_1): Change interface to
17157         use ao_ref references.
17158         (walk_aliased_vdefs): Likewise.
17159         * tree-ssa-alias.h (walk_aliased_vdefs): Adjust prototype.
17160         * tree-ssa-dce.c (struct ref_data): Remove.
17161         (mark_aliased_reaching_defs_necessary_1): Use the ao_ref argument.
17162         (mark_aliased_reaching_defs_necessary): Adjust.
17163         (mark_all_reaching_defs_necessary_1): Likewise.
17165 2009-06-30  Paolo Bonzini  <bonzini@gnu.org>
17167         PR boostrap/40597
17168         * expmed.c (emit_cstore): New name of emit_store_flag_1.
17169         (emit_store_flag_1): Extract from emit_store_flag, adjust
17170         calls to (what now is) emit_cstore.
17171         (emit_store_flag): Call emit_store_flag_1 and also use it
17172         for what used to be recursive calls.
17174 2009-06-30  Wei Guozhi  <carrot@google.com>
17176         PR/40416
17177         * tree-ssa-sink.c (statement_sink_location): Stop sinking expression
17178         if the target bb post dominates from bb.
17179         * config/i386/i386.c (memory_address_length): Check existence of base
17180         register before using it.
17182 2009-06-30  Nick Clifton  <nickc@redhat.com>
17183             DJ Delorie  <dj@redhat.com>
17185         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
17186         __FMOVD_ENABLED__ is defined.
17187         * config/sh/sh.h
17188         (TARGET_FMOVD): Provide a default definition.
17189         (MASK_FMOVD): Likewise.
17190         (TARGET_CPU_CPP_BUILTINS): Define
17191         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
17192         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
17193         two fmov instructions depending upon whether TARGET_FMOVD is
17194         enabled.
17195         (split for DF load from memory into register): Also handle
17196         MEMs which consist of REG+DISP addressing.
17197         (split for DF store from register to memory): Likewise.
17198         * config/sh/sh.opt (mfmovd): Remove this switch.
17199         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
17200         * config/sh/sh.c (sh_override_options): Do not automatically
17201         enable TARGET_MOVD for the SH2A when supporting doubles - leave
17202         that to the -mfmovd command line switch.
17204         * config/sh/sh.c (broken_move): Do not restrict fldi test to only
17205         the SH4 and SH4A.
17206         (fldi_ok): Always allow.
17207         * config/sh/sh.md (movsf_ie): Always use single fp_mode.
17209 2009-06-29  DJ Delorie  <dj@redhat.com>
17211         * doc/install.texi (mep-x-elf): Correct chip's full name.
17213 2009-06-29  H.J. Lu  <hongjiu.lu@intel.com>
17215         * doc/extend.texi: Fix typo.
17217 2009-06-29  Tom Tromey  <tromey@redhat.com>
17219         * dwarf2.h: Remove.
17220         * Makefile.in (DWARF2_H): New variable.
17221         (except.o): Use it.
17222         (dwarf2out.o): Likewise.
17223         (dwarf2asm.o): Likewise.
17224         * config/i386/t-i386: Use DWARF2_H.
17225         * except.c: Include elf/dwarf2.h.
17226         * unwind-dw2.c: Include elf/dwarf2.h.
17227         * dwarf2out.c: Include elf/dwarf2.h.
17228         (dw_loc_descr_struct) <dw_loc_opc>: Now a bitfield.
17229         <dtprel>: New field.
17230         (dwarf_stack_op_name): Don't handle INTERNAL_DW_OP_tls_addr.
17231         (size_of_loc_descr): Likewise.
17232         (output_loc_operands_raw): Likewise.
17233         (output_loc_operands): Handle new dtprel field.
17234         (loc_checksum): Update.
17235         (loc_descriptor_from_tree_1) <VAR_DDECL>: Set dtprel field.
17236         * unwind-dw2-fde-glibc.c: Include elf/dwarf2.h.
17237         * unwind-dw2-fde.c: Include elf/dwarf2.h.
17238         * dwarf2asm.c: Include elf/dwarf2.h.
17239         * unwind-dw2-fde-darwin.c: Include elf/dwarf2.h.
17240         * config/mmix/mmix.c: Include elf/dwarf2.h.
17241         * config/rs6000/darwin-fallback.c: Include elf/dwarf2.h.
17242         * config/xtensa/unwind-dw2-xtensa.c: Include elf/dwarf2.h.
17243         * config/sh/sh.c: Include elf/dwarf2.h.
17244         * config/i386/i386.c: Include elf/dwarf2.h.
17246 2009-06-29  DJ Delorie  <dj@redhat.com>
17248         * config/mep/mep.h (CPP_SPEC): Remove __cop macro.
17250         * doc/extend.texi: Add MeP attributes and pragmas.
17251         * doc/invoke.text: Add MeP Options.
17252         * doc/contrib.texi: Add MeP contribution.
17253         * doc/md.texi: Add MeP constraints.
17254         * doc/install.texi: Add MeP target.
17256 2009-06-30  Anatoly Sokolov  <aesok@post.ru>
17258         * target.h (struct gcc_target): Add frame_pointer_required field.
17259         * target-def.h (TARGET_FRAME_POINTER_REQUIRED): New.
17260         (TARGET_INITIALIZER): Use TARGET_FRAME_POINTER_REQUIRED.
17261         * ira.c (setup_eliminable_regset): Use frame_pointer_required target
17262         hook.
17263         * reload1.c (update_eliminables): (Ditto.).
17264         * gcc/system.h (FRAME_POINTER_REQUIRED): Poison.
17265         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
17266         (INITIAL_FRAME_POINTER_OFFSET): (Ditto.).
17268         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Remove macro.
17270         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Remove macro.
17271         * config/arm/arm.c (TARGET_FRAME_POINTER_REQUIRED): Define.
17272         (arm_frame_pointer_required): New function.
17274         * config/avr/avr.h (FRAME_POINTER_REQUIRED): Remove macro.
17275         * config/avr/avr.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
17276         (avr_frame_pointer_required_p): Declare as static.
17277         * config/avr/avr-protos.h (avr_frame_pointer_required_p): Remove.
17279         * config/bfin/bfin.h (FRAME_POINTER_REQUIRED): Remove macro.
17280         * config/bfin/bfin.c (TARGET_FRAME_POINTER_REQUIRED): Define.
17281         (bfin_frame_pointer_required): Make as static, change return type
17282         to bool.
17283         * config/bfin/bfin-protos.h (bfin_frame_pointer_required): Remove.
17285         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Remove macro.
17286         * config/cris/cris.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
17287         (cris_frame_pointer_required): New function.
17289         * config/crx/crx.h (FRAME_POINTER_REQUIRED): Remove macro.
17291         * config/fr30/fr30.h (FRAME_POINTER_REQUIRED): Remove macro.
17292         * config/fr30/fr30.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
17293         (fr30_frame_pointer_required): New function.
17295         * config/frv/frv.h (FRAME_POINTER_REQUIRED): Remove macro.
17296         * config/frv/frv.c (TARGET_FRAME_POINTER_REQUIRED): Define.
17297         (frv_frame_pointer_required): Make as static, change return type
17298         to bool.
17299         * config/bfin/bfin-protos.h (frv_frame_pointer_required): Remove.
17301         * config/i386/i386.h (FRAME_POINTER_REQUIRED): Remove macro.
17302         * config/i386/i386.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
17303         (ix86_frame_pointer_required): Make as static, change return type to
17304         bool.
17305         * config/i386/i386-protos.h (ix86_frame_pointer_required): Remove.
17307         * config/m32c/m32c.h (FRAME_POINTER_REQUIRED): Remove macro.
17308         * config/m32c/m32c.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
17310         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Remove macro.
17312         * config/mcore/mcore.h (CAN_ELIMINATE): Remove macro.
17314         * config/mep/mep.h (FRAME_POINTER_REQUIRED): Remove macro.
17316         * config/mips/mips.h (FRAME_POINTER_REQUIRED): Remove macro.
17317         * config/mips/mips.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
17318         (mips_frame_pointer_required): Make as static.
17319         * config/mips/mips-protos.h (mips_frame_pointer_required): Remove.
17321         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Remove macro.
17322         * config/mmix/mmix.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
17323         (mmix_frame_pointer_required): Mew function.
17325         * config/moxie/moxie.h (FRAME_POINTER_REQUIRED): Remove macro.
17326         * config/moxie/moxie.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
17328         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Remove macro.
17330         * config/score/score.h (FRAME_POINTER_REQUIRED): Remove macro.
17332         * config/sh/sh.h (CAN_ELIMINATE): Remove macro.
17334         * config/sparc/sparc.h (FRAME_POINTER_REQUIRED): Remove macro.
17335         (CAN_ELIMINATE): Redefine.
17336         * config/sparc/sparc.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
17337         (sparc_frame_pointer_required): New function.
17338         (sparc_can_eliminate): New function.
17339         * config/sparc/sparc-protos.h (sparc_can_eliminate): Declare.
17341         * config/vax/vax.h (FRAME_POINTER_REQUIRED): Remove macro.
17342         * config/vax/vax.c (TARGET_FRAME_POINTER_REQUIRED): Define.
17344         * config/xtensa/xtensa.h (FRAME_POINTER_REQUIRED): Remove macro.
17345         * config/xtensa/xtensa.c (TARGET_FRAME_POINTER_REQUIRED): Define.
17346         (xtensa_frame_pointer_required): Make as static, change return type
17347         to bool.
17348         * config/xtensa/xtensa-protos.h (xtensa_frame_pointer_required):
17349         Remove.
17351 2009-06-29  Olatunji Ruwase  <tjruwase@google.com>
17353         * doc/plugins.texi: Document PLUGIN_START_UNIT.
17354         * toplev.c (compile_file): Call PLUGIN_START_UNIT.
17355         * gcc-plugin.h (PLUGIN_START_UNIT): Added new event.
17356         * plugin.c (plugin_event_name): Added PLUGIN_START_UNIT.
17357         (register_callback): Handle PLUGIN_START_UNIT.
17358         (invoke_plugin_callbacks): Handle PLUGIN_START_UNIT.
17360 2009-06-29  Eric Botcazou  <ebotcazou@adacore.com>
17362         * tree.c (process_call_operands): Propagate TREE_READONLY from the
17363         operands.
17364         (PROCESS_ARG): Do not clear TREE_READONLY if CONSTANT_CLASS_P.
17365         (build3_stat): Propagate TREE_READONLY for COND_EXPR.
17367 2009-06-29  Daniel Jacobowitz  <dan@codesourcery.com>
17369         * config/arm/arm.h (REGISTER_MOVE_COST): Increase VFP register
17370         move cost.
17372 2009-06-29  Uros Bizjak  <ubizjak@gmail.com>
17374         * doc/extend.texi (Additional Floating Types): __float128 is also
17375         supported on i386 targets.
17377 2009-06-29  Richard Guenther  <rguenther@suse.de>
17379         PR middle-end/14187
17380         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
17381         flag.
17382         (pt_solutions_same_restrict_base): Declare.
17383         * tree-ssa-structalias.c (struct variable_info): Add is_restrict_var
17384         flag.
17385         (new_var_info): Initialize is_global_var properly for SSA_NAMEs.
17386         (make_constraint_from, make_copy_constraint): Move earlier.
17387         (make_constraint_from_heapvar): New function.
17388         (make_constraint_from_restrict): Likewise.
17389         (handle_lhs_call): Use it.
17390         (find_func_aliases): Use it to track conversions to restrict
17391         qualified pointers.
17392         (struct fieldoff): Add only_restrict_pointers flag.
17393         (push_fields_onto_fieldstack): Initialize it.
17394         (create_variable_info_for): Track global restrict qualified pointers.
17395         (intra_create_variable_infos): Use make_constraint_from_heapvar.
17396         Track restrict qualified pointer arguments.
17397         (set_uids_in_ptset): Use varinfo is_global_var flag.
17398         (find_what_var_points_to): Set the vars_contains_restrict flag.
17399         Always create the points-to solution for sets including restrict tags.
17400         (pt_solutions_same_restrict_base): New function.
17401         * tree-ssa-alias.c (ptr_derefs_may_alias_p): For two restrict
17402         qualified pointers use pt_solutions_same_restrict_base as
17403         additional source for disambiguation.
17405 2009-06-29  Richard Guenther  <rguenther@suse.de>
17407         PR middle-end/38212
17408         * alias.c (find_base_decl): Remove.
17409         (get_deref_alias_set_1): Remove restrict handling.
17410         * c-common.c (c_apply_type_quals_to_decl): Do not set
17411         DECL_POINTER_ALIAS_SET.
17412         * gimplify.c (find_single_pointer_decl_1): Remove.
17413         (find_single_pointer_decl): Likewise.
17414         (internal_get_tmp_var): Remove restrict handling.
17415         (gimple_regimplify_operands): Likewise.
17416         * omp-low.c (expand_omp_atomic_pipeline): Do not set
17417         DECL_POINTER_ALIAS_SET. Use ref-all pointers.
17418         * print-tree.c (print_node): Do not print DECL_POINTER_ALIAS_SET.
17419         * tree.c (restrict_base_for_decl): Remove.
17420         (init_ttree): Do not allocate it.
17421         (make_node_stat): Do not set DECL_POINTER_ALIAS_SET.  Set
17422         LABEL_DECL_UID for label decls.
17423         (copy_node_stat): Do not copy restrict information.
17424         (decl_restrict_base_lookup): Remove.
17425         (decl_restrict_base_insert): Likewise.
17426         (print_restrict_base_statistics): Likewise.
17427         (dump_tree_statistics): Do not call print_restrict_base_statistics.
17428         * tree.h (DECL_POINTER_ALIAS_SET): Remove.
17429         (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
17430         (struct tree_decl_common): Rename pointer_alias_set to label_decl_uid.
17431         (LABEL_DECL_UID): Adjust.
17432         (DECL_BASED_ON_RESTRICT_P): Remove.
17433         (DECL_GET_RESTRICT_BASE): Likewise.
17434         (SET_DECL_RESTRICT_BASE): Likewise.
17435         (struct tree_decl_with_vis): Remove based_on_restrict_p flag.
17437         * config/i386/i386.c (ix86_gimplify_va_arg): Use ref-all pointers
17438         instead of DECL_POINTER_ALIAS_SET.
17439         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
17440         * config/s390/s390.c (s390_gimplify_va_arg): Likewise.
17441         * config/spu/spu.c (spu_gimplify_va_arg_expr): Likewise.
17443 2009-06-29  Richard Guenther  <rguenther@suse.de>
17445         PR tree-optimization/40579
17446         * tree-vrp.c (vrp_evaluate_conditional): Bail out early if
17447         the IL to simplify has constants that overflowed.
17449 2009-06-28  Uros Bizjak  <ubizjak@gmail.com>
17451         PR tree-optimization/40550
17452         * tree-vect-generic.c (expand_vector_operations_1): Compute in
17453         vector_compute_type only when the size of vector_compute_type is
17454         less than the size of type.
17456 2009-06-28  Eric Botcazou  <ebotcazou@adacore.com>
17458         * fold-const.c (contains_label_1): Fix comments.
17459         (contains_label_p): Do not walk trees multiple time.
17461 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
17463         * config/i386/i386.h (enum ix86_fpcmp_strategy): New.
17464         * config/i386/i386.md (cbranchxf4, cstorexf4, cbranch<MODEF>4,
17465         cstore<MODEF>4, mov<X87MODEF>cc): Change predicate to
17466         ix86_fp_comparison_operator.
17467         (*fp_jcc_1_mixed, *fp_jcc_1_sse, *fp_jcc_1_387, *fp_jcc_2_mixed,
17468         *fp_jcc_2_sse, *fp_jcc_2_387): Delete
17469         (*fp_jcc_3_387, *fp_jcc_4_387, *fp_jcc_5_387, *fp_jcc_6_387,
17470         *fp_jcc_7_387, *fp_jcc_8<MODEF>_387): Eliminate call to
17471         !ix86_use_fcomi_compare, change ix86_fp_jump_nontrivial_p call
17472         to !TARGET_CMOVE, change predicate to ix86_fp_comparison_operator.
17473         (related splits): Change predicate to ix86_fp_comparison_operator.
17474         * config/i386/predicates.md: Use ix86_trivial_fp_comparison_operator
17475         instead of ix86_fp_comparison_codes.
17476         (ix86_trivial_fp_comparison_operator,
17477         ix86_fp_comparison_operator): New.
17478         * config/i386/i386-protos.h (ix86_fp_comparison_strategy): New.
17479         (ix86_expand_compare): Eliminate last two parameters.
17480         (ix86_fp_jump_nontrivial_p): Kill.
17481         * config/i386/i386.c (put_condition_code): Eliminate call to
17482         ix86_fp_comparison_codes and subsequent assertion.
17483         (ix86_fp_comparison_codes): Eliminate.
17484         (ix86_fp_swap_condition): New.
17485         (ix86_fp_comparison_arithmetics_cost, ix86_fp_comparison_fcomi_cost,
17486         ix86_fp_comparison_sahf_cost, ix86_use_fcomi_compare): Consolidate
17487         into ix86_fp_comparison_cost and ix86_fp_comparison_strategy.
17488         (ix86_prepare_fp_compare_args): Use ix86_fp_comparison_strategy
17489         and ix86_fp_swap_condition.
17490         (ix86_expand_fp_compare): Eliminate code for second jump/bypass jump.
17491         Use ix86_fp_comparison_strategy.
17492         (ix86_expand_compare): Likewise.  Eliminate last two arguments.
17493         (ix86_fp_jump_nontrivial_p): Eliminate.
17494         (ix86_expand_branch): Treat SFmode/DFmode/XFmode as simple.  Adjust
17495         call to ix86_expand_compare.
17496         (ix86_split_fp_branch, ix86_expand_setcc,
17497         ix86_expand_carry_flag_compare, ix86_expand_int_movcc,
17498         ix86_expand_fp_movcc): Eliminate code for second jump/bypass jump.
17500 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
17502         * config/arm/arm.c (arm_final_prescan_ins): Eliminate code
17503         related to jump_clobbers.
17504         * config/arm/arm.md (conds): Remove jump_clob case.
17505         (addsi3_cbranch, addsi3_cbranch_scratch, subsi3_cbranch, two
17506         splits): Change comparison_operator to arm_comparison_operator.
17507         (*arm_buneq, *arm_bltgt, *arm_buneq_reversed, *arm_bltgt_reversed):
17508         Eliminate.
17510 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
17512         * dojump.c (do_compare_rtx_and_jump): Try swapping the
17513         condition for floating point modes.
17514         * expmed.c (emit_store_flag_1): Move here a bigger part
17515         of emit_store_flag.
17516         (emit_store_flag): Try swapping the condition for floating point
17517         modes.
17518         * optabs.c (emit_cmp_and_jump_insns): Cope with constant op0 better.
17520 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
17522         * expr.c (expand_expr_real_1): Just use do_store_flag.
17523         (do_store_flag): Drop support for TRUTH_NOT_EXPR.  Use
17524         emit_store_flag_force.
17525         * expmed.c (emit_store_flag_force): Copy here trick
17526         previously in expand_expr_real_1.  Try reversing the comparison.
17527         (emit_store_flag_1): Work if target is NULL.
17528         (emit_store_flag): Work if target is NULL, using the result mode
17529         from the comparison.  Use split_comparison, restructure final part
17530         to simplify conditionals.
17532 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
17534         * builtins.c (expand_errno_check): Use do_compare_rtx_and_jump.
17535         * dojump.c (do_jump): Change handling of floating-point
17536         ops to use just do_compare_and_jump.
17537         (split_comparison): New.
17538         (do_compare_rtx_and_jump): Add here logic coming previously
17539         in do_jump, using split_comparison.
17541 2009-06-27  H.J. Lu  <hongjiu.lu@intel.com>
17543         PR target/40489
17544         * config/ia64/ia64.c (ia64_reorg): Check NULL insn.
17546 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
17548         * tree-ssa-alias.c: Fix unintentional commit.
17550 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
17552         * passes.c (execute_one_pass): Fix unintentional commit.
17554 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
17556         * df-problems.c (df_set_seen, df_unset_seen): Delete.
17557         (df_rd_local_compute, df_md_local_compute): Inline them.
17559         (df_md_scratch): New.
17560         (df_md_alloc, df_md_free): Allocate/free it.
17561         (df_md_local_compute): Only include live registers in init.
17562         (df_md_transfer_function): Prune the in-set computed by
17563         the confluence function, and the gen-set too.
17565 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
17567         PR rtl-optimization/26854
17568         * timevar.def: Remove TV_DF_RU, add TV_DF_MD.
17569         * df-problems.c (df_rd_add_problem): Fix comment.
17570         (df_md_set_bb_info, df_md_free_bb_info, df_md_alloc,
17571         df_md_simulate_artificial_defs_at_top,
17572         df_md_simulate_one_insn, df_md_bb_local_compute_process_def,
17573         df_md_bb_local_compute, df_md_local_compute, df_md_reset,
17574         df_md_transfer_function, df_md_init, df_md_confluence_0,
17575         df_md_confluence_n, df_md_free, df_md_top_dump, df_md_bottom_dump,
17576         problem_MD, df_md_add_problem): New.
17577         * df.h (DF_MD, DF_MD_BB_INFO, struct df_md_bb_info, df_md,
17578         df_md_get_bb_info): New.
17579         (DF_LAST_PROBLEM_PLUS1): Adjust.
17581         * Makefile.in (fwprop.o): Include domwalk.h.
17582         * fwprop.c: Include domwalk.h.
17583         (reg_defs, reg_defs_stack): New.
17584         (bitmap_only_bit_between): Remove.
17585         (process_defs): New.
17586         (process_uses): Use reg_defs and local_md instead of
17587         bitmap_only_bit_between and local_rd.
17588         (single_def_use_enter_block): New, from build_single_def_use_links.
17589         (single_def_use_leave_block): New.
17590         (build_single_def_use_links): Remove code moved to
17591         single_def_use_enter_block, invoke domwalk.
17592         (use_killed_between): Adjust comment.
17594 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
17596         * bitmap.h (bitmap_ior_and_into): New.
17597         * bitmap.c (bitmap_ior_and_into): New.
17599 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
17601         * domwalk.h (struct dom_walk_data): Remove all callbacks except
17602         before_dom_children_before_stmts and after_dom_children_after_stmts.
17603         Rename the two remaining callbacks to just before_dom_children and
17604         after_dom_children. Remove other GIMPLE statement walking bits.
17605         * domwalk.c (walk_dominator_tree): Remove now unsupported features.
17606         * graphite.c: Do not include domwalk.h.
17607         * tree-into-ssa.c (interesting_blocks): New global.
17608         (struct mark_def_sites_global_data): Remove it and names_to_rename.
17609         (mark_def_sites, rewrite_stmt, rewrite_add_phi_arguments,
17610         rewrite_update_stmt, rewrite_update_phi_arguments): Simplify
17611         now that they're not domwalk callbacks.
17612         (rewrite_initialize_block): Rename to...
17613         (rewrite_enter_block): ... this, place after called functions.  Test
17614         interesting_blocks, call rewrite_stmt and rewrite_add_phi_arguments.
17615         (rewrite_finalize_block): Rename to...
17616         (rewrite_leave_block): ... this, place after called functions.
17617         (rewrite_update_init_block): Rename to...
17618         (rewrite_update_enter_block): ... this, place after called functions.
17619         Test interesting_blocks, call rewrite_update_stmt and
17620         rewrite_update_phi_arguments.
17621         (rewrite_update_fini_block): Rename to...
17622         (rewrite_leave_block): ... this, place after called functions.
17623         (rewrite_blocks): Remove last argument, simplify initialization of
17624         walk_data.
17625         (mark_def_sites_initialize_block): Rename to...
17626         (mark_def_sites_block): ... this, call mark_def_sites.
17627         (mark_def_sites_blocks): Remove argument, simplify initialization of
17628         walk_data.
17629         (rewrite_into_ssa): Adjust for interesting_blocks_being a global.
17630         (update_ssa): Likewise.
17631         * tree-ssa-dom.c (optimize_stmt): Simplify now that it's not a domwalk
17632         callback.
17633         (tree_ssa_dominator_optimize): Simplify initialization of walk_data.
17634         (dom_opt_initialize_block): Rename to...
17635         (dom_opt_enter_block): ... this, place after called functions.  Walk
17636         statements here, inline propagate_to_outgoing_edges.
17637         (dom_opt_finalize_block): Rename to...
17638         (dom_opt_leave_block): ... this, place after called functions.
17639         * tree-ssa-dse.c (dse_optimize_stmt): Simplify now that it's not a
17640         domwalk callback.
17641         (dse_enter_block, dse_record_phi): New.
17642         (dse_record_phis): Delete.
17643         (dse_finalize_block): Rename to...
17644         (dse_leave_block): ... this.
17645         (tree_ssa_dse): Simplify initialization of walk_data.
17646         * tree-ssa-loop-im.c (determine_invariantness, move_computations):
17647         Adjust initialization of walk_data.
17648         * tree-ssa-loop-unswitch.c: Do not include domwalk.h.
17649         * tree-ssa-loop-phiopt.c (get_non_trapping):
17650         Adjust initialization of walk_data.
17651         * tree-ssa-loop-threadedge.c: Do not include domwalk.h.
17652         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Simplify now that
17653         it's not a domwalk callback.
17654         (uncprop_initialize_block): Rename to...
17655         (dse_enter_block): ... this, call uncprop_into_successor_phis.
17656         (dse_finalize_block): Rename to...
17657         (dse_leave_block): ... this.
17658         (tree_ssa_uncprop): Simplify initialization of walk_data.
17659         * Makefile.in: Adjust dependencies.
17661 2009-06-27  Richard Earnshaw  <rearnsha@arm.com>
17663         * arm.md (casesi): Fix test for Thumb1.
17664         (thumb1_casesi_internal_pic): Likewise.
17665         (thumb1_casesi_dispatch): Likewise.
17667 2009-06-26  Daniel Gutson  <dgutson@codesourcery.com>
17669         * config/arm/arm-cores.def: Added core cortex-m0.
17670         * config/arm/arm-tune.md: Regenerated.
17671         * doc/invoke.texi: Added entry for cpu ARM Cortex-M0.
17673 2009-06-26  DJ Delorie  <dj@redhat.com>
17675         * config/mep/mep.opt (mfar): Remove -mfar as it doesn't do anything.
17677         * config/mep/mep.c (mep_bundle_insns): Account for the fact that
17678         the scheduler doesn't tag jump insns.
17680 2009-06-26  H.J. Lu  <hongjiu.lu@intel.com>
17682         * c-decl.c (merge_decls): Re-indent.
17684 2009-06-26  Janis Johnson  <janis187@us.ibm.com>
17686         PR c/39902
17687         * tree.c (real_zerop, real_onep, real_twop, real_minus_onep):
17688         Special-case decimal float constants.
17690 2009-06-26  Richard Henderson  <rth@redhat.com>
17692         * function.h (struct function): Add cannot_be_copied_reason,
17693         and cannot_be_copied_set.
17694         * tree-inline.c (has_label_address_in_static_1): Rename from
17695         inline_forbidden_p_2; don't set inline_forbidden_reason here.
17696         (cannot_copy_type_1): Rename from inline_forbidden_p_op; likewise
17697         don't set inline_forbidden_reason.
17698         (copy_forbidden): New function, split out of inline_forbidden_p.
17699         (inline_forbidden_p_stmt): Don't check for nonlocal labels here.
17700         (inline_forbidden_p): Use copy_forbidden.
17701         (tree_versionable_function_p): Likewise.
17702         (inlinable_function_p): Merge into tree_inlinable_function_p.
17703         (tree_function_versioning): Remap cfun->nonlocal_goto_save_area.
17704         * ipa-cp.c (ipcp_versionable_function_p): New function.
17705         (ipcp_cloning_candidate_p): Use it.
17706         (ipcp_node_modifiable_p): Likewise.
17708 2009-06-26  Olatunji Ruwase  <tjruwase@google.com>
17710         * builtins.c (expand_builtin_alloca): Handle builtin alloca
17711         that is marked not to be inlined. Remove flag_mudflap use.
17712         * tree-mudflap.c: Rename mf_xform_derefs to mf_xfrom_statements.
17713         (mf_xform_statements): Mark builtin alloca calls as un-inlineable.
17715 2009-06-26  Steve Ellcey  <sje@cup.hp.com>
17717         PR bootstrap/40338
17718         * config/pa/t-pa-hpux10 (TARGET_LIBGCC2_CFLAGS): Add -frandom-seed.
17719         * config/pa/t-pa-hpux11 (TARGET_LIBGCC2_CFLAGS): Ditto.
17721 2009-06-26  Kai Tietz  <kai.tietz@onevision.com>
17723         * config/i386/mingw-tls.c (__mingwthr_key_dtor): Remove for none
17724         shared libgcc.
17725         (__mingwthr_remove_key_dtor): Likewise.
17727 2009-06-26  Richard Guenther  <rguenther@suse.de>
17729         * tree-ssa-structalias.c (do_ds_constraint): Simplify escape handling.
17731 2009-06-26  Steven Bosscher  <steven@gcc.gnu.org>
17733         PR middle-end/40525
17734         * ifcvt.c (dead_or_predicable): If predicating MERGE_BB fails,
17735         try the non-cond_exec path also.
17737 2009-06-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17739         PR target/40468
17740         * pa.c (branch_to_delay_slot_p, branch_needs_nop_p): New functions.
17741         (output_cbranch): Use new functions.
17742         (output_lbranch, output_bb, output_bvb, output_dbra, output_movb):
17743         Likewise.
17745 2009-06-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
17746             Pat Haugen  <pthaugen@us.ibm.com>
17747             Revital Eres <ERES@il.ibm.com>
17749         * config/rs6000/rs6000.c (print_operand): Correct lossage message
17750         for %c error.  Add %x support to print VSX registers as a unified
17751         register set, instead of separate float and altivec registers.
17752         Switch to use VECTOR_MEM_ALTIVEC_P instead of TARGET_ALTIVEC for
17753         %y case, and add support for VSX pre-modify addresses.
17754         (output_toc): Add assert for CONST containing an integer constant
17755         in the PLUS case.
17756         (rs6000_adjust_cost): Add POWER7 support.
17757         (insn_must_be_first_in_group): Ditto.
17758         (insn_must_be_last_in_group): Ditto.
17759         (rs6000_emit_popcount): Ditto.
17760         (rs6000_vector_mode_supported_p): Ditto.
17762         * config/rs6000/rs6000-protos.h (rs6000_secondary_reload_class):
17763         Change some of the functions called by macros to being called
17764         through a pointer, so debug functions can be inserted if
17765         -mdebug=addr or -mdebug=cost.
17766         (rs6000_preferred_reload_class_ptr): Ditto.
17767         (rs6000_secondary_reload_class_ptr): Ditto.
17768         (rs6000_secondary_memory_needed_ptr): Ditto.
17769         (rs6000_cannot_change_mode_class_ptr): Ditto.
17770         (rs6000_secondary_reload_inner): Ditto.
17771         (rs6000_legitimize_reload_address): Ditto.
17772         (rs6000_legitimize_reload_address_ptr): Ditto.
17773         (rs6000_mode_dependent_address): Ditto.
17774         (rs6000_mode_dependent_address_ptr): Ditto.
17776         * config/rs6000/rs6000.c (reg_offset_addressing_ok_p): New
17777         function to return true if the mode allows reg + integer
17778         addresses.
17779         (virtual_stack_registers_memory_p): New function to return true if
17780         the address refers to a virtual stack register.
17781         (rs6000_legitimate_offset_address_p): Move code to say whether a
17782         mode supports reg+int addressing to reg_offset_addressing_ok_p and
17783         call it.
17784         (rs6000_legitimate_address_p): Add checks for modes that only can
17785         do reg+reg addressing.  Start adding VSX support.
17786         (rs6000_legitimize_reload_address): Ditto.
17787         (rs6000_legitimize_address): Ditto.
17788         (rs6000_debug_legitimate_address_p): New debug functions for
17789         -mdebug=addr and -mdebug=cost.
17790         (rs6000_debug_rtx_costs): Ditto.
17791         (rs6000_debug_address_costs): Ditto.
17792         (rs6000_debug_adjust_cost): Ditto.
17793         (rs6000_debug_legitimize_address): Ditto.
17794         (rs6000_legitimize_reload_address_ptr): Point to call normal
17795         function or debug function.  Make functions called via pointer
17796         static.
17797         (rs6000_mode_dependent_address_ptr): Ditto.
17798         (rs6000_secondary_reload_class_ptr): Ditto.
17799         (rs6000_hard_regno_mode_ok): Add preliminary VSX support.
17800         (rs6000_emit_move): Add -mdebug=addr support.  Change an abort
17801         into a friendlier error.
17802         (rs6000_init_builtins): Add initial VSX support.
17803         (rs6000_adjust_cost): Fix some spacing issues.
17805         * config/rs6000/rs6000.h (enum reg_class): Add VSX_REGS.
17806         (REG_CLASS_NAMES): Ditto.
17807         (REG_CLASS_CONTENTS): Ditto.
17808         (PREFERRED_RELOAD_CLASS): Move from a macro to calling through a
17809         pointer, to add -mdebug=addr support.
17810         (CANNOT_CHANGE_MODE_CLASS): Ditto.
17811         (SECONDARY_RELOAD_CLASS): Call through a pointer to add
17812         -mdebug=addr support.
17813         (LEGITIMIZE_RELOAD_ADDRESS): Ditto.
17814         (GO_IF_MODE_DEPENDENT_ADDRESS): Ditto.
17815         (enum rs6000_builtins): Add RS6000_BUILTIN_BSWAP_HI.
17817         * config/rs6000/rs6000.md (bswaphi*): Add support for swapping
17818         16-bit values.
17819         (bswapsi*): Set attribute types for load/store.  Add combiner
17820         patterns to eliminate zero extend on 64-bit.
17821         (bswapdi*): Add support for swapping 64-bit values.  Use ldbrx and
17822         stdbrx if the hardware supports those instructions.
17824 2009-06-25  Ian Lance Taylor  <iant@google.com>
17826         * doc/invoke.texi (Option Summary): Mention -static-libstdc++.
17827         (Link Options): Document -static-libstdc++.
17829 2009-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17831         PR target/38731
17832         * config/rs6000/rs6000.c (LOCAL_ALIGNMENT): Redefine to just use
17833         DATA_ALIGNMENT instead.
17835 2009-06-25  Richard Guenther  <rguenther@suse.de>
17837         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Disambiguate
17838         indirect references against the callused/escaped solutions.
17839         (call_may_clobber_ref_p_1): Likewise.
17841 2009-06-25  Martin Jambor  <mjambor@suse.cz>
17843         PR tree-optimization/40493
17844         * tree-sra.c (sra_modify_expr): Correct BIT_FIELD_REF argument numbers.
17845         (enum unscalarized_data_handling): New type.
17846         (handle_unscalarized_data_in_subtree): Return what has been done.
17847         (load_assign_lhs_subreplacements): Handle left flushes differently.
17848         (sra_modify_assign): Use unscalarized_data_handling, simplified
17849         condition determining whether to remove the statement.
17851 2009-06-25  Basile Starynkevitch  <basile@starynkevitch.net>
17853         * doc/plugins.texi (Building GCC plugins): Correct typo in Makefile
17854         excerpt - @ should be doubled for texinfo.
17856 2009-06-24  Ian Lance Taylor  <iant@google.com>
17858         * config/arc/arc.c: Include "df.h".
17859         (arc_attribute_table): Make static.  Move higher in file.
17860         (arc_address_cost): Call SMALL_INT on INTVAL, not rtx.
17861         (output_shift): Initialize n later to avoid warning.
17862         * config/arm/arm.c (arm_attribute_table): Make static.  Move
17863         higher in file.
17864         * config/avr/avr.c (avr_attribute_table): Make static.  Move
17865         higher in file.
17866         (reg_class_tab): Change array type from int to enum reg_class.
17867         (avr_jump_mode): Change GET_MODE to GET_CODE when checking for
17868         LABEL_REF.
17869         (out_tsthi, ashlhi3_out): Don't use AS2 with "or" or "and".
17870         (lshrhi3_out): Likewise.
17871         (class_likely_spilled_p): Change return type to bool.
17872         (avr_rtx_costs): Use local code variable with enum type.
17873         * config/avr/avr.md (movmemhi): Use add_reg_note.
17874         (andhi3, andsi3): Don't use AS2 with "and".
17875         (iorhi3, iorsi3): Don't use AS2 with "or".
17876         * config/avr/avr-protos.h (class_likely_spilled_p): Update declaration.
17877         * config/crx/crx.c: Include "df.h".
17878         (crx_attribute_table): Make static.
17879         * config/m32r/m32r.c: Include "df.h".
17880         (m32r_attribute_table): Make static.  Move higher in file.
17881         (pop): Use add_reg_note.
17882         (block_move_call): Change 0 to LCT_NORMAL in function call.
17883         * config/m32r/m32r.md (movsi_insn): Remove unused local value.
17884         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Likewise.
17885         * config/m32r/m32r-protos.h (m32r_compute_function_type): Always
17886         declare, not just when TREE_CODE is defined.
17887         * config/m68hc11/m68hc11.c: Include "expr.h".
17888         (m68hc11_attribute_table): Make static.  Move higher in file.
17889         (m68hc11_small_indexed_indirect_p): Change 0 to VOIDmode in
17890         function call.
17891         (m68hc11_register_indirect_p): Likewise.
17892         (m68hc11_function_arg_padding): Change return type to enum
17893         direction.
17894         (emit_move_after_reload): Use add_reg_note.
17895         (m68hc11_emit_logical): Change code parameter to enum rtx_code.
17896         (m68hc11_split_logical): Likewise.
17897         (m68hc11_rtx_costs): Add local code_and outer_code variables with
17898         enum type.
17899         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Change 0
17900         to VOIDmode in function call.
17901         * config/m68hc11/m68hc11-protos.h: Don't check TREE_CODE to see if
17902         tree is defined.
17903         (m68hc11_split_logical): Update declaration.
17904         (m68hc11_function_arg_padding): Update declaration.
17905         * config/mcore/mcore.c (regno_reg_class): Change form array of int
17906         to array of enum reg_class.
17907         (mcore_attribute_table): Make static.  Move higher in file.
17908         (mcore_rtx_costs): Add cast to enum type.
17909         * config/mcore/mcore.h (regno_reg_class): Update declaration.
17910         (GO_IF_LEGITIMATE_INDEX): Add cast to avoid warning.
17911         * config/sh/sh.c (sh_attribute_table): Make static.  Move higher
17912         in file.
17913         * config/sh/predicates.md (trapping_target_operand): Rename and to
17914         and_expr.
17915         * config/sparc/sparc.c (sparc_attribute_table): Make static.  Move
17916         higher in file.
17917         * config/spu/spu.c (spu_attribute_table): Make static.  Move
17918         higher in file.
17919         * config/v850/v850.c (v850_attribute_table): Make static.  Move
17920         higher in file.
17921         (v850_rtx_costs): Use local code with enum type.
17922         (expand_epilogue): Add cast.
17923         * config/v850/v850-c.c (ghs_pragma_section): Initialize repeat.
17925 2009-06-23  Takashi YOSHII  <yoshii.takashi@renesas.com>
17927         PR target/40515
17928         * doc/invoke.texi (SH Options): Document -m2a, -m2a-single,
17929         -m2a-single-only and -m2a-nofpu.
17930         * config/sh/sh.opt: Document m2a generates FPU code.
17932 2009-06-24  Anatoly Sokolov  <aesok@post.ru>
17934         * defaults.h (CAN_ELIMINATE): Provide default.
17935         * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
17936         * config/alpha/alpha.h (CAN_ELIMINATE): Delete.
17937         * config/m32c/m32c.h (CAN_ELIMINATE): Delete.
17938         * config/spu/spu.h (CAN_ELIMINATE): Delete.
17939         * config/xtensa/xtensa.h (CAN_ELIMINATE): Delete.
17940         * config/moxie/moxie.h (CAN_ELIMINATE): Delete.
17941         * config/cris/cris.h (CAN_ELIMINATE): Delete.
17942         * config/mn10300/mn10300.h (CAN_ELIMINATE): Delete.
17943         * config/pa/pa64-linux.h (CAN_ELIMINATE): Delete.
17944         * config/mmix/mmix.h (CAN_ELIMINATE): Delete.
17946 2009-06-24  DJ Delorie  <dj@redhat.com>
17948         * mep-ext-cop.cpu: Fix copyright notice.
17949         * mep-default: Fix copyright notice.
17950         * mep-core: Fix copyright notice.
17951         * mep: Fix copyright notice.
17952         * mep-ivc2: Fix copyright notice.
17953         * mep-c5: Fix copyright notice.
17955 2009-06-24  Denis Chertykov  <chertykov@gmail.com>
17957         * doc/contrib.texi (Contributors):
17959 2009-06-24  Andreas Krebbel  <krebbel1@de.ibm.com>
17961         PR middle-end/40501
17962         * tree-ssa-math-opts.c (execute_optimize_bswap): Convert the bswap
17963         src and dst operands if necessary.
17965 2009-06-23  DJ Delorie  <dj@redhat.com>
17967         Add MeP port.
17968         * config.gcc: Add mep support.
17969         * recog.c: Resurrect validate_replace_rtx_subexp().
17970         * recog.h: Likewise.
17971         * config/mep/: Add new port:
17972         * config/mep/constraints.md: New file.
17973         * config/mep/default.h: New file.
17974         * config/mep/intrinsics.h: New file.
17975         * config/mep/intrinsics.md: New file.
17976         * config/mep/ivc2-template.h: New file.
17977         * config/mep/mep-c5.cpu: New file.
17978         * config/mep/mep-core.cpu: New file.
17979         * config/mep/mep-default.cpu: New file.
17980         * config/mep/mep-ext-cop.cpu: New file.
17981         * config/mep/mep-intrin.h: New file.
17982         * config/mep/mep-ivc2.cpu: New file.
17983         * config/mep/mep-lib1.asm: New file.
17984         * config/mep/mep-lib2.c: New file.
17985         * config/mep/mep-pragma.c: New file.
17986         * config/mep/mep-protos.h: New file.
17987         * config/mep/mep-tramp.c: New file.
17988         * config/mep/mep.c: New file.
17989         * config/mep/mep.cpu: New file.
17990         * config/mep/mep.h: New file.
17991         * config/mep/mep.md: New file.
17992         * config/mep/mep.opt: New file.
17993         * config/mep/predicates.md: New file.
17994         * config/mep/t-mep: New file.
17996 2009-06-23  Ian Lance Taylor  <iant@google.com>
17998         * configure.ac: Invoke AC_PROG_CXX.  Separate C specific warnings
17999         from loose_warn into c_loose_warn and from strict_warn into
18000         c_strict_warn.  Set and substitute warn_cxxflags.  Check for
18001         --enable-build-with-cxx.  Set and substitute
18002         ENABLE_BUILD_WITH_CXX.  Set and substitute HOST_LIBS.
18003         * Makefile.in (CXXFLAGS): New variable.
18004         (C_LOOSE_WARN, C_STRICT_WARN): New variables.
18005         (GCC_WARN_CFLAGS): Add $(C_LOOSE_WARN).  Add $(C_STRICT_WARN) if
18006         the default is the same as $(STRICT_WARN).
18007         (GCC_WARN_CXXFLAGS, WARN_CXXFLAGS): New variables.
18008         (CXX): New variable.
18009         (COMPILER): New value if ENABLE_BUILD_WITH_CXX.
18010         (COMPILER_FLAGS, LINKER, LINKER_FLAGS): Likewise.
18011         (ALL_COMPILERFLAGS, ALL_LINKERFLAGS): Likewise.
18012         (HOST_LIBS): New variable.
18013         (GCC_CFLAGS): Add $(C_LOOSE_WARN).
18014         (ALL_CXXFLAGS): New variable.
18015         (LIBS, BACKENDLIBS): Add $(HOST_LIBS).
18016         * doc/install.texi (Configuration): Document
18017         --enable-build-with-cxx, --with-stage1-ldflags,
18018         --with-stage1-libs, --with-boot-ldflags, --with-boot-libs.
18019         * configure: Rebuild.
18021 2009-06-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
18023         * config/arm/arm.c (arm_override_options): Fix braces and formatting
18024         from previous commit.
18026 2009-06-23  Ian Lance Taylor  <iant@google.com>
18028         * Makefile.in ($(out_object_file)): Depend upon $(DF_H).
18030 2009-06-23  Ian Lance Taylor  <iant@google.com>
18032         * reload.c (alternative_allows_const_pool_ref): Mark mem parameter
18033         with ATTRIBUTE_UNUSED.
18035 2009-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
18036             Pat Haugen  <pthaugen@us.ibm.com>
18037             Revital Eres  <eres@il.ibm.com>
18039         * config.in (HAVE_AS_POPCNTD): Add default definition.
18040         (HAVE_AS_LWSYNC): Ditto.
18042         * configure.ac (gcc_cv_as_powerpc_mfpgpr): Provide real binutils
18043         release number.
18044         (gcc_cv_as_powerpc_cmpb): Ditto.
18045         (gcc_cv_as_powerpc_dfp): Ditto.
18046         (gcc_cv_as_powerpc_vsx): Ditto.
18047         (gcc_cv_as_powerpc_popcntd): Add feature test for assembler
18048         supporting the popcntd/lwsync instructions.
18049         (gcc_cv_as_powerpc_lwsync): Ditto.
18050         * configure: Regenerate.
18052         * config/rs6000/aix53.h (ASM_CPU_SPEC): Add support for
18053         -mcpu=native and -mcpu=power7.
18054         * config/rs6000/aix61.h (ASM_CPU_SPEC): Ditto.
18056         * config/rs6000/linux64.opt (-mprofile-kernel): Move switch to be
18057         a variable instead of a mask to reduce the number of mask bits.
18058         * config/rs6000/sysv4.opt (-mbit-align): Ditto.
18059         (-mbit-word): Ditto.
18060         (-mregnames): Ditto.
18061         * config/rs6000/rs6000.opt (-mupdate): Ditto.
18062         (-mfused-madd): Ditto.
18064         * config/rs6000/rs6000.opt (-mpopcntd): New switch for non-VSX ISA
18065         2.06 instructions.
18066         (-mvsx): New switch for VSX instructions.
18067         (-misel): Move from a variable to a mask to allow it to be set by
18068         -mcpu=.
18070         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_nregs): Change
18071         function declaration to an array declaration.
18072         (rs6000_hard_regno_nregs): New external array declaration.
18074         * config/rs6000/t-rs6000 (MD_INCLUDES): Define, add all of the .md
18075         files included by rs6000.md.
18077         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
18078         SET_PROFILE_KERNEL macro to reset the -mprofile-kernel switch.
18080         * config/rs6000/rs6000.c (rs6000_isel): Delete, -misel moved to be
18081         a target mask.
18082         (rs6000_debug_reg): New -mdebug= variables.
18083         (rs6000_debug_addr): Ditto.
18084         (rs6000_debug_cost): Ditto.
18085         (rs6000_pmode): New variable to hold Pmode.
18086         (rs6000_pointer_size): New variable to hold POINTER_SIZE.
18087         (rs6000_class_max_nregs): New array to hold CLASS_MAX_NREGS
18088         calculated at compiler start.
18089         (rs6000_hard_regno_nregs): Change function to an array which holds
18090         HARD_REGNO_NREGS calculated at compiler start.
18091         (rs6000_explicit_options): Delete isel field.
18092         (rs6000_vector_unit): New array to hold which vector unit
18093         supports arithmetic options for a given type.
18094         (rs6000_vector_mem): New array to hold which vector unit supports
18095         memory reference operations for a given type.
18096         (rs6000_vector_align): New array to given the alignment of each
18097         vector type.
18098         (power7_cost): New basic costs for power7.
18099         (SET_PROFILE_KERNEL): New macro for resetting -mprofile-kernel.
18100         (rs6000_hard_regno_nregs_internal): New function, moved from
18101         HARD_REGNO_NREGS, to calculate the number of registers each hard
18102         register takes for each type.
18103         (rs6000_debug_reg_print): New function for -mdebug=reg support.
18104         (rs6000_debug_vector_unit): New array, map rs6000_vector to string.
18105         (+rs6000_init_hard_regno_mode_ok): New function, move calculation
18106         of HARD_REGNO_NREGS, CLASS_MAX_NREGS, REGNO_REG_CLASS, and vector
18107         unit information here so it is calculated once at compiler startup
18108         time.
18109         (rs6000_override_options): Make -misel a target mask.  Add more
18110         power7 target masks.  Setup Pmode and POINTER_SIZE.  Add initial
18111         VSX support.  Add support for -mdebug=reg, -mdebug=addr, and
18112         -mdebug=cost.
18113         (POWERPC_MASKS): Add MASK_POPCNTD, MASK_VSX, and MASK_ISEL.
18114         (rs6000_handle_option): Move -misel from variable to target mask.
18115         (rs6000_builtin_mask_for_load): Add VSX support.
18116         (rs6000_conditional_register_usage): Ditto.
18117         (USE_ALTIVEC_FOR_ARG_P): Ditto.
18118         (function_arg_boundary): Ditto.
18119         (rs6000_expand_builtin): Ditto.
18120         (def_builtin): Make abort message a little friendlier.
18121         (rs6000_emit_int_cmove): Add support for 64-bit isel.
18123         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Depend on the
18124         assembler support the popcntd instruction instead of a vsx
18125         instruction to enable power7 support.
18126         (ASM_CPU_SPEC): Add support for -mcpu=native and -mcpu=power7.
18127         (EXTRA_SPECS): Add ASM_CPU_NATIVE_SPEC to allow passing the right
18128         option to the assembler if -mcpu=native.
18129         (ASM_CPU_NATIVE_SPEC): Ditto.
18130         (TARGET_POPCNTD): If assembler doesn't support popcntd, turn off
18131         ISA 2.06 features.
18132         (TARGET_LWSYNC_INSTRUCTION): Define whether it is safe to issue
18133         the lwsync instruction.
18134         (enum processor_type): Add PROCESSOR_POWER7.
18135         (rs6000_debug_reg): New -mdebug= options.
18136         (rs6000_debug_addr): Ditto.
18137         (rs6000_debug_cost): Ditto.
18138         (rs6000_isel): Delete.
18139         (enum rs6000_vector): New enum to say what vector unit we have.
18140         (VECTOR_UNIT_*): New macros to say which vector unit has
18141         arithmetic operations for a given type.
18142         (VECTOR_MEM_*): New macros to say which vector unit has memory
18143         operations for a given type.
18144         (TARGET_LDBRX): Whether the machine supports the ldbrx
18145         instruction.
18146         (TARGET_ISEL): Delete, -misel moved to be a mask.
18147         (TARGET_ISEL64): New macro for 64-bit isel support.
18148         (UNITS_PER_VSX_WORD): New macro.
18149         (POINTER_SIZE): Move to be an external variable, rather than
18150         calculating whether we are generating 32 ot 64-bit code.
18151         (Pmode): Ditto.
18152         (STACK_BOUNDARY): Add VSX support.
18153         (LOCAL_ALIGNMENT): Ditto.
18154         (SLOW_UNALIGNED_ACCESS): Ditto.
18155         (VSX_REGNO_P): New macro for VSX support.
18156         (VFLOAT_REGNO_P): Ditto.
18157         (VINT_REGNO_P): Ditto.
18158         (VLOGICAL_REGNO_P): Ditto.
18159         (VSX_VECTOR_MODE): Ditto.
18160         (VSX_SCALAR_MODE): Ditto.
18161         (VSX_MODE): Ditto.
18162         (VSX_MOVE_MODE): Ditto.
18163         (VSX_REG_CLASS_P): Ditto.
18164         (HARD_REGNO_NREGS): Instead of calling a function, use an array
18165         lookup.
18166         (UNITS_PER_SIMD_WORD): Add VSX support.
18167         (MODES_TIEABLE_P): Ditto.
18168         (STARTING_FRAME_OFFSET): Ditto.
18169         (STACK_DYNAMIC_OFFSET): Ditto.
18170         (EPILOGUE_USES): Ditto.
18171         (REGNO_REG_CLASS): Move to array lookup.
18172         (CLASS_MAX_NREGS): Ditto.
18173         (rs6000_vector_reg_class): Add declaration.
18174         (ADDITIONAL_REGISTER_NAMES): Add VSX names for the registers that
18175         overlap with the floating point and Altivec registers.
18177         * config/rs6000/e500.h (CHECK_E500_OPTIONS): Disallow -mvsx.
18179         * config/rs6000/driver-rs6000.c (asm_names): New static array to
18180         give the appropriate asm switches if -mcpu=native.
18181         (host_detect_local_cpu): Add support for "asm".
18182         (host_detect_local_cpu): Follow GNU code guidelines for name.
18184         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Move
18185         -mbit-word to a variable instead of being a target mask.
18187         * config/rs6000/sync.md (lwsync): If the assembler supports it,
18188         emit the lwsync instruction instead of emitting the instruction as
18189         an integer constant.
18191         * config/rs6000/spe.md (spe_fixuns_truncdfsi2): Rename from
18192         fixuns_trundfsi2, move expander into rs6000.md.
18194         * config/rs6000/rs6000.md (cpu): Add power7.
18195         (sel, *ptrsize): New mode attributes for 32/64-bit isel.
18196         (logical predicate patterns): Change the single instruction
18197         primitives that set CR0 to be fast_compare instead of compare.
18198         (norsi*): Ditto.
18199         (popcntwsi2): Add support for ISA 2.06 popcount instructions.
18200         (popcntddi2): Ditto.
18201         (popcount<mode>): Ditto.
18202         (floating multiply/add insns): Name the floating point
18203         multiply/add insns.
18204         (isel_signed_<mode>): Add support for -misel on 64-bit systems.
18205         (isel_unsigned_<mode>): Ditto.
18206         (fixuns_trundfsi2): Move expander here from spe.md.
18207         (smindi3): Define if we have -misel on 64-bit systems.
18208         (smaxdi3): Ditto.
18209         (umindi3): Ditto.
18210         (umaxdi3): Ditto.
18212 2009-06-23  Anatoly Sokolov  <aesok@post.ru>
18214         * config.gcc (avr-*-rtems*, avr-*-*): Set extra_gcc_objs and
18215         extra_objs.
18216         * config/avr/avr.c (avr_current_device): New variable.
18217         (avr_arch_types, avr_mcu_types): Move to avr-deveces.c.
18218         (avr_arch, mcu_type_s): Move to avr.h.
18219         * config/avr/avr.h (base_arch_s). Add reserved2, arch_name and
18220         default_data_section_start fields.
18221         (avr_arch): Moved from avr.c.
18222         (mcu_type_s): Moved from avr.c. Add short_sp, data_section_start and
18223         library_name fields.
18224         (avr_current_device, avr_mcu_types, avr_arch_types,
18225         avr_device_to_arch, avr_device_to_data_start,
18226         avr_device_to_startfiles, avr_device_to_devicelib): Declare.
18227         (EXTRA_SPEC_FUNCTIONS): Define.
18228         (LINK_SPEC): Remove device name to '-m ...' and '-Tdata ...' linker
18229         options mapping. Use device_to_arch and device_to_data_start insted.
18230         (STARTFILE_SPEC): Use device_to_startfile instead of crt_binutils.
18231         (CRT_BINUTILS_SPECS, EXTRA_SPECS): Remove.
18232         * config/avr/t-avr (driver-avr.o, avr-devices.o): New rules.
18233         * config/avr/driver-avr.c: New file.
18234         * config/avr/avr-devices.c: New file.
18236 2009-06-23  Jakub Jelinek  <jakub@redhat.com>
18238         * var-tracking.c (unshare_variable): Force initialized to
18239         be VAR_INIT_STATUS_INITIALIZED unless flag_var_tracking_uninit.
18240         (set_variable_part): Likewise.
18241         (struct variable_union_info): Remove pos_src field.
18242         (vui_vec, vui_allocated): New variables.
18243         (variable_union): Pass VAR_INIT_STATUS_UNKNOWN to unshare_variable
18244         unconditionally.  Avoid XCVECNEW/free for every sorting, for dst_l
18245         == 1 use a simpler sorting algorithm.  Compute pos field right
18246         away, don't fill in pos_src.  For dst_l == 2 avoid qsort.
18247         Avoid quadratic comparison if !flag_var_tracking_uninit.
18248         (variable_canonicalize): Pass VAR_INIT_STATUS_UNKNOWN to
18249         unshare_variable unconditionally.
18250         (dataflow_set_different_2): Removed.
18251         (dataflow_set_different): Don't traverse second hash table.
18252         (compute_bb_dataflow): Pass VAR_INIT_STATUS_UNINITIALIZED
18253         unconditionally to var_reg_set or var_mem_set.
18254         (emit_notes_in_bb): Likewise.
18255         (delete_variable_part): Pass VAR_INIT_STATUS_UNKNOWN to
18256         unshare_variable.
18257         (emit_note_insn_var_location): Don't set initialized to
18258         VAR_INIT_STATUS_INITIALIZED early.
18259         (vt_finalize): Free vui_vec if needed, clear vui_vec and
18260         vui_allocated.
18261         * rtl.c (rtx_equal_p): Don't implement on top of rtx_equal_p_cb.
18263         * tree-object-size.c (addr_object_size): Instead of checking
18264         for non-NULL TREE_CHAIN of the FIELD_DECL check that there
18265         are no FIELD_DECLs following it.
18267 2009-06-23  Andreas Krebbel  <krebbel1@de.ibm.com>
18269         * tree-ssa-math-opts.c (find_bswap): Increase the search depth in
18270         order to match bswaps with signed source operands.
18272 2009-06-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
18274         * sdbout.c (sdbout_one_type): Fix braces in switch.
18276 2009-06-23  Richard Guenther  <rguenther@suse.de>
18278         * tree-ssa-structalias.c (struct variable_info): Add is_global_var
18279         member.
18280         (var_anything, anything_tree, var_nothing, nothing_tree, var_readonly,
18281         readonly_tree, var_escaped, escaped_tree, var_nonlocal, nonlocal_tree,
18282         var_callused, callused_tree, var_storedanything, storedanything_tree,
18283         var_integer, integer_tree): Remove global variables.
18284         (new_var_info): Do not pass new id, append the new var to the
18285         global variable vector.
18286         (do_ds_constraint): Use is_global_var member of the variable-info.
18287         (new_scalar_tmp_constraint_exp): Adjust.
18288         (create_function_info_for): Likewise.
18289         (create_variable_info_for): Likewise.
18290         (find_what_var_points_to): Remove dead code.
18291         (init_base_vars): Simplify.
18292         (compute_points_to_sets): Adjust.
18294 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
18296         * combine.c (try_combine): Dump information about the insns we're
18297         combining.
18299 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
18301         * combine.c (combine_simplify_rtx): Remove TRULY_NOOP_TRUNCATION
18302         check when calling force_to_mode on TRUNCATE's operand.
18304 2009-06-22  Ian Lance Taylor  <iant@google.com>
18306         * config/rs6000/rs6000.opt: Move msched-epilog before msched-prolog.
18308 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
18310         * config/arm/arm.md (prologue_use): Set length of fake insn to 0.
18312 2009-06-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18314         * doc/invoke.texi (Link Options): -nodefaultlibs and -nostdlib
18315         override library linkage flags such as -static-libgcc or
18316         -shared-libgcc.
18318 2009-06-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
18320         * config/m68k/m68k-devices.def: Add line for MCF5221x.
18322 2009-06-22  Ian Lance Taylor  <iant@google.com>
18324         * config/linux.opt: Put mglibc ahead of muclibc.
18326         * c-decl.c (diagnose_mismatched_decls): Add -Wc++-compat warning
18327         for duplicate decls.
18329 2009-06-22  Matthias Klose  <doko@ubuntu.com>
18331         * Makefile.in (install-plugin): Remove extra `/' after $(DESTDIR).
18333 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
18335         PR objc/28050
18336         * c-parser.c (c_parser_objc_message_args): Return error_mark_node
18337         instead of NULL if a parser error occurs.
18339 2009-06-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
18341         * dwarf2out.c (dwarf2_debug_hooks): Initialize
18342         non-DWARF2_DEBUGGING_INFO version.
18344 2009-06-22  Kai Tietz  <kai.tietz@onevision.com>
18346         * config.gcc (i[34567]86-*-mingw*, x86_64-*-mingw*): Add
18347         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file.
18349         * config/i386/mingw32.h (LIBGCC2_HAS_TF_MODE): Define.
18350         (LIBGCC2_TF_CEXT): Define.
18351         (TF_SIZE): Define.
18353 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
18355         PR target/40463
18356         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Fix definition.
18358 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
18360         * config/arm/arm.c (arm_override_options): Disable
18361         -mcaller-super-interworking and -mcallee-super-interworking.
18362         * doc/invoke.texi (ARM Options): Document this.
18364 2009-06-22  Nathan Sidwell  <nathan@codesourcery.com>
18366         * config/arm/arm.c (arm_print_operand): Deal with HIGH.
18367         * config/arm/constraints.md (j): New constraint for movw operands.
18368         (N): Remove thumb2 meaning.
18369         * config/arm/arm.md (*arm_movw): Delete.
18370         (*arm_movsi_insn): Use j constraint for movw instead of N constraint.
18371         * config/arm/vfp.md (*arm_movsi_vfp, *thumb2_movsi_vfp): Likewise.
18372         * config/arm/thumb2.md (*thumb2_movsi_insn): Likewise.
18374 2009-06-22  Martin Jambor  <mjambor@suse.cz>
18376         PR tree-optimization/40492
18377         * tree-sra.c (sra_modify_assign): Pass zero offsets to
18378         build_ref_for_offset.
18380 2009-06-22  Shujing Zhao  <pearly.zhao@oracle.com>
18382         * alias.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P, CALL_P, NOTE_P and
18383         JUMP_TABLE_DATA_P predicates where applicable.
18384         * auto-inc-dec.c: Ditto.
18385         * builtins.c: Ditto.
18386         * caller-save.c: Ditto.
18387         * calls.c: Ditto.
18388         * cfgcleanup.c: Ditto.
18389         * cfglayout.c: Ditto.
18390         * cfgrtl.c: Ditto.
18391         * combine.c: Ditto.
18392         * combine-stack-adj.c: Ditto.
18393         * cse.c: Ditto.
18394         * cselib.c: Ditto.
18395         * dbxout.c: Ditto.
18396         * df-scan.c: Ditto.
18397         * dse.c: Ditto.
18398         * dwarf2asm.c: Ditto.
18399         * dwarf2out.c: Ditto.
18400         * emit-rtl.c: Ditto.
18401         * except.c: Ditto.
18402         * explow.c: Ditto.
18403         * expmed.c: Ditto.
18404         * expr.c: Ditto.
18405         * final.c: Ditto.
18406         * function.c: Ditto.
18407         * fwprop.c: Ditto.
18408         * gcse.c: Ditto.
18409         * genpreds.c: Ditto.
18410         * genrecog.c: Ditto.
18411         * ifcvt.c: Ditto.
18412         * ira-costs.c: Ditto.
18413         * ira-lives.c: Ditto.
18414         * jump.c: Ditto.
18415         * loop-iv.c: Ditto.
18416         * lower-subreg.c: Ditto.
18417         * modulo-sched.c: Ditto.
18418         * optabs.c: Ditto.
18419         * postreload.c: Ditto.
18420         * print-rtl.c: Ditto.
18421         * recog.c: Ditto.
18422         * reginfo.c: Ditto.
18423         * regmove.c: Ditto.
18424         * reload1.c: Ditto.
18425         * reload.c: Ditto.
18426         * reorg.c: Ditto.
18427         * rtlanal.c: Ditto.
18428         * rtl.c: Ditto.
18429         * sched-vis.c: Ditto.
18430         * sdbout.c: Ditto.
18431         * sel-sched-ir.c: Ditto.
18432         * simplify-rtx.c: Ditto.
18433         * targhooks.c: Ditto.
18434         * var-tracking.c: Ditto.
18435         * vmsdbgout.c: Ditto.
18437 2009-06-22  Matthias Klose  <doko@ubuntu.com>
18439         * Makefile.in (install-plugin): Always use DESTDIR.
18441 2009-06-22  Olivier Hainque  <hainque@adacore.com>
18443         * config/pa/pa.c (output_call): Don't optimize post call jumps
18444         into return address adjustments if the call may throw.
18446 2009-06-21  Richard Earnshaw  <rearnsha@arm.com>
18448         * arm.c (thumb1_output_casesi): New function.
18449         * arm.h (CASE_VECTOR_PC_RELATIVE): Thumb-1 code is also relative if
18450         optimizing for size or PIC.
18451         (CASE_VECTOR_SHORTEN_MODE): Handle thumb-1.
18452         * arm.md (UNSPEC_THUMB1_CASESI): New constant.
18453         (casesi): Handle Thumb-1 when optimizing for size or PIC.
18454         (thumb1_casesi_internal_pic): New expand rule.
18455         (thumb1_casesi_dispatch): New pattern.
18456         * aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use shortened vectors for
18457         thumb-1 mode.
18458         * coff.h (JUMP_TABLES_IN_TEXT_SECTION): Thumb-1 jump tables are now
18459         in the text seciton when PIC or optimizing for size.
18460         * elf.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
18461         * lib1funcs.asm ([__ARM_EABI__]): Add an attribute describing stack
18462         preservation properties of code.
18463         (__gnu_thumb1_case_sqi, __gnu_thumb1_case_uqi): New functions.
18464         (__gnu_thumb1_case_shi, __gnu_thumb1_case_uhi): New functions.
18465         (__gnu_thumb1_case_si): New function.
18466         * t-arm (LIB1ASMSRC): Define here.
18467         (LIB1ASMFUNCS): Add some common functions.
18468         * t-arm-elf (LIB1ASMSRC): Delete.
18469         (LIB1ASMFUNCS): Append to existing set.
18470         * t-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
18471         * t-strongarm-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
18472         * t-symbian (LIB1ASMFUNCS): Likewise.
18473         * t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
18474         * t-wince-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
18476 2009-06-21  Richard Guenther  <rguenther@suse.de>
18478         PR tree-optimization/38729
18479         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Restrict
18480         to loops with a single exit if -fno-expensive-optimizations.
18482 2009-06-21  Jakub Jelinek  <jakub@redhat.com>
18484         * var-tracking.c (struct shared_hash_def, shared_hash): New types.
18485         (dataflow_set): Change vars type from htab_t to shared_hash.
18486         (shared_hash_pool, empty_shared_hash): New variables.
18487         (vars_clear): Removed.
18488         (shared_hash_shared, shared_hash_htab, shared_hash_copy,
18489         shared_hash_find_slot_unshare, shared_hash_find_slot,
18490         shared_hash_find_slot_noinsert, shared_hash_find): New
18491         static inlines.
18492         (shared_hash_unshare, shared_hash_destroy): New functions.
18493         (unshare_variable): Unshare set->vars if shared, use
18494         shared_hash_htab.
18495         (vars_copy): Use htab_traverse_noresize instead of htab_traverse.
18496         (get_init_value, find_src_set_src, dump_dataflow_set,
18497         clobber_variable_part, emit_notes_for_differences): Use
18498         shared_hash_htab.
18499         (dataflow_set_init): Remove second argument, set vars to
18500         empty_shared_hash instead of creating a new htab.
18501         (dataflow_set_clear): Call shared_hash_destroy and set vars
18502         to empty_shared_hash instead of calling vars_clear.
18503         (dataflow_set_copy): Don't call vars_copy, instead just share
18504         the src htab with dst.
18505         (variable_union): Use shared_hash_*, use initially NO_INSERT
18506         lookup if set->vars is shared.  Don't keep slot cleared before
18507         calling unshare_variable.  Unshare set->vars if needed.
18508         Even ->refcount == 1 vars must be unshared if set->vars is shared
18509         and var needs to be modified.
18510         (variable_canonicalize): New function.
18511         (dataflow_set_union): If dst->vars is empty, just share src->vars
18512         with dst->vars and traverse with variable_canonicalize to canonicalize
18513         and unshare what is needed.
18514         (dataflow_set_different): If old_set and new_set use the same shared
18515         htab, they aren't different.  If number of htab elements is different,
18516         htabs are different.  Use shared_hash_*.
18517         (dataflow_set_destroy): Call shared_hash_destroy instead of
18518         htab_delete.
18519         (compute_bb_dataflow, emit_notes_in_bb, vt_emit_notes): Don't pass
18520         second argument to dataflow_set_init.
18521         (vt_initialize): Likewise.  Initialize shared_hash_pool and
18522         empty_shared_hash, move bb in/out initialization afterwards.
18523         Use variable_htab_free instead of NULL as changed_variables del hook.
18524         (variable_was_changed): Change type of second argument to pointer to
18525         dataflow_set.  When inserting var into changed_variables, bump
18526         refcount.  Unshare set->vars if set is shared htab and slot needs to
18527         be cleared.
18528         (set_variable_part): Use shared_hash_*, use initially NO_INSERT
18529         lookup if set->vars is shared.  Unshare set->vars if needed.
18530         Even ->refcount == 1 vars must be unshared if set->vars is shared
18531         and var needs to be modified.  Adjust variable_was_changed caller.
18532         (delete_variable_part): Use shared_hash_*.  Even ->refcount == 1
18533         vars must be unshared if set->vars is shared and var needs to be
18534         modified.  Adjust variable_was_changed caller.
18535         (emit_note_insn_var_location): Don't pool_free var.
18536         (emit_notes_for_differences_1): Initialize empty_var->refcount to 0
18537         instead of 1.
18538         (vt_finalize): Call htab_delete on empty_shared_hash->htab and
18539         free_alloc_pool on shared_hash_pool.
18541 2009-06-20  Anthony Green  <green@moxielogic.com>
18543         * config/moxie/sfp-machine.h (__gcc_CMPtype, CMPtype): Define.
18544         * config/moxie/moxie.h (LOAD_EXTEND_OP): Define.
18546 2009-06-20  Richard Guenther  <rguenther@suse.de>
18548         * tree-ssa-structalias.c (find_func_aliases): For memset use
18549         a constraint from NULL if we memset to zero.
18550         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Add builtins
18551         we explicitly handle that do not read from memory.
18552         (call_may_clobber_ref_p_1): Properly handle builtins that may
18553         set errno.
18555 2009-06-20  Richard Guenther  <rguenther@suse.de>
18557         PR tree-optimization/40495
18558         * tree-ssa-structalias.c (get_constraint_exp_for_temp): Remove.
18559         (new_scalar_tmp_constraint_exp): New function.
18560         (process_constraint): Do not create temporary decls.
18561         (process_all_all_constraints): Likewise.
18562         (handle_const_call): Likewise.
18563         (create_function_info_for): Do not set decl.
18565 2009-06-19  Ian Lance Taylor  <iant@google.com>
18567         * config/rs6000/rs6000.c (rs6000_explicit_options): Make static.
18568         (rs6000_attribute_table): Make static; move before use.
18570 2009-06-19  Eric Botcazou  <ebotcazou@adacore.com>
18572         * tree.c (substitute_in_expr) <COMPONENT_REF>: Tweak and reformat.
18573         <tcc_vl_exp>: Call process_call_operands on the new CALL_EXPR.
18574         Propagate the TREE_READONLY flag without overwriting it.
18575         (substitute_placeholder_in_expr) <tcc_vl_exp>: Likewise.
18576         Propagate the TREE_READONLY flag onto the result.
18577         (process_call_operands): Move around.  Use correct constant value.
18579 2009-06-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
18581         PR target/40482
18582         * config/arm/arm.c (thumb_shiftable_const): Truncate val to 32 bits.
18583         * config/arm/arm.md: Likewise.
18585 2009-06-19  Ian Lance Taylor  <iant@google.com>
18587         * tree-cfg.c (gimple_redirect_edge_and_branch): Change ERROR_MARK
18588         to GIMPLE_ERROR_MARK.
18590         * c-typeck.c (build_conditional_expr): Add op1_original_type and
18591         op2_original_type parameters.  Warn about using different enum types.
18592         * c-parser.c (c_parser_conditional_expression): Pass original
18593         types to build_conditional_expr.
18594         * c-tree.h (build_conditional_expr): Update declaration.
18596 2009-06-19  Ian Lance Taylor  <iant@google.com>
18598         * config/i386/i386.c (ix86_function_specific_save): Test that
18599         fields match values, rather than testing the values are in a
18600         certain range.
18602 2009-06-19  Richard Guenther  <rguenther@suse.de>
18604         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle
18605         ADDR_EXPR pointers.
18606         (ptr_derefs_may_alias_p): Likewise.
18607         (ptr_deref_may_alias_ref_p_1): New function.
18608         (ptr_deref_may_alias_ref_p): Likewise.
18609         (ref_maybe_used_by_call_p_1): Handle builtins that are not
18610         covered by looking at the ESCAPED solution.
18611         (call_may_clobber_ref_p_1): Likewise.
18612         * tree-ssa-structalias.c (get_constraint_for_ptr_offset):
18613         Handle NULL_TREE offset.  Do not produce redundant constraints.
18614         (process_all_all_constraints): New helper function.
18615         (do_structure_copy): Use it.
18616         (handle_lhs_call): Likewise.
18617         (find_func_aliases): Handle some builtins with pointer arguments
18618         and/or return values explicitly.
18620 2009-06-19  Ian Lance Taylor  <iant@google.com>
18622         * varasm.c (const_rtx_hash_1): Remove const qualifier from shift.
18624 2009-06-19  Ian Lance Taylor  <iant@google.com>
18626         * rtl.h (SUBREG_PROMOTED_UNSIGNED_P): Add cast to int.
18628 2009-06-19  Ian Lance Taylor  <iant@google.com>
18630         * ggc-page.c (ggc_pch_write_object): Initialize emptyBytes.
18631         * sdbout.c (sdb_debug_hooks): Initialize non-SDB_DEBUGGING_INFO
18632         version.
18634         * c-decl.c (finish_decl): If -Wc++-compat, warn about
18635         uninitialized const.
18637 2009-06-19  Ian Lance Taylor  <iant@google.com>
18639         * dse.c (struct store_info): Rename bitmap field to bmap.  Change
18640         all uses.
18642         * c-decl.c (in_struct, struct_types): Remove.
18643         (struct c_binding): Add in_struct field.
18644         (c_binding_ptr): Define type, along with VEC.
18645         (struct c_struct_parse_info): Define.
18646         (struct_parse_info): New static variable.
18647         (bind): Initialize in_struct field.
18648         (start_struct): Remove enclosing_in_struct and
18649         enclosing_struct_types parameters.  Add
18650         enclosing_struct_parse_info parameter.  Change all callers.  Set
18651         struct_parse_info rather than in_struct and struct_types.
18652         (grokfield): If -Wc++-compat and there is a symbol binding for the
18653         field name, set the in_struct flag and push it on the
18654         struct_parse_info->fields vector.
18655         (warn_cxx_compat_finish_struct): New static function.
18656         (finish_struct): Remove enclosing_in_struct and
18657         enclosing_struct_types parameters.  Add
18658         enclosing_struct_parse_info parameter.  Change all callers.  Don't
18659         set C_TYPE_DEFINED_IN_STRUCT here.  Call
18660         warn_cxx_compat_finish_struct.  Free struct_parse_info and set to
18661         parameter.  Only push on struct_types if warn_cxx_compat.
18662         (finish_enum): Only push on struct_types if warn_cxx_compat.
18663         (declspecs_add_type): Add loc parameter.  Change all callers.
18664         Change all error calls to error_at.  Pass loc, not input_location,
18665         to pedwarn calls.  Warn if -Wc++-compat and a typedef name is
18666         defined in a struct.  If -Wc++-compat and parsing a struct, record
18667         that a typedef name was used.
18668         * c-parser.c (c_parser_declspecs): Get location to pass to
18669         declspecs_add_type.
18670         (c_parser_struct_or_union_specifier): Update calls to start_struct
18671         and finish_struct.
18672         * c-tree.h (struct c_struct_parse_info): Declare.
18673         (finish_struct, start_struct): Update declarations.
18674         (declspecs_add_type): Update declaration.
18676 2009-06-19  Ian Lance Taylor  <iant@google.com>
18678         * c-decl.c (grokdeclarator): If -Wc++-compat, warn about a global
18679         variable with an anonymous type.
18681 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
18683         * see.c: Remove for real.
18685 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
18687         * optabs.h (enum optab_index): Add new OTI_significand.
18688         (significand_optab): Define corresponding macro.
18689         * optabs.c (init_optabs): Initialize significand_optab.
18690         * genopinit.c (optabs): Implement significand_optab using
18691         significand?f2 patterns.
18692         * builtins.c (expand_builtin_mathfn): Handle
18693         BUILT_IN_SIGNIFICAND{,F,L}.
18694         (expand_builtin): Expand BUILT_IN_SIGNIFICAND{,F,L} using
18695         expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
18697         * config/i386/i386.md (significandxf2, significand<mode>2): New
18698         expanders to implement significandf, significand and significandl
18699         built-ins as inline x87 intrinsics.
18701 2009-06-18  Anatoly Sokolov  <aesok@post.ru>
18703         * config/avr/avr.c (avr_override_options): Remove setting value of
18704         PARAM_INLINE_CALL_COST.
18706 2009-06-18  Richard Henderson  <rth@redhat.com>
18708         PR 40488
18709         * tree-pass.h (TDF_ASMNAME): New.
18710         * tree-dump.c (dump_options): Add asmname.
18711         * doc/invoke.texi: Document it.
18713         * tree-pretty-print.c (maybe_dump_asm_name): Merge into...
18714         (dump_decl_name): ...here.
18715         (dump_function_name): New flags arg; mind TDF_ASMNAME.
18716         (dump_generic_node): Update dump_function_name calls.
18717         (print_call_name): New flags arg; update all dump calls.
18718         * diagnostic.h (print_call_name): Update.
18719         * gimple-pretty-print.c (dump_gimple_call): Update.
18721 2009-06-18  H.J. Lu  <hongjiu.lu@intel.com>
18723         PR target/40470
18724         * config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Add SSE_FIRST_REG.
18726 2009-06-18  Diego Novillo  <dnovillo@google.com>
18728         * doc/plugins.texi: Document plugin_is_GPL_compatible.
18729         * plugin.c (str_license): Declare.
18730         (try_init_one_plugin): Assert that the symbol
18731         'plugin_is_GPL_compatible' exists.
18733 2009-06-18  Sergei Dyshel  <sergeid@il.ibm.com>
18735         * see.c: Remove.
18736         * Makefile.in (OBJS-common): Remove see.o.
18737         (see.o): Remove.
18738         * common.opt (fsee): Mark as preserved for backward compatibility.
18739         * opts.c (common_handle_option): Add OPT_fsee to the backward
18740         compatibility section.
18741         * passes.c (init_optimization_passes, pass_see): Remove pass.
18742         * timevar.def (TV_SEE): Remove.
18743         * tree-pass.h (pass_see): Remove declaration.
18744         * doc/invoke.texi (-fsee): Remove documentation.
18746 2009-06-18  Martin Jambor  <mjambor@suse.cz>
18748         * tree-sra.c: Include statistics.h
18749         (sra_stats): New variable.
18750         (sra_initialize): Clear sra_stats.
18751         (create_access_replacement): Increment sra_stats.replacements.
18752         (get_access_replacement): Do not return twice.
18753         (analyze_all_variable_accesses): Increment statistics counter by the
18754         number of scalarized aggregates.
18755         (generate_subtree_copies): Increment sra_stats.subtree_copies.
18756         (sra_modify_expr): Increment sra_stats.exprs.
18757         (load_assign_lhs_subreplacements): Increment sra_stats.subreplacements.
18758         (sra_modify_assign): Increment sra_stats.exprs,
18759         sra_stats.separate_lhs_rhs_handling and sra_stats.deleted.
18760         (perform_intra_sra): Update statistics counters.
18761         * Makefile.in (tree-sra.o): Add statistics.h to dependencies.
18763 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
18765         * config/arm/arm.c (TARGET_SCALAR_MODE_SUPPORTED_P): Redefine.
18766         (arm_scalar_mode_supported_p): New function.
18768 2009-06-18  Paul Brook  <paul@codesourcery.com>
18769             Sandra Loosemore  <sandra@codesourcery.com>
18771         * config/arm/sfp-machine.h (_FP_NANFRAC_H, _FP_NANSIGN_H): Define.
18772         (__extendhfsf2, __truncsfhf2): Define.
18773         * config/arm/fp16.c: New file.
18774         * config/arm/t-bpabi (LIB2FUNCS_STATIC_EXTRA): Add fp16.c.
18775         * config/arm/t-symbian (LIB2FUNCS_STATIC_EXTRA):  Add fp16.c.
18777 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
18779         * doc/extend.texi (Half-Precision): New section.
18780         * doc/invoke.texi (Option Summary): List -mfp16-format.
18781         (ARM Options): List neon-fp16 as -mfpu value.  Document -mfp16-format.
18782         * config/arm/arm.opt (mfp16-format=): New.
18783         * config/arm/arm.c: Include intl.h.
18784         (TARGET_INVALID_PARAMETER_TYPE): Redefine.
18785         (TARGET_INVALID_RETURN_TYPE): Redefine.
18786         (TARGET_PROMOTED_TYPE): Redefine.
18787         (TARGET_CONVERT_TO_TYPE): Redefine.
18788         (arm_fp16_format): Define.
18789         (all_fpus): Add entry for neon-fp16.
18790         (fp_model_for_fpu): Likewise.
18791         (struct fp16_format): Declare.
18792         (all_fp16_formats): Define.
18793         (arm_init_libfuncs): Add entries for HFmode conversions and arithmetic
18794         functions.
18795         (arm_override_options): Set arm_fp16_format. Call sorry for fp16
18796         and no ldrh.
18797         (arm_legitimate_index_p): Treat HFmode like HImode.
18798         (thumb1_legitimate_address_p): Make it recognize HFmode constants.
18799         (coproc_secondary_reload_class): Special-case HFmode.
18800         (arm_print_operand): Add 'z' specifier for vld1.16/vst1.16.
18801         (arm_hard_regno_mode_ok): Allow HFmode values in VFP registers.
18802         (arm_init_fp16_builtins): New.
18803         (arm_init_builtins): Call it.
18804         (arm_invalid_parameter_type): New.
18805         (arm_invalid_return_type): New.
18806         (arm_promoted_type): New.
18807         (arm_convert_to_type).
18808         (arm_file_start): Deal with neon-fp16 as fpu_name.  Emit tag for fp16
18809         format.
18810         (arm_emit_fp16_const): New function.
18811         (arm_mangle_type): Mangle __fp16 as "Dh".
18812         * config/arm/arm.h (TARGET_VFPD32): Make it know about
18813         FPUTYPE_NEON_FP16.
18814         (TARGET_NEON_FP16): New.
18815         (TARGET_NEON): Make it know about FPUTYPE_NEON_FP16.
18816         (enum fputype): Add FPUTYPE_NEON_FP16.
18817         (enum arm_fp16_format_type): Declare.
18818         (arm_fp16_format): Declare.
18819         (LARGEST_EXPONENT_IS_NORMAL): Define.
18820         * config/arm/arm-protos.h (arm_emit_fp16_const): Declare.
18821         * config/arm/arm-modes.def (HFmode): Define.
18822         * config/arm/vfp.md (*movhf_vfp): New.
18823         (extendhfsf2): New.
18824         (truncsfhf2): New.
18825         * config/arm/arm.md (fpu): Add neon_fp16.
18826         (floatsihf2, floatdihf2): New.
