* gfortran.h: Edit comments on GFC_STD_*.
[official-gcc.git] / gcc / ChangeLog
blob6f140628c919d7375b5a22f645fe4281ae599226
1 2007-03-23  Ian Lance Taylor  <iant@google.com>
3         * fold-const.c (fold_binary): Correct warning for X - c >= X.
5 2007-03-23  Ian Lance Taylor  <iant@google.com>
7         * tree-dump.c (dump_files): Correct comment.
9 2007-03-23  Ian Lance Taylor  <iant@google.com>
11         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
13 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
15         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
16         in cfglayout mode.  Don't go into and out of cfglayout mode.
17         Link the blocks in the order of the constructed traces.
18         (rest_of_handle_tracer): Adjust call to tracer.
19         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
20         Don't go into cfglayout mode.
21         (rtl_loop_done): Don't go out of cfglayout mode.
22         * cfglayout.c (relink_block_chain): New function, split out from...
23         (fixup_reorder_chain): ...here.  Remove redundant checking.
24         (cfg_layout_finalize): Don't clear the header, footer, and aux
25         fields here, move the code to do so to relink_block_chain.  Likewise
26         for free_original_copy_tables.
27         * rtl.h (tracer): Update prototype.
28         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
29         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
30         mode.  Use relink_block_chain to serialize the CFG according to the
31         new basic block order.  Move targetm.cannot_modify_jumps_p check from
32         here...
33         (gate_handle_reorder_blocks): ...to here.
34         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
35         from here...
36         (gate_duplicate_computed_gotos): ...to here.
37         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
38         something always changes when going into and out of cfglayout mode.
39         Perform an expensive cfg cleanup while going into cfglayout mode.
40         Always update liveness information on HAVE_conditional_execution
41         targets.  Reserialize the basic blocks and go out of cfglayout mode.
42         * reg-stack.c: Include cfglayout.h.
43         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
44         the call to reorder_basic_blocks.
45         * basic-block.h (reorder_basic_blocks): Update prototype.
46         (relink_block_chain): New prototype.
47         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
49 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
51         * config/mips/mips.md (type, hazard, *movdi_32bit,
52         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
53         *movhi_internal, *movqi_internal, *movsf_hardfloat,
54         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
55         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
56         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
57         applicable.
58         (movcc): Change first xfer to multi.
59         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
60         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
61         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
62         config/mips/generic.md: Change reservations using "xfer" to use
63         "mfc,mtc".
64         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
65         using match_operand.
66         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
67         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
68         examining mode.
69         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
71 2007-03-22  Richard Henderson  <rth@redhat.com>
73         * config/i386/i386.c: Remove unnecessary function declarations.
74         Move targetm definition, and all related macros, to the end of
75         the file.  Resort some functions to put definitions before uses.
76         (ix86_attribute_table): Make static.  Move to end of file.
77         (ix86_gimplify_va_arg): Make static.
79 2007-03-22  Richard Henderson  <rth@redhat.com>
81         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
82         don't increase local_regparm with force_align_arg_pointer check.
83         (ix86_function_sseregparm): Assert 32-bit.
84         (type_has_variadic_args_p): New.
85         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
86         type_has_variadic_args_p.
87         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
88         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
89         use memset instead.  Do maybe_vaarg check first; skip attribute
90         tests if true; skip attribute tests for 64-bit.
91         (construct_container): Remove TARGET_DEBUG_ARG.
92         (function_arg_advance_32, function_arg_advance_64): Split out ...
93         (function_arg_advance): ... from here.
94         (function_arg_32, function_arg_64): Split out ...
95         (function_arg): ... from here.
96         (ix86_pass_by_reference): Tidy.
97         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
98         (function_value_32): New, from parts of ix86_function_value
99         and ix86_value_regno.
100         (function_value_64): New, from parts of ix86_function_value
101         and ix86_libcall_value.
102         (ix86_function_value_1): New.
103         (ix86_function_value, ix86_libcall_value): Use it.
104         (return_in_memory_32, return_in_memory_64): Split out ...
105         (ix86_return_in_memory): ... from here.
106         (ix86_struct_value_rtx): Skip for 64-bit.
107         (ix86_libcall_value, ix86_value_regno): Remove.
108         (setup_incoming_varargs_64): Split out ...
109         (ix86_setup_incoming_varargs): ... from here.
110         (ix86_va_start): Remove TARGET_DEBUG_ARG.
111         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
112         * config/i386/i386-protos.h (ix86_function_value): Remove.
113         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
115 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
117         PR other/23572
118         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
119         infinities not supported, otherwise emit warning if -Woverflow. On
120         underflow, emit warning if -Woverflow.
121         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
122         and 0 otherwise.
123         * real.h (real_from_string): Update declaration
124         
125 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
126             Richard Henderson  <rth@redhat.com>
128         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
129         * calls.c (compute_argument_block_size, expand_call,
130         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
131         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
132         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
133         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
134         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
135         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
136         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
137         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
138         Set to 1.
140 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
142         * c-incpath.c (add_sysroot_to_chain): New.
143         (merge_include_chains): Add sysroot argument.  Call
144         add_sysroot_to_chain if sysrooted.
145         (register_include_chains): Update call to merge_include_chains.
146         * doc/cppopts.texi: Document use of '=' in include directory
147         arguments.
149 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
151         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
152         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
153         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
154         insn pattern using X87MODEF12 mode macro.
155         
156 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
158         * regmove.c (regmove_optimize): Use reg_mentioned_p
159         instead of reg_overlap_mentioned_p for DST.
161 2007-03-21  Mike Stump  <mrs@apple.com>
163         * c.opt: Fixup for Objective-C/C++.
165 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
167         * explow.c (convert_memory_address): Fold memory reference when
168         POINTERS_EXTEND_UNSIGNED < 0
170 2007-03-21  Richard Henderson  <rth@redhat.com>
172         PR target/31245
173         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
174         * config/i386/mmintrin.h (__m64): Likewise.
175         * config/i386/xmmintrin.h (__m128): Likewise.
177 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
179         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
180         (VXWORKS_OS_CPP_BUILTINS): Define.
181         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
182         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
184 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
186         * rtl.h (constant_pool_reference_p): Delete.
187         (find_constant_src): Declare.
188         * rtlanal.c (find_constant_src): New function.
189         * simplify-rtx.c (constant_pool_reference_p): Delete.
190         * config/i386/i386.md: Use find_constant_src instead of
191         constant_pool_reference_p/avoid_constant_pool_reference pairs.
193 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
195         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
196         * c-cppbuiltin.c (c_cpp_builtins): Define them.
198 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
200         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
201         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
202         (arm_elf_asm_constructor): Use it.
203         (arm_elf_asm_destructor): New function.
205 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
207         * jump.c (mark_jump_label): Treat SEQUENCE specially.
209 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
211         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
213 2007-03-19  Andrew Haley  <aph@redhat.com>
215         PR tree-optimization/31264
216         * tree-vrp.c (register_edge_assert_for_1): Don't look though
217         VIEW_CONVERT_EXPRs.
219 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
221         PR rtl-optimization/30907
222         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
223         (fwprop_init): Always call loop_optimizer_initialize.
224         (fwprop_done): Always call loop_optimizer_finalize.
225         (fwprop): We always have loop info now.
226         (gate_fwprop_addr): Remove.
227         (pass_fwprop_addr): Use gate_fwprop as gate.
229         PR rtl-optimization/30841
230         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
231         df_chain_alloc): Call df_reorganize_refs unconditionally.
232         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
233         refs_organized to refs_organized_size.
234         (df_ref_create_structure): Use refs_organized_size instead of
235         bitmap_size if refs had been organized, and keep refs_organized_size
236         up-to-date.
237         * df.h (struct df_ref_info): Change refs_organized to
238         refs_organized_size.
239         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
240         bitmap_size.
242 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
244         * except.c (output_function_exception_table): Do not reference the
245         EH personality routine for functions that do not require an
246         exception table.
248 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
250         PR c/30762
251         * c-typeck.c (convert_for_assignment): Call comptypes for
252         RECORD_TYPE or UNION_TYPE.
254         PR inline-asm/30505
255         * reload1.c (reload): Do invalid ASM checking after
256         cleanup_subreg_operands.
258 2007-03-19  Jeff Law  <law@redhat.com>
260         * tree-cfg.c (find_taken_edge): Tighten conditions for
261         optimizing computed gotos.
263 2007-03-19  Michael Matz  <matz@suse.de>
265         * builtins.c (expand_builtin_sync_operation,
266         expand_builtin_compare_and_swap,
267         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
268         correctly.
270         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
271         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
272         for operand 3.
274 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
276         * doc/tm.texi: Add brackets around the return type of
277         TARGET_SECONDARY_RELOAD.
279 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
280         Richard Guenther  <rguenther@suse.de>
282         PR tree-optimization/31254
283         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
284         Use handled_component_p () where appropriate.  Continue
285         propagating into the rhs if we propagated into an INDIRECT_REF
286         on the lhs.
288 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
290         * config/s390/s390.md (op_type attribute): RRR instruction type added.
291         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
292         (xde, xdee): Mode attributes adjusted to support DFP modes.
293         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
294         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
295         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3", 
296         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
297         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
298         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
299         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP 
300         numbers.
301         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
302         "movsf"): Insn definitions removed.
303         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
304         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
305         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
306         definitions added.
307         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
308         "reload_in<mode>", "reload_out<mode>"): Expander added.
309         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
310         Expander removed.
312 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
314         * config/s390/s390.md: Only non-functional changes.  Renamed
315         FPR mode macro to BFP all over the file.
317 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
319         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
320         (op_type attribute): RRF instruction type added.
321         (fT0): New mode attribute.
322         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
323         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
324         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
325         no secondary memory is needed when moving DFmode values between GPRs
326         and FPRs.
328 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
330         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
331         inverted and documentation adjusted.
332         ("mhard-dfp", "msoft-dfp"): New options.
333         * config/s390/s390.c (s390_handle_arch_option): New architecture
334         switch: z9-ec.
335         (override_options): Sanity checks for the new options added.
336         * config.gcc: New architecture switch: z9-ec.
337         * config/s390/s390.h (processor_flags): PF_DFP added.
338         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
339         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
340         when the bit is NOT set so remove it from the defaults.
342 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
344         * genemit.c (main): Print include statement for dfp.h.
345         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
346         is not available.
348 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
350         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
352 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
354         PR target/31022
355         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
356         instead of PATTERN.
358 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
360         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
361         attr_length_call, output_call, output_indirect_call): Cleanup
362         formatting of targetm calls.
364 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
366         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
368 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
370         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
371         reservation, bypass and anti-bypass descriptions for these instructions.
372         Update move patterns.
373         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
374         TYPE_FPSTORE.
375         
376 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
378         * tree-vect-transform.c (get_initial_def_for_induction): Replace
379         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
380         (get_initial_def_for_reduction): Likewise.
382 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
384         Fix PR tree-optimization/29922
385         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
386         (get_representative): Removed.
387         (value_dies_in_block_x): Update for rvuse removal.
388         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
389         (compute_antic_aux): Handle when PHI nodes appear in
390         non-single-successors. 
391         (dump_bitmap_of_names): Removed.
392         (compute_antic_safe): Renamed and removed rvuse calculation.
393         Calculate only antic safe.
394         (insert_into_preds_of_block): Remove assert.
395         (execute_pre): Update for renamed functions.
396         (defer_or_phi_translate_block): New function.
397         
398 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
400         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
401         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
402         typos.
403         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
404         Follow spelling conventions.
406         * tree-data-ref.h: Remove the prototype for analyze_array.
408 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
410         PR tree-optimization/31041
411         * tree-vect-transform.c (get_initial_def_for_induction): Call
412         force_gimple_operand.
413         
414 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
415   
416         * ipa-type-escape.c (look_for_casts) : Revert code to use
417         handled_component_p due to ada test a-numaux.adb.
419 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
421         * final.c (final_scan_insn): Alter the condition of a
422         conditional trap if we have nonstandard CC.
424 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
426         * configure.ac: Remove excess quoting from asm line 0 test.
427         * configure: Rebuilt.
429 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
431         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
432         * c-common.c (convert_and_check): Move warning logic to...
433         (warnings_for_convert_and_check): ...here. Define.
434         * c-common.h (warnings_for_convert_and_check): Declare.
435         
436 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
438         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
439         (output_call): Likewise.
441 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
443         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
445 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
447         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
449 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
451         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
452         opteron, athlon-64 and athlon-fx processor_alias_table entries.
454 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
456         PR tree-optimization/31183
457         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops): 
458         Use double_int instead of unsigned int for representing access_strides.
459         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
461 2007-03-16  Richard Guenther  <rguenther@suse.de>
463         PR tree-optimization/31146
464         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
465         to allow recursion of forward_propagate_addr_expr.
466         (forward_propagate_addr_into_variable_array_index): Likewise.
467         (forward_propagate_addr_expr): Likewise.
468         (tree_ssa_forward_propagate_single_use_vars): Likewise.
469         (forward_propagate_addr_expr_1): Recurse on simple copies
470         instead of propagating into them.  Do so for useless conversions
471         as well.
472         (forward_propagate_addr_expr): Clean up unused statements after
473         recursion.
475 2007-03-16  Richard Guenther  <rguenther@suse.de>
477         * builtins.c (expand_builtin_cexpi): Use the right argument
478         for the expansion via cexp.
480 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
482         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
483         * configure: Rebuilt.
485 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
487         PR debug/29906
488         * dwarf2out.c (force_type_die): Adjust comment.
489         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
491 2007-03-15  DJ Delorie  <dj@redhat.com>
493         * config/frv/predicates.md (minmax_operator): Don't check operands
494         here.
496 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
498         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
499         Update constant estimates of number of iterations.
500         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
501         argument renamed to "realistic".
502         (compute_estimated_nb_iterations): Removed.
503         (record_niter_bound): New function.
504         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
505         call record_nonwrapping_iv with upper = false.
506         (infer_loop_bounds_from_signedness): Pass upper argument to
507         record_nonwrapping_iv.
508         (estimate_numbers_of_iterations_loop): Do not call
509         compute_estimated_nb_iterations.  Record estimate based on profile
510         information.  Initialize the constant estimates of number of
511         iterations.
512         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
513         estimates.