18827         (fix_trunchfsi2, fix_trunchfdi2): New.
18828         (truncdfhf2): New.
18829         (extendhfdf2): New.
18830         (movhf): New.
18831         (*arm32_movhf): New.
18832         (*thumb1_movhf): New.
18833         (consttable_2): Add check for HFmode constants.
18834         (consttable_4): Handle HFmode constants.
18836 2009-06-18  Uros Bizjak  <ubizjak@gmail.com>
18838         * convert.c (convert_to_integer): Convert (int)logb() into ilogb().
18840 2009-06-17  Olivier Hainque  <hainque@adacore.com>
18842         * collect2.c (main): Use CONST_CAST2 to perform char ** to
18843         const char ** conversion in AIX specific section.
18845 2009-06-17  H.J. Lu  <hongjiu.lu@intel.com>
18847         * config/i386/i386.c (ix86_special_builtin_type): Remove
18848         UINT64_FTYPE_PINT.  Add UINT64_FTYPE_PUNSIGNED.
18849         (bdesc_special_args): Updated.
18850         (ix86_init_mmx_sse_builtins): Likewise.
18851         (ix86_expand_special_args_builtin): Likewise.
18853 2009-06-17  Richard Henderson  <rth@redhat.com>
18855         * tree-pretty-print.c (maybe_dump_asm_name): New.
18856         (dump_decl_name): Use it.
18857         (PRINT_FUNCTION_NAME): Merge into...
18858         (dump_function_name): ... here.  Use maybe_dump_asm_name.
18860 2009-06-17  Cary Coutant  <ccoutant@google.com>
18862         * dbxout.c (dbxout_source_line): Add is_stmt parameter.
18863         Change caller.
18864         * debug.c (struct gcc_debug_hooks): Change placeholder for
18865         source_line hook.
18866         (debug_nothing_int_charstar_int): Replaced by...
18867         (debug_nothing_int_charstar_int_bool): ...this.
18868         * debug.h (struct gcc_debug_hooks): Add is_stmt parameter to
18869         source_line prototype.
18870         (debug_nothing_int_charstar_int): Replaced by...
18871         (debug_nothing_int_charstar_int_bool): ...this.
18872         * defaults.h (SUPPORTS_DISCRIMINATOR): New constant.
18873         * dwarf2out.c (dwarf2out_source_line): Add is_stmt parameter.
18874         Output is_stmt operand when necessary.
18875         * final.c (final_scan_insn): Pass is_stmt to source_line debug hook.
18876         (notice_source_line): Add is_stmt parameter.
18877         * sdbout.c (sdbout_source_line): Add is_stmt parameter.
18878         * vmsdbgout.c (vmsdbgout_source_line): Add is_stmt parameter.
18879         Change callers.
18880         * xcoffout.c (xcoffout_source_line): Add is_stmt parameter.
18881         * xcoffout.h (xcoffout_source_line): Add is_stmt parameter.
18883 2009-06-17  Ian Lance Taylor  <iant@google.com>
18885         * expr.c (struct move_by_pieces_d): Rename from move_by_pieces.
18886         Change all uses.
18887         (struct store_by_pieces_d): Rename from store_by_pieces.  Change
18888         call uses.
18890 2009-06-17  Adam Nemet  <anemet@caviumnetworks.com>
18892         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS,
18893         STRIP_USELESS_TYPE_CONVERSION): Use tree_strip_nop_conversions,
18894         tree_strip_sign_nop_conversions and
18895         tree_ssa_strip_useless_type_conversions rather than stripping
18896         the operations here.
18897         (tree_strip_nop_conversions, tree_strip_sign_nop_conversions):
18898         Declare them.
18899         * gimple.h (tree_ssa_strip_useless_type_conversions): Declare it.
18900         * tree-ssa.c (tree_ssa_strip_useless_type_conversions): New function.
18901         * tree.c (tree_nop_conversion, tree_sign_nop_conversion,
18902         tree_strip_nop_conversions, tree_strip_sign_nop_conversions): New
18903         functions.
18905 2009-06-17  Michael Eager  <eager@eagercon.com>
18907         * config/rs6000/constraints.md (register_constraint "d"): New.
18908         * config/rs6000/dfp.md (movsd_store, extendsddd2, extendsdtd2,
18909         truncddsd2, *negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
18910         *movdd_hardfloat32, *movdd_hardfloat64_mfpgpr, *movdd_hardfloat64,
18911         *negtd2_fp, *abstd2_fpr, *nabstd2_fpr, *movtd_internal, extendddtd2,
18912         trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
18913         divtd3, *cmpdd_internal1, *cmptd_internal1, floatditd2, ftruncdd2,
18914         fixdddi2, ftrunctd2, fixtddi2): replace 'f' constraint with 'd'
18915         * config/rs6000/ppu_intrinsics.h (__mffs, __mtfsf, __mtfsfi, __fabs,
18916         __fnabs, __fmadd, __fmsub, __fnmadd, __fnmsub, __fsel, __frsqrte,
18917         __fsqrt, __fmul, __fmuls, __frsp, __fcfid, __fctid, __fctidz, __fctiw,
18918         __fctiwz): Same.
18919         * config/rs6000/rs6000.md (*extendsfdf2_fpr, *truncdfsf2_fpr,
18920         *fseldfsf4, *negdf2_fpr, *absdf2_fpr, *nabsdf2_fpr, *adddf3_fpr,
18921         *subdf3_fpr, *muldf3_fpr, *divdf3_fpr, recipdf3, fred, sqrtdf2,
18922         *fseldfdf4, *fselsfdf4, *floatsidf2_internal, *floatunssidf2_internal,
18923         *fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt,
18924         fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2, rounddf2,
18925         stfiwx, floatdidf2, fix_truncdfdi2, floatdisf2_internal1,
18926         *movdf_hardfloat32, *movdf_hardfloat64_mfpgpr, *movdf_hardfloat64,
18927         *movtf_internal, *extenddftf2_internal, trunctfdf2_internal1,
18928         trunctfdf2_internal2, trunctfsf2_fprs, fix_trunc_helper,
18929         *fix_trunctfsi2_internal, negtf2_internal, *movdi_internal32,
18930         *movdi_mfpgpr, *movdi_internal64, *movdf_update1, *movdf_update2,
18931         *cmpdf_internal1, *cmptf_internal1, *cmptf_internal2): Same.
18932         * doc/md.texi: Describe PowerPC 'd' constraint, update 'f' constraint.
18934 2009-06-16  Ian Lance Taylor  <iant@google.com>
18936         * profile.c (total_num_never_executed): Don't define.
18937         (compute_branch_probabilities): Don't count or print
18938         num_never_executed.
18939         (init_branch_prob): Don't set total_num_never_executed.
18940         (end_branch_prob): Don't print total_num_never_executed.
18942 2009-06-17  David Daney  <ddaney@caviumnetworks.com>
18944         * jump.c (cleanup_barriers): Handle case of no insns before a barrier.
18946 2009-06-17  David Edelsohn  <edelsohn@gnu.org>
18948         * config/rs6000/dfp.md (nabsdd2_fpr): Correct mode.
18949         (nabstd2_fpr): Same.
18951 2009-06-17  Steve Ellcey  <sje@cup.hp.com>
18953         * expr.c (expand_assignment): Change complex type check.
18955 2009-06-17  Basile Starynkevitch  <basile@starynkevitch.net>
18957         * doc/plugins.texi (Building GCC plugins): Added new section.
18959 2009-06-17  Ian Lance Taylor  <iant@google.com>
18961         * c-pch.c (get_ident): Don't set size of templ array.
18962         (pch_init): Don't set size of partial_pch array.
18964         * c-typeck.c (digest_init): If -Wc++-compat, warn about using a
18965         string constant to intialize an array whose size is the length of
18966         the string.
18968 2009-06-17  Richard Guenther  <rguenther@suse.de>
18970         PR tree-optimization/40389
18971         * tree-ssa-structalias.c (handle_rhs_call): Restrict NRV case
18972         to addressable types.
18973         * gimple.c (walk_stmt_load_store_addr_ops): Likewise.
18975 2009-06-17  Richard Guenther  <rguenther@suse.de>
18977         PR middle-end/40460
18978         * tree-chrec.h (build_polynomial_chrec): If we cannot determine
18979         if there is no evolution of left in the loop bail out.
18980         * tree-chrec.c (chrec_fold_multiply_poly_poly): CSE one
18981         chrec_fold_multiply.
18983 2009-06-16  J"orn Rennecke  <joern.rennecke@arc.com>
18984             Janis Johnson  <janis187@us.ibm.com>
18986         PR target/39254
18987         * config/rs6000/rs6000.c (rs6000_emit_move): Don't emit a USE
18988         for the symbol ref of a constant that is the source of a move
18989         - nor for any other not-obvious-label-ref constants.
18991 2009-06-16  Olatunji Ruwase  <tjruwase@google.com>
18993         * plugin.c (position_pass): Skip newly inserted pass during list
18994         traversal to avoid repeated insertion.
18996 2009-06-16  Ian Lance Taylor  <iant@google.com>
18998         * vec.h (VEC_stack_alloc): Define different version if
18999         GATHER_STATISTICS is defined, to accept and ignore MEM_STAT.
19000         (DEF_VEC_ALLOC_FUNC_P_STACK): Remove MEM_STAT_DECL.
19001         (DEF_VEC_ALLOC_FUNC_O_STACK): Likewise.
19002         (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
19004 2009-06-16  H.J. Lu  <hongjiu.lu@intel.com>
19006         * config.gcc (extra_headers): Add ia32intrin.h for x86.
19008         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_BSRSI,
19009         IX86_BUILTIN_BSRDI.  IX86_BUILTIN_RDPMC, IX86_BUILTIN_RDTSC.
19010         IX86_BUILTIN_RDTSCP.  IX86_BUILTIN_ROLQI, IX86_BUILTIN_ROLHI,
19011         IX86_BUILTIN_RORQI and IX86_BUILTIN_RORHI.
19012         (ix86_special_builtin_type): Add UINT64_FTYPE_VOID,
19013         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
19014         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
19015         (bdesc_special_args): Add __builtin_ia32_rdtsc and
19016         __builtin_ia32_rdtscp.
19017         (bdesc_args): Add __builtin_ia32_bsrsi, __builtin_ia32_bsrdi,
19018         __builtin_ia32_rolqi, __builtin_ia32_rolhi, __builtin_ia32_rorqi
19019         and __builtin_ia32_rorhi.
19020         (ix86_init_mmx_sse_builtins): Handle UINT64_FTYPE_VOID,
19021         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
19022         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
19023         (ix86_expand_args_builtin): Likewise.
19024         (ix86_expand_special_args_builtin): Likewise.
19026         * config/i386/i386.md (UNSPECV_RDTSCP): New.
19027         (UNSPECV_RDTSC): Likewise.
19028         (UNSPECV_RDPMC): Likewise.
19029         (*bsr): Renamed to ...
19030         (bsr): This
19031         (*bsr_rex64): Renamed to ...
19032         (bsr_rex64): This.
19033         (rdpmc): New.
19034         (*rdpmc): Likewise.
19035         (*rdpmc_rex64): Likewise.
19036         (rdtsc): Likewise.
19037         (*rdtsc): Likewise.
19038         (*rdtsc_rex64): Likewise.
19039         (rdtscp): Likewise.
19040         (*rdtscp): Likewise.
19041         (*rdtscp_rex64): Likewise.
19043         * config/i386/ia32intrin.h: New.
19045         * config/i386/x86intrin.h: Include <ia32intrin.h>.
19047 2009-06-16  Ian Lance Taylor  <iant@google.com>
19049         * ira-build.c (copy_info_to_removed_store_destinations):
19050         Initialize parent_a.
19052 2009-06-16  Ian Lance Taylor  <iant@google.com>
19054         * c-decl.c (grokdeclarator): Change size_varies to bool.
19056 2009-06-16  Ian Lance Taylor  <iant@google.com>
19058         * sel-sched.c: Make forward declarations of move_op_hooks and
19059         fur_hooks explicitly extern.
19061 2009-06-16  Ian Lance Taylor  <iant@google.com>
19063         * df-problems.c (df_byte_lr_alloc): Don't set problem_data to itself.
19064         * vec.c (vec_gc_o_reserve_1): Don't set alloc to itself.
19066 2009-06-16  Ian Lance Taylor  <iant@google.com>
19068         * resource.c (mark_referenced_resources): Change
19069         include_delayed_effects parameter to bool.  Change all callers.
19070         (mark_end_of_function_resources): Likewise.
19071         * reorg.c (insn_references_resource_p): Likewise.
19072         (insn_sets_resource_p): Likewise.
19073         * resource.h (mark_referenced_resources): Update declaration.
19074         (mark_end_of_function_resources): Update declaration.
19076 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
19078         * config/rs6000/aix.h (LIBSTDCXX_STATIC): Remove -lstdc++.
19080 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
19082         * doc/install.texi (*-*-aix): Update explanation of XLC bootstrap.
19083         GCC can bootstrap on AIX with GNU Binutils 2.20.
19085 2009-06-16  Ian Lance Taylor  <iant@google.com>
19087         * Makefile.in (tree-vect-stmts.o): Depend upon $(TOPLEV_H).
19089 2009-06-16  Ian Lance Taylor  <iant@google.com>
19091         * toplev.h (floor_log2): If GCC_VERSION >= 3004, declare as static
19092         inline, not extern inline.
19093         (exact_log2): Likewise.
19094         * toplev.c (floor_log2): Only define if GCC_VERSION < 3004. Don't
19095         test CLZ_HWI.
19096         (exact_log2): Likewise, but don't test CTZ_HWI.
19098 2009-06-16  Ian Lance Taylor  <iant@google.com>
19100         * bitmap.c (bitmap_clear): Don't declare as inline.
19101         * gimple.c (gimplify_assign): Likewise.
19102         * tree-ssa-sccvn.c (vn_nary_op_compute_hash): Likewise.
19103         * haifa-sched.c (insn_cost): Don't declare with HAIFA_INLINE.
19104         (sched_scan_info): Remove duplicate definition.
19106 2009-06-16  Ian Lance Taylor  <iant@google.com>
19108         * c-common.c (skip_evaluation): Don't define.
19109         (c_inhibit_evaluation_warnings): Define global variable.
19110         (overflow_warning): Check c_inhibit_evaluation_warnings rather
19111         than skip_evaluation.
19112         (convert_and_check, warn_for_div_by_zero): Likewise.
19113         * c-common.h (skip_evaluation): Don't declare.
19114         (c_inhibit_evaluation_warnings): Declare.
19115         * c-parser.c (c_parser_typeof_specifier): Set
19116         c_inhibit_evaluation_warnings rather than skip_evaluation.
19117         (c_parser_conditional_expression): Likewise.
19118         (c_parser_binary_expression): Likewise.
19119         (c_parser_sizeof_expression): Likewise.
19120         (c_parser_alignof_expression): Likewise.
19121         * c-typeck.c (build_indirect_ref): Check
19122         c_inhibit_evaluation_warnings rather than skip_evaluation.
19123         (build_conditional_expr, build_binary_op): Likewise.
19125 2009-06-16  Richard Guenther  <rguenther@suse.de>
19127         * tree-ssa-alias.c (is_escape_site): Remove.
19128         * tree-ssa-alias.h (enum escape_type): Remove.
19129         (is_escape_site): Likewise.
19130         * tree-ssa-structalias.c (find_func_aliases): Handle escapes
19131         via casts and asms without deferring to is_escape_site.
19133 2009-06-16  Jakub Jelinek  <jakub@redhat.com>
19135         PR middle-end/40446
19136         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: Don't
19137         use gen_lowpart if op0 has complex mode.
19139 2009-06-16  Richard Guenther  <rguenther@suse.de>
19141         * tree-ssa-structalias.c (do_ds_constraint): Stores in global
19142         variables add them to ESCAPED.
19143         (find_func_aliases): Do not make all indirectly stored values escaped.
19145 2009-06-16  Rafael Avila de Espindola  <espindola@google.com>
19147         * config/i386/winnt.c (i386_pe_encode_section_info): Update call to
19148         make_decl_one_only.
19150 2009-06-16  Martin Jambor  <mjambor@suse.cz>
19152         PR tree-optimization/40432
19153         * tree-sra.c (sra_modify_assign): When creating VIEW_CONVERT_EXPR,
19154         check whether we need to force gimple register operand.
19156 2009-06-16  Martin Jambor  <mjambor@suse.cz>
19158         PR tree-optimization/40413
19159         * tree-sra.c (load_assign_lhs_subreplacements): Pass offset to
19160         build_ref_for_offset.
19161         (propagate_subacesses_accross_link): Fix a typo in a comment.
19163 2009-06-16  Ira Rosen  <irar@il.ibm.com>
19165         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
19166         with additional parameter.
19167         * tree-vectorizer.h (enum vect_def_type): Add new value
19168         vect_nested_cycle.
19169         (enum vect_relevant): Add comments.
19170         (vect_is_simple_reduction): Add new argument.
19171         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Add comments.
19172         Detect nested cycles.
19173         (vect_is_simple_reduction): Update documentation, add an argument to
19174         distinguish inner-loop reduction from nested cycle, detect nested
19175         cycles, fix printings and indentation, don't swap operands in case
19176         of nested cycle.
19177         (get_initial_def_for_reduction): Handle subtraction.
19178         (vect_create_epilog_for_reduction): Add new argument to specify
19179         reduction variable.
19180         (vect_finalize_reduction): Handle subtraction, fix comments.
19181         (vectorizable_reduction): Handle nested cycles. In case of nested
19182         cycle keep track of the reduction variable position. Call
19183         vect_is_simple_reduction with additional parameter. Use original
19184         statement code in reduction epilogue for nested cycle. Call
19185         vect_create_epilog_for_reduction with additional parameter.
19186         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Assert
19187         inner-loop vectorization.
19188         (vect_recog_widen_sum_pattern): Likewise.
19189         * tree-vect-stmts.c (process_use): Distinguish between nested cycles
19190         and reductions.
19191         (vect_mark_stmts_to_be_vectorized): Likewise.
19192         (vect_get_vec_def_for_operand): Handle nested cycles.
19194 2009-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19196         * doc/invoke.texi (Debugging Options): Fix option index entries
19197         for -fdump-statistics, -frandom-seed add entries for
19198         -fdump-tree-original, -fdump-tree-optimized, -frandom-seed.
19199         (FRV Options): Fix entries for -mTLS, -mtls.
19200         (HPPA Options): Fix entries for -mgnu-ld, -mhp-ld.
19201         (i386 and x86-64 Options): Fix entry for -mno-red-zone.
19202         (M68hc1x Options): Fix @itemx for -mnominmax.
19203         (MCore Options): Fix entry for -mno-lsim.
19204         (MMIX Options): Fix entry for -mabi=mmixware.
19205         (PDP-11 Options): Fix entry for -mbcopy-builtin.
19207 2009-06-16  Basile Starynkevitch  <basile@starynkevitch.net>
19209         * doc/plugins.texi (Interacting with the GCC Garbage Collector):
19210         Mention the plugin mode of gengtype.
19211         * doc/gty.texi (Source Files Containing Type Information): Likewise.
19212         * gengtype.c: Updated copyright.
19213         (plugin_files, nb_plugin_files) Added new static variables.
19214         (measure_input_list) Care about plugin_files.
19215         (write_rtx_next): Added early return in plugin mode.
19216         (create_file): Updated copyright year in generated file. Added
19217         asserts.
19218         (oprintf): Added early return if NULL outf.
19219         (get_output_file_with_visibility): Care of plugin_files.
19220         (get_output_file_name): May return null.
19221         (write_local): Added early return.
19222         (put_mangled_filename): Ditto.
19223         (finish_root_table): Added check for base_files.
19224         (write_roots): Care about null when plugins.
19225         (main): Added plugin mode.
19227 2009-06-15  Ian Lance Taylor  <iant@google.com>
19229         * df-problems.c (df_simulate_one_insn_forwards): Fix braces in switch.
19230         * gcov.c (read_count_file): Add braces around variables declared
19231         before label.
19233         * c.opt (Wjump-misses-init): New warning.
19234         * c-opts.c (c_common_handle_option): Set warn_jump_misses_init for
19235         -Wall and -Wc++-compat if not already set.
19236         (c_common_post_options): Clear warn_jump_misses_init if it was not
19237         set.
19238         * c-decl.c (struct c_binding): Change type field to a union with
19239         new label field.  Make it the first field in the struct.  Update
19240         references to type to use u.type instead.
19241         (struct c_spot_bindings): Define.
19242         (struct c_goto_bindings): Define.
19243         (c_goto_bindings_p): Define, along with VECs.
19244         (struct c_label_vars): Define.
19245         (struct c_scope): Add has_label_bindings field.
19246         (bind_label, set_spot_bindings): New static functions.
19247         (decl_jump_unsafe, update_spot_bindings): New static functions.
19248         (update_label_decls): New static function.
19249         (pop_scope): Call update_label_decls.  Don't call c_end_vm_scope.
19250         Update binding u.label field to shadowed field.
19251         (c_binding_start_stmt_expr): New function.
19252         (c_binding_end_stmt_expr): New function.
19253         (pushdecl): Don't call c_begin_vm_scope.
19254         (make_label): Add defining and p_label_vars parameters.  Change
19255         all callers.
19256         (lookup_label): Correct test for whether a label has not yet been
19257         defined.  Call bind_label rather than bind.
19258         (warn_about_goto): New static function.
19259         (lookup_label_for_goto): New function.
19260         (declare_label): Call bind_label rather than bind.
19261         (check_earlier_gotos): New static function.
19262         (define_label): Don't give errors about jumping into statement
19263         expressions or scopes of variably modified types.  Call
19264         set_spot_bindings and check_earlier_gotos.  Call bind_label
19265         instead of bind.  Don't set label_context_stack_se or
19266         label_context_stack_vm.
19267         (c_get_switch_bindings): New function.
19268         (c_release_switch_bindings): New function.
19269         (c_check_switch_jump_warnings): New function.
19270         (start_function): Don't set label_context_stack_se or
19271         label_context_stack_vm.
19272         (finish_function): Likewise.
19273         * c-typeck.c (label_context_stack_se): Don't define.
19274         (label_context_stack_vm): Don't define.
19275         (c_finish_goto_label): Call lookup_label_for_goto rather than
19276         lookup_label.  Don't give errors about jumping into a statement
19277         expression or the scope of a variably modified type.  Don't set
19278         label_context_stack_se or label_context_stack_vm.
19279         (struct c_switch): Remove blocked_stmt_expr and blocked_vm
19280         fields.  Add bindings field.
19281         (c_start_case): Don't set deleted fields.  Set bindings field.
19282         (do_case): Rework order of tests.  Don't check blocked_stmt_expr
19283         or blocked_vm.  Call c_check_switch_jump_warnings.
19284         (c_finish_case): Don't test blocked_stmt_expr field.  Call
19285         c_release_switch_bindings.
19286         (c_begin_stmt_expr): Don't increment blocked_stmt_expr in
19287         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
19288         set label_context_stack_se.  Call c_bindings_start_stmt_expr.
19289         (c_finish_stmt_expr): Don't decrement blocked_stmt_expr in
19290         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
19291         set label_context_stack_se.  Call c_bindings_end_stmt_expr.
19292         (c_begin_vm_scope, c_end_vm_scope): Don't define.
19293         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR): Don't define.
19294         (C_DECL_UNDEFINABLE_STMT_EXPR): Don't define.
19295         (C_DECL_UNJUMPABLE_VM): Don't define.
19296         (C_DECL_UNDEFINABLE_VM): Don't define.
19297         (struct c_label_list): Don't define.
19298         (struct c_label_context_se): Don't define.
19299         (struct c_label_context_vm): Don't define.
19300         (struct c_spot_bindings): Declare.
19301         (c_bindings_start_stmt_expr): Declare.
19302         (c_bindings_end_stmt_expr): Declare.
19303         (lookup_label_for_goto): Declare.
19304         (c_get_switch_bindings, c_release_switch_bindings): Declare.
19305         (c_check_switch_jump_warnings): Declare.
19306         (label_context_stack_se, label_context_stack_vm): Don't declare.
19307         (c_finish_goto_label): Update declaration.
19308         (c_begin_vm_scope, c_end_vm_scope): Don't declare.
19309         * doc/invoke.texi (Option Summary): Mention -Wjump-misses-init.
19310         (Warning Options): Document -Wjump-misses-init.
19312 2009-06-15  Jakub Jelinek  <jakub@redhat.com>
19314         * tree-object-size.c (addr_object_size): Fix a pasto in the last
19315         change.
19317 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
19319         * cgraph.c (cgraph_make_node_local): Use DECL_COMDAT_GROUP.
19321 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
19323         * except.c (init_eh): Use BUILTINS_LOCATION when calling build_decl.
19325 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
19327         * tree-eh.c (lower_try_finally_switch): Initialize tf_loc.
19329 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
19331         * cgraphunit.c (cgraph_function_versioning,save_inline_function_body):
19332         Use DECL_COMDAT_GROUP instead of DECL_ONE_ONLY.
19333         * cgraph.c (cgraph_create_virtual_clone): Use DECL_COMDAT_GROUP.
19334         * config/i386/i386.c (ix86_file_end): Compute DECL_COMDAT_GROUP.
19335         * dwarf2asm.c (dw2_force_const_mem): Update call to
19336         make_decl_one_only.
19337         * langhooks-def.h (lhd_comdat_group, LANG_HOOKS_COMDAT_GROUP): Remove.
19338         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_COMDAT_GROUP.
19339         * langhooks.c (lhd_comdat_group): Remove.
19340         * langhooks.h (lang_hooks_for_decls): Remove comdat_group.
19341         * tree.h (DECL_COMDAT_GROUP): New.
19342         (DECL_ONE_ONLY): Use DECL_COMDAT_GROUP.
19343         (tree_decl_with_vis): Add comdat_group. Remove one_only.
19344         (make_decl_one_only): Change signature.
19345         * varasm.c (get_emutls_init_templ_addr, emutls_decl): Update call to
19346         make_decl_one_only.
19347         (make_decl_one_only): Change signature.
19348         (default_elf_asm_named_section): Use DECL_COMDAT_GROUP.
19350 2009-06-15  Richard Guenther  <rguenther@suse.de>
19352         PR middle-end/40439
19353         * tree.c (widest_int_cst_value): Fix bootstrap on 32bit HWI hosts.
19355 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
19357         * tree-ssa-math-opts.c: Remove extra divide.
19359 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
19361         * config/s390/s390.md ("bswap<mode>2"): Only available on z900.
19363 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
19365         * passes.c: Add bswap pass.
19366         * tree-pass.h: Add pass_optimize_bswap declaration.
19367         * tree-ssa-math-opts.c: Include diagnostics.h for print_gimple_stmt.
19368         Include rtl.h, expr.h and optabs.h for optab_handler check.
19369         (struct symbolic_number, pass_optimize_bswap): New definition.
19370         (do_shift_rotate, verify_symbolic_number_p): New functions.
19371         (find_bswap_1, find_bswap, execute_optimize_bswap): New functions.
19372         (gate_optimize_bswap): New function.
19373         * tree.c (widest_int_cst_value): New function.
19374         * tree.h (widest_int_cst_value): Prototype added.
19376 2009-06-14  Steven Bosscher  <steven@gcc.gnu.org>
19378         * cfgcleanup.c (old_insns_match_p): Remove code to substitute
19379         REG_EQUAL/REG_EQUIV notes.
19381 2009-06-14  Richard Guenther  <rguenther@suse.de>
19383         PR middle-end/40389
19384         * gimple.c (walk_stmt_load_store_addr_ops): The LHS of a call
19385         has its address taken if NRV was applied and it is addressable.
19386         * tree-ssa-structalias.c (get_constraint_for_address_of): New
19387         function split out from ...
19388         (get_constraint_for_1): ... here.
19389         (handle_rhs_call): Use it to mark the return slot escaped if
19390         it is addressable and NRV was applied.
19392 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
19394         * config/rs6000/rs6000-protos.h (altivec_resolve_overloaded_builtin):
19395         Change first argument type to location_t.
19396         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Same.
19397         Do not set input_location.
19398         Use loc instead of input_location throughout.
19400 2009-06-13  Richard Guenther  <rguenther@suse.de>
19402         PR tree-optimization/40421
19403         * tree-predcom.c (should_unroll_loop_p): Remove.
19404         (tree_predictive_commoning_loop): Use can_unroll_loop_p.
19406 2009-06-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
19408         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
19409         Add location argument.
19411 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
19413         * config/alpha/alpha.c (alpha_build_builtin_va_list): Pass location to
19414         build_decl.
19415         * config/s390/s390.c (s390_build_builtin_va_list): Same.
19416         (s390_gimplify_va_arg): Pass location to create_artificial_label.
19417         * config/spu/spu-protos.h: Add location to
19418         spu_resolve_overloaded_builtin.
19419         * config/spu/spu.c (spu_build_builtin_va_list): Pass location to
19420         spu_build_builtin_va_list.
19421         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Add location
19422         argument.  Pass location to build_function_call_vec.
19423         * config/sh/sh.c (sh_build_builtin_va_list): Pass location to
19424         build_decl.
19425         (emit_fpu_switch): Same.
19426         (sh_gimplify_va_arg_expr): Pass location to create_artificial_label.
19427         * config/xtensa/xtensa.c (xtensa_build_builtin_va_list): Pass location
19428         to build_decl and create_artificial_label.
19429         (xtensa_gimplify_va_arg_expr): Same.
19430         * config/stormy16/stormy16.c (xstormy16_build_builtin_va_list): Same.
19431         (xstormy16_gimplify_va_arg_expr): Same.
19432         * config/iq2000/iq2000.c (iq2000_expand_prologue): Same.
19433         * config/arm/arm.c (arm_build_builtin_va_list): Same.
19434         * config/mips/mips.c (mips_build_builtin_va_list): Same.
19435         (mips16_build_function_stub): Same.
19436         (mips16_build_call_stub): Same.
19438 2009-06-13  Richard Earnshaw  <rearnsha@arm.com>
19440         PR target/40327
19441         * arm/constraints.md (Pa, Pb): New constraints.
19442         * arm/arm.md (thumb1_addsi3): Support more complex additions.  Add a
19443         split pattern to deal with them.
19445 2009-06-13  Joerg Sonnenberger  <joerg@britannica.bec.de>
19447         * doc/invoke.texi: Add missing option -Wp,OPTION in list,
19448         fix index entry for -Xpreprocessor.
19450 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
19452         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
19453         Add location argument to build_decl call.
19454         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Same.
19455         (rs6000_init_builtins): Same.
19456         (spe_init_builtins): Same.
19457         (rs6000_gimplify_va_arg): Add location argument to
19458         create_artificial_label call.
19460 2009-06-12  Steven Bosscher  <steven@gcc.gnu.org>
19462         * timevar.def (TV_COMBINE_STACK_ADJUST): New timevar.
19463         * combine-stack-adj.c (pass_stack_adjustments): Use it.
19464         * Makefile.in: Fix GGC dependency for gcse.o.
19466 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
19468         * tree-pretty-print.c (dump_generic_node): Dump column numbers.
19469         * gimple-pretty-print.c (dump_gimple_stmt): Same.
19470         * gimplify.c (gimplify_modify_expr): Set location for GIMPLE_ASSIGNs
19471         created.
19472         * c-parser.c (c_parser_binary_expression): Use current column while
19473         building binary operations.
19474         * common.opt (fshow-column): Enable by default.
19475         * tree-vrp.c (check_array_ref): Use warning_at.
19476         (check_array_bounds): Use location from call back if expr has no
19477         location.
19478         * tree.h: Add location argument to maybe_fold_*.
19479         * tree-ssa-ccp.c (ccp_fold): Pass location to maybe_fold_*.
19480         (maybe_fold_offset_to_array_ref): Add location argument and use it.
19481         (maybe_fold_offset_to_component_ref): Same.
19482         (maybe_fold_offset_to_reference): Same.
19483         (maybe_fold_offset_to_address): Same.
19484         (maybe_fold_stmt_indirect): Same.
19485         (maybe_fold_stmt_addition): Same.
19486         (fold_stmt_r): Pass location to maybe_fold_*.
19487         (fold_gimple_assign): Same.
19488         * c-tree.h: Add location argument to finish_decl,
19489         default_function_array_conversion, store_init_value.
19490         * c-decl.c (define_label): Use error_at.
19491         (c_make_fname_decl): Pass location to finish_decl.
19492         (finish_decl): New location argument.
19493         (build_compound_literal): Pass location to store_init_value.
19494         (grokdeclarator): Pass location to finish_decl.
19495         (grokfield): Same.
19496         * c-typeck.c (array_to_pointer_conversion): New location argument.
19497         (function_to_pointer_conversion): Same.
19498         (default_function_array_conversion): Same.
19499         (parser_build_unary_op): Pass location to overflow_warning.
19500         (parser_build_binary_op): Same.  Use warning_at.
19501         (build_unary_op): Pass location to array_to_pointer_conversion.
19502         (build_c_cast): Pass location to digest_init.
19503         (build_modify_expr): New location argument.
19504         (convert_for_assignment): Same.
19505         (store_init_value): Same.
19506         (digest_init): Same.
19507         (output_init_element): Pass location to digest_init and
19508         array_to_pointer_conversion.
19509         (c_finish_return): Pass location to convert_for_assignment.
19510         * gimplify.c (gimplify_conversion): Pass location to
19511         maybe_fold_offset_to_address.
19512         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Pass location
19513         to maybe_fold_stmt_addition.
19514         * c-omp.c (c_finish_omp_atomic): Pass new location to
19515         build_modify_expr.
19516         (c_finish_omp_for): Same.
19517         * c-common.c (overflow_warning): New argument.
19518         * c-common.h: New argument to build_modify_expr, overflow_warning.
19519         * c-parser.c (c_parser_declaration_or_fndef): Pass location to
19520         finish_decl.
19521         (c_parser_initializer): Pass location to
19522         default_function_array_conversion.
19523         (c_parser_initelt): Same.
19524         (c_parser_initval): Same.
19525         (c_parser_asm_operands): Same.
19526         (c_parser_expr_no_commas): Same.  Pass location to build_modify_expr.
19527         (c_parser_conditional_expression): Same.
19528         (c_parser_binary_expression): Add location info to stack.  Use it.
19529         (c_parser_unary_expression): Pass location to
19530         default_function_array_conversion, parser_build_unary_op,
19531         build_indirect_ref, c_parser_postfix_expression_after_primary.
19532         (c_parser_postfix_expression_after_primary): New location argument.
19533         Use it.
19534         (c_parser_expression_conv): Pass location to
19535         default_function_array_conversion.
19536         (c_parser_expr_list): Same.
19537         (c_parser_omp_atomic): Same.
19538         (c_parser_omp_for_loop): Same.
19539         * c-tree.h (struct c_declarator): Add comment to id_loc.
19540         (build_array_declarator): New argument.
19541         * c-decl.c (build_array_declarator): Add location argument.
19542         (grokdeclarator): Set id_loc for cdk_array.
19543         * c-parser.c (c_parser_direct_declarator_inner): Pass location to
19544         build_array_declarator.
19545         * tree.c (build_omp_clause): Add location argument.
19546         * tree.h (OMP_CLAUSE_HAS_LOCATION): New macro.
19547         (OMP_CLAUSE_LOCATION): New macro.
19548         (struct tree_omp_clause): Add location field.
19549         (build_omp_clause): Add argument.
19550         * cp/pt.c (tsubst_omp_for_iterator): Pass location to
19551         build_omp_clause.
19552         * cp/parser.c (cp_parser_omp_var_list_no_open): Same.
19553         (cp_parser_omp_clause_collapse): Same.
19554         (cp_parser_omp_clause_default): Same.
19555         (cp_parser_omp_clause_if): Same.
19556         (cp_parser_omp_clause_nowait): Same.
19557         (cp_parser_omp_clause_num_threads): Same.
19558         (cp_parser_omp_clause_ordered): Same.
19559         (cp_parser_omp_clause_schedule): Same.
19560         (cp_parser_omp_clause_untied): Same.
19561         (cp_parser_omp_for_loop): Same.
19562         (cp_parser_omp_parallel): Pass location to c_split_parallel_clauses.
19563         * c-tree.h (c_start_case): Add location argument.
19564         (c_process_expr_stmt): Same.
19565         (c_finish_goto_*): Same.
19566         * tree-parloops.c (initialize_reductions): Pass location to
19567         build_omp_clause.
19568         (create_parallel_loop): Same.
19569         * fortran/trans-openmp.c (gfc_trans_omp_variable_list): Same.
19570         (gfc_trans_omp_reduction_list): Same.
19571         (gfc_trans_omp_clauses): Same.
19572         (gfc_trans_omp_do): Same.
19573         * c-typeck.c (c_finish_goto_label): Same.
19574         (c_finish_goto_ptr): New location argument.
19575         (c_start_case): Same.
19576         (emit_side_effect_warnings): Same.
19577         (c_process_expr_stmt): Same.
19578         (c_finish_stmt_expr): Same.
19579         (c_finish_omp_clauses): Use error_at instead of error.
19580         * gimplify.c (gimplify_adjust_omp_clauses_1): Pass location to
19581         build_omp_clause.
19582         * c-omp.c (c_split_parallel_clauses): New location argument.
19583         * tree-nested.c (convert_nonlocal_reference_stmt): Pass location
19584         to build_omp_clause.
19585         (convert_local_reference_stmt): Same.
19586         (convert_gimple_call): Same.
19587         * c-common.h (c_split_parallel_clauses): New argument.
19588         * c-parser.c (c_parser_statement_after_labels): Pass location to
19589         c_finish_goto_label.
19590         (c_parser_switch_statement): Pass location to c_start_case.
19591         (c_parser_for_statement): Pass location to c_finish_expr_stmt,
19592         and c_process_expr_stmt.
19593         (c_parser_omp_variable_list): Add location argument.
19594         (c_parser_omp_clause_collapse): Pass location to build_omp_clause.
19595         (c_parser_omp_clause_default): Same.
19596         (c_parser_omp_clause_if): Same.
19597         (c_parser_omp_clause_num_threads): Same.
19598         (-c_parser_omp_clause_ordered): Same.
19599         (c_parser_omp_clause_reduction): Pass location to
19600         c_parser_omp_variable_list.
19601         (c_parser_omp_clause_schedule): Pass location to build_omp_clause.
19602         (c_parser_omp_clause_untied): Same.
19603         (c_parser_omp_for_loop): Pass location to c_process_expr_stmt.
19604         (c_parser_omp_parallel): Pass location to c_split_parallel_clauses.
19606         * c-tree.h (check_for_loop_decls, undeclared_variable,
19607         build_component_ref, build_array_ref, build_external_ref,
19608         c_expr_sizeof_expr, c_expr_sizeof_type, parser_build_unary_op,
19609         build_conditional_expr, build_compound_expr, c_cast_expr,
19610         build_c_cast, build_asm_expr, c_end_compound_stmt, c_finish_stmt_expr,
19611         c_finish_return, c_finish_omp_parallel, c_finish_omp_task): New
19612         argument.
19613         * c-semantics.c (build_stmt): Same.
19614         (build_case_label): Same.
19615         * c-decl.c (c_finish_incomplete_decl): Pass location on down.
19616         (undeclared_variable): New argument.
19617         (make_label): Same.
19618         (lookup_label): Pass location on down.
19619         (define_label): Same.
19620         (finish_decl): Same.
19621         (build_compound_literal): Same.
19622         (finish_struct): Same.
19623         (finish_function): Do not set location here.
19624         (check_for_loop_decls): New argument.
19625         * tree.c (save_expr): Set location.
19626         (build_empty_stmt): New argument.
19627         * tree.h (build_empty_stmt): New argument to build_empty_stmt.
19628         (CAN_HAVE_LOCATION_P): Make sure we have a non empty node.
19629         * builtins.c (gimplify_va_arg_expr): Use locations.
19630         (expand_builtin_sync_operation): Same.
19631         * c-typeck.c (build_component_ref): New argument.
19632         (build_array_ref): Same.
19633         (build_external_ref): Same.
19634         (c_expr_sizeof_expr): Same.
19635         (c_expr_sizeof_type): Same.
19636         (parser_build_unary_op): Same.
19637         (build_conditional_expr): Same.
19638         (build_compound_expr): Pass location on down.
19639         (build_compound_expr): New argument.
19640         (build_c_cast): Same.
19641         (c_cast_expr): Same.
19642         (build_asm_expr): Same.
19643         (c_finish_return): Same.
19644         (c_process_expr_stmt): Pass location on down.
19645         (c_finish_stmt_expr): New argument.
19646         (push_clenaup): Same.
19647         (c_finish_omp_parallel): Same.
19648         (c_finish_omp_task): Same.
19649         * gimplify.c (gimplify_call_expr): Pass location on down.
19650         * c-omp.c (c_finish_omp_master): New argument.
19651         (c_finish_omp_critical): Same.
19652         (c_finish_omp_ordered): Same.
19653         (c_finish_omp_barrier): Same.
19654         (-c_finish_omp_taskwait): Same.
19655         (c_finish_omp_atomic): Same.
19656         (c_finish_omp_flush): Same.
19657         * tree-inline.c (copy_tree_body_r): Pass location on down.
19658         (inline_forbidden_p): Remove use of input_location.
19659         * c-gimplify.c (c_build_bind_expr): New argument.
19660         * c-common.c (c_common_truthvalue_conversion): Pass location on down.
19661         (c_sizeof_or_alignof_type): New argument.
19662         (c_alignof_expr): Same.
19663         (build_va_arg): Same.
19664         (c_add_case_label): Same.
19665         * c-common.h (c_sizeof_or_alignof_type, c_alignof_expr,
19666         c_sizeof, c_alignof, build_va_arg, build_stmt, build_case_label,
19667         c_build_bind_expr, objc_build_selector_expr, objc_build_throw_stmt,
19668         c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered,
19669         c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush,
19670         c_finish_omp_taskwait, c_finish_omp_for, c_split_parallel_clauses):
19671         New argument.
19672         * stub-objc.c (objc_build_selector_expr): Same.
19673         (objc_build_throw_stmt): Same.
19674         * c-parser.c (c_parser_declaration_or_fndef): Pass location on down.
19675         (c_parser_initelt): Same.
19676         (c_parser_compound_statement): Same.
19677         (c_parser_compound_statement_nostart): Same.
19678         (c_parser_label): Same.
19679         (c_parser_statement_after_labels): Same.
19680         (c_parser_if_body): Same.
19681         (c_parser_else_body): Same.
19682         (c_parser_if_statement): Same.
19683         (c_parser_switch_statement): Same.
19684         (c_parser_while_statement): Same.
19685         (c_parser_do_statement): Same.
19686         (c_parser_for_statement): Same.
19687         (c_parser_asm_statement): Same.
19688         (c_parser_conditional_expression): Same.
19689         (c_parser_binary_expression): Same.
19690         (c_parser_cast_expression): Same.
19691         (c_parser_unary_expression): Same.
19692         (c_parser_sizeof_expression): Same.
19693         (c_parser_alignof_expression): Same.
19694         (c_parser_postfix_expression): Same.
19695         (c_parser_expression): Same.
19696         (c_parser_objc_receiver): Same.
19697         (c_parser_omp_variable_list): Same.
19698         (c_parser_omp_structured_block): Same.
19699         (c_parser_omp_atomic): New argument.
19700         (c_parser_omp_barrier): Same.
19701         (c_parser_omp_critical): Same.
19702         (c_parser_omp_flush): Pass location on down.
19703         (c_parser_omp_for_loop): New argument.
19704         (c_parser_omp_for): Same.
19705         (c_parser_omp_master): Same.
19706         (c_parser_omp_ordered): Same.
19707         (c_parser_omp_sections_scope): Same.
19708         (c_parser_omp_sections): Same.
19709         (c_parser_omp_parallel): Same.
19710         (c_parser_omp_single): Same.
19711         (c_parser_omp_task): Same.
19712         (c_parser_omp_taskwait): Pass location on down.
19713         (c_parser_omp_construct): Same.
19714         (c_parser_omp_threadprivate): Same.
19715         * dwarf2asm.c, targhooks.c, optabs.c, tree.c, tree.h, target.h,
19716         builtins.c, omp-low.c, cgraphunit.c, tree-call-cdce.c,
19717         tree-ssa-alias.c, gimple-low.c, c-tree.h, expr.c, tree-parloops.c,
19718         c-decl.c, tree-eh.c, langhooks.c, function.c, stor-layout.c,
19719         c-typeck.c, gimplify.c, c-pragma.c, expmed.c, except.c, coverage.c,
19720         emit-rtl.c, cfgexpand.c, tree-mudflap.c, varasm.c, tree-nested.c,
19721         rtl.h, tree-inline.c, tree-profile.c, c-common.c, c-common.h,
19722         tree-switch-conversion.c, tree-cfg.c, ipa-struct-reorg.c, c-parser.c,
19723         config/i386/i386.c, stmt.c:
19724         Add location argument to the following function definitions and/or
19725         function calls: build_decl, objcp_start_struct, objcp_finish_struct,
19726         start_struct, finish_struct, PUSH_FIELD, create_artificial_label,
19727         cp_make_fname_decl, pushtag, implicitly_declare, c_make_fname_decl,
19728         build_compound_literal, parser_xref_tag, resolve_overloaded_builtin,
19729         do_case, c_finish_bc_stmt, build_compound_literal,
19730         build_function_call.
19731         * c-decl.c (build_compound_literal): Add location argument.
19732         Make all diagnostic calls use location.
19733         (start_struct): Same.
19734         (finish_struct): Same.
19735         (start_enum): Same.
19736         (build_enumerator): Same.
19737         (start_function): Same.
19738         (grokdeclarator): Make all diagnostic calls use location.
19739         (store_parm_decls_oldstyle): Same.
19740         * c-typeck.c (build_function_call): Add location argument.
19741         Make all diagnostic calls use location.
19742         (do_case): Same.
19743         (c_finish_bc_stmt): Same.
19744         * tree-nested.c (get_trampoline_type): Add argument.
19745         Pass location to build_decl.
19746         (lookup_tramp_for_decl): Pass location to get_trampoline_type.
19747         * rtl.h (RTL_LOCATION): New.
19748         * c-common.c (c_add_case_label): Add location argument.
19749         Make all diagnostic calls use location.
19750         * c-common.h: Add location argument to make_fname_decl, do_case,
19751         c_add_case_label, build_function_call, resolve_overloaded_builtin.
19752         * c-parser.c (c_parser_enum_specifier): Rename ident_loc to enum_loc.
19753         Set it appropriately for every case.  Pass enum_loc to start_enum
19754         call.  Pass value_loc first to build_enumerator.  Pass enum_loc to
19755         parser_xref_tag.
19756         (c_parser_struct_or_union_specifier): Save location.  Use it for
19757         start_struct, finish_struct, and parser_xref_tag.
19759 2009-06-12  Ian Lance Taylor  <iant@google.com>
19761         * fold-const.c (fold_unary): Rename local variable and to and_expr.
19763         * c-opts.c (c_common_handle_option): For -Wc++-compat set
19764         cpp_opts->warn_cxx_operator_names.
19766 2009-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
19768         PR tree-opt/38865
19769         * tree-ssa-sccvn.c (visit_reference_op_load): If vn_reference_lookup
19770         is returns NULL and OP is a VCE, look through the VCE.
19772 2009-06-12  Ian Lance Taylor  <iant@google.com>
19774         PR bootstrap/40430
19775         * collect2.c (main): Use CONST_CAST2 in code inside #if
19776         LINK_ELIMINATE_DUPLICATE_LDIRECTORIES.
19778 2009-06-12  Joey Ye  <joey.ye@intel.com>
19780         PR middle-end/39146
19781         * cfgexpand.c (get_decl_align_unit): Update
19782         max_used_stack_slot_alignment with align instead of
19783         stack_alignment_needed.
19785         * function.c (assign_stack_local_1): Update
19786         max_used_stack_slot_alignment with alignment_in_bits instead
19787         of stack_alignment_needed.
19788         (locate_and_pad_parm): Don't update max_used_stack_slot_alignment
19789         here.
19791 2009-06-12  Jakub Jelinek  <jakub@redhat.com>
19793         * dwarf2out.c (last_var_location_insn): New variable.
19794         (dwarf2out_end_epilogue): Clear last_var_location_insn.
19795         (dwarf2out_var_location): Don't record anything after last real
19796         insn.  Only change labels if there were any real instructions
19797         in between last note and this one, or if changed sections.
19799 2009-06-11  Richard Henderson  <rth@redhat.com>
19801         * alpha.c (alpha_expand_prologue): Add a REF_CFA_REGISTER
19802         note when storing the frame pointer in a register.
19803         (FRP): Don't redefine to nothing for epilogue.
19804         (alpha_expand_epilogue): Mark register and sp restores.
19805         (unicosmk_gen_dsib): Don't mark weird frame pointer adjust.
19807         * config/alpha/alpha.c (alpha_emit_setcc): Fix test for
19808         when gen_lowpart is needed.
19810 2009-06-11  Richard Henderson  <rth@redhat.com>
19812         * dwarf2out.c (def_cfa_1): Likewise for DW_CFA_cfa_offset.
19814         * dwarf2out.c (need_data_align_sf_opcode): New.
19815         (div_data_align): Move earlier.
19816         (def_cfa_1, reg_save): Use it.
19818 2009-06-11  H.J. Lu  <hongjiu.lu@intel.com>
19820         * config/i386/i386.c (OPTION_MASK_ISA_CRC32_SET): New.
19821         (OPTION_MASK_ISA_CRC32_UNSET): Likewise.
19822         (ix86_handle_option): Handle OPT_mcrc32.
19823         (ix86_target_string): Add -mcrc32.
19824         (bdesc_args): Enable crc32 builtins with OPTION_MASK_ISA_CRC32.
19826         * config/i386/i386.h (TARGET_CRC32): New.
19828         * config/i386/i386.md (sse4_2_crc32<mode>): Also check TARGET_CRC32.
19829         (sse4_2_crc32di): Likewise.
19831         * config/i386/i386.opt (mcrc32): New.
19833         * doc/invoke.texi: Document -mcrc32.
19835 2009-06-11  Richard Henderson  <rth@redhat.com>
19837         * common.opt (gdwarf-): Accept a version number.
19838         * doc/invoke.texi (gdwarf-): Update docs.
19839         * opth-gen.awk: Special case -gdwarf+ to OPT_gdwarfplus.
19840         * opts.c (common_handle_option) [OPT_gdwarf_]: Verify dwarf
19841         version level, and record it.
19843         * dwarf2.h (DW_CIE_VERSION): Remove.
19844         * dwarf2out.c (DWARF_VERSION): Remove.
19845         (add_fde_cfi): Skip DW_CFA_set_loc addition for dwarf3.
19846         (output_call_frame_info): Use CIE version 3 for dwarf3,
19847         or if the return register column is out of range for version 1.
19848         (dwarf_stack_op_name): Add all dwarf3 values.
19849         (DEBUG_PUBTYPES_SECTION): New.
19850         (size_of_die) [dw_val_class_die_ref]: Handle DW_FORM_ref_addr
19851         encoding change for dwarf3.
19852         (output_die) [dw_val_class_die_ref]: Likewise.
19853         (output_compilation_unit_header): Emit correct version for dwarf3.
19854         (output_line_info): Likewise.
19855         (output_pubnames): Update for DWARF_VERSION removal.
19856         (output_aranges): Likewise.
19857         (gen_subprogram_die): Emit DW_OP_call_frame_cfa if emitting dwarf3.
19858         (dwarf2out_init): Don't ifdef DEBUG_PUBTYPES_SECTION.
19859         (dwarf2out_finish): Likewise.
19861 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
19863         * system.h (gcc_assert, gcc_unreachable): Revert accidental commit
19864         in r148403.
19866 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
19868         PR c/39252
19869         * doc/extend.texi ( __builtin_unreachable): Document new builtin.
19870         * builtins.c (expand_builtin_unreachable): New function.
19871         (expand_builtin): Handle BUILT_IN_UNREACHABLE case.
19872         * builtins.def (BUILT_IN_UNREACHABLE): Add new builtin.
19873         * cfgcleanup.c (try_optimize_cfg): Delete empty blocks with no
19874         successors.
19875         * cfgrtl.c (rtl_verify_flow_info): Handle empty blocks when
19876         searching for missing barriers.
19878 2009-06-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
19880         * config/darwin.h (LINK_COMMAND_SPEC): Adjust spec to link libcov
19881         when -fprofile-generate* was passed.
19882         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
19884 2009-06-11  Anthony Green  <green@moxielogic.com>
19886         * config/moxie/moxie.md: Define length attribute for all instructions.
19887         (rCC): Define.
19888         (*b<cond:code>): Support limited branch ranges for new PC-relative
19889         branch instructions.
19890         * config/moxie/moxie.h (HAS_LONG_UNCOND_BRANCH): Define.
19892 2009-06-11  Jakub Jelinek  <jakub@redhat.com>
19894         * config/i386/i386.c (min_insn_size): Use get_attr_length
19895         for normal insns other than TYPE_MULTI, TYPE_OTHER and TYPE_FCMP.
19896         For __asm return 0.
19898         * config/i386/i386.c (ix86_pad_returns): Use emit_jump_insn_before
19899         instead of emit_insn_before.
19901 2009-06-10  Ian Lance Taylor  <iant@google.com>
19903         PR bootstrap/40408
19904         * graphite.c (add_conditions_to_domain): Change SWITCH_EXPR to
19905         GIMPLE_SWITCH.
19907 2009-06-10  Revital Eres  <eres@il.ibm.com>
19909         * passes.c (init_optimization_passes): Reschedule
19910         predictive-commoning pass before complete unroll pass.
19912 2009-06-10  Martin Jambor  <mjambor@suse.cz>
19914         * cgraph.c (cgraph_node_can_be_local_p): New function.
19915         (cgraph_make_node_local): New function.
19916         * cgraph.h (cgraph_node_can_be_local_p): Declare.
19917         (cgraph_make_node_local): Declare.
19919 2009-06-10  Nathan Froyd  <froydnj@codesourcery.com>
19921         * tree.h (tree_base): Add packed_flag and user_align fields.
19922         Decrease size of spare field.
19923         (TYPE_USER_ALIGN): Use user_align from tree_base.
19924         (DECL_USER_ALIGN): Likewise.
19925         (TYPE_PACKED): Use packed_flag from tree_base.
19926         (DECL_PACKED): Likewise.
19927         (tree_type): Delete packed_flag and user_align fields.  Widen
19928         precision field.  Widen mode field and shuffle fields to align
19929         mode on an 8-bit boundary.
19930         (tree_decl_common): Delete decl_flag_1 and user_align fields.
19931         Renumber decl_flag_* fields.  Fix comments.  Widen
19932         decl_common_unused field.
19933         (DECL_HAS_VALUE_EXPR_P): Adjust for renumbering of decl_flag_* fields.
19934         (DECL_EXTERNAL): Likewise.
19935         (DECL_BIT_FIELD): Likewise.
19936         (DECL_NONADDRESSABLE_P): Likewise.
19937         (TYPE_DECL_SUPRESS_DEBUG): Likewise.
19938         * config/arm/arm-modes.def (XImode): Make it an INT_MODE.
19940 2009-06-10  Ian Lance Taylor  <iant@google.com>
19942         * vec.h (DEF_VEC_ALLOC_I): Use DEF_VEC_NONALLOC_FUNCS_I.
19943         (DEF_VEC_ALLOC_P): Use DEF_VEC_NONALLOC_FUNCS_P.
19944         (DEF_VEC_ALLOC_O): Use DEF_VEC_NONALLOC_FUNCS_O.
19945         (DEF_VEC_ALLOC_FUNC_P): Only define VEC_OP (T,A,alloc).
19946         (DEF_VEC_NONALLOC_FUNCS_P): New macro, broken out of old
19947         DEF_VEC_ALLOC_FUNC_P.
19948         (DEF_VEC_ALLOC_FUNC_O): Only define VEC_OP (T,A,alloc).
19949         (DEF_VEC_NONALLOC_FUNCS_O): New macro, broken out of old
19950         DEF_VEC_ALLOC_FUNC_O.
19951         (DEF_VEC_ALLOC_FUNC_I): Only define VEC_OP (T,A,alloc).
19952         (DEF_VEC_NONALLOC_FUNCS_I): New macro, broken out of old
19953         DEF_VEC_ALLOC_FUNC_I.
19954         (vec_stack_p_reserve, vec_stack_p_reserve_exact): Declare.
19955         (vec_stack_p_reserve_exact_1): Declare.
19956         (vec_stack_o_reserve, vec_stack_o_reserve_exact): Declare.
19957         (vec_stack_free): Declare.
19958         (VEC_stack_alloc): Define.
19959         (DEF_VEC_ALLOC_P_STACK, DEF_VEC_ALLOC_FUNC_P_STACK): Define.
19960         (DEF_VEC_ALLOC_O_STACK, DEF_VEC_ALLOC_FUNC_O_STACK): Define.
19961         (DEF_VEC_ALLOC_I_STACK, DEF_VEC_ALLOC_FUNC_I_STACK): Define.
19962         * vec.c (void_p): New type.  Call DEF_VEC_P and DEF_VEC_ALLOC_P
19963         for void_p.
19964         (stack_vecs): New static variable.
19965         (vec_stack_p_reserve_exact_1): New function.
19966         (vec_stack_o_reserve_1): New static function.
19967         (vec_stack_p_reserve, vec_stack_p_reserve_exact): New functions.
19968         (vec_stack_o_reserve, vec_stack_o_reserve_exact): New functions.
19969         (vec_stack_free): New function.
19970         * df-scan.c (df_ref): Use DEF_VEC_P and DEF_VEC_ALLOC_P_STACK.
19971         (VEC_df_ref_stack_alloc): Define.
19972         (df_mw_hardreg_ptr): New type.  Use DEF_VEC_P and
19973         DEF_VEC_ALLOC_P_STACK.
19974         (VEC_df_mw_hardreg_ptr_stack_alloc): Define.
19975         (struct df_collection_rec): Change _vec fields to VEC.  Remove
19976         _use fields.
19977         (df_free_collection_rec): Adjust for new fields.
19978         (df_insn_rescan): Use new df_collection_rec fields.
19979         (df_notes_rescan, df_canonize_collection_rec): Likewise.
19980         (df_ref_create_structure, df_ref_record): Likewise.
19981         (df_get_conditional_uses, df_get_call_refs): Likewise.
19982         (df_insn_refs_collect, df_bb_refs_collect): Likewise.
19983         (df_bb_refs_record, df_record_entry_block_defs): Likewise.
19984         (df_record_exit_block_uses, df_bb_verify): Likewise.
19985         (df_swap_refs): Change ref_vec parameter to VEC.  Change all callers.
19986         (df_sort_and_compress_refs): Change ref_vec parameter to VEC.
19987         Remove count parameter.  Change return type to void.  Change all
19988         callers.
19989         (df_sort_and_compress_mws): Change mw_vec parameter to VEC.
19990         Remove count parameter.  Change return type to void.  Change all
19991         callers.
19992         (df_install_refs): Change old_vec parameter to VEC.  Remove count
19993         parameter.  Change all callers.
19994         (df_install_mws): Change old_vec parameter to VEC.  Remove count
19995         parameter.  Change all callers.
19996         (df_refs_verify): Change new_rec parameter to VEC.  Change call
19997         callers.
19998         (df_mws_verify): Likewise.
20000 2009-06-10  Alexandre Oliva  <aoliva@redhat.com>
20002         * gcc.c (compare_files): Cast munmap argumento to caddr_t.
20004 2009-06-10  H.J. Lu  <hongjiu.lu@intel.com>
20006         * doc/extend.texi: Add description for __builtin_ia32_crc32di.
20008 2009-06-10  Anthony Green  <green@moxielogic.com>
20010         * config/moxie/crti.asm: New file.
20011         * config/moxie/crtn.asm: New file.
20012         * config/moxie/moxie.c: New file.
20013         * config/moxie/moxie.h: New file.
20014         * config/moxie/sfp-machine.h: New file.
20015         * config/moxie/moxie-protos.h: New file.
20016         * config/moxie/t-moxie: Created.
20017         * config/moxie/t-moxie-softfp: Created.
20018         * config/moxie/moxie.md: Created.
20019         * config/moxie/constraints.md: Created.
20020         * config.gcc: Add moxie support.
20021         * doc/md.texi (Machine Constraints): Add moxie constraints.
20022         * doc/contrib.texi (Contributors): Mention moxie port.
20023         * doc/install.texi (Specific): Mention the moxie port.
20025 2009-06-09  Ian Lance Taylor  <iant@google.com>
20027         * system.h (HAVE_DESIGNATED_INITIALIZERS): Don't define if
20028         compiling with C++.
20029         * optabs.c (optab_table): Only use designated initializers if
20030         HAVE_DESIGNATED_INITIALIZERS is defined.
20031         (convert_optab_table): Likewise.
20032         (init_optabs): Always call init_insn_codes if
20033         HAVE_DESIGNATED_INITIALIZERS is not defined.
20035 2009-06-09  Ian Lance Taylor  <iant@google.com>
20037         * targhooks.c (default_builtin_vectorized_function): Change fn
20038         parameter to unsigned int.
20039         (default_builtin_vectorized_conversion): Change code parameter to
20040         unsigned int.
20041         (default_builtin_reciprocal): Change fn parameter to unsigned int.
20042         * targhooks.h: Update declarations.
20043         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Change code
20044         parameter to unsigned int.
20046         * c-typeck.c (comptypes_check_enum_int): New static function.
20047         (comptypes_internal): Add enum_and_int_p parameter.  Change all
20048         callers.
20049         (comp_target_types): Add location parameter.  Change all callers.
20050         (tagged_types_tu_compatible_p): Add enum_and_int_p parameter.
20051         Change all callers.
20052         (function_types_compatible_p, type_lists_compatible_p): Likewise.
20053         (build_conditional_expr): Add colon_loc parameter.  Change all
20054         callers.
20055         (convert_for_assignment): Add location parameter.  Change all callers.
20056         * c-parser.c (c_parser_conditional_expression): Pass location of
20057         colon to build_conditional_expr.
20058         * c-tree.h (build_conditional_expr): Update declaration.
20060 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
20062         * graphite.c: Revert previous patch.
20064 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
20066         PR bootstrap/40103
20067         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
20069 2009-06-09  Ghassan Shobaki  <ghassan.shobaki@amd.com>
20071         * tree-ssa-loop-prefetch.c
20072         (loop_prefetch_arrays): Fixed a portability problem in printf format
20073         string.
20075 2009-06-09  Martin Jambor  <mjambor@suse.cz>
20077         PR tree-optimization/40351
20078         * tree-sra.c (propagate_subacesses_accross_link): Check that a
20079         refrence to a potential artifical subaccess can be constructed.
20081 2009-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>
20083         * config/sh/sh-protos.h (sh_optimization_options): Declare.
20084         (sh_override_options): Likewise.
20085         * config/sh/sh.c: Include params.h.
20086         (sh_optimization_options): New.
20087         (sh_override_options): Likewise.
20088         * config/sh/sh.c (OPTIMIZATION_OPTIONS): Use sh_optimization_options.
20089         (OVERRIDE_OPTIONS): Use sh_override_options.
20091 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
20093         * dwarf2out.c (emit_cfa_remember): New variable.
20094         (add_fde_cfi): If emit_cfa_remember, recurse to add
20095         DW_CFA_remember_state first.
20096         (dwarf2out_begin_epilogue): Don't add_fde_cfi DW_CFA_remember_state,
20097         instead just set emit_cfa_remember.
20099 2009-06-08  Jan Hubicka  <jh@suse.cz>
20101         PR debug/40126
20102         * dwarf2out.c (dwarf2out_abstract_function): Free decl_loc_table.
20104 2009-06-08  Jan Hubicka  <jh@suse.cz>
20106         PR middle-end/39834
20107         * cgraphunit.c (save_inline_function_body): Do not copy transform
20108         hooks for saved inline bodies.
20109         * ipa-passes.c (do_per_function): Do not add the hoks multiple times
20110         for given function.
20112 2009-06-08  Adam Nemet  <anemet@caviumnetworks.com>
20114         * jump.c (returnjump_p): Handle delayed branches.  Add missing
20115         function comment.
20117 2009-06-08  Jan Hubicka  <jh@suse.cz>
20119         PR middle-end/40102
20120         * cgraph.c (cgraph_create_edge_including_clones): Also asume that the
20121         original node might've been modified.
20122         * tree-inline.c (copy_bb): Do not assume that all clones are the same.
20124 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
20126         * tree-object-size.c (addr_object_size): Add OSI argument.
20127         Handle also INDIRECT_REF with SSA_NAME inside of it as base address.
20128         (compute_builtin_object_size, expr_object_size): Adjust callers.
20129         (plus_stmt_object_size): Call addr_object_size instead of
20130         compute_builtin_object_size.
20132 2009-06-08  Ghassan Shobaki  <ghassan.shobaki@amd.com>
20133             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
20135         * tree-ssa-loop-prefetch.c
20136         (gather_memory_references): Introduced a counter for the number of
20137         memory references.
20138         (anything_to_prefetch_p): Introduced a counter for the number of
20139         prefetches.
20140         (is_loop_prefetching_profitable): New function with a cost model
20141         for prefetching.
20142         (loop_prefetch_arrays): Use the new cost model to determine if
20143         prefetching is profitable.
20144         * params.def (MIN_INSN_TO_PREFETCH_RATIO,
20145         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
20146         * params.h (MIN_INSN_TO_PREFETCH_RATIO,
20147         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
20148         * doc/invoke.texi (MIN_INSN_TO_PREFETCT_RATIO,
20149         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
20151 2009-06-08  Michael Matz  <matz@suse.de>
20153         PR debug/40012
20154         * cfgexpand.c (set_rtl): Store place also in DECL_RTL, if all
20155         partitions use the same.
20156         (expand_one_var): Deal with DECL_RTL sometimes begin set also
20157         for basevars of SSA_NAMEs.
20158         (expand_used_vars): Reset TREE_USED for basevars of SSA_NAMEs,
20159         to not expand them twice.
20160         (gimple_expand_cfg): Clear DECL_RTL for those decls that have
20161         multiple places.
20163 2009-06-08  Alexandre Oliva  <aoliva@redhat.com>
20165         * common.opt (fcompare-debug=, fcompare-debug-second): New.
20166         (fdump-final-insns=, gtoggle): New.
20167         * doc/invoke.texi: Document them.
20168         * final.c (rest_of_clean_state): Dump final insn stream.
20169         * gcc.c (invoke_as): Hook in -fcompare-debug.
20170         (static_spec_functions): Add compare-debug-dump-opt,
20171         compare-debug-self-opt and compare-debug-auxbase-opt.
20172         (compare_debug, compare_debug_second, compare_debug_opt): New.
20173         (switches_debug_check, n_switches_debug_check): New.
20174         (debug_auxbase_opt, debug_check_temp_file): New.
20175         (process_command): Handle -fno-compare-debug, -fcompare-debug and
20176         -fcompare-debug=*.
20177         (do_self_spec): Handle arguments after switches.
20178         (do_spec_1): Add .gk extension to temp file basenames for compare.
20179         (check_live_switch): Take SWITCH_IGNORE into account, and earlier.
20180         (cc1_options): Use it instead of normal auxbase computation for
20181         the second compare-debug compilation.
20182         (compare_files): New.
20183         (main): Set up and implement compare debug mode.
20184         (compare_debug_dump_opt_spec_function): New.
20185         (compare_debug_self_opt_spec_function): New.
20186         (compare_debug_auxbase_opt_spec_function): New.
20187         * toplev.c (process_options): Handle flag_gtoggle,
20188         flag_dump_final_insns.
20189         * coverage.c (coverage_begin_output): Don't overwrite .gcno file
20190         during -fcompare-debug-second compilation.
20192 2009-06-07  Ian Lance Taylor  <iant@google.com>
20194         * dwarf2.h (enum dwarf_location_atom): Add INTERNAL_DW_OP_tls_addr.
20195         * dwarf2out.c (INTERNAL_DW_OP_tls_addr): Don't #define.
20197         * c-common.c (c_do_switch_warnings): Don't exit early for -Wswitch
20198         with no default node.  Change warning with %H to warning_at.
20199         Don't clear warn_switch around case checking.
20200         * doc/invoke.texi (Warning Options): Clarify distinction between
20201         -Wswitch and -Wswitch-enum.
20203 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
20205         * tree-pass.h (TODO_update_ssa_any): Document internal use only.
20207 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
20209         * gbl-ctors.h: Add header guard.
20211 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
20213         * tree-flow.h (make_value_handle, set_value_handle, sort_vuses,
20214         sort_vuses_heap, vn_lookup_or_add, vn_lookup_or_add_with_stmt,
20215         vn_lookup_or_add_with_vuses, vn_add, vn_add_with_vuses,
20216         vn_lookup_with_stmt, vn_lookup, vn_lookup_with_vuses): Remove
20217         prototypes for removed functions.
20218         (expressions_equal_p): Move to ...
20219         * tree-ssa-sccvn.h: ... here and ...
20220         * matrix-reorg.c: ... adjust includes.
20222 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
20224         * ipa-struct-reorg.c (do_reorg_1): Fix whitespace in dump output.
20226 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
20228         * c-decl.c (finish_decl): Use bool for variable was_incomplete.
20229         (finish_function): Remove erroneous whitespace.
20231 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
20233         * tree-cfg.c (gimple_merge_blocks): Commentary typo fix.
20234         (verify_stmts): Print statement who's gimple_bb is set to a wrong BB
20236 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
20238         * errors.c (internal_error): Commentary typo fix.
20239         * gimple-iterator.c (gsi_insert_seq_on_edge): Ditto.
20240         * tree-ssa-pre.c: Ditto.
20242 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
20244         * basic-block.h (ENTRY_BLOCK, EXIT_BLOCK): Document that neither of
20245         them is supposed to hold actual statements.
20247 2009-06-06  Ian Lance Taylor  <iant@google.com>
20249         * doc/extend.texi (Attribute Syntax): Document that C++ labels on
20250         empty statements can now have attributes.
20252 2009-06-05  Shujing Zhao  <pearly.zhao@oracle.com>
20254         * config/mips/mips.c: Use REG_P and CONST_INT_P where applicable.
20255         * config/mips/mips.md: Ditto.
20257 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
20259         * config/rs6000/eabi.asm (__eabi_convert): Don't define if
20260         _RELOCATABLE.
20261         (__eabi_uconvert): Likewise.
20263 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
20265         * config/rs6000/ppc-asm.h: Protect auto-host.h inclusion and
20266         CFI_* definitions with IN_GCC.
20268 2009-06-05  David Edelsohn  <edelsohn@gnu.org>
20270         * xcoffout.h (xcoffout_source_line): Update prototype.
20272 2009-06-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
20274         * builtins.c (do_mpc_ckconv, do_mpc_arg1): Use
20275         mpc_realref/mpc_imagref instead of MPC_RE/MPC_IM.
20277 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
20279         PR middle-end/40340
20280         * tree-ssa-live.c (remove_unused_scope_block_p): Don't prune
20281         inlined_function_outer_scope_p blocks for artificial inlines
20282         even at -g0/-g1.
20283         * tree.c (tree_nonartificial_location): Rewrite using
20284         block_nonartificial_location.
20286 2009-06-05  Revital Eres  <eres@il.ibm.com>
20287             Leehod Baruch  <leehod@il.ibm.com>
20289         * expr.c (expand_assignment): Expand MISALIGNED_INDIRECT_REF.
20290         (expand_expr_real_1): Remove comment.
20291         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
20292         Vectorize misaligned access when the target supports it.
20293         (vect_supportable_dr_alignment): Check for unaligned access support.
20294         * tree-vect-stmts.c (vectorizable_store): Generate misaligned store
20295         and remove asset.
20297 2009-06-05  Julian Brown  <julian@codesourcery.com>
20299         * config/arm/ieee754-df.S (cmpdf2): Avoid writing below SP.
20300         * config/arm/ieee754-sf.S (cmpsf2): Likewise.
20302 2009-06-05  Richard Guenther  <rguenther@suse.de>
20304         PR bootstrap/40350
20305         * dwarf2out.c (dwarf2out_begin_function): Mark discriminator
20306         as possibly unused.
20308 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
20310         * config/s390/s390.c (global_not_special_regno_p): New static inline.
20311         (save_gprs): Don't tell unwinder when a global register is saved.
20312         (s390_emit_epilogue): Emit needed epilogue unwind info.
20314 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
20316         * dwarf2out.c (deferred_asm_name): New.
20317         (add_name_and_src_coords_attributes): Defer creation of
20318         DW_AT_MIPS_linkage_name attribute if DECL_ASSEMBLER_NAME was not
20319         computed yet.
20320         (move_linkage_attr): New.
20321         (dwarf2out_finish): Revisit deferrals and emit attributes at the
20322         right place.
20324 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
20326         * tree-nested.c (finalize_nesting_tree_1): Declare the
20327         frame_decl in the binding tree.
20329 2009-06-04  Cary Coutant  <ccoutant@google.com>
20331         * basic-block.h (struct basic_block_def): Add discriminator field.
20332         * dbxout.c (dbxout_source_line): Add new parameter.  Change all
20333         callers.
20334         * debug.c (do_nothing_debug_hooks): Add additional entry.
20335         (debug_nothing_int_charstar_int): New function.
20336         * debug.h (struct gcc_debug_hooks): Add parameter to source_line hook.
20337         (debug_nothing_int_charstar_int): New declaration.
20338         * dwarf2out.c (dwarf2out_source_line): Add new parameter.  Write
20339         discriminator value in .loc directive.
20340         * final.c (last_discriminator): New variable.
20341         (discriminator): New variable.
20342         (final_start_function): Initialize above variables, pass current
20343         discriminator to debug hook.
20344         (notice_source_line): Check for discriminator change.
20345         * gimple-pretty-print.c (dump_bb_header): Print discriminator value.
20346         * sdbout.c (sdbout_source_line): New parameter.
20347         * tree-cfg.c (struct locus_discrim_map): New structure type.
20348         (discriminator_per_locus): New hash table.
20349         (build_gimple_cfg): Allocate and free discriminator hash table.
20350         (make_edges): Call assign_discriminator.
20351         (locus_map_hash): New function.
20352         (locus_map_eq): New function.
20353         (next_discriminator_for_locus): New function.
20354         (same_line_p): New function.
20355         (assign_discriminator): New function.
20356         (make_cond_expr_edges): Call assign_discriminator.
20357         (make_gimple_switch_edges): Likewise.
20358         (first_non_label_stmt): New function.
20359         * vmsdbgout.c (vmsdbgout_source_line): Add new parameter.  Change
20360         all callers.
20361         * xcoffout.c (xcoffout_source_line): Add new parameter.
20363         * configure.ac (gcc_cv_as_discriminator): New configury check for
20364         gas support for discriminator.
20365         * configure: Regenerate.
20366         * config.in: Regenerate.
20368 2009-06-04  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
20370         * config/arm/arm.c (thumb2_legitimate_index_p): Initialize
20371         val after checking for integers.
20373 2009-06-04  Uros Bizjak  <ubizjak@gmail.com>
20375         * config/i386/i386.h (X86_64_MS_REGPARM_MAX): Rename from
20376         X64_REGPARM_MAX.
20377         (REGPARM_MAX): Use X86_64_MS_REGPARM_MAX.
20378         (X86_64_MS_SSE_REGPARM_MAX): Rename from X64_SSE_REGPARM_MAX.
20379         (SSE_REGPARM_MAX): Use X86_64_MS_SSE_REGPARM_MAX.
20380         * config/i386/i386.c: Use X86_64_MS_REGPARM_MAX instead of
20381         X64_REGPARM_MAX.  Use X86_64_MS_SSE_REGPARM_MAX instead of
20382         X64_SSE_REGPARM_MAX.
20383         * config/i386/i386.md: Use X86_64_MS_SSE_REGPARM_MAX instead of
20384         X64_SSE_REGPARM_MAX.
20386 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
20388         * gcc.c (report_times_to_file): New.
20389         (execute): Implement it.
20390         (process_command): Support -time=.
20391         * doc/invoke.texi: Document it.
20393 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
20395         * tree-ssa-live.c (remove_unused_scope_block_p): Keep variables
20396         that have value exprs.
20398 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
20400         * dwarf2asm.c (dw2_force_const_mem): Defer creation of
20401         declarations for constants until...
20402         (dw2_output_indirect_constant_1): ... this point.
20404 2009-06-04  Richard Earnshaw  <rearnsha@arm.com>
20406         PR target/10242
20407         * arm.md (arm_addsi3): Don't try to split an add with an
20408         eliminable register until after reload has completed.
20410 2009-06-03  Ian Lance Taylor  <iant@google.com>
20412         * dummy-checksum.c (executable_checksum): Use EXPORTED_CONST.
20413         * genattrtab.c (write_length_unit_log): Likewise.
20414         * genchecksum.c (dosum): Likewise.
20415         * gengtype.c (write_rtx_next): Likewise.
20416         (finish_root_table, write_roots): Likewise.
20417         * gimple.c (gimple_ops_offset_): Likewise.
20418         * tree-nomudflap.c (gt_ggc_r_gt_tree_mudflap_h): Likewise.
20419         * config/arc/arc.c (arc_attribute_table): Likewise.
20420         * config/arm/arm.c (arm_attribute_table): Likewise.
20421         * config/avr/avr.c (avr_attribute_table): Likewise.
20422         * config/crx/crx.c (crx_attribute_table): Likewise.
20423         * config/m32r/m32r.c (m32r_attribute_table): Likewise.
20424         * config/m68hc11/m68hc11.c (m68hc11_attribute_table): Likewise.
20425         * config/mcore/mcore.c (mcore_attribute_table): Likewise.
20426         * config/rs6000/rs6000.c (rs6000_attribute_table): Likewise.
20427         * config/sh/sh.c (sh_attribute_table): Likewise.
20428         * config/sparc/sparc.c (sparc_attribute_table): Likewise.
20429         * config/spu/spu.c (spu_attribute_table): Likewise.
20430         * config/v850/v850.c (v850_attribute_table): Likewise.
20432         * config/alpha/alpha.c (vms_attribute_table): Make static.
20433         * config/bfin/bfin.c (bfin_attribute_table): Likewise.
20434         * config/h8300/h8300.c (h8300_attribute_table): Likewise.
20435         * config/mips/mips.c (mips_attribute_table): Likewise.
20437         * Makefile.in (dummy-checksum.o): Depend upon $(CONFIG_H) and
20438         $(SYSTEM_H).
20439         (cc1-checksum.o): Likewise.
20441 2009-06-03  Steve Ellcey  <sje@cup.hp.com>
20443         * config/ia64/vect.md (*movv2sf_internal): Handle big endian case.
20445 2009-06-03  Jakub Jelinek  <jakub@redhat.com>
20447         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Return generated
20448         insn if it is changing sp.  Use gen_add3_insn instead of
20449         conditionally gen_addsi3 and gen_adddi3.
20450         (offset_below_red_zone_p): New static inline function.
20451         (rs6000_emit_epilogue): Emit needed epilogue unwind info.
20452         Use gen_add3_insn instead of conditionally gen_addsi3 and gen_adddi3.
20453         * config/rs6000/ppc-asm.h: Include auto-host.h.
20454         (CFI_STARTPROC, CFI_ENDPROC, CFI_DEF_CFA_REGISTER, CFI_OFFSET,
20455         CFI_RESTORE): Define.
20456         * config/rs6000/crtresxgpr.asm: Add unwind info.
20457         * config/rs6000/crtresxfpr.asm: Likewise.
20458         * config/rs6000/crtresgpr.asm: Likewise.
20459         * config/rs6000/crtresfpr.asm: Likewise.
20460         * config/rs6000/crtsavgpr.asm: Likewise.
20461         * config/rs6000/crtsavfpr.asm: Likewise.
20463         * dwarf2out.c (output_cfi_directive): Pass 1 instead of 0 to second
20464         argument of DWARF2_FRAME_REG_OUT macros.
20466 2009-06-03  Julian Brown  <julian@codesourcery.com>
20468         * config/arm/arm.c (arm_hard_regno_mode_ok): Permit values of four
20469         words or less (including TImode) in core registers.
20471 2009-06-03  Richard Guenther  <rguenther@suse.de>
20473         PR middle-end/40328
20474         * fold-const.c (fold_convert): Fold the build COMPLEX_EXPR.
20476 2009-06-03  Andrey Belevantsev  <abel@ispras.ru>
20478         * statistics.c (statistics_counter_event): Do not record event
20479         in pass dump if its number == -1.
20480         (curr_statistics_hash): Add assert that we never get passes
20481         with static number == -1.
20483 2009-06-03  Richard Guenther  <rguenther@suse.de>
20484             Andrey Belevantsev  <abel@ispras.ru>
20486         * cfgexpand.c (discover_nonconstant_array_refs_r): Make only
20487         non-BLKmode arrays addressable.
20489 2009-06-03  Maxim Kuvyrkov  <maxim@codesourcery.com>
20491         * config/m68k/linux.h (HAVE_GAS_BALIGN_AND_P2ALIGN): Move to ...
20492         * config/m68k/m68k.h: ... here.
20494 2009-06-03  Martin Jambor  <mjambor@suse.cz>
20496         PR tree-optimization/40323
20497         * ipa-prop.c (get_ssa_def_if_simple_copy): Break if not single
20498         assignment.
20500 2009-06-03  Richard Guenther  <rguenther@suse.de>
20502         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
20503         consistently.
20505 2009-06-03  Shujing Zhao  <pearly.zhao@oracle.com>
20507         * config/sh/predicates.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
20508         JUMP_P, CALL_P, NONJUMP_INSN_P, NOTE_P, BARRIER_P and
20509         JUMP_TABLE_DATA_P where applicable.
20510         * config/sh/sh.c: Ditto.
20511         * config/sh/sh.h: Ditto.
20512         * config/sh/sh.md: Ditto.
20513         * config/sh/symbian.c: Ditto.
20515 2009-06-03  Uros Bizjak  <ubizjak@gmail.com>
20517         * config/i386/driver-i386.c (describe_cache): Optimize
20518         concatenation of strings.  Use snprintf instead of sprintf.
20519         (host_detect_local_cpu): Ditto.  Ignore -march and -mtune for native
20520         target when not compiling with GCC.
20522 2009-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>
20524         * config/sh/sh.c: Revert last change.
20525         (sh_expand_epilogue): Emit a blockage insn before the frame
20526         pointer adjustment unconditionally.
20528 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
20530         * config/pa/pa-hpux.h (LINK_SPEC): Remove "%<fwhole-program".
20531         * config/pa/pa-hpux10.h (LINK_SPEC): Likewise.
20532         * config/pa/pa-hpux11.h (LINK_SPEC): Likewise.
20533         * gcc.c (set_collect_gcc_options): Don't add -fwhole-program
20534         to COLLECT_GCC_OPTIONS.
20536 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
20538         * collect2.c (target_system_root): New variable.
20539         (main): Handle --sysroot=.
20540         (ignore_library): Strip the sysroot from the library path.
20542 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
20544         * Makefile.in (COLLECT2_OBJS): Add collect2-aix.o.
20545         (collect2.o): Depend on collect2-aix.h.
20546         (collect2-aix.o): New rule.
20547         * collect2-aix.h: New file.
20548         * collect2-aix.c: Likewise.