514         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
515         number of iterations is too small.
516         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
517         (EST_NOT_AVAILABLE): Removed.
518         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
519         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
520         fields.
522 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
524         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
525         Handle NE_EXPR guards.
527 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
529         PR c++/24924
530         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
531         Set also -pedantic-errors by default for the  preprocessor unless
532         -fpermissive is given.
533         
534 2007-03-15  Richard Guenther  <rguenther@suse.de>
536         PR middle-end/29719
537         PR middle-end/31161
538         * builtins.c (expand_builtin_cexpi): As a fallback if we
539         don't have builtins for sincos or cexp create a function
540         declaration for cexp and expand to a call to that.
541         (expand_builtin_int_roundingfn): Always fall
542         back to floor/ceil and its variants even if they may be
543         not available.
545 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
547         PR middle-end/31159
548         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
549         jump tables, move the call to delete_dead_jumptables from here...
550         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
551         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
552         don't allow merging of blocks that try_redirect_by_replacing_jump
553         also does not handle when not optimizing.
555 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
556             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
558         * config/i386/i386.md (x86_sahf_1): Correctly handle
559         HAVE_AS_IX86_SAHF.
561 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
563         PR target/31167
564         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
565         x86_64_general_operand as operand[2] predicate.  Remove "iF"
566         from operand constraints and use "e" constraint instead.
567         (*subti3_1, *subti3_1 splitter): Ditto.
568         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
569         operand[1] predicate.
571 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
573         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
574         arrays, multiply the access strides by the size of the sub-array.
575         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
577 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
579         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
580         the configured assembler supports the sahf mnemonic.
581         * configure: Regenerate.
582         * config.in: Regenerate.
584         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
585         emit "sahf" or ".byte\t0x9e" as asm template.
587 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
589         PR 31018
590         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
591         option to replace hard coded TARGET_xxx in md file.
592         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
593         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
594         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
595         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
596         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
597         (X86_TUNE_NOT_VECTORMODE): Ditto.
598         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
599         (TUNE_AVOID_VECTOR_DECODE): Ditto.
600         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
601         (TUNE_SLOW_IMUL_IMM8): Ditto.
602         (TUNE_MOVE_M1_VIA_OR): Ditto.
603         (TUNE_NOT_UNPAIRABLE): Ditto.
604         (TUNE_NOT_VECTORMODE): Ditto.
605         
606         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
607         options.
609         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
610         tuning options instead of hard coded TARGET_xxx.
611         (fix ssemode peephole2's): Ditto.
612         (imul peephole2's): Ditto.
613         (movsi_or): Ditto.
614         (movdi_or_rex64): Ditto.
615         (move peephole2): Ditto.
616         (not peephole2's): Ditto.
618 2007-03-14  Dirk Mueller  <dmueller@suse.de>
620         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
621         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
622         * c-parser.c (c_parser_if_body): Always add an empty statement in case
623         of empty body.
624         * c-parser.c (c_parser_do_statement): Warn about empty body in
625         do/while statement.
626         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
627         * doc/invoke.texi (-Wempty-body): Update documentation.
629 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
631         PR c/21438
632         * c-common.h (warn_for_div_by_zero): Declare.
633         * c-common.c (warn_for_div_by_zero): Define.
634         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
635         warning.
637 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
639         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
640         to PREFIX and STANDARD_PREFIX.
642 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
643             Phil Edwards  <phil@codesourcery.com>
645         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
646         (__gthread_once_t): Remove busy field for RTPs.
647         (__GTHREAD_ONCE_INIT): Update accordingly.
649 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
651         * doc/invoke.texi: Document VxWorks options.
653 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
655         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
657 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
659         PR tree-optimization/30590
660         * tree-nrv.c (tree_nrv): Check for the partial update of the
661         return value.
663 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
665         * flags.h (flag_random_seed): Remove declaration, in favor of...
666         * toplev.h (get_random_seed, set_random_seed): ... these.
667         * tree.c (get_file_function_name): Use the former.
668         * opts.c (common_handle_option): Use the latter.
669         * toplev.c
671 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
673         PR middle-end/31127
674         * cse.c (cse_find_path): Do not bail out if a basic block that
675         we already visited now becomes part of a path that starts at a
676         different basic block.  Just disallow this, to make sure we
677         visit each basic block at most once.
679 2007-03-13  Jan Hubicka  <jh@suse.cz>
681         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
682         when profile esitmate is present, calls with very low frequency are
683         cold.
685 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
687         PR tree-optimization/30730
688         PR tree-optimization/26900
689         * tree-ssa-loop-niter.c: Include gmp.h.
690         (bounds): New type.
691         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
692         split_to_var_and_offset, determine_value_range,
693         bound_difference_of_offsetted_base, refine_bounds_using_guard,
694         bound_difference, bounds_add, bounds_negate,
695         number_of_iterations_ne_max, dump_affine_iv): New functions.
696         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
697         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
698         difference of initial and final value of control iv to validate
699         results.
700         (number_of_iterations_cond): Add loop parameter.  Determine bounds
701         on the difference of the extremes of the control iv.  Add dumps.
702         (expand_simple_operations): Handle phi nodes.
703         (simplify_using_initial_conditions): Do not record used conditions.
704         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
705         Do not set additional_info.
706         (implies_nonnegative_p, implies_ge_p): Removed.
707         (derive_constant_upper_bound): Do not use parameter `additional'.
708         (record_estimate): Parameter `additional' removed.  Parameter
709         `i_bound' added.  Do not call derive_constant_upper_bound.
710         (record_nonwrapping_iv): Use derive_constant_upper_bound to
711         bound the number of iterations estimate.
712         (estimate_numbers_of_iterations_loop): Pass the estimate from
713         the number of iterations analysis to record_estimate.
714         * tree.h (multiple_of_p): Declare.
715         * tree-scalar-evolution.c (expression_expensive_p): Removed.
716         (scev_const_prop): Do not check expression_expensive_p.
717         * fold-const.c (multiple_of_p): Exported.
718         * double-int.c (double_int_mask): Exported.
719         * double-int.h (double_int_mask): Declare.
720         * tree-flow.h (struct tree_niter_desc): Removed additional_info
721         field.  Added max field.
723 2007-03-13  David Taylor  <taylor@candd.org>
725         PR driver/12448:
726         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
727         default -MQ.
729 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
731         PR target/31123
732         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
733         two unamed patterns.
734         
735 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
737         * config/i386/i386.opt (mcx16, msahf): New options.
738         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
739         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
741         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
742         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
743         Output -mcx16 and -msahf options when corresponding bit is set.
745         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
746         and -msahf options.
748 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
750         * configure.ac: Test for assembler tolerance to # 0 "".
751         * configure, config.in: Rebuilt.
752         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
754 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
756         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
758         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
759         (handle_syscall): Handle direct system calls.
760         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
762 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
764         * doc/invoke.texi: Fix cpp.info cross-reference.
765         * doc/passes.texi: Fix gcc.info cross-reference.
767 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
769         PR tree-optimization/30835
770         * lambda-code.c (can_convert_to_perfect_nest): Check whether
771         bb_for_stmt is not NULL before accessing it.
773 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
775         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
776         some multilibs.
778 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
780         PR 30635
781         * doc/install.texi: Document --enable-stage1-languages
783 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
785         * tree-pass.h (pass_into_cfg_layout_mode,
786         pass_outof_cfg_layout_mode): Declare.
787         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
788         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
789         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
790         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
792 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
794         * c-decl.c (warn_variable_length_array): New function.
795         Refactored from grokdeclarator to handle warn_vla
796         and handle unnamed array case.
797         (grokdeclarator): Refactored VLA warning case.
798         * c.opt (Wvla): New flag.
799         * doc/invoke.texi (Wvla): New warning.
801 2007-03-12  Richard Henderson  <rth@redhat.com>
803         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
804         (TARGET_SECTION_TYPE_FLAGS): New.
806 2007-03-12  Richard Henderson  <rth@redhat.com>
808         * config/darwin.c (machopic_reloc_rw_mask): New.
809         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
810         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
812 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
814         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
815         * cppdefault.h (cpp_PREFIX): Document.
816         (cpp_PREFIX_len): Likewise.
817         (cpp_EXEC_PREFIX): New variable.
818         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
819         * c-incpath.c (add_standard_paths): Correct logic for relocating
820         paths within prefix.
822 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
824         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
825         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
826         mode macro.
827         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
828         fix_truncdfdi_sse using SSEMODEF mode macro.
829         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
830         fix_truncdfsi_sse using SSEMODEF mode macro.
831         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
832         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
834 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
836         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
837         elfos.h to tm_file.
839 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
840   
841         * tree.h : Add multiple_of_p declaration.
842         * fold-const.c (multiple_of_p): Make multiple_of_p public. 
843         * ipa-type-escape.c (results_of_malloc): Redundant.
844         (visited_stmts): New. Visited stmt for walk_use_def_chains.
845         (cast_type): Extended with new members.
846         (check_cast): Returns cast_type.
847         (cast): New structure for data of walk_use_def_chains.
848         (is_malloc_result, is_cast_from_non_pointer_1,
849         is_cast_from_non_pointer, 
850         is_array_access_through_pointer_and_index): New functions.
851         (look_for_casts): Returns cast types.
852         (check_call): Returns void.
853         (okay_pointer_operation): Use support of pointer plus index,
854         pointer plus constant and allow all multiplications.
855         
856 2007-03-11  Richard Guenther  <rguenther@suse.de>
858         PR tree-optimization/31115
859         * tree-vrp.c (extract_range_from_binary_expr): Make sure
860         the shift count is positive and non-anti-range for RSHIFT_EXPR.
861         A shift count of zero is not special as with *_DIV_EXPR.
862         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
863         direction.
865 2007-03-11  Ian Lance Taylor  <iant@google.com>
867         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
868         the *_DIV_EXPR codes correctly with overflow infinities.
870 2007-03-11  Ira Rosen  <irar@il.ibm.com>
872         * tree-data-ref.c (analyze_offset): Add a return value (bool) to 
873         indicate success/failure of the analysis. Add negation to subtrahend
874         in case of subtraction. Fail if both operands contain constants.
875         (create_data_ref): Fail if analyze_offset fails.
877 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
879         * config/i386/i386.md (frndintxf2): Rename to ...
880         (rintxf2): ... this. Remove expander having same name.
881         (rintsf2, rintdf2): Implement using SSEMODEF macro.
882         (roundsf2, rounddf2): Ditto.
883         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
884         (lround<mode>di2, lround<mode>si2): Ditto.
886 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
888         * lower-subreg.c: Include except.h.
889         (decompose_multiword_subregs): Verify that the only control flow
890         insns we can split are loads to multi-words pseudos.
891         Handle breaking such blocks after splitting, instead of calling
892         find_many_sub_basic_blocks.
894         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
895         on the new basic block.  Add a lengthy comment explaining why we
896         thought this was necessary.
897         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
899 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
901         PR c++/30924
902         * tree.c (walk_type_fields): Recurse into the element type of
903         ARRAY_TYPEs if there is a pointer set.
905 2007-03-10  Dirk Mueller  <dmueller@suse.de>
907         * c-common.c (warn_logical_operator): Fix condition.
909 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
911         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
912         quotation mark.
913         * config/darwin.c (machopic_select_section): Remove superfluous
914         argument in call to categorize_decl_for_section.  Remove unused
915         variable shlib.
917 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
919         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
920         defined.
921         * configure: Regenerate.
923 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
925         PR target/31101
926         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
927         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
928         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
929         Add LABEL_NUSES to emitted label.
930         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
931         branch probability value to emitted jump insn.
932         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
933         Do not check life information and do not re-arrange input operands
934         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
936 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
938         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
939         the change of decode_asm_operands.
941 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
943         * mode-switching.c (create_pre_exit): Skip blockage insn.
945 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
947         * tree-pass.h (TODO_update_smt_usage): Remove.
948         Update all users.
949         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
950         argument SOME.
951         Update all users.
953 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
955         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
956         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
957         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
958         SOM target.
960 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
962         * gcc.c: Document %{, in big comment at top.
963         (input_suffix_matches): Remove special handling for .s and
964         .S.
965         (input_spec_matches): New.
966         (handle_braces): Handle %{,.
967         (validate_switches): ',' indicates a value which is not a switch.
968         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
969         to detect assembler input.
970         * config/i386/sol2.h (CPP_SPEC): Likewise.
971         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
972         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
973         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
974         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
975         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
976         -m64 causes deployment target to default to 10.5.
977         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
979 2007-03-09  Richard Henderson  <rth@redhat.com>
981         PR target/26090
982         * target.h (targetm.asm.out.reloc_rw_mask): New.
983         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
984         (TARGET_ASM_OUT): Use it.
985         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
986         * varasm.c (categorize_decl_for_section): Remove shlib argument;
987         use the new reloc_rw_mask target hook instead.
988         (default_section_type_flags_1): Merge into...
989         (default_section_type_flags): ... here.
990         (decl_readonly_section_1): Merge into...
991         (decl_readonly_section): ... here.
992         (default_elf_select_section_1): Merge into...
993         (default_elf_select_section): ... here.
994         (default_unique_section_1): Merge into...
995         (default_unique_section): ... here.
996         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
997         (default_select_rtx_section): Use it.
998         (default_elf_select_rtx_section): Likewise.
999         * output.h: Update to match.
1000         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
1001         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
1002         (TARGET_ASM_RELOC_RW_MASK): New.
1003         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
1004         to categorize_decl_for_section.
1005         (x86_64_elf_unique_section): Likewise.
1006         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
1007         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
1008         (TARGET_ASM_RELOC_RW_MASK): New.
1009         * config/ia64/ia64.c (ia64_rwreloc_select_section,
1010         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
1011         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
1012         (TARGET_RWRELOC): Remove.
1013         (ia64_section_type_flags): Adjust call to default_section_type_flags.
1014         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1015         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
1016         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
1017         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
1018         (rs6000_xcoff_select_section): Use decl_readonly_section.
1019         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
1020         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1021         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
1022         (TARGET_SECTION_TYPE_FLAGS): Remove.
1023         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
1025 2007-03-09  Roger Sayle  <roger@eyesopen.com>
1027         * fold-const.c (fold_comparison): Remove compile-time evaluation of
1028         complex constant equality/inequality comparisons for here.