20549         * collect2.c: Include collect2-aix.h.  Don't undefine
20550         OBJECT_FORMAT_COFF if CROSS_AIX_SUPPORT is defined.
20551         Guard native includes with #ifndef CROSS_DIRECTORY_STRUCTURE.
20552         Use TARGET_AIX_VERSION instead of _AIX51.
20553         * config/rs6000/aix43.h (TARGET_AIX_VERSION): Define.
20554         * config/rs6000/aix51.h (TARGET_AIX_VERSION): Likewise.
20555         * config/rs6000/aix52.h (TARGET_AIX_VERSION): Likewise.
20556         * config/rs6000/aix53.h (TARGET_AIX_VERSION): Likewise.
20557         * config/rs6000/aix61.h (TARGET_AIX_VERSION): Likewise.
20559 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
20561         * collect2.c (ignore_library): Avoid premature post-increment
20562         and null deference.
20564 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
20566         * Makefile.in (libgcc.mvars): Add TARGET_SYSTEM_ROOT.
20567         * config/rs6000/aix.h (LINK_SYSCALLS_SPEC): Add %R to the
20568         !CROSS_DIRECTORY_STRUCTURE alternative and use it for
20569         CROSS_DIRECTORY_STRUCTURE too.
20570         (LINK_LIBG_SPEC): Likewise.
20571         (LIB_SPEC): Add %R to sysroot paths.
20572         * config/rs6000/aix43.h (CPP_SPEC): Add %R to sysroot paths.
20573         (CPLUSPLUS_CPP_SPEC, LIB_SPEC): Likewise.
20574         * config/rs6000/aix51.h: As for aix43.h.
20575         * config/rs6000/aix52.h: Likewise.
20576         * config/rs6000/aix53.h: Likewise.
20577         * config/rs6000/aix61.h: Likewise.
20578         * config/rs6000/t-aix52 (SHLIB_LINK): Add $(TARGET_SYSTEM_ROOT)
20579         to the beginning of sysroot paths.
20581 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
20583         * print_rtl (print_rtx): Don't print modes in EXPR_LISTs and
20584         INSN_LISTs that are out of the REG_NOTE range.
20586 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
20588         * loop-unroll.c (struct iv_to_split): Add pointer to next.
20589         (struct var_to_expand): Likewise.
20590         (struct opt_info): Add head and tail for linked lists of the above.
20591         (analyze_insn_to_expand_var): Initialize next.
20592         (analyze_iv_to_split_insn): Likewise.
20593         (analyze_insns_in_loop): Create linked lists.
20594         (allocate_basic_variable): Simplify for use without hash table.
20595         (insert_var_expansion_initialization): Likewise, make it type-safer.
20596         (combine_var_copies_in_loop_exit): Likewise.
20597         (apply_opt_in_copies): Walk lists rather than hash tables.
20598         (release_var_copies): Simplified and inlined by hand into...
20599         (free_opt_info): ... this function.
20601 2009-06-02  Richard Guenther  <rguenther@suse.de>
20603         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
20604         for field decls.
20606 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
20608         * cfgexpand.c (gimple_expand_cfg): Discard the source location
20609         only for builtins that are not overridden.
20611 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
20613         * gengtype.c (adjust_field_rtx_def): Add NOTE_INSN_DELETED_LABEL's
20614         label string.
20616 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
20618         * df-core.c (df_ref_debug): Honor -fdump-noaddr.
20620 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
20622         * combine.c (move_deaths): Compare LUIDs within the same BB only.
20624 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
20626         * common.opt (fdump-unnumbered-links): New.
20627         * doc/invoke.texi (-fdump-unnumbered-links): Document it.
20628         * print-rtl.c (flag_dump_unnumbered_links): New.
20629         (print_rtx): Test it.
20631 2009-06-02  Richard Earnshaw  <rearnsha@arm.com>
20633         * arm.c (arm_get_frame_offsets): Prefer using r3 for padding a
20634         push/pop multiple to 8-byte alignment.
20636 2009-06-01  Jakub Jelinek  <jakub@redhat.com>
20638         * config/i386/i386.c (queued_cfa_restores): New static variable.
20639         (ix86_add_cfa_restore_note, ix86_add_queued_cfa_restore_notes): New
20640         functions.
20641         (pro_epilogue_adjust_stack): Call ix86_add_queued_cfa_restore_notes.
20642         (ix86_emit_restore_reg_using_pop): Add RED_OFFSET argument.
20643         Set RTX_FRAME_RELATED_P immediately after adding a REG_CFA_* note.
20644         Call ix86_add_cfa_restore_note instead of adding REG_CFA_OFFSET
20645         note unconditionally.
20646         (ix86_emit_restore_regs_using_mov): Likewise.
20647         (ix86_emit_restore_sse_regs_using_mov): Likewise.
20648         (ix86_emit_restore_regs_using_pop): Add RED_OFFSET argument, pass
20649         it through to ix86_emit_restore_reg_using_pop.
20650         (ix86_emit_leave): Add RED_OFFSET argument.  Call
20651         ix86_add_queued_cfa_restore_notes.  Call ix86_add_cfa_restore_note
20652         instead of adding REG_CFA_OFFSET note unconditionally.
20653         (ix86_expand_epilogue): Compute RED_OFFSET, pass it down to
20654         the above functions.  Call ix86_add_queued_cfa_restore_notes when
20655         needed.
20657         * dwarf2out.c (dwarf2out_cfi_label): Add FORCE argument, if true,
20658         force output of the label even for dwarf2out_do_cfi_asm.
20659         (add_fde_cfi): If -g2 and above and cfi might change CFA,
20660         force creation of CFI label and chain DW_CFA_set_loc jumping to it
20661         for convert_cfa_to_fb_loc_list.  Adjust other dwarf2out_cfi_label
20662         caller.
20663         (dwarf2out_stack_adjust, dwarf2out_frame_debug,
20664         dwarf2out_begin_epilogue, dwarf2out_frame_debug_restore_state): Adjust
20665         dwarf2out_cfi_label callers.
20666         * tree.h (dwarf2out_cfi_label): Adjust prototype.
20667         * config/arm/arm.c (thumb_pushpop, thumb1_output_function_prologue):
20668         Adjust dwarf2out_cfi_label callers.
20669         * config/vax/vax.c (vax_output_function_prologue): Likewise.
20671         * config/i386/i386.h (struct machine_cfa_state,
20672         struct machine_function): Guard with ifndef USED_FOR_TARGET
20673         instead of not IN_LIBGCC2 and not in IN_TARGET_LIBS.
20675         PR other/40024
20676         * emutls.c (__emutls_get_address): Change arr->size to mean number
20677         of allocated arr->data entries instead of # of slots + 1.
20679         PR middle-end/40316
20680         * recog.c (peep2_reinit_state): New function.
20681         (peephole2_init_state): Use it at the end of a basic block and also
20682         when seeing a RTX_FRAME_RELATED_P insn.
20684 2009-06-01  Steve Ellcey  <sje@cup.hp.com>
20686         * ia64.md (floatdirf2, fix_truncrfdi, floatunsdirf,
20687         fixuns_truncrfdi2): New.
20688         (fix_truncxfdi2_alts, fixuns_truncxfdi2_alts,
20689         *nmaddsf4_alts, *nmadddf4_alts, *nmadddf4_truncsf_alts,
20690         *mulxf3_alts, *mulxf3_truncsf_alts, *mulxf3_truncdf_alts,
20691         *maddxf4_alts, *maddxf4_alts_truncsf, *maddxf4_alts_truncdf,
20692         *nmaddxf4_alts, *nmaddxf4_truncsf_alts, *nmaddxf4_truncdf_alts,
20693         *recip_approx): Remove.
20694         (divsi3 modsi3, udivsi3, umodsi3, divsi3_internal, divdi3,
20695         moddi3, udivdi3, umoddi3, divdi3_internal_lat, divdi3_internal_thr,
20696         divsf3, sqrtsf2, divdf3, sqrtdf2, divxf3, sqrtxf2): Modify and
20697         move to div.md.
20698         * div.md (fix_truncrfdi2_alts, fixuns_truncrfdi2_alt,
20699         setf_exp_rf): New.
20701 2009-06-01  Ian Lance Taylor  <iant@google.com>
20703         * attribs.c (register_attribute): Use CONST_CAST.
20704         * collect2.c (main): Use CONST_CAST2.
20705         (scan_prog_file): Likewise.
20706         * gcc.c (process_command, main): Likewise.
20707         * toplev.c (toplev_main): Likewise.
20709         * c-typeck.c (handle_warn_cast_qual): New static function,
20710         partially broken out of build_c_cast.
20711         (build_c_cast): Call handle_warn_cast_qual.
20712         * doc/invoke.texi (Warning Options): Document new effect of
20713         -Wcast-qual.
20715 2009-06-01  Aldy Hernandez  <aldyh@redhat.com>
20717         * diagnostic.c (diagnostic_build_prefix): Always print columns.
20718         (diagnostic_report_current_module): Print columns.
20719         * common.opt (flag_show_column): Enable by default.
20721 2009-06-01  Luis Machado  <luisgpm@br.ibm.com>
20723         * alias.c (find_base_term): Check for NULL term before returning.
20725 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
20727         Revert due to PR40320:
20728         2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
20729         * calls.c (emit_library_call_value_1): Don't force_operand for move
20730         and push insns.
20732 2009-06-01  Olivier Hainque  <hainque@adacore.com>
20733             Eric Botcazou  <ebotcazou@adacore.com>
20735         * tree.h (CONSTRUCTOR_BITFIELD_P): True if NODE, a FIELD_DECL, is
20736         to be processed as a bitfield for constructor output purposes.
20737         * output.h (initializer_constant_valid_for_bitfield_p): Declare
20738         new function.
20739         * varasm.c (oc_local_state): New type, output_constructor
20740         local state to support communication with helpers.
20741         (oc_outer_state): New type, output_constructor outer state of
20742         relevance in recursive calls.
20743         (output_constructor_array_range): New output_constructor helper,
20744         extracted code for an array range element.
20745         (output_constructor_regular_field): New output_constructor helper,
20746         extracted code for an element that is not a bitfield.
20747         (output_constructor_bitfield): New output_constructor helper,
20748         extracted code for a bitfield element.  Accept an OUTER state
20749         argument for recursive processing.  Recurse on record or array
20750         CONSTRUCTOR values, possibly past noop conversions.
20751         (initializer_constant_valid_for_bitfield_p): New predicate.  Whether
20752         VALUE is a valid constant-valued expression for use in a static
20753         bit-field initializer.
20754         (output_constructor): Rework to use helpers.  Accept and honor an
20755         OUTER state argument for recursive calls.  Return total size.  Be
20756         prepared for nested constructors initializing bitfields.
20757         (output_constant): Feed OUTER in calls to output_constructor.
20759 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
20761         * calls.c (emit_library_call_value_1): Don't force_operand for move
20762         and push insns.
20764 2009-06-01  Nick Clifton  <nickc@redhat.com>
20766         * doc/invoke.texi (IA-64 Options): Fix typo.
20768 2009-06-01  Ira Rosen  <irar@il.ibm.com>
20770         PR tree-optimization/39129
20771         * tree-vect-loop-manip.c (conservative_cost_threshold): Change the
20772         printed message.
20773         (vect_do_peeling_for_loop_bound): Use
20774         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
20775         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
20776         (vect_loop_versioning): Likewise.
20777         (vect_create_cond_for_alias_checks): Fix indentation.
20778         * tree-vectorizer.h (struct _loop_vec_info): Fix indentation of the
20779         macros.
20780         (LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT): Define.
20781         (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Likewise.
20782         * tree-vect-loop.c (vect_analyze_loop_form): Change "too many BBs" to
20783         "control flow in loop".
20784         (vect_estimate_min_profitable_iters): Use
20785         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
20786         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
20787         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
20788         (vect_create_data_ref_ptr): Don't mention array dimension in printing.
20789         * tree-vect-stmts.c (vectorizable_store): Replace the check that the
20790         statement belongs to a group of strided accesses with the exact code
20791         check.
20792         (vectorizable_load): Likewise.
20793         * tree-vect-slp.c (vect_analyze_slp_instance): Spell out "basic block".
20794         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
20796 2009-06-01  Gerald Pfeifer  <gerald@pfeifer.com>
20798         * config/freebsd-stdint.h: New file.
20799         * config.gcc (*-*-freebsd): Set use_gcc_stdint=wrap.
20800         Add freebsd-stdint.h to tm_file.
20802 2009-06-01  Richard Earnshaw  <rearnsha@arm.com>
20804         * arm/thumb2.md (thumb2_zero_extendhidi2): New insn and split.
20805         (thumb2_extendhidi2): Likewise.
20807 2009-05-31  Ian Lance Taylor  <iant@google.com>
20809         * regstat.c (regstat_n_sets_and_refs): Remove duplicate definition.
20811 2009-05-31  Ian Lance Taylor  <iant@google.com>
20813         * Makefile.in (except.o): Depend upon gt-except.h, not gt-$(EXCEPT_H).
20814         (ipa-cp.o): Depend upon $(FIBHEAP_H) and $(PARAMS_H).
20815         (ipa-reference.o): Depend upon gt-ipa-reference.h.
20817 2009-05-31  Jason Merrill  <jason@redhat.com>
20819         * tree-pretty-print.c (print_call_name): Take the callee, not the
20820         call itself.  Make non-static.  Use dump_function_name for functions.
20821         (dump_generic_node): Adjust.
20822         * diagnostic.h: Declare print_call_name.
20823         * gimple-pretty-print.c (dump_gimple_call): Use it.
20825 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
20827         * config/sh/sh.md (ashldi3_std): New define_expand.
20828         (ashldi3): Use it.
20830 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
20832         PR target/40313
20833         * config/sh/sh.c: Include debug.h.
20834         (sh_expand_epilogue): Emit a blockage insn before the frame
20835         pointer adjustment also when dwarf2out_do_frame returns true.
20837 2009-05-31  Richard Earnshaw  <rearnsha@arm.com>
20839         * arm/thumb2.md (thumb2_extendsidi2): Add a split sub-pattern.
20840         (thumb2_extendqidi2): New pattern.
20842 2009-05-31  Ira Rosen  <irar@il.ibm.com>
20844         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1): Don't
20845         mark phis for renaming.
20846         * tree-vectorizer.c (vect_memsyms_to_rename): Remove.
20847         (vectorize_loops): Don't allocate and free vect_memsyms_to_rename.
20848         Call mark_sym_for_renaming.
20849         * tree-vectorizer.h (vect_memsyms_to_rename): Remove.
20850         * tree-vect-loop.c (vect_transform_loop): Remove
20851         vect_memsyms_to_rename initialization and a call to
20852         mark_set_for_renaming.
20854 2009-05-31  Jakub Jelinek  <jakub@redhat.com>
20856         PR middle-end/40304
20857         * config/i386/i386.c (pro_epilogue_adjust_stack): Mark insns
20858         frame related even if !set_cfa && style < 0.
20860 2009-05-30  Kai Tietz  <kai.tietz@onevision.com>
20862         * config/i386/mingw-tls.c: New file.
20863         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Add mingw-tls.c file.
20864         * gthr-win32.h (MINGW32_SUPPORTS_MT_EH): Define it for targets
20865         defining _WIN32 but not __CYGWIN__.
20867 2009-05-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
20869         * configure.ac: Add MPC support.
20871         * config.in, configure: Regenerate.
20873 2009-05-29  Richard Henderson  <rth@redhat.com>
20875         * cfgcleanup.c (try_crossjump_to_edge): Only skip past
20876         NOTE_INSN_BASIC_BLOCK.
20877         * cfglayout.c (duplicate_insn_chain): Copy epilogue insn marks.
20878         Duplicate NOTE_INSN_EPILOGUE_BEG notes.
20879         * cfgrtl.c (can_delete_note_p): Allow NOTE_INSN_EPILOGUE_BEG
20880         to be deleted.
20881         * dwarf2out.c (struct cfa_loc): Change indirect field to bitfield,
20882         add in_use field.
20883         (add_cfi): Disable check redefining cfa away from drap.
20884         (lookup_cfa_1): Add remember argument; handle remember/restore.
20885         (lookup_cfa): Pass remember argument.
20886         (cfa_remember): New.
20887         (compute_barrier_args_size_1): Remove sibcall check.
20888         (dwarf2out_frame_debug_def_cfa): New.
20889         (dwarf2out_frame_debug_adjust_cfa): New.
20890         (dwarf2out_frame_debug_cfa_offset): New.
20891         (dwarf2out_frame_debug_cfa_register): New.
20892         (dwarf2out_frame_debug_cfa_restore): New.
20893         (dwarf2out_frame_debug): Handle REG_CFA_* notes.
20894         (dwarf2out_begin_epilogue): New.
20895         (dwarf2out_frame_debug_restore_state): New.
20896         (dw_cfi_oprnd1_desc): Handle DW_CFA_remember_state,
20897         DW_CFA_restore_state.
20898         (output_cfi_directive): Likewise.
20899         (convert_cfa_to_fb_loc_list): Likewise.
20900         (dw_cfi_oprnd1_desc): Handle DW_CFA_restore.
20901         * dwarf2out.h: Update.
20902         * emit-rtl.c (try_split): Don't split RTX_FRAME_RELATED_P.
20903         (copy_insn_1): Early out for null.
20904         * final.c (final_scan_insn): Call dwarf2out_begin_epilogue
20905         and dwarf2out_frame_debug_restore_state.
20906         * function.c (prologue, epilogue, sibcall_epilogue): Remove.
20907         (prologue_insn_hash, epilogue_insn_hash): New.
20908         (free_after_compilation): Adjust freeing accordingly.
20909         (record_insns): Create hash table if needed; push insns into
20910         hash instead of array.
20911         (maybe_copy_epilogue_insn): New.
20912         (contains): Search hash table instead of array.
20913         (sibcall_epilogue_contains): Remove.
20914         (thread_prologue_and_epilogue_insns): Split eh_return insns
20915         and mark them as epilogues.
20916         (reposition_prologue_and_epilogue_notes): Rewrite epilogue
20917         scanning in terms of basic blocks.
20918         * insn-notes.def (CFA_RESTORE_STATE): New.
20919         * jump.c (returnjump_p_1): Accept EH_RETURN.
20920         (eh_returnjump_p_1, eh_returnjump_p): New.
20921         * reg-notes.def (CFA_DEF_CFA, CFA_ADJUST_CFA, CFA_OFFSET,
20922         CFA_REGISTER, CFA_RESTORE): New.
20923         * rtl.def (EH_RETURN): New.
20924         * rtl.h (eh_returnjump_p, maybe_copy_epilogue_insn): Declare.
20926         * config/bfin/bfin.md (UNSPEC_VOLATILE_EH_RETURN): Remove.
20927         (eh_return_internal): Use eh_return rtx; split w/ epilogue.
20929         * config/i386/i386.c (gen_push): Update cfa state.
20930         (pro_epilogue_adjust_stack): Add set_cfa argument.  When true,
20931         add a CFA_ADJUST_CFA note.
20932         (ix86_dwarf_handle_frame_unspec): Remove.
20933         (ix86_expand_prologue): Update cfa state.
20934         (ix86_emit_restore_reg_using_pop): New.
20935         (ix86_emit_restore_regs_using_pop): New.
20936         (ix86_emit_leave): New.
20937         (ix86_emit_restore_regs_using_mov): Add CFA_RESTORE notes.
20938         (ix86_expand_epilogue): Add notes for unwinding the epilogue.
20939         * config/i386/i386.h (struct machine_cfa_state): New.
20940         (ix86_cfa_state): New.
20941         * config/i386/i386.md (UNSPEC_EH_RETURN): Remove.
20942         (eh_return_internal): Merge from eh_return_<mode>,
20943         use eh_return rtx, split w/ epilogue.
20945 2009-05-29  Ian Lance Taylor  <iant@google.com>
20947         * builtins.c (validate_gimple_arglist): Don't use va_arg with
20948         enum type.
20949         * calls.c (emit_library_call_value_1): Likewise.
20951         * c-typeck.c (c_build_va_arg): New function.
20952         * c-tree.h (c_build_va_arg): Declare.
20953         * c-parser.c (c_parser_postfix_expression): Call c_build_va_arg
20954         instead of build_va_arg.
20956 2009-05-29  Eric Botcazou  <ebotcazou@adacore.com>
20958         * tree-ssa-loop-ivopts.c (strip_offset_1) <MULT_EXPR>: New case.
20959         (force_expr_to_var_cost) <NEGATE_EXPR>: Likewise.
20960         (ptr_difference_cost): Use affine combinations to compute it.
20961         (difference_cost): Likewise.
20962         (get_computation_cost_at): Compute more accurate cost for addresses
20963         if the ratio is a multiplier allowed in addresses.
20964         For non-addresses, consider that an additional offset or symbol is
20965         added only once.
20967 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
20969         * config/i386/i386.c (ix86_decompose_address): Avoid useless
20970         0 displacement.  Add 0 displacement if base is %[er]bp or %r13.
20972         * config/i386/i386.md (prefix_data16, prefix_rep): Set to 0 for
20973         TYPE_SSE{MULADD,4ARG,IADD1,CVT1} by default.
20974         (prefix_rex): For UNIT_MMX don't imply the prefix by default
20975         if MODE_DI.
20976         (prefix_extra): Default to 2 for TYPE_SSE{MULADD,4ARG} and
20977         to 1 for TYPE_SSE{IADD1,CVT1}.
20978         (prefix_vex_imm8): Removed.
20979         (length_vex): Only pass 1 as second argument to
20980         ix86_attr_length_vex_default if prefix_extra is 0.
20981         (modrm): For TYPE_INCDEC only set to 0 if not TARGET_64BIT.
20982         (length): For prefix vex computation use length_immediate
20983         attribute instead of prefix_vex_imm8.
20984         (cmpqi_ext_3_insn, cmpqi_ext_3_insn_rex64,
20985         addqi_ext_1, addqi_ext_1_rex64, *testqi_ext_0, andqi_ext_0,
20986         *andqi_ext_0_cc, *iorqi_ext_0, *xorqi_ext_0, *xorqi_cc_ext_1,
20987         *xorqi_cc_ext_1_rex64): Override modrm attribute to 1.
20988         (extendsidi2_rex64, extendhidi2, extendqidi2, extendhisi2,
20989         *extendhisi2_zext, extendqihi2, extendqisi2, *extendqisi2_zext): Emit
20990         a space in between the operands.
20991         (*anddi_1_rex64, *andsi_1): Likewise.  Override prefix_rex to 1
20992         if one operand is 0xff and the other one si, di, bp or sp.
20993         (*andhi_1): Override prefix_rex to 1 if one operand is 0xff and the
20994         other one si, di, bp or sp.
20995         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Add mode attribute.
20996         (*ffssi_1, *ffsdi_1, ctzsi2, ctzdi2): Add
20997         type and mode attributes.
20998         (*bsr, *bsr_rex64, *bsrhi): Add type attribute.
20999         (*cmpfp_i_mixed, *cmpfp_iu_mixed): For TYPE_SSECOMI, clear
21000         prefix_rep attribute and set prefix_data16 attribute iff MODE_DF.
21001         (*cmpfp_i_sse, *cmpfp_iu_sse): Clear prefix_rep attribute and set
21002         prefix_data16 attribute iff MODE_DF.
21003         (*movsi_1): For TYPE_SSEMOV MODE_SI set prefix_data16 attribute.
21004         (fix_trunc<mode>di_sse): Set prefix_rex attribute.
21005         (*adddi_4_rex64, *addsi_4): Use const128_operand instead of
21006         constm128_operand in length_immediate computation.
21007         (*addhi_4): Likewise.  Fix mode attribute to MODE_HI.
21008         (anddi_1_rex64): Use movzbl/movzwl instead of movzbq/movzwq.
21009         (*avx_ashlti3, sse2_ashlti3, *avx_lshrti3, sse2_lshrti3): Set
21010         length_immediate attribute to 1.
21011         (x86_fnstsw_1, x86_fnstcw_1, x86_fldcw_1): Fix length attribute.
21012         (*movdi_1_rex64): Override prefix_rex or prefix_data16 attributes
21013         for certain alternatives.
21014         (*movdf_nointeger, *movdf_integer_rex64, *movdf_integer): Override
21015         prefix_data16 attribute if MODE_V1DF.
21016         (*avx_setcc<mode>, *sse_setcc<mode>, *sse5_setcc<mode>): Set
21017         length_immediate to 1.
21018         (set_got_rex64, set_rip_rex64): Remove length attribute, set
21019         length_address to 4, set mode attribute to MODE_DI.
21020         (set_got_offset_rex64): Likewise.  Set length_immediate to 0.
21021         (fxam<mode>2_i387): Set length attribute to 4.
21022         (*prefetch_sse, *prefetch_sse_rex, *prefetch_3dnow,
21023         *prefetch_3dnow_rex): Override length_address attribute.
21024         (sse4_2_crc32<mode>): Override prefix_data16 and prefix_rex
21025         attributes.
21026         * config/i386/predicates.md (ext_QIreg_nomode_operand): New predicate.
21027         (constm128_operand): Removed.
21028         * config/i386/i386.c (memory_address_length): For
21029         disp && !index && !base in 64-bit mode account for SIB byte if
21030         print_operand_address can't optimize disp32 into disp32(%rip)
21031         and UNSPEC doesn't imply (%rip) addressing.  Add 1 to length
21032         for fs: or gs: segment.
21033         (ix86_attr_length_immediate_default): When checking if shortform
21034         is possible, truncate immediate to the length of the non-shortened
21035         immediate.
21036         (ix86_attr_length_address_default): Ignore MEM_P operands
21037         with X constraint.
21038         (ix86_attr_length_vex_default): Only check for DImode on
21039         GENERAL_REG_P operands.
21040         * config/i386/sse.md (<sse>_comi, <sse>_ucomi): Clear
21041         prefix_rep attribute, set prefix_data16 attribute iff MODE_DF.
21042         (sse_cvttps2pi): Clear prefix_rep attribute.
21043         (sse2_cvttps2dq, *sse2_cvtpd2dq, sse2_cvtps2pd): Clear prefix_data16
21044         attribute.
21045         (*sse2_cvttpd2dq): Don't clear prefix_rep attribute.
21046         (*avx_ashr<mode>3, ashr<mode>3, *avx_lshr<mode>3, lshr<mode>3,
21047         *avx_ashl<mode>3, ashl<mode>3): Set length_immediate attribute to 1
21048         iff operand 2 is const_int_operand.
21049         (*vec_dupv4si, avx_shufpd256_1, *avx_shufpd_<mode>,
21050         sse2_shufpd_<mode>): Set length_immediate attribute to 1.
21051         (sse2_pshufd_1): Likewise.  Set prefix attribute to maybe_vex
21052         instead of vex.
21053         (sse2_pshuflw_1, sse2_pshufhw_1): Set length_immediate to 1 and clear
21054         prefix_data16.
21055         (sse2_unpckhpd, sse2_unpcklpd, sse2_storehpd, *vec_concatv2df): Set
21056         prefix_data16 attribute for movlpd and movhpd instructions.
21057         (sse2_loadhpd, sse2_loadlpd, sse2_movsd): Likewise.  Override
21058         length_immediate for shufpd instruction.
21059         (sse2_movntsi, sse3_lddqu): Clear prefix_data16 attribute.
21060         (avx_cmpp<avxmodesuffixf2c><mode>3,
21061         avx_cmps<ssemodesuffixf2c><mode>3, *avx_maskcmp<mode>3,
21062         <sse>_maskcmp<mode>3, <sse>_vmmaskcmp<mode>3,
21063         avx_shufps256_1, *avx_shufps_<mode>, sse_shufps_<mode>,
21064         *vec_dupv4sf_avx, *vec_dupv4sf): Set length_immediate attribute to 1.
21065         (*avx_cvtsi2ssq, *avx_cvtsi2sdq): Set length_vex attribute to 4.
21066         (sse_cvtsi2ssq, sse2_cvtsi2sdq): Set prefix_rex attribute to 1.
21067         (sse2_cvtpi2pd, sse_loadlps, sse2_storelpd): Override
21068         prefix_data16 attribute for the first alternative to 1.
21069         (*avx_loadlps): Override length_immediate for the first alternative.
21070         (*vec_concatv2sf_avx): Override length_immediate and prefix_extra
21071         attributes for second alternative.
21072         (*vec_concatv2sf_sse4_1): Override length_immediate and
21073         prefix_data16 attributes for second alternative.
21074         (*vec_setv4sf_avx, *avx_insertps, vec_extract_lo_<mode>,
21075         vec_extract_hi_<mode>, vec_extract_lo_v16hi,
21076         vec_extract_hi_v16hi, vec_extract_lo_v32qi,
21077         vec_extract_hi_v32qi): Set prefix_extra and length_immediate to 1.
21078         (*vec_setv4sf_sse4_1, sse4_1_insertps, *sse4_1_extractps): Set
21079         prefix_data16 and length_immediate to 1.
21080         (*avx_mulv2siv2di3, *avx_mulv4si3, sse4_2_gtv2di3): Set prefix_extra
21081         to 1.
21082         (*avx_<code><mode>3, *avx_eq<mode>3, *avx_gt<mode>3): Set
21083         prefix_extra attribute for variants that don't have 0f prefix alone.
21084         (*avx_pinsr<ssevecsize>): Likewise.  Set length_immediate to 1.
21085         (*sse4_1_pinsrb, *sse2_pinsrw, *sse4_1_pinsrd, *sse4_1_pextrb,
21086         *sse4_1_pextrb_memory, *sse2_pextrw, *sse4_1_pextrw_memory,
21087         *sse4_1_pextrd): Set length_immediate to 1.
21088         (*sse4_1_pinsrd): Likewise.  Set prefix_extra to 1.
21089         (*sse4_1_pinsrq, *sse4_1_pextrq): Set prefix_rex and length_immediate
21090         to 1.
21091         (*vec_extractv2di_1_rex64_avx, *vec_extractv2di_1_rex64,
21092         *vec_extractv2di_1_avx, *vec_extractv2di_1_sse2): Override
21093         length_immediate to 1 for second alternative.
21094         (*vec_concatv2si_avx, *vec_concatv2di_rex64_avx): Override
21095         prefix_extra and length_immediate attributes for the first
21096         alternative.
21097         (vec_concatv2si_sse4_1): Override length_immediate to 1 for the
21098         first alternative.
21099         (*vec_concatv2di_rex64_sse4_1): Likewise.  Override prefix_rex
21100         to 1 for the first and third alternative.
21101         (*vec_concatv2di_rex64_sse): Override prefix_rex to 1 for the second
21102         alternative.
21103         (*sse2_maskmovdqu, *sse2_maskmovdqu_rex64): Override length_vex
21104         attribute.
21105         (*sse_sfence, sse2_mfence, sse2_lfence): Override length_address
21106         attribute to 0.
21107         (*avx_phaddwv8hi3, *avx_phadddv4si3, *avx_phaddswv8hi3,
21108         *avx_phsubwv8hi3, *avx_phsubdv4si3, *avx_phsubswv8hi,
21109         *avx_pmaddubsw128, *avx_pmulhrswv8hi3, *avx_pshufbv16qi3,
21110         *avx_psign<mode>3): Set prefix_extra attribute to 1.
21111         (ssse3_phaddwv4hi3, ssse3_phadddv2si3, ssse3_phaddswv4hi3,
21112         ssse3_phsubwv4hi3, ssse3_phsubdv2si3, ssse3_phsubswv4hi3,
21113         ssse3_pmaddubsw, *ssse3_pmulhrswv4hi, ssse3_pshufbv8qi3,
21114         ssse3_psign<mode>3): Override prefix_rex attribute.
21115         (*avx_palignrti): Override prefix_extra and length_immediate to 1.
21116         (ssse3_palignrti): Override length_immediate to 1.
21117         (ssse3_palignrdi): Override length_immediate to 1, override
21118         prefix_rex attribute.
21119         (abs<mode>2): Override prefix_rep to 0, override prefix_rex attribute.
21120         (sse4a_extrqi): Override length_immediate to 2.
21121         (sse4a_insertqi): Likewise.  Override prefix_data16 to 0.
21122         (sse4a_insertq): Override prefix_data16 to 0.
21123         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>,
21124         avx_blendvp<avxmodesuffixf2c><avxmodesuffix>,
21125         avx_dpp<avxmodesuffixf2c><avxmodesuffix>, *avx_mpsadbw,
21126         *avx_pblendvb, *avx_pblendw, avx_roundp<avxmodesuffixf2c>256,
21127         avx_rounds<avxmodesuffixf2c>256): Override prefix_extra
21128         and length_immediate to 1.
21129         (sse4_1_blendp<ssemodesuffixf2c>, sse4_1_dpp<ssemodesuffixf2c>,
21130         sse4_2_pcmpestr, sse4_2_pcmpestri, sse4_2_pcmpestrm,
21131         sse4_2_pcmpestr_cconly, sse4_2_pcmpistr, sse4_2_pcmpistri,
21132         sse4_2_pcmpistrm, sse4_2_pcmpistr_cconly): Override prefix_data16
21133         and length_immediate to 1.
21134         (sse4_1_blendvp<ssemodesuffixf2c>): Override prefix_data16 to 1.
21135         (sse4_1_mpsadbw, sse4_1_pblendw): Override length_immediate to 1.
21136         (*avx_packusdw, avx_vtestp<avxmodesuffixf2c><avxmodesuffix>,
21137         avx_ptest256): Override prefix_extra to 1.
21138         (sse4_1_roundp<ssemodesuffixf2c>, sse4_1_rounds<ssemodesuffixf2c>):
21139         Override prefix_data16 and length_immediate to 1.
21140         (sse5_pperm_zero_v16qi_v8hi, sse5_pperm_sign_v16qi_v8hi,
21141         sse5_pperm_zero_v8hi_v4si, sse5_pperm_sign_v8hi_v4si,
21142         sse5_pperm_zero_v4si_v2di, sse5_pperm_sign_v4si_v2di,
21143         sse5_vrotl<mode>3, sse5_ashl<mode>3, sse5_lshl<mode>3): Override
21144         prefix_data16 to 0 and prefix_extra to 2.
21145         (sse5_rotl<mode>3, sse5_rotr<mode>3): Override length_immediate to 1.
21146         (sse5_frcz<mode>2, sse5_vmfrcz<mode>2): Don't override prefix_extra
21147         attribute.
21148         (*sse5_vmmaskcmp<mode>3, sse5_com_tf<mode>3,
21149         sse5_maskcmp<mode>3, sse5_maskcmp<mode>3, sse5_maskcmp_uns<mode>3):
21150         Override prefix_data16 and prefix_rep to 0, length_immediate to 1
21151         and prefix_extra to 2.
21152         (sse5_maskcmp_uns2<mode>3, sse5_pcom_tf<mode>3): Override
21153         prefix_data16 to 0, length_immediate to 1 and prefix_extra to 2.
21154         (*avx_aesenc, *avx_aesenclast, *avx_aesdec, *avx_aesdeclast,
21155         avx_vpermilvar<mode>3,
21156         avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>,
21157         avx_vbroadcastss256, avx_vbroadcastf128_p<avxmodesuffixf2c>256,
21158         avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>,
21159         avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>):
21160         Override prefix_extra to 1.
21161         (aeskeygenassist, pclmulqdq): Override length_immediate to 1.
21162         (*vpclmulqdq, avx_vpermil<mode>, avx_vperm2f128<mode>3,
21163         vec_set_lo_<mode>, vec_set_hi_<mode>, vec_set_lo_v16hi,
21164         vec_set_hi_v16hi, vec_set_lo_v32qi, vec_set_hi_v32qi): Override
21165         prefix_extra and length_immediate to 1.
21166         (*avx_vzeroall, avx_vzeroupper, avx_vzeroupper_rex64): Override
21167         modrm to 0.
21168         (*vec_concat<mode>_avx): Override prefix_extra and length_immediate
21169         to 1 for the first alternative.
21170         * config/i386/mmx.md (*mov<mode>_internal_rex64): Override
21171         prefix_rep, prefix_data16 and/or prefix_rex attributes in certain
21172         cases.
21173         (*mov<mode>_internal_avx, *movv2sf_internal_rex64,
21174         *movv2sf_internal_avx, *movv2sf_internal): Override
21175         prefix_rep attribute for certain alternatives.
21176         (*mov<mode>_internal): Override prefix_rep or prefix_data16
21177         attributes for certain alternatives.
21178         (*movv2sf_internal_rex64_avx): Override prefix_rep and length_vex
21179         attributes for certain alternatives.
21180         (*mmx_addv2sf3, *mmx_subv2sf3, *mmx_mulv2sf3,
21181         *mmx_<code>v2sf3_finite, *mmx_<code>v2sf3, mmx_rcpv2sf2,
21182         mmx_rcpit1v2sf3, mmx_rcpit2v2sf3, mmx_rsqrtv2sf2, mmx_rsqit1v2sf3,
21183         mmx_haddv2sf3, mmx_hsubv2sf3, mmx_addsubv2sf3,
21184         *mmx_eqv2sf3, mmx_gtv2sf3, mmx_gev2sf3, mmx_pf2id, mmx_pf2iw,
21185         mmx_pi2fw, mmx_floatv2si2, mmx_pswapdv2sf2, *mmx_pmulhrwv4hi3,
21186         mmx_pswapdv2si2): Set prefix_extra attribute to 1.
21187         (mmx_ashr<mode>3, mmx_lshr<mode>3, mmx_ashl<mode>3): Set
21188         length_immediate to 1 if operand 2 is const_int_operand.
21189         (*mmx_pinsrw, mmx_pextrw, mmx_pshufw_1, *vec_dupv4hi,
21190         *vec_extractv2si_1): Set length_immediate attribute to 1.
21191         (*mmx_uavgv8qi3): Override prefix_extra attribute to 1 if
21192         using old 3DNOW insn rather than SSE/3DNOW_A.
21193         (mmx_emms, mmx_femms): Clear modrm attribute.
21195 2009-05-29  Martin Jambor  <mjambor@suse.cz>
21197         * tree-sra.c:  New implementation of SRA.
21199         * params.def (PARAM_SRA_MAX_STRUCTURE_SIZE): Removed.
21200         (PARAM_SRA_MAX_STRUCTURE_COUNT): Removed.
21201         (PARAM_SRA_FIELD_STRUCTURE_RATIO): Removed.
21202         * params.h (SRA_MAX_STRUCTURE_SIZE): Removed.
21203         (SRA_MAX_STRUCTURE_COUNT): Removed.
21204         (SRA_FIELD_STRUCTURE_RATIO): Removed.
21205         * doc/invoke.texi (sra-max-structure-size): Removed.
21206         (sra-field-structure-ratio): Removed.
21208 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
21210         PR middle-end/40291
21211         * builtins.c (expand_builtin_memcmp): Convert len to sizetype
21212         before expansion.
21214 2009-05-29  Andrey Belevantsev  <abel@ispras.ru>
21216         PR rtl-optimization/40101
21217         * sel-sched-ir.c (get_seqno_by_preds): Allow returning negative
21218         seqno.  Adjust comment.
21219         * sel-sched.c (find_seqno_for_bookkeeping): Assert that when
21220         inserting bookkeeping before a jump, the jump is not scheduled.
21221         When no positive seqno found, provide a value.  Add comment.
21223 2009-05-29  Richard Guenther  <rguenther@suse.de>
21225         * tree-ssa-alias.c (nonaliasing_component_refs_p): Remove
21226         short-cutting on the first component.
21228 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
21230         PR middle-end/39958
21231         * omp-low.c (scan_omp_1_op): Call remap_type on TREE_TYPE
21232         for trees other than decls/types.
21234 2009-05-29  Richard Guenther  <rguenther@suse.de>
21236         * tree-ssa-operands.c (get_expr_operands): Do not handle
21237         INDIRECT_REFs in the handled-component case.  Remove
21238         unused get_ref_base_and_extent case.
21239         * tree-dfa.c (get_ref_base_and_extent): Avoid calling
21240         tree_low_cst and host_integerp where possible.
21241         * tree-ssa-structalias.c (equiv_class_label_eq): Check hash
21242         codes for equivalence.
21243         * dce.c (find_call_stack_args): Avoid redundant bitmap queries.
21245 2009-05-29  David Billinghurst <billingd@gcc.gnu.org>
21247         * config.gcc: Add i386/t-fprules-softfp and soft-fp/t-softfp
21248         to tmake_file for i[34567]86-*-cygwin*.
21250 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
21252         PR target/40017
21253         * config/rs6000/rs6000-c.c (_Bool_keyword): New variable.
21254         (altivec_categorize_keyword, init_vector_keywords,
21255         rs6000_cpu_cpp_builtins): Define _Bool as conditional macro
21256         similar to bool.
21258 2009-05-29  Kai Tietz  <kai.tietz@onevision.com>
21260         * tree.c (handle_dll_attribute): Check if node is
21261         of kind FUNCTION_DECL for DECL_DECLARED_INLINE_P check.
21263 2009-05-29  Richard Earnshaw  <rearnsha@arm.com>
21265         * config/arm/thumb2.md (thumb2_zero_extendsidi2): Add a split
21266         component.
21267         (thumb2_zero_extendqidi2): Likewise.
21269 2009-05-28  Kaz Kojima  <kkojima@gcc.gnu.org>
21271         * config/sh/sh.c (sh_expand_t_scc): Use gen_xorsi3_movrt
21272         instead of gen_movrt.
21273         * config/sh/sh.md (movrt): Remove.
21275 2009-05-28  Steve Ellcey  <sje@cup.hp.com>
21277         * doc/invoke.texi (IA-64 Options):
21278         Add -msdata, -mfused-madd, -mno-inline-float-divide,
21279         -mno-inline-int-divide, -mno-inline-sqrt, -msched-spec-ldc,
21280         -msched-spec-control-ldc, -msched-prefer-non-data-spec-insns,
21281         -msched-prefer-non-control-spec-insns,
21282         -msched-stop-bits-after-every-cycle,
21283         -msched-count-spec-in-critical-path,
21284         -msel-sched-dont-check-control-spec, -msched-fp-mem-deps-zero-cost
21285         -msched-max-memory-insns-hard-limit, -msched-max-memory-insns.
21286         Remove -mt, -pthread, -msched-ldc, -mno-sched-control-ldc,
21287         and -msched-spec-verbose.
21289 2009-05-28  Joseph Myers  <joseph@codesourcery.com>
21291         * config/arm/lib1funcs.asm (__clear_cache): Define if L_clear_cache.
21292         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define to give an
21293         error if used.
21294         * config/arm/t-linux-eabi (LIB1ASMFUNCS): Add _clear_cache.
21296 2009-05-28  Richard Guenther  <rguenther@suse.de>
21298         * tree-ssa-alias.c (ao_ref_init): New function.
21299         (ao_ref_base): Likewise.
21300         (ao_ref_base_alias_set): Likewise.
21301         (ao_ref_alias_set): Likewise.
21302         (refs_may_alias_p_1): Change signature.
21303         (refs_may_alias_p): Adjust.
21304         (refs_anti_dependent_p): Likewise.
21305         (refs_output_dependent_p): Likewise.
21306         (call_may_clobber_ref_p_1): Change signature.
21307         (call_may_clobber_ref_p): Adjust.
21308         (stmt_may_clobber_ref_p_1): New function split out from ...
21309         (stmt_may_clobber_ref_p): ... here.
21310         (maybe_skip_until): Adjust signature.
21311         (get_continuation_for_phi): Likewise.
21312         (walk_non_aliased_vuses): Likewise.
21313         * tree-ssa-alias.h (struct ao_ref_s): New structure type.
21314         (ao_ref_init): Declare.
21315         (ao_ref_base): Likewise.
21316         (ao_ref_alias_set): Likewise.
21317         (stmt_may_clobber_ref_p_1): Likewise.
21318         (walk_non_aliased_vuses): Adjust.
21319         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): New function.
21320         (get_ref_from_reference_ops): remove.
21321         (vn_reference_lookup_2): Adjust signature.
21322         (vn_reference_lookup_3): Do not re-build trees.  Handle unions.
21323         (vn_reference_lookup_pieces): Adjust signature, do not re-build trees.
21324         (vn_reference_lookup): Adjust.
21325         (vn_reference_insert): Likewise.
21326         (vn_reference_insert_pieces): Adjust signature.
21327         (visit_reference_op_call): Adjust.
21328         * tree-ssa-pre.c (get_expr_type): Simplify.
21329         (phi_translate_1): Adjust.
21330         (compute_avail): Likewise.
21331         (translate_vuse_through_block): Do not re-build trees.
21332         (value_dies_in_block_x): Likewise.
21333         * tree-ssa-sccvn.h (struct vn_reference_s): Add type and alias-set
21334         fields.
21335         (vn_reference_lookup_pieces): Adjust declaration.
21336         (vn_reference_insert_pieces): Likewise.
21338 2009-05-28  Benjamin Kosnik  <bkoz@redhat.com>
21340         * tree-ssa-copy.c (replace_exp_1): Move op for warning-free use
21341         with checking disabled.
21343 2009-05-28  Dave Korn  <dave.korn.cygwin@gmail.com>
21345         PR target/37216
21347         * configure.ac (HAVE_GAS_ALIGNED_COMM):  Add autoconf test and
21348         macro definition for support of three-operand format aligned
21349         .comm directive in assembler on cygwin/pe/mingw target OS.
21350         * configure:  Regenerate.
21351         * config.h:  Regenerate.
21353         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common):  Use
21354         aligned form of .comm directive if -mpe-aligned-commons is in effect.
21355         * config/i386/cygming.opt (-mpe-aligned-commons):  Add new option.
21357         * doc/invoke.texi (-mpe-aligned-commons):  Document new target option.
21358         * doc/tm.texi (ASM_OUTPUT_COMMON):  Document zero size commons.
21360 2009-05-28  Ira Rosen  <irar@il.ibm.com>
21362         PR tree-optimization/40254
21363         * tree-data-ref.c (dr_analyze_innermost): Take POFFSET into account
21364         in analysis of basic blocks.
21366 2009-05-28  Adam Nemet  <anemet@caviumnetworks.com>
21368         PR middle-end/33699
21369         * target.h (struct gcc_target): Fix indentation.  Add const_anchor.
21370         * target-def.h (TARGET_CONST_ANCHOR): New macro.
21371         (TARGET_INITIALIZER): Use it.
21372         * cse.c (CHEAPER): Move it up to the other macros.
21373         (insert): Rename this ...
21374         (insert_with_costs): ... to this.  Add cost parameters.  Update
21375         function comment.
21376         (insert): New function.  Call insert_with_costs.
21377         (compute_const_anchors, insert_const_anchor, insert_const_anchors,
21378         find_reg_offset_for_const, try_const_anchors): New functions.
21379         (cse_insn): Call try_const_anchors.  Adjust cost of src_related
21380         when using a const-anchor.  Call insert_const_anchors.
21381         * config/mips/mips.c (mips_set_mips16_mode): Set targetm.const_anchor.
21382         * doc/tm.texi (Misc): Document TARGET_CONST_ANCHOR.
21384 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
21386         * tree-inline.c (remap_decls): Enable nonlocalized variables
21387         when not optimizing.
21389 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
21391         * tree-ssa-live.c (remove_unused_locals): Skip when not optimizing.
21392         Simplify other tests involving optimize.
21394 2009-05-27  Tom Tromey  <tromey@redhat.com>
21396         * unwind-dw2.c (_Unwind_DebugHook): New function.
21397         (uw_install_context): Call _Unwind_DebugHook.
21399 2009-05-27  Tom Tromey  <tromey@redhat.com>
21401         * system.h (CONST_CAST2): Use C++ const_cast when compiled as C++
21403 2009-05-27  Ian Lance Taylor  <iant@google.com>
21405         * Makefile.in (LINKER, LINKER_FLAGS): Define.
21406         (LINKER_FOR_BUILD, BUILD_LINKERFLAGS): Define.
21407         (ALL_LINKERFLAGS): Define.
21408         (xgcc$(exeext)): Change $(COMPILER) to $(LINKER).
21409         (cpp$(exeext), cc1-dummy$(exeext), cc1$(exeext)): Likewise.
21410         (collect2$(exeext), mips-tfile, mips-tdump): Likewise.
21411         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
21412         (build/gen%$(build_exeext)): Change $(COMPILER_FOR_BUILD) to
21413         $(LINKER_FOR_BUILD).
21414         (build/gcov-iov$(build_exeext)): Likewise.
21416 2009-05-27  Julian Brown  <julian@codesourcery.com>
21418         * gcse.c (target.h): Include.
21419         (can_assign_to_reg_without_clobbers_p): Check that the target allows
21420         copy of argument to a pseudo register.
21422 2009-05-27  Diego Novillo  <dnovillo@google.com>
21424         * tree-ssa-live.c (dump_scope_block): Document arguments.
21425         (dump_scope_blocks): Document.
21426         (debug_scope_blocks): New.
21427         * tree-flow.h (debug_scope_blocks): Declare.
21429 2009-05-21  Denis Chertykov  <denisc@overta.ru>
21431         * doc/contrib.texi (Contributors): Add myself to the list.
21433 2009-05-27  Olivier Hainque  <hainque@adacore.com>
21435         * expr.c (target_align): New function.  Alignment the TARGET of an
21436         assignment may be assume to have.
21437         (highest_pow2_factor_for_target): Use it instead of relying on
21438         immediate tree attributes of TARGET, not necessarily honored when
21439         intermediate bitfields are involved.
21441 2009-05-27  H.J. Lu  <hongjiu.lu@intel.com>
21443         PR target/40266
21444         * config/i386/driver-i386.c (host_detect_local_cpu): Support
21445         AVX, SSE4, AES, PCLMUL and POPCNT.
21447 2009-05-27  Diego Novillo  <dnovillo@google.com>
21449         * tree-pretty-print.c (dump_location): New.
21450         (dump_generic_node): Call it.
21451         Factor code to handle BLOCK nodes ...
21452         (dump_block_node): ... here.
21454 2009-05-27  Rafael Avila de Espindola  <espindola@google.com>
21456         * Makefile.in (GCC_PLUGIN_H): New. Replace all uses of gcc-plugin.h
21457         with it.
21458         * doc/plugins.texi: Document that gcc-plugin.h must be the first to be
21459         included.
21460         * gcc-plugin.h: Include config.h and system.h.
21461         (IN_GCC): Define if not defined.
21463 2009-05-27  Hans-Peter Nilsson  <hp@axis.com>
21465         PR middle-end/40249
21466         * Makefile.in (CRTSTUFF_CFLAGS): Replace -fno-inline-functions
21467         with -fno-inline.
21469 2009-05-27  Shujing Zhao  <pearly.zhao@oracle.com>
21471         * config/m32r/m32r.c: Use REG_P, MEM_P and CONST_INT_P where
21472         applicable.
21473         * config/m32r/m32r.h: Ditto.
21474         * config/m32r/m32r.md: Ditto.
21475         * config/m32r/predicates.md: Ditto.
21477 2009-05-27  Alexandre Oliva  <aoliva@redhat.com>
21479         * cgraph.c (dump_cgraph_node): Honor -fdump-noaddr.
21481 2009-05-26  Basile Starynkevitch  <basile@starynkevitch.net>
21483         * doc/plugins.texi
21484         (Loading plugins): typo.
21485         (Plugin callbacks): Documented PLUGIN_INFO, PLUGIN_GGC_START,
21486         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
21487         (Interacting with the GCC Garbage Collector): Added new section.
21488         (Giving information about a plugin): Added new section for
21489         PLUGIN_INFO.
21490         * ggc.h (ggc_register_root_tab): Added declaration.
21491         * gcc-plugin.h (PLUGIN_GGC_START, PLUGIN_GGC_MARKING)
21492         (PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS): Added new events.
21493         (register_callback): Improved comment in declaration.
21494         * ggc-common.c (const_ggc_root_tab_t) Added new typedef for vectors.
21495         (extra_root_vec) Added static variable for dynamic roots registration.
21496         (ggc_register_root_tab) Added new routine.
21497         (ggc_mark_roots) Added iteration inside extra_root_vec, and invoke
21498         PLUGIN_GGC_MARKING event.
21499         * ggc-zone.c: Include plugin.h.
21500         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
21501         * ggc-page.c: Include plugin.h.
21502         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
21503         * plugin.c (plugin_event_name): added names of PLUGIN_GGC_START,
21504         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS
21505         (register_callback): check lack of callbacks for
21506         pseudo-events. Added handling of PLUGIN_REGISTER_GGC_ROOTS,
21507         PLUGIN_GGC_START, PLUGIN_GGC_MARKING, PLUGIN_GGC_END.
21508         (invoke_plugin_callbacks): Handle PLUGIN_GGC_START,
21509         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
21510         * Makefile.in (ggc-common.o, ggc-zone.o, ggc-page.o): Added
21511         dependency on plugin.h.
21512         (plugin.o): Added dependency on ggc.h...
21514 2009-05-26  Richard Guenther  <rguenther@suse.de>
21516         PR middle-end/40248
21517         Revert
21518         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
21519         with mismatched comparison modes.
21521         * expr.c (expand_expr_real_1): Expand the operand of a
21522         VIEW_CONVERT_EXPR in its natural mode.
21524 2009-05-26  Ian Lance Taylor  <iant@google.com>
21526         * Makefile.in (COMPILER, COMPILER_FLAGS): Define.
21527         (COMPILER_FOR_BUILD, BUILD_COMPILERFLAGS): Define.
21528         (ALL_COMPILERFLAGS): Define.
21529         (.c.o, xgcc$(exeext), cpp$(exeext)): Use $(COMPILER).
21530         (cc1-dummy$(exeext), cc1$(exeext)): Likewise.
21531         (collect2$(exeext), collect2.o): Likewise.
21532         (c-opts.o, c-cppbuiltin.o, c-pch.o, gcc.o, gccspec.o): Likewise.
21533         (gcc-options.o, version.o, prefix.o, toplev.o): Likewise.
21534         ($(out_object_file), mips-tfile, mips-tdump): Likewise.
21535         (libbackend.o, intl.o, cppdefault.o): Likewise.
21536         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
21537         (build/%.o): Use $(COMPILER_FOR_BUILD).
21538         (build/gen%$(build_exeext)): Likewise.
21539         (build/gcov-iov$(build_exeext)): LIkewise.
21540         * config/t-darwin (darwin.o): Use $(COMPILER).
21541         (darwin-c.o, darwin-f.o, darwin-driver.o): Likewise.
21542         * config/t-sol2 (sol2-c.o): Likewise.
21543         (sol2.o): Likewise.
21544         * config/t-vxworks (vxworks.o): Likewise.
21545         * config/x-darwin (host-darwin.o): Likewise.
21546         * config/x-hpux (host-hpux.o): Likewise.
21547         * config/x-linux (host-linux.o): Likewise.
21548         * config/x-solaris (host-solaris.o): Likewise.
21549         * config/alpha/x-alpha (driver-alpha.o): Likewise.
21550         * config/arm/t-arm (arm-c.o): Likewise.
21551         * config/arm/t-pe (pe.o): Likewise.
21552         * config/arm/t-wince-pe (pe.o): Likewise.
21553         * config/i386/t-cygming (winnt.o): Likewise.
21554         (winnt-cxx.o, winnt-stubs.o, msformat-c.o): Likewise.
21555         * config/i386/t-cygwin (cygwin1.o): Likewise.
21556         (cygwin2.o): Likewise.
21557         * config/i386/t-i386 (i386-c.o): Likewise.
21558         * config/i386/t-interix (winnt.o): Likewise.
21559         * config/i386/t-netware (netware.o): Likewise.
21560         * config/i386/t-nwld (nwld.o): Likewise.
21561         * config/i386/x-darwin (host-i386-darwin.o): Likewise.
21562         * config/i386/x-i386 (driver-i386.o): Likewise.
21563         * config/i386/x-cygwin (host-cygwin.o): Likewise.
21564         * config/i386/x-mingw32 (host-mingw32.o): Likewise.
21565         * config/ia64/t-ia64 (ia64-c.o): Likewise.
21566         * config/m32c/t-m32c (m32c-pragma.o): Likewise.
21567         * config/mips/x-native (driver-native.o): Likewise.
21568         * config/rs6000/t-rs6000 (rs6000-c.o): Likewise.
21569         * config/rs6000/x-darwin (host-ppc-darwin.o): Likewise.
21570         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Likewise.
21571         * config/rs6000/x-rs6000 (driver-rs6000.o): Likewise.
21572         * config/score/t-score-elf (score7.o): Likewise.
21573         (score3.o): Likewise.
21574         * config/sh/t-sh (sh-c.o): Likewise.
21575         * config/sh/t-symbian (sh-c.o): Likewise.
21576         (symbian.o): Likewise.
21577         * config/spu/t-spu-elf (spu-c.o): Likewise.
21578         * config/v850/t-v850 (v850-c.o): Likewise.
21579         * config/v850/t-v850e (v850-c.o): Likewise.
21581 2009-05-26  Richard Guenther  <rguenther@suse.de>
21583         PR tree-optimization/40122
21584         * tree-ssa-ccp.c (ccp_fold): Fold vector CONSTRUCTORs to
21585         VECTOR_CSTs if possible.
21586         (fold_gimple_assign): Likewise.
21588 2009-05-26  Richard Guenther  <rguenther@suse.de>
21590         PR middle-end/40252
21591         * fold-const.c (fold_binary): Use the correct types for building
21592         rotates.
21594 2009-05-26  Richard Guenther  <rguenther@suse.de>
21596         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove
21597         redundant calls to merge_alias_info.
21598         (bump_vector_ptr): Likewise.
21599         * tree-ssa-copy.c (merge_alias_info): Remove.
21600         (replace_exp_1): Remove call to merge_alias_info.
21601         (propagate_tree_value): Likewise.
21602         (fini_copy_prop): Propagate points-to info.
21603         * tree-flow.h (merge_alias_info): Remove.
21605 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
21607         * config/picochip/picochip.C (PARAM_INLINE_CALL_COST): Remove.
21609 2009-05-25  Jan Hubicka  <jh@suse.cz>
21611         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
21612         * cgraph.h (struct inline_summary): New filed self_wize,
21613         size_inlining_benefit, self_time and time_inlining_benefit.
21614         (struct cgraph_global_info): Replace insns by time ans size fields.
21615         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
21616         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
21617         (ipcp_update_callgraph): Do not touch function bodies.
21618         * ipa-inline.c: Include except.h
21619         (MAX_TIME): New constant.
21620         (overall_insns): Remove.
21621         (leaf_node_p): New.
21622         (overall_size, max_benefit): New static variables.
21623         (cgraph_estimate_time_after_inlining): New function.
21624         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
21625         (cgraph_clone_inlined_nodes): Update size.
21626         (cgraph_mark_inline_edge): Update size.
21627         (cgraph_estimate_growth): Use size info.
21628         (cgraph_check_inline_limits): Check size.
21629         (cgraph_default_inline_p): Likewise.
21630         (cgraph_edge_badness): Compute badness based on benefit and size cost.
21631         (cgraph_decide_recursive_inlining): Check size.
21632         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
21633         and times.
21634         (cgraph_decide_inlining): Likewise.
21635         (cgraph_decide_inlining_incrementally): Likewise; honor
21636         PARAM_EARLY_INLINING_INSNS.
21637         (likely_eliminated_by_inlining_p): New predicate.
21638         (estimate_function_body_sizes): New function.
21639         (compute_inline_parameters): Use it.
21640         * except.c (must_not_throw_labels): New function.
21641         * except.h (must_not_throw_labels): Declare.
21642         * tree-inline.c (init_inline_once): Kill inlining_weigths
21643         * tree-ssa-structalias.c: Avoid uninitialized warning.
21644         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
21645         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
21646         (PARAM_INLINE_CALL_COST): Remove.
21647         (PARAM_EARLY_INLINING_INSNS): New.
21649 2009-05-25  Richard Guenther  <rguenther@suse.de>
21651         PR tree-optimization/36327
21652         * tree-ssa-alias.c (walk_non_aliased_vuses): Add second walker
21653         callback for reference translation or lookup at the point of may-defs.
21654         * tree-ssa-alias.h (walk_non_aliased_vuses): Adjust prototype.
21655         * tree-ssa-sccvn.c (get_ref_from_reference_ops): Bail out
21656         for union COMPONENT_REFs.
21657         (vn_reference_lookup_3): New callback.  Lookup from memset
21658         and CONSTRUCTOR assignment, translate through struct copies.
21659         (vn_reference_lookup_pieces): Make sure to not free the
21660         passed operands array.  Adjust walk_non_aliased_vuses call.
21661         (vn_reference_lookup): Adjust walk_non_aliased_vuses call,
21662         make sure we do not leak memory.
21664 2009-05-25  Richard Guenther  <rguenther@suse.de>
21666         * tree-ssa-alias.h (dump_points_to_solution): Declare.
21667         * tree-inline.c (expand_call_inline): Reset the escaped and
21668         callused solutions.
21669         * tree-ssa-structalias.c (pass_build_ealias): New.
21670         * tree-pass.h (pass_build_ealias): Declare.
21671         * passes.c (init_optimization_passes): Add PTA during
21672         early optimizations.
21673         * tree-ssa-alias.c (dump_alias_info): Dump the ESCAPED
21674         and CALLUSED solutions.
21675         (dump_points_to_solution): New function, split out from ...
21676         (dump_points_to_info_for): ... here.
21677         * tree-parloops.c (parallelize_loops): Reset the escaped and
21678         callused solutions.
21680 2009-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
21682         PR bootstrap/40027
21683         * config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
21684         * config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.
21686 2009-05-25  Ira Rosen  <irar@il.ibm.com>
21688         PR tree-optimization/40238
21689         * tree-vect-stmts.c (vect_init_vector): Insert initialization
21690         statements after basic block's labels.
21691         * tree-vect-slp.c (vect_slp_transform_bb): Call destroy_bb_vec_info()
21692         to free the allocated memory.
21694 2009-05-24  Kaz Kojima  <kkojima@gcc.gnu.org>
21696         * gcc/config/sh/sh.c (sh_set_return_address): Mark store of
21697         return address with a USE.
21699 2009-05-24  Richard Guenther  <rguenther@suse.de>
21701         PR middle-end/40233
21702         * tree.c (make_vector_type): Build the TYPE_DEBUG_REPRESENTATION_TYPEs
21703         array type from the main variant of the inner type.
21705 2009-05-24  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
21707         * config/vax/vax-protos.h (legitimate_constant_address_p): Change
21708         definition to bool (from int) to un-break build.
21709         (legitimate_constant_p, vax_mode_dependent_address_p): Likewise.
21711 2009-05-24  Paolo Bonzini  <bonzini@gnu.org>
21713         * tree-ssa-operands.h (push_stmt_changes, pop_stmt_changes,
21714         discard_stmt_changes): Delete.
21715         * tree-ssa-operands.c (scb_stack): Delete.
21716         (init_ssa_operands): Do not initialize it.
21717         (fini_ssa_operands): Do not free it.
21718         (push_stmt_changes, pop_stmt_changes, discard_stmt_changes): Delete.
21720         * tree-cfg.c (replace_uses_by): Replace pop_stmt_changes with
21721         update_stmt, remove the others.  Fix comments.
21722         * tree-dfa.c (optimize_stack_restore): Likewise.
21723         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Likewise.
21724         * tree-ssa-loop-ivopts.c (rewrite_use): Likewise.
21725         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
21726         * tree-ssa-ccp.c (optimize_stack_restore, execute_fold_all_builtins):
21727         Likewise.
21728         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
21729         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
21730         (dom_opt_finalize_block): Likewise, adjusting access to
21731         stmts_to_rescan.
21732         (optimize_stmt): Likewise, adjusting access to stmts_to_rescan.
21733         (stmts_to_rescan): Change item type to gimple.
21734         (tree_ssa_dominator_optimize): Change type of stmts_to_rescan.
21736 2009-05-24  Ira Rosen  <irar@il.ibm.com>
21738         * doc/passes.texi (Tree-SSA passes): Document SLP pass.
21739         * tree-pass.h (pass_slp_vectorize): New pass.
21740         * params.h (SLP_MAX_INSNS_IN_BB): Define.
21741         * timevar.def (TV_TREE_SLP_VECTORIZATION): Define.
21742         * tree-vectorizer.c (timevar.h): Include.
21743         (user_vect_verbosity_level): Declare.
21744         (vect_location): Fix comment.
21745         (vect_set_verbosity_level): Update user_vect_verbosity_level
21746         instead of vect_verbosity_level.
21747         (vect_set_dump_settings): Add an argument. Ignore user defined
21748         verbosity if dump flags require higher level of verbosity. Print to
21749         stderr only for loop vectorization.
21750         (vectorize_loops): Update call to vect_set_dump_settings.
21751         (execute_vect_slp): New function.
21752         (gate_vect_slp): Likewise.
21753         (struct gimple_opt_pass pass_slp_vectorize): New.
21754         * tree-vectorizer.h (struct _bb_vec_info): Define along macros to
21755         access its members.
21756         (vec_info_for_bb): New function.
21757         (struct _stmt_vec_info): Add bb_vinfo and a macro for its access.
21758         (VECTORIZATION_ENABLED): New macro.
21759         (SLP_ENABLED, SLP_DISABLED): Likewise.
21760         (vect_is_simple_use): Add bb_vec_info argument.
21761         (new_stmt_vec_info, vect_analyze_data_ref_dependences,
21762         vect_analyze_data_refs_alignment, vect_verify_datarefs_alignment,
21763         vect_analyze_data_ref_accesses, vect_analyze_data_refs,
21764         vect_schedule_slp, vect_analyze_slp): Likewise.
21765         (vect_analyze_stmt): Add slp_tree argument.
21766         (find_bb_location): Declare.
21767         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
21768         * tree-vect-loop.c (new_loop_vec_info): Adjust function calls.
21769         (vect_analyze_loop_operations, vect_analyze_loop,
21770         get_initial_def_for_induction, vect_create_epilog_for_reduction,
21771         vect_finalize_reduction, vectorizable_reduction,
21772         vectorizable_live_operation, vect_transform_loop): Likewise.
21773         * tree-data-ref.c (dr_analyze_innermost): Update comment,
21774         skip evolution analysis if analyzing a basic block.
21775         (dr_analyze_indices): Likewise.
21776         (initialize_data_dependence_relation): Skip the test whether the
21777         object is invariant for basic blocks.
21778         (compute_all_dependences): Skip dependence analysis for data
21779         references in basic blocks.
21780         (find_data_references_in_stmt): Don't fail in case of invariant
21781         access in basic block.
21782         (find_data_references_in_bb): New function.
21783         (find_data_references_in_loop): Move code to
21784         find_data_references_in_bb and add a call to it.
21785         (compute_data_dependences_for_bb): New function.
21786         * tree-data-ref.h (compute_data_dependences_for_bb): Declare.
21787         * tree-vect-data-refs.c (vect_check_interleaving): Adjust to the case
21788         that STEP is 0.
21789         (vect_analyze_data_ref_dependence): Check for interleaving in case of
21790         unknown dependence in basic block and fail in case of dependence in
21791         basic block.
21792         (vect_analyze_data_ref_dependences): Add bb_vinfo argument, get data
21793         dependence instances from either loop or basic block vectorization
21794         info.
21795         (vect_compute_data_ref_alignment): Check if it is loop vectorization
21796         before calling nested_in_vect_loop_p.
21797         (vect_compute_data_refs_alignment): Add bb_vinfo argument, get data
21798         dependence instances from either loop or basic block vectorization
21799         info.
21800         (vect_verify_datarefs_alignment): Likewise.
21801         (vect_enhance_data_refs_alignment): Adjust function calls.
21802         (vect_analyze_data_refs_alignment): Likewise.
21803         (vect_analyze_group_access): Fix printing. Skip different checks if
21804         DR_STEP is 0. Keep strided stores either in loop or basic block
21805         vectorization data structure. Fix indentation.
21806         (vect_analyze_data_ref_access): Fix comments, allow zero step in
21807         basic blocks.
21808         (vect_analyze_data_ref_accesses): Add bb_vinfo argument, get data
21809         dependence instances from either loop or basic block vectorization
21810         info.
21811         (vect_analyze_data_refs): Update comment. Call
21812         compute_data_dependences_for_bb to analyze basic blocks.
21813         (vect_create_addr_base_for_vector_ref): Check for outer loop only in
21814         case of loop vectorization. In case of basic block vectorization use
21815         data-ref itself as a base.
21816         (vect_create_data_ref_ptr): In case of basic block vectorization:
21817         don't advance the pointer, add new statements before the current
21818         statement.  Adjust function calls.
21819         (vect_supportable_dr_alignment): Support only aligned accesses in
21820         basic block vectorization.
21821         * common.opt (ftree-slp-vectorize): New flag.
21822         * tree-vect-patterns.c (widened_name_p): Adjust function calls.
21823         (vect_pattern_recog_1): Likewise.
21824         * tree-vect-stmts.c (process_use): Likewise.
21825         (vect_init_vector): Add new statements in the beginning of the basic
21826         block in case of basic block SLP.
21827         (vect_get_vec_def_for_operand): Adjust function calls.
21828         (vect_finish_stmt_generation): Likewise.
21829         (vectorizable_call): Add assert that it is loop vectorization, adjust
21830         function calls.
21831         (vectorizable_conversion, vectorizable_assignment): Likewise.
21832         (vectorizable_operation): In case of basic block SLP, take
21833         vectorization factor from statement's type and skip the relevance
21834         check. Adjust function calls.
21835         (vectorizable_type_demotion): Add assert that it is loop
21836         vectorization, adjust function calls.
21837         (vectorizable_type_promotion): Likewise.
21838         (vectorizable_store): Check for outer loop only in case of loop
21839         vectorization. Adjust function calls. For basic blocks, skip the
21840         relevance check and don't advance pointers.
21841         (vectorizable_load): Likewise.
21842         (vectorizable_condition): Add assert that it is loop vectorization,
21843         adjust function calls.
21844         (vect_analyze_stmt): Add argument. In case of basic block SLP, check
21845         that it is not reduction, get vector type, call only supported
21846         functions, skip loop specific parts.
21847         (vect_transform_stmt): Check for outer loop only in case of loop
21848         vectorization.
21849         (new_stmt_vec_info): Add new argument and initialize bb_vinfo.
21850         (vect_is_simple_use): Fix comment, add new argument, fix conditions
21851         for external definition.
21852         * passes.c (pass_slp_vectorize): New pass.
21853         * tree-vect-slp.c (find_bb_location): New function.
21854         (vect_get_and_check_slp_defs): Add argument, adjust function calls,
21855         check for patterns only in loops.
21856         (vect_build_slp_tree): Add argument, adjust function calls, fail in
21857         case of multiple types in basic block SLP.
21858         (vect_mark_slp_stmts_relevant): New function.
21859         (vect_supported_load_permutation_p): Fix comment.
21860         (vect_analyze_slp_instance): Add argument. In case of basic block
21861         SLP, take vectorization factor from statement's type, check that
21862         unrolling factor is 1. Adjust function call. Save SLP instance in
21863         either loop or basic block vectorization structure. Return FALSE,
21864         if SLP failed.
21865         (vect_analyze_slp): Add argument. Get strided stores groups from
21866         either loop or basic block vectorization structure. Return FALSE
21867         if basic block SLP failed.
21868         (new_bb_vec_info): New function.
21869         (destroy_bb_vec_info, vect_slp_analyze_node_operations,
21870         vect_slp_analyze_operations, vect_slp_analyze_bb): Likewise.
21871         (vect_schedule_slp): Add argument. Get SLP instances from either
21872         loop or basic block vectorization structure. Set vectorization factor
21873         to be 1 for basic block SLP.
21874         (vect_slp_transform_bb): New function.
21875         * params.def (PARAM_SLP_MAX_INSNS_IN_BB): Define.
21877 2009-05-23  Mark Mitchell  <mark@codesourcery.com>
21879         * final.c (shorten_branches): Do not align labels for jump tables.
21880         (final_scan_insn): Use JUMP_TABLE_DATA_P.
21882 2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>
21884         * doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
21885         Remove outdated reference to flow.c and fix nits.
21886         * doc/gccint.texi: Tweak RTL description.
21887         * doc/rtl.texi: Likewise.
21889 2009-05-23  Denis Chertykov  <chertykov@gmail.com>
21891         * config/avr/avr.c: Change my email address.
21892         * config/avr/avr.h: Likewise.
21893         * config/avr/avr.md: Likewise.
21894         * config/avr/avr-protos.h: Likewise.
21895         * config/avr/libgcc.S: Likewise.
21897 2009-05-22  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
21899         * config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove.
21900         (spu_split_load, spu_split_store): Change return type to int.
21901         (spu_split_convert): Declare.
21902         * config/spu/predicates.md (spu_mem_operand): Remove.
21903         (spu_mov_operand): Update.
21904         (spu_dest_operand, shiftrt_operator, extend_operator): Define.
21905         * config/spu/spu.c (regno_aligned_for_load): Remove.
21906         (reg_aligned_for_addr, spu_expand_load): Define.
21907         (spu_expand_extv): Reimplement and handle MEM.
21908         (spu_expand_insv): Handle MEM.
21909         (spu_sched_reorder): Handle insn's with length 0.
21910         (spu_legitimate_address_p): Reimplement.
21911         (store_with_one_insn_p): Return TRUE for any mode with size
21912         larger than 16 bytes.
21913         (address_needs_split): Define.
21914         (spu_expand_mov): Call spu_split_load and spu_split_store for MEM
21915         operands.
21916         (spu_convert_move): Define.
21917         (spu_split_load): Use spu_expand_load and change all MEM's to TImode.
21918         (spu_split_store): Change all MEM's to TImode.
21919         (spu_init_expanders): Preallocate registers that correspond to
21920         LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with
21921         mark_reg_pointer.
21922         (spu_split_convert): Define.
21923         * config/spu/spu.md (QHSI, QHSDI): New mode iterators.
21924         (_move<mode>, _movdi, _movti): Update predicate and condition.
21925         (load, store): Change to define_split.
21926         (extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to
21927         extend<mode>ti2.
21928         (zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define.
21929         (lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one
21930         define_insn_and_split of lshr<mode>3.
21931         (shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand.
21932         (<v>ashr<mode>3_imm): Define.
21933         (extv, extzv, insv): Allow MEM operands.
21934         (trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti,
21935         shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi,
21936         sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine.
21937         (_spu_convert2): Change to define_insn_and_split and remove the
21938         corresponding define_peephole2.
21939         (stack_protect_set, stack_protect_test, stack_protect_test_si):
21940         Change predicates to memory_operand.
21942 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
21944         * config/arm/thumb2.md: Add 16-bit multiply instructions.
21946 2009-05-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
21948         PR tree-optimization/40219
21949         * tree.c (iterative_hash_expr): Make sure the builtin function is
21950         a normal builtin function and not a front end or back end builtin
21951         before indexing into the built_in_decls array.
21953 2009-05-22  Richard Guenther  <rguenther@suse.de>
21955         PR middle-end/38964
21956         * alias.c (write_dependence_p): Do not use TBAA for answering
21957         anti-dependence or output-dependence.
21958         * tree-ssa-structalias.c (set_uids_in_ptset): Remove TBAA pruning code.
21959         (emit_pointer_definition): Remove.
21960         (emit_alias_warning): Likewise.
21961         (find_what_var_points_to): Remove TBAA pruning code.
21962         (find_what_p_points_to): Likewise.  Do not warn about strict-aliasing
21963         violations.
21964         (compute_points_to_sets): Remove code computing the set of
21965         dereferenced pointers.
21966         * tree-data-ref.c (dr_may_alias_p): Properly use the split
21967         oracle for querying anti and output dependencies.
21968         * tree-ssa-alias.c (refs_may_alias_p_1): Add argument specifying
21969         if TBAA may be applied.
21970         (refs_anti_dependent_p): New function.
21971         (refs_output_dependent_p): Likewise.
21972         * tree-ssa-alias.h (refs_anti_dependent_p): Declare.
21973         (refs_output_dependent_p): Likewise.
21974         * doc/tree-ssa.texi (Memory model): New section.
21975         * doc/c-tree.texi (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
21976         * doc/gimple.texi (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
21977         * cfgexpand.c (expand_gimple_basic_block): Do not handle
21978         GIMPLE_CHANGE_DYNAMIC_TYPE or CHANGE_DYNAMIC_TYPE_EXPR.
21979         * expr.c (expand_expr_real_1): Likewise.
21980         * gimple-low.c (lower_stmt): Likewise.
21981         * gimple-pretty-print.c (dump_gimple_stmt): Likewise.
21982         (dump_gimple_cdt): Remove.
21983         * gimple.c (gss_for_code): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
21984         (gimple_size): Likewise.
21985         (walk_gimple_op): Likewise.
21986         (is_gimple_stmt): Likewise.
21987         (walk_stmt_load_store_addr_ops): Likewise.
21988         (gimple_build_cdt): Remove.
21989         * gimple.def (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
21990         * gimple.h (gimple_cdt_new_type): Remove.
21991         (gimple_cdt_new_type_ptr): Likewise.
21992         (gimple_cdt_set_new_type): Likewise.
21993         (gimple_cdt_location): Likewise.
21994         (gimple_cdt_location_ptr): Likewise.
21995         (gimple_cdt_set_location): Likewise.
21996         * gimplify.c (gimplify_expr): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
21997         * tree-cfg.c (remove_useless_stmts_1): Do not handle
21998         GIMPLE_CHANGE_DYNAMIC_TYPE.
21999         (verify_types_in_gimple_stmt): Likewise.
22000         * tree-inline.c (estimate_num_insns): Likewise.
22001         (expand_call_inline): Do not copy DECL_NO_TBAA_P.
22002         (copy_decl_to_var): Likewise.
22003         (copy_result_decl_to_var): Likewise.
22004         * tree-pretty-print.c (dump_generic_node): Do not handle
22005         CHANGE_DYNAMIC_TYPE_EXPR.
22006         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
22007         * tree-ssa-operands.c (get_expr_operands): Likewise.
22008         * tree-ssa-structalias.c (struct variable_info): Remove
22009         no_tbaa_pruning member.
22010         (new_var_info): Do not set it based on DECL_NO_TBAA_P.
22011         (unify_nodes): Do not copy it.
22012         (find_func_aliases): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
22013         (dump_solution_for_var): Do not dump no_tbaa_pruning state.
22014         (set_uids_in_ptset): Do not check it.
22015         (find_what_var_points_to): Likewise.
22016         (compute_tbaa_pruning): Remove.
22017         (compute_points_to_sets): Do not call it.
22018         * tree.c (walk_tree_1): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
22019         * tree.def (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
22020         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Remove.
22021         (CHANGE_DYNAMIC_TYPE_LOCATION): Likewise.
22022         (DECL_NO_TBAA_P): Likewise.
22023         (struct tree_decl_common): Move no_tbaa_flag to unused flags section.
22024         * omp-low.c (copy_var_decl): Do not copy DECL_NO_TBAA_P.
22025         (expand_omp_atomic_pipeline): Do not set it.
22026         * print-tree.c (print_node): Do not dump it.
22027         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
22028         redundant check.
22030 2009-05-22 Vladimir Makarov <vmakarov@redhat.com>
22032         PR target/39856
22033         * reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
22034         for clobber.
22036 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
22038         * tree.c (handle_dll_attribute): Mark dllexport'd inlines as
22039         non-external.
22041 2009-05-22  Ben Elliston  <bje@au.ibm.com>
22043         * Makefile.in (bversion.h, s-bversion): New targets.
22044         (TOPLEV_H): Add bversion.h.
22045         * toplev.h: Include "bversion.h".
22046         (ATTRIBUTE_GCC_DIAG): When building with checking disabled, use
22047         the __format__ attribute only if compiling with the same version
22048         of GCC as the sources (the "build version").
22050 2009-05-22  Ben Elliston  <bje@au.ibm.com>
22052         * c-format.c (handle_format_attribute): Fix comment typo.
22054 2009-05-21  Steve Ellcey  <sje@cup.hp.com>
22056         PR target/37846
22057         * config/ia64/ia64.opt (mfused-madd): New.
22058         * config/ia64/ia64.h (TARGET_DEFAULT): Set MASK_FUSED_MADD.
22059         * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
22060         * config/ia64/ia64.md (maddsf4, msubsf4, nmaddsf4,
22061         madddf4, madddf4_trunc, msubdf4, msubdf4_trunc, nmadddf4,
22062         nmadddf4_truncsf, maddxf4, maddxf4_truncsf, maddxf4_truncdf,
22063         msubxf4, msubxf4_truncsf msubxf4_truncdf, nmaddxf4,
22064         nmaddxf4_truncsf, nmaddxf4_truncdf): Check TARGET_FUSED_MADD.
22065         * config/ia64/vect.md (addv2sf3, subv2sf3): Force fpma/fpms
22066         instruction if !TARGET_FUSED_MADD.
22067         (fpma, fpms): Remove colon from name.
22069 2009-05-22  Richard Guenther  <rguenther@suse.de>
22071         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
22072         TMR_ORIGINAL.  Always either record TMR_SYMBOL or TMR_BASE.
22073         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
22074         TARGET_MEM_REF.
22075         (create_expression_by_pieces): Only convert if necessary.
22076         * gimplify.c (gimplify_expr): Handle TARGET_MEM_REF.
22077         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST.
22079 2009-05-21  Adam Nemet  <anemet@caviumnetworks.com>
22081         * config/mips/mips.md (*extzv_trunc<mode>_exts): Turn into a
22082         regular pattern from a template and rename it ...
22083         (*extzv_truncsi_exts): ... to this.
22085 2009-05-21  Richard Guenther  <rguenther@suse.de>
22087         * cgraph.h (struct cgraph_node): Remove inline_decl member.
22088         * ipa-inline.c (cgraph_mark_inline_edge): Do not check it.
22089         (cgraph_default_inline_p): Likewise.
22090         (cgraph_decide_inlining_incrementally): Likewise.
22092 2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
22093             Uros Bizjak  <ubizjak@gmail.com>
22095         * config/i386/cpuid.h (bit_MOVBE): New.
22097         * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.
22099         * config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
22100         (OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
22101         (ix86_handle_option): Handle OPT_mmovbe.
22102         (ix86_target_string): Add -mmovbe.
22103         (pta_flags): Add PTA_MOVBE.
22104         (processor_alias_table): Add PTA_MOVBE to "atom".
22105         (override_options): Handle PTA_MOVBE.
22107         * config/i386/i386.h (TARGET_MOVBE): New.
22109         * config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
22110         (*bswapsi_movbe): New.
22111         (*bswapdi_movbe): Likewise.
22112         (bswapdi2): Renamed to ...
22113         (*bswapdi_1): This.
22114         (bswapdi2): New expander.
22116         * config/i386/i386.opt (mmovbe): New.
22118         * doc/invoke.texi: Document -mmovbe.
22120 2009-05-21  Taras Glek  <tglek@mozilla.com>
22122         * plugin.c (try_init_one_plugin): Updated to new plugin_init API.
22123         * gcc-plugin.h (plugin_init): Updated signature.
22124         * gcc-plugin.h (plugin_name_args): Moved to this header.
22125         * doc/plugins.texi (plugin_init): Updated documention to reflect
22126         API change.
22127         * doc/plugins.texi (plugin_name_args): Added to documention.
22129 2009-05-21  Mark Mitchell  <mark@codesourcery.com>
22131         * config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern.
22132         (*mul<mode>3neg<mode>add<mode>_neon): Likewise.
22134 2009-05-21  Shujing Zhao  <pearly.zhao@oracle.com>
22136         * config/i386/i386.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P and
22137         JUMP_TABLE_DATA_P predicates where applicable.
22138         * config/i386/predicates.md: Ditto.
22139         * config/i386/sse.md: Ditto.