1029         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
1030         known at compile-time or can be simplified to a scalar comparison.
1031         (fold_relational_const): Move compile-time evaluation of complex
1032         constant equality/inequality comparisons to here.
1034 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1036         PR rtl-optimization/30643
1037         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
1038         dest_addr_elt.
1039         (fold_rtx): Recurse, like before 2006-11-03.
1041 2007-03-09  DJ Delorie  <dj@redhat.com>
1043         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
1044         m32c-pragma.o.
1046 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
1048         PR tree-optimization/30375
1049         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
1050         LHS of statements is not the same.
1051         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
1053 2007-03-09  Chao-ying Fu  <fu@mips.com>
1055         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
1056         REV 2.
1057         * doc/invoke.texi (-mdspr2): Document new option.
1058         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
1059         New unspec for DSP REV 2.
1060         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
1061         these instructions are extended in DSP REV 2.
1062         (mips-dspr2.md): Include.
1063         * config/mips/mips.opt (mdspr2): New option.
1064         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
1065         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
1066         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
1067         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
1068         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
1069         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
1070         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
1071         and 2 builtins.
1072         (bdesc_map): Add one field of unsupported_target_flags.
1073         (bdesc_arrays):  Update entries to have extra fields.  Add
1074         dsp_32only_bdesc.
1075         (mips_init_builtins): Initialize new function types.
1076         Check unsupported_target_fileds to filter out builtins.
1077         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
1078         TARGET_DSPR2.
1079         (ASM_SPEC): Pass mdspr2 to the assembler.
1080         * config/mips/mips-dspr2.md: New file.
1082 2007-03-09  Sa Liu  <saliu@de.ibm.com>
1084         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
1086 2007-03-09  Ian Lance Taylor  <iant@google.com>
1088         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
1089         argument) like -Wstrict-overflow=2.
1090         * doc/invoke.texi (Warning Options): Update documentation.
1092 2007-03-09  Dirk Mueller  <dmueller@suse.de>
1094         PR c++/17946
1095         * doc/invoke.texi (-Wlogical-op): Document.
1096         * common.opt (-Wlogical-op): New.
1097         * c-common.h (warn_logical_operator): Declare.
1098         * c-common.c (warn_logical_operator): Define.
1099         * c-typeck.c (parser_build_binary_op): Call
1100         warn_logical_operator.
1102 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1104         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
1105         * final.c (final_scan_insn): Test for non-"" file name.
1107 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
1109         * doc/loop.texi: Document the Omega linear constraints solver.
1110         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
1111         omega-max-geqs, omega-max-eqs, omega-max-wild-cards, 
1112         omega-hash-table-size, omega-max-keys, and 
1113         omega-eliminate-redundant-constraints.
1114         * tree-pass.h (pass_check_data_deps): Declared.
1115         * omega.c: New.
1116         * omega.h: New.
1117         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
1118         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps, 
1119         pass_check_data_deps): New.
1120         * tree-data-ref.c (init_data_ref): Remove declaration.
1121         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
1122         (analyze_array): Renamed init_array_ref, move up initializations.
1123         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
1124         Removed arguments that are set to NULL.
1125         (analyze_indirect_ref): Correct indentation, correct call to 
1126         init_pointer_ref.
1127         (object_analysis): Call init_array_ref instead of analyze_array.
1128         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
1129         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
1130         of DR_ACCESS_FNS_ADDR.
1131         (init_omega_eq_with_af, omega_extract_distance_vectors, 
1132         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
1133         ddr_consistent_p): New.
1134         (compute_affine_dependence): Check consistency of ddrs when 
1135         flag_check_data_deps is passed.
1136         (analyze_all_data_dependences): Uncomment.
1137         (tree_check_data_deps): New.
1138         * tree-data-ref.h: Include omega.h.
1139         (DR_ACCESS_FNS_ADDR): Removed.
1140         (data_dependence_relation): Add inner_loop.
1141         (DDR_INNER_LOOP): New.
1142         * common.opt (fcheck-data-deps): New.
1143         * tree-flow.h (tree_check_data_deps): Declare.
1144         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
1145         (OBJS-common): Depend on omega.o.
1146         (omega.o): Define.
1147         * passes.c (pass_check_data_deps): Scheduled.
1148         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS, 
1149         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
1150         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
1151         PARAM_VECT_MAX_VERSION_CHECKS,
1152         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
1154 2007-03-09  Richard Guenther  <rguenther@suse.de>
1156         PR tree-optimization/30904
1157         PR middle-end/31058
1158         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
1159         the same way as *_DIV_EXPR.
1161 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1163         * recog.c (decode_asm_operands): No mixed declarations and code.
1165 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1167         * rtl.def (ASM_INPUT): Add location.
1168         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
1169         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
1170         (decode_asm_operands): Add loc operand.
1171         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
1172         * stmt.c (expand_asm): Rename to...
1173         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
1174         gen_rtx_ASM_INPUT_loc.
1175         (expand_asm_expr): Adjust.
1176         * recog.c (decode_asm_operands): Add loc operand.
1177         (check_asm_operands, extract_insn): Adjust.
1178         * reload1.c (maybe_fix_stack_asms): Likewise.
1179         * final.c (asm_insn_count): Likewise.
1180         (final_scan_insn): Output # line before and after asm.
1182 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
1184         * tree-ssa-structalias.c (variable_info): Remove
1185         finished_solution.
1186         (new_var_info): Ditto.
1187         (shared_bitmap_info_t): New structure.
1188         (shared_bitmap_table): New variable.
1189         (shared_bitmap_hash): New function.
1190         (shared_bitmap_eq): Ditto
1191         (shared_bitmap_lookup): Ditto.
1192         (shared_bitmap_add): Ditto.
1193         (merge_smts_into): Change to take bitmap directly.
1194         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
1195         (init_alias_vars): Init shared bitmap hashtable.
1196         (delete_points_to_sets): Delete shared bitmap hashtable.
1197         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
1198         is_aliased removal as a change that was still necessary was
1199         deleted.
1201 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
1203         * config/i386/i386.h (override_options): Conditionally disable
1204         x86_sahf for 64bit targets only.
1206 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1208         PR C/31072
1209         * c-decl.c (merge_decls): Don't call make_var_volatile.
1210         * varasm.c (make_var_volatile): Remove.
1211         * output.h (make_var_volatile): Remove.
1213 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
1215         PR tree-optimization/31085
1216         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
1218 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1220         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
1221         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
1222         ATTR_CONST_NOTHROW_LIST.
1223         
1224         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
1225         FIX_TRUNC_EXPR.
1227 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
1229         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
1231 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
1233         PR 31013
1234         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
1235         is declared.
1236         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
1237         passed, use shared libgcc.
1239 2007-03-08  Roger Sayle  <roger@eyesopen.com>
1241         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
1242         instead of calling build2 with a GIMPLE_MODIFY_STMT.
1243         (honor_protect_cleanup_actions, lower_try_finally_switch):
1244         Likewise.
1245         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
1246         ifc_temp_var): Likewise.
1247         * tree-inline.c (setup_one_parameter): Likewise.
1248         * tree-mudflap.c (mf_decl_cache_locals,
1249         mf_build_check_statement_for): Likewise.
1250         * tree-nested.c (init_tmp_var, save_tmp_var,
1251         finalize_nesting_tree_1): Likewise.
1252         * tree-outof-ssa.c (insert_copy_on_edge,
1253         insert_backedge_copies): Likewise.
1254         * tree-profile.c (tree_gen_edge_profiler,
1255         tree_gen_ic_profiler): Likewise.
1256         * tree-scalar-evolution.c (scev_const_prop): Likewise.
1257         * tree-sra.c (sra_build_assignment): Likewise.
1258         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
1259         * tree-ssa-math-opts.c (insert_reciprocals,
1260         execute_cse_sincos_1): Likewise.
1261         * tree-tailcall.c (adjust_accumulator_values,
1262         adjust_return_value): Likewise.
1263         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
1264         * tree-vect-transform.c (vect_create_data_ref_ptr,
1265         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
1266         vect_create_epilog_for_reduction, vectorizable_reduction,
1267         vectorizable_call, vectorizable_conversion,
1268         vectorizable_assignment, vectorizable_operation,
1269         vectorizable_type_demotion, vect_gen_widened_results_half,
1270         vect_permute_store_chain, vectorizable_store,
1271         vect_setup_realignment, vect_permute_load_chain,
1272         vectorizable_load, vectorizable_condition,
1273         vect_create_cond_for_align_checks): Likewise.
1274         * tree-vrp.c (build_assert_expr_for): Likewise.
1276 2007-03-08  Ian Lance Taylor  <iant@google.com>
1278         * tree-vrp.c: Include "intl.h".
1279         (usable_range_p): New static function.
1280         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
1281         overflowed values, juts set *strict_overflow_p.
1282         (compare_values): Only return -2 if one of the operands is not a
1283         constant.
1284         (compare_ranges): Call usable_range_p.
1285         (compare_range_with_value): Likewise.
1286         (vrp_evaluate_conditional_warnv): Rename from
1287         vrp_evaluate_conditional.  Make static.  Change all callers.
1288         (vrp_evaluate_conditional): New function.
1289         (simplify_div_or_mod_using_ranges): Issue warning about reliance
1290         on signed overflow.
1291         (simplify_abs_using_ranges): Likewise.
1292         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
1293         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
1294         within_stmt parameter.
1295         * tree-ssa-propagate.c (fold_predicate_in): Update call to
1296         vrp_evaluate_conditional.
1297         * tree-ssa-threadedge.c
1298         (record_temporary_equivalences_from_stmts_at_dest): Change
1299         simplify parameter to take a second tree parameter.
1300         (simplify_control_stmt_condition): Likewise.
1301         (thread_across_edge): Likewise.
1302         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1303         (thread_across_edge): Likewise.
1304         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
1306 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
1308         * config/i386/i386.h (TARGET_SAHF): New define.
1309         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
1310         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
1311         (x86_sahf): New global variable.
1312         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
1313         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
1314         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
1315         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
1316         for 64-bit.
1317         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
1318         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
1319         when expanding fcomi/sahf based tests.
1320         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
1321         expanding sahf based alternative. Emit sahf based sequence when
1322         optimizing for code size.
1323         * config/i386/i386.md (x86_sahf_1): Do not disable for
1324         TARGET_64BIT, enable for TARGET_SAHF. 
1326 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
1328         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
1329         spurious whitespace from error message.
1331 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
1333         PR c++/30852
1334         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
1336 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
1338         * c-decl.c (grokdeclarator): Disable warnings for anonymous
1339         bitfields.
1340         * tree-sra.c (instantiate_element): Propagate disabled warnings
1341         from the element itself to the created variable.
1343 2007-03-07  Richard Henderson  <rth@redhat.com>
1345         PR target/30848
1346         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
1347         silently fix up the stack in the case of a missing register.
1349 2007-03-07  Paul Brook  <paul@codesourcery.com>
1351         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
1353 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
1355         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
1356         New.
1357         (phase1_vrs): Use them.
1358         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
1359         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
1360         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
1361         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
1362         __gnu_Unwind_Restore_WMMXC if required.
1363         (_Unwind_VRS_Pop): Implement iWMMXt support.
1364         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
1365         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
1366         gnu_Unwind_Save_WMMXC): Define.
1368 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
1370         * config/vxworks.h (vxworks_override_options): Declare.
1371         (VXWORKS_OVERRIDE_OPTIONS): Use it.
1372         * config/vxworks.c: Include target.h and toplev.h.
1373         (vxworks_override_options): New function.
1374         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
1376 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
1378         * config/s390/s390.c (override_options): Don't emit an error when
1379         -mstack-size is used without providing -mstack-guard.
1380         (s390_emit_prologue): Choose stack_guard value automatically if not
1381         provided via command line.
1382         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
1384 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
1386         * config/i386/i386.c (output_set_got): Add a GOT initialization
1387         sequence for VxWorks PIC.
1388         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
1389         around labels as well as symbols.  Use gotoff_operand instead
1390         of local_symbolic_operand.
1391         (legitimize_pic_address): Use gotoff_operand instead of
1392         local_symbolic_operand.  Use @GOT accesses for labels as
1393         well as symbols.
1394         (ix86_output_addr_diff_elt): Use PC-relative rather than
1395         GP-relative offsets for VxWorks PIC.
1396         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
1397         no_new_pseudos.  Check whether the returned register is op0.
1398         * config/i386/i386.md (tablejump): Use PC-relative rather than
1399         GP-relative offsets for VxWorks PIC.
1400         * config/i386/predicates.md (gotoff_operand): New predicate.
1402 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
1404         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
1405         before defining.
1406         * config/vxworks-dummy.h: New file.
1407         * config/i386/i386.h: Include it.
1409 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
1411         * dwarf2out.c (is_inlined_entry_point): New
1412         (add_high_low_attributes): Emit DW_AT_entry_pc along with
1413         DW_AT_ranges if the first subblock is the entry point.
1415 2007-03-06  David Daney  <ddaney@avtrex.com>
1417         * doc/install.texi (mips-*-*): Change recommended binutils
1418         version.
1420 2007-03-06  Anatoly Sokolov <aesok@post.ru>
1422         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
1423         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162 
1424         devices.
1425         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1426         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1428 2007-03-06  Jan Hubicka  <jh@suse.cz>
1430         * errors.h (warning, error, fatal, internal_error): Mark as cold.
1431         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
1432         are hot.
1433         (probably_cold_bb_p): Cold functions are cold.
1434         (probably_never_executed_bb_p): Cold functions are cold.
1435         (tree_bb_level_predictions): Predict calls to cold functions as not
1436         taken.
1437         (compute_function_frequency): Check hot/cold attributes.
1438         * function.h (function_frequency): Update comments.
1439         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
1440         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
1441         (c_common_att): Add cold and hot.
1443         * doc/extend.texi (hot,cold attributes): Document.
1445 2007-03-06  Andrew Haley  <aph@redhat.com>
1447         * function.c (expand_function_end): Move blockage to just after we
1448         emit the label for the naked return from the function.
1450 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
1452         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
1453         before redefining.
1455 2007-03-06  Jan Hubicka  <jh@suse.cz>
1457         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
1458         loaded for constant large models.  Non-large 64bit PIC can do.