22141 2009-05-21  Jakub Jelinek  <jakub@redhat.com>
22143         * config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For
22144         operand2 -128 override length_immediate attribute to 1.
22145         * config/i386/predicates.md (constm128_operand): New predicate.
22147         * config/i386/i386.c (memory_address_length): Handle %r12
22148         the same as %rsp and %r13 the same as %rbp.  For %rsp and %rbp
22149         also check REGNO.
22150         (ix86_attr_length_address_default): For MODE_SI lea in 64-bit
22151         mode look through optional ZERO_EXTEND and SUBREG.
22152         * config/i386/i386.md (R12_REG): New define_constant.
22153         (prefix_data16): For sse unit set also for MODE_TI insns.
22154         (prefix_rex): For -m32 always return 0.  For TYPE_IMOVX
22155         insns set if operand 1 is ext_QIreg_operand.
22156         (modrm): For TYPE_IMOV clear only if not MODE_DI.  For
22157         TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened
22158         immediate.
22159         (*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change
22160         mode from MODE_DI to MODE_SI.
22161         (movdi_1_rex64): Override modrm and length_immediate attributes
22162         only for movabs (TYPE_IMOV, alternative 2).
22163         (zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX.
22164         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
22165         *float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
22166         *float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
22167         *float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set
22168         prefix_rex attribute if DImode.
22169         (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64,
22170         *addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
22171         *addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3,
22172         *addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate
22173         attribute to 1 if TYPE_ALU and operand 2 is const128_operand.
22174         (pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64):
22175         Likewise.  For TYPE_IMOV clear length_immediate attribute.
22176         (*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64,
22177         *ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly,
22178         *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp,
22179         *ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
22180         *ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU
22181         or one operand TYPE_ISHIFT.
22182         (*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64,
22183         *ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit,
22184         *ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp,
22185         *ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext,
22186         *ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly,
22187         *ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp,
22188         *ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64,
22189         *lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64,
22190         *lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp,
22191         *lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext,
22192         *lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly,
22193         *lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp,
22194         *lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit,
22195         *rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp,
22196         *rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit,
22197         *rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit,
22198         *rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0,
22199         set mode attribute, don't override length attribute.
22200         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute
22201         to 1.
22202         (return_internal_long): Set length attribute to 2 instead of 1.
22203         (*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64,
22204         *cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear
22205         prefix_rex attribute.
22206         * config/i386/predicates.md (ext_QIreg_operand, const128_operand):
22207         New predicates.
22208         (memory_displacement_only_operand): Always return 0 for TARGET_64BIT.
22210 2009-05-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
22212         * config/arm/thumb2.md (orsi_notsi_si): Fix typo in pattern.
22214 2009-05-20  Ian Lance Taylor  <iant@google.com>
22216         * tree.c (build_tree_list_vec_stat): New function.
22217         (ctor_to_vec): New function.
22218         (build_nt_call_vec): New function.
22219         (build_call_array): Change args to be a const pointer.
22220         (build_call_vec): New function.
22221         * tree.h (build_nt_call_vec): Declare.
22222         (build_tree_list_vec_stat): Declare.
22223         (build_tree_list_vec): Define.
22224         (build_call_array): Update declaration.
22225         (build_call_vec): Declare.
22226         (ctor_to_vec): Declare.
22227         * c-common.c (tree_vector_cache): New static variable.
22228         (make_tree_vector): New function.
22229         (release_tree_vector): New function.
22230         (make_tree_vector_single): New function.
22231         (make_tree_vector_copy): New function.
22232         * c-common.h (tree_vector_cache, make_tree_vector): Declare.
22233         (make_tree_vector_single, make_tree_vector_copy): Declare.
22234         * c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove.
22235         (c_parser_expr_list): Don't manage cache here, instead call
22236         make_tree_vector.
22237         (c_parser_release_expr_list): Remove static function.
22238         (c_parser_vec_to_tree_list): Remove static function.
22239         (c_parser_attributes): Call build_tree_list_vec instead of
22240         c_parser_vec_to_tree_list.  Call release_tree_vector instead of
22241         c_parser_release_expr_list.
22242         (c_parser_postfix_expression_after_primary): Likewise.
22243         (c_parser_objc_keywordexpr): Likewise.
22245 2009-05-20  Sandra Loosemore  <sandra@codesourcery.com>
22247         * doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE,
22248         TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and
22249         TARGET_CONVERT_TO_TYPE.
22250         * hooks.c (hook_tree_const_tree_null): Define.
22251         * hooks.h (hook_tree_const_tree_null): Declare.
22252         * target.h (struct gcc_target):  Add invalid_parameter_type,
22253         invalid_return_type, promoted_type, and convert_to_type fields.
22254         * target-def.h (TARGET_INVALID_PARAMETER_TYPE): Define.
22255         (TARGET_INVALID_RETURN_TYPE): Define.
22256         (TARGET_PROMOTED_TYPE): Define.
22257         (TARGET_CONVERT_TO_TYPE): Define.
22258         (TARGET_INITIALIZER): Update for new fields.
22259         * c-decl.c (grokdeclarator): Check targetm.invalid_return_type.
22260         (grokparms): Check targetm.invalid_parameter_type.
22261         * c-typeck.c (default_conversion): Check targetm.promoted_type.
22262         * c-convert.c (convert): Check targetm.convert_to_type.
22264 2009-05-20  Adam Nemet  <anemet@caviumnetworks.com>
22266         * config/mips/mips.md (*extenddi_truncate<mode>,
22267         *extendsi_truncate<mode>): Emit exts if supported.  Add attribute
22268         defintions.
22269         (*extendhi_truncateqi): New define_insn_and_sptit.
22271 2009-05-20  Jakub Jelinek  <jakub@redhat.com>
22273         PR middle-end/40204
22274         * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
22275         recursion if build_int_cst_type returns the same INTEGER_CST as arg1.
22277 2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>
22279         * fold-const.c (build_fold_addr_expr_with_type): Take the address of
22280         the operand of VIEW_CONVERT_EXPR.
22282 2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>
22284         * config/i386/driver-i386.c (host_detect_local_cpu): Check
22285         extended family and model for Intel processors.  Support Intel Atom.
22287 2009-05-20  Olivier Hainque  <hainque@adacore.com>
22289         * gstab.h (stab_code_type): Define, to be used instead of the
22290         __stab_debug_code enum, made anonymous.  Add 2009 to the copyright
22291         notice.
22292         * dbxout.c (STAB_CODE_TYPE): Remove #define and replace use
22293         occurrences by stab_code_type.
22294         * mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused.
22296 2009-05-20  Martin Jambor  <mjambor@suse.cz>
22298         * tree-flow.h (insert_edge_copies_seq): Undeclare.
22299         (sra_insert_before): Likewise.
22300         (sra_insert_after): Likewise.
22301         (sra_init_cache): Likewise.
22302         (sra_type_can_be_decomposed_p): Likewise.
22303         * tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
22304         * tree-sra.c (sra_type_can_be_decomposed_p): Made static.
22305         (sra_insert_before): Likewise.
22306         (sra_insert_after): Likewise.
22307         (sra_init_cache): Likewise.
22308         (insert_edge_copies_seq): Made static and moved upwards.
22310         * tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
22311         case.
22313         * tree-flow-inline.h (contains_view_convert_expr_p): New function.
22315         * ipa-prop.c (get_ssa_def_if_simple_copy): New function.
22316         (determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
22317         simple copies.
22319 2009-05-20  Richard Guenther  <rguenther@suse.de>
22321         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
22322         with mismatched comparison modes.
22324 2009-05-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
22326         * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM.
22327         (peephole ior (reg, int) -> mov, ior): Refactored for only ARM.
22328         * config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic
22329         with shifts for Thumb2.
22330         (orsi_notsi): New for orn.
22331         (*thumb_orsi_notshiftsi_si): Allow orn with shifts.
22332         (*thumb2_iorsi3): Rewrite support for iorsi for Thumb2.
22333         * config/arm/arm.c (const_ok_for_op): Split case for IOR for Thumb2.
22334         (arm_gen_constant): Set can_invert for IOR and Thumb2, Add comments.
22335         Don't invert remainder for IOR.
22337 2009-05-19  Zdenek Dvorak  <ook@ucw.cz>
22339         PR tree-optimization/40087
22340         * tree-ssa-loop-niter.c (number_of_iterations_ne_max,
22341         number_of_iterations_ne): Rename never_infinite argument.
22342         (number_of_iterations_lt_to_ne, number_of_iterations_lt,
22343         number_of_iterations_le): Handle pointer-type ivs when
22344         exit_must_be_taken is false.
22345         (number_of_iterations_cond):  Do not always assume that
22346         exit_must_be_taken if the control variable is a pointer.
22348 2009-05-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
22350         * c-typeck.c (build_binary_op): Allow % on integal vectors.
22351         * doc/extend.texi (Vector Extension): Document that % is allowed too.
22353 2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>
22355         * config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
22356         ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.
22358 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
22360         PR c/40172
22361         * c.opt (Wlogical-op): Disabled by default.
22362         * c-opt (c_common_post_options): Do not enable Wlogical-op with
22363         Wextra.
22364         * doc/invoke.texi (Wlogical-op): Likewise.
22366 2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>
22368         * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
22369         into CASE_CONVERT.
22370         <PLUS_EXPR>: Strip useless type conversions instead of type nops.
22371         Propagate the type of the first operand.
22372         <ASSERT_EXPR>: Simplify.
22373         (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
22374         Rewrite using the RHS code as discriminant.
22375         <NOP_EXPR>: Turn into CASE_CONVERT.
22376         <PLUS_EXPR>: Propagate the type of the first operand.
22378 2009-05-19  Steve Ellcey  <sje@cup.hp.com>
22380         * config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
22381         (ia64_dconst_0_375): New.
22382         * config/ia64/ia64.c (ia64_override_options): Remove
22383         -minline-sqrt-min-latency warning.
22384         (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
22385         (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
22386         * config/ia64/ia64.md (*sqrt_approx): Remove.
22387         (sqrtsf2): Remove #if 0.
22388         (sqrtsf2_internal_thr): Rewrite and move to div.md.
22389         (sqrtdf): Remove assert.
22390         (sqrtdf2_internal_thr): Rewrite and move to div.md.
22391         (sqrtxf2): Remove #if 0.
22392         (sqrtxf2_internal_thr): Rewrite and move to div.md.
22393         * div.md (sqrt_approx_rf): New.
22394         (sqrtsf2_internal_thr): New implementation.
22395         (sqrtsf2_internal_lat): New.
22396         (sqrtdf2_internal_thr: New implementation.
22397         (sqrtxf2_internal): New implementation.
22399 2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
22400             Hans-Peter Nilsson  <hp@axis.com>
22402         * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
22403         (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
22404         (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
22405         (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
22406         (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
22407         (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
22408         (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
22409         (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
22410         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
22411         (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
22412         * c-common.c: ...from here.
22414 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
22416         * c-common.c (warn_logical_operator): Remove unnecessary conditionals.
22418 2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22420         * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.
22422 2009-05-19  Ben Elliston  <bje@au.ibm.com>
22424         * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
22425         assignments with memcpy calls.
22426         (add_fdes): Likewise.
22427         (binary_search_unencoded_fdes): Likewise.
22428         (linear_search_fdes): Eliminate type puns.
22430 2009-05-19  Richard Guenther  <rguenther@suse.de>
22432         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
22433         not falsely claim to have propagated into all uses.
22435 2009-05-19  Ben Elliston  <bje@au.ibm.com>
22437         * doc/invoke.texi (C Dialect Options): Update OpenMP specification
22438         version to v3.0.
22440 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
22442         * config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
22443         * config/sh/sh.c (sh_legitimate_address_p): Make static.
22444         (TARGET_LEGITIMATE_ADDRESS_P): New.
22445         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
22446         * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
22448 2009-05-18  Dodji Seketeli  <dodji@redhat.com>
22450         PR debug/40109
22451         * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
22452         child of the containing namespace's DIE.
22454 2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>
22456         * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
22457         *zero_extendhi_truncqi):  Move after the zero_extend patterns.
22458         (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
22459         extend patterns.
22461 2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>
22463         PR target/39942
22464         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
22465         gen_align with gen_pad.
22466         (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
22467         #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.
22469         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
22470         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
22472         * config/i386/i386.md (align): Renamed to ...
22473         (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
22474         ASM_OUTPUT_MAX_SKIP_PAD.
22476 2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
22478         * config.gcc: Fix variable syntax.
22480         PR target/39531
22481         * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
22482         before calling exact_log2.
22483         (output_iorsi3): Likewise.
22484         (output_xorsi3): Likewise.
22486 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
22488         * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
22489         for the none zero constant operand except for EQ and NE
22490         comprisons even when the first operand is R0.
22492 2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>
22494         * config/s390/2064.md: Remove trailing whitespaces.
22495         * config/s390/2084.md: Likewise.
22496         * config/s390/constraints.md: Likewise.
22497         * config/s390/fixdfdi.h: Likewise.
22498         * config/s390/libgcc-glibc.ver: Likewise.
22499         * config/s390/s390-modes.def: Likewise.
22500         * config/s390/s390-protos.h: Likewise.
22501         * config/s390/s390.c: Likewise.
22502         * config/s390/s390.h: Likewise.
22503         * config/s390/s390.md: Likewise.
22504         * config/s390/tpf-unwind.h: Likewise.
22506 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
22508         * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.
22510 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
22512         M68K TLS support.
22513         * configure.ac (m68k-*-*): Check if binutils support TLS.
22514         * configure: Regenerate.
22515         * config/m68k/predicates.md (symbolic_operand): Extend comment.
22516         * config/m68k/constraints.md (Cu): New constraint.
22517         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
22518         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
22519         (movsi): Handle TLS symbols.
22520         (addsi3_5200): Handle XTLS symbols, indent.
22521         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
22522         (m68k_tls_reference_p): Declare.
22523         (m68k_legitimize_address): Declare.
22524         (m68k_unwrap_symbol): Declare.
22525         * config/m68k/m68k.opt (mxtls): New option.
22526         * config/m68k/m68k.c (ggc.h): Include.
22527         (m68k_output_dwarf_dtprel): Implement hook.
22528         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
22529         (m68k_expand_prologue): Load GOT pointer when function needs it.
22530         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
22531         (m68k_legitimate_constant_address_p): Same.
22532         (m68k_decompose_address): Handle TLS references.
22533         (m68k_get_gp): New static function.
22534         (enum m68k_reloc): New contants.
22535         (TLS_RELOC_P): New macro.
22536         (m68k_wrap_symbol): New static function.
22537         (m68k_unwrap_symbol): New function.
22538         (m68k_final_prescan_insn_1): New static function.
22539         (m68k_final_prescan_insn): New function.
22540         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
22541         functions.
22542         (legitimize_pic_address): Handle TLS references..
22543         (m68k_tls_get_addr, m68k_get_tls_get_addr)
22544         (m68k_libcall_value_in_a0_p)
22545         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
22546         (m68k_call_m68k_read_tp): Helper variables and functions for ...
22547         (m68k_legitimize_tls_address): Handle TLS references.
22548         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
22549         New functions.
22550         (m68k_legitimize_address): Handle TLS symbols.
22551         (m68k_get_reloc_decoration): New static function.
22552         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
22553         UNSPEC_RELOC32.
22554         (m68k_output_dwarf_dtprel): Implement hook.
22555         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
22556         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
22557         m68k_call_* routines.
22558         (sched_attr_op_type): Handle TLS symbols.
22559         (gt-m68k.h): Include.
22560         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
22561         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
22563 2009-05-18  Martin Jambor  <mjambor@suse.cz>
22565         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
22566         (visit_store_addr_for_mod_analysis): New function.
22567         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
22568         (determine_cst_member_ptr): Use gimple_assign_single_p.
22569         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
22570         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
22571         operands.  Don't check number of operands of a NOP_EXPR.
22573 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
22575         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
22577 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
22579         PR c/40172
22580         * c-common.c (warn_logical_operator): Don't warn if one of
22581         expression isn't always true or false.
22583 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
22585         * config/i386/biarch32.h: New file.
22586         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
22588 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
22590         * config/mips/mips.md (*zero_extend<mode>_trunchi,
22591         *zero_extend<mode>_truncqi): Merge these into ...
22592         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
22593         Name the pattern following this as *zero_extendhi_truncqi.
22595 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
22597         PR middle-end/39301
22598         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
22599         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
22600         (output_info): Make field HOST_WIDEST_INT.
22601         (print_statistics): Use HOST_WIDEST_INT_PRINT.
22602         (dump_bitmat_statistics): Same.
22604 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
22606         * config.gcc (use_gcc_stdint):  Set to wrap.
22607         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
22608         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
22609         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
22610         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
22611         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
22612         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
22613         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
22614         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
22616 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
22618         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
22619         tune_64.
22620         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
22621         Move definitions earlier.
22622         (OPT_ARCH64, OPT_ARCH32): Define.
22623         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
22624         and tune_64.
22626 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
22628         PR target/40153
22629         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
22630         implies.
22632 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
22634         * arm.md (movdi2): Copy non-reg values to DImode registers.
22636 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
22638         PR target/39942
22639         * final.c (label_to_max_skip): New function.
22640         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
22641         CODE_LABEL_NUMBER <= max_labelno.
22642         * output.h (label_to_max_skip): New prototype.
22643         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
22644         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
22645         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
22646         Handle CODE_LABELs with >= 16 byte alignment or with
22647         max_skip == (1 << align) - 1.
22648         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
22649         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
22651         PR target/39942
22652         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
22653         .p2align 3 if MAX_SKIP is smaller than 7.
22654         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
22656 2009-05-15  Ian Lance Taylor  <iant@google.com>
22658         * alias.c (struct alias_set_entry_d): Rename from struct
22659         alias_set_entry.  Change all uses.
22660         * except.c (struct call_site_record_d): Rename from struct
22661         call_site_record.  Change all uses.
22662         * except.h (struct eh_region_d): Rename from struct eh_region.
22663         Change all uses.
22664         * gcse.c (struct hash_table_d): Rename from struct hash_table.
22665         Change all uses.
22666         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
22667         ivtype_map_elt.  Change all uses.
22668         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
22669         Change all uses.
22670         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
22671         * graphite.h (struct name_tree_d): Rename from struct name_tree.
22672         Change all uses.
22673         (struct sese_d): Rename from struct sese.  Change all uses.
22674         * omega.h (struct eqn_d): Rename from struct eqn.  Change all uses.
22675         (struct omega_pb_d): Rename from struct omega_pb.  Change all uses.
22676         * optabs.h (struct optab_d): Rename from struct optab.  Change all
22677         uses.
22678         (struct convert_optab_d): Rename from struct convert_optab.
22679         Change all uses.
22680         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
22681         ipa_opt_pass.  Change all uses.
22682         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
22683         all uses.
22685         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
22686         defined as a typedef.
22687         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
22688         defined as a tag.
22690 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
22692         PR 16302
22693         * fold-const.c (make_range,build_range_check,merge_ranges): Move
22694         declaration to...
22695         (merge_ranges): Returns bool.
22696         * tree.h (make_range): .. to here.
22697         (build_range_check): Likewise.
22698         (merge_ranges): Likewise. Renamed from merge_ranges.
22699         * c-typeck.c (parser_build_binary_op): Update calls to
22700         warn_logical_operator.
22701         * c-common.c (warn_logical_operator): Add new warning.
22702         * c-common.h (warn_logical_operator): Update declaration.
22704 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
22706         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong conditional.
22708 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22710         * doc/install.texi: Document MPC requirements, flags etc.
22712         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
22713         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
22714         Evaluate constant arguments.
22715         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
22716         (fold_builtin_1): Likewise, also evaluate constant arguments.
22717         Remove superfluous break.
22718         (do_mpc_ckconv): New.
22719         * real.h: Include mpc.h.
22720         * toplev.c (print_version): Output MPC version info if available.
22722 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
22724         * fold-const.c (fold_convert_const_real_from_real): Check for overflow.
22726 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
22728         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
22729         only once.
22731 2009-05-15  Jan Hubicka  <jh@suse.cz>
22733         * doc/invoke.texi (max-early-inliner-iterations): New flag.
22734         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
22735         (try_inline): Fix return value.
22736         (cgraph_decide_inlining_incrementally): Honor new value.
22737         (cgraph_early_inlining): Handle indirect inlining.
22738         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
22740 2009-05-15  Jan Hubicka  <jh@suse.cz>
22742         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
22743         * cgraphunit.c (cgraph_finalize_function): Set it.
22744         (cgraph_expand_function): Use it.
22746 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
22748         * real.c (encode_ieee_half): Define.
22749         (decode_ieee_half): Define.
22750         (ieee_half_format): Define.
22751         (arm_half_format): Define.
22752         * real.h (ieee_half_format): Declare.
22753         (arm_half_format): Declare.
22755 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
22757         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
22758         swapped, and reversed optabs exist before trying to use them.
22760 2009-05-15  Paul Brook  <paul@codesourcery.com>
22761             Sandra Loosemore  <sandra@codesourcery.com>
22763         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
22764         loads.  Allow PRE_DEC.
22765         (output_move_neon): Handle PRE_DEC.
22766         (arm_print_operand): Add 'A' for neon structure loads.
22767         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
22768         * config/arm/neon.md (neon_mov): Update comment.
22769         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
22770         calls.
22771         (Um): New constraint.
22773 2009-05-15  Jan Hubicka  <jh@suse.cz>
22775         Revert the following patch until testsuite fallout is fixed:
22776         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
22777         * cgraph.h (struct inline_summary): New filed self_wize,
22778         size_inlining_benefit, self_time and time_inlining_benefit.
22779         (struct cgraph_global_info): Replace insns by time ans size fields.
22780         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
22781         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
22782         (ipcp_update_callgraph): Do not touch function bodies.
22783         * ipa-inline.c: Include except.h
22784         (MAX_TIME): New constant.
22785         (overall_insns): Remove
22786         (overall_size, max_benefit): New static variables.
22787         (cgraph_estimate_time_after_inlining): New function.
22788         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
22789         (cgraph_clone_inlined_nodes): Update size.
22790         (cgraph_mark_inline_edge): Update size.
22791         (cgraph_estimate_growth): Use size info.
22792         (cgraph_check_inline_limits): Check size.
22793         (cgraph_default_inline_p): Likewise.
22794         (cgraph_edge_badness): Compute badness based on benefit and size cost.
22795         (cgraph_decide_recursive_inlining): Check size.
22796         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
22797         and times.
22798         (cgraph_decide_inlining): Likewise.
22799         (cgraph_decide_inlining_incrementally): Likewise; honor
22800         PARAM_EARLY_INLINING_INSNS.
22801         (likely_eliminated_by_inlining_p): New predicate.
22802         (estimate_function_body_sizes): New function.
22803         (compute_inline_parameters): Use it.
22804         * except.c (must_not_throw_labels): New function.
22805         * except.h (must_not_throw_labels): Declare.
22806         * tree-inline.c (init_inline_once): Kill inlining_weigths
22807         * tree-ssa-structalias.c: Avoid uninitialized warning.
22808         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
22809         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
22810         (PARAM_INLINE_CALL_COST): Remove.
22811         (PARAM_EARLY_INLINING_INSNS): New.
22813 2009-05-15  Richard Guenther  <rguenther@suse.de>
22815         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
22816         not TODO_update_ssa.
22818 2009-05-15  Richard Guenther  <rguenther@suse.de>
22820         PR tree-optimization/39999
22821         * gimple.h (gimple_expr_type): Use the expression type looking
22822         through useless conversions.
22823         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
22824         (vn_nary_op_insert_stmt): Likewise.
22825         (simplify_binary_expression): Likewise.
22827 2009-05-15  Richard Guenther  <rguenther@suse.de>
22829         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
22830         New options, enabled by default.
22831         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
22832         Document.
22833         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
22834         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
22835         * tree-ssa-structalias.c (gate_tree_pta): New function.
22836         (pass_build_alias): Use it.
22838 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
22840         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
22841         recurse on an invariant address if a conversion from a pointer
22842         type to a wider integer type is involved.
22844 2009-05-15  Jan Hubicka  <jh@suse.cz>
22846         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
22847         * cgraph.h (struct inline_summary): New filed self_wize,
22848         size_inlining_benefit, self_time and time_inlining_benefit.
22849         (struct cgraph_global_info): Replace insns by time ans size fields.
22850         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
22851         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
22852         (ipcp_update_callgraph): Do not touch function bodies.
22853         * ipa-inline.c: Include except.h
22854         (MAX_TIME): New constant.
22855         (overall_insns): Remove
22856         (overall_size, max_benefit): New static variables.
22857         (cgraph_estimate_time_after_inlining): New function.
22858         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
22859         (cgraph_clone_inlined_nodes): Update size.
22860         (cgraph_mark_inline_edge): Update size.
22861         (cgraph_estimate_growth): Use size info.
22862         (cgraph_check_inline_limits): Check size.
22863         (cgraph_default_inline_p): Likewise.
22864         (cgraph_edge_badness): Compute badness based on benefit and size cost.
22865         (cgraph_decide_recursive_inlining): Check size.
22866         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
22867         and times.
22868         (cgraph_decide_inlining): Likewise.
22869         (cgraph_decide_inlining_incrementally): Likewise; honor
22870         PARAM_EARLY_INLINING_INSNS.
22871         (likely_eliminated_by_inlining_p): New predicate.
22872         (estimate_function_body_sizes): New function.
22873         (compute_inline_parameters): Use it.
22874         * except.c (must_not_throw_labels): New function.
22875         * except.h (must_not_throw_labels): Declare.
22876         * tree-inline.c (init_inline_once): Kill inlining_weigths
22877         * tree-ssa-structalias.c: Avoid uninitialized warning.
22878         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
22879         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
22880         (PARAM_INLINE_CALL_COST): Remove.
22881         (PARAM_EARLY_INLINING_INSNS): New.
22882         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
22883         (inline-call-cost): Remove.
22884         (early-inlining-insns): New.
22886 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
22888         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
22889         for bounds.
22890         (print_int_cst_bounds_in_octal_p): Likewise.
22891         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
22892         with subtypes.
22893         * dwarf2out.c (base_type_die): Likewise.
22894         (is_subrange_type): Delete.
22895         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
22896         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
22897         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it
22898         if the destination type is boolean.
22899         (build_range_check): Do not special-case subtypes.
22900         (fold_sign_changed_comparison): Likewise.
22901         (fold_unary): Likewise.
22902         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
22903         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
22904         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
22905         * tree.c (subrange_type_for_debug_p): New predicate based on the
22906         former is_subrange_type.
22907         * tree.h (subrange_type_for_debug_p): Declare.
22908         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
22909         (convert_affine_scev): Remove call to above function.
22910         (chrec_convert_aggressive): Likewise.
22911         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
22912         false for conversions involving subtypes.
22913         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
22914         (vrp_val_min): Likewise.
22915         (needs_overflow_infinity): Likewise.
22916         (extract_range_from_unary_expr): Likewise.
22918 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
22920         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
22921         * config/frv/frv.c: Likewise.
22922         * config/s390/s390.c: Likewise.
22923         * config/sparc/sparc.h: Likewise.
22924         * config/i386/i386.h: Likewise.
22925         * config/i386/i386.c: Likewise.
22926         * config/crx/crx.c: Likewise.
22927         * config/m68hc11/m68hc11.h: Likewise.
22928         * config/iq2000/iq2000.c: Likewise.
22929         * config/mn10300/mn10300.h: Likewise.
22930         * config/mn10300/mn10300.c: Likewise.
22931         * config/m68k/m68k.c: Likewise.
22932         * config/rs6000/rs6000.c: Likewise.
22933         * config/rs6000/xcoff.h: Likewise.
22934         * config/rs6000/linux64.h: Likewise.
22935         * config/rs6000/sysv4.h: Likewise.
22936         * config/score/score3.c: Likewise.
22937         * config/score/score7.c: Likewise.
22938         * config/score/score.c: Likewise.
22939         * config/arm/arm.md: Likewise.
22940         * config/mips/mips.c: Likewise.
22941         * config/mips/mips.md: Likewise.
22942         * config/bfin/bfin.h: Likewise.
22943         * config/pa/pa.c: Likewise.
22944         * config/pa/constraints.md: Likewise.
22946         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
22947         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
22948         * config/pdp11/pdp11.h: Use memory_address_p instead.
22950 2009-05-14  Ian Lance Taylor  <iant@google.com>
22952         * passes.c (finish_optimization_passes): Change i to int.
22953         * plugin.c (plugins_active_p): Change event to int.
22954         (dump_active_plugins): Likewise.
22955         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
22956         Add cast.
22957         * tree.c (tree_range_check_failed): Change c to unsigned int.
22958         (omp_clause_range_check_failed): Likewise.
22959         (build_common_builtin_nodes): Change mode to int.  Add cast.
22960         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
22961         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
22963         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
22964         ++ or -- with a variable of enum type.
22966 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
22968         PR driver/40144
22969         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
22971 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
22973         * store-motion.c: Do not include params.h
22974         * Makefile.in: Fix dependencies for various files.
22976 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
22978         * auto-inc-dec.c: Fix pass description, remove apparent
22979         accidental duplication.
22981 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
22983         PR middle-end/40147
22984         * ipa-utils.h (memory_identifier_string): Moved to ...
22985         * tree.h (memory_identifier_string): Here.  Add GTY(()).
22987 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
22989         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
22990         in the former documentation of...
22991         (GO_IF_LEGITIMATE_ADDRESS): ... this.
22992         * ira-conflicts.c (get_dup_num): Use address_operand.
22993         * targhooks.c (default_legitimate_address_p): New.
22994         * targhooks.h (default_legitimate_address_p): New.
22995         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
22996         Call hook.
22997         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
22998         * target.h (struct target): Add legitimate_address_p.
22999         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
23000         (TARGET_INITIALIZER): Include it.
23002         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23003         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
23004         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
23005         (TARGET_LEGITIMATE_ADDRESS_P): New.
23007         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23008         (REG_OK_STRICT_P): Delete.
23009         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
23010         (frv_legitimate_address_p_1): ... this.
23011         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
23012         (frv_legitimate_address_p_1): ... the renamed old
23013         frv_legitimate_address_p.
23014         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
23015         (TARGET_LEGITIMATE_ADDRESS_P): New.
23017         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23018         * config/s390/s390-protos.h (legitimate_address_p): Remove.
23019         * config/s390/s390.c (legitimate_address_p): Rename to...
23020         (s390_legitimate_address_p): ... this, make static.
23021         (legitimize_address): Adjust call.
23022         (TARGET_LEGITIMATE_ADDRESS_P): New.
23023         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
23025         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23026         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
23027         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
23028         (TARGET_LEGITIMATE_ADDRESS_P): New.
23030         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23031         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
23032         * config/spu/spu.c (spu_legitimate_address): Rename to...
23033         (spu_legitimate_address_p): ... this, make static.
23034         (TARGET_LEGITIMATE_ADDRESS_P): New.
23036         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23037         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
23038         * config/sparc/sparc.c (legitimate_address_p): Rename to...
23039         (sparc_legitimate_address_p): ... this, make static and return bool.
23040         (legitimize_address): Adjust call.
23041         (TARGET_LEGITIMATE_ADDRESS_P): New.
23043         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23044         * config/i386/i386-protos.h (legitimate_address_p): Remove.
23045         * config/i386/i386.c (legitimate_address_p): Rename to...
23046         (ix86_legitimate_address_p): ... this, make static.
23047         (constant_address_p): Move after it, adjust call.
23048         (TARGET_LEGITIMATE_ADDRESS_P): New.
23050         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23051         * config/avr/avr-protos.h (legitimate_address_p): Remove.
23052         * config/avr/avr.c (legitimate_address_p): Rename to...
23053         (avr_legitimate_address_p): ... this, make static.
23054         (legitimize_address): Adjust call.
23055         (TARGET_LEGITIMATE_ADDRESS_P): New.
23057         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23058         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
23059         * config/crx/crx.c (crx_legitimate_address_p): Make static.
23060         (TARGET_LEGITIMATE_ADDRESS_P): New.
23062         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23063         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
23064         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
23065         (TARGET_LEGITIMATE_ADDRESS_P): New.
23067         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23068         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
23069         Remove.
23070         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
23071         Make static.
23072         (TARGET_LEGITIMATE_ADDRESS_P): New.
23074         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23075         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
23076         Remove.
23077         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
23078         Rename to...
23079         (m68hc11_legitimate_address_p): ... this, make static.
23080         (go_if_legitimate_address_internal): Rename to...
23081         (m68hc11_legitimate_address_p_1): ... this.
23082         (legitimize_address): Adjust call.
23083         (TARGET_LEGITIMATE_ADDRESS_P): New.
23085         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23086         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p): Remove.
23087         * config/iq2000/iq2000.c (iq2000_legitimate_address_p): Make static.
23088         (TARGET_LEGITIMATE_ADDRESS_P): New.
23090         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23091         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
23092         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
23093         (mn10300_legitimate_address_p): ... this, make static.
23094         (TARGET_LEGITIMATE_ADDRESS_P): New.
23096         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23097         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
23098         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
23099         (TARGET_LEGITIMATE_ADDRESS_P): New.
23101         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23102         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
23103         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
23104         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23105         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
23106         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
23107         (rs6000_legitimate_address_p): ... this, make static.
23108         (TARGET_LEGITIMATE_ADDRESS_P): New.
23109         (REG_MODE_OK_FOR_BASE_P): Delete.
23110         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
23112         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23113         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
23114         Delete.
23115         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
23116         static, adjust types.
23117         (TARGET_LEGITIMATE_ADDRESS_P): New.
23119         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23120         * config/score/score.c (score_address_p): Rename to...
23121         (score_legitimate_address_p): ... this.
23122         (TARGET_LEGITIMATE_ADDRESS_P): New.
23123         * config/score/score3.c (score3_address_p): Rename to...
23124         (score3_legitimate_address_p): ... this.
23125         * config/score/score7.c (score7_address_p): Rename to...
23126         (score7_legitimate_address_p): ... this.
23128         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
23129         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
23130         GO_IF_LEGITIMATE_ADDRESS): Delete.
23131         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
23132         thumb2_legitimate_address_p): Delete.
23133         (arm_legitimate_address_p): Rename to...
23134         (arm_legitimate_address_outer_p): ... this.
23135         * config/arm/constraints.md ("Uq"): Adjust call.
23136         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
23137         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one
23138         to...
23139         (arm_legitimate_address_outer_p): ... this.
23140         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make
23141         static.
23142         (TARGET_LEGITIMATE_ADDRESS_P): New.
23144         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23145         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
23146         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
23147         (TARGET_LEGITIMATE_ADDRESS_P): New.
23149         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23150         * config/vax/vax-protos.h (legitimate_address_p): Remove.
23151         * config/vax/vax.c (legitimate_address_p): Rename to...
23152         (vax_legitimate_address_p): ... this, make static.
23153         (TARGET_LEGITIMATE_ADDRESS_P): New.
23155         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23156         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
23157         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
23158         (TARGET_LEGITIMATE_ADDRESS_P): New.
23160         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23161         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
23162         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
23163         (mmix_legitimate_address_p): ... this, make static.
23164         (TARGET_LEGITIMATE_ADDRESS_P): New.
23166         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
23167         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
23168         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
23169         (TARGET_LEGITIMATE_ADDRESS_P): New.
23171 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
23173         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
23174         of MODE_COMPLEX_INT.
23176 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
23178         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
23179         LCT_NORMAL in function call.
23180         * mips-tdump.c (print_file_desc): Add cast to enum type.
23181         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
23182         (mark_stabs): Add casts to enum types.
23183         (parse_stabs_common): Add casts to enum types.
23185 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
23187         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
23188         Check for invalid values of LETTER.
23190 2009-05-13  Taras Glek  <tglek@mozilla.com>
23192         * attribs.c (register_attribute): moved out attribute registration
23193         into register_attribute.
23194         * doc/plugins.texi: Documented register_attribute and
23195         PLUGIN_ATTRIBUTES.
23196         * gcc-plugin.h: Added forward decl for register_attribute.
23197         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
23198         * plugin.c (register_callback, invoke_plugin_callbacks): Added
23199         PLUGIN_ATTRIBUTES boilerplate.
23201 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
23203         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
23204         values even in sentinel and empty entries.
23205         (ms_printf_flag_specs):  Likewise.
23206         (ms_scanf_flag_specs):  Likewise.
23207         (ms_strftime_flag_specs):  Likewise.
23208         (ms_print_char_table):  Likewise.
23209         (ms_scan_char_table):  Likewise.
23210         (ms_time_char_table):  Likewise.
23212 2009-05-13  Doug Kwan  <dougkwan@google.com>
23214         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
23216 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
23218         * config/mips/mips.md (store): Add attributes for QI and HI.
23219         Update comment.
23220         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
23221         (truncdi<mode>2): ... this new pattern.
23223 2009-05-13  Brad Hards  <bradh@kde.org>
23225         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
23227 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
23228             Ben Elliston <bje@au.ibm.com>
23230         PR middle-end/40035
23231         * dse.c (check_mem_read_rtx): Guard against width == -1.
23233 2009-05-13  Michael Matz  <matz@suse.de>
23235         PR middle-end/39976
23236         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
23237         (trivially_conflicts_p): New function.
23238         (insert_backedge_copies): Use it.
23240 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
23242         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
23243         (handle_stdc_pragma): Use new enum constant names.
23244         (handle_pragma_float_const_decimal64): Ditto.
23246 2009-05-13  Ian Lance Taylor  <iant@google.com>
23248         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
23249         tree.def.
23251 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
23253         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
23254         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
23255         multilibs.
23256         * config/m68k/m68k.h (FL_UCLINUX): Define.
23258 2009-05-13  Jan Hubicka  <jh@suse.cz>
23260         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
23262 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
23264         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
23265         unless -fschedule-insns is specified.
23267 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
23269         PR target/39561
23270         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
23271         TARGET_EXPAND_CBRANCHDI4.
23272         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
23273         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
23274         (cmpeqdi): Fix comment.
23276 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
23278         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
23279         (sh_legitimate_address_p): Likewise.
23280         * config/sh/sh.c (sh_legitimate_index_p): New.
23281         (sh_legitimate_address_p): Likewise.
23282         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
23283         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
23284         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
23285         (MAYBE_BASE_REGISTER_RTX_P): New macro.
23286         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
23287         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
23288         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
23289         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
23290         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
23292 2009-05-12  Jan Hubicka  <jh@suse.cz>
23294         * tree-inline.c (estimate_operator_cost): Add operands;
23295         when division happens by constant, it is cheap.
23296         (estimate_num_insns): Loads and stores are not having cost of 0;
23297         EH magic stuff is cheap; when computing runtime cost of switch,
23298         use log2 base of amount of its cases; builtin_expect has cost of 0;
23299         compute cost for moving return value of call.
23300         (init_inline_once): Initialize time_based flags.
23301         * tree-inline.h (eni_weights_d): Add time_based flag.
23303 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
23305         * df-core.c: Update head documentation.
23307 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
23309         PR bootstrap/40118
23310         * rs6000.c (rs6000_generate_compare): Use op1b instead of
23311         shadowing exisiting variable op1.
23313 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
23315         PR target/37179
23316         * config/i386/driver-i386.c (processor_signatures): New enum.
23317         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
23318         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
23319         processor signature to detect geode processor.
23321 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
23323         Revert:
23325         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
23327         * optabs.c (prepare_cmp_insn): Temporarily disable test that
23328         causes spurious differences between trunk and cond-optab branch.
23330 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
23332         * dojump.c (compare_from_rtx): Delete.
23333         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
23334         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
23335         if the comparison does not satisfy the predicate; test predicates for
23336         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
23337         further if one existing pattern fails.
23338         * expr.h (compare_from_rtx): Delete.
23339         (prepare_operand): Declare it.
23340         * optabs.c: Change "lib call" to "libcall" throughout.
23341         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
23342         HAVE_conditional_trap, emit_cmp_insn): Delete.
23343         (can_compare_p): Delete cmp_optab case.
23344         (prepare_float_lib_cmp): Return an rtx and a machine mode.
23345         Accept other parameters by value.
23346         (prepare_operand): Make non-static.
23347         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
23348         other parameters by value.  Try to widen operands here based on
23349         an optab_methods argument and looking at cbranch_optab.
23350         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
23351         loop.  Use cbranch_optab directly.
23352         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
23353         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
23354         assertion.
23355         (emit_conditional_move, emit_conditional_add): Inline what's needed
23356         of compare_from_rtx, using new prepare_cmp_insn for the rest.
23357         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
23358         with COMPARE.  Move cmov_optab and cstore_optab above
23359         with cbranch_optab, move cmp_optab down with ucmp_optab,
23360         remove tst_otpab.  Do not initialize trap_rtx.
23361         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
23362         for trap code.  Do not check HAVE_conditional_trap.  Use
23363         prepare_cmp_insn.  Accept no predicate for operand 3.
23364         * optabs.h (OTI_cmp): Mark as used only for libcalls.
23365         (OTI_ctrap, ctrap_optab): New.
23366         (tst_optab): Delete.
23367         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
23368         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
23369         with lookup of ctrap_optab.
23370         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn, setcc_gen_code):
23371         Delete.
23372         (ctrap_optab): New.
23374         * combine.c (combine_simplify_rtx, simplify_set): Do not
23375         special case comparing against zero for cc0 machines.
23376         * simplify-rtx.c (simplify_binary_operation_1): Never remove
23377         COMPARE on cc0 machines.
23378         (simplify_relational_operation): Return a new expression when
23379         a COMPARE could be removed.
23380         * final.c (final_scan_insn): Compare cc_status values
23381         against LHS of a (compare FOO (const_int 0)) cc0 source.
23382         Also check if cc_status.value is the full compare.
23384         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
23385         (cstoreMM4): Document.
23386         (conditional_trap): Document ctrapMM4 instead.
23387         (sync_compare_and_swapMM): Refer to cbranchcc4.
23388         (Dependent Patterns): Eliminate obsolete information referring to
23389         the old jump optimization phase.
23390         (Canonicalization): Include cbranchcc4 case, omit canonicalization
23391         of compares with 0 on cc0 machines.
23392         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
23393         avoiding references to cc0.  Remove text about storing operands
23394         in cmpMM.
23395         * doc/tm.texi (Condition Codes): Include blurb on different
23396         condition code representations, separate into subsections for
23397         CC0, MODE_CC and conditional execution.
23399         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
23400         alpha_emit_setcc): Accept operands and a machine mode.
23401         * config/alpha/alpha.c (alpha_emit_conditional_branch):
23402         Get code/op0/op1 from operands, use machine mode argument
23403         instead of alpha_compare.fp_p.  Emit the branch here.
23404         (alpha_emit_setcc): Likewise, and return boolean.
23405         (alpha_emit_conditional_move): Likewise.  Assert that
23406         cmp_op_mode == cmp_mode, and simplify accordingly.
23407         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
23408         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
23409         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
23410         Delete.
23411         (stack probe test): Use cbranchdi4.
23412         * config/alpha/predicates.md (alpha_cbranch_operator): New.
23414         * config/arc/arc.c (gen_compare_reg): Do not emit cmp.
23415         * config/arc/arc.h (movsicc, movsfcc): Use it.
23416         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
23417         (cbranchsi4, cstoresi4): New.
23418         (cmpsi, bCC and sCC expanders): Remove.
23420         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
23421         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
23422         * config/arm/predicates.md (arm_comparison_operator): Only include
23423         floating-point operators if there is a hardware floating-point unit.
23424         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
23425         deferring to cbranch_cc and cstore_cc respectively.
23426         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
23427         cbranch_cc, cstore_cc): New.
23428         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
23429         arm_compare_op1.
23430         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
23432         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
23433         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
23434         as an argument.
23435         (adjust_insn_length): Adjust calls.
23436         (avr_reorg): Handle (compare (foo) (const_int 0)).
23437         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
23438         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
23439         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
23440         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
23441         (bCC): Remove.
23442         (cbranchqi4, cbranchhi4, cbranchsi4): New.
23443         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
23445         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
23446         (cbranchsi4, cstorebi4, cstoresi4): New.
23447         (movbisi): This insn is duplicate, split it to zero_extend.
23448         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
23449         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
23450         (bfin_optimize_loop): Use cbranch expander.
23451         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
23452         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
23453         (bfin_bimode_comparison_operator): ... this.
23454         (bfin_direct_comparison_operator): New.
23456         * config/cris/cris.c (cris_normal_notice_update_cc): Look
23457         inside (compare FOO (const_int 0)).
23458         (cris_rtx_costs): Handle ZERO_EXTRACT.
23459         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
23460         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
23461         (*tstdi_v32): Delete.
23462         (*cmpdi_non_v32): Add M alternative for operand 1.
23463         (cmpsi, cmp<mode>): Make private.
23464         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
23465         with COMPARE.
23466         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
23468         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
23469         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
23470         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
23471         (cc_reg_operand): New.
23472         (any_cond): Delete.
23473         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
23474         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
23475         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
23476         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
23477         crx_expand_scond): Delete.
23479         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
23480         (cbranchsi4): New.
23481         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
23482         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
23484         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
23485         cstoresi4, cstoresf4, cstoredf4): New.
23486         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
23487         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
23488         Receive the entire operands array.
23489         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
23490         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
23491         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
23492         Get test/op0/op1 from the operands array.
23493         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
23495         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
23496         (h8300_expand_store): New.
23497         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
23498         (const_int 0)).
23499         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
23500         (h8300_expand_store): New.
23501         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
23502         or do not try to produce (set (cc0) REG).
23503         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
23504         change a compare into a move to a scratch register.  Disable some
23505         peepholes when comparing with zero.
23506         (tstsi, tsthi, tstsi, cmpqi): Make private.
23507         (cmphi): Delete.
23508         (bCC, sCC): Delete.
23509         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
23510         cstoresi4): New.
23512         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
23513         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
23514         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
23515         (ix86_emit_i387_log1p): Use cbranchxf2.
23516         (ix86_expand_setcc): Return void.
23517         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
23518         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
23519         cmp<MODEF>, cmpcc): Remove.
23520         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
23521         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
23522         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
23523         (sCC and bCC expanders): Remove.
23524         (stack_protect_test): Use cbranchcc4.
23526         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
23527         Delete.
23528         (ia64_expand_compare): Accept three rtx by reference and return void.
23529         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
23530         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
23531         from *expr.  Update *expr with the BImode comparison to do.
23532         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
23533         cmptf, bCC, sCC, conditional_trap): Delete.
23534         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4,
23535         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
23536         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
23537         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
23538         * config/ia64/predicates.md (ia64_cbranch_operator): New.
23540         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
23541         type of last argument.
23542         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
23543         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
23544         use machine mode argument instead of branch_type.  Remove dead
23545         code for floating-point comparisons.
23546         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
23547         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
23548         Remove.
23549         (cbranchsi4, cstoresi4): New.
23550         * config/iq2000/predicates.md (reg_or_const_operand): New.
23552         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
23553         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
23554         (b<code>_op): Rewrite to...
23555         (bcc_op): ... this, using match_operator.
23556         (s<code>_op): Rewrite to...
23557         (scc_op): ... this, using match_operator.
23558         (s<code>_24_op): Rewrite to...
23559         (scc_op_24): ... this, using match_operator.
23560         (s<code>_<mode>): Rewrite to...
23561         (cstore<mode>4): ... this, using match_operator.
23562         (s<code>_<mode>_24): Rewrite to...
23563         (cstore<mode>4_24): ... this, using match_operator.
23564         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
23565         m32c_unpend_compare, m32c_expand_scc): Delete.
23566         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
23567         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
23568         (m32c_expand_movcc): Change NE to EQ if necessary.
23569         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
23571         * config/m32r/m32r-protos.h (gen_cond_store): New.
23572         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
23573         (gen_cond_store): New, from sCC patterns.
23574         (m32r_expand_block_move): Use cbranchsi4.
23575         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
23576         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
23577         (cbranchsi4, cstoresi4): New.
23579         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
23580         Delete.
23581         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
23582         (m68hc11_notice_update_cc): Look into a compare with 0.
23583         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
23584         Delete.
23585         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
23586         cmphi, cmpqi, bCC): Delete.
23587         (cbranchsi4, cbranchhi4, cbranchqi4): New.
23588         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
23589         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
23590         sets with COMPARE.
23592         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
23593         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
23594         * config/m68k/constraints.md (H): New.
23595         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
23596         the define_insn below.
23597         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
23598         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
23599         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
23600         patterns): Wrap RHS with COMPARE.
23601         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
23602         (*cmpdi_internal): Name this pattern.
23603         (cmpdi): Change to define_insn.
23604         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
23605         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
23606         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
23607         predicate.
23608         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
23609         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
23610         (conditional_trap): Change to...
23611         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
23612         (*conditional_trap): Use the ordered_comparison_operator and
23613         const1_operand predicates.
23614         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
23615         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
23616         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
23617         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
23619         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
23620         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
23621         (mcore_gen_compare): New.
23622         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
23623         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
23624         (mcore_gen_compare): ... this.
23625         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
23626         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
23627         (stack probe pattern): Use cbranchsi4.
23629         * config/mips/predicates.md (mips_cstore_operator): New.
23630         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
23631         * config/mips/mips.md (any_cond): Delete.
23632         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
23633         always succeed.
23634         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
23635         fixuns_truncsfdi2): Use cbranch patterns.
23636         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete.
23637         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
23638         Adjust call to mips_expand_conditional_branch.
23639         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
23640         cstore<GPR:mode>4.
23641         * config/mips/mips-protos.h (mips_expand_conditional_branch,
23642         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
23643         * config/mips/mips.c (cmp_operands): Delete.
23644         (mips_emit_compare): Get comparison operands from *op0/*op1.
23645         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
23646         that it succeeds.  Use op0/op1 instead of cmp_operands.
23647         (mips_expand_conditional_branch, mips_expand_conditional_move,
23648         mips_expand_conditional_trap): Likewise.
23649         (mips_block_move_loop): Use cbranch patterns.
23650         * config/mips/mips.h (cmp_operands): Delete.
23652         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
23653         (mmix_gen_compare_reg): Just return a register in the right CC mode.
23654         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
23655         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
23656         (*cmpcc_folded): Rename to...
23657         (*cmpdi_folded): this.
23658         (*cmpcc): Rename to...
23659         (*cmps): ... this.
23660         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
23661         (bCC): Remove.
23662         (cbranchdi4): New.
23663         (cbranchdf4): New.  Handle invalid comparisons here.
23664         * config/mmix/predicates.md (float_comparison_operator): New.
23666         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
23667         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
23668         * config/mn10300/mn10300.md (tst): Delete.
23669         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
23670         Name these patterns and wrap RHS in a compare.
23671         (*cmpsi): Make this pattern private.  Include tst.
23672         (*cmpsf): Make this pattern private.
23673         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
23674         (compare with zero peepholes): Likewise.
23675         (bCC): Remove.
23676         (cbranchsi4, cbranchsf4): New.
23677         (casesi): Use cbranchsi4.
23679         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
23680         hppa_branch_type): Delete.
23681         (return_addr_rtx): Use cbranchsi4.
23682         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
23683         Emit CCFPmode comparison here.
23684         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
23685         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
23686         hppa_branch_type): Delete.
23687         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
23688         (movsicc, movdicc): Remove references to hppa_compare_op0,
23689         hppa_compare_op1 and compare_from_rtx.
23690         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
23691         (casesi): Use cbranchsi4.
23693         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
23694         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
23695         * config/pdp11/pdp11.md (register_or_const0_operand): New.
23696         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
23697         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
23698         (bCC): Delete.
23699         (cbranchdf4, cbranchhi4, cbranchqi4): New.
23700         (*branch, *branch_inverted): New.
23702         * config/picochip/picochip.md (cbranchhi4): Use
23703         ordered_comparison_operator.
23704         (cmphi, bCC): Remove.
23706         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
23707         (trap_comparison_operator): Delete.
23708         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
23709         rs6000_emit_cbranch): Accept mode and operands.
23710         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
23711         rs6000_compare_fp_p): Delete.
23712         (rs6000_generate_compare): Accept mode and comparison.  Extract code
23713         and op0/op1 from there.  Replace references to rs6000_compare_op0
23714         and rs6000_compare_op1.
23715         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
23716         extract result from passed operands.
23717         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
23718         extract loc from passed operands.
23719         (rs6000_emit_cmove): Likewise.
23720         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
23721         rs6000_compare_fp_p): Delete.
23722         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
23723         (cbranch<GPR>4, cbranch<FP>4): New.
23724         (cstore<mode>4): New.  Consolidate here all choices about when to use
23725         portable or specialized sCC sequences.
23726         (stack_protect_test): Use cbranchsi4.
23727         (conditional_trap): Replace with ctrap<GPR>4.
23728         (conditional trap insn): Replace trap_comparison_operator with
23729         ordered_comparison_operator.
23731         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
23732         (s390_emit_prologue): Use ctrap.
23733         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
23734         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
23735         New predicates replacing...
23736         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
23737         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
23738         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
23739         (add<mode>cc): Do not use s390_compare_op0/op1.
23740         (s<code>): Change to...
23741         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
23742         (seq): Change to...
23743         (cstorecc4): ... this.  Handle EQ or NE equally.
23744         (*sne): Un-privatize for use in cstorecc4.
23745         (b<code>): Change to...
23746         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
23747         (conditional_trap): Replace with...
23748         (ctrap<GPR>4, ctrap<FP>4): ... these.
23749         (stack_protect): Use cbranchcc4.
23751         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
23752         * config/score/score-protos.h (score_gen_cmp): Delete.
23753         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
23754         (score_block_move-loop): Use cbranchsi4.
23755         * config/score/score.md (cbranchsi4): New.
23756         (cmpsi, bCC): Delete.
23757         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
23758         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
23759         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
23760         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
23761         * config/score/score3.h (score3_gen_cmp): Delete.
23762         * config/score/score7.h (score7_gen_cmp): Delete.
23764         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
23765         (sh_emit_scc_to_t): ... this.  Return void.
23766         (from_compare): Rename to...
23767         (sh_emit_compare_and_branch): ... this.
23768         (sh_emit_compare_and_set): New.
23769         (sh_expand_t_scc): Accept operands.
23770         * config/sh/predicates.md (sh_float_comparison_operator): New.
23771         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
23772         (prepare_scc_operands): Rename to...
23773         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
23774         arguments.
23775         (sh_emit_cheap_store_flag): New.
23776         (sh_emit_set_t_insn): New.
23777         (from_compare): Rename to...
23778         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
23779         handling of TARGET_SH2E floating point to avoid recursive call.
23780         Generate branch here.
23781         (sh_emit_compare_and_set): New.
23782         (sh_expand_t_scc): Get op0/op1 from arguments.
23783         (sh_emit_cheap_store_flag): New.
23784         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
23785         cases.
23786         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
23787         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
23788         (movsicc, movdicc): Do nothing when it recreated operands from
23789         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
23790         prepare_scc_operands (now sh_emit_scc_to_t).
23791         (udivdi3): Use cstoresi4.
23792         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
23793         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
23794         (cbranchint4_media, cbranchfp4_media): New.
23795         (casesi): Use cbranchdi4.
23796         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
23797         Delete.
23798         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
23799         (movnegt): Remove second operand.
23800         (cbranchsf4, cbranchdf4): New.
23801         (stack_protect): Use cbranchdi4/cbranchsi4.
23803         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
23804         (gen_compare_reg): Accept comparison, extract part of it to...
23805         (gen_compare_reg_1): ... this.
23806         (gen_compare_operator): Delete.
23807         (gen_v9_scc): Accept separate destination, comparison code and arms.
23808         Do not use sparc_compare_op0/sparc_compare_op1.
23809         (emit_scc_insn, emit_conditional_branch_insn): New.
23810         (emit_v9_brxx): Make static.  Remove useless assertion.
23811         (sparc_emit_float_lib_cmp): Return RTL instead of calling
23812         emit_cmp_insn.
23813         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
23814         * config/sparc/sparc-protos.h (gen_compare_reg,
23815         sparc_emit_float_lib_cmp): Adjust prototype.
23816         (emit_scc_insn, emit_conditional_branch_insn): New.
23817         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
23818         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
23819         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
23820         iterators to the top.
23821         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
23822         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
23823         snedi_special_trunc): Delete.
23824         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
23825         and snedi_special_trunc.
23826         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
23827         cbranchdi4, cbranch<F:mode>4): New.
23828         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
23829         here.  Use gen_compare_reg instead of gen_compare_operator.
23830         (conditional_trap): Replace with...
23831         (ctrapsi4, ctrapdi4): ... this.
23832         (stack_protect_test): Use cbranchcc4.
23834         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
23835         argument to rtx.
23836         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove.
23837         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
23838         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
23839         from operands[0] or operands[3] depending on is_set.
23840         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
23841         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
23842         cmpdf, bCC), sCC: Remove.
23843         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4,
23844         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
23845         cstoredf4): New.
23846         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
23847         spu_emit_branch_or_set.
23849         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
23850         Add two arguments.
23851         * config/stormy16/stormy16.h (xstormy16_compare_op0,
23852         xstormy16_compare_op1): Delete.
23853         * config/stormy16/stormy16.c (xstormy16_compare_op0,
23854         xstormy16_compare_op1): Delete.
23855         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
23856         Adjust calls.
23857         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
23858         (cmphi, cmpsi, bCC): Remove.
23860         * config/v850/v850.md (tstsi, cmpsi): Fold into...
23861         (*cmpsi): ... this one.
23862         (cbranchsi4, cstoresi4): New.
23863         (bCC expanders): Delete.
23864         (sCC insns): Fold into...
23865         (*setcc): ... this one.
23866         (casesi): Do not use gen_cmpsi and gen_bgtu.
23867         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
23868         (movsicc): Simplify.
23869         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
23871         * config/vax/vax-protos.h (cond_name): New.
23872         (vax_output_conditional_branch): Remove.
23873         * config/vax/vax.c (cond_name): New.
23874         (vax_output_conditional_branch): Remove.
23875         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
23876         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
23877         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
23878         (bit<VAXint>): Wrap source with (compare).
23879         (b<code> and following unnamed pattern): Rename to *branch and
23880         *branch_reversed.  Change macroization to match_operator.
23881         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
23883         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
23884         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
23885         Change last argument to machine_mode.
23886         (xtensa_expand_scc): Add machine_mode argument.
23887         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
23888         (gen_conditional_move, xtensa_expand_conditional_branch,
23889         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
23890         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
23891         Adjust operand numbers.
23892         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
23893         Delete.
23894         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
23895         (cmpsi, cmpsf, b<code>, s<code>): Delete.
23896         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
23898 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
23900         * optabs.c (prepare_cmp_insn): Temporarily disable test that
23901         causes spurious differences between trunk and cond-optab branch.
23903 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
23905         PR target/37137
23906         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
23908 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
23910         * tree.c (iterative_hash_pointer): Delete.
23911         (iterative_hash_expr): Short-circuit handling of NULL pointer.
23912         Hash UIDs and versions of SSA names.  Don't special-case built-in
23913         function declarations.
23915 2009-05-11  Ian Lance Taylor  <iant@google.com>
23917         PR bootstrap/40103
23918         * graphite.c: Force -Wc++-compat to only be a warning before
23919         #including "cloog/cloog.h".
23921 2009-05-11  Martin Jambor  <mjambor@suse.cz>
23923         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
23925 2009-05-11  Jan Hubicka  <jh@suse.cz>
23927         * tree-ssa-loop-ivcanon.c: Include target.h
23928         (struct loop_size): new structure.
23929         (constant_after_peeling): New predicate.
23930         (tree_estimate_loop_size): New function.
23931         (estimated_unrolled_size): Rewrite for new estimates.
23932         (try_unroll_loop_completely): Use new estimates.
23933         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
23935 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
23937         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
23938         libcpp interface change.
23939         (spu_macro_to_expand): Likewise.
23941 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
23943         PR tree-optimization/40026
23944         * gimplify.c (gimplify_init_constructor): Change initial conditional
23945         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
23946         optimize_compound_literals_in_ctor.
23948 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
23950         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
23951         New devices.
23952         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
23954 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
23956         * tree-vect-data-refs.c (vect_analyze_group_access): Use
23957         HOST_WIDE_INT for gap.
23959 2009-05-11  Ira Rosen  <irar@il.ibm.com>
23961         PR tree-optimization/40074
23962         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
23963         account in group size and step comparison.
23965 2009-05-11  Richard Guenther  <rguenther@suse.de>
23967         * passes.c (init_optimization_passes): Strip now incorrect comment.
23968         (execute_function_todo): Do not set PROP_alias.
23969         * tree-pass.h (PROP_alias): Remove.
23970         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
23971         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
23972         * tree-nrv.c (pass_return_slot): Likewise.
23973         * tree-object-size.c (pass_object_sizes): Likewise.
23974         * tree-ssa-dom.c (pass_dominator): Likewise.
23975         (pass_phi_only_cprop): Likewise.
23976         * tree-ssa-dse.c (pass_dse): Likewise.
23977         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
23978         (pass_cselim): Likewise.
23979         * tree-ssa-pre.c (pass_pre): Likewise.
23980         (pass_fre): Likewise.
23981         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
23982         * tree-ssa-sink.c (pass_sink_code): Likewise.
23983         * tree-stdarg.c (pass_stdarg): Likewise.
23984         * tree-tailcall.c (pass_tail_calls): Likewise.
23985         * tree-vrp.c (pass_vrp): Likewise.
23987 2009-05-10  Ian Lance Taylor  <iant@google.com>
23989         * basic-block.h (enum profile_status): Break out of struct
23990         control_flow_graph.
23991         * cgraph.h (struct inline_summary): Break out of struct
23992         cgraph_local_info.
23993         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
23994         of struct cgraph_order_sort.
23995         * combine.c (enum undo_kind): New enum, broken out of struct undo.
23996         * cse.c (struct branch_path): Break out of struct
23997         cse_basic_block_data.
23998         * except.h (enum eh_region_type): Break out of struct eh_region.
23999         * gcc.c (enum add_del): Break out of struct modify_target.
24000         * genrecog.c (enum decision_type): Break out of struct decision_test.
24001         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
24002         ggc_pch_data.
24003         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
24004         * regmove.c (enum match_use): New enum, broken out of struct match.
24005         * sched-int.h (enum post_call_group): New enum, broken out of
24006         struct deps.
24007         (struct deps_reg): Break out of struct deps.
24008         * target.h (struct asm_int_op): Break out of struct gcc_target.
24009         * tree-eh.c (struct goto_queue_node): Break out of struct
24010         leh_tf_state.
24011         * tree-inline.h (enum copy_body_cge_which): Break out of
24012         copy_body_data.
24013         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
24015         * c-decl.c (in_struct, struct_types): New static variables.
24016         (pushtag): Add loc parameter.  Change all callers.
24017         (lookup_tag): Add ploc parameter.  Change all callers.
24018         (check_compound_literal_type): New function.
24019         (parser_xref_tag): Add loc parameter.  Change all callers.  If
24020         -Wc++-compat, warn about struct/union/enum types defined within a
24021         struct or union.
24022         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
24023         and loc parameters.  Change all callers.  Change error calls to
24024         error_at, using loc.  For a redefinition, if the location of the
24025         original definition is known, report it.  Set in_struct and
24026         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
24027         (finish_struct): Add new parameters enclosing_in_struct and
24028         enclosing_struct_types.  Change all callers.  Set
24029         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
24030         in the struct.  If in a struct, add this struct to struct_types.
24031         (start_enum): Add loc parameter.  Change all callers.  Use
24032         error_at for errors, using loc.  For a redefinition, if the
24033         location of the original definition is known, report it.  If in a
24034         struct, add this enum type to struct_types.  If -Wc++-compat warn
24035         if in sizeof, typeof, or alignof.
24036         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
24037         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
24038         (c_parser_enum_specifier): Get enum location for start_enum.
24039         (c_parser_struct_or_union_specifier): Get struct location for
24040         start_struct.  Save in_struct and struct_types status between
24041         start_struct and finish_struct.
24042         (c_parser_cast_expression): Get location of cast.
24043         (c_parser_alignof_expression): Get location of type.
24044         (c_parser_postfix_expression): Likewise.
24045         (c_parser_postfix_expression_after_paren_type): Add type_loc
24046         parameter.  Change all callers.  Call check_compound_literal_type.
24047         Use type_loc for error about variable size type.
24048         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
24049         of an enum constant from an enum type defined in a struct or union.
24050         (c_cast_expr): Add loc parameter.  Change all callers.  If
24051         -Wc++-compat, warn about defining a type in a cast.
24052         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
24053         (start_enum, start_struct, finish_struct): Update declarations.
24054         (parser_xref_tag, c_cast_expr): Update declarations.
24055         (check_compound_literal_type): Declare.
24057 2009-05-11  Ben Elliston  <bje@au.ibm.com>
24059         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
24060         for recent libcpp interface change.
24061         (rs6000_macro_to_expand): Likewise.
24063 2009-05-10  Michael Matz  <matz@suse.de>
24065         PR target/40031
24066         * config/arm/arm.c (require_pic_register): Emit on entry edge,
24067         not at entry of function.
24069 2009-05-10  Richard Guenther  <rguenther@suse.de>
24071         PR tree-optimization/40081
24072         Revert
24073         * tree-sra.c (instantiate_element): Instantiate scalar replacements
24074         using the main variant of the element type.  Do not fiddle with
24075         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
24077         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
24078         structs with volatile fields.
24080 2009-05-10  Jan Hubicka  <jh@suse.cz>
24082         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
24083         (estimate_move_cost): Assert that it does not get called for
24084         VOID_TYPE_P.
24085         (estimate_num_insns): Skip VOID types in argument handling.
24086         (optimize_inline_calls): Delete unreachable blocks and verify that
24087         callgraph is valid.
24089 2009-05-10  Jan Hubicka  <jh@suse.cz>
24091         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
24092         * cgraph.c (cgraph_mark_address_taken_node): New function.
24093         (dump_cgraph_node): Dump new flag.
24094         * cgraph.h (struct cgraph_node): Add address_taken.
24095         (cgraph_mark_address_taken_node): New function.
24096         * ipa.c (cgraph_postorder): Prioritize functions with address taken
24097         since new direct calls can be born.
24099 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
24101         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
24102         tok->val.node.node.
24104 2009-05-10  Jan Hubicka  <jh@suse.cz>
24106         PR middle-end/40084
24107         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
24108         argument; rewrite.
24109         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
24110         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
24111         * tree-inline.c (copy_bb): Set frequency correctly.
24112         (fold_marked_statements): Update call to
24113         cgraph_update_edges_for_call_stmt.
24115 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
24117         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
24118         identifiers in diagnostics.
24119         * config/arm/arm.c (arm_handle_fndecl_attribute,
24120         arm_handle_isr_attribute): Likewise.
24121         * config/avr/avr.c (avr_handle_progmem_attribute,
24122         avr_handle_fndecl_attribute, avr_handle_fntype_attribute): Likewise.
24123         * config/bfin/bfin.c (handle_int_attribute,
24124         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
24125         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
24126         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
24127         Likewise.
24128         * config/darwin.c (darwin_handle_kext_attribute,
24129         darwin_handle_weak_import_attribute): Likewise.
24130         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
24131         h8300_handle_eightbit_data_attribute,
24132         h8300_handle_tiny_data_attribute): Likewise.
24133         * config/i386/i386.c (ix86_handle_cconv_attribute,
24134         ix86_handle_abi_attribute, ix86_handle_struct_attribute): Likewise.
24135         * config/i386/winnt.c (ix86_handle_shared_attribute,
24136         ix86_handle_selectany_attribute): Likewise.
24137         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
24138         * config/m32c/m32c.c (function_vector_handler): Likewise.
24139         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
24140         m68hc11_handle_fntype_attribute): Likewise.
24141         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
24142         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
24143         * config/mips/mips.c (mips_insert_attributes,
24144         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
24145         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
24146         rs6000_handle_struct_attribute): Likewise.
24147         * config/sh/sh.c (sh_insert_attributes,
24148         sh_handle_resbank_handler_attribute,
24149         sh_handle_interrupt_handler_attribute,
24150         sh2a_handle_function_vector_handler_attribute,
24151         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
24152         Likewise.
24153         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
24154         * config/spu/spu.c (spu_handle_fndecl_attribute,
24155         spu_handle_vector_attribute): Likewise.
24156         * config/stormy16/stormy16.c
24157         (xstormy16_handle_interrupt_attribute): Likewise.
24158         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
24159         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
24161 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
24163         * pretty-print.h (struct pretty_print_info): Add translate_identifiers.
24164         (pp_translate_identifiers): New.
24165         (pp_identifier): Only conditionally translate identifier to locale
24166         character set.
24167         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
24168         (pp_base_tree_identifier): Only conditionally translate identifier
24169         to locale character set.
24170         * c-pretty-print.c (M_): Define.
24171         (pp_c_type_specifier, pp_c_primary_expression): Mark English
24172         fragments for conditional translation with M_.
24173         * tree-pretty-print.c (maybe_init_pretty_print): Disable
24174         identifier translation.
24176 2009-05-10  Richard Guenther  <rguenther@suse.de>
24178         PR tree-optimization/40081
24179         * tree-sra.c (instantiate_element): Instantiate scalar replacements
24180         using the main variant of the element type.  Do not fiddle with
24181         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
24183 2009-05-09  Jan Hubicka  <jh@suse.cz>
24185         PR middle-end/40080
24186         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
24187         indirect calls; verify cgraph afterwards.
24189 2009-05-09  Jan Hubicka  <jh@suse.cz>
24191         PR bootstrap/40082
24192         * ipa.c (update_inlined_to_pointer): New function.
24193         (cgraph_remove_unreachable_nodes): Use it.
24195 2009-05-09  Jan Hubicka  <jh@suse.cz>
24197         * tree-eh.c (struct leh_state): Remove prev_try.
24198         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
24199         not track prev_try.
24200         * except.c (gen_eh_region_cleanup, duplicate_eh_regions,
24201         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
24202         remove_eh_handler_and_replace, foreach_reachable_handler,
24203         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
24204         * except.h (struct eh_region): Remove eh_region_u_cleanup.
24205         (gen_eh_region_cleanup): Update prototype.
24207 2009-05-09  Jan Hubicka  <jh@suse.cz>
24209         PR middle-end/40043
24210         * except.c (copy_eh_region): Always set prev_try.
24211         (redirect_eh_edge_to_label): Find outer try.
24212         (foreach_reachable_handler): When looking for prev try
24213         handle case where previous try is not going to be taken.
24215 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
24217         PR tree-optimization/40049
24218         * tree-vect-stmts.c (vectorizable_operation): If the machine has
24219         only vector/vector shifts, convert the type of the constant to the
24220         appropriate type to avoid building incorrect trees, which
24221         eventually have problems with garbage collection.
24223 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
24225         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
24226         -1 for complex floating-point types if honoring signed zeros.
24228 2009-05-08  Jan Hubicka  <jh@suse.cz>
24230         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
24231         argument; handle correctly when profile is absent.
24232         (build_cgraph_edges): Update.
24233         (rebuild_cgraph_edges): Update.
24234         * cgraph.c: Do not include varray.h.
24235         (cgraph_set_call_stmt_including_clones): New function.
24236         (cgraph_create_edge_including_clones): Likewise
24237         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
24238         (cgraph_update_edges_for_call_stmt): Handle clones.
24239         (cgraph_remove_node): Handle clone tree.
24240         (cgraph_remove_node_and_inline_clones): New function.
24241         (dump_cgraph_node): Dump clone tree.
24242         (cgraph_clone_node): Handle clone tree.
24243         (clone_function_name): Bring here from tree-inline.c.
24244         (cgraph_create_virtual_clone): New function.
24245         * cgraph.h (ipa_replace_map): Move here from ipa.h.
24246         (cgraph_clone_info): New function.
24247         (strut cgraph_node): Add clone_info and new clone tree pointers.
24248         (cgraph_remove_node_and_inline_clones,
24249         cgraph_set_call_stmt_including_clones,
24250         cgraph_create_edge_including_clones,
24251         cgraph_create_virtual_clone): Declare.
24252         (cgraph_function_versioning): Use VEC argument.
24253         (compute_call_stmt_bb_frequency): Update prototype.
24254         (cgraph_materialize_all_clones): New function.
24255         * ipa-cp.c (ipcp_update_cloned_node): Remove.
24256         (ipcp_create_replace_map): Update to VECtors.
24257         (ipcp_update_callgraph): Use virtual clones.
24258         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
24259         (ipcp_update_profiling): Do not update local profiling.
24260         (ipcp_insert_stage): Use VECtors and virtual clones.
24261         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
24262         (clone_of_p): New function.
24263         (cgraph_preserve_function_body_p): Use clone tree.
24264         (cgraph_optimize): Materialize clones.
24265         (cgraph_function_versioning): Update for VECtors.
24266         (save_inline_function_body): Use clone tree.
24267         (cgraph_materialize_clone): New function.
24268         (cgraph_materialize_all_clones): Likewise.
24269         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
24270         * ipa.c: Include gimple.h.
24271         (cgraph_remove_unreachable_nodes): Use clone tree.
24272         * ipa-prop.c (ipa_note_param_call): Update call to
24273         compute_call_stmt_bb_frequencycall.
24274         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
24275         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
24276         (copy_bb): Handle updating of clone tree; add new edge when new call
24277         appears.
24278         (expand_call_inline): Be strict about every call having edge.
24279         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
24280         (delete_unreachable_blocks_update_callgraph): New function.
24281         (tree_function_versioning): Use VECtors; always remove unreachable
24282         blocks and fold conditionals.
24283         * tree-inline.h: Do not include varray.h.
24284         (tree_function_versioning): Remove.
24285         * Makefile.in (GTFILES): Remove tree-inline.c
24286         * passes.c (do_per_function): Do only functions having body.
24287         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
24288         tree.
24290 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
24291             Andrew Morrow  <acm@google.com>
24293         PR c/36892
24294         * c-common.c (c_common_attribute_table): Permit deprecated
24295         attribute to take an optional argument.
24296         (handle_deprecated_attribute): If the optional argument to
24297         __attribute__((deprecated)) is not a string ignore the attribute
24298         and emit a warning.
24300         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
24301         * c-typeck.c (build_component_ref): Likewise.
24302         (build_external_ref): Likewise.
24304         * toplev.c (warn_deprecated_use): Add an attribute argument.
24305         Emit the message associated with __attribute__((deprecated)).
24307         * toplev.h (warn_deprecated_use): Updated.
24309         * doc/extend.texi: Document new optional parameter to
24310         __attribute__((deprecated))
24312 2009-05-08  Michael Eager <eager@eagercon.com>
24314         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
24315         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
24317 2009-05-08  Richard Guenther  <rguenther@suse.de>
24319         PR tree-optimization/40062
24320         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
24321         Avoid exponential behavior.
24323 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
24325         PR rtl-optimization/33928
24326         PR 26854
24327         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
24328         process_uses, build_single_def_use_links): New.
24329         (update_df): Update use_def_ref.
24330         (forward_propagate_into): Use get_def_for_use instead of use-def
24331         chains.
24332         (fwprop_init): Call build_single_def_use_links and let it initialize
24333         dataflow.
24334         (fwprop_done): Free use_def_ref.
24335         (fwprop_addr): Eliminate duplicate call to df_set_flags.
24336         * df-problems.c (df_rd_simulate_artificial_defs_at_top,
24337         df_rd_simulate_one_insn): New.
24338         (df_rd_bb_local_compute_process_def): Update head comment.
24339         (df_chain_create_bb): Use the new RD simulation functions.
24340         * df.h (df_rd_simulate_artificial_defs_at_top,
24341         df_rd_simulate_one_insn): New.
24342         * opts.c (decode_options): Enable fwprop at -O1.
24343         * doc/invoke.texi (-fforward-propagate): Document this.
24345 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
24347         PR c/24581
24348         * c-typeck.c (build_binary_op): Handle arithmetic between one real
24349         and one complex operand specially.
24350         * tree-complex.c (some_nonzerop): Do not identify a real value as
24351         zero if flag_signed_zeros.
24353 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
24355         PR rtl-optimization/33928
24356         * loop-invariant.c (record_use): Fix && vs. || mishap.
24358 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
24360         PR rtl-optimization/33928
24361         * loop-invariant.c (struct use): Add addr_use_p.
24362         (struct def): Add n_addr_uses.
24363         (struct invariant): Add cheap_address.
24364         (create_new_invariant): Set cheap_address.
24365         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
24366         (record_uses): Pass df_ref to record_use.
24367         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
24368         used only as such.
24370 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
24372         * config/sh/sh.c: Do not include c-pragma.h.
24374 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
24376         * config/spu/spu.c: Remove include of c-common.h.
24378 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
24380         PR c/39037
24381         * c-common.h (mark_valid_location_for_stdc_pragma,
24382         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
24383         clear_float_const_decimal64, float_const_decimal64_p): New.
24384         * c.opt (Wunsuffixed-float-constants): New.
24385         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
24386         unsuffixed float constant, handle new warning.
24387         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
24388         * c-decl.c (c_scope): New flag float_const_decimal64.
24389         (set_float_const_decimal64, clear_float_const_decimal64,
24390         float_const_decimal64_p): New.
24391         (push_scope): Set new flag.
24392         * c-parser.c (c_parser_translation_unit): Mark when it's valid
24393         to use STDC pragmas.
24394         (c_parser_external_declaration): Ditto.
24395         (c_parser_compound_statement_nostart): Ditto.
24396         * c-pragma.c (valid_location_for_stdc_pragma,
24397         mark_valid_location_for_stdc_pragma,
24398         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
24399         handle_pragma_float_const_decimal64): New.
24400         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
24401         * cp/semantics.c (valid_location_for_stdc_pragma_p,
24402         set_float_const_decimal64, clear_float_const_decimal64,
24403         float_const_decimal64_p): New dummy functions.
24404         * doc/extend.texi (Decimal Float): Remove statement that the
24405         pragma, and suffix for double constants, are not supported.
24406         * doc/invoke.texi (Warning Options): List new option.
24407         (-Wunsuffixed-float-constants): New.
24409 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
24411         * config/i386/i386.c: Do not include c-common.h.
24413 2009-05-07  Mark Heffernan  <meheff@google.com>
24415         * doc/invoke.texi (Debugging Options): Document change of debugging
24416         dump location.
24417         * opts.c (decode_options): Make dump_base_name relative to
24418         aux_base_name directory.
24420 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
24422         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
24423         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
24425 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
24427         * Makefile.in (install-plugin): Simplify a bit.
24429 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
24431         * Makefile.in (OBJS-common): Add regcprop.o.
24432         (regcprop.o): New.
24433         * timevar.def (TV_CPROP_REGISTERS): New.
24434         * regrename.c (regrename_optimize): Return 0.
24435         (rest_of_handle_regrename): Delete.
24436         (pass_rename_registers): Point to regrename_optimize.
24437         (struct value_data_entry, struct value_data,
24438         kill_value_one_regno, kill_value_regno, kill_value,
24439         set_value_regno, init_value_data, kill_clobbered_value,
24440         kill_set_value, kill_autoinc_value, copy_value,
24441         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
24442         replace_oldest_value_reg, replace_oldest_value_addr,
24443         replace_oldest_value_mem, copyprop_hardreg_forward_1,
24444         debug_value_data, validate_value_data): Move...
24445         * regcprop.c: ... here.
24446         (rest_of_handle_cprop): Delete.
24447         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
24449 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
24451         PR middle-end/40057
24452         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
24453         GEN_INT for 1 << bitnum.
24454         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
24455         build_int_cst_type.
24457 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
24459         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
24460         Remove wrong description of "nand" operation.
24462 2009-05-06  Richard Guenther  <rguenther@suse.de>
24463             Adam Nemet  <anemet@caviumnetworks.com>
24465         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
24466         comment.  Add that if LHS is not a gimple register, then RHS1 has
24467         to be a single object (GIMPLE_SINGLE_RHS).
24469 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
24471         * expr.c (get_def_for_expr): Move it up in the file.
24472         (store_field): When expanding a bit-field store, look at the
24473         defining gimple stmt for the masking conversion.
24475 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
24477         PR middle-end/39986
24478         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
24479         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
24480         32-bit memcpy into long.
24482 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
24484         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
24485         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
24486         new_reg_loc_descr.
24487         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
24488         instead of appending DW_OP_deref*.
24490 2009-05-06  Michael Matz  <matz@suse.de>
24492         PR middle-end/40021
24493         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
24494         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
24496 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
24498         * Makefile.in (install-plugin): Fix srcdir handling.
24500 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
24502         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
24503         when processing for not_regs_needed bitmap.
24504         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
24505         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while
24506         handling it for rhs.
24508 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
24510         * config/i386/i386.md (unnamed inc/dec peephole): Use
24511         optimize_insn_for_size_p instead of optimize_size.
24512         * config/i386/predicates.md (incdec_operand): Likewise.
24513         (aligned_operand): Likewise.
24514         * config/i386/sse.md (divv8sf3): Likewise.
24515         (sqrtv8sf2): Likewise.
24517 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
24519         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
24521         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
24523 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
24525         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
24526         ssemodesuffixf2c with avxmodesuffixf2c.
24528 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
24530         PR c/40032
24531         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
24533 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
24535         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
24536         (struct tree_base): Adjust spacing for 8 bit boundaries.
24537         (struct tree_decl_common): Add decl_by_reference_flag bit.
24538         (DECL_BY_REFERENCE): Adjust.
24539         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
24540         print DECL_BY_REFERENCE bit.
24541         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
24542         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
24543         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
24544         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
24545         unconditionally.
24547         PR middle-end/39666
24548         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
24549         range of the type, but default label is missing, add it with one
24550         of the existing labels instead of adding a new label for it.
24552 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
24554         * dwarf.h: Remove.
24556 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
24558         * Makefile.in (enable_plugin, plugin_includedir): New.
24559         (install): Depend on install-plugin.
24560         (PLUGIN_HEADERS): New.
24561         (install-plugin): New.
24562         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
24564 2009-05-05  Richard Guenther  <rguenther@suse.de>
24566         PR tree-optimization/40022
24567         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
24568         the only vuse.
24569         (phivn_valid_p): Fix tuplification error, simplify.
24570         (phiprop_insert_phi): Add dumps.
24571         (propagate_with_phi): Simplify.
24573 2009-05-05  Richard Guenther  <rguenther@suse.de>
24575         PR middle-end/40023
24576         * builtins.c (gimplify_va_arg_expr): Properly build the address.
24578 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
24580         * tree.h (strip_float_extensions): Remove duplicate declaration.
24581         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
24582         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
24583         block_ultimate_origin): Rearrange the declarations line to match the
24584         comment that indicates the .c file which the functions are defined.
24585         (dwarf2out_*, set_decl_rtl): Add comment.
24586         (get_base_address): Adjust comment.
24587         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
24588         declarations line and add comment.
24589         (is_builtin_name): Add blank after function name, for clarity.
24591 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
24593         * attribs.c (decl_attributes): Use %qE for identifiers in
24594         diagnostics.
24595         * cgraphunit.c (verify_cgraph_node): Translate function names to
24596         locale character set in diagnostics.
24597         * coverage.c (get_coverage_counts): Use %qE for identifiers in
24598         diagnostics.
24599         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
24600         Document that functions are named in UTF-8.
24601         * expr.c (expand_expr_real_1): Translate function names to locale
24602         character set in diagnostics.
24603         * gimplify.c (omp_notice_variable, omp_is_private,
24604         gimplify_scan_omp_clauses): Use %qE for identifiers in
24605         diagnostics.