1459         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
1460         * cmodel.h: Add LARGE PIC.
1461         * i386.md (UNSPEC_PLTOFF): New.
1462         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
1463         needed.
1464         (*call_1_rex64): Disable for large models.
1465         (*call_1_rex64_large): New.
1466         (*call_value_1_rex64): Disable for large models.
1467         (*call_value_1_rex64_large): New.
1468         (set_rip_rex4): New.
1469         (set_got_offset_rex64): New.
1470         * predicates.md (constant_call_address_operand): For large model
1471         constant calls are not possible.
1472         * i386-protos.h (construct_plt_address): Declare.
1473         * i386.c (override_options): Accept large models.
1474         (ix86_expand_prologue): Expand large PIC GOT pointer load.
1475         (legitimate_constant_p): Add new UNSPECs.
1476         (legitimate_pic_operand_p): Likewise.
1477         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
1478         (legitimize_pic_address): Do easy RIP relative way for TLS only for
1479         non-large model.
1480         (output_pic_addr_const): Add PLTOFF.
1481         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
1482         (ix86_expand_move): Legitimize pic address when in PIC mode.
1483         (construct_plt_address): New function.
1484         (ix86_expand_call): Offload the address to register and use GOT pointer
1485         for large model.
1486         * invoke.texi (mcmodel=large): Update documentation.
1488 2007-03-06  Richard Henderson  <rth@redhat.com>
1490         * config/i386/i386.c (x86_use_leave, x86_push_memory,
1491         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
1492         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
1493         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
1494         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
1495         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
1496         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix, 
1497         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
1498         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
1499         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves, 
1500         x86_partial_reg_dependency, x86_memory_mismatch_stall, 
1501         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
1502         x86_sse_partial_reg_dependency, x86_sse_split_regs, 
1503         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
1504         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
1505         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
1506         x86_schedule, x86_use_bt, x86_pad_returns,
1507         x86_use_xchgb): Merge into ...
1508         (ix86_tune_features): ... here.  New array.
1509         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
1510         x86_bswap): Merge into ...
1511         (ix86_arch_features): ... here.  New array.
1512         (x86_3dnow_a): Remove.
1513         (x86_accumulate_outgoing_args): Make static.
1514         (x86_arch_always_fancy_math_387): Make static.
1515         (ix86_tune_mask, ix86_arch_mask): Move ...
1516         (override_options): ... to local variables here.  Apply the
1517         appropriate mask to each element of ix86_arch_features and
1518         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
1519         as were done in the old macros.
1520         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
1521         * config/i386/i386.h (x86_use_leave, x86_push_memory,
1522         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
1523         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
1524         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
1525         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
1526         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
1527         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
1528         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
1529         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
1530         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
1531         x86_partial_reg_dependency, x86_memory_mismatch_stall,
1532         x86_accumulate_outgoing_args, x86_prologue_using_move,
1533         x86_epilogue_using_move, x86_decompose_lea,
1534         x86_arch_always_fancy_math_387, x86_shift1,
1535         x86_sse_partial_reg_dependency, x86_sse_split_regs,
1536         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,        
1537         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
1538         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
1539         x86_use_incdec, x86_pad_returns, x86_bswap,
1540         x86_partial_flag_reg_stall): Remove.
1541         (enum ix86_tune_indices): New.
1542         (ix86_tune_features): New.
1543         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
1544         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
1545         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
1546         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
1547         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
1548         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
1549         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
1550         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
1551         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
1552         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
1553         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
1554         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
1555         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
1556         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
1557         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
1558         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
1559         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
1560         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
1561         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
1562         TARGET_EXT_80387_CONSTANTS): Use it.
1563         (enum ix86_arch_indices): New.
1564         (ix86_arch_features): New.
1565         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
1566         TARGET_BSWAP): Use it.
1567         (ix86_tune_mask, ix86_arch_mask): Remove.
1569 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
1571         PR bootstrap/31020
1572         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
1573         Define using $${sysroot_headers_suffix}.
1574         * configure: Regenerate.
1575         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
1576         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
1577         defined.
1578         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
1579         * gcc.c (print_sysroot_headers_suffix): New.
1580         (option_map): Include --print-sysroot-headers-suffix.
1581         (display_help): Mention -print-sysroot-headers-suffix.
1582         (process_command): Handle -print-sysroot-headers-suffix.
1583         (do_spec_1): Append multilib directory to include-fixed path if
1584         sysroot suffixes in use.
1585         (main): Handle -print-sysroot-headers-suffix.
1586         * Makefile.in (start.encap): Don't depend on xlimits.h
1587         (xlimits.h): Remove.
1588         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
1589         limits.h for each multilib in fixinc_list.
1590         (fixinc_list, s-fixinc_list): New.
1591         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
1592         generate them for each multilib in fixinc_list.
1593         (stmp-fixproto): Use include-fixed.  Run fixproto for each
1594         multilib in fixinc_list.
1595         (mostlyclean): Don't remove xlimits.h.
1596         (clean): Remove include-fixed.
1597         (real-install-headers-tar, real-install-headers-cpio,
1598         real-install-headers-cp): Don't copy include, only include-fixed.
1599         (install-mkheaders): Depend on fixinc_list.  Don't depend on
1600         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
1601         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
1602         SYSTEM_HEADER_DIR setting in mkheaders.conf.
1604 2007-03-06  Jan Hubicka  <jh@suse.cz>
1606         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
1607         NANs easilly.
1609 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
1611         * configure.ac: Allow tm_file to contain build-directory files.
1612         * configure: Regenerate.
1613         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
1614         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
1615         * config/m68k/print-sysroot-suffix.sh: New file.
1617 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
1619         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
1620         of pic_offset_table_rtx if reload_completed.
1621         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
1622         PIC_OFFSET_TABLE_REGNUM.
1623         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
1624         return true.
1625         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
1626         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
1628 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
1630         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
1631         functions that call eh_return.
1633 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
1635         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
1636         functions that need a constant pool.
1638 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
1640         PR target/28181
1641         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
1642         (m68k_preferred_reload_class): Likewise.
1643         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
1644         (SECONDARY_RELOAD_CLASS): Define.
1645         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
1646         (LIMIT_RELOAD_CLASS): Delete.
1647         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
1648         registers from storing bytes.
1649         (m68k_secondary_reload_class): New function.
1650         (m68k_preferred_reload_class): Likewise.
1652 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
1654         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
1655         leaf functions.
1656         (m68k_expand_prologue): Likewise.
1658 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
1660         * config/m68k/m68k-protos.h (output_sibcall): Declare.
1661         (mips_expand_epilogue): Add a bool parameter.
1662         (m68k_legitimize_sibcall_address): Declare.
1663         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
1664         (m68k_expand_epilogue): Add a parameter to select between sibling
1665         and normal epilogues.  Only generate a return for the latter.
1666         (m68k_ok_for_sibcall_p): New function.
1667         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
1668         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
1669         (sibcall_value, *sibcall_value): Likewise.
1670         (*call, *call_value): Require !SIBLING_CALL_P.
1671         (epilogue): Update call to m68k_expand_epilogue.
1672         (sibcall_epilogue): New pattern.
1673         * config/m68k/predicates.md (const_call_operand): Say that this
1674         predicate applies to sibling calls too.