24606         * langhooks.c (lhd_print_error_function): Translate function names
24607         to locale character set.
24608         * langhooks.h (decl_printable_name): Document that return value is
24609         in internal character set.
24610         * stmt.c: Include pretty-print.h
24611         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
24612         diagnostics.
24613         (resolve_operand_name_1): Translate named operand name to locale
24614         character set.
24615         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
24616         diagnostics.
24617         * toplev.c (announce_function): Translate function names to locale
24618         character set.
24619         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
24620         (default_tree_printer): Use pp_identifier or translate identifiers
24621         to locale character set.  Mark "<anonymous>" for translation.
24622         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
24623         for identifiers in diagnostics.
24624         * tree.c (handle_dll_attribute): Use %qE for identifiers in
24625         diagnostics.
24626         * varasm.c (output_constructor): Use %qE for identifiers in
24627         diagnostics.
24629 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
24631         * configure.ac: use ` ` instead of $()
24632         * configure: Regenerate.
24634 2009-05-05  Ben Elliston  <bje@au.ibm.com>
24636         * config/pa/linux-atomic.c: Eliminate conditional include of
24637         errno.h on non-LP64 systems to simplify build requirements.
24639 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
24641         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
24642         diagnostics.
24643         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
24644         and pass value to identifier_to_locale.
24645         (warn_variable_length_array): Make name a tree.
24646         (grokdeclarator): Separate diagnostic texts for named and unnamed
24647         declarators.  Use %qE for named declarators.
24648         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
24649         diagnostics.
24650         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
24651         identifiers in diagnostics.
24652         * c-typeck.c (push_member_name, start_init): Pass identifiers to
24653         identifier_to_locale.  Mark "anonymous" strings for translation.
24655 2009-05-04  Michael Eager <eager@eagercon.com>
24657         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
24658         address for DImode/DFmode only if double-precision FP regs.
24660 2009-05-04  Michael Eager <eager@eagercon.com>
24662         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
24663         TARGET_SINGLE_FLOAT check.
24665 2009-05-04  Michael Eager <eager@eagercon.com>
24667         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
24669 2009-05-04  Michael Eager <eager@eagercon.com>
24671         * gcc/config.gcc (powerpc-xilinx-eabi*): Add tm t-xilinx
24672         * config/rs6000/t-xilinx: New
24674 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
24676         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
24677         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
24678         * gcc/explow.c (memory_address): Use target hook.
24679         * gcc/targhooks.c (default_legitimize_address): New.
24680         * gcc/targhooks.h (default_legitimize_address): New.
24681         * gcc/target.h (legitimize_address): New.
24682         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
24683         (TARGET_INITIALIZER): Include it.
24684         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
24686         * config/bfin/bfin-protos.h (legitimize_address): Remove.
24687         * config/bfin/bfin.c (legitimize_address): Remove.
24688         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
24689         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
24690         Remove.
24691         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
24692         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
24694         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
24695         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
24696         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
24697         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
24698         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
24699         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
24700         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
24701         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
24702         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
24703         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
24704         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
24705         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
24706         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
24707         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
24708         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
24709         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
24710         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
24711         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
24712         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
24713         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
24714         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
24715         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
24716         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
24718         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
24719         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
24720         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
24721         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
24722         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
24723         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
24724         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
24725         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
24726         (thumb_legitimize_address): Delete.
24727         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
24728         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
24729         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
24730         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
24731         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
24732         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
24733         Delete.
24734         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
24735         Delete.
24737         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
24738         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
24739         * config/m32r/m32r.c (m32r_legitimize_address): New.
24740         * config/m68k/m68k.c (m68k_legitimize_address): New.
24741         * config/score/score.c (score_legitimize_address): Standardize.
24742         * config/score/score3.c (score3_legitimize_address): Standardize.
24743         * config/score/score3.h (score3_legitimize_address): Adjust.
24744         * config/score/score7.c (score7_legitimize_address): Standardize.
24745         * config/score/score7.h (score7_legitimize_address): Adjust.
24746         * config/sh/sh.c (sh_legitimize_address): New.
24747         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
24749         * gcc/config/s390/s390.c (legitimize_address): Rename to...
24750         (s390_legitimize_address): ... this.
24751         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
24752         (sparc_legitimize_address): ... this.
24753         * gcc/config/i386/i386.c (legitimize_address): Rename to...
24754         (ix86_legitimize_address): ... this.
24755         * gcc/config/avr/avr.c (legitimize_address): Rename to...
24756         (avr_legitimize_address): ... this.
24757         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
24758         (mn10300_legitimize_address): ... this.
24759         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
24760         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
24761         (alpha_expand_mov): Adjust call.
24763         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
24764         * config/spu/spu.c (spu_legitimize_address): Likewise.
24765         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
24766         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
24768 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
24770         * intl.c (locale_encoding, locale_utf8): New.
24771         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
24772         * intl.h (locale_encoding, locale_utf8): Declare.
24773         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
24774         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
24775         New.
24776         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
24777         argument.
24778         (pp_tree_identifier): Define to call pp_base_tree_identifier.
24779         (pp_base_tree_identifier): Declare as function.
24780         (identifier_to_locale): Declare.
24781         * Makefile.in (pretty-print.o): Update dependencies.
24782         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
24784 2009-05-04  Richard Guenther  <rguenther@suse.de>
24786         PR middle-end/40015
24787         * builtins.c (fold_builtin_memory_op): Do not decay to element
24788         type if the size matches the whole array.
24790 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
24792         * expmed.c (synth_mult): When trying out a shift, pass the result
24793         of a signed shift.
24795 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
24797         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
24798         (shiftsub1_cost): New.
24799         (init_expmed): Compute shiftsub1_cost.
24800         (synth_mult): Optimize multiplications by constants of the form
24801         -(2^^m-1) for some constant positive integer m.
24803 2009-05-03  Richard Guenther  <rguenther@suse.de>
24805         PR c/39983
24806         * c-typeck.c (array_to_pointer_conversion): Do not built
24807         ADDR_EXPRs of arrays of pointer-to-element type.
24808         * c-gimplify.c (c_gimplify_expr): Revert change fixing
24809         up wrong ADDR_EXPRs after-the-fact.
24810         * c-common.c (strict_aliasing_warning): Strip pointer
24811         conversions for obtaining the original type.
24812         * builtins.c (fold_builtin_memset): Handle array types.
24813         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
24814         and array types
24816 2009-05-03  Richard Guenther  <rguenther@suse.de>
24818         PR middle-end/23329
24819         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
24820         Do not lose casts from array types with unknown extent to array
24821         types with known extent.
24822         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
24823         alias set compatibility.
24825 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
24827         * flags.h (extra_warnings): Delete.
24828         * toplev.c (process_options): Handle Wuninitialized here.
24829         * opts.c (extra_warnings): Delete.
24830         (set_Wextra): Delete.
24831         (common_handle_option): -Wextra can be handled automatically.
24832         * c-opts.c (c_common_handle_option): Delete obsolete code.
24833         (c_common_post_options): Simplify comment.
24834         * common.opt (W): Add Var.
24835         (Wextra): Add Var.
24836         (Wuninitialized): Initialize to -1.
24838 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
24839             Richard Guenther  <rguenther@suse.de>
24841         * expr.c (get_def_for_expr): New function.
24842         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
24843         SSA rather than trees.
24844         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
24845         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
24847 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
24849         * c-common.c (reswords): Add _Imaginary.
24850         * c-common.c (enum rid): Add RID_IMAGINARY.
24852 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
24854         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
24855         Patch by Richard Guenther.
24857 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
24859         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
24860         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
24861         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
24862         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
24863         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
24864         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
24865         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
24866         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
24867         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
24868         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
24869         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
24870         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
24871         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
24872         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
24873         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
24874         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
24875         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
24876         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
24878 2009-05-02  Richard Guenther  <rguenther@suse.de>
24880         PR tree-optimization/39940
24881         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
24882         doing so.
24884 2009-05-02  Richard Guenther  <rguenther@suse.de>
24886         PR middle-end/40001
24887         * tree-ssa.c (execute_update_addresses_taken): Properly check
24888         if we can mark a variable DECL_GIMPLE_REG_P.
24889         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
24890         back to the end of the function.
24891         (is_gimple_reg_type): Remove complex type special casing.
24892         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
24893         if not optimizing.
24895 2009-05-02  Ben Elliston  <bje@au.ibm.com>
24897         * doc/collect2.texi (Collect2): Document search path behaviour
24898         when configured with --with-ld.
24900 2009-05-02  Jan Hubicka  <jh@suse.cz>
24902         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
24903         parameter; update callers.
24904         (coalesce_cost_edge): EH edges are costier because they needs
24905         splitting even if not critical and even more costier when there are
24906         multiple EH predecestors.
24908 2009-05-02  Jan Hubicka  <jh@suse.cz>
24910         * except.c (remove_eh_handler_and_replace): Handle updating after
24911         removing TRY blocks.
24913 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
24915         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
24917 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
24919         * varasm.c: Do not include c-pragma.h.
24920         * attribs.c: Do not incude c-common.h.
24922 2009-05-01  Michael Matz  <matz@suse.de>
24924         * calls.c (initialize_argument_information): Handle SSA names like
24925         decls with a non MEM_P DECL_RTL.
24927 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
24929         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
24930         * ipa-utils.c: Likewise.
24931         * ipa-type-escape.c: Likewise.
24932         * cgraphunit.c Do not include c-common.h.
24933         * ipa-pure-const.c: Likewise.
24934         * tree-if-conv.c: Likewise.
24935         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
24936         * ipa-struct-reorg.c: Likewise.
24937         * tree-nomudflap.c: Likewise.
24938         * tree-ssa-structalias.c: Likewise.
24940 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
24942         * store-motion.c: Many cleanups to make this pass a first-class
24943         citizen instead of an appendix to gcse load motion.  Add TODO list
24944         to make this pass faster/cleaner/better.
24946         (struct ls_expr): Post gcse.c-split cleanups.
24947         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
24948         "stores" field to "avail_stores".
24949         (pre_ldst_mems): Rename to store_motion_mems.
24950         (pre_ldst_table): Rename to store_motion_mems_table.
24951         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
24952         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
24953         (ldst_entry): Rename to st_expr_entry, update users.
24954         (free_ldst_entry): Rename to free_st_expr_entry, update users.
24955         (free_ldst_mems): Rename to free_store_motion_mems, update users.
24956         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
24957         update caller.
24958         (first_ls_expr): Rename to first_st_expr, update users.
24959         (next_ls_expr): Rename to next_st_expr, update users.
24960         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
24961         fields properly for store motion instead of names inherited from load
24962         motion in gcse.c.
24963         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
24964         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
24965         are done with it.
24967         (ae_kill): Rename to st_kill, update users.
24968         (ae_gen): Rename to st_avloc, update users.
24969         (transp): Rename to st_transp, update users.
24970         (pre_insert_map): Rename to st_insert_map, update users.
24971         (pre_delete_map): Rename to st_delete_map, update users.
24972         (insert_store, build_store_vectors, free_store_memory,
24973         one_store_motion_pass): Update for abovementioned changes.
24975         (gcse_subst_count, gcse_create_count): Remove.
24976         (one_store_motion_pass): New statistics counters "n_stores_deleted"
24977         and "n_stores_created", local variables.
24979         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
24980         use for_each_rtx.
24982         (regvec, compute_store_table_current_insn): Remove.
24983         (reg_set_info, reg_clear_last_set): Remove.
24984         (compute_store_table): Use DF caches instead of local dataflow
24985         solvers.
24987 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
24989         * c-objc-common.c (c_tree_printer): Print identifiers with
24990         pp_identifier, not pp_string.  Mark "({anonymous})" for
24991         translation.
24992         * c-pretty-print.c (pp_c_ws_string): New.
24993         (pp_c_cv_qualifier, pp_c_type_specifier,
24994         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
24995         pp_c_storage_class_specifier, pp_c_function_specifier,
24996         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
24997         pp_c_primary_expression, pp_c_postfix_expression,
24998         pp_c_unary_expression, pp_c_shift_expression,
24999         pp_c_relational_expression, pp_c_equality_expression,
25000         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
25001         use pp_string and pp_c_ws_string in place of pp_identifier and
25002         pp_c_identifier for non-identifiers.  Mark English strings for
25003         translation.
25004         * c-pretty-print.h (pp_c_ws_string): Declare.
25006 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
25007             Roland McGrath <roland@redhat.com>
25009         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
25010         (ENABLE_LD_BUILDID): New configuration option.
25011         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
25012         (LINK_BUILDID_SPEC): New macro.
25013         (init_spec): If defined, prepend it between LINK_EH_SPEC and
25014         link_spec.
25015         * doc/install.texi: Document --enable-linker-build-id option.
25016         * configure: Rebuild.
25017         * config.in: Rebuild.
25019 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
25021         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
25022         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
25023         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
25024         MIPS_GP_SAVE_AREA_SIZE.
25025         * config/mips/mips.c (struct mips_frame_info): Update comment
25026         before arg_pointer_offset and hard_frame_pointer_offset.
25027         (mips_compute_frame_info): Update diagram before function: to
25028         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
25029         indicate the position of frame_pointer_rtx with -fstack-protector and
25030         to show args_size.  Don't allocate cprestore area for leaf functions
25031         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
25032         cprestore_size.
25033         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
25035 2009-04-30  Michael Matz  <matz@suse.de>
25037         PR tree-optimization/39955
25038         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
25040 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
25042         * ira.c (setup_cover_and_important_classes):  Use safe macro
25043         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
25044         directly.
25045         * genpreds.c (write_tm_preds_h):  Output suitable definition of
25046         REG_CLASS_FOR_CONSTRAINT.
25048 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
25050         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
25051         instead of an int.
25052         * bitmap.c (bitmap_descriptor): Likewise.
25053         * ggc-common.c (loc_descriptor): Likewise.
25054         * varray.c (varray_descriptor): Likewise.
25055         * vec.c (vec_descriptor): Likewise.
25057 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
25059         * Makefile.in (dce.o): Add $(EXCEPT_H).
25060         * dce.c: Include except.h and delete redundant vector definitions.
25061         (deletable_insn_p): Return false for non-call insns that can throw
25062         if DF is running.
25064 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
25066         * gcse.c (ae_gen): Remove.
25067         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
25068         and make non-static function to make it available in store-motion.c.
25069         Update call sites with search-and-replace.
25070         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
25071         extract_mentioned_regs, extract_mentioned_regs_helper,
25072         find_moveable_store, compute_store_table, load_kills_store, find_loads,
25073         store_killed_in_insn, store_killed_after, store_killed_before,
25074         build_store_vectors, insert_insn_start_basic_block, insert-store,
25075         remove_reachable_equiv_notes, replace_store_insn, delete_store,
25076         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
25077         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
25078         * store-motion.c: ...new file.  Also copy data structures from gcse.c
25079         and clean up to remove parts not used by store motion.
25080         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
25081         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
25083 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
25085         PR target/38571
25086         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
25087         when optimizing for size.
25089 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
25091         * gcse.c (gcse_constant_p): Fix typo in last change.
25093 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
25095         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
25097 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
25099         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
25101 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
25103         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
25104         CONST_HIGH_PART result.
25106 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
25108         * config/avr/avr.c (initial_elimination_offset): Rename to
25109         avr_initial_elimination_offset.
25110         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
25111         change return type to bool.
25112         (avr_can_eliminate): New function.
25113         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
25114         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
25115         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
25116         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
25117         avr_initial_elimination_offset.
25118         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
25119         (avr_initial_elimination_offset): Define.
25121 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
25122             Steven Bosscher  <steven@gcc.gnu.org>
25124         PR rtl-optimization/39938
25125         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
25126         * cfgrtl.c: Include insn-attr.h.
25127         (rest_of_pass_free_cfg): New function.
25128         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
25129         * resource.c (init_resource_info): Remove call to df_analyze.
25131 2009-04-29  Richard Guenther  <rguenther@suse.de>
25133         PR target/39943
25134         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
25135         allow conversion to signed integers.
25137 2009-04-29  Richard Guenther  <rguenther@suse.de>
25139         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
25140         shifts of floating point vectors if the shift amount is
25141         a constant multiple of the element size.
25143 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
25144             Michael Matz  <matz@suse.de>
25146         PR middle-end/39927
25147         PR bootstrap/39929
25148         * tree-outof-ssa.c (emit_partition_copy): New function.
25149         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
25150         insert_part_to_rtx_on_edge): Perform the partition base var
25151         copy using emit_partition_copy.
25152         (insert_value_copy_on_edge): Convert constants to the right mode.
25153         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
25154         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
25156 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
25158         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
25159         scan backwards to try to find a constant to initialize it.
25161         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
25162         insn before the loop_end instruction, don't look past labels.
25164 2009-04-29  Richard Guenther  <rguenther@suse.de>
25166         PR middle-end/39937
25167         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
25168         loose type conversions.
25169         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
25170         stmts only if there are no uses of its definition.
25172 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
25174         * config/bfin/bfin.h (splitting_loops): Declare.
25175         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
25176         Reorder bit definitions to be ascending.
25177         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
25178         * config/bfin/bfin.c (splitting_loops): New variable.
25179         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
25180         (struct loop_info): Remove members INIT and LOOP_INIT.
25181         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
25182         the LSETUP sequence.  Allow LC to be loaded from any register, but
25183         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
25184         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
25185         set to 1.
25186         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
25187         of reload_completed.
25189         From Jie Zhang:
25190         * config/bfin/bfin.md (movsi_insn): Refine constraints.
25192 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
25194         * Makefile.in (PLUGIN_VERSION_H): New.
25195         (OBJS-common): Remove plugin-version.o.
25196         (plugin.o): Depend on (PLUGIN_VERSION_H).
25197         (plugin-version.o): Remove.
25198         * configure: Regenerate
25199         * configure.ac: Create plugin-version.h.
25200         * gcc-plugin.h (plugin_gcc_version): Remove.
25201         (plugin_default_version_check): Change signature.
25202         * plugin-version.c: Remove.
25203         * plugin.c: Include plugin-version.h.
25204         (str_plugin_gcc_version_name): Remove.
25205         (try_init_one_plugin): Pass gcc version to plugin_init.
25206         (plugin_default_version_check): Both gcc and plugin versions are now
25207         arguments.
25209 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
25211         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
25212         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
25213         Remove special case testing for last insn of inner loops. Don't fail
25214         if the loop ends with a jump, emit an extra nop instead.
25216         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
25217         DREGS rather than comparing directly.  Remove code that tries to
25218         account for latencies.
25220 2009-04-29  Richard Guenther  <rguenther@suse.de>
25222         PR tree-optimization/39941
25223         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
25224         eliminating an indirect call.
25226 2009-04-29  Richard Guenther  <rguenther@suse.de>
25228         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
25229         parameter.  Allow invariants as base if !require_lvalue.
25230         (verify_gimple_assign_single): Adjust.
25232 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
25234         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
25235         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
25236         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
25237         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
25238         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
25239         a VEC_SELECT.
25240         * config/bfin/bfin.c (bfin_expand_builtin,
25241         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
25243 2009-04-28  Richard Guenther  <rguenther@suse.de>
25245         * tree-vect-loop.c (get_initial_def_for_induction): Use
25246         correct types for pointer increment.
25248 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25250         * toplev.c (print_version): Update GMP version string calculation.
25252 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
25254         PR rtl-optimization/39938
25255         * resource.c (init_resource_info): Add call to df_analyze.
25257 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
25259         * config/alpha/alpha.md (usegp): Cast the result of
25260         alpha_find_lo_sum_using_gp to enum attr_usegp.
25261         * config/alpha/alpha.c (override_options): Remove end-of-structure
25262         marker element from cpu_table.  Use array size of cpu_table to handle
25263         -mcpu and -mtune options.
25264         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
25266 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
25268         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
25269         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
25270         tune_32 and tune_64.
25271         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
25272         support on PowerPC.
25273         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
25274         * config/rs6000/option-defaults.h: ... here.  New file.
25275         (OPT_64, OPT_32): Define.
25276         (MASK_64BIT): Define to 0 if not already defined.
25277         (OPT_ARCH64, OPT_ARCH32): Define.
25278         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
25279         and tune_64.
25281 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
25283         * config/arm/arm.c (arm_override_options): Emit error on using
25284         fpa with AAPCS.
25286 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
25288         PR rtl-optimization/39914
25289         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
25290         registers for allocnos created from user-defined variables only
25291         when not optimizing.
25293 2009-04-28  Richard Guenther  <rguenther@suse.de>
25295         PR middle-end/39937
25296         * fold-const.c (fold_binary): Use distribute_real_division only
25297         on float types.
25299 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
25301         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
25302         add hpux-stdint.h to tm_file.
25303         (hppa[12]*-*-hpux11*): Ditto.
25304         (ia64*-*-hpux*): Ditto.
25305         * config/hpux-stdint.h: New.
25306         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
25307         __STDC_EXT__ for all compiles.
25308         * config/pa/pa-hpux.h: Ditto.
25309         * config/pa/pa-hpux10.h: Ditto.
25310         * config/pa/pa-hpux11.h: Ditto.
25312 2009-04-28  Catherine Moore  <clm@codesourcery.com>
25314         * debug.h (set_name): Add comment.
25316 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
25318         PR target/39929
25319         * config/darwin.c (machopic_gen_offset): Check
25320         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
25321         * config/arm/arm.c (require_pic_register): Likewise.
25323 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
25325         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
25326         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
25327         m32c_promote_prototypes): Delete.
25329 2009-04-28  Michael Matz  <matz@suse.de>
25331         PR middle-end/39922
25332         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
25333         constants.
25335 2009-04-28  Richard Guenther  <rguenther@suse.de>
25337         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
25339 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
25341         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
25342         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
25343         * config/arm/arm-tune.md: Regenerate.
25345 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
25347         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
25348         block if there are complex incoming edges.
25349         (sel_merge_blocks): Remove useless assert.
25350         (sel_redirect_edge_and_branch): Check that edge was redirected.
25351         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
25352         (sel_find_rgns): Delete declaration.
25353         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
25354         the region when it is not a preheader.
25356 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
25358         PR c/39323
25359         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
25361 2009-04-28  Richard Guenther  <rguenther@suse.de>
25363         * tree.h (SSA_NAME_VALUE): Remove.
25364         (struct tree_ssa_name): Remove value_handle member.
25365         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
25366         array for jump threading.
25367         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
25368         SSA_NAME_VALUEs.
25369         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
25370         * tree-flow.h (threadedge_initialize_values): Declare.
25371         (threadedge_finalize_values): Likewise.
25372         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
25373         (SSA_NAME_VALUE): Define.
25374         (threadedge_initialize_values): New function.
25375         (threadedge_finalize_values): Likewise.
25376         * tree-ssa-dom.c (ssa_name_values): New global variable.
25377         (SSA_NAME_VALUE): Define.
25378         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
25380 2009-04-28  Ira Rosen  <irar@il.ibm.com>
25382         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
25383         Use REPORT_VECTORIZED_LOCATIONS instead
25384         REPORT_VECTORIZED_LOOPS.
25385         * tree-vectorizer.c (vect_verbosity_level): Make static.
25386         (vect_loop_location): Rename to vect_location.
25387         (vect_set_verbosity_level): Update comment.
25388         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
25389         and vect_location.
25390         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
25391         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
25392         instead REPORT_UNVECTORIZED_LOOPS.
25393         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
25394         and vect_loop_def to vect_external_def and vect_internal_def.
25395         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
25396         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and
25397         REPORT_UNVECTORIZED_LOCATIONS.
25398         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
25399         and vect_used_in_loop and to vect_unused_in_scope and
25400         vect_used_in_scope.
25401         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
25402         (vect_verbosity_level): Remove declaration.
25403         (vect_analyze_operations): Likewise.
25404         (vect_analyze_stmt): Declare.
25405         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
25406         REPORT_UNVECTORIZED_LOCATIONS.
25407         (vect_get_loop_niters): Fix indentation.
25408         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
25409         (vect_analyze_loop_operations): New function.
25410         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
25411         vect_analyze_operations.
25412         (vect_is_simple_reduction): Use new names.
25413         (vectorizable_live_operation, vect_transform_loop): Likewise.
25414         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
25415         to specify whether the data references can be a part of interleaving
25416         chain.
25417         (vect_analyze_data_ref_dependence): Use new names.
25418         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
25419         (vect_create_addr_base_for_vector_ref): Remove redundant code.
25420         * tree-vect-patterns.c (widened_name_p): Use new names.
25421         (vect_recog_dot_prod_pattern): Likewise.
25422         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
25423         (process_use, vect_mark_stmts_to_be_vectorized,
25424         vect_model_simple_cost, vect_model_store_cost,
25425         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
25426         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
25427         vectorizable_operation, vectorizable_type_demotion,
25428         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
25429         vectorizable_condition): Likewise.
25430         (vect_analyze_operations): Split into vect_analyze_loop_operations
25431         and ...
25432         (vect_analyze_stmt): ... new function.
25433         (new_stmt_vec_info): Use new names.
25434         (vect_is_simple_use): Use new names and fix comment.
25435         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
25436         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
25438 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
25440         PR target/39911
25441         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
25442         and integer modes for x87 operands.  Do not ICE for unsupported size,
25443         generate error instead.  Generate error for unsupported operand types.
25444         ['z']: Do not handle HImode memory operands specially.  Warning
25445         for floating-point operands.  Fallthru to 'Z' for unsupported operand
25446         types.  Do not ICE for unsupported size, generate error instead.
25447         (output_387_binary_op): Use %Z to output operands.
25448         (output_fp_compare): Ditto.
25449         (output_387_reg_move): Ditto.
25451 2009-04-28  Ben Elliston  <bje@au.ibm.com>
25453         PR c++/35652
25454         Revert:
25456         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25458         * builtins.c (c_strlen): Do not warn here.
25459         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
25460         * c-common.c (pointer_int_sum): Take an explicit location.
25461         Warn about offsets out of bounds.
25462         * c-common.h (pointer_int_sum): Adjust declaration.
25464 2009-04-27  Ian Lance Taylor  <iant@google.com>
25466         * collect2.c (is_ctor_dtor): Change type of ret field in struct
25467         names to symkind.
25468         * dce.c (run_fast_df_dce): Change type of old_flags to int.
25469         * df-core.c (df_set_flags): Change return type to int.  Change
25470         type of old_flags to int.
25471         (df_clear_flags): Likewise.
25472         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
25473         (df_get_conditional_uses): Likewise.
25474         * df.h (df_set_flags, df_clear_flags): Update declarations.
25475         * dwarf2out.c (struct indirect_string_node): Change type of form
25476         field to enum dwarf_form.
25477         (AT_string_form): Change return type to enum dwarf_form.
25478         * fixed-value.c (fixed_compare): Add cast to enum type.
25479         * fwprop.c (update_df): Change 0 to VOIDmode.
25480         * gensupport.c: Change 0 to UNKNOWN.
25481         * gimple.h (gimple_cond_code): Add cast to enum type.
25482         * haifa-sched.c (reemit_notes): Add cast to enum type.
25483         * hooks.c (hook_int_void_no_regs): Remove function.
25484         * hooks.h (hook_int_void_no_regs): Remove declaration.
25485         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
25486         * predict.c (combine_predictions_for_insn): Add casts to enum type.
25487         * real.c (real_arithmetic): Add cast to enum type.
25488         (real_compare): Likewise.
25489         * target.h (struct gcc_target): Change return type of
25490         branch_target_register_class to enum reg_class.
25491         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
25492         default_branch_target_register_class.
25493         * targhooks.c (default_branch_target_register_class): New function.
25494         * targhooks.h (default_branch_target_register_class): Declare.
25495         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
25496         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
25497         cast to int.
25498         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
25499         ERROR_MARK.
25500         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
25501         vect_uninitialized_def.  Change 0 to ERROR_MARK.
25502         * tree-vect-stmts.c (supportable_widening_operation): Don't
25503         initialize icode1 and icode2.
25504         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
25505         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
25506         and to STD_C89.
25507         (cmn_err_flag_specs): Change 0 to STD_C89.
25508         (cmn_err_char_table): Likewise.
25509         * config/arm/arm.c (get_arm_condition_code): Change type of code
25510         to enum arm_cond_code.
25511         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
25512         (IWMMXT_BUILTIN2): Likewise.
25513         (neon_builtin_type_bits): Don't define typedef.
25514         (neon_builtin_datum): Change type of bits field to int.
25515         (arm_expand_neon_args): Add cast to enum type.
25516         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
25517         TLS_MODEL_NONE.
25518         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
25519         casts to enum type.
25520         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
25521         MIPS_FP_COND_f.
25522         * config/mips/mips.md (jal_macro): Return enum constant.
25523         (single_insn): Likewise.
25524         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
25525         CODE_FOR_nothing.
25526         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
25527         casts to enum type.
25528         * config/s390/s390.c (s390_tune_flags): Change type to int.
25529         (s390_arch_flags): Likewise.
25530         (s390_handle_arch_option): Change flags field of struct pta to int.
25531         * config/s390/s390.h (s390_tune_flags): Update declaration.
25532         (s390_arch_flags): Likewise.
25533         * config/sh/sh.c (prepare_move_operands): Compare
25534         tls_symbolic_operand result with enum constant.
25535         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
25536         (sh_expand_prologue): Add cast to enum type.
25537         (sh_expand_epilogue): Likewise.
25538         (tls_symbolic_operand): Change return type to enum tls_model.
25539         (fpscr_set_from_mem): Add cast to enum type.
25540         (legitimize_pic_address): Compare tls_symbolic_operand result with
25541         enum constant.
25542         (sh_target_reg_class): Change return type to enum reg_class.
25543         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
25544         PROCESSOR_xxx.
25545         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
25546         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
25547         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
25548         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
25549         (delayed_branch, tls_call_delay): Likewise.
25550         (eligible_for_sibcall_delay): Likewise.
25551         (eligible_for_return_delay): Likewise.
25552         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
25553         (spu_expand_builtin_1): Likewise.
25555         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
25556         for all types of conversions.
25557         (output_init_element): Issue -Wc++-compat warning if needed when
25558         initializing a bitfield with enum type.
25559         * c-parser.c (c_parser_expression): Set original_type to
25560         original_type of right hand operand of comma operator.
25562 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
25564         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
25565         grammar nits.
25566         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
25567         * doc/cpp.texi (Standard Predefined Macros)
25568         (Implementation-defined behavior): Likewise.
25569         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
25570         * doc/gimple.texi (GIMPLE Exception Handling)
25571         (@code{GIMPLE_ASSIGN}): Likewise.
25572         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
25573         * doc/invoke.texi (Warning Options, Optimize Options)
25574         (AVR Options, Darwin Options): Likewise.
25575         (Optimize Options): Reformulate -fwhole-program description.
25576         * doc/loop.texi (Lambda): Likewise.
25577         * doc/md.texi (Output Template, Define Constraints)
25578         (Standard Names, Insn Splitting): Likewise.
25579         * doc/options.texi (Option properties): Likewise.
25580         * doc/passes.texi (Tree-SSA passes): Likewise.
25581         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
25582         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
25583         (File Names and DBX): Likewise.
25584         * doc/trouble.texi (Incompatibilities): Likewise.
25586 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
25588         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
25589         instruction is correct.
25591 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
25593         Allow non-constant arguments to conversion intrinsics.
25594         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
25595         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
25596         * spu.c (print_operand): Handle 'v' and 'w'.
25597         (exp2_immediate_p, spu_gen_exp2): Define.
25598         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
25599         spu_convtf_1): Update parameter descriptions.
25600         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
25601         * constraints.md ('v', 'w'): New.
25602         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
25603         Remove.
25604         (i2f, I2F): New define_mode_attr.
25605         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
25606         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
25607         fixuns_truncv4sfv4si2):  Update to use mode attribute.
25608         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
25609         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
25610         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
25611         patterns for combine.
25613 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
25615         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
25616         (cprop, hoist, pre, store_motion): New debug counters.
25617         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
25618         is not an RTL pass anymore.
25619         (pass_profiling): Remove extern decl for pass removed in 2005.
25620         (pass_gcse, pass_jump_bypass): Remove.
25621         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
25622         to 0 for clean state.
25623         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
25624         * cse.c (gate_handle_cse_after_global_opts,
25625         rest_of_handle_cse_after_global_opts): New functions.
25626         (pass_cse_after_global_opts): New pass, does local CSE.
25627         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
25628         (TV_CPROP): New timevar.
25629         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
25630         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
25631         (gcse_main, recompute_all_luids): Remove.
25632         (compute_hash_table_work): Call max_reg_num instead of reading
25633         max_gcse_regno.
25634         (cprop_jump): Don't set run_jump_opt_after_gcse.
25635         (constprop_register): Always allow to alter jumps.
25636         (cprop_insn): Likewise.
25637         (do_local_cprop): Likewise.
25638         (local_cprop_pass): Likewise.  Return non-zero if something changed.
25639         (cprop): Remove function, fold interesting bits into one_cprop_pass.
25640         (find_implicit_sets): Add note about missed optimization opportunity.
25641         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
25642         pass_rtl_cprop execute function.
25643         Don't bother tracking the pass number, each pass gets its own dumpfile
25644         now anyway.
25645         Always allow to alter jumpsand bypass jumps.
25646         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
25647         will just find no suitable set.
25648         (pre_edge_insert): Fix dumping, this function is for PRE only.
25649         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
25650         pass_rtl_pre execute function.
25651         (hoist_code): Return non-zero if something changed.  Keep track of
25652         substitutions and insertions for statistics gathering similar to PRE.
25653         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
25654         called from the pass_rtl_hoist execute function.  Show pass statistics.
25655         (compute_store_table): Use max_reg_num directly instead of using the
25656         formerly global max_gcse_regno.
25657         (build_store_vectors): Likewise.
25658         (replace_store_insn): Fix dumping.
25659         (store_motion): Rename to ...
25660         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
25661         pass, called from the pass_rtl_store_motion execute function.  Keep
25662         track of substitutions and insertions for statistics gathering similar
25663         to PRE.
25664         (bypass_jumps): Remove, fold interesting bits into ...
25665         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
25666         from the pass_rtl_cprop execute function.
25667         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
25668         pass_jump_bypass): Remove.
25669         (gate_handle_gcse, rest_of_handle_gcse): Remove.
25670         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
25671         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
25672         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
25673         (gate_rtl_store_motion, execute_rtl_store_motion,
25674         pass_rtl_store_motion): New.
25675         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
25676         make it clear that -fcse-skip-blocks is a no-op for backward compat.
25677         * passes.c (init_optimization_passes): Remove pass_gcse and
25678         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
25679         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
25680         instead of pass_jump_bypass.
25682 2009-04-27  Richard Guenther  <rguenther@suse.de>
25684         PR middle-end/39928
25685         * gimplify.c (gimplify_expr): If we are required to create
25686         a temporary make sure it ends up as register.
25688 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
25690         PR target/39903
25691         * config/i386/i386.c (construct_container): Don't call
25692         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
25693         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
25695 2009-04-27  Michael Matz  <matz@suse.de>
25697         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
25698         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
25699         * tree-ssa-live.h (find_replaceable_exprs): Return a bitmap.
25700         (dump_replaceable_exprs): Take a bitmap.
25701         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
25702         array.
25703         (expand_gimple_basic_block): Likewise.
25704         * tree-ssa-ter.c (struct temp_expr_table_d): Make
25705         replaceable_expressions member a bitmap.
25706         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
25707         (mark_replaceable): Likewise.
25708         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
25709         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
25711 2009-04-27  Richard Guenther  <rguenther@suse.de>
25713         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
25714         (verify_stmts): Dispatch to gimple/type verification code.
25715         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
25716         issue with call argument types.
25718 2009-04-27  Michael Matz  <matz@suse.de>
25720         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
25721         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
25722         to above.
25724 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
25725             Eric Botcazou  <ebotcazou@adacore.com>
25727         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
25728         a label's basic block.
25729         (mark_target_live_regs): Tidy and rework obsolete comments.
25730         Change back DF problem to LIVE.  If a label starts a basic block,
25731         assume that all registers that used to be live then still are.
25732         (init_resource_info): If a label starts a basic block, set its
25733         BLOCK_FOR_INSN accordingly.
25734         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
25736 2009-04-27  Richard Guenther  <rguenther@suse.de>
25738         * tree-flow-inline.h (function_ann): Remove.
25739         (get_function_ann): Likewise.
25740         * tree-dfa.c (create_function_ann): Remove.
25741         * tree-flow.h (struct static_var_ann_d): Remove.
25742         (struct function_ann_d): Likewise.
25743         (union tree_ann_d): Remove fdecl member.
25744         (function_ann_t): Remove.
25745         (function_ann, get_function_ann, create_function_ann): Remove
25746         declarations.
25748 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
25750         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
25752 2009-04-27  Jan Hubicka  <jh@suse.cz>
25754         * ipa-pure-const.c (struct funct_state_d): New fields
25755         state_previously_known, looping_previously_known; remove
25756         state_set_in_source.
25757         (analyze_function): Use new fields.
25758         (propagate): Avoid assumption that state_set_in_source imply
25759         nonlooping.
25761         * tree-ssa-loop-niter.c (finite_loop_p): New function.
25762         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
25763         * cfgloop.h (finite_loop_p): Declare.
25765 2009-04-26  Michael Matz  <matz@suse.de>
25767         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
25769 2009-04-26  Michael Matz  <matz@suse.de>
25771         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
25772         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
25773         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
25774         pass_mark_used_blocks): Remove.
25775         * tree-optimize.c (pass_free_datastructures,
25776         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
25777         * passes.c (init_optimization_passes): Don't call
25778         pass_mark_used_blocks, remove dead code.
25780 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
25782         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
25783         * tree-ssa-live.h (register_ssa_partition): Likewise.
25785 2009-04-26  Michael Matz  <matz@suse.de>
25787         Expand from SSA.
25788         * builtins.c (fold_builtin_next_arg): Handle SSA names.
25789         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
25790         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
25791         SSA names.
25792         (compare_pairs): Swap cost comparison.
25793         (coalesce_ssa_name): Don't use change_partition_var.
25794         * tree-nrv.c (struct nrv_data): Add modified member.
25795         (finalize_nrv_r): Set it.
25796         (tree_nrv): Use it to update statements.
25797         (pass_nrv): Require PROP_ssa.
25798         * tree-mudflap.c (mf_decl_cache_locals,
25799         mf_build_check_statement_for): Use make_rename_temp.
25800         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
25801         * alias.c (find_base_decl): Handle SSA names.
25802         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
25803         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
25804         * rtl.h (set_reg_attrs_for_parm): Declare.
25805         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
25806         to "optimized", remove unused locals at finish.
25807         (execute_free_datastructures): Make global, call
25808         delete_tree_cfg_annotations.
25809         (execute_free_cfg_annotations): Don't call
25810         delete_tree_cfg_annotations.
25812         * ssaexpand.h: New file.
25813         * expr.c (toplevel): Include ssaexpand.h.
25814         (expand_assignment): Handle SSA names the same as register variables.
25815         (expand_expr_real_1): Expand SSA names.
25816         * cfgexpand.c (toplevel): Include ssaexpand.h.
25817         (SA): New global variable.
25818         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
25819         (SSAVAR): New macro.
25820         (set_rtl): New helper function.
25821         (add_stack_var): Deal with SSA names, use set_rtl.
25822         (expand_one_stack_var_at): Likewise.
25823         (expand_one_stack_var): Deal with SSA names.
25824         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
25825         before unique numbers.
25826         (expand_stack_vars): Use set_rtl.
25827         (expand_one_var): Accept SSA names, add asserts for them, feed them
25828         to above subroutines.
25829         (expand_used_vars): Expand all partitions (without default defs),
25830         then only the local decls (ignoring those expanded already).
25831         (expand_gimple_cond): Remove edges when jumpif() expands an
25832         unconditional jump.
25833         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
25834         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
25835         SSA name.
25836         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
25837         members of SA; deal with PARM_DECL partitions here; expand
25838         all PHI nodes, free tree datastructures and SA.  Commit instructions
25839         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
25840         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
25841         info and statements at start, collect garbage at finish.
25842         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
25843         (VAR_ANN_PARTITION) Remove.
25844         (change_partition_var): Don't declare.
25845         (partition_to_var): Always return SSA names.
25846         (var_to_partition): Only accept SSA names.
25847         (register_ssa_partition): Only check argument.
25848         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
25849         member.
25850         (delete_var_map): Don't free it.
25851         (var_union): Only accept SSA names, simplify.
25852         (partition_view_init): Mark only useful SSA names as used.
25853         (partition_view_fini): Only deal with SSA names.
25854         (change_partition_var): Remove.
25855         (dump_var_map): Use ssa_name instead of partition_to_var member.
25856         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
25857         basic blocks.
25858         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
25859         (struct _elim_graph): New member const_dests; nodes member vector of
25860         ints.
25861         (set_location_for_edge): New static helper.
25862         (create_temp): Remove.
25863         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
25864         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
25865         (new_elim_graph): Allocate const_dests member.
25866         (clean_elim_graph): Truncate const_dests member.
25867         (delete_elim_graph): Free const_dests member.
25868         (elim_graph_size): Adapt to new type of nodes member.
25869         (elim_graph_add_node): Likewise.
25870         (eliminate_name): Likewise.
25871         (eliminate_build): Don't take basic block argument, deal only with
25872         partition numbers, not variables.
25873         (get_temp_reg): New static helper.
25874         (elim_create): Use it, deal with RTL temporaries instead of trees.
25875         (eliminate_phi): Adjust all calls to new signature.
25876         (assign_vars, replace_use_variable, replace_def_variable): Remove.
25877         (rewrite_trees): Only do checking.
25878         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
25879         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
25880         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
25881         contains_tree_r, MAX_STMTS_IN_LATCH,
25882         process_single_block_loop_latch, analyze_edges_for_bb,
25883         perform_edge_inserts): Remove.
25884         (expand_phi_nodes): New global function.
25885         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
25886         functions, initialize new parameter, remember partitions having a
25887         default def.
25888         (finish_out_of_ssa): New global function.
25889         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
25890         don't reset in_ssa_p here, don't disable TER when mudflap.
25891         (pass_del_ssa): Remove.
25892         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
25893         partition members.
25894         (execute_free_datastructures): Declare.
25895         * Makefile.in (SSAEXPAND_H): New variable.
25896         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
25897         * basic-block.h (commit_one_edge_insertion): Declare.
25898         * passes.c (init_optimization_passes): Move pass_nrv and
25899         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
25900         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
25901         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
25902         (redirect_branch_edge): Deal with super block when expanding, split
25903         out jump patching itself into ...
25904         (patch_jump_insn): ... here, new static helper.
25906 2009-04-26  Michael Matz  <matz@suse.de>
25908         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
25909         beyond num_ssa_names.
25910         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
25911         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
25913 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
25915         PR inline-asm/39543
25916         * fwprop.c (forward_propagate_asm): New function.
25917         (forward_propagate_and_simplify): Propagate also into __asm, if it
25918         doesn't increase the number of referenced registers.
25920         PR c/39889
25921         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
25923 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
25925         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
25926         note_nonlocal_vla_type for nonlocal VLAs.
25927         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
25928         contains_remapped_vars, remap_vla_decls): New functions.
25929         (convert_nonlocal_reference_stmt): If not optimizing, call
25930         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
25931         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
25932         if it wasn't found in var_map.
25933         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
25934         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
25935         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
25936         declare_vars.
25937         * gimplify.c (nonlocal_vlas): New variable.
25938         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
25939         referenced VLAs.
25940         (gimplify_body): Create and destroy nonlocal_vlas.
25942         * dwarf2out.c (loc_descr_plus_const): New function.
25943         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
25944         mem_loc_descriptor, loc_descriptor_from_tree_1,
25945         descr_info_loc, gen_variable_die): Use it.
25947         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
25948         !TREE_STATIC VAR_DECLs.
25949         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
25950         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
25951         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
25952         DECL_BY_REFERENCE is valid.
25953         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
25954         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
25955         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
25956         Copy DECL_BY_REFERENCE.
25957         (struct nesting_copy_body_data): New type.
25958         (nesting_copy_decl): New function.
25959         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
25960         if they have variable length.
25962 2009-04-26  Michael Matz  <matz@suse.de>
25964         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
25965         mark new temporaries for renaming.
25967 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
25969         PR c/39581
25970         * c-decl.c (global_bindings_p): Return negative value.
25971         (c_variable_size): New.  Based on variable_size from
25972         stor-layout.c.
25973         (grokdeclarator): Call c_variable_size not variable_size.
25975 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
25977         * config/i386/i386.c (print_operand) ['z']: Fix typo.
25979 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
25981         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
25982         Redefine it to just use mingw/include.
25983         (ASM_SPEC): Rules for -m32 and -m64.
25984         (LINK_SPEC): Use Likewise.
25985         (SPEC_32): New define.
25986         (SPEC_64): Likewise.
25987         (SUB_LINK_SPEC): Likewise.
25988         (MULTILIB_DEFAULTS): New define.
25989         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
25990         Add multilib options.
25991         (MULTILIB_DIRNAMES): Likewise.
25992         (MULTILIB_OSDIRNAMES): Likewise.
25993         (LIBGCC): Likewise.
25994         (INSTALL_LIBGCC): Likewise.
25996 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
25998         PR c/39556
25999         * c-tree.h (enum c_inline_static_type): New.
26000         (record_inline_static): Declare.
26001         * c-decl.c (struct c_inline_static, c_inline_statics,
26002         record_inline_static, check_inline_statics): New.
26003         (pop_file_scope): Call check_inline_statics.
26004         (start_decl): Call record_inline_static instead of pedwarning
26005         directly for static in inline function.
26006         * c-typeck.c (build_external_ref): Call record_inline_static
26007         instead of pedwarning directly for static referenced in inline
26008         function.
26010 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
26012         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
26013         not new but only being rescanned.
26014         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
26015         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
26016         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
26017         record_set_info, compute_set, grealloc): Remove.
26018         (recompute_all_luids): New function.
26019         (gcse_main): Don't compute sets, and don't do related memory
26020         allocations/free-ing.  If something changed before the end of the
26021         pass, update LUIDs using recompute_all_luids.
26022         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
26023         (free_gcse_mem): Don't free it either.
26024         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
26025         Use the df insn LUIDs.
26026         (load_killed_in_block): Likewise.
26027         (compute_hash_table_work): Don't compute reg_set_in_block.
26028         (compute_transp): Use DF_REG_DEF_CHAINs.
26029         (local_cprop_pass): Don't use compute_sets and related functions.
26030         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
26031         Use get_max_uid() instead of max_cuid.
26032         (insert_insn_end_basic_block, pre_insert_copy_insn,
26033         update_ld_motion_stores): Don't try to
26034         keep reg_set tables up to date.
26035         (pre_insert_copies): Use df insn LUIDs.
26036         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
26037         (reg_set_info): Don't use extra bitmap argument.
26038         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
26039         information to compute regs_set_in_block.
26040         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
26041         (bypass_jumps): Don't use compute_sets and friends.
26043 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
26045         PR testsuite/39710
26046         * opts.c (undocumented_msg): Do not leave blank even with
26047         ENABLE_CHECKING.
26049 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
26051         * c-decl.c (build_enumerator): Allow values folding to integer
26052         constants but not integer constant expressions with a pedwarn if
26053         pedantic.
26055 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
26057         PR c/39582
26058         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
26059         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
26060         type is an integer constant.
26062 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
26064         PR target/39897
26065         * config/i386/i386.c (print_operand) ['z']: Revert handling of
26066         HImode operands.
26068 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
26070         PR c/39564
26071         * c-decl.c (grokdeclarator): Diagnose declarations of functions
26072         with variably modified return type and no storage class
26073         specifiers, except for the case of nested functions.  Distinguish
26074         extern declarations of functions with variably modified return
26075         types from those of objects with variably modified types.
26077 2009-04-25  Jan Hubicka  <jh@suse.cz>
26079         * tree.c (list_equal_p): New function.
26080         * tree.h (list_equal_p): Declare.
26081         * coretypes.h (edge_def, edge, const_edge, basic_block_def
26082         basic_block_def, basic_block, const_basic_block): New.
26083         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
26084         (redirect_eh_edge): New function.
26085         (make_eh_edge_update_phi): EH edges are not abnormal.
26086         * except.c: Include tree-flow.h.
26087         (list_match): New function.
26088         (eh_region_replaceable_by_p): New function.
26089         (replace_region): New function.
26090         (hash_type_list): New function.
26091         (hash_eh_region): New function.
26092         (eh_regions_equal_p): New function.
26093         (merge_peers): New function.
26094         (remove_unreachable_regions): Verify EH tree when checking;
26095         merge peers.
26096         (copy_eh_region_1): New function.
26097         (copy_eh_region): New function.
26098         (push_reachable_handler): New function.
26099         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
26100         regions without label but with live RESX.
26101         * except.h (redirect_eh_edge_to_label): New.
26102         * tree-flow.h (redirect_eh_edge): New.
26103         * coretypes.h (edge_def, edge, const_edge, basic_block_def
26104         basic_block_def, basic_block, const_basic_block): Remove.
26105         * Makefile.in (except.o): Add dependency on tree-flow.h
26106         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
26107         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
26108         Remove.
26110 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
26112         PR bootstrap/39645
26113         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
26114         on the destination of memcpy.
26116 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
26118         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
26119         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
26120         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
26122 2009-04-25  Jan Hubicka  <jh@suse.cz>
26124         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
26125         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
26126         to be reached by different label than left.
26127         (update_eh_edges): Update comment; remove edge_to_remove if possible
26128         and return true if suceeded.
26129         (cleanup_empty_eh): Accept sharing map; handle shared regions.
26130         (cleanup_eh): Compute sharing map.
26131         * except.c (remove_eh_handler_and_replace): Add argument if we should
26132         update regions.
26133         (remove_unreachable_regions): Update for label sharing.
26134         (label_to_region_map): Likewise.
26135         (get_next_region_sharing_label): New function.
26136         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
26137         prev_try pointers.
26138         (remove_eh_handler): Update.
26139         (remove_eh_region_and_replace_by_outer_of): New function.
26140         * except.h (struct eh_region): Add next_region_sharing_label.
26141         (remove_eh_region_and_replace_by_outer_of,
26142         get_next_region_sharing_label): Declare.
26143         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
26145 2009-04-25  Jan Hubicka  <jh@suse.cz>
26147         * tree-cfg.c (split_critical_edges): Split also edges where we can't
26148         insert code even if they are not critical.
26150 2009-04-25  Jan Hubicka  <jh@suse.cz>
26152         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
26153         (gimple_can_remove_branch_p): EH edges won't remove branch by
26154         redirection.
26155         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
26156         updating of non-abnormal EH edges.
26157         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
26158         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
26159         (split_critical_edges): Split also edges where emitting code on them
26160         will lead to splitting later.
26162 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
26163             H.J. Lu  <hongjiu.lu@intel.com>
26165         PR target/39590
26166         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
26167         the configured assembler supports fildq and fistpq mnemonics.
26168         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
26169         * configure: Regenerated.
26170         * config.in: Ditto.
26172         * config/i386/i386.c (print_operand): Handle 'Z'.
26173         ['z']: Remove handling of special fild/fist suffixes.
26174         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
26175         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
26176         suffix of fild insn.
26177         (*floatsi<mode>2_vector_mixed): Ditto.
26178         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
26179         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
26180         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
26181         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
26182         * config/i386/gas.h (GAS_MNEMONICS): Remove.
26184 2009-04-25  Ben Elliston  <bje@au.ibm.com>
26186         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
26187         the source of a set operation.
26189 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
26191         * target.h (struct gcc_target): Add case_values_threshold field.
26192         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
26193         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
26194         * targhooks.c (default_case_values_threshold): New function.
26195         * targhooks.h (default_case_values_threshold): Declare function.
26196         * stmt.c (expand_case): Use case_values_threshold target hook.
26197         * expr.h (case_values_threshold): Remove declartation.
26198         * expr.c (case_values_threshold): Remove function.
26199         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
26201         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
26202         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
26203         (avr_case_values_threshold): Declare as static.
26204         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
26206         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
26207         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
26208         (mn10300_case_values_threshold): New function.
26210 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
26212         * ira.c (setup_cover_and_important_classes): Add enum cast.
26214 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
26216         * genpreds.c (write_enum_constraint_num): Output definition of
26217         CONSTRAINT_NUM_DEFINED_P macro.
26218         * ira.c (setup_cover_and_important_classes): Use
26219         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
26221 2009-04-24  DJ Delorie  <dj@redhat.com>
26223         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
26224         __SH2A_SINGLE_ONLY__ also.
26226 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
26228         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
26229         (movdf_internal): Ditto.
26230         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
26231         SFmode and DFmode constants.
26232         (ia64_print_operand): Add 'G' format for printing
26233         floating point constants.
26235 2009-04-24  Richard Guenther  <rguenther@suse.de>
26237         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
26238         from unsigned additions.
26240 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
26242         * c-typeck.c (set_init_index): Allow array designators that are
26243         not integer constant expressions with a pedwarn if pedantic.
26245 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
26247         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
26248         zero if no overlap in nonzero bits between the operands.
26250 2009-04-24  Ian Lance Taylor  <iant@google.com>
26252         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
26253         (record_dead_and_set_regs): Likewise.
26254         * df.h (struct df_mw_hardreg): Change flags field to int.
26255         (struct df_base_ref): Likewise.
26256         (struct df): Change changeable_flags field to int.
26257         * df-scan.c (df_defs_record): Change clobber_flags to int.
26258         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
26259         constants rather than #define macros.
26260         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
26261         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
26262         (enum dwarf_calling_convention): Likewise.
26263         (enum dwarf_line_number_x_ops): Likewise.
26264         (enum dwarf_call_frame_info): Likewise.
26265         (enum dwarf_source_language): Likewise.
26266         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
26267         (add_calling_convention_attribute): Likewise.
26268         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
26269         (combine_comparisons): Change compcode to int.  Add cast to enum type.
26270         * genrecog.c (maybe_both_true_2): Change c to int.
26271         (write_switch): Likewise.  Add cast to enum type.
26272         * gimplify.c (gimplify_omp_for): Handle return values from
26273         gimplify_expr using MIN rather than bitwise or.
26274         (gimplify_expr): Add cast to enum type.
26275         * ipa-prop.c (update_jump_functions_after_inlining): Change
26276         IPA_BOTTOM to IPA_JF_UNKNOWN.
26277         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
26278         Add casts to enum type.
26279         (setup_cover_and_important_classes): Change cl to int.  Add casts
26280         to enum type.
26281         (setup_class_translate): Change cl and mode to int.
26282         (ira_init_once): Change mode to int.
26283         (free_register_move_costs): Likewise.
26284         (setup_prohibited_mode_move_regs): Add casts to enum type.
26285         * langhooks.c (add_builtin_function_common): Rework assertion that
26286         value fits bitfield.
26287         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
26288         * omega.c (omega_do_elimination): Avoid math on enum types.
26289         * optabs.c (expand_vec_shift_expr): Remove casts to int.
26290         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
26291         int local to handle integral_argment value.
26292         * regmove.c (try_auto_increment): Change PUT_MODE to
26293         PUT_REG_NOTE_KIND.
26294         * reload.c (push_secondary_reload): Add casts to enum type.
26295         (secondary_reload_class, find_valid_class): Likewise.
26296         * reload1.c (emit_input_reload_insns): Likewise.
26297         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
26298         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
26299         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
26300         constant.
26301         * tree.c (build_common_builtin_nodes): Add casts to enum type.
26302         * tree-complex.c (complex_lattice_t): Typedef to int rather than
26303         enum type.
26304         (expand_complex_libcall): Add casts to enum type.
26305         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
26306         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
26307         with ERROR_MARK, not NUM_TREE_CODES.
26308         (vect_create_epilog_for_reduction): Likewise.
26309         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
26310         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
26311         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
26312         enum machine_mode.
26313         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
26314         vect_unused_in_loop.  Change 0 to loop_vect.
26315         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
26316         * var-tracking.c (get_init_value): Change return type to enum
26317         var_init_status.
26318         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
26319         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
26320         arm_fp_model.
26321         (arm_override_options): Add casts to enum type.
26322         (arm_emit_tls_decoration): Likewise.
26323         * config/i386/i386.c (ix86_function_specific_restore): Add casts
26324         to enum type.
26325         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
26326         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
26327         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
26328         enum type.
26329         * config/s390/s390.c (code_for_builtin_64): Change to array of
26330         enum insn_code.
26331         (code_for_builtin_31): Likewise.
26332         (s390_expand_builtin): Change code_for_builtin to enum insn_code
26333         const *.
26334         * config/sparc/sparc.c (sparc_override_options): Change value
26335         field in struct code_model to enum cmodel.  In initializer change
26336         0 to NULL and add cast to enum type.
26338         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
26339         Change all callers.  Issue a -Wc++-compat warning using
26340         lhs_origtype if necessary.
26341         (convert_for_assignment): Issue -Wc++-compat warnings about
26342         invalid conversions to enum type on assignment.
26343         * c-common.h (build_modify_expr): Update declaration.
26345 2009-04-24  Nick Clifton  <nickc@redhat.com>
26347         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
26348         (function_arg_advance): Likewise.
26349         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
26350         5th alternative.
26352 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
26354         * config/s390/constraints.md ('I', 'J'): Fix condition.
26356 2009-04-24  Diego Novillo  <dnovillo@google.com>
26358         * gengtype-parse.c (parse_error): Add newline after message.
26360 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
26362         * config/i386/sse.md (avxmodesuffixs): Removed.
26363         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
26364         (*avx_pinsr<ssevecsize>): This.
26366 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
26368         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
26369         follow chains of regs with a single definition, and allow expressions
26370         that are function_invariant_p.
26371         (simple_rhs_p): Allow expressions that are function_invariant_p.
26373 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
26375         PR middle-end/39867
26376         * fold-const.c (fold_cond_expr_with_comparison): When folding
26377         > and >= to MAX, make sure the MAX uses the same type as the
26378         comparison's operands.
26380 2009-04-24  Nick Clifton  <nickc@redhat.com>
26382         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
26383         addressing for DImode accesses.
26384         (frv_print_operand_address): Handle PLUS case.
26385         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
26387 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
26389         PR rtl-optimization/39794
26390         * alias.c (canon_true_dependence): Add x_addr argument.
26391         * rtl.h (canon_true_dependence): Adjust prototype.
26392         * cse.c (check_dependence): Adjust canon_true_dependence callers.
26393         * cselib.c (cselib_invalidate_mem): Likewise.
26394         * gcse.c (compute_transp): Likewise.
26395         * dse.c (scan_reads_nospill): Likewise.
26396         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
26397         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
26398         canon_base_addr of the group, plus optional offset.
26399         (struct group_info): Rename canon_base_mem to
26400         canon_base_addr.
26401         (get_group_info): Set canon_base_addr to canon_rtx of base, not
26402         canon_rtx of base_mem.
26404 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
26406         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
26407         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
26409 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
26411         * config/spu/spu-builtins.h: Delete file.
26413         * config/spu/spu.h (enum spu_builtin_type): Move here from
26414         spu-builtins.h.
26415         (struct spu_builtin_description): Likewise.  Add GTY marker.
26416         Do not use enum spu_function_code or enum insn_code.
26417         (spu_builtins): Add extern declaration.
26419         * config/spu/spu.c: Do not include "spu-builtins.h".
26420         (enum spu_function_code, enum spu_builtin_type_index,
26421         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
26422         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
26423         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
26424         unsigned_V2DI_type_node): Move here from spu-builtins.h.
26425         (spu_builtin_types): Make static.  Add GTY marker.
26426         (spu_builtins): Add extern declaration with GTY marker.
26427         Include "gt-spu.h".
26429         * config/spu/spu-c.c: Do not include "spu-builtins.h".
26430         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
26431         Check programmatically whether all parameters are scalar.
26433         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
26435 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
26437         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
26438         assignment from the constructor either if the target is volatile.
26440 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
26442         * config/arm/arm.md (insv): Do not share operands[0].
26444 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
26446         * config/vxlib-tls.c (active_tls_threads): Delete.
26447         (delete_hook_installed): New.
26448         (tls_delete_hook): Don't delete the delete hook.
26449         (tls_destructor): Delete it here.
26450         (__gthread_set_specific): Adjust installing the delete hook.
26451         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
26452         __gthread_leave_tsd_dtor_context.
26454 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
26456         * c-format.c (gcc_tdiag_char_table): Add support for %E.
26458 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
26460         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
26461         enum type.
26462         (alpha_rtx_costs): Ditto.
26463         (emit_unlikely_jump): Use add_reg_note.
26464         (emit_frame_store_1): Ditto.
26465         (alpha_expand_prologue): Ditto.
26466         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
26467         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
26469 2009-04-23  Nick Clifton  <nickc@redhat.com>
26471         * config/v850/v850.md (epilogue): Remove suppressed code.
26472         (return): Rename to return_simple and remove test of frame size.
26473         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
26474         to gen_return_simple.
26476 2009-04-22  Jing Yu  <jingyu@google.com>
26478         PR testsuite/39781
26479         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
26481 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
26483         PR C/31499
26484         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
26485         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
26486         value is a VECTOR_CST, the element type is the element type of the
26487         vector.
26489 2009-04-22  DJ Delorie  <dj@redhat.com>
26491         * config/m32c/m32c.h: Update GTY annotations to new syntax.
26493 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
26495         * alias.c (find_base_term): Move around LO_SUM case, so that
26496         CONST falls through into PLUS/MINUS handling.
26498         PR c/39855
26499         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
26500         into 0, use omit_one_operand.
26502 2009-04-23  Ben Elliston  <bje@au.ibm.com>
26504         * config/rs6000/linux-unwind.h (get_regs): Remove type
26505         puns. Change the type of `pc' to an array of unsigned ints and
26506         update all users.  Constify frame24.
26508 2009-04-22  DJ Delorie  <dj@redhat.com>
26510         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
26511         declarations before code.
26512         (current_function_special_page_vector): Likewise.
26513         (m32c_expand_insv): Silence a warning.
26515 2009-04-21  Taras Glek  <tglek@mozilla.com>
26517         * alias.c: Update GTY annotations to new syntax.
26518         * basic-block.h: Likewise.
26519         * bitmap.h: Likewise.
26520         * c-common.h: Likewise.
26521         * c-decl.c: Likewise.
26522         * c-parser.c: Likewise.
26523         * c-pragma.c: Likewise.
26524         * c-tree.h: Likewise.
26525         * cfgloop.h: Likewise.
26526         * cgraph.h: Likewise.
26527         * config/alpha/alpha.c: Likewise.
26528         * config/arm/arm.h: Likewise.
26529         * config/avr/avr.h: Likewise.
26530         * config/bfin/bfin.c: Likewise.
26531         * config/cris/cris.c: Likewise.
26532         * config/darwin.c: Likewise.
26533         * config/frv/frv.c: Likewise.
26534         * config/i386/i386.c: Likewise.
26535         * config/i386/i386.h: Likewise.
26536         * config/i386/winnt.c: Likewise.
26537         * config/ia64/ia64.h: Likewise.
26538         * config/iq2000/iq2000.c: Likewise.
26539         * config/mips/mips.c: Likewise.
26540         * config/mmix/mmix.h: Likewise.
26541         * config/pa/pa.c: Likewise.
26542         * config/pa/pa.h: Likewise.
26543         * config/rs6000/rs6000.c: Likewise.
26544         * config/s390/s390.c: Likewise.
26545         * config/sparc/sparc.c: Likewise.
26546         * config/xtensa/xtensa.c: Likewise.
26547         * cselib.h: Likewise.
26548         * dbxout.c: Likewise.
26549         * dwarf2out.c: Likewise.
26550         * except.c: Likewise.
26551         * except.h: Likewise.
26552         * fixed-value.h: Likewise.
26553         * function.c: Likewise.
26554         * function.h: Likewise.
26555         * gimple.h: Likewise.
26556         * integrate.c: Likewise.
26557         * optabs.c: Likewise.
26558         * output.h: Likewise.
26559         * real.h: Likewise.
26560         * rtl.h: Likewise.
26561         * stringpool.c: Likewise.
26562         * tree-data-ref.c: Likewise.
26563         * tree-flow.h: Likewise.
26564         * tree-scalar-evolution.c: Likewise.
26565         * tree-ssa-address.c: Likewise.
26566         * tree-ssa-alias.h: Likewise.
26567         * tree-ssa-operands.h: Likewise.
26568         * tree.c: Likewise.
26569         * tree.h: Likewise.
26570         * varasm.c: Likewise.
26571         * varray.h: Likewise.
26572         * vec.h: Likewise.
26573         * coretypes.h: Do not define GTY macro if it is already defined.
26574         * doc/gty.texi: Update GTY documentation to new syntax.
26575         * gengtype-lex.l: Enforce attribute-like syntax for GTY
26576         annotations on structs.
26577         * gengtype-parse.c: Likewise.
26579 2009-04-22  Mark Heffernan  <meheff@google.com>
26581         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
26583 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
26585         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
26586         where appropriate.
26588 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
26590         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
26591         the same as a PLUS without a shift.  Increase the cost of a
26592         CONST_INT in MULT.
26594 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
26596         * Makefile.in: Update dependencies.
26597         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
26598         * errors.h: Remove bogus comment about compatibility.
26599         (warning): Update declaration.
26600         * genautomata.c: Update all calls to warning.
26601         * gimple.c: Do not include errors.h. Include toplev.h.
26602         * tree-ssa-structalias.c: Do not include errors.h.
26603         * omega.c: Likewise.
26604         * tree-ssa-reassoc.c: Likewise.
26605         * config/spu/spu-c.c: Likewise.
26606         * config/spu/t-spu-elf: Update dependencies.
26608 2009-04-22  Richard Guenther  <rguenther@suse.de>
26610         PR tree-optimization/39824
26611         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
26612         make sure the types are compatible.
26614 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
26616         PR c++/14875
26617         * c-common.c (c_parse_error): Take a token_flags parameter.
26618         Use token_type for the token type instead.
26619         Pass token_flags to cpp_type2name.
26620         * c-common.h (c_parse_error): Update declaration.
26621         * c-parser.c (c_parser_error): Pass 0 as token flags.
26623 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
26625         PR rtl-optimization/39580
26626         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert.
26628 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
26630         * function.c (expand_function_end): Do not emit a jump to the "naked"
26631         return label for fall-through returns.
26632         * except.c (sjlj_emit_function_exit): Always place the call to the
26633         unregister function at the location installed by expand_function_end.
26635 2009-04-22  Richard Guenther  <rguenther@suse.de>
26637         PR tree-optimization/39845
26638         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
26639         (gen_inbound_check): Likewise.
26641 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
26643         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
26644         padding for PPC.
26645         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
26646         * config/vxlib.c (__gthread_once): Add race guard for PPC.
26648 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
26650         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
26651         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
26652         shift counts to avoid out-of-bounds array accesses.
26654 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
26656         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
26657         (Pmode): Move above.
26659 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
26661         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
26662         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
26663         GET_CODE macro.  Use IN_RANGE macro where appropriate.
26664         * config/alpha/alpha.h: Ditto.
26665         * config/alpha/alpha.md: Ditto.
26666         * config/alpha/constraints.md: Ditto.
26667         * config/alpha/predicates.md: Ditto.
26669 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
26671         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
26672         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26673         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26674         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26675         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26676         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26677         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26678         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26679         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26680         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26681         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26682         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26683         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26684         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26685         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26686         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26687         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26688         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26689         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26690         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26691         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26692         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26693         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26694         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26695         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26696         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26697         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
26699 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
26701         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
26702         references from comments.
26703         * cfgbuild.c (count_basic_blocks): Delete.
26704         (find_basic_blocks_1): Delete.
26705         (find_basic_blocks): Delete.
26706         * except.c (finish_eh_generation): Make static.  Move comment from
26707         except.h here.  Remove find_basic_blocks references from comments.
26708         * except.h (finish_eh_generation): Delete.
26709         * basic-block.h (find_basic_blocks): Delete.
26710         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
26712 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
26714         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
26715         (sdbout_parms):  Likewise.
26717 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
26719         * config/sh/sh.c (prepare_cbranch_operands): Use
26720         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
26721         (expand_cbranchdi4): Likewise.
26722         (from_compare): Add cast to enum type.
26723         (expand_cbranchsi4): Use add_reg_note.
26724         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
26725         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
26726         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
26727         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
26728         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
26729         instead of CODE_FOR_nothing.
26730         (cbranchdi4): Likewise.  Fix the order of arguments for
26731         gen_rtx_fmt_ee.
26732         (push_fpscr): Use add_reg_note.
26733         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
26734         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
26736 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
26738         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
26739         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
26740         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
26741         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
26742         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
26743         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
26744         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
26745         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
26746         config/alpha/x-vms, config/arc/t-arc,
26747         config/arm/README-interworking, config/arm/arm-c.c,
26748         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
26749         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
26750         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
26751         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
26752         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
26753         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
26754         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
26755         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
26756         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
26757         config/cris/t-elfmulti, config/crx/t-crx,
26758         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
26759         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
26760         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
26761         config/h8300/t-h8300, config/i386/athlon.md,
26762         config/i386/darwin-libgcc.10.4.ver,
26763         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
26764         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
26765         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
26766         config/i386/t-linux64, config/i386/t-nwld,
26767         config/i386/t-rtems-i386, config/i386/t-sol2-10,
26768         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
26769         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
26770         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
26771         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
26772         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
26773         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
26774         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
26775         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
26776         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
26777         config/m68k/t-uclinux, config/mcore/t-mcore,
26778         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
26779         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
26780         config/mips/crtn.asm, config/mips/irix-crti.asm,
26781         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
26782         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
26783         config/mips/mips-fixed.md, config/mips/sb1.md,
26784         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
26785         config/mips/t-iris6, config/mips/t-isa3264,
26786         config/mips/t-libgcc-mips16, config/mips/t-linux64,
26787         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
26788         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
26789         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
26790         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
26791         config/mn10300/t-linux, config/mn10300/t-mn10300,
26792         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
26793         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
26794         config/picochip/libgccExtras/clzsi2.asm,
26795         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
26796         config/rs6000/darwin-libgcc.10.4.ver,
26797         config/rs6000/darwin-libgcc.10.5.ver,
26798         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
26799         config/rs6000/t-aix43, config/rs6000/t-aix52,
26800         config/rs6000/t-darwin, config/rs6000/t-fprules,
26801         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
26802         config/rs6000/t-lynx, config/rs6000/t-netbsd,
26803         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
26804         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
26805         config/rs6000/t-rtems, config/rs6000/t-spe,
26806         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
26807         config/score/t-score-elf, config/sh/divcost-analysis,
26808         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
26809         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
26810         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
26811         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
26812         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
26813         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
26814         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
26815         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
26816         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
26817         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
26818         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
26819         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
26820         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
26821         limitx.h, version.c, xcoff.h: Add copyright and license notices.
26822         * config/h8300/genmova.sh: Include copyright and license notices
26823         in generated output.
26824         * config/h8300/mova.md: Regenerate.
26825         * doc/install.texi2html: Include word "Copyright" in copyright
26826         notice and use name "Free Software Foundation, Inc.".
26827         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
26828         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
26829         ChangeLog-2007, ChangeLog-2008: Correct dates.
26831 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
26833         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
26834         NE_EXPR operations as well.
26835         * c-parser.c (c_parser_condition): Do not set location information on
26836         the condition.
26837         (c_parser_conditional_expression): Likewise.
26838         (c_parser_binary_expression): Set location information on operators.
26839         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
26840         TRUTH_NOT_EXPR has been folded.
26841         * fold-const.c (fold_truth_not_expr): Copy location information from
26842         the incoming expression to the outgoing one.
26843         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
26844         recursive calls on the LHS of the operator but pass that of the
26845         operator to recursive calls on the RHS of the operator.  Set it
26846         on the COND_EXPR.
26847         (shortcut_cond_expr): Set the locus of the operator on the second
26848         COND_EXPR and that of the expression on the first in degenerate cases.
26849         Pass the locus of the expression to calls to shortcut_cond_r.
26850         Set the locus of the 'then' block on the associated jump, if any.
26851         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
26852         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
26853         expression to call to gimplify_boolean_expr.
26855 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
26857         * config.gcc: Add additional configuration for
26858         i686-w64-mingw* and x86_64-w64-mingw* triplet.
26859         * config/i386/mingw-w64.h: New mingw-w64 specific header.
26860         (CPP_SPEC): Redefine for allowing -municode option.
26861         (STARTFILE_SPEC): Likewise.
26862         * config/i386/t-mingw-w64: New.
26863         * config/i386/mingw-w64.opt: New.
26864         (municode): Add new target option.
26865         * doc/invoke.texi (municode): Add documentation for new option.
26867 2009-04-21  Ian Lance Taylor  <iant@google.com>
26869         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
26870         Correct test for number of arguments.
26871         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
26873 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
26875         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
26876         argument of emit_library_call.
26878 2009-04-21  Richard Guenther  <rguenther@suse.de>
26880         PR middle-end/39829
26881         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
26882         inside VIEW_CONVERT_EXPRs.
26884 2009-04-21  Martin Jambor  <mjambor@suse.cz>
26886         * tree-switch-conversion.c (build_constructors): Split a long line.
26887         (constructor_contains_same_values_p): New function.
26888         (build_one_array): Create assigns of constants if possible, do not
26889         call mark_sym_for_renaming, call update_stmt.
26890         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
26891         make_rename_temp.  Do not call mark_symbols_for_renaming, call
26892         update_stmt.
26893         (gen_def_assigns): Do not call mark_symbols_for_renaming or
26894         find_new_referenced_vars, call update_stmt.
26895         (gen_inbound_check): Use create_tmp_var and create ssa names manually
26896         instead of calling make_rename_temp.  Do not call
26897         find_new_referenced_vars or mark_symbols_for_renaming, call
26898         update_stmt.
26900 2009-04-21  Richard Guenther  <rguenther@suse.de>
26902         PR tree-optimization/39827
26903         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
26904         (tree_ssa_phiprop): Pass the correct array size.
26906 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
26908         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
26910 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
26912         PR 16202
26913         * c-typeck.c (lvalue_p): Move declaration ...
26914         * c-common.h (lvalue_p): ... to here.
26915         * c-common.c (candidate_equal_p): New.
26916         (add_tlist): Use it.
26917         (merge_tlist): Use it.
26918         (warn_for_collisions_1): Likewise.
26919         (warning_candidate_p): Accept more candidates.
26920         (verify_tree): A warning candidate can be an expression. Use
26921         candidate_equal_p.
26923 2009-04-21  Ben Elliston  <bje@au.ibm.com>
26925         PR target/5267
26926         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
26927         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
26928         options.  Remove -mcall-solaris documentation.
26930 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
26932         PR c++/13358
26933         * doc/invoke.texi (-Wlong-long): Update description.
26934         * c-lex (interpret_integer): Only warn if there was no previous
26935         overflow and -Wlong-long is enabled.
26936         * c-decl.c (declspecs_add_type): Drop redundant flags.
26937         * c.opt (Wlong-long): Init to -1.
26938         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
26939         and front-end warn_long_long. Wlong-long only depends on other
26940         flags if it is uninitialized.
26941         * c-parser.c (disable_extension_diagnostics): warn_long_long is
26942         the same for CPP and FE.
26943         (restore_extension_diagnostics): Likewise.
26945 2009-04-20  Ian Lance Taylor  <iant@google.com>
26947         Fix enum conversions which are invalid in C++:
26948         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
26949         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
26950         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
26951         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
26952         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
26953         (dbxout_parms): Likewise.
26954         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
26955         (df_clear_flags): Likewise.
26956         * df-problems.c (df_rd_bb_local_compute_process_def): Change
26957         top_flag parameter to int.
26958         (df_chain_create_bb_process_use): Likewise.
26959         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
26960         Remove cast.
26961         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
26962         (df_ref_create_structure, df_def_record_1): Likewise.
26963         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
26964         (df_notes_rescan): Change 0 to VOIDmode in function call.
26965         (df_get_call_refs, df_insn_refs_collect): Likewise.
26966         (df_bb_regs_collect): Likewise.
26967         (df_entry_block_defs_collect): Likewise.
26968         (df_exit_block_uses_collect): Likewise.
26969         * df.h: Update declarations.
26970         * double-int.c (double_int_divmod): Add cast to enum type.
26971         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
26972         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
26973         (based_loc_descr): Likewise.
26974         (loc_descriptor_from_tree_1): Change first_op and second_op to
26975         enum dwarf_location_atom.  Add cast to enum type.
26976         * expmed.c (init_expmed): Change 0 to SET in function call.
26977         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
26978         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
26979         (do_store_flag): Likewise.
26980         * fixed-value.h (struct fixed_value): Change mode to enum
26981         machine_mode.
26982         * function.c (assign_parms): Change 0 to VOIDmode in function call.
26983         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
26984         function call.
26985         (insert_insn_decl, insert_decl, insert_state): Likewise.
26986         (automata_list_finish): Likewise.
26987         * genrecog.c (process_define_predicate): Add cast to enum type.
26988         * gensupport.c (init_predicate_table): Add cast to enum type.
26989         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
26990         function call.
26991         (gimple_build_call_1, gimple_build_label): Likewise.
26992         (gimple_build_goto, gimple_build_asm_1): Likewise.
26993         (gimple_build_switch_1, gimple_build_cdt): Likewise.
26994         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
26995         (enum fallback): Rename from enum fallback_t.
26996         (fallback_t): Typedef as int.
26997         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
26998         GSI_SAME_STMT in function call.
26999         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
27000         enum type.
27001         (setup_reg_class_relations): Likewise.
27002         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
27003         (setup_prohibited_class_mode_regs): Add cast to enum type.
27004         (setup_prohibited_mode_move_regs): Likewise.
27005         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
27006         (record_address_regs): Change i to enum reg_class.
27007         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
27008         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
27009         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
27010         (GET_MODE_2XWIDER_MODE): Likewise.
27011         (GET_CLASS_NARROWEST_MODE): Likewise.
27012         * omp-low.c (expand_omp_for): Add cast to enum type.
27013         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
27014         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
27015         * postreload.c (reload_cse_simplify_operands): Change rclass local
27016         to enum reg_class.
27017         * predict.c (combine_predictions_for_insn): Change best_predictor
27018         and predictor to enum br_predictor.
27019         (combine_predictions_for_bb): Likewise.
27020         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
27021         use SET_PREDICT_EXPR_OUTCOME.
27022         * real.c (real_arithmetic): Change icode to code in function call.
27023         * reginfo.c (init_move_cost): Add casts to enum type.
27024         (init_reg_sets_1, init_fake_stack_mems): Likewise.
27025         * regmove.c (regclass_compatible_p): Change class0 and class1 to
27026         enum reg_class.
27027         * reload.c (find_valid_class): Add casts to enum type.
27028         (push_reload): Change 0 to NO_REGS in function call.
27029         (find_reloads): Change this_alternative to array of enum
27030         reg_class.  Remove some now-unnecessary casts.
27031         (make_memloc): Change 0 to VOIDmode in function call.
27032         * reload1.c (reload): Change 0 to VOIDmode in function call.
27033         (eliminate_regs_1, elimination_effects): Likewise.
27034         (eliminate_regs_in_insn): Likewise.
27035         (emit_input_reload_insns): Add cast to enum type.
27036         (delete_output_reload): Change 0 to VOIDmode in function call.
27037         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
27038         to enum type in function call.
27039         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
27040         (SET_PREDICT_EXPR_OUTCOME): Define.
27041         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
27042         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
27043         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
27044         (dump_function): Likewise.
27045         * tree-dump.h: Update declarations.
27046         * tree-pass.h: Update declarations.
27047         * varasm.c (assemble_integer): Change mclass to enum mode_class.
27048         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
27049         enum type.
27050         (arm_rtx_costs_1): Correct parenthesization.
27051         (arm_rtx_costs): Add casts to enum type.
27052         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
27053         (vfp_emit_fstmd): Use add_rg_note.
27054         (emit_multi_reg_push, emit_sfm): Likewise.
27055         (thumb_set_frame_pointer): Likewise.
27056         (arm_expand_prologue): Likewise.
27057         (arm_regno_class): Change return type to enum reg_class.
27058         (thumb1_expand_prologue): Use add_reg_note.
27059         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
27060         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
27061         in function call.
27062         * config/arm/gentune.sh: Add cast to enum type.
27063         * config/arm/arm-tune.md: Rebuild.
27064         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
27065         (ix86_split_fp_branch, predict_jump): Likewise.
27066         (ix86_expand_multi_arg_builtin): Change sub_code from enum
27067         insn_code to enum rtx_code.
27068         (ix86_builtin_vectorized_function): Add cast to enum type.
27069         * config/i386/i386.md (truncdfsf2): Change slot to enum
27070         ix86_stack_slot.
27071         (truncxf<mode>2, isinf<mode>2): Likewise.
27072         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
27073         enum type.
27074         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
27075         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
27076         (insert_bundle_state): Change 1 to INSERT in function call.
27077         (ia64_add_bundle_selector_before): Likewise.
27078         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
27079         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
27080         (restore_stack_nonlocal): Likewise.
27081         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
27082         function call.
27083         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
27084         function call.
27085         (mips_rtx_costs): Likewise.
27086         (mips_override_options): Add casts to enum type.
27087         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
27088         in function call.
27089         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
27090         (store_reg, set_reg_plus_d): Likewise.
27091         (hppa_expand_prologue, hppa_profile_hook): Likewise.
27092         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
27093         cast to enum type.
27094         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
27095         function call.
27096         (emit_unlikely_jump): Use add_reg_note.
27097         (rs6000_emit_allocate_stack): Likewise.
27098         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
27099         (output_toc): Change 1 to INSERT in function call.
27100         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
27101         (rs6000_initialize_trampoline): Likewise.
27102         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
27103         function call.
27104         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
27105         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
27106         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
27107         (save_gprs): Use add_reg_note.
27108         (s390_emit_prologue): Likewise.
27109         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
27110         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
27111         (sparc_fold_builtin): Add cast to enum type.
27112         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
27113         enum insn_code.
27114         (spu_expand_prologue): Use add_reg_note.
27115         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
27117 2009-04-20  Ian Lance Taylor  <iant@google.com>
27119         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
27120         (c_parser_postfix_expression_after_primary): Get VEC for list of
27121         arguments.  Get original types of arguments.  Call
27122         build_function_call_vec.
27123         (cached_expr_list_1, cached_expr_list_2): New static variables.
27124         (c_parser_expr_list): Change return type to VEC *.  Add
27125         p_orig_types parameter.  Change all callers.
27126         (c_parser_release_expr): New static function.
27127         (c_parser_vec_to_tree_list): New static function.
27128         * c-typeck.c (build_function_call): Rewrite to build a VEC and
27129         call build_function_call_vec.
27130         (build_function_call_vec): New function, based on old
27131         build_function_call.
27132         (convert_arguments): Remove nargs and argarray parameters.  Change
27133         values to a VEC.  Add origtypes parameter.
27134         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
27135         (convert_for_assignment): Add origtype parameter.  Change all
27136         callers.  If warn_cxx_compat, check for conversion to an enum
27137         type when calling a function.
27138         (store_init_value): Add origtype parameter.  Change all callers.
27139         (digest_init): Likewise.
27140         (struct init_node): Add origtype field.
27141         (add_pending_init): Add origtype parameter.  Change all callers.
27142         (output_init_element): Likewise.
27143         (output_pending_init_elements): Pass origtype from init_node to
27144         output_init_element.
27145         (process_init_element): Pass origtype from c_expr to
27146         output_init_element.
27147         (c_finish_return): Add origtype parameter.  Change all callers.
27148         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
27149         caller.
27150         (sync_resolve_params): Likewise.
27151         (sync_resolve_return): Change params to first_param.  Change caller.
27152         (resolve_overloaded_builtins): Change params to VEC *.  Change
27153         callers.  Save first parameter around call to build_function_call_vec.
27154         * c-decl.c (finish_decl): Add origtype parameter.  Change all
27155         callers.  Call build_function_call_vec rather than
27156         build_function_call for cleanup.
27157         * c-tree.h: Update declarations.
27158         * c-common.h: Update declarations.
27159         * stub-objc.c (objc_rewrite_function_call): Change parameter from
27160         params to first_param.
27161         * target.h (struct gcc_target): Change resolve_overloaded_builtin
27162         params parameter from tree to void *.
27163         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
27164         Change arglist parameter to have type void *, and to be a pointer
27165         to a VEC.
27166         * config/rs6000/rs6000-protos.h
27167         (altivec_resolve_overloaded_builtin): Update declaration.
27168         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
27169         fnargs parameter to have type void *, and to be a pointer to a
27170         VEC.  Call build_function_call_vec instead of
27171         build_function_call.
27172         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
27174 2009-04-20  Joey Ye  <joey.ye@intel.com>
27175             Xuepeng Guo  <xuepeng.guo@intel.com>
27176             H.J. Lu  <hongjiu.lu@intel.com>
27178         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
27180         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
27181         (IX86_LEA_PRIORITY): Likewise.
27182         (distance_non_agu_define): New function.
27183         (distance_agu_use): Likewise.
27184         (ix86_lea_for_add_ok): Likewise.
27185         (ix86_dep_by_shift_count): Likewise.
27187         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
27188         should split for LEA.
27190         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
27191         function.
27192         (ix86_dep_by_shift_count): Likewise.
27194 2009-04-20  Richard Guenther  <rguenther@suse.de>
27196         * expr.c (handled_component_p): Move ...
27197         * tree.h (handled_component_p): ... here.
27198         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
27199         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
27200         and REALPART_EXPR to be in one group.
27202 2009-04-20  Richard Guenther  <rguenther@suse.de>
27204         * basic-block.h (get_all_dominated_blocks): Declare.
27205         * dominance.c (get_all_dominated_blocks): New function.
27206         * tree-cfg.c (get_all_dominated_blocks): Remove.
27207         (remove_edge_and_dominated_blocks): Adjust.
27208         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
27209         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
27210         instead of recursing.
27212 2009-04-20  Doug Kwan  <dougkwan@google.com>
27214         * cgraph.h (cgraph_node_ptr): New type for vector functions.
27215         (struct cgraph_node_set_def): New type.
27216         (cgraph_node_set) New type. Also declare vector functions.
27217         (struct cgraph_node_set_element_def): New type.
27218         (cgraph_node_set_element): Ditto.
27219         (cgraph_node_set_iterator): New iterator type.
27220         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
27221         cgraph_node_set_remove, dump_cgraph_node_set,
27222         debug_cgraph_node_set): New prototypes.
27223         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
27224         cgraph_node_set_size): New inlines.
27225         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
27226         including cgraph.h.
27227         (struct ipa_opt_pass): Add struct cgraph_node_set_def
27228         argument to function 'write_summary'.
27229         * ipa.c: Include ggc.h.
27230         (hash_cgraph_node_set_element,
27231         eq_cgraph_node_set_element, cgraph_node_set_new,
27232         cgraph_node_set_add, cgraph_node_set_remove,
27233         cgraph_node_set_find, dump_cgraph_node_set,
27234         debug_cgraph_node_set): New functions.
27235         * Makefile.in (ipa.o): Add dependency on GGC_H.
27237 2009-04-20  Ira Rosen  <irar@il.ibm.com>
27239         PR tree-optimization/39675
27240         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
27241         check of the return code of vect_schedule_slp. Check that
27242         stmt_vec_info still exists for the statement, before checking its
27243         vectorization type.
27245 2009-04-20  Michael Matz  <matz@suse.de>
27247         * Makefile.in (generated_files): Take out $(simple_generated_c).
27249 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
27251         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
27252         (UINTPTR_TYPE):  Likewise.
27254 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
27256         PR c/37481
27257         * c-typeck.c (digest_init): Check for initializing an array with a
27258         string literal.
27260 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
27262         PR c/19771
27263         * c-semantics.c (pop_stmt_list): Propagate
27264         STATEMENT_LIST_HAS_LABEL to parent statement list.
27266 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
27268         * config/mips/mips.h (mips_tune_attr): New macro.
27269         * config/mips/mips.md (cpu): Use it.
27271 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
27273         PR c/38243
27274         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
27275         declaring a tag.
27277 2009-04-19  Diego Novillo  <dnovillo@google.com>
27279         * toplev.c (compile_file): Move call to coverage_finish ...
27280         * cgraphunit.c (ipa_passes): ... here.
27281         Call cgraph_process_new_functions.
27282         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
27283         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
27285 2009-04-19  Jan Hubicka  <jh@suse.cz>
27287         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
27288         cfun.
27289         (dump_cgraph_node): Dump can throw external flag.
27290         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
27292 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
27294         PR c/32061
27295         PR c++/36954
27296         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
27297         * common.opt (Wlogical-op): Move from here...
27298         * c.opt (Wlogical-op): ... to here.
27299         * c-typeck.c (parser_build_binary_op): Update call to
27300         warn_logical_operator.
27301         * c-opts.c (c_common_post_options): Enable warn_logical_op with
27302         extra_warnings.
27303         * c-common.c (warn_logical_op): Update.
27304         * c-common.h (warn_logical_op): Update declaration.
27306 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
27308         * tree.c (protected_set_expr_location): Fix formatting.
27310 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
27312         PR c/27676
27313         * c-typeck.c (readonly_warning): new.
27314         (build_unary_op, build_modify_expr): Use readonly_warning for
27315         storing into something readonly but not const-qualified.
27317 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
27319         PR c/22367
27320         * c-typeck.c (build_unary_op): Check for taking address of
27321         expression of type void.
27323 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
27325         PR c/35210
27326         * c-typeck.c (build_function_call): Check for calling a function
27327         with qualified void return types.  Call require_complete_type when
27328         generating a trap.
27330 2009-04-18  Jan Hubicka  <jh@suse.cz>
27332         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
27333         Set nothrow flag.
27334         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
27335         can_throw_external flag.
27336         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
27337         * ipa-pure-const.c (ignore_edge): New function.
27338         (propagate): Compute order for NOTHROW computation; set NOTHROWs
27339         only over can_throw_external edges.
27340         (local_pure_const): Add nothrow flag.
27341         * ipa-utils.c (searchc): Add ignore_edge callback.
27342         (ipa_utils_reduced_inorder): Add ignore_edge callback.
27343         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
27344         (set_nothrow_function_flags): Update cgraph.
27345         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
27347 2009-04-18  Richard Guenther  <rguenther@suse.de>
27349         PR middle-end/39804
27350         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
27351         (fold_stmt): ... this and ...
27352         (fold_stmt_inplace): ... this.
27353         (fold_stmt_1): Fold references in calls and asms.
27354         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
27356 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
27358         * tree-vrp.c (ssa_name_nonzero_p): Remove.
27359         * tree.h: Remove the prototype for ssa_name_nonzero_p.
27361 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
27363         * tree.c (function_args_count): Remove.
27364         * tree.h: Remove the prototype for function_args_count.
27366 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
27368         * tree-iterator.c (expr_only): Remove.
27369         * tree.h: Remove the prototype for expr_only.
27371 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
27373         * reginfo.c (cannot_change_mode_set_regs): Remove.
27374         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
27376 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
27378         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
27379         whether operands 0 and 1 overlaps.
27381 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
27383         PR middle-end/36902
27384         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
27385         pointer. Use warning_at instead of warning.
27386         (search_for_addr_array): Likewise.
27387         (check_array_bounds): Likewise.
27388         (check_all_array_refs): Check that the incoming edge is not in the
27389         list of edges to be removed.
27390         (check_all_array_refs): Avoid the temporal pointer.
27391         (vrp_visit_cond_stmt): Fix typo.
27392         (simplify_switch_using_ranges): Handle the case where the switch
27393         index is an integer constant.
27395 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
27397         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
27399 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
27401         * doc/extend.texi, doc/invoke.texi: Fix typos.
27403 2009-04-17  Cary Coutant  <ccoutant@google.com>
27405         * tree-flow-inline.h (get_lineno): Fix inverted test.
27407 2009-04-17  Diego Novillo  <dnovillo@google.com>
27409         * tree-ssa-pre.c (create_expression_by_pieces): Remove
27410         assertion for AVAIL_OUT.
27412 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
27414         PR target/38627
27415         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
27416         * config/sh/linux-atomic.asm: Likewise.
27418 2009-04-17  Diego Novillo  <dnovillo@google.com>
27420         * except.c (debug_eh_tree): New.
27421         (struct eh_region, struct eh_status): Move ...
27422         * except.h: ... here.
27423         (add_type_for_runtime): Declare extern.
27424         (lookup_type_for_runtime): Likewise.
27425         (debug_eh_tree): Declare.
27426         * Makefile.in (GTFILES): List except.h before except.c
27428 2009-04-17  Diego Novillo  <dnovillo@google.com>
27430         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
27431         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
27432         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
27433         (find_vars_r): ... here.
27434         * tree-flow.h (find_referenced_vars_in): Declare.
27435         * tree-ssa-pre.c (create_expression_by_pieces): Assert
27436         that AVAIL_OUT exists for BLOCK.
27437         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
27438         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
27439         (tree-parloops.o): Likewise.
27441 2009-04-17  Simon Baldwin  <simonb@google.com>
27443         * toplev.c (default_tree_printer): Add handling for %E format.
27445 2009-04-17  Diego Novillo  <dnovillo@google.com>
27447         * tree-pretty-print.c (dump_generic_node): Add break after
27448         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
27449         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
27450         FUNCTION_TYPE together.  Call print_struct_decl when printing
27451         structures and TDF_SLIM is not given.
27452         (print_struct_decl): Fix logic for detecting recursion.
27454 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
27456         PR 31567
27457         * gcc.c (create_at_file): New.
27458         (compile_input_file_p): New.
27459         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
27460         * main.c (main): Update call to toplev_main.
27461         * toplev.c (toplev_main): Change signature. Call expandargv.
27462         * toplev.h (toplev_main): Change signature.
27464 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
27466         * dwarf2out.c (field_byte_offset): Use the type size as the field size
27467         if the latter is not constant.
27469 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
27471         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
27473 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
27475         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
27476         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
27478 2009-04-17  Richard Guenther  <rguenther@suse.de>
27480         * tree-ssa-structalias.c (get_constraint_for_component_ref):
27481         Handle component references view-converting an invariant address.
27483 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
27485         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
27486         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
27487         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
27488         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
27489         Use @deftypevr rather than @deftypevar.
27491 2009-04-17  Richard Guenther  <rguenther@suse.de>
27493         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
27494         (get_prop_source_stmt): Likewise.
27495         (can_propagate_from): Likewise.
27497 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
27499         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
27500         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
27501         (--with-multilib-list): Add default value.
27502         * configure: Regenerate.
27503         * Makefile.in (TM_ENDIAN_CONFIG): Define.
27504         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
27505         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
27506         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
27507         Don't add default cpu to multilib list unnecessarily, but do enable
27508         the relevant compiler option..
27509         Add support for --with-multilib-list=<blank> and
27510         --with-multilib-list=!<somelib> to supress unwanted multilibs.
27511         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
27512         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
27513         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
27514         TM_MULTILIB_CONFIG.
27515         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
27516         (MULTILIB_OSDIRNAMES): New variable.
27517         * config/sh/t-1e: Delete file.
27518         * config/sh/t-mlib-sh1: Delete file.
27519         * config/sh/t-mlib-sh2: Delete file.
27520         * config/sh/t-mlib-sh2a: Delete file.
27521         * config/sh/t-mlib-sh2a-nofpu: Delete file.
27522         * config/sh/t-mlib-sh2a-single: Delete file.
27523         * config/sh/t-mlib-sh2a-single-only: Delete file.
27524         * config/sh/t-mlib-sh2e: Delete file.
27525         * config/sh/t-mlib-sh3e: Delete file.
27526         * config/sh/t-mlib-sh4: Delete file.
27527         * config/sh/t-mlib-sh4-nofpu: Delete file.
27528         * config/sh/t-mlib-sh4-single: Delete file.
27529         * config/sh/t-mlib-sh4-single-only: Delete file.
27530         * config/sh/t-mlib-sh4a: Delete file.
27531         * config/sh/t-mlib-sh4a-nofpu: Delete file.
27532         * config/sh/t-mlib-sh4a-single: Delete file.
27533         * config/sh/t-mlib-sh4a-single-only: Delete file.
27534         * config/sh/t-mlib-sh4al: Delete file.
27535         * config/sh/t-mlib-sh5-32media: Delete file.
27536         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
27537         * config/sh/t-mlib-sh5-64media: Delete file.
27538         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
27539         * config/sh/t-mlib-sh5-compact: Delete file.
27540         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
27541         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
27542         * doc/install.texi (Options specification): Add
27543         --with-multilib-list and --with-endian.
27545 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
27547         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
27548         REVISION_c.
27549         (OBJS-common): Add plugin-version.o.
27550         (plugin-version.o): New.
27551         * gcc-plugin.h (plugin_gcc_version): New.
27552         (plugin_default_version_check): New.
27553         (plugin_init_func, plugin_init): Add version argument.
27554         * plugin-version.c: New.
27555         * plugin.c (str_plugin_gcc_version_name): New.
27556         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
27557         pass it to the init function.
27558         (plugin_default_version_check): New.
27560 2009-04-17  Richard Guenther  <rguenther@suse.de>
27562         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
27563         for decl-vs-decl disambiguation.
27565 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
27567         * config/s390/s390.h (s390_tune_attr): New macro definition.
27568         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
27570 2009-04-17  Richard Guenther  <rguenther@suse.de>
27572         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
27573         (fold_stmt_r): Likewise.
27574         (maybe_fold_reference): New function.
27575         (fold_gimple_assign): Handle cases fold_stmt_r did.
27576         (fold_stmt): Do not use fold_stmt_r.
27577         (fold_stmt_inplace): Likewise.
27579 2009-04-17  Richard Guenther  <rguenther@suse.de>
27581         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
27582         (record_equivalences_from_stmt): Remove useless checks and
27583         simplifications.
27584         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
27585         the type is already suitable.
27587 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
27589         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
27591 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
27593         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
27594         (CMPtype): Define as __gcc_CMPtype.
27596 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
27598         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
27599         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
27601 2009-04-17  Richard Guenther  <rguenther@suse.de>
27603         PR tree-optimization/39746
27604         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
27605         special-casing for builtins and static variable use/def.
27606         (call_may_clobber_ref_p_1): Likewise.
27608 2009-04-16  Ian Lance Taylor  <iant@google.com>
27610         * df.h: Include "timevar.h".
27611         (struct df_problem): Change tv_id field to timevar_id_t.
27612         * tree-pass.h: Include "timevar.h".
27613         (struct opt_pass): Change tv_id field to timevar_id_t.
27614         * timevar.h (timevar_id_t): Define TV_NONE.
27615         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
27616         TV_NONE rather than tv_id != 0.
27617         (execute_one_pass): Likewise.
27618         * Makefile.in (DF_H): Add $(TIMEVAR_H).
27619         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
27620         dependencies to $(TREE_PASS_H).
27621         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
27622         to TV_NONE.
27623         (pass_branch_target_load_optimize2): Likewise.
27624         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
27625         (pass_outof_cfg_layout_mode): Likewise.
27626         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
27627         (pass_rebuild_cgraph_edges): Likewise.
27628         (pass_remove_cgraph_callee_edges): Likewise.
27629         * df-core.c (pass_df_initialize_opt): Likewise.
27630         (pass_df_initialize_no_opt): Likewise.
27631         (pass_df_finish): Likewise.
27632         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
27633         * except.c (pass_set_nothrow_function_flags): Likewise.
27634         (pass_convert_to_eh_region_ranges): Likewise.
27635         * final.c (pass_compute_alignments): Likewise.
27636         * function.c (pass_instantiate_virtual_regs): Likewise.
27637         (pass_init_function): Likewise.
27638         (pass_leaf_regs): Likewise.
27639         (pass_match_asm_constraints): Likewise.
27640         * gimple-low.c (pass_lower_cf): Likewise.
27641         (pass_mark_used_blocks): Likewise.
27642         * init-regs.c (pass_initialize_regs): Likewise.
27643         * integrate.c (pass_initial_value_sets): Likewise.
27644         * ira.c (pass_ira): Likewise.
27645         * jump.c (pass_cleanup_barriers): Likewise.
27646         * omp-low.c (pass_expand_omp): Likewise.
27647         (pass_lower_omp): Likewise.
27648         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
27649         * recog.c (pass_split_all_insns): Likewise.
27650         (pass_split_after_reload): Likewise.
27651         (pass_split_before_regstack): Likewise.
27652         (pass_split_before_sched2): Likewise.
27653         (pass_split_for_shorten_branches): Likewise.
27654         * reginfo.c (pass_reginfo_init): Likewise.
27655         (pass_subregs_of_mode_init): Likewise.
27656         (pass_subregs_of_mode_finish): Likewise.
27657         * passes.c (pass_postreload): Likewise.
27658         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
27659         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
27660         (pass_warn_function_return): Likewise.
27661         (pass_warn_function_noreturn): Likewise.
27662         * tree-complex.c (pass_lower_complex): Likewise.
27663         (pass_lower_complex_O0): Likewise.
27664         * tree-if-conv.c (pass_if_conversion): Likewise.
27665         * tree-into-ssa.c (pass_build_ssa): Likewise.
27666         * tree-mudflap.c (pass_mudflap_1): Likewise.
27667         (pass_mudflap_2): Likewise.
27668         * tree-nomudflap.c (pass_mudflap_1): Likewise.
27669         (pass_mudflap_2): Likewise.
27670         * tree-nrv.c (pass_return_slot): Likewise.
27671         * tree-object-size.c (pass_object_sizes): Likewise.
27672         * tree-optimize.c (pass_all_optimizations): Likewise.
27673         (pass_early_local_passes): Likewise.
27674         (pass_all_early_optimizations): Likewise.
27675         (pass_cleanup_cfg): Likewise.
27676         (pass_cleanup_cfg_post_optimizing): Likewise.
27677         (pass_free_datastructures): Likewise.
27678         (pass_free_cfg_annotations): Likewise.
27679         (pass_fixup_cfg): Likewise.
27680         (pass_init_datastructures): Likewise.
27681         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
27682         (pass_late_warn_uninitialized): Likewise.
27683         (pass_update_address_taken): Likewise.
27684         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
27685         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
27686         (pass_cse_sincos): Likewise.
27687         (pass_convert_to_rsqrt): Likewise.
27688         * tree-ssa-structalias.c (pass_build_alias): Likewise.
27689         * tree-stdarg.c (pass_stdarg): Likewise.
27690         * tree-tailcall.c (pass_tail_recursion): Likewise.
27691         (pass_tail_calls): Likewise.
27692         * tree-vect-generic.c (pass_lower_vector): Likewise.
27693         (pass_lower_vector_ssa): Likewise.
27694         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
27696 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
27698         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
27699         XLR entry.
27700         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
27701         Handle -march=xlr.
27702         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
27703         logical and signext.
27705 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
27707         PR target/39767
27708         * config/sh/predicates.md (arith_operand): Check if the operand
27709         of TRUNCATE is a REG.
27711 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
27713         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
27714         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
27716 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
27718         * tree-iterator.c (tsi_split_statement_list_after,
27719         tsi_split_statement_list_before): Remove.
27720         * tree-iterator.h: Remove the prototypes for
27721         tsi_split_statement_list_after and tsi_split_statement_list_before.
27723 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
27725         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
27726         * tree-ssa-propagate.h: Remove the prototype for
27727         stmt_makes_single_load.
27729 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
27731         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
27732         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
27734 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
27736         * tree-iterator.c (EXPR_LAST_BODY): Remove.
27738 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
27740         * except.c (eh_region_outer_p): Remove.
27741         * except.h: Remove the prototype for eh_region_outer_p.
27743 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
27745         * function.c (current_function_assembler_name): Remove.
27746         * function.h: Remove the prototype for
27747         current_function_assembler_name.
27749 2009-04-16  Ian Lance Taylor  <iant@google.com>
27751         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
27752         (add_reg_note): Call alloc_reg_note.
27753         * rtl.h (alloc_reg_note): Declare.
27754         * combine.c (try_combine): Use alloc_reg_note.
27755         (recog_for_combine, move_deaths): Likewise.
27756         (distribute_notes): Use alloc_reg_note and add_reg_note.
27757         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
27758         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
27759         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
27761 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
27763         PR rtl-optimization/39762
27764         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
27765         ira_may_move_out_cost): Add comments about way of their usage.
27766         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
27768         * ira-conflicts.c (process_regs_for_copy): Use function
27769         ira_get_register_move_cost instead of global
27770         ira_register_move_cost.
27772         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
27773         color_pass, move_spill_restore, update_curr_costs): Ditto.
27775         * ira-lives.c (process_single_reg_class_operands): Ditto.
27777         * ira-emit.c (emit_move_list): Ditto.
27779         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
27780         (record_reg_classes): Ditto.  Use functions
27781         ira_get_register_move_cost and ira_get_may_move_cost instead of
27782         global vars ira_register_move_cost, ira_may_move_out_cost and
27783         ira_may_move_in_cost.
27784         (record_address_regs): Don't call ira_init_register_move_cost.
27785         Use function ira_get_may_move_cost instead of global
27786         ira_may_move_in_cost.
27787         (process_bb_node_for_hard_reg_moves): Use function
27788         ira_get_register_move_cost instead of global ira_register_move_cost.
27789         (ira_costs): Don't call ira_init_register_move_cost.
27791 2009-04-16  Richard Guenther  <rguenther@suse.de>
27793         * tree-cfg.c (verify_gimple_assign_binary):
27794         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
27795         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
27796         (create_general_new_stmt): Note that this function is broken.
27798 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
27800         * common.opt (fhelp): Add Var(help_flag).
27801         * gcc-plugin.h (plugin_info): Add help.
27802         * plugin.c (plugin_name_args): Add help.
27803         (register_plugin_info): Set plugin->help.
27804         (print_help_one_plugin): New.
27805         (print_plugins_help): New.
27806         * plugin.h (print_plugins_help): New.
27807         * toplev.c (toplev_main): Call print_plugins_help if needed.
27809 2009-04-16  Richard Guenther  <rguenther@suse.de>
27811         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
27812         (gimple_ior_addresses_taken_1): New function.
27813         (gimple_ior_addresses_taken): Likewise.
27814         * gimple.h (struct gimple_statement_with_ops_base): Remove
27815         addresses_taken member.
27816         (gimple_ior_addresses_taken): Declare.
27817         (gimple_addresses_taken, gimple_addresses_taken_ptr,
27818         gimple_set_addresses_taken): Remove.
27819         * ipa-reference.c (mark_address): New function.
27820         (scan_stmt_for_static_refs): Use it for marking addresses taken.
27821         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
27822         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
27823         (gimple_add_to_addresses_taken): Remove.
27824         (get_tmr_operands): Call mark_address_taken.
27825         (get_asm_expr_operands): Likewise.
27826         (get_expr_operands): Likewise.
27827         (build_ssa_operands): Do not clear the addresses_taken bitmap.
27828         (free_stmt_operands): Do not free it.
27829         * tree-ssa.c (delete_tree_ssa): Likewise.
27830         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
27832 2009-04-16  Richard Guenther  <rguenther@suse.de>
27834         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
27835         (walk_stmt_load_store_ops): Likewise.
27836         * gimple.c (get_base_loadstore): New function.
27837         (walk_stmt_load_store_addr_ops): Likewise.
27838         (walk_stmt_load_store_ops): Likewise.
27839         * ipa-pure-const.c (check_op): Simplify.
27840         (check_load, check_store): New functions.
27841         (check_stmt): Use walk_stmt_load_store_ops.
27842         * ipa-reference.c (mark_load): Adjust signature.
27843         (mark_store): Likewise.
27844         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
27846 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
27848         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
27849         (plugin_info): New.
27850         * opts.c (common_handle_option): Don't call print_version.
27851         * plugin.c (plugin_name_args): Add version.
27852         (register_plugin_info): New.
27853         (register_callback): Handle PLUGIN_INFO.
27854         (try_init_one_plugin): New.
27855         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
27856         if failed to init.
27857         (finalize_one_plugin): New.
27858         (finalize_plugins): New.
27859         (print_one_plugin): New.
27860         (print_plugins_versions): New.
27861         * plugin.h (print_plugins_versions): New.
27862         (finalize_plugins): New.
27863         * toplev.c (compile_file): Don't call initialize_plugins.
27864         (print_version): Call print_plugins_versions.
27865         (toplev_main): Call initialize_plugins. Print version if needed.
27866         Call finalize_plugins.
27868 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
27870         * common.opt (fversion): New.
27871         * gcc.c (print_version): New.
27872         (process_command): Don't print the version. Just set print_version.
27873         (main): Print version. Call subprocesses if print_version and
27874         verbose_flag are set.
27875         * opts.c (common_handle_option): Handle OPT_fversion.
27877 2009-04-16  Richard Guenther  <rguenther@suse.de>
27878             Ira Rosen  <irar@il.ibm.com>
27880         PR tree-optimization/39698
27881         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
27882         type of the reduction variable.  Only generate the def if
27883         it is needed.
27885         * omp-low.c (expand_omp_for_generic): When converting to a pointer
27886         make sure to first convert to an integer of the same precision.
27887         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
27888         the type of the evolution correctly in computing the new
27889         induction variable base.
27891 2009-04-16  Richard Guenther  <rguenther@suse.de>
27893         PR middle-end/39625
27894         * tree-cfg.c (make_blocks): Split statements with to-be
27895         abnormal SSA names on the lhs.
27897 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
27899         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
27900         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
27901         * c-typeck.c (really_start_incremental_init): Likewise.
27902         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
27903         (TARGET_INITIALIZER): Remove it.
27904         * target.h (struct target): Remove vector_opaque_p.
27905         * tree.c (build_opaque_vector_type): New.
27906         * tree.h (TYPE_VECTOR_OPAQUE): New.
27907         (build_opaque_vector_type): Declare.
27908         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
27909         * config/rs6000/rs6000.c (build_opaque_vector_type,
27910         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
27911         (rs6000_init_builtins): Use build_opaque_vector_type for
27912         opaque_V4SI_type_node.
27914 2009-04-15  Catherine Moore  <clm@codesourcery.com>
27916         * debug.h (set_name):  Declare.
27917         * dwarf2out.c (dwarf2out_set_name): Declare.
27918         (dwarf2_debug_hooks): Add set_name.
27919         (find_AT_string): New.
27920         (add_AT_string): Call find_AT_string.
27921         (dwarf2out_set_name): New.
27922         * cp/decl.c (grokdeclarator): Call set_name.
27923         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
27924         * debug.c (do_nothing_debug_hooks):  Likewise.
27925         * dbxout.c (dbx_debug_hooks): Likewise.
27926         * sdbout.c (sdb_debug_hooks): Likewise.
27928 2009-04-15  Michael Eager  <eager@eagercon.com>
27930         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
27931         reg for single-precision FPU.
27932         * config/rs6000/rs6000.md (movsi_internal1): Only for
27933         !TARGET_SINGLE_FPU.
27934         (movsi_internal1_single): New. Add pattern to move SI values to/from
27935         single-precision FP regs.
27937 2009-04-15  Richard Guenther  <rguenther@suse.de>
27939         * omp-low.c (lower_rec_input_clauses): Build correct address
27940         expressions.
27941         (expand_omp_for_generic): Fix multiplication type.
27942         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
27943         (generate_memset_zero): Fix types.
27944         * tree-profile.c (prepare_instrumented_value): Correctly
27945         widen a pointer.
27947 2009-04-15  Ian Lance Taylor  <iant@google.com>
27949         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
27950         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
27951         for -Wall and for -Wc++-compat.
27952         (c_common_post_options): For C++, set warn_enum_compare if not
27953         already set.
27954         * c-tree.h (struct c_expr): Add field original_type.
27955         (build_external_ref): Update declaration.
27956         * c-parser.c (c_parser_braced_init): Set original_type.
27957         (c_parser_initelt): Likewise.
27958         (c_parser_expr_no_commas): Likewise.
27959         (c_parser_conditional_expression): Likewise.
27960         (c_parser_cast_expression): Likewise.
27961         (c_parser_unary_expression): Likewise.  Pull setting of
27962         original_code to top of function.
27963         (c_parser_sizeof_expression): Set original_type.
27964         (c_parser_alignof_expression): Likewise.
27965         (c_parser_postfix_expression): Likewise.  Pull setting of
27966         original_code to top of function.
27967         (c_parser_postfix_expression_after_paren_type): Set original_type.
27968         (c_parser_postfix_expression_after_primary): Likewise.
27969         (c_parser_expression): Likewise.
27970         * c-typeck.c (build_external_ref): Add type parameter.  Change all
27971         callers.
27972         (c_expr_sizeof_expr): Set original_type field.
27973         (parser_build_unary_op): Likewise.
27974         (parser_build_binary_op): Likewise.  Optionally warn about
27975         comparisons of enums of different types.
27976         (digest_init): Set original_type field.
27977         (really_start_incremental_init): Likewise.
27978         (push_init_level, pop_init_level): Likewise.
27979         * doc/invoke.texi (Warning Options): -Wenum-compare now
27980         supported in C.
27982 2009-04-15  Richard Guenther  <rguenther@suse.de>
27984         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
27985         out a necessary conversion.
27986         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
27987         names we didn't value number.
27988         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
27990 2009-04-15  Richard Guenther  <rguenther@suse.de>
27992         PR tree-optimization/39764
27993         * tree-ssa-ccp.c (get_value): Canonicalize value with
27994         canonicalize_float_value.
27996 2009-04-15  Jan Hubicka  <jh@suse.cz>
27998         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
27999         Wrong version of patch.
28001 2009-04-15  Jan Hubicka  <jh@suse.cz>
28003         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
28005 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
28007         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
28008         our distinct integral and vector types.
28010 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
28012         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
28013         * init.c (build_vtbl_address): Remove call to assemble_external.
28015 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
28017         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
28018         output for other floating point modes.
28020 2009-04-14  Diego Novillo  <dnovillo@google.com>
28022         * diagnostic.c (diagnostic_report_diagnostic): Do not
28023         warn about loaded plugins for DK_ERROR and DK_WARNING.
28024         * c-decl.c (declspecs_add_type): Move call to
28025         invoke_plugin_callbacks ...
28026         * c-parser.c (c_parser_declspecs): ... here.
28027         * plugin.c (dump_active_plugins): Tidy output.
28029 2009-04-14  Diego Novillo  <dnovillo@google.com>
28030             Le-Chun Wu  <lcwu@google.com>
28032         * configure.ac: Add --enable-plugin support.
28033         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
28034         * Makefile.in (PLUGIN_H): Define.
28035         Export ENABLE_PLUGIN and GMPINC to site.exp.
28036         Add PLUGINLIBS to link command.
28037         Add/modify dependencies for plugin.o and files including plugin.h.
28038         (plugin.o): New.
28039         * config.in: Regenerate.
28041         * opts.c (common_handle_option): Handle OPT_fplugin_ and
28042         OPT_fplugin_arg_.
28044 2009-04-14  Le-Chun Wu  <lcwu@google.com>
28046         * tree-pass.h (register_one_dump_file): Add a prototype for
28047         register_one_dump_file.
28048         * toplev.c (compile_file): Call initialize_plugins.
28049         (do_compile): Call invoke_plugin_callbacks.
28050         (toplev_main): Call invoke_plugin_callbacks.
28051         * common.opt: Add -fplugin= and -fplugin-arg-.
28052         * gcc-plugin.h: New public header file for plugins to include.
28053         * plugin.c: New source file.
28054         * plugin.h: New internal header file.
28055         * passes.c (register_one_dump_file): Make it external.
28057         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
28059 2009-04-14  Diego Novillo  <dnovillo@google.com>
28061         * doc/plugins.texi: New.
28062         * doc/gccint.texi: Add reference to Plugins chapter.
28063         * doc/invoke.texi: Document -fplugin and -fplugin-arg
28064         * diagnostic.c (diagnostic_report_diagnostic): Warn about
28065         loaded plugins, if any.
28066         * timevar.def (TV_PLUGIN_INIT): Define.
28067         (TV_PLUGIN_RUN): Define.
28068         * plugin.c: Include timevar.h
28069         (plugins_active_p): New.
28070         (dump_active_plugins): New.
28071         (debug_active_plugins): New.
28073 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
28075         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
28076         library paths.
28077         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
28079 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
28081         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
28082         the same as a minus without a shift.
28084 2009-04-14  Nick Clifton  <nickc@redhat.com>
28086         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
28087         comparisons with small integers will always produce a short
28088         branch.
28090 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
28092         Merge:
28093         2008-12-19  Diego Novillo  <dnovillo@google.com>
28095         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
28097 2009-04-14  Richard Guenther  <rguenther@suse.de>
28099         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
28100         verification.
28101         (verify_gimple_assign_binary): Likewise.  Handle shifts and
28102         rotates correctly.
28103         (verify_gimple_phi): Print the mismatched argument position.
28104         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
28105         Fix types.
28106         (vect_update_init_of_dr): Likewise.
28107         * matrix-reorg.c (transform_access_sites): Do what the
28108         comment suggests.
28109         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
28111 2009-04-13  Michael Eager  <eager@eagercon.com>
28113         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
28114         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
28115         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
28116         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
28117         remove duplicate config
28119 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
28121         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
28122         file_name:line_number type locator of the call site.
28124 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
28126         * genautomata.c: Put blank after comma.
28127         (automaton_decls): New.
28128         (struct unit_usage): Add comments to member next.
28129         (store_alt_unit_usage): Keep the list ordered.
28130         (unit_present_on_list_p, equal_alternatives_p): New.
28131         (check_regexp_units_distribution): Check units distribution
28132         correctness correctly.
28133         (main): Don't write automata if error is found.  Return correct
28134         exit code.
28136         * config/m68k/cf.md (cfv4_ds): Remove.
28137         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
28138         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
28140         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
28141         power4-load-ext, power4-store, power4-store-update,
28142         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
28143         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
28144         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
28145         power4-sqrt, power4-isync): Modify reservation to make correct
28146         unit distribution to automata.
28148         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
28149         power5-store-update, power5-two, power5-three, power5-lmul,
28150         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
28152 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
28154         * except.c (pass_set_nothrow_function_flags): Set name and add
28155         TODO_dump_func.
28156         (set_nothrow_function_flags): Mention in the dump file when
28157         changing a function to nothrow.
28159 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
28161         PR/39066
28162         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
28163         instead of unsigned long.
28165 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
28167         * config/arm/arm.c (return_used_this_function): Remove.
28168         (arm_output_function_prologue): Remove use of
28169         return_used_this_function.
28170         (output_return_instruction): Replace use of
28171         return_used_this_function
28172         by cfun->machine->return_used_this_function.
28173         (arm_output_epilogue): Likewise.
28174         (arm_output_function_epilogue): Likewise.
28175         (thumb_unexpanded_epilogue): Likewise.
28176         * config/arm/arm.h (struct machine_function):
28177         New member return_used_this_function.
28179 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
28181         * doc/install.texi: Correct description of default directory for
28182         --with-gxx-include-dir.
28184 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
28186         * fold-const.c (build_range_check): Properly deal with enumeral and
28187         boolean base types.
28189 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
28191         * doc/invoke.texi (max_gcse_passes): Remove documentation.
28192         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
28193         * params.h (MAX_GCSE_PASSES): Remove.
28194         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
28195         in sequence.  Remove ability to run multiple passes.
28196         (bypass_jumps): Report run as third CPROP pass.
28198 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
28200         PR middle-end/39651
28201         * except.c (can_throw_external): Look at each insn in a SEQUENCE
28202         when deciding whether the whole SEQUENCE can throw.
28204 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
28206         PR target/39740
28207         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
28208         offseted label references.
28210 2009-04-11  Jan Hubicka  <jh@suse.cz>
28212         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
28214 2009-04-11  Richard Guenther  <rguenther@suse.de>
28216         PR middle-end/39732
28217         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
28218         return variables as TREE_ADDRESSABLE.
28220 2009-04-11  Richard Guenther  <rguenther@suse.de>
28222         PR tree-optimization/39713
28223         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
28224         reference trees have SSA_NAME operands.
28226 2009-04-11  Richard Guenther  <rguenther@suse.de>
28228         PR c/39712
28229         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
28230         address expressions.
28232 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
28234         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
28235         match changes in Cygwin 1.7
28236         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
28237         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
28239 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
28241         PR tree-optimization/39701
28242         * doc/invoke.texi (Optimization Options): Document change in
28243         meaning and initialization of -fdelete-null-pointer-checks.
28245 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
28247         PR middle-end/39701
28248         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
28250         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
28251         here.
28253         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
28255 2009-04-10  Chao-ying Fu  <fu@mips.com>
28257         * doc/tm.texi (Instruction Output): Document
28258         TARGET_ASM_FINAL_POSTSCAN_INSN.
28259         * target.h (final_postscan_insn): New field in asm_out.
28260         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
28261         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
28262         * final.c (final_scan_insn): Call
28263         targetm.asm_out.final_postscan_insn after outputting
28264         an asm macro and a normal instruction.
28266         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
28267         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
28268         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
28269         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
28270         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
28272 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
28274         PR middle-end/39701
28275         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
28276         variables as non-NULL even with -fdelete-null-pointer-checks.
28278 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
28280         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
28282 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
28284         PR target/39678
28285         * config/i386/i386.c (classify_argument): Handle SCmode with
28286         (bit_offset % 64) != 0.
28288 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
28290         * doc/invoke.texi (Optimize Options): Add cross-reference to
28291         -Q --help=optimizers examples.
28293 2009-04-10  Ben Elliston  <bje@au.ibm.com>
28295         PR target/36800
28296         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
28297         regalign for the reg == fpr and TDmode case.
28299 2009-04-09  David Ayers  <ayers@fsfe.org>
28301         PR objc/29200
28302         * objc/objc-act.c (warn_with_method): Remove helper function.
28303         (check_duplicates): Call warning and inform directly.
28304         (really_start_method): Likewise.
28306 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
28308         * expmed.c (expand_divmod): Always use a comparison for a division
28309         by a large unsigned integer.
28311         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
28312         for things others than variables or functions as nonzero.
28314 2009-04-09  Nick Clifton  <nickc@redhat.com>
28316         * unwind-compat.c: Change copyright header to refer to version
28317         3 of the GNU General Public License with version 3.1 of the
28318         GCC Runtime Library Exception and to point readers at the
28319         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
28320         * config/alpha/crtfastmath.c: Likewise.
28321         * config/alpha/linux-unwind.h: Likewise.
28322         * config/alpha/qrnnd.asm: Likewise.
28323         * config/alpha/vms-crt0-64.c: Likewise.
28324         * config/alpha/vms-crt0.c: Likewise.
28325         * config/alpha/vms-dwarf2.asm: Likewise.
28326         * config/alpha/vms-dwarf2eh.asm: Likewise.
28327         * config/alpha/vms-psxcrt0-64.c: Likewise.
28328         * config/alpha/vms-psxcrt0.c: Likewise.
28329         * config/alpha/vms_tramp.asm: Likewise.
28330         * config/arc/initfini.c: Likewise.
28331         * config/arc/lib1funcs.asm: Likewise.
28332         * config/arm/bpabi-v6m.S: Likewise.
28333         * config/arm/bpabi.S: Likewise.
28334         * config/arm/bpabi.c: Likewise.
28335         * config/arm/crti.asm: Likewise.
28336         * config/arm/crtn.asm: Likewise.
28337         * config/arm/ieee754-df.S: Likewise.
28338         * config/arm/ieee754-sf.S: Likewise.
28339         * config/arm/lib1funcs.asm: Likewise.
28340         * config/arm/libunwind.S: Likewise.
28341         * config/arm/linux-atomic.c: Likewise.
28342         * config/arm/mmintrin.h: Likewise.
28343         * config/arm/pr-support.c: Likewise.
28344         * config/arm/unaligned-funcs.c: Likewise.
28345         * config/arm/unwind-arm.c: Likewise.
28346         * config/arm/unwind-arm.h: Likewise.
28347         * config/avr/libgcc.S: Likewise.
28348         * config/bfin/crti.s: Likewise.
28349         * config/bfin/crtlibid.s: Likewise.
28350         * config/bfin/crtn.s: Likewise.
28351         * config/bfin/lib1funcs.asm: Likewise.
28352         * config/bfin/linux-unwind.h: Likewise.
28353         * config/cris/arit.c: Likewise.
28354         * config/cris/cris_abi_symbol.c: Likewise.
28355         * config/darwin-64.c: Likewise.
28356         * config/darwin-crt2.c: Likewise.
28357         * config/darwin-crt3.c: Likewise.
28358         * config/darwin.h: Likewise.
28359         * config/dbxelf.h: Likewise.
28360         * config/dfp-bit.c: Likewise.
28361         * config/dfp-bit.h: Likewise.
28362         * config/elfos.h: Likewise.
28363         * config/fixed-bit.c: Likewise.
28364         * config/fixed-bit.h: Likewise.
28365         * config/fp-bit.c: Likewise.
28366         * config/fp-bit.h: Likewise.
28367         * config/fr30/crti.asm: Likewise.
28368         * config/fr30/crtn.asm: Likewise.
28369         * config/fr30/lib1funcs.asm: Likewise.
28370         * config/freebsd-spec.h: Likewise.
28371         * config/frv/cmovd.c: Likewise.
28372         * config/frv/cmovh.c: Likewise.
28373         * config/frv/cmovw.c: Likewise.
28374         * config/frv/frvbegin.c: Likewise.
28375         * config/frv/frvend.c: Likewise.
28376         * config/frv/lib1funcs.asm: Likewise.
28377         * config/glibc-stdint.h: Likewise.
28378         * config/h8300/clzhi2.c: Likewise.
28379         * config/h8300/crti.asm: Likewise.
28380         * config/h8300/crtn.asm: Likewise.
28381         * config/h8300/ctzhi2.c: Likewise.
28382         * config/h8300/fixunssfsi.c: Likewise.
28383         * config/h8300/lib1funcs.asm: Likewise.
28384         * config/h8300/parityhi2.c: Likewise.
28385         * config/h8300/popcounthi2.c: Likewise.
28386         * config/i386/ammintrin.h: Likewise.
28387         * config/i386/att.h: Likewise.
28388         * config/i386/avxintrin.h: Likewise.
28389         * config/i386/biarch64.h: Likewise.
28390         * config/i386/bmmintrin.h: Likewise.
28391         * config/i386/cpuid.h: Likewise.
28392         * config/i386/cross-stdarg.h: Likewise.
28393         * config/i386/crtfastmath.c: Likewise.
28394         * config/i386/crtprec.c: Likewise.
28395         * config/i386/cygming-crtbegin.c: Likewise.
28396         * config/i386/cygming-crtend.c: Likewise.
28397         * config/i386/cygwin.asm: Likewise.
28398         * config/i386/emmintrin.h: Likewise.
28399         * config/i386/gmm_malloc.h: Likewise.
28400         * config/i386/gthr-win32.c: Likewise.
28401         * config/i386/i386.h: Likewise.
28402         * config/i386/immintrin.h: Likewise.
28403         * config/i386/linux-unwind.h: Likewise.
28404         * config/i386/linux64.h: Likewise.
28405         * config/i386/mm3dnow.h: Likewise.
28406         * config/i386/mmintrin-common.h: Likewise.
28407         * config/i386/mmintrin.h: Likewise.
28408         * config/i386/nmmintrin.h: Likewise.
28409         * config/i386/pmm_malloc.h: Likewise.
28410         * config/i386/pmmintrin.h: Likewise.
28411         * config/i386/smmintrin.h: Likewise.
28412         * config/i386/sol2-c1.asm: Likewise.
28413         * config/i386/sol2-ci.asm: Likewise.
28414         * config/i386/sol2-cn.asm: Likewise.
28415         * config/i386/sol2-gc1.asm: Likewise.
28416         * config/i386/tmmintrin.h: Likewise.
28417         * config/i386/unix.h: Likewise.
28418         * config/i386/w32-unwind.h: Likewise.
28419         * config/i386/wmmintrin.h: Likewise.
28420         * config/i386/x86-64.h: Likewise.
28421         * config/i386/x86intrin.h: Likewise.
28422         * config/i386/xmmintrin.h: Likewise.
28423         * config/ia64/crtbegin.asm: Likewise.
28424         * config/ia64/crtend.asm: Likewise.
28425         * config/ia64/crtfastmath.c: Likewise.
28426         * config/ia64/crti.asm: Likewise.
28427         * config/ia64/crtn.asm: Likewise.
28428         * config/ia64/fde-glibc.c: Likewise.
28429         * config/ia64/lib1funcs.asm: Likewise.
28430         * config/ia64/linux-unwind.h: Likewise.
28431         * config/ia64/quadlib.c: Likewise.
28432         * config/ia64/unwind-ia64.c: Likewise.
28433         * config/linux.h: Likewise.
28434         * config/m32c/m32c-lib1.S: Likewise.
28435         * config/m32c/m32c-lib2-trapv.c: Likewise.
28436         * config/m32c/m32c-lib2.c: Likewise.
28437         * config/m32r/initfini.c: Likewise.
28438         * config/m68hc11/larith.asm: Likewise.
28439         * config/m68hc11/m68hc11-crt0.S: Likewise.
28440         * config/m68k/cf.md: Likewise.
28441         * config/m68k/crti.s: Likewise.
28442         * config/m68k/crtn.s: Likewise.
28443         * config/m68k/lb1sf68.asm: Likewise.
28444         * config/m68k/linux-unwind.h: Likewise.
28445         * config/mcore/crti.asm: Likewise.
28446         * config/mcore/crtn.asm: Likewise.
28447         * config/mcore/lib1.asm: Likewise.
28448         * config/mips/linux-unwind.h: Likewise.
28449         * config/mips/loongson.h: Likewise.
28450         * config/mips/mips16.S: Likewise.
28451         * config/mmix/crti.asm: Likewise.
28452         * config/mmix/crtn.asm: Likewise.
28453         * config/pa/fptr.c: Likewise.
28454         * config/pa/hpux-unwind.h: Likewise.
28455         * config/pa/lib2funcs.asm: Likewise.
28456         * config/pa/linux-atomic.c: Likewise.
28457         * config/pa/linux-unwind.h: Likewise.
28458         * config/pa/milli64.S: Likewise.
28459         * config/pa/quadlib.c: Likewise.
28460         * config/pa/stublib.c: Likewise.
28461         * config/picochip/libgccExtras/adddi3.asm: Likewise.
28462         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
28463         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
28464         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
28465         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
28466         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
28467         * config/picochip/libgccExtras/divmod15.asm: Likewise.
28468         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
28469         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
28470         * config/picochip/libgccExtras/longjmp.asm: Likewise.
28471         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
28472         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
28473         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
28474         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
28475         * config/picochip/libgccExtras/setjmp.asm: Likewise.
28476         * config/picochip/libgccExtras/subdi3.asm: Likewise.
28477         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
28478         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
28479         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
28480         * config/rs6000/750cl.h: Likewise.
28481         * config/rs6000/altivec.h: Likewise.
28482         * config/rs6000/biarch64.h: Likewise.
28483         * config/rs6000/crtresfpr.asm: Likewise.
28484         * config/rs6000/crtresgpr.asm: Likewise.
28485         * config/rs6000/crtresxfpr.asm: Likewise.
28486         * config/rs6000/crtresxgpr.asm: Likewise.
28487         * config/rs6000/crtsavfpr.asm: Likewise.
28488         * config/rs6000/crtsavgpr.asm: Likewise.
28489         * config/rs6000/darwin-asm.h: Likewise.
28490         * config/rs6000/darwin-fallback.c: Likewise.
28491         * config/rs6000/darwin-fpsave.asm: Likewise.
28492         * config/rs6000/darwin-ldouble.c: Likewise.
28493         * config/rs6000/darwin-tramp.asm: Likewise.
28494         * config/rs6000/darwin-unwind.h: Likewise.
28495         * config/rs6000/darwin-vecsave.asm: Likewise.
28496         * config/rs6000/darwin-world.asm: Likewise.
28497         * config/rs6000/e500crtres32gpr.asm: Likewise.
28498         * config/rs6000/e500crtres64gpr.asm: Likewise.
28499         * config/rs6000/e500crtres64gprctr.asm: Likewise.
28500         * config/rs6000/e500crtrest32gpr.asm: Likewise.
28501         * config/rs6000/e500crtrest64gpr.asm: Likewise.
28502         * config/rs6000/e500crtresx32gpr.asm: Likewise.
28503         * config/rs6000/e500crtresx64gpr.asm: Likewise.
28504         * config/rs6000/e500crtsav32gpr.asm: Likewise.
28505         * config/rs6000/e500crtsav64gpr.asm: Likewise.
28506         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
28507         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
28508         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
28509         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
28510         * config/rs6000/eabi-ci.asm: Likewise.
28511         * config/rs6000/eabi-cn.asm: Likewise.
28512         * config/rs6000/eabi.asm: Likewise.
28513         * config/rs6000/linux-unwind.h: Likewise.
28514         * config/rs6000/linux64.h: Likewise.
28515         * config/rs6000/paired.h: Likewise.
28516         * config/rs6000/paired.md: Likewise.
28517         * config/rs6000/ppc64-fp.c: Likewise.
28518         * config/rs6000/ppu_intrinsics.h: Likewise.
28519         * config/rs6000/rs6000.h: Likewise.
28520         * config/rs6000/si2vmx.h: Likewise.
28521         * config/rs6000/sol-ci.asm: Likewise.
28522         * config/rs6000/sol-cn.asm: Likewise.
28523         * config/rs6000/spe.h: Likewise.
28524         * config/rs6000/spu2vmx.h: Likewise.
28525         * config/rs6000/sysv4.h: Likewise.
28526         * config/rs6000/tramp.asm: Likewise.
28527         * config/rs6000/vec_types.h: Likewise.
28528         * config/s390/linux-unwind.h: Likewise.
28529         * config/s390/tpf-unwind.h: Likewise.
28530         * config/score/crti.asm: Likewise.
28531         * config/score/crtn.asm: Likewise.
28532         * config/sh/crt1.asm: Likewise.
28533         * config/sh/crti.asm: Likewise.
28534         * config/sh/crtn.asm: Likewise.
28535         * config/sh/divtab-sh4-300.c: Likewise.
28536         * config/sh/divtab-sh4.c: Likewise.
28537         * config/sh/divtab.c: Likewise.
28538         * config/sh/lib1funcs-4-300.asm: Likewise.
28539         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
28540         * config/sh/lib1funcs.asm: Likewise.
28541         * config/sh/lib1funcs.h: Likewise.
28542         * config/sh/linux-atomic.asm: Likewise.
28543         * config/sh/linux-unwind.h: Likewise.
28544         * config/sh/shmedia.h: Likewise.
28545         * config/sh/sshmedia.h: Likewise.
28546         * config/sh/ushmedia.h: Likewise.
28547         * config/sparc/crtfastmath.c: Likewise.
28548         * config/sparc/linux-unwind.h: Likewise.
28549         * config/sparc/sol2-c1.asm: Likewise.
28550         * config/sparc/sol2-ci.asm: Likewise.
28551         * config/sparc/sol2-cn.asm: Likewise.
28552         * config/spu/divmodti4.c: Likewise.
28553         * config/spu/divv2df3.c: Likewise.
28554         * config/spu/float_disf.c: Likewise.
28555         * config/spu/float_unsdidf.c: Likewise.
28556         * config/spu/float_unsdisf.c: Likewise.
28557         * config/spu/float_unssidf.c: Likewise.
28558         * config/spu/mfc_multi_tag_release.c: Likewise.
28559         * config/spu/mfc_multi_tag_reserve.c: Likewise.
28560         * config/spu/mfc_tag_release.c: Likewise.
28561         * config/spu/mfc_tag_reserve.c: Likewise.
28562         * config/spu/mfc_tag_table.c: Likewise.
28563         * config/spu/multi3.c: Likewise.
28564         * config/spu/spu_internals.h: Likewise.
28565         * config/spu/spu_intrinsics.h: Likewise.
28566         * config/spu/spu_mfcio.h: Likewise.
28567         * config/spu/vec_types.h: Likewise.
28568         * config/spu/vmx2spu.h: Likewise.
28569         * config/stormy16/stormy16-lib2.c: Likewise.
28570         * config/svr4.h: Likewise.
28571         * config/sync.c: Likewise.
28572         * config/v850/lib1funcs.asm: Likewise.
28573         * config/vxlib-tls.c: Likewise.
28574         * config/vxlib.c: Likewise.
28575         * config/vxworks-dummy.h: Likewise.
28576         * config/xtensa/crti.asm: Likewise.
28577         * config/xtensa/crtn.asm: Likewise.
28578         * config/xtensa/ieee754-df.S: Likewise.
28579         * config/xtensa/ieee754-sf.S: Likewise.
28580         * config/xtensa/lib1funcs.asm: Likewise.
28581         * config/xtensa/lib2funcs.S: Likewise.
28582         * config/xtensa/linux-unwind.h: Likewise.
28583         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
28584         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
28585         * coretypes.h: Likewise.
28586         * crtstuff.c: Likewise.
28587         * defaults.h: Likewise.
28588         * dwarf2.h: Likewise.
28589         * emutls.c: Likewise.
28590         * gbl-ctors.h: Likewise.
28591         * gcov-io.h: Likewise.
28592         * ginclude/float.h: Likewise.
28593         * ginclude/iso646.h: Likewise.
28594         * ginclude/stdarg.h: Likewise.
28595         * ginclude/stdbool.h: Likewise.
28596         * ginclude/stddef.h: Likewise.
28597         * ginclude/stdfix.h: Likewise.
28598         * ginclude/stdint-gcc.h: Likewise.
28599         * ginclude/tgmath.h: Likewise.
28600         * gthr-aix.h: Likewise.
28601         * gthr-dce.h: Likewise.
28602         * gthr-gnat.c: Likewise.
28603         * gthr-gnat.h: Likewise.
28604         * gthr-lynx.h: Likewise.
28605         * gthr-mipssde.h: Likewise.
28606         * gthr-nks.h: Likewise.
28607         * gthr-posix.c: Likewise.
28608         * gthr-posix.h: Likewise.
28609         * gthr-posix95.h: Likewise.
28610         * gthr-rtems.h: Likewise.
28611         * gthr-single.h: Likewise.
28612         * gthr-solaris.h: Likewise.
28613         * gthr-tpf.h: Likewise.
28614         * gthr-vxworks.h: Likewise.
28615         * gthr-win32.h: Likewise.
28616         * gthr.h: Likewise.
28617         * libgcc2.c: Likewise.
28618         * libgcc2.h: Likewise.
28619         * libgcov.c: Likewise.
28620         * tsystem.h: Likewise.
28621         * typeclass.h: Likewise.
28622         * unwind-c.c: Likewise.
28623         * unwind-compat.h: Likewise.
28624         * unwind-dw2-fde-compat.c: Likewise.
28625         * unwind-dw2-fde-darwin.c: Likewise.
28626         * unwind-dw2-fde-glibc.c: Likewise.
28627         * unwind-dw2-fde.c: Likewise.
28628         * unwind-dw2-fde.h: Likewise.
28629         * unwind-dw2.c: Likewise.
28630         * unwind-dw2.h: Likewise.
28631         * unwind-generic.h: Likewise.
28632         * unwind-pe.h: Likewise.
28633         * unwind-sjlj.c: Likewise.
28634         * unwind.inc: Likewise.
28635         * config/arm/neon-gen.ml: Change generated copyright header to
28636         refer to version 3 of the GNU General Public License with
28637         version 3.1 of the GCC Runtime Library Exception and to point
28638         readers at the COPYING3 and COPYING3.RUNTIME files and the
28639         FSF's license web page.
28640         * config/arm/arm_neon.h: Regenerate.
28642 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
28644         * config/cris/cris.md: Change copyright header to refer to version
28645         3 of the GNU General Public License.
28646         * doc/install.texi2html: Change copyright header to refer to version
28647         3 of the GNU General Public License and to point readers at the
28648         COPYING3 file and the FSF's license web page.
28649         * config/vax/linux.h: Likewise.
28651 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
28653         * config/i386/i386.md (cmpcc): New.
28654         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
28655         (sync_compare_and_swap_cc*): Delete.
28657         * config/s390/s390.c (s390_compare_emitted): Remove.
28658         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
28659         s390_compare_emitted used to be handled.  Assert that modes match.
28660         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
28661         refer to sync_compare_and_swap_ccsi.
28662         * config/s390/s390.h (s390_compare_emitted): Remove.
28663         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
28664         instead of s390_compare_emitted.
28665         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
28666         instead of s390_compare_emitted.
28667         * config/s390/s390.md (cmpcc): New.
28668         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
28669         CC_REGNUM, do not pretend it's set.
28670         (sync_compare_and_swap_cc*): Delete.
28671         * config/s390/predicates.md (cc_reg_operand): New.
28673         * expr.c (sync_compare_and_swap_cc): Delete.
28674         * optabs.h (sync_compare_and_swap_cc): Delete.
28675         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
28676         is being used with can_compare_p.
28677         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
28678         (find_cc_set): New.
28679         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
28680         look for a MODE_CC set instead.  Use emit_store_flag.
28681         (expand_compare_and_swap_loop): Likewise, with some additional
28682         complication to avoid a force_reg when useless.  Use
28683         emit_cmp_and_jump_insns.
28684         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
28685         * doc/md.texi (sync_compare_and_swap_cc): Merge with
28686         sync_compare_and_swap documentation.
28688 2009-04-09  Jan Hubicka  <jh@suse.cz>
28690         * except.c (find_prev_try): Break out from ....
28691         (duplicate_eh_regions): ... here; properly update prev_try pointers
28692         when duplication part of tree.
28693         (dump_eh_tree): Improve dumping.
28694         (verify_eh_region): New.
28695         (verify_eh_tree): Use it.
28697 2009-04-06  Richard Guenther  <rguenther@suse.de>
28699         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
28700         &ARRAY addresses by adjusting their types and prepending
28701         a conversion.
28702         * tree-cfg.c (verify_gimple_assign_single): Verify that
28703         addresses are correct.
28705 2009-04-09  Richard Guenther  <rguenther@suse.de>
28707         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
28708         indices into an array reference if possible.
28709         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
28710         Fold POINTER_PLUS_EXPR statements with invariant address.
28712 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
28714         PR target/39634
28715         * config.gcc (powerpc64-*-linux*): Always build biarch.
28717 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
28719         PR c/39613
28720         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
28721         it and pedwarn if this results in an INTEGER_CST.
28723 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
28725         * doc/install.texi: Update minimum GMP version.  Remove obsolete
28726         text in MPFR section.
28728 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
28730         * dwarf2out.c (class_scope_p): New static inline.
28731         (class_or_namespace_scope_p): Use it.
28732         (gen_variable_die): Use DW_TAG_member tag for static data member
28733         declarations instead of DW_TAG_variable.
28735         PR middle-end/39573
28736         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
28737         variables.
28739 2009-04-08  Richard Guenther  <rguenther@suse.de>
28741         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
28742         valueize random data.
28744 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
28746         * config.gcc (aix tm_file):  Add aix-stdint.h.
28747         (aix tm clause use_gcc_stdint):  Set to wrap.
28748         * config/rs6000/aix-stdint.h:  New file.
28750 2009-04-08  Richard Guenther  <rguenther@suse.de>
28752         PR middle-end/36291
28753         * tree-dfa.c (add_referenced_var): Do not recurse into
28754         global initializers.
28755         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
28756         exposed variables.
28757         (fold_const_aggregate_ref): Likewise.
28759 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
28761         * recog.c (ordered_comparison_operator): New.
28762         * gensupport.c (std_preds): Add it.
28763         * doc/md.texi (Machine-Independent Predicates): Document it.
28765 2009-04-08  Jan Hubicka  <jh@suse.cz>
28767         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
28768         * function.h (rtl_eh): Remove exception_handler_label_map.
28769         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
28770         remove_exception_handler_label, for_each_eh_label_1): Remove.
28771         (rtl_remove_unreachable_regions): Remove.
28772         (convert_from_eh_region_ranges): Do not remove unreachable regions.
28773         (find_exception_handler_labels): Don't build the hashtable.
28774         (maybe_remove_eh_handler): Remove.
28775         (for_each_eh_label): Rewrite to walk the tree.
28776         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
28777         * except.h (maybe_remove_eh_handler): Remove.
28778         * passes.c (init_optimization_passes): Schedule second EH cleanup
28779         before out-of-ssa.
28780         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
28781         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
28783 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
28785         * genoutput.c (validate_optab_operands): New.
28786         (gen_insn, gen_expand): Call it.
28788         * genflags.c (gen_insn): Detect misused iterators.
28789         (main): Pass line_no to gen_insn, exit with status 1 on error.
28791         * genextract.c (line_no): Make global.
28792         (VEC_safe_set_locstr): Change assertion to error message.
28793         (main): Exit with status 1 on error.
28795 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
28797         PR c/39614
28798         PR c/39673
28799         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
28800         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
28801         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
28802         * c-convert.c (convert): Do not call fold on results of conversion
28803         functions when the result is a C_MAYBE_CONST_EXPR.
28804         * c-parser.c (c_parser_postfix_expression): Do not fold condition
28805         of __builtin_choose_expr.
28806         * c-typeck.c (remove_c_maybe_const_expr): New.
28807         (build_unary_op, build_conditional_expr, build_compound_expr,
28808         build_binary_op, c_objc_common_truthvalue_conversion): Call
28809         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
28810         integer operands.
28812 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
28814         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
28815         CODE to produce a new one. Add a prototype to use fold_convert_const
28817 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
28819         PR bootstrap/39660
28820         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
28821         mix declarations and code.
28823 2009-04-08  Ben Elliston  <bje@au.ibm.com>
28825         * gcc.c: Replace `CC' with `GCC' throughout.
28827 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
28829         * doc/invoke.texi: Document Atom support.
28831 2009-04-07  Jason Merrill  <jason@redhat.com>
28833         PR c++/25185
28834         * c-common.h, c-common.c: Add flag_pretty_templates.
28835         * c-opts.c (c_common_handle_option): Set it.
28836         * c.opt: Add -fno-pretty-templates.
28837         * doc/invoke.texi (C++ Dialect Options): Likewise.
28839 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
28841         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
28842         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
28843         (ia64_expand_builtin): Likewise.
28845 2009-04-07  Martin Jambor  <mjambor@suse.cz>
28847         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
28848         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
28849         ADDR_EXPRS are include too.
28851 2009-04-07  Richard Guenther  <rguenther@suse.de>
28853         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
28854         decls are only used if passes as parameters or if they are
28855         local statics and the call is not to a builtin.
28856         (call_may_clobber_ref_p_1): Likewise.
28858 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
28860         * expr.c (do_store_flag): Remove last argument.  Simplify code
28861         to avoid duplication of tests already done by can_compare_p.
28862         (expand_expr_real_1): Adjust caller.
28864 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
28866         * optabs.c (can_compare_p): Test the predicate of a
28867         cbranch and cstore pattern.
28869 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
28871         * expr.c (convert_move): Use emit_store_flag instead of
28872         "emulating" it.
28874 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
28876         * config/i386/i386.c (ix86_compare_emitted): Remove.
28877         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
28878         ix86_compare_op0 like ix86_compare_emitted used to be handled.
28879         * config/i386/i386.h (ix86_compare_emitted): Remove.
28880         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
28881         instead of ix86_compare_emitted.
28882         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
28884 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
28886         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
28887         Add t-sysroot-suffix to tmake_file.
28888         * config/print-sysroot-suffix.sh: New file.
28889         * config/t-sysroot-suffix: New file.
28891 2009-04-07  Ben Elliston  <bje@au.ibm.com>
28893         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
28894         as the latter produces a warning when the target does not support
28895         infinity.
28897 2009-04-07  Ben Elliston  <bje@au.ibm.com>
28899         * dfp.c: Replace type punning assignments with memcpy throughout.
28900         * Makefile.in (dfp.o-warn): Remove.
28902 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
28904         PR target/39634
28905         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
28906         Include soft-fp/t-softfp after rs6000/t-linux64.
28908 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
28910         * stor-layout.c (set_sizetype): Use the full precision of their
28911         machine mode for bitsize types.
28913 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
28915         * config/i386/i386.md: Revert 2 accidental checkins.
28917 2009-04-06  Joey Ye  <joey.ye@intel.com>
28918             Xuepeng Guo  <xuepeng.guo@intel.com>
28919             H.J. Lu  <hongjiu.lu@intel.com>
28921         Atom pipeline model, tuning and insn selection.
28922         * config.gcc (atom): Add atom config options and target.
28924         * config/i386/atom.md: New.
28926         * config/i386/i386.c (atom_cost): New cost.
28927         (m_ATOM): New macro flag.
28928         (initial_ix86_tune_features): Set m_ATOM.
28929         (x86_accumulate_outgoing_args): Likewise.
28930         (x86_arch_always_fancy_math_387): Likewise.
28931         (processor_target): Add Atom cost.
28932         (cpu_names): Add Atom cpu name.
28933         (override_options): Set Atom ISA.
28934         (ix86_issue_rate): New case PROCESSOR_ATOM.
28935         (ix86_adjust_cost): Likewise.
28937         * config/i386/i386.h (TARGET_ATOM): New target macro.
28938         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
28939         (TARGET_OPT_AGU): New target option.
28940         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
28941         (processor_type): Add PROCESSOR_ATOM.
28943         * config/i386/i386.md (cpu): Add new value "atom".
28944         (use_carry, movu): New attr.
28945         (atom.md): Include atom.md.
28946         (adddi3_carry_rex64): Set attr "use_carry".
28947         (addqi3_carry): Likewise.
28948         (addhi3_carry): Likewise.
28949         (addsi3_carry): Likewise.
28950         (*addsi3_carry_zext): Likewise.
28951         (subdi3_carry_rex64): Likewise.
28952         (subqi3_carry): Likewise.
28953         (subhi3_carry): Likewise.
28954         (subsi3_carry): Likewise.
28955         (x86_movdicc_0_m1_rex64): Likewise.
28956         (*x86_movdicc_0_m1_se): Likewise.
28957         (x86_movsicc_0_m1): Likewise.
28958         (*x86_movsicc_0_m1_se): Likewise.
28959         (*adddi_1_rex64): Emit add insn as much as possible.
28960         (*addsi_1): Likewise.
28961         (return_internal): Set atom_unit.
28962         (return_internal_long): Likewise.
28963         (return_pop_internal): Likewise.
28964         (*rcpsf2_sse): Set atom_sse_attr attr.
28965         (*qrt<mode>2_sse): Likewise.
28966         (*prefetch_sse): Likewise.
28968         * config/i386/i386-c.c (ix86_target_macros_internal): New case
28969         PROCESSOR_ATOM.
28970         (ix86_target_macros_internal): Likewise.
28972         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
28973         (*prefetch_sse_rex): Likewise.
28974         (sse_rcpv4sf2): Likewise.
28975         (sse_vmrcpv4sf2): Likewise.
28976         (sse_sqrtv4sf2): Likewise.
28977         (<sse>_vmsqrt<mode>2): Likewise.
28978         (sse_ldmxcsr): Likewise.
28979         (sse_stmxcsr): Likewise.
28980         (*sse_sfence): Likewise.
28981         (sse2_clflush): Likewise.
28982         (*sse2_mfence): Likewise.
28983         (*sse2_lfence): Likewise.
28984         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
28985         (<sse>_movup<ssemodesuffixf2c>): Likewise.
28986         (avx_movdqu<avxmodesuffix>): Likewise.
28987         (avx_lddqu<avxmodesuffix>): Likewise.
28988         (sse2_movntv2di): Change attr "type" to "ssemov".
28989         (sse2_movntsi): Likewise.
28990         (rsqrtv8sf2): Change attr "type" to "sseadd".
28991         (sse3_addsubv2df3): Set attr "atom_unit".
28992         (sse3_h<plusminus_insn>v4sf3): Likewise.
28993         (*sse2_pmaddwd): Likewise.
28994         (*vec_extractv2di_1_rex64): Likewise.
28995         (*vec_extractv2di_1_avx): Likewise.
28996         (sse2_psadbw): Likewise.
28997         (ssse3_phaddwv8hi3): Likewise.
28998         (ssse3_phaddwv4hi3): Likewise.
28999         (ssse3_phadddv4si3): Likewise.
29000         (ssse3_phadddv2si3): Likewise.
29001         (ssse3_phaddswv8hi3): Likewise.
29002         (ssse3_phaddswv4hi3): Likewise.
29003         (ssse3_phsubwv8hi3): Likewise.
29004         (ssse3_phsubwv4hi3): Likewise.
29005         (ssse3_phsubdv4si3): Likewise.
29006         (ssse3_phsubdv2si3): Likewise.
29007         (ssse3_phsubswv8hi3): Likewise.
29008         (ssse3_phsubswv4hi3): Likewise.
29009         (ssse3_pmaddubsw128): Likewise.
29010         (sse3_pmaddubsw: Likewise.
29011         (ssse3_palignrti): Likewise.
29012         (ssse3_palignrdi): Likewise.
29014 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
29016         * doc/install.texi (Specific): Fix two cross-references to MinGW.
29018 2009-04-06  Richard Guenther  <rguenther@suse.de>
29020         PR tree-optimization/28868
29021         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
29022         of which PHI results we inserted.
29023         (insert_into_preds_of_block): Record inserted PHIs.
29024         (eliminate): Eliminate redundant PHI nodes.
29025         (init_pre): Init inserted_phi_names.
29027 2009-04-06  Richard Guenther  <rguenther@suse.de>
29029         PR tree-optimization/39643
29030         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
29031         IMAGPART_EXPRs of complex constants.
29032         (execute_fold_all_builtins): If we folded a call queue
29033         TODO_update_address_taken.
29035 2009-04-06  Jan Hubicka  <jh@suse.cz>
29037         PR middle-end/39659
29038         * except.c (remove_unreachable_regions): Propagate may_contain_throw
29039         flag.
29041 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
29043         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
29044         delay slot.
29045         (ic_invalidate_array): Likewise.
29047 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
29049         * calls.c (emit_library_call_value_1): Fix a problem with parameter
29050         alignment for library calls.
29052 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
29054         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
29055         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
29056         * config/i386/mingw-stdint.h:  New file.
29058 2009-04-05  Richard Guenther  <rguenther@suse.de>
29060         PR tree-optimization/39648
29061         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
29062         our &A vs. &A[0] IL deficiencies.
29064 2009-04-04  Jan Hubicka  <jh@suse.cz>
29066         * except.c (sjlj_find_directly_reachable_regions): Be ready for
29067         removed toplevel regions.
29068         (sjlj_mark_call_sites): Likewise.
29070 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
29072         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
29073         (cygwin tm clause use_gcc_stdint):  Set to wrap.
29074         * config/i386/cygwin-stdint.h:  New file.
29076 2009-04-04  Richard Guenther  <rguenther@suse.de>
29078         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
29079         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
29080         single-argument PHIs if we are in loop-closed SSA form.
29081         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
29082         for the pre-condition.
29083         (slpeel_tree_peel_loop_to_edge): Likewise.
29084         (vect_build_loop_niters): Take an optional sequence to append stmts.
29085         (vect_generate_tmps_on_preheader): Likewise.
29086         (vect_do_peeling_for_loop_bound): Take extra guards for the
29087         pre-condition.
29088         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
29089         the cost model check.
29090         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
29091         guards if we are going to peel.  Do not apply versioning in that case.
29092         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
29093         (vect_do_peeling_for_loop_bound): Likewise.
29094         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
29095         loop bound only record extra pre-conditions, do not apply loop
29096         versioning.
29098 2009-04-04  Richard Guenther  <rguenther@suse.de>
29100         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
29101         renaming code.
29103 2009-04-04  Jan Hubicka  <jh@suse.cz>
29105         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
29106         last_basic_block for size of bb->index indexed array.
29107         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
29108         compute_out, link_btr_uses, build_btr_def_use_webs,
29109         build_btr_def_use_webs, migrate_btr_defs): Likewise.
29111 2009-04-04  Jan Hubicka  <jh@suse.cz>
29113         * except.c (remove_eh_handler_and_replace): Break out from ...
29114         (remove_eh_handler): ... here.
29115         (bring_to_root): New function.
29116         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
29117         handled ones, bring others to root of tree.
29119 2009-04-04  Jan Hubicka  <jh@suse.cz>
29121         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
29122         (all_phis_safe_to_merge): New function.
29123         (update_info): New structure.
29124         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
29125         (cleanup_empty_eh): Update SSA if possible.
29127 2009-04-04  Richard Guenther  <rguenther@suse.de>
29129         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
29130         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
29131         (append_vuse): Likewise.
29133 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
29135         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
29136         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
29137         instead of REG_UNSAVED for DW_CFA_undefined.
29138         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
29139         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
29140         outermost frame.
29142 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
29144         PR target/39501
29145         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
29147 2009-04-04  Richard Guenther  <rguenther@suse.de>
29149         PR tree-optimization/8781
29150         PR tree-optimization/37892
29151         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
29152         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
29153         (valueize_refs): Call it for *& valueizations.
29154         (shared_reference_ops_from_ref): Rename to ...
29155         (valueize_shared_reference_ops_from_ref): ... this and valueize.
29156         (shared_reference_ops_from_call): Rename to ...
29157         (valueize_shared_reference_ops_from_call): ... this and valueize.
29158         (vn_reference_lookup): Update.
29159         (visit_reference_op_call): Likewise.
29160         * tree-ssa-pre.c (phi_translate_1): Fold *&.
29161         (eliminate): Value-replace the call address in call statements.
29163 2009-04-04  Richard Guenther  <rguenther@suse.de>
29165         PR tree-optimization/39636
29166         * tree-ssa-forwprop.c
29167         (forward_propagate_addr_into_variable_array_index): Check for
29168         GIMPLE_ASSIGN before accessing the rhs code.
29170 2009-04-03  Jason Merrill  <jason@redhat.com>
29172         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
29174 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
29176         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
29177         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
29178         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
29179         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
29180         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
29181         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
29182         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
29183         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
29184         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
29185         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
29186         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
29187         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
29188         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
29189         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
29190         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
29191         Use fr_reg_or_fp01_operand instead of fr_register_operand
29193         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
29194         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
29195         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
29197 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
29199         PR rtl-optimization/39607
29200         PR rtl-optimization/39631
29202         Revert:
29204         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
29205         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
29206         instead of DF_LR_OUT.
29207         * ira-lives.c (process_bb_node_lives): Ditto.
29208         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
29209         instead of DF_LR_{OUT,IN}.
29210         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
29211         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
29213 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
29215         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
29216         (execute_lower_omp): Always run but take the short way out if -fopenmp
29217         is not given.
29218         (gate_lower_omp): Remove, forcing the pass manager to always run the
29219         pass and always set PROP_gimple_lomp.
29220         (pass_lower_omp): Remove gate function.
29221         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
29222         PROP_trees.  Instead, require it.
29223         * ipa-cp.c (pass_ipa_cp): Likewise.
29224         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
29225         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
29226         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
29227         and PROP_gimple_leh.
29229 2009-04-03  Richard Guenther  <rguenther@suse.de>
29231         PR middle-end/13146
29232         PR tree-optimization/23940
29233         PR tree-optimization/33237
29234         PR middle-end/33974
29235         PR middle-end/34093
29236         PR tree-optimization/36201
29237         PR tree-optimization/36230
29238         PR tree-optimization/38049
29239         PR tree-optimization/38207
29240         PR tree-optimization/38230
29241         PR tree-optimization/38301
29242         PR tree-optimization/38585
29243         PR middle-end/38895
29244         PR tree-optimization/38985
29245         PR tree-optimization/39299
29246         * tree-ssa-structalias.h: Remove.
29247         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
29248         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
29249         (struct vuse_element_d): Remove.
29250         (struct vuse_vec_d): Likewise.
29251         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
29252         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
29253         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
29254         VUSE_ELEMENT_VAR): Likewise.
29255         (struct voptype_d): Likewise.
29256         (NUM_VOP_FREE_BUCKETS): Likewise.
29257         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
29258         (struct stmt_operands_d): Remove.
29259         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
29260         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
29261         VDEF_NUM, VDEF_VECT): Likewise.
29262         (copy_virtual_operands): Remove.
29263         (operand_build_cmp): Likewise.
29264         (create_ssa_artificial_load_stmt): Likewise.
29265         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
29266         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
29267         vuse_index and mayuse_index members.  Pack and move done and iter_type
29268         members to the front.
29269         (SSA_OP_VMAYUSE): Remove.
29270         (SSA_OP_VIRTUAL_USES): Adjust.
29271         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
29272         (unlink_stmt_vdef): Declare.
29273         (add_to_addressable_set): Remove.
29274         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
29275         (vrp_visit_stmt): Likewise.
29276         * doc/tree-ssa.texi (Alias analysis): Update.
29277         * doc/invoke.texi (max-aliased-vops): Remove docs.
29278         (avg-aliased-vops): Likewise.
29279         * tree-into-ssa.c (syms_to_rename): Remove.
29280         (need_to_update_vops_p): Likewise.
29281         (need_to_initialize_update_ssa_p): Rename to ...
29282         (update_ssa_initialized_fn): ... this.  Track function we are
29283         initialized for.
29284         (symbol_marked_for_renaming): Simplify.
29285         (add_new_name_mapping): Do not set need_to_update_vops_p.
29286         (dump_currdefs): Use SYMS_TO_RENAME.
29287         (rewrite_update_stmt): Always walk all uses/defs.
29288         (dump_update_ssa): Adjust.
29289         (init_update_ssa): Take function argument.  Track what we are
29290         initialized for.
29291         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
29292         (create_new_def_for): Initialize for cfun, assert we are initialized
29293         for cfun.
29294         (mark_sym_for_renaming): Simplify.
29295         (mark_set_for_renaming): Do not initialize update-ssa.
29296         (need_ssa_update_p): Simplify.  Take function argument.
29297         (name_mappings_registered_p): Assert we ask for the correct function.
29298         (name_registered_for_update_p): Likewise.
29299         (ssa_names_to_replace): Likewise.
29300         (release_ssa_name_after_update_ssa): Likewise.
29301         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
29302         (dump_decl_set): Do not print a newline.
29303         (debug_decl_set): Do it here.
29304         (dump_update_ssa): And here.
29305         * tree-ssa-loop-im.c (move_computations): Adjust.
29306         (movement_possibility): Likewise.
29307         (determine_max_movement): Likewise.
29308         (gather_mem_refs_stmt): Likewise.
29309         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
29310         or NAME_MEMORY_TAG.
29311         * tree-complex.c (update_all_vops): Remove.
29312         (expand_complex_move): Adjust.
29313         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
29314         Simplify test for memory referencing statement.  Exclude
29315         non-invariant ADDR_EXPRs.
29316         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
29317         * tree-loop-distribution.c (generate_memset_zero): Adjust.
29318         (rdg_flag_uses): Likewise.
29319         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
29320         related code.
29321         (tree_optimize_tail_calls_1): Also split the
29322         edge from the entry block if we have degenerate PHI nodes in
29323         the first basic block.
29324         * tree.c (init_ttree): Remove memory-tag related code.
29325         (tree_code_size): Likewise.
29326         (tree_node_structure): Likewise.
29327         (build7_stat): Re-write to be build6_stat.
29328         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
29329         (SSA_VAR_P): Adjust.
29330         (struct tree_memory_tag): Remove.
29331         (struct tree_memory_partition_tag): Likewise.
29332         (union tree_node): Adjust.
29333         (build7): Re-write to be build6.
29334         * tree-pass.h (pass_reset_cc_flags): Remove.
29335         (TODO_update_address_taken): New flag.
29336         (pass_simple_dse): Remove.
29337         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
29338         * params.h (MAX_ALIASED_VOPS): Remove.
29339         (AVG_ALIASED_VOPS): Likewise.
29340         * omp-low.c (expand_omp_taskreg): Update SSA form.
29341         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
29342         aliases the lhs in a copy stmt.
29343         * tree-ssa-dse.c (struct address_walk_data): Remove.
29344         (memory_ssa_name_same): Likewise.
29345         (memory_address_same): Likewise.
29346         (get_kill_of_stmt_lhs): Likewise.
29347         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
29348         unused stores.  Look through PHI nodes into post-dominated regions.
29349         (dse_optimize_stmt): Simplify.  Properly remove stores.
29350         (tree_ssa_dse): Compute dominators.
29351         (execute_simple_dse): Remove.
29352         (pass_simple_dse): Likewise.
29353         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
29354         gimple_loaded_syms and gimple_stored_syms computation.
29355         * toplev.c (dump_memory_report): Dump alias and pta stats.
29356         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
29357         (vn_reference_eq): Likewise.
29358         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
29359         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
29360         valueize_vuses): Remove.
29361         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
29362         (get_def_ref_stmt_vuse): ... this.
29363         (vn_reference_lookup_2): New function.
29364         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
29365         walking equivalent vuses.  Simplify.
29366         (vn_reference_lookup): Likewise.
29367         (vn_reference_insert): Likewise.
29368         (vn_reference_insert_pieces): Likewise.
29369         (visit_reference_op_call): Simplify.
29370         (visit_reference_op_load): Likewise.
29371         (visit_reference_op_store): Likewise.
29372         (init_scc_vn): Remove shared_lookup_vuses initialization.
29373         (free_scc_vn): Remove shared_lookup_vuses freeing.
29374         (sort_vuses, sort_vuses_heap): Remove.
29375         (get_ref_from_reference_ops): Export.
29376         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
29377         vector with single vuse pointer.
29378         (vn_reference_lookup_pieces, vn_reference_lookup,
29379         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
29380         (shared_vuses_from_stmt): Remove.
29381         (get_ref_from_reference_ops): Declare.
29382         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
29383         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
29384         memory-tag related code.
29385         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
29386         (likely_value): Add comment, skip static-chain of call statements.
29387         (surely_varying_stmt_p): Adjust.
29388         (gimplify_and_update_call_from_tree): Likewise.
29389         (execute_fold_all_builtins): Do not rebuild alias info.
29390         (gimplify_and_update_call_from_tree): Properly update VOPs.
29391         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
29392         (copy_ref_info): Remove memory-tag related code.
29393         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
29394         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
29395         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
29396         computation.
29397         * tree-ssa-dom.c (gimple_p): Remove typedef.
29398         (eliminate_redundant_computations): Adjust.
29399         (record_equivalences_from_stmt): Likewise.
29400         (avail_expr_hash): Likewise.
29401         (avail_expr_eq): Likewise.
29402         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
29403         (stmt_makes_single_load): Likewise.
29404         (stmt_makes_single_store): Likewise.
29405         * tree-ssa-alias.c: Rewrite completely.
29406         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
29407         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
29408         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
29409         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
29410         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
29411         Remove public functions.
29412         (pass_reset_cc_flags): Remove.
29413         (pass_build_alias): Move ...
29414         * tree-ssa-structalias.c (pass_build_alias): ... here.
29415         * tree-ssa-alias.c (may_be_aliased): Move ...
29416         * tree-flow-inline.h (may_be_aliased): ... here.
29417         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
29418         count_uses_and_derefs): Move ...
29419         * gimple.c: ... here.
29420         * gimple.h (count_uses_and_derefs): Declare.
29421         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
29422         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
29423         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
29424         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
29425         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
29426         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
29427         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
29428         New functions.
29429         * tree-dfa.c (refs_may_alias_p): Move ...
29430         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
29431         * tree-ssa-alias.h: New file.
29432         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
29433         (statement_sink_location): Likewise.
29434         * opts.c (decode_options): Do not adjust max-aliased-vops or
29435         avg-aliased-vops values.
29436         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
29437         (TV_CALL_CLOBBER): Likewise.
29438         (TV_FLOW_SENSITIVE): Likewise.
29439         (TV_FLOW_INSENSITIVE): Likewise.
29440         (TV_MEMORY_PARTITIONING): Likewise.
29441         (TV_ALIAS_STMT_WALK): New timevar.
29442         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
29443         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
29444         (get_address_description): Remove memory-tag related code.
29445         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
29446         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
29447         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
29448         and immediate uses in statements.  Document.
29449         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
29450         (dump_symbols): Remove.
29451         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
29452         * alias.c (get_deref_alias_set): New function split out from ...
29453         (get_alias_set): ... here.
29454         * alias.h (get_deref_alias_set): Declare.
29455         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
29456         type parameter.  Remove restrict pointer handling.  Create a
29457         ref-all pointer in case type-based alias sets do not conflict.
29458         (vect_analyze_data_refs): Remove SMT related code.
29459         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
29460         (vectorizable_load): Likewise.
29461         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
29462         (DR_SYMBOL_TAG, DR_VOPS): Remove.
29463         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
29464         Ignore vops and SMTs.
29465         (dr_analyze_alias): Likewise..
29466         (free_data_ref): Likewise.
29467         (create_data_ref): Likewise.
29468         (analyze_all_data_dependences): Likewise.
29469         (get_references_in_stmt): Adjust.
29470         * tree-flow-inline.h (gimple_aliases_computed_p,
29471         gimple_addressable_vars, gimple_call_clobbered_vars,
29472         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
29473         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
29474         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
29475         gimple_mem_ref_stats): Remove.
29476         (gimple_vop): New function.
29477         (op_iter_next_use): Remove vuses and mayuses cases.
29478         (op_iter_next_def): Remove vdefs case.
29479         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
29480         (clear_and_done_ssa_iter): Do not set removed fields.
29481         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
29482         Assert we are not iterating over vuses or vdefs if not also
29483         iterating over uses or defs.
29484         (op_iter_init_use): Likewise.
29485         (op_iter_init_def): Likewise.
29486         (op_iter_next_vdef): Remove.
29487         (op_iter_next_mustdef): Likewise.
29488         (op_iter_init_vdef): Likewise.
29489         (compare_ssa_operands_equal): Likewise.
29490         (link_use_stmts_after): Handle vuse operand.
29491         (is_call_used): Use is_call_clobbered.
29492         (is_call_clobbered): Global variables are always call clobbered,
29493         query the call-clobbers bitmap.
29494         (mark_call_clobbered): Ignore global variables.
29495         (clear_call_clobbered): Likewise.
29496         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
29497         virtual operands sanity check.
29498         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
29499         Remove.
29500         (TARGET_MEM_REF): Remove TMR_TAG operand.
29501         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
29502         Remove call-clobber related code.
29503         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
29504         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
29505         partitions or escape reason.
29506         (get_single_def_stmt, get_single_def_stmt_from_phi,
29507         get_single_def_stmt_with_phi): Remove.
29508         (dump_referenced_vars): Tidy.
29509         (get_ref_base_and_extent): Allow bare decls.
29510         (collect_dfa_stats): Adjust.
29511         * graphite.c (rename_variables_in_stmt): Adjust.
29512         (graphite_copy_stmts_from_block): Likewise.
29513         (translate_clast): Likewise.
29514         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
29515         (EXPR_DIES): New.
29516         (translate_vuse_through_block): Use the oracle.
29517         (phi_translate_1): Adjust.
29518         (value_dies_in_block_x): Use the oracle.  Cache the outcome
29519         in EXPR_DIES.
29520         (valid_in_sets): Check if the VUSE for
29521         a REFERENCE is available.
29522         (eliminate): Do not remove stmts during elimination,
29523         instead queue and remove them afterwards.
29524         (do_pre): Do not rebuild alias info.
29525         (pass_pre): Run TODO_rebuild_alias before PRE.
29526         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
29527         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
29528         (mark_all_v_defs_stmt): Remove.
29529         (mark_all_v_defs_seq): Adjust.
29530         (sra_replace): Likewise.
29531         (scalarize_use): Likewise.
29532         (scalarize_copy): Likewise.
29533         (scalarize_init): Likewise.
29534         (scalarize_ldst): Likewise.
29535         (todoflags): Remove.
29536         (tree_sra): Do not rebuild alias info.
29537         (tree_sra_early): Adjust.
29538         (pass_sra): Run TODO_update_address_taken before SRA.
29539         * tree-predcom.c (set_alias_info): Remove.
29540         (prepare_initializers_chain): Do not call it.
29541         (mark_virtual_ops_for_renaming): Adjust.
29542         (mark_virtual_ops_for_renaming_list): Remove.
29543         (initialize_root_vars): Adjust.
29544         (initialize_root_vars_lm): Likewise.
29545         (prepare_initializers_chain): Likewise.
29546         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
29547         (may_propagate_copy_into_stmt): Likewise.
29548         (merge_alias_info): Do nothing for now.
29549         (propagate_tree_value_into_stmt): Adjust.
29550         (stmt_may_generate_copy): Likewise.
29551         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
29552         not mark symbols for renaming.
29553         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
29554         with the same statement, make sure to update the new pointed-to one.
29555         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
29556         call statements, do not mark symbols for renaming.
29557         (mark_operand_necessary): Dump something.
29558         (ref_may_be_aliased): New function.
29559         (mark_aliased_reaching_defs_necessary_1): New helper function.
29560         (mark_aliased_reaching_defs_necessary): Likewise.
29561         (mark_all_reaching_defs_necessary_1): Likewise.
29562         (mark_all_reaching_defs_necessary): Likewise.
29563         (propagate_necessity): Do not process virtual PHIs.  For
29564         non-aliased loads mark all reaching definitions as necessary.
29565         For aliased loads and stores mark the immediate dominating
29566         aliased clobbers as necessary.
29567         (visited): New global static.
29568         (perform_tree_ssa_dce): Free visited bitmap after propagating
29569         necessity.
29570         (remove_dead_phis): Perform simple dead virtual PHI removal.
29571         (remove_dead_stmt): Properly unlink virtual operands when
29572         removing stores.
29573         (eliminate_unnecessary_stmts): Schedule PHI removal after
29574         stmt removal.
29575         * tree-ssa-ter.c (is_replaceable_p): Adjust.
29576         (process_replaceable): Likewise.
29577         (find_replaceable_in_bb): Likewise.
29578         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
29579         based on the single gimple vop.
29580         (verify_flow_insensitive_alias_info): Remove.
29581         (verify_flow_sensitive_alias_info): Likewise.
29582         (verify_call_clobbering): Likewise.
29583         (verify_memory_partitions): Likewise.
29584         (verify_alias_info): Likewise.
29585         (verify_ssa): Adjust..
29586         (execute_update_addresses_taken): Export.  Update SSA
29587         manually.  Optimize only when optimizing.  Use a local bitmap.
29588         (pass_update_address_taken): Remove TODO_update_ssa, add
29589         TODO_dump_func.
29590         (pass_update_address_taken): Just use TODO_update_address_taken.
29591         (init_tree_ssa): Do not initialize addressable_vars.
29592         (verify_ssa): Verify new VUSE / VDEF properties.
29593         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
29594         Do not call verify_alias_info.
29595         (delete_tree_ssa): Clear the VUSE, VDEF operands.
29596         Do not free the loaded and stored syms bitmaps.  Reset the escaped
29597         and callused solutions.  Do not free addressable_vars.
29598         Remove memory-tag related code.
29599         (warn_uninitialized_var): Aliases are always available.
29600         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
29601         * lambda-code.c (can_put_in_inner_loop): Adjust.
29602         (can_put_after_inner_loop): Likewise.
29603         (perfect_nestify): Likewise.
29604         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
29605         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
29606         (vectorizable_conversion): Do not mark symbols for renaming.
29607         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
29608         (expand_call_inline): Unlink the calls virtual operands before
29609         replacing it.
29610         (tree_function_versioning): Do not call update_ssa if we are not
29611         updating clones.  Simplify.
29612         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
29613         (propagate_with_phi): Likewise..
29614         * tree-outof-ssa.c (create_temp): Remove memory tag and call
29615         clobber code.  Assert we are not aliased or global.
29616         * tree-flow.h: Include tree-ssa-alias.h
29617         (enum escape_type): Remove.
29618         (struct mem_sym_stats_d): Likewise.
29619         (struct mem_ref_stats_d): Likewise.
29620         (struct gimple_df): Add vop member.  Remove global_var,
29621         call_clobbered_vars, call_used_vars, addressable_vars,
29622         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
29623         escaped and callused members.
29624         (struct ptr_info_def): Remove all members, add points-to solution
29625         member pt.
29626         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
29627         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
29628         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
29629         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
29630         (tree-ssa-alias.o): Likewise.
29631         (toplev.o): Add tree-ssa-alias.h
29632         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
29633         * gimple.c (gimple_set_bb): Fix off-by-one error.
29634         (is_gimple_reg): Do not handle memory tags.
29635         (gimple_copy): Also copy virtual operands.
29636         Delay updating the statement.  Do not reset loaded and stored syms.
29637         (gimple_set_stored_syms): Remove.
29638         (gimple_set_loaded_syms): Likewise.
29639         (gimple_call_copy_skip_args): Copy the virtual operands
29640         and mark the new statement modified.
29641         * tree-ssa-structalias.c (may_alias_p): Remove.
29642         (set_uids_in_ptset): Take the alias set to prune with as
29643         parameter.  Fold in the alias test of may_alias_p.
29644         (compute_points_to_sets): Compute whether a ptr is dereferenced
29645         in a local sbitmap.
29646         (process_constraint): Deal with &ANYTHING on the lhs, reject all
29647         other ADDRESSOF constraints on the lhs.
29648         (get_constraint_for_component_ref): Assert that we don't get
29649         ADDRESSOF constraints from the base of the reference.
29650         Properly generate UNKNOWN_OFFSET for DEREF if needed.
29651         (struct variable_info): Remove collapsed_to member.
29652         (get_varinfo_fc): Remove.
29653         (new_var_info): Do not set collapsed_to.
29654         (dump_constraint): Do not follow cycles.
29655         (dump_constraint_graph): Likewise.
29656         (build_pred_graph): Likewise.
29657         (build_succ_graph): Likewise.
29658         (rewrite_constraints): Likewise.
29659         (do_simple_structure_copy): Remove.
29660         (do_rhs_deref_structure_copy): Remove.
29661         (do_lhs_deref_structure_copy): Remove.
29662         (collapse_rest_of_var): Remove.
29663         (do_structure_copy): Re-implement.
29664         (pta_stats): New global variable.
29665         (dump_pta_stats): New function.
29666         (struct constraint_expr): Make offset signed.
29667         (UNKNOWN_OFFSET): Define special value.
29668         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
29669         (solution_set_expand): New helper function split out from ...
29670         (do_sd_constraint): ... here.
29671         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
29672         (do_ds_constraint): Likewise.
29673         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
29674         and CALLUSED = *CALLUSED.
29675         (set_union_with_increment): Make inc argument signed.
29676         (type_safe): Remove.
29677         (get_constraint_for_ptr_offset): Handle unknown and negative
29678         constant offsets.
29679         (first_vi_for_offset): Handle offsets before start.  Bail
29680         out early for offsets beyond the variable extent.
29681         (first_or_preceding_vi_for_offset): New function.
29682         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
29683         Together with ESCAPED = *ESCAPED this properly computes reachability.
29684         (find_what_var_points_to): New function.
29685         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
29686         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
29687         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
29688         pt_solutions_intersect): New functions.
29689         (compute_call_used_vars): Remove.
29690         (compute_may_aliases): New main entry into PTA computation.
29691         * gimple.h (gimple_p): New typedef.
29692         (struct gimple_statement_base): Remove references_memory_p.
29693         (struct gimple_statement_with_memory_ops_base): Remove
29694         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
29695         members.
29696         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
29697         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
29698         gimple_set_references_memory): Remove.
29699         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
29700         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
29701         New functions.
29702         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
29703         (verify_expr): Allow RESULT_DECL.
29704         (gimple_duplicate_bb): Do not copy virtual operands.
29705         (gimple_duplicate_sese_region): Adjust.
29706         (gimple_duplicate_sese_tail): Likewise.
29707         (mark_virtual_ops_in_region): Remove.
29708         (move_sese_region_to_fn): Do not call it.
29709         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
29710         and pass_simple_dse.
29711         (execute_function_todo): Handle TODO_update_address_taken,
29712         call execute_update_addresses_taken for TODO_rebuild_alias.
29713         (execute_todo): Adjust.
29714         (execute_one_pass): Init dump files early.
29715         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
29716         call-clobbered.
29717         (create_general_new_stmt): Clear vops.
29718         * tree-ssa-reassoc.c (get_rank): Adjust.
29719         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
29720         symbols for renaming.
29721         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
29722         (PARAM_AVG_ALIASED_VOPS): Likewise.
29723         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
29724         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
29725         * tree-ssa-operands.c: Simplify for new virtual operand representation.
29726         (operand_build_cmp, copy_virtual_operands,
29727         create_ssa_artificial_load_stmt, add_to_addressable_set,
29728         gimple_add_to_addresses_taken): Remove public functions.
29729         (unlink_stmt_vdef): New function.
29731 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
29733         * config.gcc (powerpc-*-linux*): Merge variants.
29735 2009-04-02  Chao-ying Fu  <fu@mips.com>
29736             James Grosbach  <james.grosbach@microchip.com>
29738         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
29739         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
29740         cop0_sp_offset.
29741         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
29742         keep_interrupts_masked_p, use_debug_exception_return_p.
29743         (mips_attribute_table): Add interrupt, use_shadow_register_set,
29744         keep_interrupts_masked, use_debug_exception_return.
29745         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
29746         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
29747         New functions.
29748         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
29749         (mips_print_operand): Process COP0 registers to print $0 .. $31
29750         correctly for GAS to process.
29751         (mips_interrupt_extra_call_saved_reg_p): New function.
29752         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
29753         extra registers.
29754         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
29755         (mips_compute_frame_info): Add supports for interrupt context that
29756         includes doubleword accumulators and COP0 registers.
29757         (mips_for_each_saved_acc): New function.
29758         (mips_for_each_saved_gpr_and_fpr): Change the function name from
29759         mips_for_each_saved_reg.
29760         (mips_save_reg): Save accumulators.
29761         (mips_kernel_reg_p): A new for_each_rtx callback.
29762         (mips_expand_prologue): Support interrupt handlers.
29763         (mips_restore_reg): Restore accumulators.
29764         (mips_expand_epilogue): Support interrupt handlers.
29765         (mips_can_use_return_insn): Return false for interrupt handlers.
29766         (mips_epilogue_uses): New function.
29767         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
29768         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
29769         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
29770         cop0_move): New instructions.
29771         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
29772         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
29773         defines.
29774         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
29775         New defines.
29776         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
29777         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
29778         interrupt handlers, we use K0 as the temporary register.
29779         (EPILOGUE_USES): Change to a function call.
29780         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
29781         handlers, we use K0 as the temporary register.
29783         * doc/extend.texi (Function Attributes): Document interrupt,
29784         use_shadow_register_set, keep_interrupts_masked,
29785         use_debug_exception_return for MIPS attributes.
29787 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
29789         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
29790         Remove a number of t-files from tmake_file.
29791         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
29792         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
29793         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
29794         target_prototype, not TARGET_PROTOTYPE.
29795         (LINK_OS_GNU_SPEC): Define.
29796         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
29797         and darwin-ldoubdle.c.
29799 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
29801         PR driver/39293
29802         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
29803         (cpp_options): Ditto.
29804         (default_compilers): Ditto.
29805         (display_help): Ditto.
29806         (process_command): Ditto.
29807         (do_spec_1): Ditto.
29808         (set_input): Use lbasename instead of duplicate code.
29809         (save_temps_prefix): New static for -save-temps=obj.
29810         (save_temps_length): Ditto.
29812         * doc/invoke.texi (-save-temps=obj): Document new variant to
29813         -save-temps switch.
29815 2009-04-02  Jeff Law  <law@redhat.com>
29817         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
29818         variable.
29820 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
29822         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
29823         * configure: Regenerated.
29825 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
29827         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
29828         share the argument list.
29830 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
29832         Merge
29834         2009-02-12  Diego Novillo  <dnovillo@google.com>
29836         * varpool.c (debug_varpool): New.
29837         * cgraph.h (debug_varpool): Declare.
29839 2009-04-02  Jan Hubicka  <jh@suse.cz>
29841         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
29842         pass.
29844 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
29846         * config/i386/i386.c (ix86_abi): Move initialization to ...
29847         (override_options): Here.
29849 2009-04-02  Christian Bruel  <christian.bruel@st.com>
29851         * config/sh/sh.c (sh_dwarf_register_span): New function.
29852         (TARGET_DWARF_REGISTER_SPAN): Define.
29853         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
29855 2009-04-02  Ira Rosen  <irar@il.ibm.com>
29857         PR tree-optimization/39595
29858         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
29859         interleaved loads group is not  greater than the SLP group size.
29861 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
29863         * builtins.c (is_builtin_name): New.
29864         (called_as_built_in): Use is_builtin_name.
29865         * tree.h (is_builtin_name): New.
29866         * varasm.c (incorporeal_function_p): Use is_builtin_name
29868 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
29870         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
29872 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
29874         PR c++/26693
29875         * c-decl.c (clone_underlying_type): Move this ...
29876         * c-common.c (set_underlying_type): ... here.
29877         Also, make sure the function properly sets TYPE_STUB_DECL() on
29878         the newly created typedef variant type.
29879         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
29880         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
29881         points.
29883 2009-04-02  Richard Guenther  <rguenther@suse.de>
29885         PR tree-optimization/37221
29886         * tree-flow.h (degenerate_phi_result): Declare.
29887         * tree-ssa-dom.c (degenerate_phi_result): Export.
29888         * tree-scalar-evolution.c (analyze_initial_condition): If
29889         the initial condition is defined by a degenerate PHI node
29890         use the degenerate value.
29892 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
29894         PR rtl-optimization/39588
29895         * combine.c (merge_outer_ops): Do not set the constant when this
29896         is not necessary.
29897         (simplify_shift_const_1): Do not modify it either in this case.
29899 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
29901         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
29902         tuning is deprecated if -mtune value is set to an Itanium1 variant.
29904 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
29906         PR c/29027
29907         * c-lex.c (interpret_float): Default (no suffix) is double.
29909 2009-04-1  Xinliang David Li  <davidxl@google.com>
29911         * config/i386/i386.c (legitimate_constant_p): Recognize
29912         all one vector constant.
29914 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
29916         * config/vax/vax.c: Add #includes to silence warnings.
29917         Change #include order to silence two warnings.
29919 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
29921         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
29922         (ASM_SPEC): Pass -k to the assembler for PIC code.
29924 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
29926         * config.gcc: Add vax-*-linux* to the switch.
29927         * config/vax/linux.h: New file. (TARGET_VERSION,
29928         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
29930 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
29932         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
29933         Use predicate macros instead of GET_CODE() == foo.
29934         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
29935         ashlsi3, rotrsi3, <unnamed>): Likewise.
29937 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
29939         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
29940         jbbccihi, jbbccisi): Remova trailing whitespace.
29941         * config/vax/constraints.md: Likewise.
29942         * config/vax/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
29943         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
29944         * config/vax/predicates.md: Likewise.
29945         * config/vax/vax.c (print_operand_address, vax_output_int_move,
29946         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
29947         * config/vax/vax.h: Likewise.
29948         * config/vax/vax.md (nonlocal_goto): Likewise.
29950 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
29952         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
29953         (indirectable_address_p, adjacent_operands_p): Add spaces around
29954         braces.
29955         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
29957 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
29959         * config/vax/vax.c (legitimate_constant_address_p,
29960         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
29961         index_term_p, reg_plus_index_p, legitimate_address_p,
29962         vax_mode_dependent_address_p): Update comments to match functions
29963         modified by the recent int->bool conversion.
29965 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
29967         * config/vax/builtins.md: Update copyright message.
29968         * config/vax/constraints.md: Likewise.
29969         * config/vax/netbsd-elf.h: Likewise.
29970         * config/vax/predicates.md: Likewise.
29971         * config/vax/vax-protos.h: Likewise.
29972         * config/vax/vax.c: Likewise.
29973         * config/vax/vax.h: Likewise.
29974         * config/vax/vax.md: Likewise.
29975         * config/vax/vax.opt: Likewise.
29977 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
29979         * config/vax/builtins.md (ffssi2, ffssi2_internal,
29980         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
29981         * config/vax/constraints.md (B, R): Likewise.
29982         * config/vax/predicates.md (external_memory_operand,
29983         nonimmediate_addsub_di_operand): Likewise.
29984         * config/vax/vax.c (vax_output_int_add): Likewise.
29985         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
29986         untyped_call): Likewise.
29988 2009-04-01  Matt Thomas  <matt@3am-software.com>
29990         * config/vax/predicates.md: New file.
29991         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
29992         external_const_operand, nonsymbolic_operand, external_memory_operand,
29993         indirect_memory_operand, indexed_memory_operand,
29994         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
29995         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
29996         predicate.
29997         * config/vax/constraints.md: New file.
29998         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
29999         New constraint.
30000         * config/vax/builtins.md: New file.
30001         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
30002         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
30003         jbbccisi): Define.
30004         * config/vax/vax.opt (mqmath): Add option.
30005         * config/vax/vax.md (isfx): Extend with DI.
30006         (VAXintQH, VAXintQHSD): Define.
30007         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
30008         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
30009         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
30010         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
30011         (movdi): Update constraints and use vax_output_int_move().
30012         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
30013         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
30014         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
30015         nonlocal_goto): New.
30016         (mov<mode>): Extend accepted operand types.
30017         (subdi3_old): Rename from subdi3, change update constraints and use
30018         a new implementation.
30019         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
30020         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
30021         MOVE_RATIO, CLEAR_RATIO): Define.
30022         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
30023         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
30024         (PRINT_OPERAND): Redefine using a function instead of inlined code.
30025         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
30026         (split_quadword_operands): Make static and really allow variable
30027         splitting.
30028         (print_operand_address): Update for PIC generation.
30029         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
30030         indexable_address_p, fixup_mathdi_operand,
30031         vax_expand_addsub_di_operands, adjacent_operands_p): New.
30032         (vax_float_literal, legitimate_constant_p,
30033         indirectable_constant_address_p, index_term_p,
30034         reg_plus_index_p): Return bool instead of int.
30035         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
30036         where needed.
30037         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
30038         generation.
30039         (vax_output_conditional_branch): Indent.
30040         (legitimate_constant_address_p, indirectable_constant_address_p,
30041         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
30042         vax_mode_dependent_address_p): Return bool instead of int, update for
30043         PIC generation.
30044         * config/vax/vax-protos.h (legitimate_constant_address_p,
30045         legitimate_constant_p, legitimate_address_p,
30046         vax_mode_dependent_address_p): Change declaration to bool.
30047         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
30048         vax_expand_addsub_di_operands, vax_output_int_subtract,
30049         vax_output_movmemsi): Declare.
30050         (split_quadword_operands, vax_float_literal): Delete declaration.
30051         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
30052         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
30053         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
30054         ASM_OUTPUT_DWARF_PCREL): Define.
30055         (ASM_SPEC): Change definition to allow PIC generation.
30057 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
30059         * doc/sourcebuild.texi: Update front-end requirements.
30061 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
30063         PR target/39226
30064         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
30065         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
30066         (booldi3_internal3): Use boolean_or_operator instead of
30067         boolean_operator.
30069 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
30071         PR c/39605
30072         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
30073         declarator whose size is not an integer constant expression but
30074         folds to an integer constant, then treat it as a constant
30075         subsequently.
30077 2009-04-01  Richard Guenther  <rguenther@suse.de>
30079         * fold-const.c (fold_plusminus_mult_expr): Do not fold
30080         i * 4 + 2 to (i * 2 + 1) * 2.
30082 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
30084         PR c/37772
30085         * c-parser.c (c_parser_asm_statement): Skip until close paren and
30086         return if c_parser_asm_string_literal returned NULL.
30088 2009-04-01  Nick Clifton  <nickc@redhat.com>
30090         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
30091         already defined.
30092         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
30093         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
30094         other typedefs to avoid conflicts with libgcc2.c.  Define labels
30095         to gain 16-bit bit-manipulation functions from libgcc2.c and then
30096         include it.
30097         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
30098         to gain 16-bit trapping arithmetic functions from libgcc2.c and
30099         then include it.
30101 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
30103         * varasm.c (default_function_rodata_section): Declare DOT as
30104         const char*.
30106 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
30107             Andrey Galkin  <agalkin@hypercom.com>
30109         PR/39492
30110         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
30111         Make object_name unique for each process.
30113 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
30115         PR other/39591
30116         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
30117         addressable variables in the parallel that could go out of scope while
30118         running queued tasks.
30120 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
30122         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
30123         (CASE_VALUES_THRESHOLD): Redefine.
30124         * config/avr/avr.c (avr_override_options): Remove initialization of
30125         avr_case_values_threshold variable.
30126         (avr_case_values_threshold): Remove variable. Add new function.
30127         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
30128         * config/avr/avr.opt (mno-tablejump): Remove option.
30129         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
30131 2009-04-01  DJ Delorie  <dj@redhat.com>
30133         * varasm.c (default_function_rodata_section): Don't assume
30134         anything about where the first '.' in the section name is.
30136 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
30138         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
30139         rs6000_emit_stack_tie.
30141 2009-03-31  Ian Lance Taylor  <iant@google.com>
30143         * tree-eh.c (tree_remove_unreachable_handlers): Compare
30144         gimple_code with GIMPLE_RESX, not RESX.
30146 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
30148         * c-common.c (c_get_ident): New.
30149         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
30151 2009-04-01  Ben Elliston  <bje@au.ibm.com>
30153         * config/rs6000/sysv4.opt (msdata): Improve option description.
30155 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
30157         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
30158         (divdf3_internal_lat): Remove.
30159         (divxf3_internal_lat): Remove.
30160         (divxf3_internal_thr): Remove.
30161         (divxf): Use divxf3_internal.
30162         * config/ia64/div.md (divsf3_internal_lat): New.
30163         (divdf3_internal_lat): New.
30164         (divxf3_internal): New.
30166 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
30168         PR c/448
30169         * Makefile.in (USE_GCC_STDINT): Define.
30170         (stmp-int-hdrs): Install stdint.h if applicable.
30171         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
30172         if known.
30173         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
30174         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
30175         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
30176         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
30177         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
30178         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
30179         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
30180         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
30181         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
30182         (c_common_nodes_and_builtins): Initialize
30183         underlying_wchar_type_node.  Do not initialize
30184         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
30185         nodes for new types.
30186         (c_stddef_cpp_builtins): Define macros for new types.
30187         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
30188         Remove.
30189         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
30190         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
30191         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
30192         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
30193         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
30194         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
30195         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
30196         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
30197         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
30198         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
30199         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
30200         int16_type_node, int32_type_node, int64_type_node,
30201         uint8_type_node, uint16_type_node, c_uint32_type_node,
30202         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
30203         int_least32_type_node, int_least64_type_node,
30204         uint_least8_type_node, uint_least16_type_node,
30205         uint_least32_type_node, uint_least64_type_node,
30206         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
30207         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
30208         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
30209         uintptr_type_node): Define.
30210         * c-cppbuiltin.c (builtin_define_constants,
30211         builtin_define_type_minmax): New.
30212         (builtin_define_stdint_macros): Define more macros.
30213         (c_cpp_builtins): Define more limit macros.
30214         (type_suffix): New.
30215         (builtin_define_type_max): Define in terms of
30216         builtin_define_type_minmax.  Remove is_long parameter.  All
30217         callers changed.
30218         * config.gcc (use_gcc_stdint): Define.
30219         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
30220         Add newlib-stdint.h for generic targets.
30221         * config/glibc-stdint.h, config/newlib-stdint.h,
30222         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
30223         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
30224         * config/score/score.h (UINTPTR_TYPE): Define.
30225         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
30226         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
30227         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
30228         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
30229         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
30230         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
30231         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
30232         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
30233         * config/spu/spu.h (STDINT_LONG32): Define.
30234         * configure.ac (use_gcc_stdint): Substitute.
30235         * configure: Regenerate.
30236         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
30237         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
30238         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
30239         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
30240         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
30241         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
30242         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
30243         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
30244         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
30245         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
30246         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
30247         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
30248         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
30249         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
30250         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
30251         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
30252         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
30253         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
30254         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
30255         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
30256         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
30257         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
30258         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
30259         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
30260         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
30261         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
30262         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
30263         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
30264         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
30266 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
30268         * loop-iv.c (suitable_set_for_replacement): Renamed from
30269         simplify_using_assignment; changed to return bool and to accept new
30270         args DEST and SRC.  Return true iff we find a source/destination pair
30271         that can be used to make a replacement, and fill SRC and DEST if so.
30272         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
30273         changed.
30274         (simplify_using_initial_values): Deal with altered regs here and track
30275         more precisely the effect they have on the validity of our expression.
30277         * loop-iv.c (simplify_using_condition): A condition of the form
30278         (EQ REG CONST) can be used to simply make a substitution.
30279         (simplify_using_initial_values): Keep track of conditions we have seen
30280         and keep using them to simplify new expressions, while applying the
30281         same substitutions to them as to the expression.
30283         * simplify-rtx.c (simplify_relational_operation_1): Simplify
30284         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
30285         GEU/LTU reversed.
30287         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
30288         changed.  Use this when trying to improve the upper bound.
30289         Generate the comparison by using simplify_gen_relational.
30291         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
30293         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
30294         functions.
30295         (simplify_using_assignment, simplify_using_initial_values): Call
30296         replace_in_expr to make replacements.  Call replace_single_def_regs
30297         once on the initial version of the expression.
30299 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
30301         PR target/27237
30302         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
30304 2009-03-31  Richard Guenther  <rguenther@suse.de>
30306         PR middle-end/31029
30307         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
30308         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
30310 2009-03-31  Richard Guenther  <rguenther@suse.de>
30312         * tree.h (div_if_zero_remainder): Declare.
30313         * fold-const.c (div_if_zero_remainder): Export.
30314         * tree-ssa-forwprop.c
30315         (forward_propagate_addr_into_variable_array_index): Handle
30316         constant array index addition outside of the variable index.
30318 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
30320         PR target/39592
30321         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
30322         define_splits, floatunssi<mode>2): Require x87 conversions from
30323         DImode to be permitted.
30325 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
30327         PR preprocessor/15638
30328         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
30330 2009-03-31  Richard Guenther  <rguenther@suse.de>
30332         PR middle-end/23401
30333         PR middle-end/27810
30334         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
30335         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
30336         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
30337         a separate statement.
30338         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
30339         (lookup_tmp_var): Likewise.
30340         (is_gimple_formal_tmp_or_call_rhs): Remove.
30341         (is_gimple_reg_or_call_rhs): Rename to ...
30342         (is_gimple_reg_rhs_or_call): ... this.
30343         (is_gimple_mem_or_call_rhs): Rename to ...
30344         (is_gimple_mem_rhs_or_call): ... this.
30345         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
30346         DECL_GIMPLE_REG_P only if is_formal is true.
30347         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
30348         for non-proper post-modify expression gimplification.
30349         (gimplify_self_mod_expr): For post-modify expressions gimplify
30350         the lvalue to a minimal lvalue.
30351         (rhs_predicate_for): Remove formal temp case.
30352         (gimplify_modify_expr_rhs): Likewise.
30353         (gimplify_addr_expr): Use is_gimple_reg.
30354         (gimplify_expr): Remove formal temp cases.
30355         (gimple_regimplify_operands): Likewise.
30356         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
30357         and FILTER_EXPR like constants.
30358         * gimple.c (walk_gimple_op): Fix val_only initialization, use
30359         is_gimple_reg.
30360         (is_gimple_formal_tmp_rhs): Remove.
30361         (is_gimple_reg_rhs): Remove special casing.
30362         (is_gimple_mem_rhs): Fix.
30363         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
30364         (is_gimple_formal_tmp_var): Remove.
30365         (is_gimple_formal_tmp_reg): Likewise.
30366         (is_gimple_min_lval): Allow invariant component ref parts.
30367         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
30368         is_gimple_formal_tmp_reg): Remove declarations.
30369         * tree-cfg.c (verify_expr): Verify that variables with address
30370         taken do not have DECL_GIMPLE_REG_P set.
30371         * tree-mudflap.c (mf_build_check_statement_for): Use
30372         force_gimple_operand instead of gimplify_expr.
30374 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
30376         * modulo-sched.c (sms_schedule_by_order): Pass the actual
30377         schedulable rows to compute_split_row.
30379 2009-03-31  Ben Elliston  <bje@au.ibm.com>
30381         PR target/31635
30382         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
30383         OPT_mvrsave.
30385 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
30387         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
30388         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
30389         * configure: Regenerate.
30390         * config.in: Regenerate.
30391         * config/rs6000/rs6000.opt (mtls-markers): Add.
30392         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
30393         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
30394         (tls_ld_aix, tls_ld_sysv): Likewise.
30395         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
30396         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
30398 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
30400         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
30402 2009-03-30  Jan Hubicka  <jh@suse.cz>
30404         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
30405         out of RESX.
30406         (tree_remove_unreachable_handlers): Cleanup EH predecestor
30407         detection and label handling.
30409 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
30411         * ira-int.h (ira_allocno): Rename left_conflicts_num to
30412         left_conflicts_size.
30413         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
30414         ALLOCNO_LEFT_CONFLICTS_SIZE.
30416         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
30417         remove_allocno_from_bucket_and_push,
30418         allocno_spill_priority_compare, push_allocnos_to_stack,
30419         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
30420         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
30421         (setup_allocno_left_conflicts_num): Ditto.  Rename to
30422         setup_allocno_left_conflicts_size.
30423         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
30424         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
30425         setup_allocno_left_conflicts_size instead of
30426         setup_allocno_left_conflicts_num.
30428         * ira-build.c (ira_create_allocno): Use
30429         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
30430         ALLOCNO_LEFT_CONFLICTS_NUM.
30432 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
30434         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
30435         instead of DF_LR_OUT.
30437         * ira-lives.c (process_bb_node_lives): Ditto.
30439         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
30440         instead of DF_LR_{OUT,IN}.
30442         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
30444         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
30446 2009-03-30  Jan Hubicka  <jh@suse.cz>
30448         * except.c (label_to_region_map): Fix thinko.
30450 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
30452         PR middle-end/38237
30453         * tree.h (tree_find_value): New declaration.
30454         * tree.c (tree_find_value): New function.
30455         * varasm.c (assemble_external): Avoid duplicate entries on lists.
30457 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
30459         PR debug/39563
30460         * c-decl.c (struct c_binding): Add locus field.
30461         (bind): Add locus argument, set locus field from it.
30462         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
30463         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
30464         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
30465         implicitly_declare, undeclared_variable, lookup_label,
30466         declare_label, c_make_fname_decl, c_builtin_function,
30467         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
30468         bind callers.
30470 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
30472         PR target/38781
30473         * config/i386/i386.c (classify_argument): Check total size of
30474         structure.
30476 2009-03-30  Martin Jambor  <mjambor@suse.cz>
30478         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
30479         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
30480         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
30481         respectively.
30483         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
30484         seen_variable_array_ref while also traversing a union.
30486         * tree-inline.c (optimize_inline_calls): Do not call
30487         cgraph_node_remove_callees.
30488         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
30489         (pass_remove_cgraph_callee_edges): New variable.
30490         * passes.c (init_optimization_passes): Add
30491         pass_remove_cgraph_callee_edges after early inlining and before all
30492         late intraprocedural passes.
30494         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
30496 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
30498         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
30499         Fix typos in names.
30501 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
30503         * combine.c (simplify_comparison): Use have_insn_for.
30504         * dojump.c (do_jump): Likewise.
30506 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
30508         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
30509         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
30510         sparc_compare_op0 like sparc_compare_emitted used to be handled.
30511         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
30512         instead of sparc_compare_emitted.
30513         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
30514         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
30515         instead of sparc_compare_emitted.
30517 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
30519         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
30520         enter/exit cfglayout mode.
30521         (pass_partition_block): Require it.
30522         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
30523         (combine_instructions): Track basic blocks instead of labels.
30524         (update_cfg_for_uncondjump): New.
30525         (try_combine): Use it.  Update jumps after rescanning.
30526         (pass_combine): Require PROP_cfglayout.
30527         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
30529 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
30531         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
30532         Provide/destroy PROP_cfglayout respectively.
30533         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
30534         * tree-pass.h (PROP_cfglayout): New.
30536 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
30538         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
30539         fold_convert_const_fixed_from_fixed,
30540         fold_convert_const_fixed_from_int,
30541         fold_convert_const_fixed_from_real, fold_negate_const): Do not
30542         set TREE_CONSTANT_OVERFLOW.
30543         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
30544         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
30546 2009-03-30  Ira Rosen  <irar@il.ibm.com>
30548         * tree-vect-loop-manip.c: New file.
30549         * tree-vectorizer.c: Update documentation and included files.
30550         (vect_loop_location): Make extern.
30551         (rename_use_op): Move to tree-vect-loop-manip.c
30552         (rename_variables_in_bb, rename_variables_in_loop,
30553         slpeel_update_phis_for_duplicate_loop,
30554         slpeel_update_phi_nodes_for_guard1,
30555         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
30556         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
30557         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
30558         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
30559         find_loop_location): Likewise.
30560         (new_stmt_vec_info): Move to tree-vect-stmts.c.
30561         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
30562         get_vectype_for_scalar_type, vect_is_simple_use,
30563         supportable_widening_operation, supportable_narrowing_operation):
30564         Likewise.
30565         (bb_in_loop_p): Move to tree-vect-loop.c.
30566         (new_loop_vec_info, destroy_loop_vec_info,
30567         reduction_code_for_scalar_code, report_vect_op,
30568         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
30569         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
30570         (vect_supportable_dr_alignment): Likewise.
30571         * tree-vectorizer.h (tree-data-ref.h): Include.
30572         (vect_loop_location): Declare.
30573         Reorganize function declarations according to the new file structure.
30574         * tree-vect-loop.c: New file.
30575         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
30576         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
30577         * tree-vect-data-refs.c: New file.
30578         * tree-vect-patterns.c (timevar.h): Don't include.
30579         * tree-vect-stmts.c: New file.
30580         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
30581         tree-vect-slp.c, tree-vect-loop.c.
30582         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
30583         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
30584         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
30585         (tree-vect-analyze.o): Remove.
30586         (tree-vect-transform.o): Likewise.
30587         (tree-vect-data-refs.o): Add rule.
30588         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
30589         tree-vect-slp.o): Likewise.
30590         (tree-vect-patterns.o): Remove redundant dependencies.
30591         (tree-vectorizer.o): Likewise.
30592         * tree-vect-slp.c: New file.
30594 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
30596         * optc-gen.awk: Warn if an option flag has multiple different
30597         help strings.
30599 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
30601         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
30602         -floop-block): Document dependences on PPL, CLooG and Graphite.
30604 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
30606         PR rtl-optimization/323
30607         * c-common.c (c_fully_fold, convert_and_check,
30608         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
30609         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
30610         * c-common.def (EXCESS_PRECISION_EXPR): New.
30611         * c-cppbuiltin.c (builtin_define_float_constants): Define
30612         constants with enough digits for long double.
30613         * c-lex.c (interpret_float): Interpret constant with excess
30614         precision where appropriate.
30615         * c-opts.c (c_common_post_options): Set
30616         flag_excess_precision_cmdline.  Give an error for
30617         -fexcess-precision=standard for C++ for processors where the
30618         option is significant.
30619         * c-parser.c (c_parser_conditional_expression): Handle excess
30620         precision in condition.
30621         * c-typeck.c (convert_arguments): Handle arguments with excess
30622         precision.
30623         (build_unary_op): Move excess precision outside operation.
30624         (build_conditional_expr): Likewise.
30625         (build_compound_expr): Likewise.
30626         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
30627         (build_modify_expr): Handle excess precision in RHS.
30628         (convert_for_assignment): Handle excess precision in converted
30629         value.
30630         (digest_init, output_init_element, process_init_element): Handle
30631         excess precision in initializer.
30632         (c_finish_return): Handle excess precision in return value.
30633         (build_binary_op): Handle excess precision in operands and add
30634         excess precision as needed for operation.
30635         * common.opt (-fexcess-precision=): New option.
30636         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
30637         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
30638         For standard excess precision, output explicit conversion to and
30639         truncation from XFmode.
30640         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
30641         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
30642         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
30643         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
30644         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
30645         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
30646         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
30647         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
30648         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
30649         define_splits, sqrt<mode>2): Disable where appropriate for
30650         standard excess precision.
30651         * convert.c (convert_to_real): Do not shorten arithmetic to type
30652         for which excess precision would be used.
30653         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
30654         * doc/invoke.texi (-fexcess-precision=): Document option.
30655         (-mfpmath=): Correct index entry.
30656         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
30657         flag_excess_precision): New.
30658         * langhooks.c (lhd_post_options): Set
30659         flag_excess_precision_cmdline.
30660         * opts.c (common_handle_option): Handle -fexcess-precision=.
30661         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
30662         init_excess_precision): New.
30663         (lang_dependent_init_target): Call init_excess_precision.
30664         * tree.c (excess_precision_type): New.
30665         * tree.h (excess_precision_type): Declare.
30667 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
30669         PR c/35235
30670         * c-typeck.c (build_component_ref): Do not copy qualifiers from
30671         non-lvalue to component.
30673 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
30675         PR preprocessor/34695
30676         * Makefile.in (c-opts.o): Depend on c-tree.h.
30677         * c-common.c: Move down include of diagnostic.h.
30678         (done_lexing, c_cpp_error): New.
30679         * c-common.h (done_lexing): Declare.
30680         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
30681         (parse_in).
30682         * c-opts.c: Include c-tree.h.
30683         (c_common_init_options): Set preprocessor error callback.
30684         (c_common_handle_option): Do not set preprocessor
30685         inhibit_warnings, warnings_are_errors, warn_system_headers,
30686         pedantic_errors or inhibit_warnings flags.
30687         (c_common_post_options): Do not check cpp_errors (parse_in).
30688         (c_common_finish): Do not output dependencies if there were
30689         errors.  Do not check return value of cpp_finish.
30690         * c-ppoutput.c (pp_file_change): Set input_location.
30691         * c-tree.h (c_cpp_error): Declare.
30692         * diagnostic.c (diagnostic_set_info_translated): Also initialize
30693         override_column.
30694         (diagnostic_build_prefix): Check override_column.
30695         * diagnostic.h (diagnostic_info): Add override_column field.
30696         (diagnostic_override_column): Define.
30698 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
30700         * c-common.c (c_expand_expr, c_staticp): Remove.
30701         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
30702         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
30703         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
30704         * c-gimplify.c (gimplify_compound_literal_expr,
30705         optimize_compound_literals_in_ctor): Remove.
30706         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
30707         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
30708         * c-semantics.c (emit_local_var): Remove.
30710         * langhooks-def.h (lhd_expand_expr): Remove.
30711         * langhooks.c (lhd_expand_expr): Remove.
30712         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
30714         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
30715         handling from c-semantics.c; don't call into langhook.
30716         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
30717         * gimplify.c (gimplify_compound_literal_expr,
30718         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
30719         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
30720         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
30721         as was done in c-gimplify.c.
30722         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
30723         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
30724         Move from c-common.h.
30725         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
30727         * tree.c (staticp): Do not call langhook.
30728         * langhooks.c (lhd_staticp): Delete.
30729         * langhooks-def.h (lhd_staticp): Delete prototype.
30730         (LANG_HOOKS_STATICP): Delete.
30731         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
30733         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
30734         instead of DECL_STMTs.
30736 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
30738         PR c/456
30739         PR c/5675
30740         PR c/19976
30741         PR c/29116
30742         PR c/31871
30743         PR c/35198
30744         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
30745         void_type_node.
30746         (fold_call_expr): Return a NOP_EXPR from folding rather than the
30747         contained expression.
30748         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
30749         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
30750         conditional expressions for C.
30751         (decl_constant_value_for_optimization): Move from
30752         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
30753         whether optimizing and that the expression is a VAR_DECL not of
30754         array type instead of doing such checks in the caller.  Do not
30755         check pedantic.  Call gcc_unreachable for C++.
30756         * c-common.def (C_MAYBE_CONST_EXPR): New.
30757         * c-common.h (c_fully_fold, c_save_expr,
30758         decl_constant_value_for_optimization): New prototypes.
30759         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
30760         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
30761         EXPR_INT_CONST_OPERANDS): Define.
30762         * c-convert.c (convert): Strip nops from expression.
30763         * c-decl.c (groktypename): Take extra parameters expr and
30764         expr_const_operands.  Update call to grokdeclarator.
30765         (start_decl): Update call to grokdeclarator.  Add statement for
30766         expressions used in type of decl.
30767         (grokparm): Update call to grokdeclarator.
30768         (push_parm_decl): Update call to grokdeclarator.
30769         (build_compound_literal): Add parameter non_const and build a
30770         C_MAYBE_COSNT_EXPR if applicable.
30771         (grokdeclarator): Take extra parameters expr and
30772         expr_const_operands.  Track expressions used in declaration
30773         specifiers and declarators.  Fold array sizes and track whether
30774         they are constant expressions and whether they are integer
30775         constant expressions.
30776         (parser_xref_tag): Set expr and expr_const_operands fields in
30777         return value.
30778         (grokfield): Update call to grokdeclarator.
30779         (start_function): Update call to grokdeclarator.
30780         (build_null_declspecs): Set expr and expr_const_operands fields in
30781         return value.
30782         (declspecs_add_type): Handle expressions in typeof specifiers.
30783         * c-parser.c (c_parser_declspecs): Set expr and
30784         expr_const_operands fields for declaration specifiers.
30785         (c_parser_enum_specifier): Likewise.
30786         (c_parser_struct_or_union_specifier): Likewise.
30787         (c_parser_typeof_specifier): Likewise.  Update call to
30788         groktypename.  Fold expression as needed.  Return expressions with
30789         type instead of adding statements.
30790         (c_parser_attributes): Update calls to c_parser_expr_list.
30791         (c_parser_statement_after_labels): Fold expression before passing
30792         to objc_build_throw_stmt.
30793         (c_parser_condition): Fold expression.
30794         (c_parser_asm_operands): Fold expression.
30795         (c_parser_conditional_expression): Use c_save_expr.  Update call
30796         to build_conditional_expr.
30797         (c_parser_alignof_expression): Update call to groktypename.
30798         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
30799         original_code.  Fold expression argument of va_arg.  Create
30800         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
30801         argument to va_arg.  Update calls to groktypename.  Fold array
30802         index for offsetof.  Verify that first argument to
30803         __builtin_choose_expr has integer type.
30804         (c_parser_postfix_expression_after_paren_type): Update calls to
30805         groktypename and build_compound_literal.  Handle expressions with
30806         side effects in type name.
30807         (c_parser_postfix_expression_after_primary): Update call to
30808         c_parser_expr_list.  Set original_code for calls to
30809         __builtin_constant_p.
30810         (c_parser_expr_list): Take extra parameter fold_p.  Fold
30811         expressions if requested.
30812         (c_parser_objc_type_name): Update call to groktypename.
30813         (c_parser_objc_synchronized_statement): Fold expression.
30814         (c_parser_objc_receiver): Fold expression.
30815         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
30816         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
30817         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
30818         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
30819         (struct c_typespec): Add elements expr and expr_const_operands.
30820         (struct c_declspecs): Add elements expr and expr_const_operands.
30821         (groktypename, build_conditional_expr, build_compound_literal):
30822         Update prototypes.
30823         (in_late_binary_op): Declare.
30824         * c-typeck.c (note_integer_operands): New function.
30825         (in_late_binary_op): New variable.
30826         (decl_constant_value_for_broken_optimization): Move to c-common.c
30827         and rename to decl_constant_value_for_optimization.
30828         (default_function_array_conversion): Do not strip nops.
30829         (default_conversion): Do not call
30830         decl_constant_value_for_broken_optimization.
30831         (build_array_ref): Do not fold result.
30832         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
30833         result when operand is a VLA.
30834         (c_expr_sizeof_type): Update call to groktypename.  Handle
30835         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
30836         result when operand names a VLA type.
30837         (build_function_call): Update call to build_compound_literal.
30838         Only fold result for calls to __builtin_* functions.  Strip
30839         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
30840         the function designator.
30841         (convert_arguments): Fold arguments.  Update call to
30842         convert_for_assignment.
30843         (build_unary_op): Handle increment and decrement of
30844         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
30845         decrement earlier.  Fold operand of increment and decrement.
30846         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
30847         built for integer operand.  Wrap returns that are INTEGER_CSTs
30848         without being integer constant expressions or that have integer
30849         constant operands without being INTEGER_CSTs.
30850         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
30851         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
30852         result is an integer constant expression or can be used in
30853         unevaluated parts of one and avoid folding and wrap as
30854         appropriate.  Fold operands before possibly doing -Wsign-compare
30855         warnings.
30856         (build_compound_expr): Wrap result for C99 if operands can be used
30857         in integer constant expressions.
30858         (build_c_cast): Update call to digest_init.  Do not ignore
30859         overflow from casting floating-point constants to integers.  Wrap
30860         results that could be confused with integer constant expressions,
30861         null pointer constants or floating-point constants.
30862         (c_cast_expr): Update call to groktypename.  Handle expressions
30863         included in type name.
30864         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
30865         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
30866         Update calls to convert_for_assignment.
30867         (convert_for_assignment): Take new parameter
30868         null_pointer_constant.  Do not strip nops or call
30869         decl_constant_value_for_broken_optimization.  Set
30870         in_late_binary_op for conversions to boolean.
30871         (store_init_value): Update call to digest_init.
30872         (digest_init): Take new parameter null_pointer_constant.  Do not
30873         call decl_constant_value_for_broken_optimization.  pedwarn for
30874         initializers not constant expressions.  Update calls to
30875         convert_for_assignment.
30876         (constructor_nonconst): New.
30877         (struct constructor_stack): Add nonconst element.
30878         (really_start_incremental_init, push_init_level, pop_init_level):
30879         Handle constructor_nonconst and nonconst element.
30880         (set_init_index): Call constant_expression_warning for array
30881         designators.
30882         (output_init_element): Fold value.  Set constructor_nonconst as
30883         applicable.  pedwarn for initializers not constant expressions.
30884         Update call to digest_init.  Call constant_expression_warning
30885         where constant initializers are required.
30886         (process_init_element): Use c_save_expr.
30887         (c_finish_goto_ptr): Fold expression.
30888         (c_finish_return): Fold return value.  Update call to
30889         convert_for_assignment.
30890         (c_start_case): Fold switch expression.
30891         (c_process_expr_stmt): Fold expression.
30892         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
30893         ensure statement expression is not evaluated in constant expression.
30894         (build_binary_op): Track whether results are integer constant
30895         expressions or may occur in such, disable folding and wrap results
30896         as applicable.  Fold operands for -Wsign-compare warnings unless
30897         in_late_binary_op.
30898         (c_objc_common_truthvalue_conversion): Handle results folded to
30899         integer constants that are not integer constant expressions.
30900         * doc/extend.texi: Document when typeof operands are evaluated,
30901         that condition of __builtin_choose_expr is an integer constant
30902         expression, and more about use of __builtin_constant_p in
30903         initializers.
30905 2009-03-29  Richard Guenther  <rguenther@suse.de>
30907         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
30908         propagate addresses of array references.
30910 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
30912         * regmove.c (perhaps_ends_bb_p): Remove.
30913         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
30914         from INSN and check that the main loop stays within that basic block.
30915         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
30916         (regmove_forward_pass): Split out from regmove_optimize.  Use
30917         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
30918         (regmove_backward_pass): Split out from regmove_optimize.  Use
30919         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
30920         (regmove_optimize): Simplify.
30922 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
30924         PR target/39545
30925         * config/i386/i386.c (classify_argument): Ignore flexible array
30926         member in struct and warn ABI change.
30928 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
30930         * config/i386/i386-protos.h (ix86_agi_dependent): New.
30932         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
30933         (ix86_adjust_cost): Updated.
30935 2009-03-29  Jan Hubicka  <jh@suse.cz>
30937         PR middle-end/28850
30938         * tree-pass.h (pass_cleanup_eh): New function.
30939         (remove_unreachable_regions): Break code handling RTL
30940         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
30941         that can not be reached by runtime.
30942         (can_be_reached_by_runtime): New function.
30943         (label_to_region_map): New function.
30944         (num_eh_regions): New function.
30945         (rtl_remove_unreachable_regions): New function.
30946         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
30947         (remove_eh_region): New function.
30948         * except.h: Include sbitmap and vecprim.
30949         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
30950         num_eh_regions): Declare.
30951         * passes.c (init_optimization_passes): Schedule cleanup_eh.
30952         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
30953         * tree-eh.c (tree_remove_unreachable_handlers): New function.
30954         (tree_empty_eh_handler_p): New function.
30955         (cleanup_empty_eh): New function.
30956         (cleanup_eh): New function.
30957         (pass_cleanup_eh): New function.
30959 2009-03-29  Jan Hubicka  <jh@suse.cz>
30961         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
30962         for removed regions.
30964 2009-03-29  Jan Hubicka  <jh@suse.cz>
30966         * except.c (dump_eh_tree): Dump all datastructures.
30968 2009-03-29  Jan Hubicka  <jh@suse.cz>
30970         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
30971         (duplicate_eh_regions_1): Likewise.
30972         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
30973         vector; call EH verification.
30974         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
30975         Be ready for region being removed.
30977 2009-03-29  Jan Hubicka  <jh@suse.cz>
30979         * bitmap.c (bitmap_last_set_bit): New function.
30980         * bitmap.h (bitmap_last_set_bit): Declare.
30982 2009-03-29  David Ayers  <ayers@fsfe.org>
30984         PR objc/27377
30985         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
30986         by calling objc_compare_types and surpress warnings about
30987         incompatible C pointers that are compatible ObjC pointers.
30989 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
30991         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
30992         call initialize_inline_failed.
30993         (initialize_inline_failed): Move it from here ...
30994         * cgraph.c (initialize_inline_failed): ... to here.
30995         (cgraph_create_edge): Call initialize_inline_failed rather than
30996         setting inline_failed directly.
30998 2009-03-29  Ben Elliston  <bje@au.ibm.com>
31000         PR target/32542
31001         * sysv4.opt (msdata): Improve comment.
31002         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
31003         * sysv4.h (SVR4_ASM_SPEC): Likewise.
31005 2009-03-29  Ben Elliston  <bje@au.ibm.com>
31007         PR target/30451
31008         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
31009         load and store attributes.
31011 2009-03-29  Ben Elliston  <bje@au.ibm.com>
31013         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
31014         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
31015         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
31016         * doc/extend.texi (X86 Built-in Functions): Add index entries for
31017         __builtin_infq and __builtin_huge_valq.
31019 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
31021         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
31022         atmega8m1 devices.
31023         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
31024         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
31026 2009-03-28  Xinliang David Li  <davidxl@google.com>
31028         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
31029         (do_dbg_cnt): New function.
31031 2009-03-28  Jan Hubicka  <jh@suse.cz>
31033         Merge from pretty-ipa:
31035         2009-03-27  Jan Hubicka  <jh@suse.cz>
31037         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
31038         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
31039         * passes.c (function_called_by_processed_nodes_p): New.
31040         * ipa-pure-const.c (check_call): Fix handling of operands.
31041         (analyze_function): Dump debug output for skipped bodies.
31042         (local_pure_const): Use function_called_by_processed_nodes_p.
31043         * dwarf2out.c (reference_to_unused): Use output.
31044         * passes.c (do_per_function_toporder): Likewise.
31046         2008-11-12  Jan Hubicka  <jh@suse.cz>
31048         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
31049         * ipa-pure-const.c (funct_state_d): Add can throw field; make
31050         state_set_in_source enum
31051         (check_decl): Ignore memory tags; do not set fake looping flags;
31052         dump diagnostics.
31053         (check_operand, check_tree, check_rhs_var, check_lhs_var,
31054         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
31055         (check_call, analyze_function): Rewrite.
31056         (check_stmt): New.
31057         (add_new_function): Update call of analyze_function.
31058         (generate_summary): Add call of analyze_function.
31059         (propagate): Propagate can_throw; handle state_set_in_source correctly.
31060         (local_pure_const): New function.
31061         (pass_local_pure_const): New pass.
31062         * ipa-inline.c (inline_transform): Set after_inlining.
31063         * tree-eh.c (stmt_can_throw_external): New.
31064         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
31065         work with aliasing built.
31066         * tree-flow.h (stmt_can_throw_external): New.
31067         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
31068         and local pure/const pass in early and late optimization queue.
31070 2009-03-28  Martin Jambor  <mjambor@suse.cz>
31072         * fold-const.c (get_pointer_modulus_and_residue): New parameter
31073         allow_func_align.
31074         (fold_binary): Allow function decl aligment consideration is the
31075         second argument is integer constant one.
31076         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
31077         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
31078         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
31080 2009-03-28  Jan Hubicka  <jh@suse.cz>
31082         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
31083         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
31084         * function.h (rtl_data): Add nothrow flag.
31085         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
31086         set DECL_NOTHROW for AVAILABLE functions.
31088 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
31090         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
31091         following vector keyword has expansion starting with pixel or bool
31092         keyword, expand vector to __vector and pixel or bool to __pixel or
31093         __bool.
31095         PR c++/39554
31096         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
31097         warn_if_disallowed_function_p): Removed.
31098         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
31099         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
31100         warning_if_disallowed_function_p.
31101         * flags.h (warn_if_disallowed_function_p,
31102         warn_disallowed_functions): Removed.
31103         * common.opt (Wdisallowed-function-list=): Removed.
31104         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
31106 2009-03-28  Richard Guenther  <rguenther@suse.de>
31108         PR tree-optimization/38723
31109         * tree-ssa-pre.c (compute_avail): Add all default definitions to
31110         the entry block.
31112 2009-03-28  Jan Hubicka  <jh@suse.cz>
31114         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
31115         test introduced by my previous patch.
31117 2009-03-28  Richard Guenther  <rguenther@suse.de>
31119         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
31120         the PHIs value undefined.
31122 2009-03-28  Jan Hubicka  <jh@suse.cz>
31124         * tree-pass.h (pass_fixup_cfg): New pass.
31125         * ipa-inline.c (inline_transform): Set
31126         always_inline_functions_inlined/after_inlining.
31127         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
31128         (pass_fixup_cfg): New pass.
31129         * passes.c (init_optimization_passes): Add fixup_cfg.
31131 2009-03-28  Richard Guenther  <rguenther@suse.de>
31133         PR tree-optimization/38458
31134         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
31135         argument use the arguments copy-of value.
31137 2009-03-28  Richard Guenther  <rguenther@suse.de>
31139         PR tree-optimization/38180
31140         * tree-ssa-ccp.c (get_default_value): Simplify.
31141         (likely_value): Likewise.
31142         (surely_varying_stmt_p): Properly handle VOP case.
31143         (ccp_initialize): Likewise.
31144         (ccp_fold): Handle propagating through *&.
31145         (fold_const_aggregate_ref): Also handle decls.
31147 2009-03-28  Jan Hubicka  <jh@suse.cz>
31149         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
31150         * cgraph.h (cgraph_node): Likewise.
31151         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
31152         (cgraph_reset_node): Use process flag.
31153         (cgraph_mark_functions_to_output): Likewise.
31154         (cgraph_expand_function): Likewise.
31155         (cgraph_expand_all_functions): Likewise.
31156         (cgraph_output_in_order): Likewise.
31157         * dwarf2out.c (reference_to_unused): Likewise.
31158         * passes.c do_per_function_toporder): Likewise.
31160 2009-03-28  Jan Hubicka  <jh@suse.cz>
31162         Bring from lto-branch:
31164         2008-09-03  Doug Kwan  <dougkwan@google.com>
31166         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
31167         enums instead of reason strings.
31168         * cgraph.c (cgraph_create_edge): Same.
31169         (cgraph_inline_failed_string): New function.
31170         * cgraph.h (cgraph_inline_failed_t): New enum type.
31171         (cgraph_inline_failed_string): New prototype.
31172         (struct cgraph_edge): Change type of INLINED_FAILED from constant
31173         char pointer to cgraph_inline_failed_t.
31174         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
31175         (cgraph_default_inline_p): Ditto.
31176         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
31177         to cgraph_inline_failed_t pointer.
31178         * cif-code.def: New file.
31179         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
31180         reason string.
31181         (cgraph_check_inline_limits): Change type of REASON to pointer to
31182         cgraph_inline_failed_t.  Replace reason strings with enums.
31183         (cgraph_default_inline_p): Ditto.
31184         (cgraph_recursive_inlining_p): Ditto.
31185         (update_caller_keys): Change type of FAILED_REASON to
31186         cgraph_inline_failed_t.
31187         (cgraph_set_inline_failed): Change type of REASON to pointer to
31188         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
31189         convert enums to strings for text output.
31190         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
31191         to be of type cgraph_inline_failed_t.  Replace reason strings with
31192         enums.  Call cgraph_inline_failed_string to covert enums
31193         to strings for text output.
31194         (cgraph_decide_inlining): Replace reason strings with enums.
31195         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
31196         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
31197         for text output.
31198         * tree-inline.c (expand_call_inline): Change type of REASON
31199         to cgraph_inline_failed_t.  Replace reason strings with enums.
31200         Call cgraph_inline_failed_string for text output.
31201         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
31202         (cgraph.o): Ditto.
31204 2009-03-28  Jan Hubicka  <jh@suse.cz>
31206         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
31207         cgraph_clone_node): Remove master clone handling.
31208         (cgraph_is_master_clone, cgraph_master_clone): Remove.
31209         * cgraph.h (master_clone): Remove.
31210         (cgraph_is_master_clone, cgraph_master_clone): Remove.
31211         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
31212         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
31214 2009-03-28  Jan Hubicka  <jh@suse.cz>
31216         * cgraph.c (cgraph_function_body_availability): Functions declared
31217         inline are always safe to assume that it is not going to be replaced.
31219 2009-03-28  Richard Guenther  <rguenther@suse.de>
31221         PR tree-optimization/38513
31222         * tree-ssa-pre.c (eliminate): Remove redundant stores.
31223         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
31224         EXC_PTR_EXPR and FILTER_EXPR.
31225         (get_ref_from_reference_ops): Likewise.
31227 2009-03-28  Richard Guenther  <rguenther@suse.de>
31229         PR tree-optimization/38968
31230         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
31231         Use FLOOR_MOD_EXPR to compute misalignment.
31233 2009-03-28  Richard Guenther  <rguenther@suse.de>
31235         PR tree-optimization/37795
31236         * tree.h (combine_comparisons): Declare.
31237         * fold-const.c (combine_comparisons): Export.
31238         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
31239         comparisons.
31240         (ifcombine_iforif): Use combine_comparisons.
31242 2009-03-28  Jan Hubicka  <jh@suse.cz>
31244         * tree-eh.c (inlinable_call_p): New function.
31245         (make_eh_edges): Use it.
31246         (verify_eh_edges): Use it.
31247         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
31248         * except.c (reachable_next_level): Add inlinable_function argument
31249         (sjlj_find_directly_reachable_regions): Update.
31250         (add_reachable_handler): Do not set saw_any_handlers.
31251         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
31252         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
31253         Add new inlinable call parameter.
31254         (can_throw_internal, can_throw_external): Update.
31255         * except.h (can_throw_internal_1, can_throw_external_1,
31256         foreach_reachable_handler): Update declaration.
31258 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
31260         * config/arm/t-arm-coff, config/h8300/coff.h,
31261         config/i386/i386-aout.h, config/i386/i386-coff.h,
31262         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
31263         config/pdp11/2bsd.h, config/rs6000/aix41.h,
31264         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
31265         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
31266         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
31267         sys-types.h: Remove.
31268         * Makefile.in: Remove protoize and fixproto support and references
31269         in comments.
31270         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
31271         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
31272         Remove.
31273         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
31274         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
31275         unprotoize$(exeext).
31276         (rest.encap): Don't depend on $(STMP_FIXPROTO)
31277         (.PHONY): Don't depend on proto.
31278         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
31279         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
31280         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
31281         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
31282         build/gen-protos.o, build/scan.o, xsys-protos.h,
31283         build/fix-header$(build_exeext), build/fix-header.o,
31284         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
31285         stmp-install-fixproto): Remove.
31286         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
31287         SYSCALLS.c or fixproto files.
31288         (install-common): Don't install protoize.
31289         (install-headers-tar, install-headers-cpio, install-headers-cp):
31290         Don't depend on $(STMP_FIXPROTO).
31291         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
31292         install fixproto files or write out fixproto settings.
31293         (uninstall): Don't uninstall protoize.
31294         * config.gcc (use_fixproto): Remove.
31295         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
31296         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
31297         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
31298         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
31299         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
31300         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
31301         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
31302         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
31303         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
31304         * config/t-vxworks (STMP_FIXPROTO): Remove.
31305         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
31306         STMP_FIXPROTO): Remove.
31307         * config.in, configure: Regenerate.
31308         * crtstuff.c (gid_t, uid_t): Don't undefine.
31309         * doc/install.texi: Change m68k-coff to m68k-elf in example.
31310         (arm-*-coff, arm-*-aout: Remove target entries.
31311         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
31312         Remove mention of AIX 4.1.
31313         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
31314         * doc/invoke.texi (Running Protoize): Remove.
31315         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
31316         (Protoize Caveats): Remove.
31317         * tsystem.h: Update comments on headers assumed to exist.
31319 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
31321         * genautomata.c: Add a new year to the copyright.  Add a new
31322         reference.
31323         (struct insn_reserv_decl): Add comments for member bypass_list.
31324         (find_bypass): Remove.
31325         (insert_bypass): New.
31326         (process_decls): Use insert_bypass.
31327         (output_internal_insn_latency_func): Output all bypasses with the
31328         same input insn in one switch case.
31330         * rtl.def (define_bypass): Describe bypass choice.
31331         * doc/md.texi (define_bypass): Ditto.
31333 2009-03-27  Richard Guenther  <rguenther@suse.de>
31335         * gimplify.c (mark_addressable): Export.
31336         * tree-flow.h (mark_addressable): Declare.
31337         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
31338         * tree-ssa.c (verify_phi_args): Verify that address taken
31339         variables have TREE_ADDRESSABLE set.
31341 2009-03-27  Richard Guenther  <rguenther@suse.de>
31343         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
31344         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
31345         Do not mark decls TREE_ADDRESSABLE.
31346         (build_fold_addr_expr): Adjust.
31347         (fold_addr_expr): Remove.
31348         (fold_unary): Use build_fold_addr_expr.
31349         (fold_comparison): Likewise.
31350         (split_address_to_core_and_offset): Likewise.
31351         * coverage.c (tree_coverage_counter_addr): Mark the array decl
31352         TREE_ADDRESSABLE.
31353         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
31354         (gimplify_modify_expr_to_memcpy): Mark source and destination
31355         addressable.
31356         * omp-low.c (create_omp_child_function): Mark the object decl
31357         TREE_ADDRESSABLE.
31358         (lower_rec_input_clauses): Mark the var we take the address of
31359         TREE_ADDRESSABLE.
31360         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
31362 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
31364         PR middle-end/39315
31365         * cfgexpand.c (expand_one_stack_var_at): Change alignment
31366         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
31368 2009-03-27  Richard Guenther  <rguenther@suse.de>
31370         PR tree-optimization/39120
31371         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
31372         constraints.
31373         (handle_lhs_call): Process return constraints.  Add escape
31374         constraints if necessary.
31375         (handle_const_call): Fill out return constraints.  Make nested
31376         case more precise.  Avoid consttmp if possible.
31377         (handle_pure_call): Fill out return constraints.  Avoid
31378         callused if possible.
31379         (find_func_aliases): Simplify call handling.
31381 2009-03-27  Richard Guenther  <rguenther@suse.de>
31383         PR tree-optimization/39120
31384         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
31385         as a representative.
31386         (solve_graph): Do propagate CALLUSED.
31387         (handle_pure_call): Use a scalar constraint from CALLUSED for
31388         the return value.
31389         (find_what_p_points_to): CALLUSED shall not appear in poins-to
31390         solutions.
31392 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
31394         PR c/39323
31395         * c-common.c (handle_aligned_attribute): Properly check alignment
31396         overflow.  Use (1U << i) instead of (1 << i).
31398         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
31400         * expr.h (get_mem_align_offset): Updated.
31402         * tree.h (tree_decl_common): Change align to "unsigned int" and
31403         move it before pointer_alias_set.
31405 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
31406             Jakub Jelinek  <jakub@redhat.com>
31408         PR target/38034
31409         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
31410         gr_register_operand with gr_reg_or_0_operand.
31411         (cmpxchg_rel_di): Likewise.
31412         (sync_lock_test_and_set<mode>): Likewise.
31414 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
31416         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
31417         (true_regnum): Likewise.
31419         * rtlanal.c (subreg_info): Moved to ...
31420         * rtl.h (subreg_info): Here.  New.
31421         (subreg_get_info): New.
31423         * rtlanal.c (subreg_get_info): Make it extern.
31425 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
31427         PR target/39472
31428         * config/i386/i386.c (ix86_abi): New.
31429         (override_options): Handle -mabi=.
31430         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
31431         (ix86_call_abi_override): Likewise.
31432         (init_cumulative_args): Likewise.
31433         (function_arg_advance): Likewise.
31434         (function_arg_64): Likewise.
31435         (function_arg): Likewise.
31436         (ix86_pass_by_reference): Likewise.
31437         (ix86_function_value_regno_p): Likewise.
31438         (ix86_build_builtin_va_list_abi): Likewise.
31439         (setup_incoming_varargs_64): Likewise.
31440         (is_va_list_char_pointer): Likewise.
31441         (ix86_init_machine_status): Likewise.
31442         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
31443         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
31444         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
31445         (ix86_function_abi): Make it static and return enum calling_abi.
31446         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
31447         with ix86_abi.
31448         (ix86_fn_abi_va_list): Updated.
31450         * config/i386/i386.h (ix86_abi): New.
31451         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
31452         (CONDITIONAL_REGISTER_USAGE): Likewise.
31453         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
31454         (machine_function): Likewise.
31456         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
31457         with ix86_abi.
31458         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
31459         (STACK_BOUNDARY): Likewise.
31460         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
31462         * config/i386/i386.opt (mabi=): New.
31464         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
31465         return enum calling_abi.
31466         (ix86_function_type_abi): Likewise.
31467         (ix86_function_abi): Removed.
31469         * doc/invoke.texi: Document -mabi= option for x86.
31471 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
31473         * builtins.c (real_dconstp): Delete.
31474         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
31476 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
31477             Jakub Jelinek  <jakub@redhat.com>
31479         PR debug/37959
31480         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
31481         (gen_subprogram_die): When a function is explicit, generate the
31482         DW_AT_explicit attribute.
31483         * langhooks.h (struct lang_hooks_for_decls): Add
31484         function_decl_explicit_p langhook.
31485         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
31486         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
31488 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
31490         * builtins.c (fold_builtin_memory_op): Optimize memmove
31491         into memcpy if we can prove source and destination don't overlap.
31493         * tree-inline.c: Include gt-tree-inline.h.
31494         (clone_fn_id_num): New variable.
31495         (clone_function_name): New function.
31496         (tree_function_versioning): Use it.
31497         * Makefile.in (GTFILES): Add tree-inline.c.
31499 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
31501         * BASE-VER: Change to 4.5.0.
31503 2009-03-27  Xinliang David Li  <davidxl@google.com>
31505         PR tree-optimization/39557
31506         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
31508 2009-03-27  Xinliang David Li  <davidxl@google.com>
31510         PR tree-optimization/39548
31511         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
31512         candidate check.
31514 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
31516         * c-common.c (pointer_int_sum): Use %wd on return from
31517         tree_low_cst.
31519 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
31521         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
31522         on return from tree_low_cst.
31524 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
31526         PR c++/36799
31527         * ginclude/stdarg.h (va_copy): Define also for
31528         __GXX_EXPERIMENTAL_CXX0X__.
31530 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
31532         PR c++/35652
31533         * builtins.h (c_strlen): Do not warn here.
31534         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
31535         * c-common.c (pointer_int_sum): Take an explicit location.
31536         Warn about offsets out of bounds.
31537         * c-common.h (pointer_int_sum): Adjust declaration.
31539 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
31541         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
31542         markup glitch.
31544 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
31546         PR c++/39554
31547         * opts.c (warn_if_disallowed_function_p): Don't assume
31548         get_callee_fndecl must return non-NULL.
31550 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
31552         PR rtl-optimization/39522
31553         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
31554         when reg_reloaded_valid is set.
31556 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
31558         * config/spu/divv2df3.c: New file.
31559         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
31560         (DPBIT_FUNCS): Filter out _div_df.
31562 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
31564         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
31565         a jump insn, count that jump in the distance to the loop start.
31567 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
31569         PR target/39523
31570         * config/sh/sh.c (calc_live_regs): Fix condition for global
31571         registers except PIC_OFFSET_TABLE_REGNUM.
31573 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
31575         PR/39518
31576         * doc/invoke.texi (-mconsole): New.
31577         (-mcygwin): New.
31578         (-mno-cygwin): New.
31579         (-mdll): New.
31580         (-mnop-fun-dllimport): New.
31581         (-mthread): New.
31582         (-mwin32): New.
31583         (-mwindows): New.
31584         (sub section "i386 and x86-64 Windows Options"): New.
31586 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
31588         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
31589         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
31591 2009-03-25  Richard Guenther  <rguenther@suse.de>
31593         PR middle-end/39497
31594         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
31595         of -Wno-error.
31597 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
31599         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
31600         neither of haifa/selective schedulers are working.
31602 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
31604         * doc/invoke.texi (Debugging Options): Fix description of
31605         -fno-merge-debug-strings.
31607 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
31609         * config/cris/libgcc.ver: New version-script.
31610         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
31612         * configure.ac <GAS features, nop mnemonic>: Add pattern
31613         crisv32-*-* for "nop".
31614         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
31615         * configure: Regenerate.
31617 2009-03-24  Ira Rosen  <irar@il.ibm.com>
31619         PR tree-optimization/39529
31620         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
31621         mark_sym_for_renaming for the tag copied to the new vector
31622         pointer.
31624 2009-03-24  Arthur Loiret  <aloiret@debian.org>
31626         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
31627         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
31628         EXTRA_SPEC_FUNCTIONS.
31629         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
31630         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
31631         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
31632         -march and -mtune options.
31634 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
31636         * config/m68k/t-rtems: Add m5329 multilib.
31638 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
31639             Jakub Jelinek  <jakub@redhat.com>
31641         PR debug/39524
31642         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
31643         nodes.
31645 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
31647         PR c/39495
31648         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
31649         instead of c_parser_expression_conv, if original_code isn't one of the
31650         4 allowed comparison codes, fail.
31652 2009-03-23  Richard Guenther  <rguenther@suse.de>
31654         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
31655         * tree.h (struct tree_type): Likewise.
31656         * reload.h (struct insn_chain): Likewise.
31657         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
31658         * function.h (struct function): Likewise.
31659         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
31661 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
31663         PR tree-optimization/39516
31664         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
31666 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
31668         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
31669         should be set true if BITS_PER_WORD of target is bigger than 32
31671 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
31673         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
31674         Translate -B-options to -rpath-link.  Correct existing
31675         rpath-link and conditionalize on !nostdlib.
31677 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
31679         * doc/extend.texi (Function Attributes, Variable Attributes):
31680         Fix typos.
31681         * doc/invoke.texi (Debugging Options, Optimize Options)
31682         (i386 and x86-64 Options, MCore Options): Likewise.
31684 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
31686         PR debug/37890
31687         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
31688         it for block local namespace aliases.
31689         (gen_decl_die): Pass context_die to gen_namespace_die.
31691 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
31693         PR c/39495
31694         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
31695         minimum or maximum value.
31697 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
31699         * reginfo.c (globalize_reg): Recompute derived reg sets.
31701 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
31703         PR target/39063
31704         * libgcc2.c (mprotect): Do not use signed arguments for
31705         VirtualProtect, use DWORD arguments.  Also fix the 'may
31706         be used uninitialized' warning for the np variable.
31708 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
31710         PR target/39496
31711         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
31712         functions using regparm calling conventions when not optimizing.
31713         (ix86_function_sseregparm): Similarly for sseregparm calling
31714         conventions.
31716 2009-03-19  Li Feng  <nemokingdom@gmail.com>
31718         PR middle-end/39500
31719         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
31720         dependence if the first conflict is after niter iterations.
31722 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
31724         PR middle-end/38609
31725         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
31726         functions with dynamic stack-pointer adjustments.
31728 2009-03-19  Ben Elliston  <bje@au.ibm.com>
31730         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
31731         option; change to -msdata=data.
31733 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
31735         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
31736         and -fopenmp.
31738 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
31740         PR target/35180
31741         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
31743 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
31745         * doc/invoke.texi (Code Gen Options): Expand discussion of
31746         -fno-common.
31748 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
31750         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
31751         * matrix-reorg.c (struct matrix_info): Likewise.
31752         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
31753         * rtl.h (struct mem_attrs): Likewise.
31754         * df.h (struct df): Likewise.
31755         * tree-data-ref.h (struct data_dependence_relation): Likewise.
31756         * ira-int.h (struct ira_allocno): Likewise.
31757         * df-scan.c (struct df_collection_rec): Likewise.
31758         * ira.c (struct equivalence): Likewise.
31759         * function.c (struct temp_slot): Likewise.
31760         * cfgloop.h (struct loop): Likewise.
31762         PR debug/39485
31763         * function.c (use_register_for_decl): When not optimizing, disregard
31764         register keyword for variables with types containing methods.
31766 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
31768         PR middle-end/39447
31769         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
31770         (is_simple_operand): Call contains_component_ref_p before calling data
31771         reference analysis that would fail on COMPONENT_REFs.
31773         * tree-vrp.c (search_for_addr_array): Fix formatting.
31775 2009-03-18  Richard Guenther  <rguenther@suse.de>
31777         * tree-vect-transform.c (vect_loop_versioning): Fold the
31778         generated comparisons.
31779         * tree-vectorizer.c (set_prologue_iterations): Likewise.
31780         (slpeel_tree_peel_loop_to_edge): Likewise.
31782 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
31784         PR middle-end/37805
31785         * opts.c (print_specific_help): In addition to `undocumented',
31786         accept `separate' and `joined' flags if passed alone.  Describe
31787         output by the first matched one of those.
31788         (common_handle_option): Skip over empty strings.
31789         * gcc.c (display_help): Fix help string for `--help='.
31790         * doc/invoke.texi (Option Summary, Overall Options): With
31791         `--help=', classes and qualifiers can both be repeated, but
31792         only the latter can be negated.  One should not pass only
31793         negated qualifiers.  Fix markup and examples.
31795         Revert
31796         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
31797         PR middle-end/37805
31798         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
31799         and -fhelp=separate.
31801 2009-03-17  Jing Yu  <jingyu@google.com>
31803         PR middle-end/39378
31804         * function.h (struct rtl_data): Move is_thunk from here...
31805         (struct function): ...to here.
31806         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
31807         * varasm.c (assemble_start_function): Change is_thunk from crtl to
31808         cfun.
31809         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
31810         cfun.
31811         (alpha_does_function_need_gp, alpha_start_function): Likewise.
31812         (alpha_output_function_end_prologue): Likewise.
31813         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
31814         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
31815         (rs6000_output_function_epilogue): Likewise.
31816         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
31818 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
31820         PR target/39482
31821         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
31822         from different units in a single alternative.
31823         (*truncdfsf_i387): Ditto.
31824         (*truncxfsf2_mixed): Ditto.
31825         (*truncxfdf2_mixed): Ditto.
31827 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
31829         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
31830         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
31832         PR debug/39474
31833         * tree-ssa-live.c (remove_unused_locals): Don't remove local
31834         unused non-artificial variables when not optimizing.
31836         PR debug/39471
31837         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
31838         DW_TAG_imported_module even if decl is IMPORTED_DECL with
31839         NAMESPACE_DECL in its DECL_INITIAL.
31841         PR middle-end/39443
31842         * optabs.c (set_user_assembler_libfunc): New function.
31843         * expr.h (set_user_assembler_libfunc): New prototype.
31844         * c-common.c: Include libfuncs.h.
31845         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
31846         for memcmp, memset, memcpy, memmove and abort.
31847         * Makefile.in (c-common.o): Depend on libfuncs.h.
31849         PR debug/39412
31850         * dwarf2out.c (gen_inlined_enumeration_type_die,
31851         gen_inlined_structure_type_die, gen_inlined_union_type_die,
31852         gen_tagged_type_instantiation_die): Removed.
31853         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
31854         do nothing.
31856 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
31858         PR testsuite/38526
31859         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
31860         its use.
31861         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
31862         (check-parallel-%): Ditto.
31863         (check-consistency): Ditto.
31865 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
31867         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
31868         local variable rhs by NULL_TREE.
31870 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
31872         PR target/39477
31873         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
31875 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
31877         PR target/39476
31878         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
31880 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
31882         PR target/39473
31883         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
31884         for ms->sysv ABI calls only in 64bit mode.
31886         * config/i386/i386.md (untyped_call): Support 32bit.
31888 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
31890         * doc/extend.texi: Replace x86_65 with x86_64.
31892 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
31894         PR tree-optimization/39455
31895         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
31896         mismatches for POINTER_TYPE_P (type).
31897         (number_of_iterations_le): Likewise.
31899 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
31901         * config/picochip/picochip.c: Removed profiling support.
31902         * config/picochip/picochip.md: Removed profiling instruction.
31903         * config/picochip/picochip.h: Removed profiling builtin.
31905 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
31907         * doc/install.texi (--with-host-libstdcxx): Document.
31909 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
31911         PR target/34299
31912         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
31913         generate a warning if the function name does not begin with
31914         "__vector" and the function has either the 'signal' or 'interrupt'
31915         attribute, from here to ...
31916         (avr_declare_function_name): ...here. New function.
31917         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
31918         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
31920 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
31922         PR bootstrap/39454
31923         * cse.c (fold_rtx): Don't modify original const_arg1 when
31924         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
31925         separate variable instead.
31926         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
31927         from out of range shift counts.
31928         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
31930 2009-03-13  Catherine Moore  <clm@codesourcery.com>
31932         * config/i386/x-mingw32 (host-mingw32.o): Replace
31933         diagnostic.h with $(DIAGNOSTIC_H).
31935 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
31937         PR target/39431
31938         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
31939         predicate.
31940         * config/i386/sync.md (sync_compare_and_swap<mode>,
31941         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
31942         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
31943         into a register.
31944         (sync_double_compare_and_swapdi_pic,
31945         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
31946         cmpxchg8b_pic_memory_operand instead of just memory_operand.
31948 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
31950         PR target/39445
31951         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
31953 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
31955         PR target/39327
31956         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
31957         (avx_addsubv4df3): Likewise.
31958         (*avx_addsubv4sf3): Likewise.
31959         (sse3_addsubv4sf3): Likewise.
31961 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
31963         PR target/38824
31964         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
31966 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
31968         PR debug/39432
31969         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
31970         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
31971         registers for allocnos created from user-defined variables.
31973 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
31975         PR target/39181
31976         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
31977         of non-integer mode as well.
31979 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
31981         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
31982         for functions for which the parameter types are unknown.
31984 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
31986         PR target/39137
31987         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
31988         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
31989         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
31990         * config/i386/i386.c (ix86_local_alignment): For
31991         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
31992         long long variables on the stack to avoid dynamic realignment.
31993         Allow the first argument to be a decl rather than type.
31994         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
31996 2009-03-11  Nick Clifton  <nickc@redhat.com>
31998         PR target/5362
31999         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
32000         options.
32001         Add description to mno-lsim option.
32002         * config/mcore/mcore.h: Remove comment about deprecated m4align
32003         option.
32004         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
32005         * doc/invoke.texi: Add description of mno-lsim and
32006         mstack-increment options.
32008         * config/fr30/fr30.opt: Document the -mno-lsim option.
32009         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
32010         and -mno-lsim options.
32012 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
32014         * fold-const.c (fold_comparison): Only call fold_inf_compare
32015         if the mode supports infinities.
32017 2009-03-11  Jason Merrill  <jason@redhat.com>
32019         PR debug/39086
32020         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
32021         end already did.  Notice GIMPLE_CALL modifications of the result.
32022         Don't copy debug information from an ignored decl or a decl from
32023         another function.
32025 2009-03-10  Richard Guenther  <rguenther@suse.de>
32026             Nathan Froyd  <froydnj@codesourcery.com>
32028         PR middle-end/37850
32029         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
32030         (__divMODE3): Likewise.
32032 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
32034         PR tree-optimization/39394
32035         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
32036         DECL_SIZE_UNIT of variable length FIELD_DECLs.
32038 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
32040         * recog.c (verfiy_changes): Disallow renaming of hard regs in
32041         inline asms for register asm ("") declarations.
32043 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
32045         * fold-const.c (fold_unary): Fix comment.
32047 2009-03-07  Jan Hubicka  <jh@suse.cz>
32049         PR target/39361
32050         * tree-inline.c (setup_one_parameter): Do replacement of const
32051         argument by constant in SSA form.
32053 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
32055         PR middle-end/38028
32056         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
32057         determine alignment passed to assign_stack_local.
32058         (assign_parms_unsplit_complex): Likewise.
32059         * except.c (sjlj_build_landing_pads): Likewise.
32061 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
32063         PR middle-end/39360
32064         * tree-flow.h (add_referenced_var): Return bool instead of void.
32065         * tree-dfa.c (add_referenced_var): Return result of
32066         referenced_var_check_and_insert call.
32067         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
32068         of referenced_var_check_and_insert.
32070         PR debug/39372
32071         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
32072         (gen_variable_die): Emit DW_AT_location on abstract static variable's
32073         DIE, don't emit it if abstract origin already has it.
32074         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
32075         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
32077 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
32079         * genpreds.c (needs_variable): Fix parentheses at variable name
32080         detection.
32081         (write_tm_constrs_h): Indent generated code.
32083 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
32085         * doc/extend.texi (Function Attributes): Add documentation
32086         for isr attributes.
32088 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
32090         PR debug/39387
32091         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
32092         take locus from its DECL_SOURCE_LOCATION instead of input_location.
32094 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
32096         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
32097         the loop as bad.
32099 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
32101         PR debug/39379
32102         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
32103         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
32105 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
32107         * config/i386/i386.md (R8_REG, R9_REG): New constants.
32108         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
32109         constants instead of magic numbers.
32110         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
32111         (QI_REG_P): Ditto.
32112         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
32113         (x86_64_ms_abi_int_parameter_registers): Ditto.
32114         (x86_64_int_return_registers): Ditto.
32115         (ix86_maybe_switch_abi): Ditto.
32116         (ix86_expand_call): Ditto for clobbered_registers array.
32117         (ix86_hard_regno_mode_ok): Ditto.
32118         (x86_extended_QIreg_mentioned_p): Ditto.
32120 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
32122         PR tree-optimization/39349
32123         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
32125         * combine.c (gen_lowpart_for_combine): Use omode when generating
32126         clobber.
32128 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
32130         PR rtl-optimization/39235
32131         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
32133 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
32135         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
32137 2009-03-04  Richard Guenther  <rguenther@suse.de>
32139         PR tree-optimization/39362
32140         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
32141         that occur in abnormal PHIs should be varying.
32143 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
32145         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
32146         Extend comments.
32147         (simple_iv):  Take loop as an argument instead of statement.
32148         * tree-scalar-evolution.h (simple_iv): Declaration changed.
32149         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
32150         to simple_iv.
32151         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
32152         Ditto.
32153         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
32154         * matrix-reorg.c (analyze_transpose): Ditto.
32155         * tree-data-ref.c (dr_analyze_innermost): Ditto.
32156         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
32157         * tree-predcom.c (ref_at_iteration): Ditto.
32158         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
32160 2009-03-04  Richard Guenther  <rguenther@suse.de>
32162         PR tree-optimization/39358
32163         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
32164         escaped_id and callused_id.
32165         (solve_graph): Likewise.
32167 2009-03-04  Richard Guenther  <rguenther@suse.de>
32169         PR tree-optimization/39339
32170         * tree-sra.c (try_instantiate_multiple_fields): Make it
32171         no longer ICE on the above.
32173 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
32175         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
32176         that fits within Pmode.
32178 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
32180         PR middle-end/10109
32181         * tm.texi (LIBCALL_VALUE): Update description.
32183 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
32185         PR middle-end/34443
32186         * doc/extend.texi (section): Update description.
32188 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
32190         PR middle-end/39345
32191         * tree-inline.c (remapped_type): New.
32192         (can_be_nonlocal): Call remapped_type instead of remap_type.
32194 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
32196         PR fortran/39354
32197         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
32198         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
32200 2009-03-03  Richard Guenther  <rguenther@suse.de>
32202         PR middle-end/39272
32203         * tree.c (tree_nonartificial_location): New function.
32204         * tree.h (tree_nonartificial_location): Declare.
32205         * builtins.c (expand_builtin_memory_chk): Provide location
32206         of the call location for artificial function pieces.
32207         (maybe_emit_chk_warning): Likewise.
32208         (maybe_emit_sprintf_chk_warning): Likewise.
32209         (maybe_emit_free_warning): Likewise.
32210         * expr.c (expand_expr_real_1): Likewise.
32212 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
32214         PR tree-optimization/39343
32215         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
32216         COMPONENT_REF t has ARRAY_TYPE.
32218 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
32220         PR middle-end/39335
32221         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
32222         when the type precision of the induction variable should be
32223         larger than the type precision of nit.
32224         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
32225         * graphite.c (graphite_loop_normal_form): Same.
32226         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
32228 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
32230         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
32231         (*call_1_rex64_ms_sysv): Use named constants instead of magic
32232         numbers to describe clobbered registers.
32233         (*call_value_0_rex64_ms_sysv): Ditto.
32234         * config/i386/mmx.md (mmx_emms): Ditto.
32235         (mmx_femms): Ditto.
32237 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
32239         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
32240         of ABI_64.
32242 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
32244         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
32245         (spu_section_type_flags): New function.
32247 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
32249         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
32250         reg_class_contents of FLOAT_REGS into a temporary.
32252 2009-03-02  Richard Guenther  <rguenther@suse.de>
32253             Ira Rosen  <irar@il.ibm.com>
32255         PR tree-optimization/39318
32256         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
32257         information to the vectorized statement.
32259 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
32261         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
32262         variable.  Use defined names instead of magic constants for REX SSE
32263         registers.
32265 2009-03-01  Richard Guenther  <rguenther@suse.de>
32267         PR tree-optimization/39331
32268         * omp-low.c (lower_send_shared_vars): Do not receive new
32269         values for the reference of DECL_BY_REFERENCE parms or results.
32271 2009-03-01  Jan Hubicka  <jh@suse.cz>
32273         PR debug/39267
32274         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
32275         BLOCK_NONLOCALIZED_VAR): New macros.
32276         (tree_block): Add nonlocalized_vars.
32277         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
32278         gen_decl_die): Add origin argument.  Allow generation of die with
32279         origin at hand only.
32280         (gen_member_die, gen_type_die_with_usage, force_decl_die,
32281         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
32282         of gen_*.
32283         (gen_block_die): Fix checking for unused blocks.
32284         (process_scope_var): Break out from .... ; work with origins only.
32285         (decls_for_scope) ... here; process nonlocalized list.
32286         (dwarf2out_ignore_block): Look for nonlocalized vars.
32287         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
32288         vars.
32289         (dump_scope_block): Dump them.
32290         * tree-inline.c (remap_decls): Handle nonlocalized vars.
32291         (remap_block): Likewise.
32292         (can_be_nonlocal): New predicate.
32293         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
32295 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
32297         * configure: Regenerate.
32299 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
32301         * optc-gen.awk: No need to duplicate option flags twice.
32302         Reuse help texts for duplicate options which do not have any.
32304         * gcc.c (display_help): Document --version.
32306         * gcc.c (main): If print_help_list and verbose_flag, ensure
32307         driver output comes before subprocess output.
32309         * optc-gen.awk: Assign all remaining fields to help string,
32310         space-separated, for multi-line help in *.opt.
32312         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
32313         -Wno-pedantic-ms-format is for MinGW targets only.
32315         * doc/options.texi (Option file format): Fix bad indentation,
32316         restoring dropped sentence.
32318 2009-02-28  Jan Hubicka  <jh@suse.cz>
32320         * tree-inline.c (tree_function_versioning): Output debug info.
32322 2009-02-28  Jan Hubicka  <jh@suse.cz>
32324         PR debug/39267
32325         * tree-inline.c (setup_one_parameter): Do not copy propagate
32326         arguments when not optimizing.
32328 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
32330         PR target/39327
32331         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
32332         (avx_addsubv4df3): Likewise.
32333         (*avx_addsubv4sf3): Likewise.
32334         (sse3_addsubv4sf3): Likewise.
32335         (*avx_addsubv2df3): Likewise.
32336         (sse3_addsubv2df3): Likewise.
32337         (avx_unpckhps256): Correct item selectors.
32338         (avx_unpcklps256): Likewise.
32339         (avx_unpckhpd256): Likewise.
32340         (avx_unpcklpd256): Likewise.
32342 2009-02-28  Jan Hubicka  <jh@suse.cz>
32344         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
32345         static vars.
32346         (copy_arguments_for_versioning): If var is declared don't declare it.
32347         (tree_function_versioning): First setup substitutions and then copy
32348         args.
32350 2009-02-27  Jan Hubicka  <jh@suse.cz>
32352         PR debug/39267
32353         * cgraph.h (varpool_output_debug_info): Remove.
32354         * cgraphunit.c (varpool_output_debug_info): Remove.
32355         * dwarf2out.c (deferred_locations_struct): New struct
32356         (deferred_locations): New type.
32357         (deferred_locations_list): New static var.
32358         (deffer_location): New function.
32359         (gen_variable_die): Use it.
32360         (decls_for_scope): Output info on local static vars.
32361         (dwarf2out_finish): Process deferred locations.
32362         * varpool.c (varpool_output_debug_info): Remove.
32364 2009-02-27  Jan Hubicka  <jh@suse.cz>
32366         PR debug/39267
32367         * tree.h (TREE_PROTECTED): Fix comment.
32368         (BLOCK_HANDLER_BLOCK): Remove.
32369         (struct tree_block): Remove handler_block add body_block.
32370         (inlined_function_outer_scope_p): New.
32371         (is_body_block): Remove.
32372         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
32373         * dwarf2out.c (is_inlined_entry_point): Remove.
32374         (add_high_low_attributes): Use inlined_function_outer_scope_p.
32375         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
32376         code.
32377         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
32378         * gimplify.c (gimplify_expr): Gimplify body blocks.
32379         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
32380         block with multiple subblocks.
32381         (dump_scope_block): Prettier output; dump more flags and info.
32382         (dump_scope_blocks): New.
32383         (remove_unused_locals): Use dump_scope_blocks.
32384         * tree-flow.h (dump_scope_blocks): Declare.
32385         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
32386         * stmt.c (is_body_block): Remove.
32387         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
32388         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
32390 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
32392         PR middle-end/39308
32393         * graphite.c (graphite_loop_normal_form): Do not call
32394         number_of_iterations_exit from a gcc_assert.
32396 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
32398         * config/s390/s390.c (s390_swap_cmp): Look for conditional
32399         jumps if COND is NULL.
32400         (find_cond_jump): New function.
32401         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
32402         * config/s390/s390.md: Remove z10_cobra attribute value.
32404 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
32406         * config/alpha/alpha.h (alpha_expand_mov): Return false if
32407         force_const_mem returns NULL_RTX.
32409 2009-02-26  Jan Hubicka  <jh@suse.cz>
32411         PR debug/39267
32412         * cgraph.h (varpool_output_debug_info): Remove.
32413         * cgraphunit.c (varpool_output_debug_info): Remove.
32414         * dwarf2out.c (deferred_locations_struct): New struct
32415         (deferred_locations): New type.
32416         (deferred_locations_list): New static var.
32417         (deffer_location): New function.
32418         (gen_variable_die): Use it.
32419         (decls_for_scope): Output info on local static vars.
32420         (dwarf2out_finish): Process deferred locations.
32421         * varpool.c (varpool_output_debug_info): Remove.
32423 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
32425         PR rtl-optimization/39241
32426         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
32427         to subreg_offset_representable_p.
32429 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
32431         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
32432         execute function prototype.  Get f and nregs from max_reg_num
32433         and get_insns.  Remove the first backward pass as it's dead,
32434         guard the forward pass by flag_expensive_optimizations.
32435         (rest_of_handle_regmove): Delete.
32436         (pass_regmove): Replace it with regmove_optimize.
32438 2009-02-25  Martin Jambor  <mjambor@suse.cz>
32440         PR tree-optimization/39259
32441         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
32442         calls_alloca function flags.
32443         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
32444         calls are detected.
32446 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
32448         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
32449         flags_set_1_rtx, flags_set_1_set): Delete.
32450         (regmove_optimize): Do not call mark_flags_life_zones.
32452 2009-02-24  Julian Brown  <julian@codesourcery.com>
32454         PR target/35965
32455         * config/arm/arm.c (require_pic_register): Only set
32456         cfun->machine->pic_reg once per function.
32458 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
32460         * doc/invoke.texi (Link Options): Document an easier way to pass
32461         options that take arguments to the GNU linker using -Xlinker and -Wl.
32463 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
32465         PR target/33785
32466         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
32468 2009-02-24  Richard Guenther  <rguenther@suse.de>
32470         PR debug/39285
32471         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
32473 2009-02-24  Richard Guenther  <rguenther@suse.de>
32474             Zdenek Dvorak  <ook@ucw.cz>
32476         PR tree-optimization/39233
32477         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
32478         from converting them to a generic type.
32480 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
32482         PR tree-optimization/39260
32483         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
32484         contains a condition with a real type.
32485         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
32487 2009-02-23  Jason Merrill  <jason@redhat.com>
32489         PR c++/38880
32490         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
32491         narrowing_initializer_constant_valid_p.
32492         (narrowing_initializer_constant_valid_p): Don't return
32493         null_pointer_node for adding a pointer to itself.
32495 2009-02-23  Jan Hubicka  <jh@suse.cz>
32497         PR c/12245
32498         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
32499         resizing.
32501 2009-02-23  Jan Hubicka  <jh@suse.cz>
32503         PR tree-optimization/37709
32504         * tree.c (block_ultimate_origin): Move here from dwarf2out.
32505         * tree.h (block_ultimate_origin): Declare.
32506         * dwarf2out.c (block_ultimate_origin): Move to tree.c
32507         * tree-ssa-live.c (remove_unused_scope_block_p):
32508         Eliminate blocks containig no instructions nor live variables nor
32509         nested blocks.
32510         (dump_scope_block): New function.
32511         (remove_unused_locals): Enable removal of dead blocks by default;
32512         enable dumping at TDF_DETAILS.
32514 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
32516         * config/i386/i386.c (classify_argument): Don't allow COImode
32517         and OImode.
32518         (function_arg_advance_32): Don't allow OImode.
32519         (function_arg_32): Likewise.
32520         (function_value_32): Likewise.
32521         (return_in_memory_32): Likewise.
32522         (function_arg_64): Remove OImode comment.
32524 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
32526         PR target/39261
32527         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
32528         ix86_expand_vector_set for V4DImode in 64bit mode only.
32529         (ix86_expand_vector_init_one_var): Likewise.
32531 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
32533         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
32535 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
32537         PR bootstrap/39257
32538         * loop-iv.c: Revert last change.
32539         * emit-rtl.c: Likewise.
32541 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
32543         PR target/39256
32544         * config/i386/i386.c (type_natural_mode): Remove an extra
32545         space in the warning message.
32546         (function_value_32): Handle 32-byte vector modes.
32547         (return_in_memory_32): Likewise.
32549 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
32551         * loop-iv.c (truncate_value): New function.
32552         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
32553         of lowpart_subreg.
32554         (lowpart_subreg): Move to...
32555         * emit-rtl.c: ...here.
32557 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
32559         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
32560         accidental and undocumented change at revision 140860.
32562 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
32564         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
32565         take gimple_seq * arguments.
32566         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
32567         types_compatible_p langhook.
32569 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
32570             Joseph Myers  <joseph@codesourcery.com>
32572         * config/arm/arm.c (arm_builtin_va_list): New function.
32573         (arm_expand_builtin_va_start): Likewise.
32574         (arm_gimplify_va_arg_expr): Likewise.
32575         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
32576         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
32577         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
32578         (va_list_type): New variable.
32579         (arm_mangle_type): Mangle va_list_type appropriately.
32581 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
32583         PR middle-end/39157
32584         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
32585         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
32586         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
32587         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
32588         parameter to 1000 for -O1 by default.
32589         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
32590         parameter.
32591         * loop-invariant.c: Include params.h.
32592         (move_loop_invariants): Don't call move_single_loop_invariants on
32593         very large loops.
32595 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
32597         * calls.c (emit_library_call_value_1): Use slot_offset instead of
32598         offset when calculating bounds for indexing stack_usage_map.  Fixes
32599         a buffer overflow with certain target setups.
32601 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
32603         PR target/39240
32604         * calls.c (expand_call): Clear try_tail_call if caller and callee
32605         disagree in promotion of function return value.
32607 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
32609         PR target/39175
32610         * c-common.c (c_determine_visibility): If visibility changed and
32611         DECL_RTL has been already set, call make_decl_rtl to update symbol
32612         flags.
32614 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
32616         PR c++/39188
32617         * varasm.c (assemble_variable): Don't check DECL_NAME when
32618         globalizing a variable.
32620 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
32622         PR c/38483
32623         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
32624         expression before any __builtin_trap call.
32625         * c-typeck.c (build_function_call): Convert and check function
32626         arguments before generating a call to a trap.  Evaluate the
32627         function arguments before the trap.
32629 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
32631         PR target/39228
32632         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
32633         (UNSPEC_FXAM_MEM): New unspec.
32634         (fxam<mode>2_i387_with_temp): New insn and split pattern.
32635         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
32636         memory using fxam<mode>2_i387_with_temp to remove excess precision.
32638 2009-02-19  Richard Guenther  <rguenther@suse.de>
32640         PR tree-optimization/39207
32641         PR tree-optimization/39074
32642         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
32643         storedanything_tree): New.
32644         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
32645         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
32646         (build_succ_graph): Add edges from STOREDANYTHING to all
32647         non-direct nodes.
32648         (init_base_vars): Initialize STOREDANYTHING.
32649         (compute_points_to_sets): Free substitution info after
32650         building the succ graph.
32651         (ipa_pta_execute): Likewise.
32653         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
32654         field.
32655         (do_ds_constraint): Do not add to special var or non-pointer
32656         field solutions.
32657         (type_could_have_pointers): Split out from ...
32658         (could_have_pointers): ... here.  For arrays use the element type.
32659         (create_variable_info_for): Initialize may_have_pointers.
32660         (new_var_info): Likewise.
32661         (handle_lhs_call): Make the HEAP variable unknown-sized.
32662         (intra_create_variable_infos): Use a type with pointers for
32663         PARM_NOALIAS, make it unknown-sized.
32665 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
32667         PR target/39224
32668         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
32670 2009-02-18  Jason Merrill  <jason@redhat.com>
32672         PR target/39179
32673         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
32674         value if DECL_EXTERNAL.
32675         * tree-sra.c (sra_walk_gimple_assign): Likewise.
32676         * target.h (gcc_target::binds_local_p): Clarify "module".
32677         * tree.h (TREE_PUBLIC): Clarify "module".
32679 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
32681         PR target/38891
32682         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
32683         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
32685 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
32687         PR target/39082
32688         * c.opt (Wabi): Support C and ObjC.
32689         (Wpsabi): New.
32691         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
32693         * config/i386/i386.c (classify_argument): Warn once about the ABI
32694         change when passing union with long double.
32696         * doc/invoke.texi: Update -Wabi for warning psABI changes.
32698 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
32700         PR c/35447
32701         * c-parser.c (c_parser_compound_statement): Always enter and leave
32702         a scope.
32704 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
32706         PR target/34587
32707         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
32709 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
32711         PR tree-optimization/36922
32712         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
32713         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
32714         Likewise.
32716 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
32718         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
32719         to 0 for EABI64.
32721 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
32723         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
32725 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
32727         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
32728         tree sharing.
32730 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
32731             Richard Sandiford  <rdsandiford@googlemail.com>
32733         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
32734         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
32735         (loongson_biadd): ...this.
32737 2009-02-17  Richard Guenther  <rguenther@suse.de>
32739         PR tree-optimization/39202
32740         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
32741         a var make sure to follow existing collapses.
32743 2009-02-17  Richard Guenther  <rguenther@suse.de>
32745         PR middle-end/39214
32746         * langhooks.c (lhd_print_error_function): Check for NULL block.
32748 2009-02-17  Richard Guenther  <rguenther@suse.de>
32750         PR tree-optimization/39204
32751         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
32752         of the PHI arg.
32754 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
32756         * config/soft-fp/double.h: Update from glibc CVS.
32758 2009-02-17  Richard Guenther  <rguenther@suse.de>
32760         PR tree-optimization/39207
32761         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
32762         strict-aliasing warnings for pointers pointing to NULL.
32764 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
32766         PR c/35446
32767         * c-parser.c (c_parser_braced_init): Call pop_init_level when
32768         skipping until next close brace.
32770 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
32772         PR target/37049
32773         * config/i386/i386.c (ix86_expand_push): Set memory alignment
32774         to function argument boundary.
32776 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
32778         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
32779         in the lea_add. Reload eventually constraints it properly.
32780         * config/picochip/constraints.md: Remove the target constraint
32781         "b", since it is not needed anymore.
32783 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
32785         * gthr-dce.h: Uglify function parameter and local variable names.
32786         * gthr-gnat.h: Likewise.
32787         * gthr-mipssde.h: Likewise.
32788         * gthr-nks.h: Likewise.
32789         * gthr-posix95.h: Likewise.
32790         * gthr-posix.h: Likewise.
32791         * gthr-rtems.h: Likewise.
32792         * gthr-single.h: Likewise.
32793         * gthr-solaris.h: Likewise.
32794         * gthr-tpf.h: Likewise.
32795         * gthr-vxworks.h: Likewise.
32796         * gthr-win32.h: Likewise.
32798 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
32800         PR target/39196
32801         * config/i386/i386.md: Restrict the new peephole2 to move
32802         between MMX/SSE registers.
32804 2009-02-15  Richard Guenther  <rguenther@suse.de>
32806         Revert
32807         2009-02-13  Richard Guenther  <rguenther@suse.de>
32809         * configure.ac: Enable LFS.
32810         * configure: Re-generate.
32811         * config.in: Likewise.
32813 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
32815         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
32816         spu_srqwbyte, spu_srqwbytebc): Define.
32817         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
32818         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
32819         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
32820         "shrqby_<mode>"): New insn-and-split patterns.
32821         * config/spu/spu.c (expand_builtin_args): Determine and return
32822         number of operands using spu_builtin_description data.
32823         (spu_expand_builtin_1): Use it.
32825 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
32827         PR target/38056
32828         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
32829         TARGET_CONST_GP.
32831 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
32833         PR target/39149
32834         * config/i386/i386.c (override_options): Correct warning
32835         messages for -malign-loops, -malign-jumps and -malign-functions.
32837 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
32839         PR target/39152
32840         * config/i386/i386.md: Restrict the new peephole2 to move
32841         between the general purpose registers.
32843 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
32845         PR target/39162
32846         * config/i386/i386.c (type_natural_mode): Add a new argument.
32847         Return the original mode and warn ABI change if vector size is 32byte.
32848         (function_arg_advance): Updated.
32849         (function_arg): Likewise.
32850         (ix86_function_value): Likewise.
32851         (ix86_return_in_memory): Likewise.
32852         (ix86_sol10_return_in_memory): Likewise.
32853         (ix86_gimplify_va_arg): Likewise.
32854         (function_arg_32): Don't warn ABX ABI change here.
32855         (function_arg_64): Likewise.
32857 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
32859         * loop-iv.c (implies_p): In the final case, test that operands 0
32860         of the two comparisons match.
32862         * config/bfin/bfin.c (find_prev_insn_start): New function.
32863         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
32864         (find_next_insn_start): Move.
32866 2009-02-13  Richard Guenther  <rguenther@suse.de>
32868         * configure.ac: Enable LFS.
32869         * configure: Re-generate.
32870         * config.in: Likewise.
32872 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
32874         PR c/35444
32875         * c-parser.c (c_parser_parms_list_declarator): Discard pending
32876         sizes on syntax error after some arguments have been parsed.
32878 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
32880         * doc/invoke.texi (-fira): Remove.
32882 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
32884         * caller-save.c: Replace regclass.c with reginfo.c in comments.
32885         * recog.c: Likewise.
32886         * rtl.h: Likewise.
32888 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
32890         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
32891         (umul_ppmm): Likewise.
32892         (count_leading_zeros): Likewise.
32893         (count_trailing_zeros): Likewise.
32894         (UMUL_TIME): Likewise.
32896 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
32898         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
32899         soft-fp/t-softfp to tmake_file.
32901         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
32902         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
32903         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
32904         IA64_BUILTIN_INFQ]: New.
32905         (ia64_init_builtins): Initialize __builtin_infq,
32906         __builtin_fabsq and __builtin_copysignq if not HPUX.
32907         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
32908         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
32910         * config/ia64/lib1funcs.asm (__divtf3): Define only if
32911         SHARED is defined.
32912         (__fixtfti): Likewise.
32913         (__fixunstfti): Likewise.
32914         (__floattitf): Likewise.
32916         * config/ia64/libgcc-glibc.ver: New.
32917         * config/ia64/t-fprules-softfp: Likewise.
32918         * config/ia64/sfp-machine.h: Likewise.
32920         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
32921         (LIBGCC2_TF_CEXT): Likewise.
32922         (TF_SIZE): Likewise.
32923         (TARGET_INIT_LIBFUNCS): Likewise.
32925         * config/ia64/t-glibc (SHLINB_MAPFILES):
32926         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
32928 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
32930         * config/i386/i386.c (construct_container): Rewrite processing
32931         BLKmode with X86_64_SSE_CLASS.
32933 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
32935         PR target/39152
32936         * config/i386/i386.md: Replace simplify_replace_rtx with
32937         replace_rtx in the new peephole2.
32939 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
32941         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
32942         loop unrolling do not happen at -O2.
32944 2009-02-12  Michael Matz  <matz@suse.de>
32946         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
32948 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
32950         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
32951         for -g3.
32953 2009-02-12  Ben Elliston  <bje@au.ibm.com>
32955         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
32956         patterns when updating the back chain.  Missed in the 2009-02-10
32957         change.
32959 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
32961         * doc/extend.texi (Decimal Floating Types): Update identifier of
32962         draft TR and list of missing support.
32964 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
32966         PR middle-end/39154
32967         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
32968         bit to variable length decl's flags, add it also to its
32969         pointer replacement variable.
32971 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
32972             Jakub Jelinek  <jakub@redhat.com>
32974         PR target/39118
32975         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
32976         (memory_blockage): New expander.
32977         (*memory_blockage): New insn pattern.
32978         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
32979         instead of general blockage at the end of function prologue when
32980         frame pointer is used to access red zone area.  Do not emit blockage
32981         when profiling, it is emitted in generic code.
32982         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
32983         function epilogue when frame pointer is used to access red zone area.
32985 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
32987         PR target/38824
32988         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
32989         by arithmetic with memory operands.
32990         * config/i386/predicates.md (commutative_operator): New.
32992 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
32994         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
32995         bulleted lists.
32997 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
32999         * alias.h (record_alias_subset): Declare.
33000         * alias.c (record_alias_subset): Make global.
33002 2009-02-10  Nick Clifton  <nickc@redhat.com>
33004         * tree-parloops.c: Change license to GPLv3.
33005         * ipa-struct-reorg.c: Change license to GPLv3.
33006         * ipa-struct-reorg.h: Change license to GPLv3.
33008 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
33010         PR c/39084
33011         * c-decl.c (start_struct): Return NULL on error.
33013 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
33015         PR middle-end/39124
33016         * cfgloopmanip.c (remove_path): Call remove_bbs after
33017         cancel_loop_tree, not before it.
33019         PR target/39139
33020         * function.h (struct function): Add has_local_explicit_reg_vars bit.
33021         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
33022         VAR_DECLs were seen.
33023         * tree-ssa-live.c (remove_unused_locals): Recompute
33024         cfun->has_local_explicit_reg_vars.
33025         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
33026         copies or clearings if cfun->has_local_explicit_reg_vars.
33028 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
33030         PR target/39118
33031         * config/i386/i386.c (expand_prologue): Emit blockage at the end
33032         of function prologue when frame pointer is used to access
33033         red zone area.
33035 2009-02-10  Richard Guenther  <rguenther@suse.de>
33037         PR middle-end/39127
33038         * gimplify.c (gimple_regimplify_operands): Always look if
33039         we need to create a temporary.
33041 2009-02-10  Richard Guenther  <rguenther@suse.de>
33043         PR tree-optimization/39132
33044         * tree-loop-distribution.c (todo): New global var.
33045         (generate_memset_zero): Trigger TODO_rebuild_alias.
33046         (tree_loop_distribution): Return todo.
33048 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
33050         PR target/39119
33051         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
33052         (x86_64_reg_class_name): Removed.
33053         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
33054         first one isn't X86_64_SSE_CLASS or any other ones aren't
33055         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
33056         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
33057         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
33058         and 3 X86_64_SSEUP_CLASS.
33059         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
33060         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
33062 2009-02-10  Ben Elliston  <bje@au.ibm.com>
33064         * config/rs6000/rs6000.md (allocate_stack): Always use an update
33065         form instruction to update the stack back chain word, even if the
33066         user has disabled the generation of update instructions.
33067         (movdi_<mode>_update_stack): New.
33068         (movsi_update_stack): Likewise.
33069         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
33070         always use an update form instruction to update the stack back
33071         chain word.
33073 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
33075         PR middle-end/38953
33076         * graphite.c (if_region_set_false_region): After moving a region in
33077         the false branch of a condition, remove the empty dummy basic block.
33078         (gloog): Remove wrong fix for PR38953.
33080 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
33082         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
33083         generation due to implicit sign extension.
33085 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
33087         PR middle-end/38981
33088         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
33089         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
33091 2009-02-09  Richard Guenther  <rguenther@suse.de>
33093         PR middle-end/35202
33094         * convert.c (convert_to_real): Disable (float)fn((double)x)
33095         to fnf(x) conversion if errno differences may occur and
33096         -fmath-errno is set.
33098 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
33100         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
33101         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
33102         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
33104 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
33106         PR c/35434
33107         * c-common.c (handle_alias_attribute): Disallow attribute for
33108         anything not a FUNCTION_DECL or VAR_DECL.
33110 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
33112         PR c/39035
33113         * real.c (do_compare): Special-case compare of zero against
33114         decimal float value.
33116 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
33118         PR c/36432
33119         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
33120         as indicating flexible array members unless the field itself is
33121         being declarared as the incomplete array.
33123 2009-02-06  Jan Hubicka  <jh@suse.cz>
33125         PR tree-optimization/38844
33126         * ipa-inline.c (try_inline): Stop inlining recursion when edge
33127         is already inlined.
33129 2009-02-06  Richard Guenther  <rguenther@suse.de>
33131         PR middle-end/38977
33132         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
33133         fork because we may expand it as __gcov_fork.
33135 2009-02-06  Nick Clifton  <nickc@redhat.com>
33137         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
33139 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
33141         PR tree-optimization/35659
33142         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
33143         vn_phi_eq): Shortcut if hashcode does not match.
33144         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
33145         NULL operands.
33146         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
33147         and avoid iterative_hash_expr.
33148         (FOR_EACH_VALUE_ID_IN_SET): New.
33149         (value_id_compare): Remove.
33150         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
33151         sort expressions by value id.
33153 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
33155         PR target/38991
33156         * config/sh/predicates.md (general_movsrc_operand): Don't check
33157         the subreg of system registers here.
33159 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
33161         PR c++/39106
33162         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
33163         on the copied decl.
33165 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
33167         PR rtl-optimization/39110
33168         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
33169         addresses, not aligned ones.
33171 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
33172             Richard Guenther  <rguenther@suse.de>
33174         PR tree-optimization/39100
33175         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
33176         comment says and add edges.
33178 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
33180         PR c/35435
33181         * c-common.c (handle_tls_model_attribute): Ignore attribute for
33182         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
33184 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
33186         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
33187         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
33188         register_bb_in_sese, new_sese, free_sese): Moved.
33189         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
33190         outermost_loop_in_scop, build_scop_iteration_domain,
33191         expand_scalar_variables_ssa_name, get_vdef_before_scop,
33192         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
33193         Use loop_in_sese_p instead of loop_in_scop_p.
33194         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
33195         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
33196         (scopdet_basic_block_info): Fix bug in scop detection.
33197         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
33198         eq_loop_to_cloog_loop): Remove.
33199         (nb_loops_around_loop_in_scop, nb_loop
33200         ref_nb_loops): Moved here...
33201         * graphite.h (ref_nb_loops): ... from here.
33202         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
33203         (loop_domain_dim, loop_iteration_vector_dim): Remove.
33204         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
33206 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
33207             Hans-Peter Nilsson  <hp@axis.com>
33209         PR rtl-optimization/37889
33210         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
33211         Move offset handling from PLUS to before the switch.  Use new
33212         arguments when considering SYMBOL_REFs too.
33213         (rtx_addr_can_trap_p): Pass dummy offset and size.
33214         (enum may_trap_p_flags): Remove.
33215         (may_trap_p_1): Pass size from MEM_SIZE.
33217         PR rtl-optimization/38921
33218         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
33219         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
33220         * rtlanal.c (may_trap_after_code_motion_p): Delete.
33221         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
33223 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
33225         AVX Programming Reference (January, 2009)
33226         * config/i386/sse.md (*vpclmulqdq): New.
33228 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
33230         PR tree-optimization/38977
33231         PR gcov-profile/38292
33232         * calls.c (special_function_p): Disregard __builtin_ prefix.
33234 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
33236         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
33237         non-indexable addresses even before reload.
33239 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
33241         PR c/29129
33242         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
33243         as having variable size.  Do not give an error for unnamed
33244         parameters with [*] declarators.  Give a warning for type names
33245         with [*] declarators and mark them as variable size.
33246         * c-parser.c (c_parser_sizeof_expression): Do not give an error
33247         for sizeof applied to [*] type names.
33249 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
33251         PR C++/36607
33252         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
33254 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
33256         * gcc.c (process_command): Update copyright notice dates.
33257         * gcov.c (print_version): Likewise.
33258         * gcov-dump.c (print_version): Likewise.
33259         * mips-tfile.c (main): Likewise.
33260         * mips-tdump.c (main): Likewise.
33262 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
33264         PR c/35433
33265         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
33266         for composite type involving a zero-length array type.
33268 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
33270         PR target/35318
33271         * function.c (match_asm_constraints_1): Skip over
33272         initial optional % in the constraint.
33274         PR inline-asm/39059
33275         * c-parser.c (c_parser_postfix_expression): If fixed point is not
33276         supported, don't accept FIXED_CSTs.
33277         * c-decl.c (finish_declspecs): Error if fixed point is not supported
33278         and _Sat is used without _Fract/_Accum.  Set specs->type to
33279         integer_type_node for cts_fract/cts_accum if fixed point is not
33280         supported.
33282 2009-02-02  Catherine Moore  <clm@codesourcery.com>
33284         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
33286 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
33288         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
33289         (ABI_HAS_64BIT_SYMBOLS): Use it.
33290         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
33292 2009-02-02  Paul Brook  <paul@codesourcery.com>
33294         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
33296 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
33298         PR inline-asm/39058
33299         * recog.h (asm_operand_ok): Add constraints argument.
33300         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
33301         recurse on matching constraint.
33302         (check_asm_operands): Pass constraints as 3rd argument to
33303         asm_operand_ok.  Don't look up matching constraint here.
33304         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
33305         to asm_operand_ok.
33307 2009-02-02  Ben Elliston  <bje@au.ibm.com>
33309         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
33310         TARGET_NARROW_VOLATILE_BITFIELD macro names.
33312 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
33314         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
33315         information.  Remove some obsolete information.  Reorganize.
33317         * config/pa/fptr.c: Revert license to GPL 2.
33318         * config/pa/milli64.S: Likewise.
33320 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
33322         PR target/38904
33323         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
33324         LIBRARY name in, instead of hard-coding it.
33325         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
33326         extra target make frag to tmake_files according to EH model.
33327         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
33328         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
33329         frags that define makefile variable EH_MODEL appropriately.
33330         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
33331         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
33332         to "-sjlj" according to type of EH configured.
33333         (LIBGCC_SONAME):  Concatenate it to shared library base name.
33334         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
33335         to "_sjlj" according to type of EH configured.
33336         (LIBGCC_SONAME):  Concatenate it to shared library base name.
33337         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
33338         (SHLIB_LINK):  Add missing semicolon to if-else construct.
33339         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
33340         string value of "pe_dll" command-line option.
33341         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
33342         (SHLIB_SONAME):  Use it when overriding t-cygming default.
33343         (SHLIB_IMPLIB):  Override t-cygming default.
33344         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
33345         string value of "pe_dll" command-line option.
33347 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
33349         PR target/38952
33350         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
33351         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
33353 2009-01-31  Richard Guenther  <rguenther@suse.de>
33355         PR tree-optimization/38937
33356         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
33357         computing the transitive closure.
33359 2009-01-30  Richard Guenther  <rguenther@suse.de>
33361         PR tree-optimization/39041
33362         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
33363         Propagate variable indices only if the types match for this stmt.
33365 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
33367         PR target/39013
33368         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
33369         inline but never defined.
33371 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
33373         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
33374         (*insv_h_di_reg_extimm): New insn.
33375         (*insv_l<mode>_reg_extimm): New insn.
33377 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
33379         * config/picochip/picochip.c (flag_conserve_stack): set
33380         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
33381         fconserve-stack. Reduce call-overhead used by inliner.
33383 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
33385         PR/38157
33386         * common.opt (flag_conserve_stack): Initialised to zero.
33388 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
33390         PR/39002
33391         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
33392         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
33393         method.
33395 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
33397         * ira-color.c (allocno_reload_assign): Update comments.
33398         * regmove.c (regmove_optimize): Likewise.
33400         * ra.h: Removed.
33402 2009-01-29  Robert Millan  <rmh@aybabtu.com>
33404         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
33405         * config/i386/kopensolaris-gnu.h: New file.  Undefine
33406         `MD_UNWIND_SUPPORT'.
33407         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
33409 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
33411         PR tree-optimization/39007
33412         * tree-loop-distribution.c (generate_builtin): Use
33413         recompute_dominator to compute the immediate dominator of the
33414         basic block just after the loop.
33416 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
33418         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
33419         (ASM_OUTPUT_DWARF_PCREL): Define.
33421 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
33423         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
33424         * doc/passes.texi: Remove entries about regclass, local-alloc, and
33425         global.  Modify entries about regmove and IRA.
33427         * ra-conflict.c: Remove the file.
33429         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
33431         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
33432         (pass_regclass_init): Rename to pass_reginfo_init.
33434         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
33436         * toplev.h (flag_ira): Remove.
33438         * caller-save.c (setup_save_areas): Remove flag_ira.
33440         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
33442         * global.c: Remove the file.
33444         * opts.c (decode_options): Remove flag_ira.
33446         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
33448         * regmove.c: Modify file description.
33449         (find_use_as_address, try_auto_increment): Define them only if
33450         AUTO_INC_DEC is defined.
33451         (replacement_quality, replace_in_call_usage, fixup_match_1,
33452         stable_and_no_regs_but_for_p): Remove.
33453         (reg_set_in_bb): Make it static.
33454         (regmove_optimize): Remove flag_ira and code which worked for
33455         !flag_ira.
33457         * local-alloc.c: Remove the file.
33459         * common.opt (fira): Remove.
33461         * ira.c: Include except.h.
33462         (eliminable_regset): Move from global.c.
33463         (mark_elimination): Ditto.  Remove flag_ira.
33464         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
33465         equiv_mem_modified, validate_equiv_mem_from_store,
33466         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
33467         contains_replace_regs, memref_referenced_p, memref_used_between_p,
33468         no_equiv, recorded_label_ref): Move from local-alloc.c.
33469         (update_equiv_regs): Ditto.  Make it static.
33470         (print_insn_chain, print_insn_chains): Move it from global.c.
33471         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
33472         (build_insn_chain): Ditto.  Make it static.
33473         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
33474         Rename to init_live_subregs.
33475         (gate_ira): Remove flag_ira.
33477         * regclass.c: Rename reginfo.c.  Change file description.
33478         (FORBIDDEN_INC_DEC_CLASSES): Remove.
33479         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
33480         (init_reg_sets_1): Remove code for evaluation of
33481         reg_class_superclasses and losing_caller_save_reg_set.
33482         (init_regs): Remove init_reg_autoinc.
33483         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
33484         ok_for_base_p_nonstrict): Remove.
33485         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
33486         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
33487         corresponding entries.
33488         (dump_regclass, record_operand_costs, scan_one_insn,
33489         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
33490         record_address_regs, auto_inc_dec_reg_p): Remove.
33491         (gt-regclass.h): Rename to gt-reginfo.h.
33493         * rtl.h (dump_global_regs, retry_global_alloc,
33494         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
33496         * Makefile.in (RA_H): Remove.
33497         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
33498         Rename regclass.o to reginfo.o.
33499         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
33500         gt-reginfo.h.
33501         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
33502         (GTFILES): Rename regclass.c to reginfo.c.
33504         * passes.c (init_optimization_passes): Remove pass_local_alloc and
33505         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
33507         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
33508         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
33509         Remove flag_ira.
33510         (finish_spills): Ditto.  Remove code for !flag_ira.
33512 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
33514         PR middle-end/35854
33515         * doc/invoke.texi (rtl debug options): Complete rewrite.
33516         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
33517         to auto_inc_dec".
33518         * mode-switching.c (pass_mode_switching): Rename pass from
33519         "mode-sw" to "mode_sw".
33520         * except.c (pass_convert_to_eh_ranges): Rename pass from
33521         "eh-ranges" to "eh_ranges".
33522         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
33523         to "subreg1".
33526 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
33527             Alexander Monakov  <amonakov@ispras.ru>
33529         PR middle-end/38857
33530         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
33531         register.
33532         (move_exprs_to_boundary): Change return type and pass through
33533         should_move from move_op.  Relax assert.  Update usage ...
33534         (schedule_expr_on_boundary): ... here.  Use should_move instead of
33535         cant_move.
33536         (move_op_orig_expr_found): Indicate that insn was disconnected from
33537         stream.
33538         (code_motion_process_successors): Do not call after_merge_succs
33539         callback if original expression was not found when traversing any of
33540         the branches.
33541         (code_motion_path_driver): Change return type.  Update prototype.
33542         (move_op): Update comment.  Add a new parameter (should_move).  Update
33543         prototype.  Set *should_move based on indication provided by
33544         move_op_orig_expr_found.
33546 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
33548         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
33549         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
33550         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
33551         * config/rs6000/rs6000.c (rs6000_override_options): Default
33552         avoid-indexed-addresses on for Power6, off for everything else.
33553         (avoiding_indexed_address_p): New function.
33554         (rs6000_legitimize_address): Use it.
33555         (rs6000_legitimate_address): Likewise.
33556         * config/rs6000/rs6000.md (movXX_updateX): Likewise
33558 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
33560         PR tree-optimization/38997
33561         * tree-loop-distribution.c (generate_memset_zero): Use
33562         POINTER_PLUS_EXPR for a pointer addition.
33564 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
33566         * config/s390/s390.md (bswap<mode>2): New pattern added.
33568 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
33570         * config/s390/s390.md (*tls_load_31): Added type attribute.
33572 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
33574         * config/s390/s390.md: Fix a few comments.
33576 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
33578         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
33579         (*tm<mode>_full): Fixed z10prop attribute.
33580         (*tst<mode>_extimm): Fixed z10prop attribute.
33581         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
33582         (*tstqiCCT_cconly): Fixed z10prop attribute.
33583         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
33584         (*movsi_larl): Fixed z10prop attribute.
33585         (*movsi_zarch): Fixed z10prop attribute.
33586         (*movsi_eas): Fixed z10prop attribute.
33587         (*movhi): Fixed z10prop attribute.
33588         (*movqi): Fixed z10prop attribute.
33589         (*movstrictqi): Fixed z10prop attribute.
33590         (*mov<mode>): Fixed z10prop attribute.
33591         (*movcc): Fixed z10prop attribute.
33592         (*sethighpartdi_64): Fixed z10prop attribute.
33593         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
33594         (*negdi2_sign_cc): Fixed z10prop attribute.
33595         (*negdi2_sign): Fixed z10prop attribute.
33596         (*absdi2_sign_cc): Fixed z10prop attribute.
33597         (*absdi2_sign): Fixed z10prop attribute.
33598         (*negabsdi2_sign_cc): Fixed z10prop attribute.
33599         (*negabsdi2_sign): Fixed z10prop attribute.
33600         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
33601         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
33602         (doloop_si64): Fixed z10prop attribute.
33603         (doloop_si31): Fixed z10prop attribute.
33604         (doloop_long): Fixed z10prop attribute.
33605         (indirect_jump): Fixed z10prop attribute.
33606         (nop): Fixed z10prop attribute.
33607         (main_base_64): Fixed z10prop attribute.
33608         (reload_base_64): Fixed z10prop attribute.
33610 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
33612         PR rtl-optimization/38740
33613         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
33614         if !optimize.
33615         * config/mips/mips.c (mips_reorg): Likewise.
33617 2009-01-28  Richard Guenther  <rguenther@suse.de>
33619         PR tree-optimization/38926
33620         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
33621         with the correct value id to a value.
33622         (do_regular_insertion): Use the value number of edoubleprime
33623         for the value number of the expr.
33625         Revert
33626         2008-08-21  Richard Guenther  <rguenther@suse.de>
33628         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
33629         a PHI ask VN if it is already available.
33630         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
33631         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
33633 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
33635         PR middle-end/38934
33636         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
33637         set to varying whenever max has TREE_OVERFLOW set, similarly
33638         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
33640 2009-01-28  Richard Guenther  <rguenther@suse.de>
33642         PR middle-end/38908
33643         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
33644         uninitialized aggregate uses in call arguments.
33646 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
33648         PR tree-optimization/38984
33649         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
33650         the nothing_id variable if -fno-delete-null-pointer-checks.
33652 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
33654         PR target/38988
33655         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
33656         (set_got_offset_rex64): Ditto.
33658 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
33660         PR target/38941
33661         * doc/extend.texi: Improve local variable with asm reg.
33663 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
33665         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
33666         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
33667         was not supplied then set warn_packed_bitfield_compat to the
33668         default value of 1.
33669         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
33670         against 1.
33672 2009-01-27  Richard Guenther  <rguenther@suse.de>
33674         PR tree-optimization/38503
33675         * cfgexpand.c (expand_gimple_basic_block): Ignore
33676         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
33677         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
33678         variables that cannot have TBAA applied.
33679         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
33680         statements.
33682 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
33684         PR middle-end/38969
33685         * calls.c (initialize_argument_information): Do not wrap complex
33686         arguments in SAVE_EXPR.
33688 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
33690         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
33691         (INSTALL_LIBGCC): Revert typo commit.
33693 2009-01-26  Richard Guenther  <rguenther@suse.de>
33695         PR tree-optimization/38745
33696         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
33697         from special handling.
33699 2009-01-26  Richard Guenther  <rguenther@suse.de>
33701         PR tree-optimization/38745
33702         * tree-ssa.c (execute_update_addresses_taken): Do not include
33703         variables that cannot possibly be a register in not_reg_needs.
33704         Do not clear TREE_ADDRESSABLE on vars that may not become
33705         registers.
33706         * tree-ssa.c (update_alias_info_1): Include those in the set
33707         of addressable vars.
33709 2009-01-26  Richard Guenther  <rguenther@suse.de>
33711         PR middle-end/38851
33712         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
33713         * tree-ssa-dse.c: Include langhooks.h
33714         (execute_simple_dse): Remove stores with zero size.
33716 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
33718         PR c/38957
33719         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
33720         as PLUS_EXPR.
33722 2009-01-24  Julian Brown  <julian@codesourcery.com>
33724         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
33725         config/arm/linux-atomic.c.
33726         * config/arm/linux-atomic.c: New.
33728 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
33730         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
33731         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
33732         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
33734 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
33736         PR c/38938
33737         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
33738         properly.
33740 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
33742         PR tree-optimization/38953
33743         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
33744         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
33745         (gloog): Split the exit of the scop when the scop exit is a loop exit.
33746         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
33747         changed the CFG.
33749 2009-01-24  Paul Brook  <paul@codesourcery.com>
33751         * config/arm/neon.md (neon_type): Move to arm.md.
33752         (neon_mov<VSTRUCT>): Add neon_type attribute.
33753         * config/arm/arm.md (neon_type): Move to here.
33754         (conds): Add "unconditioal" and use as default for NEON insns.
33756 2009-01-24  Ben Elliston  <bje@au.ibm.com>
33758         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
33759         void *' warning from -Wc++-compat.
33760         * Makefile.in (dominance.o-warn): Remove.
33762 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
33764         PR tree-optimization/38932
33765         * fold-const.c (fold_unary_ignore_overflow): New.
33766         * tree.h (fold_unary_ignore_overflow): Declare.
33767         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
33768         * tree-ssa-sccvn.c (visit_reference_op_load,
33769         simplify_unary_expression): Likewise.
33771 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
33773         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
33774         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
33775         regardless of their type.
33776         * c-common.c (handle_packed_attribute): Don't ignore packed on
33777         bitfields.
33778         * c.opt (Wpacked-bitfield-compat): New warning option.
33779         * stor-layout.c (place_field): Warn if offset of a field changed.
33780         * doc/extend.texi (packed): Mention the ABI change.
33781         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
33782         (Warning Options): Add it to the list.
33784 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
33786         * c-opts.c (c_common_post_options): Fix a typo in comments.
33788 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
33790         PR middle-end/38615
33791         * gimplify.c (gimplify_init_constructor): Fix promotion of const
33792         variables to static.
33793         * doc/invoke.texi (-fmerge-all-constants): Update description.
33795 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
33797         PR target/38931
33798         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
33799         (*movdi_1_rex64): Use type "mmx" for alternative 5.
33801 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
33803         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
33804         a word boundary.
33805         (LOCAL_ALIGNMENT): Similarly.
33807 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
33808             Joseph Myers  <joseph@codesourcery.com>
33810         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
33811         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
33812         * config/arm/arm-tune.md: Regenerate.
33813         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
33814         -march=iwmmxt2.
33816 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
33818         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
33819         version number to five.
33821 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
33823         PR c++/38930
33824         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
33825         * c-common.c (set_underlying_type): Likewise.
33826         (is_typedef_decl ): Likewise
33827         * tree.h: Likewise
33828         (set_underlying_type): Likewise.
33829         (is_typedef_type): Likewise.
33831 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
33833         PR middle-end/38587
33834         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
33835         crossing setjmps.
33837 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
33839         PR bootstrap/37660
33840         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
33841         (LIBGCC_SPEC):  Don't define.
33842         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
33844 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
33846         PR rtl-optimization/38879
33847         * alias.c (base_alias_check): Unaligned access via AND address can
33848         alias all surrounding object types except those with sizes equal
33849         or wider than the size of unaligned access.
33851 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
33853         PR c++/26693
33854         * c-decl.c (clone_underlying_type): Move this ...
33855         * c-common.c (set_underlying_type): ... here.
33856         Also, make sure the function properly sets TYPE_STUB_DECL() on
33857         the newly created typedef variant type.
33858         (is_typedef_decl ): New entry point.
33859         * tree.h: Added a new member member_types_needing_access_check to
33860         struct tree_decl_non_common.
33861         (set_underlying_type): New entry point.
33862         (is_typedef_type): Likewise.
33864 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
33866         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
33867         Check whether two instructions have memory references that
33868         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
33869         are helper functions for traversing.
33870         * alias.h (insn_alias_sets_confilict_p): New prototypes.
33871         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
33872         not to draw dependency edge for instructions with non-conflicting
33873         alias sets.
33875 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
33877         PR other/38758
33878         * longlong.h: Update copyright years.  Use soft-fp license notice.
33879         Sync __clz_tab declaration with glibc.
33881 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
33883         PR target/30687
33884         * doc/extend.texi (syscall_linkage): New.
33885         (version_id): Modify.
33887 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
33888             Richard Guenther  <rguenther@suse.de>
33890         PR tree-optimization/38747
33891         PR tree-optimization/38748
33892         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
33893         conversion if the base address is an indirect reference and the
33894         aliasing sets could cause issues.
33896 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
33898         * common.opt (fgraphite, fgraphite-identity): Add comment for
33899         explaining why these options are not documented.
33901 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
33903         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
33904         gimple_call_lhs is NULL.
33906 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
33908         PR target/38868
33909         * emit-rtl.c (adjust_address_1): Make sure memref is never
33910         overwritten.
33912 2009-01-20  Ben Elliston  <bje@au.ibm.com>
33914         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
33915         const qualifier from arg parameter. Remove unnecessary cast to char *.
33916         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
33917         const qualifier from arg 2.
33919 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
33921         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
33923 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
33925         PR c/38869
33926         * rtl.h (reinit_regs): New prototype.
33927         * regclass.c: Include ira.h.
33928         (reinit_regs): New.
33929         * Makefile.in (regclass.o): Add ira.h.
33930         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
33932 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
33934         PR target/38736
33935         * c-common.c (handle_aligned_attribute): Use
33936         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
33937         default alignment value.
33939         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
33941         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
33942         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
33944         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
33945         __BIGGEST_ALIGNMENT__.
33947         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
33949 2009-01-18  Richard Guenther  <rguenther@suse.de>
33951         PR tree-optimization/38819
33952         * tree-flow.h (operation_could_trap_helper_p): Declare.
33953         * tree-eh.c (operation_could_trap_helper_p): Export.
33954         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
33955         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
33956         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
33957         are about to insert a possibly trapping instruction and fail
33958         in this case.
33960 2009-01-18  Andreas Schwab  <schwab@suse.de>
33962         * doc/install.texi (Configuration): Remove obsolete paragraph
33963         about use of --with-gnu-ld with --with-gnu-as.
33965 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
33967         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
33968         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
33969         Follow spelling conventions.
33971 2009-01-18  Ben Elliston  <bje@au.ibm.com>
33973         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
33974         C++ warning about implicit conversion from void * to struct
33975         bitmap_head_def *.
33976         (bitmap_obstack_free): Likewise for bitmap_element *.
33977         * Makefile.in (bitmap.o-warn): Remove.
33979 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
33981         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
33983 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
33984             Tobias Grosser  <tobi.grosser@amd.com>
33986         * graphite.c (graphite_trans_scop_block): Do not block single
33987         nested loops.
33989 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
33991         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
33992         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
33993         test with assertion.
33995 2009-01-16  Richard Guenther  <rguenther@suse.de>
33997         PR tree-optimization/38835
33998         PR middle-end/36227
33999         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
34000         and INT + PTR -> (INT)(PTR p+ INT) folding.
34001         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
34003 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
34005         PR target/38554
34006         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
34007         the subreg from a lowpart subreg if it is also casting the value.
34009 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
34010             Tobias Grosser  <tobi.grosser@amd.com>
34012         * graphite.c (compare_prefix_loops): New.
34013         (build_scop_canonical_schedules): Rewritten.
34014         (graphite_transform_loops): Move build_scop_canonical_schedules
34015         after build_scop_iteration_domain.
34017 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
34018             Tobias Grosser  <tobi.grosser@amd.com>
34020         * graphite.c (add_conditions_to_domain): Add the loops to
34021         the dimension of the iteration domain.  Do copy the domain
34022         only when it exists.
34023         (build_scop_conditions_1): Do not call add_conditions_to_domain.
34024         (add_conditions_to_constraints): New.
34025         (can_generate_code_stmt, can_generate_code): Removed.
34026         (gloog): Do not call can_generate_code.
34027         (graphite_transform_loops): Call add_conditions_to_constraints
34028         after building the iteration domain.
34030 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
34032         PR tree-optimization/38789
34033         * tree-ssa-threadedge.c
34034         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
34035         __builtin_constant_p.
34037 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
34039         * dce.c (delete_unmarked_insns): Reversed the order that insns are
34040         examined before deleting them.
34042 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
34044         * function.c (aggregate_value_p): Correctly extract the function
34045         type from CALL_EXPR_FN lookup.
34047 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
34049         * config/picochip/picochip.c (picochip_override_options): Revert
34050         CFI asm flag disable commited previously.
34052 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
34053             Tobias Grosser  <tobi.grosser@amd.com>
34054             Jan Sjodin  <jan.sjodin@amd.com>
34056         * graphite.c (scan_tree_for_params): On substractions negate
34057         all the coefficients of the term.
34058         (clast_to_gcc_expression_red): New.  Handle reduction expressions
34059         of more than two operands.
34060         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
34061         (get_vdef_before_scop): Handle also the case of default definitions.
34063 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
34065         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
34066         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
34067         Also use them when walking CALL_INSN_FUNCTION_USAGE.
34069 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
34070             Joey Ye  <joey.ye@intel.com>
34072         PR middle-end/37843
34073         * cfgexpand.c (expand_stack_alignment): Don't update stack
34074         boundary nor check incoming stack boundary here.
34075         (gimple_expand_cfg): Update stack boundary and check incoming
34076         stack boundary here.
34078 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
34080         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
34082 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
34084         PR rtl-optimization/38245
34085         * calls.c (expand_call): Add stack arguments to
34086         CALL_INSN_FUNCTION_USAGE even for pure calls (when
34087         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
34088         in regs and partially in memory or BLKmode arguments.
34089         (emit_library_call_value_1): Add stack arguments to
34090         CALL_INSN_FUNCTION_USAGE even for pure calls (when
34091         ACCUMULATE_OUTGOING_ARGS).
34092         * dce.c: Include tm_p.h.
34093         (find_call_stack_args): New function.
34094         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
34095         argument.
34096         (mark_insn): Call find_call_stack_args for CALL_Ps.
34097         (prescan_insns_for_dce): Walk insns backwards in bb rather than
34098         forwards.  Allocate and free arg_stores bitmap if needed, pass it
34099         down to deletable_insn_p, don't mark stores set in arg_stores
34100         bitmap, clear the bitmap at the beginning of each bb.
34101         * Makefile.in (dce.o): Depend on $(TM_P_H).
34103 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
34105         PR target/22599
34106         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
34107         to make sure the insn is a conditional test (bug 22599).  Reformat a
34108         few long lines.
34110 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
34112         PR middle-end/38431
34113         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
34114         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
34115         (gloog): Do not call cleanup_tree_cfg.
34116         (graphite_transform_loops): Call cleanup_tree_cfg after all
34117         scops have been code generated.
34119 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
34120         * doc/gty.texi (Invoking the garbage collector): Added new node
34121         and section documenting ggc_collect.
34123 2009-01-14  Richard Guenther  <rguenther@suse.de>
34125         PR tree-optimization/38826
34126         PR middle-end/38477
34127         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
34128         initialization notes only if we actually emitted a warning.
34129         (intra_create_variable_infos): Add constraints for a result decl
34130         that is passed by hidden reference.
34131         (build_pred_graph): Mark all related variables non-direct on
34132         address-taking.
34134 2009-01-14  Nick Clifton  <nickc@redhat.com>
34136         * ira-conflicts.c: Include addresses.h for the definition of
34137         base_reg_class.
34138         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
34139         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
34141 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
34143         PR target/38811
34144         * Makefile.in (ira-lives.o): Add except.h.
34146         * ira-lives.c: Include except.h.
34147         (process_bb_node_lives): Process can_throw_internal.
34149 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
34151         PR rtl-optimization/38774
34152         * combine.c (simplify_set): When undoing cc_use change, don't do
34153         PUT_CODE on the newly created comparison, but instead put back the
34154         old comparison.
34156 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
34158         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
34159         values.  Remove duplicate arm8 entry.
34161 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
34163         PR tree-optimization/38786
34164         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
34165         the SSA_NAME case of expand_scalar_variables_expr.
34166         Set the type of an expression to the type of its assign statement.
34167         (expand_scalar_variables_expr): Also gather the scalar computation
34168         used to index the memory access.  Do not pass loop_p.
34169         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
34170         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
34171         the gimple_stmt_iterator where it inserts new code.
34172         Do not pass loop_p.
34173         (copy_bb_and_scalar_dependences): Do not pass loop_p.
34174         (translate_clast): Update call to copy_bb_and_scalar_dependences.
34176 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
34178         * graphite.h (debug_value): Removed.
34179         * graphite.c (debug_value): Removed.
34181 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
34183         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
34184         ldrd/strd with two 32-bit instructions.
34186 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
34188         * config/arm/arm.c (struct processors): Pass for speed down into
34189         cost helper functions.
34190         (const_ok_for_op): Handle COMPARE and inequality nodes.
34191         (arm_rtx_costs_1): Rewrite.
34192         (arm_size_rtx_costs): Update prototype.
34193         (arm_rtx_costs): Pass speed down to helper functions.
34194         (arm_slowmul_rtx_costs): Rework cost calculations.
34195         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
34196         (arm_9e_rtx_costs): Likewise.
34198 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
34200         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
34201         relocations of local symbols wider than UNITS_PER_WORD are not valid.
34202         (alpha_legitimize_address): Do not split local symbols wider than
34203         UNITS_PER_WORD into HIGH/LO_SUM parts.
34205 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
34207         PR bootstrap/38580
34208         * gcc.c (process_command): Replace call to execvp with calls
34209         to pex_one and exit.
34211 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
34213         PR target/29141
34214         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
34215         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
34216         variant for devices with 3-byte PC.
34217         (__tablejump_elpm__): New.
34219 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
34221         PR c/32041
34222         * c-parser.c (c_parser_postfix_expression): Allow `->' in
34223         offsetof member-designator, handle it as `[0].'.
34225 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
34227         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
34228         function when not using named sections on targets with named sections
34229         if branch distance is less than 262132.
34231 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
34233         * combine.c (combine_instructions):  Recompute
34234         optimize_this_for_speed_p  for each BB in the main combine loop.
34236 2009-01-12  Tomas Bily  <tbily@suse.cz>
34238         PR middlend/38385
34239         * tree-loop-distribution.c (prop_phis): New function.
34240         (generate_builtin): Call prop_phis.
34242 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
34244         PR tree-optimization/38807
34245         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
34246         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
34248 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
34250         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
34251         subreg of op0 to the original op0.
34253 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
34255         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
34257 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
34259         PR debug/7055
34260         * mips-tfile.c (parse_def): Fix parsing of def strings
34261         starting with digits.
34263 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
34265         PR target/38695
34266         * config/arm/arm.c (arm_is_long_call_p): Don't call
34267         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
34269 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
34271         * regrename.c (regrename_optimize): Fix dumping.
34272         (find_oldest_value_reg): Preserve REG_POINTER.
34273         (copy_hardreg_forward_1): Likewise.
34275 2009-01-09  Diego Novillo  <dnovillo@google.com>
34277         * gimple.h (struct gimple_statement_base) <uid>: Document
34278         the restrictions on its use.
34279         (gimple_uid): Tidy.
34280         (gimple_set_uid): Tidy.
34282 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
34284         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
34285         zero guard even if align_bytes != 0 and count is smaller than
34286         size_needed.
34288 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
34290         PR rtl-optimization/38495
34291         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
34292         (add_range_and_copies_from_move_list): Print all added ranges.
34293         Add ranges to memory optimized destination.
34295 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
34297         PR target/38686
34298         PR target/38708
34299         * config/i386/i386.c (override_options): Reject
34300         -mstringop-strategy=rep_8byte with -m32.
34301         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
34302         to 1.  Do count comparison against epilogue_size_needed at compile
34303         time even when count_exp was constant forced into register.  For
34304         size_needed don't jump to epilogue, instead just avoid aligning
34305         and invoke the body algorithm.  If need_zero_guard, add zero guard
34306         even if count is non-zero, but smaller than size_needed + number of
34307         bytes that could be stored for alignment.
34308         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
34309         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
34310         but smaller than size_needed + number of bytes that could be stored
34311         for alignment.  Compare size_needed with epilogue_size_needed instead
34312         of desired_align - align, don't adjust size_needed, pass
34313         epilogue_size_needed to the epilogue expanders.
34315         PR c/35742
34316         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
34318 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
34320         * pa.c (last_address): Change to unsigned.
34321         (update_total_code_bytes): Change argument to unsigned.  Don't
34322         check if insn addresses are set.
34323         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
34324         addresses are not set.
34325         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
34327 2009-01-09  Nick Clifton  <nickc@redhat.com>
34329         * config/sh/symbian.c: Replace uses of DECL_INLINE with
34330         DECL_DECLARED_INLINE_P.
34332 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
34334         PR middle-end/38347
34335         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
34336         GET_MODE (op0) in operand_subword_force calls.
34338         PR middle-end/38771
34339         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
34340         fold_convert arg0 operands to TREE_TYPE (op0) first.
34342 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
34344         * params.def (ira-max-conflict-table-size): Decrease default value
34345         to 1000.
34347 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
34349         PR tree-optimization/37031
34350         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
34351         on parameter_set.
34352         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
34353         allocate it using gc instead of heap, use VEC_quick_push instead of
34354         VEC_safe_push.
34355         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
34356         instead of heap, use VEC_quick_push instead of VEC_safe_push.
34357         * tree-data-ref.h (struct access_matrix): Change matrix to gc
34358         allocated vector from heap allocated.
34359         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
34360         * tree-loop-linear.c (linear_transform_loops): Allocate nest
34361         vector only after perfect_loop_nest_depth call.
34363 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
34364             Jan Sjodin  <jan.sjodin@amd.com>
34366         PR tree-optimization/38559
34367         * graphite.c (debug_value, copy_constraint,
34368         swap_constraint_variables, scale_constraint_variable, ): New.
34369         (get_lower_bound, get_upper_bound): Removed.
34370         (graphite_trans_bb_strip_mine): Clean up this code that works
34371         only for constant number of iterations.  Fully copy upper and
34372         lower bound constraints, not only the constant part of them.
34373         * graphite.h (debug_value): Declared.
34375 2009-01-08  Ira Rosen  <irar@il.ibm.com>
34377         PR tree-optimization/37194
34378         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
34379         Don't add the cost of cost model guard in prologue to scalar
34380         outside cost in case of known number of iterations.
34382 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
34383             Alan Modra  <amodra@bigpond.net.au>
34385         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
34386         non-word-aligned REG+CONST addressing.
34388 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
34390         PR target/38706
34391         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
34392         free_after_compilation when outputting a thunk.
34393         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
34394         Do not call free_after_compilation here.
34396 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
34398         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
34399         (ix86_valid_target_attribute_inner_p): Ditto.
34401 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
34403         PR tree-optimization/38492
34404         PR tree-optimization/38498
34405         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
34406         * tree-chrec.h (scev_is_linear_expression): Declared.
34407         * graphite.c (graphite_cannot_represent_loop_niter): New.
34408         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
34409         (graphite_loop_normal_form): Use gcc_assert.
34410         (scan_tree_for_params): Use CASE_CONVERT.
34411         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
34412         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
34413         Use gcc_assert.  Discard scops that contain unhandled cases.
34414         (build_scop_conditions): Return a boolean status for unhandled cases.
34415         (strip_mine_profitable_p): Print the loop number, not its depth.
34416         (is_interchange_valid): Pass the depth of the loop nest, don't
34417         recompute it wrongly.
34418         (graphite_trans_bb_block): Same.
34419         (graphite_trans_bb_block): Print tentative of loop blocking.
34420         (graphite_trans_scop_block): Do not print that the loop has been
34421         blocked.
34422         (graphite_transform_loops): Do not handle scops that contain condition
34423         scalar phi nodes.
34425 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
34427         AVX Programming Reference (December, 2008)
34428         * config/i386/avxintrin.h (_mm256_stream_si256): New.
34429         (_mm256_stream_pd): Likewise.
34430         (_mm256_stream_ps): Likewise.
34432         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
34433         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
34434         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
34435         (bdesc_special_args): Add __builtin_ia32_movntdq256,
34436         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
34437         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
34438         (ix86_expand_special_args_builtin): Likewise.
34440         * config/i386/sse.md (AVXMODEDI): New.
34441         (avx_movnt<mode>): Likewise.
34442         (avx_movnt<mode>): Likewise.
34443         (<sse>_movnt<mode>): Remove AVX support.
34444         (sse2_movntv2di): Likewise.
34446 2009-01-07  Richard Guenther  <rguenther@suse.de>
34448         PR middle-end/38751
34449         * fold-const.c (extract_muldiv): Remove obsolete comment.
34450         (fold_plusminus_mult_expr): Undo MINUS_EXPR
34451         to PLUS_EXPR canonicalization for the canonicalization.
34453 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
34455         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
34456         hosted cross-compilers generating less efficient code.
34458 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
34460         * function.h (rtl_data): Add a dbr_scheduled_p field.
34461         * reorg.c (dbr_schedule): Set it.
34462         (gate_handle_delay_slots): Check it.
34463         * config/mips/mips.c (mips_base_delayed_branch): Delete.
34464         (mips_reorg): Check flag_delayed_branch instead of
34465         mips_base_delayed_branch.
34466         (mips_override_options): Don't set mips_base_delayed_branch
34467         or flag_delayed_branch.
34469 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
34471         PR rtl-optimization/38426.
34472         * ira.c (ira): Set current_function_is_leaf earlier.
34474 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
34476         PR rtl-optimization/38722
34477         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
34478         too early, only set a flag and modify after last possible
34479         undo_all point.
34481 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
34483         PR c/34252
34484         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
34485         * real.c (decimal_single_format): Correct values of emin and emax.
34486         (decimal_double_format): Ditto.
34487         (decimal_quad_format): Ditto.
34488         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
34489         computation of DECnn_MIN and DECnn_MAX for corrected values of
34490         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
34491         __DECnn_MIN__, and adjust its computation for the corrected value
34492         of emin.
34494 2009-01-06  Jan Hubicka  <jh@suse.cz>
34496         PR target/38744
34497         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
34499 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
34501         * doc/contrib.texi (Contributors): Slightly adjust the end note.
34502         Add Robert Clark to the list of testers.
34504 2009-01-06  Jan Hubicka  <jh@suse.cz>
34505             Kai Tietz  <kai.tietz@onevision.com>
34507         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
34508         * config/i386/i386.c (ix86_expand_call): Add clobbers.
34510 2009-01-06  Jan Hubicka  <jh@suse.cz>
34511             Kai Tietz  <kai.tietz@onevision.com>
34513         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
34514         for w64 ABI.
34515         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
34516         (ix86_nsaved_regs): Count only general purpose regs.
34517         (ix86_nsaved_sseregs): New.
34518         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
34519         to 16 for w64; compute padding and size of sse reg save area.
34520         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
34521         general purpose regs.
34522         (ix86_emit_save_sse_regs_using_mov): New.
34523         (ix86_expand_prologue): Save SSE regs if needed.
34524         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
34525         (ix86_emit_restore_sse_regs_using_mov): New.
34526         (ix86_expand_epilogue): Save SSE regs if needed.
34528 2009-01-06  Jan Hubicka  <jh@suse.cz>
34529             Kai Tietz  <kai.tietz@onevision.com>
34531         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
34532         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
34533         functions when accumulate outgoing args is off.
34535 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
34537         PR bootstrap/38742
34538         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
34539         before using pseudos_have_intersected_live_ranges_p.
34541         * ira-int.h (ira_assert): Always define.
34543 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
34545         AVX Programming Reference (December, 2008)
34546         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
34547         (_mm256_permute2_pd): Likewise.
34548         (_mm_permute2_ps): Likewise.
34549         (_mm256_permute2_ps): Likewise.
34550         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
34551         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
34553         * config/i386/i386.c (ix86_builtins): Remove
34554         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
34555         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
34556         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
34557         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
34558         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
34559         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
34560         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
34561         __builtin_ia32_vpermil2ps256.
34562         (ix86_init_mmx_sse_builtins): Updated.
34563         (ix86_expand_args_builtin): Likewise.
34565 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
34567         * pa.c (output_call): Relocate non-jump insns in the delay slot of
34568         long absolute calls when generating PA 2.0 code.
34570 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
34572         PR rtl-optimization/38583
34573         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
34575         * params.def (ira-max-conflict-table-size): New.
34577         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
34579         * ira.h (ira_conflicts_p): New external definition.
34581         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
34582         table.  Report this.  Return result of building.
34583         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
34584         building conflict table.
34586         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
34587         (ira_color): Use ira_conflicts_p.
34589         * global.c: Include ira.h.
34590         (pseudo_for_reload_consideration_p, build_insn_chain): Use
34591         ira_conflicts_p.
34593         * Makefile.in (global.o): Add ira.h.
34595         * ira-build.c (mark_all_loops_for_removal,
34596         propagate_some_info_from_allocno): New.
34597         (remove_unnecessary_allocnos): Call
34598         propagate_some_info_from_allocno.
34599         (remove_low_level_allocnos): New.
34600         (remove_unnecessary_regions): Add parameter.  Call
34601         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
34602         parameter to remove_unnecessary_regions.
34603         (ira_build): Remove all regions but root if the conflict table was
34604         not built.  Update conflict hard regs for allocnos crossing calls.
34606         * ira.c (ira_conflicts_p): New global.
34607         (ira): Define and use ira_conflicts_p.
34609         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
34610         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
34611         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
34613 2009-01-06  Ben Elliston  <bje@au.ibm.com>
34615         * gengtype-lex.l (YY_NO_INPUT): Define.
34617 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
34619         PR c/34911
34620         * c-common.c (handle_vector_size_attribute): Also reject
34621         BOOLEAN_TYPE types.
34623 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
34625         PR tree-optimization/38492
34626         * graphite.c (rename_map_elt, debug_rename_elt,
34627         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
34628         rename_map_elt_info, eq_rename_map_elts,
34629         get_new_name_from_old_name, bb_in_sese_p): Moved around.
34630         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
34631         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
34632         (sese_build_livein_liveouts): New.
34633         (new_sese, free_sese): New.
34634         (new_scop): Call new_sese.
34635         (free_scop): Call free_sese.
34636         (rename_variables_from_edge, rename_phis_end_scop): Removed.
34637         (register_old_new_names): Renamed register_old_and_new_names.
34638         (register_scop_liveout_renames, add_loop_exit_phis,
34639         insert_loop_close_phis, struct igp,
34640         default_liveout_before_guard, add_guard_exit_phis,
34641         insert_guard_phis, copy_renames): New.
34642         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
34643         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
34644         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
34645         (scop_adjust_phis_for_liveouts): New.
34646         (gloog): Call scop_adjust_phis_for_liveouts.
34648         * graphite.h (struct sese): Documented.  Added fields liveout,
34649         num_ver and livein.
34650         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
34651         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
34652         (struct scop): Added field liveout_renames.
34653         (SCOP_LIVEOUT_RENAMES): New.
34655 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
34657         PR tree-optimization/38510
34658         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
34659         (translate_clast): Call recompute_all_dominators before
34660         graphite_verify.
34661         (gloog): Call recompute_all_dominators before graphite_verify.
34663 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
34664             Jan Sjodin  <jan.sjodin@amd.com>
34666         PR tree-optimization/38500
34667         * graphite.c (create_sese_edges): Call fix_loop_structure after
34668         splitting blocks.
34670 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
34672         * config.gcc: Add m32r*-*-rtems*.
34673         * config/m32r/rtems.h: New file.
34675 2009-01-05  Ben Elliston  <bje@au.ibm.com>
34677         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
34678         (.po.pox): Likewise.
34679         (po/gcc.pot): Likewise.
34681 2009-01-04  David S. Miller  <davem@davemloft.net>
34683         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
34684         (STARTING_FRAME_OFFSET): Always set to zero.
34686 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
34688         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
34689         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
34690         fixed-point types, and vectors of the same.
34692 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
34694         * config/mips/sync.md (*mb_barrier): Rename to...
34695         (*memory_barrier): ...this.
34697 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
34699         * doc/extend.texi (Function Attributes): Move @cindex after @item
34700         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
34701         and put in alphabetical order. Fix 'target' name and put in order.
34702         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
34703         typos.
34705 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
34707         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
34708         (memory_barrier): Expand as unspec instead of unspec_volatile.
34709         Remove mem:BLK from insn operands.  Use Pmode scratch register.
34710         (*memory_barrier): Define as unspec instead of unspec_volatile.
34711         Use (match_dup 0) as input operand.
34713         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
34714         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
34715         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
34716         scratch register.  Remove operand 1.
34717         (*stbar): Define as unspec instead of unspec_volatile.
34718         Use (match_dup 0) as input operand, remove (const_int 8).
34719         (*membar): Define as unspec instead of unspec_volatile.
34720         Use (match_dup 0) as input operand, remove input operand 2.
34722         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
34723         (memory_barrier): Expand as unspec instead of unspec_volatile.
34724         Remove mem:BLK from insn operands.  Use Pmode scratch register.
34725         (*memory_barrier): Define as unspec instead of unspec_volatile.
34726         Use (match_dup 0) as input operand.
34728         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
34729         Remove mem:BLK from insn operands.  Use Pmode scratch register.
34730         Set volatile flag on operand 0.
34731         (*memory_barrier): New insn pattern.
34733         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
34734         insn operands.
34735         (*memory_barrier): Use (match_dup 0) as input operand.
34737         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
34738         Remove mem:BLK from insn operands.  Use Pmode scratch register.
34739         Set volatile flag on operand 0.
34740         (*mb_internal): New insn pattern.
34742         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
34744 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
34746         PR middle-end/38586
34747         * function.c (struct temp_slot): Move to the section of the file
34748         that deals with temp slots.  Remove field 'address'.
34749         (temp_slot_address_table): New hash table of address -> temp slot.
34750         (struct temp_slot_address_entry): New struct, items for the table.
34751         (temp_slot_address_compute_hash, temp_slot_address_hash,
34752         temp_slot_address_eq, insert_temp_slot_address): Support functions
34753         for the new table.
34754         (find_temp_slot_from_address): Rewrite to use the new hash table.
34755         (remove_unused_temp_slot_addresses): Remove addresses of temp
34756         slots that have been made available.
34757         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
34758         worker function for remove_unused_temp_slot_addresses.
34759         (assign_stack_temp_for_type): Don't clear the temp slot address list.
34760         Add the temp slot address to the address -> temp slot map.
34761         (update_temp_slot_address): Update via insert_temp_slot_address.
34762         (free_temp_slots): Call remove_unused_temp_slot_addresses.
34763         (pop_temp_slots): Likewise.
34764         (init_temp_slots): Allocate the address -> temp slot map, or empty
34765         the map if it is already allocated.
34766         (prepare_function_start): Initialize temp slot processing.
34768 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
34770         PR middle-end/38584
34771         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
34772         Calculate the size of all stack vars assuming no packing of stack
34773         vars will happen, replacing a quadratic algorithm with a linear one.
34775 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
34777         PR target/38707
34778         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
34779         can't be used.
34781 2009-01-03  Diego Novillo  <dnovillo@google.com>
34783         * doc/contrib.texi: Update contributions.
34785 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
34787         PR c++/38705
34788         * builtins.c (fold_builtin_memory_op): Give up if either operand
34789         is volatile.  Set srctype or desttype to non-qualified version
34790         of the other type.
34792         PR c/38700
34793         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
34794         and FUNCTION_DECLs.
34796 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
34798         PR rtl-optimization/35805
34799         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
34800         problem if fast dce is able to remove any instructions.
34801         * dce.c (dce_process_block): Fix dump message.
34803 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
34805         PR 33649
34806         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
34808 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
34810         PR middle-end/38690
34811         * tree-flow.h (op_code_prio, op_prio): New prototypes.
34812         * tree-pretty-print.c (op_code_prio): New function.
34813         (op_prio): No longer static.  Use op_code_prio.
34814         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
34815         Use op_prio and op_code_prio to determine if () should be
34816         printed around operand(s) or not.
34818         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
34819         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
34820         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
34821         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
34822         pp_character instead of pp_string for single letter printing.
34824 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
34826         * doc/extend.texi: Fix '#pragma GCC option' typo.
34828 2009-01-02  Richard Guenther  <rguenther@suse.de>
34830         * doc/install.texi (--enable-checking): Mention different
34831         default for stage1.
34832         (--enable-stage1-checking): Document.
34834 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
34836         PR middle-end/30142
34837         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
34838         case to be an error.
34840 2009-01-02  Ben Elliston  <bje@au.ibm.com>
34842         * config/fp-bit.h (pack_d): Constify argument.
34843         * config/fp-bit.c (makenan): Constify return type. Remove casts.
34844         (isnan): Constify argument.
34845         (isinf): Likewise.
34846         (iszero): Likewise.
34847         (pack_d): Likewise.
34848         (_fpadd_parts): Constify return type.
34849         (_fpmul_parts): Likewise.
34850         (_fpdiv_parts): Likewise.
34852 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
34854         PR c/36489
34855         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
34856         warn about overwriting initializer with side-effects or
34857         -Woverride-init if !IMPLICIT.
34858         (output_init_element): Likewise.  Pass IMPLICIT down to
34859         add_pending_init.
34860         (process_init_element): Add IMPLICIT argument.  Pass it down
34861         to output_init_element.
34862         (push_init_element, pop_init_level, set_designator): Adjust
34863         process_init_element callers.
34864         (set_nonincremental_init, set_nonincremental_init_from_string):
34865         Adjust add_pending_init callers.
34866         (output_pending_init_elements): Adjust output_init_element callers.
34867         * c-tree.h (process_init_element): Adjust prototype.
34868         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
34869         process_init_element callers.
34872 Copyright (C) 2009 Free Software Foundation, Inc.
34874 Copying and distribution of this file, with or without modification,
34875 are permitted in any medium without royalty provided the copyright
34876 notice and this notice are preserved.