1675         (sibcall_operand): New predicate.
1677 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
1679         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
1680         alternatives as movsi_cf.
1681         (movsf_cf_hard): Add commentary.
1683 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
1684             Richard Sandiford  <richard@codesourcery.com>
1686         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
1687         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
1688         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
1689         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
1690         as being live on exit from an interrupt function.
1691         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
1692         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
1693         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
1694         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
1695         (m68k_interrupt_function_p): Globalize.
1696         (m68k_compute_frame_layout): Remove reverse mask code.
1697         (m68k_emit_movem, m68k_set_frame_related): New functions.
1698         (m68k_output_function_prologue): Delete in favor of...
1699         (m68k_expand_prologue): ...this new function.
1700         (m68k_output_function_epilogue): Delete in favor of...
1701         (m68k_expand_epilogue): ...this new function.
1702         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
1703         functions.
1704         (print_operand): Handle %?.
1705         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
1706         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
1707         (prologue, epilogue): New patterns.
1708         (return): Turn into a define_expand.
1709         (*return): New pattern, derived from old "return" pattern.  Use rte
1710         rather than rts for interrupt functions.  Only use rtd if the pop
1711         count is nonzero.
1712         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
1713         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
1714         (link, *link, unlink, *unlink, load_got): Likewise.
1716 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
1718         PR target/23482
1719         PR target/17114
1720         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
1721         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
1722         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
1723         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
1724         and m68k_matches_u_p.
1725         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
1726         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
1727         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
1728         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
1729         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
1730         (REG_STRICT_P): New macro.
1731         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
1732         PCREL_GENERAL_OPERAND_OK.
1733         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
1734         m68k_legitimate_base_reg_p.
1735         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
1736         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
1737         (PIC_CASE_VECTOR_ADDRESS): Update comment.
1738         * config/m68k/m68k.c (m68k_address): New structure.
1739         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
1740         (m68k_decompose_index, m68k_legitimate_constant_address_p)
1741         (m68k_jump_table_ref_p, m68k_decompose_address)
1742         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
1743         (m68k_matches_u_p): New functions.
1744         (print_operand_address): Rewrite to use m68k_decompose_index.
1746 2007-03-05  David Taylor  <dtaylor@emc.com>
1748         * gcc.c: Correct copyright date in --version output.
1750 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1752         * pa.md: In unamed move patterns, disparge copies between general
1753         and floating point registers using '?' modifier.  Don't include 'f'
1754         constraint for register preferences in DImode, SImode, HImode and
1755         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
1756         Remove constraints for copies between general and floating registers
1757         in soft-float DFmode pattern.
1758         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
1759         floating register.
1760         (movsf): Likewise. 
1762 2007-03-05  Mike Stump  <mrs@apple.com>
1764         * c-common.c (targetcm): Add.
1765         * c-opts.c (c_common_handle_option): Handle language specific
1766         target options.
1767         * opts.c (handle_option): Verify language for target options, if
1768         any are given.
1769         * opth-gen.awk: Add CL_LANG_ALL.
1770         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
1771         (TARGETCM_INITIALIZER): Add.
1772         * target.h (struct gcc_targetcm): Add.
1773         (targetcm): Add.
1774         * targhooks.c (default_handle_c_option): Add.
1775         * targhooks.h (default_handle_c_option): Add.
1776         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
1778         * config/darwin.opt (iframework): Add.
1779         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
1780         * config/darwin-c.c (handle_c_option): Add.
1781         (TARGET_HANDLE_C_OPTION): Add.
1782         (targetcm): Add.
1783         * doc/invoke.texi (Darwin Options): Add -iframework.
1785 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1787         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
1788         conversion.
1790 2007-03-05  Ian Lance Taylor  <iant@google.com>
1792         * c.opt (fgnu89-inline): New option.
1793         * c-opts.c (c_common_post_options): Set default value for
1794         flag_gnu89_inline.
1795         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
1796         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
1797         inline functions.
1798         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
1799         (grokdeclarator, start_function): Likewise.
1800         * c-cppbuiltin.c (c_cpp_builtins): Define either
1801         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
1802         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
1803         (C Dialect Options): Document -fgnu89-inline.
1804         * doc/extend.texi (Function Attributes): Explain what the
1805         gnu_inline attribute does.
1806         * doc/cpp.texi (Common Predefined Macros): Document
1807         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1809 2007-03-05  Ian Lance Taylor  <iant@google.com>
1811         PR tree-optimization/31034
1812         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
1813         half-range if the other side is an overflow infinity.
1815 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
1817         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
1818         (bfin*-linux-uclibc*): New configuration.
1819         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
1820         defining.
1821         * config/bfin/linux.h: New file.
1822         * config/bfin/libgcc-bfin.ver: New file.
1823         * config/bfin/t-bfin-uclinux: New file.
1824         * config/bfin/t-bfin-linux: New file.
1825         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
1826         (TARGET_OS_CPP_BUILTINS): New macro.
1828 2007-03-05  Richard Guenther  <rguenther@suse.de>
1830         * fold-const.c (fold_binary): Remove duplicate folding
1831         of comparison of non-null ADDR_EXPR against null.
1833 2007-03-05  Richard Guenther  <rguenther@suse.de>
1834             Dorit Nuzman  <dorit@il.ibm.com>
1836         PR tree-optimization/26420
1837         * tree-vectorizer.c (vectorize_loops): Bail out early if there
1838         are no loops in the function.  Only print the number of
1839         vectorized loops if it is greater than zero or we are supposed
1840         to print information about unvectorized loops.
1842 2007-03-05  Revital Eres  <eres@il.ibm.com>
1844         * gcc.dg/var-expand1.c: New test.
1845         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
1846         when an accumulator is expanded.
1848 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1850         PR other/30465
1851         * c-common.c (convert_and_check): Don't give warnings for
1852         conversion if 'expr' already overflowed.
1853         
1854 2007-03-04  Roger Sayle  <roger@eyesopen.com>
1856         PR middle-end/30744
1857         * fold-const.c (fold_comparison): Enforce type consistency when
1858         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
1860 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
1862         * tree-ssa-address.c (create_mem_ref): Do not put an expression
1863         containing a cast to the base of TARGET_MEM_REF.
1865 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
1867         * tree.c (tree_contains_struct_check_failed): Remove spurious
1868         whitespace from error message.
1870 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
1872         PR target/30406
1873         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
1874         instead of precision.
1876 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
1877             Nathan Sidwell  <nathan@codesourcery.com>
1879         * emit-rtl.c (find_auto_inc): New.
1880         (try_split): recreate REG_INC notes,
1881         Use regular for loops rather than whiles.
1883 2007-03-03  Andreas Schwab  <schwab@suse.de>
1885         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
1886         * configure: Regenerate.
1888 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1890         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
1891         flag_rounding_math, not flag_unsafe_math_optimizations.
1893         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
1894         fold_build2.
1895         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
1896         alpha_fold_vector_minmax): Likewise.
1897         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
1898         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
1900 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
1902         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
1903         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
1904         if the lhs has side-effects.
1905         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
1907 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
1909         * config/i386/i386.h (TUNEMASK): Remove define.
1910         (ARCHMASK): Remove define.
1911         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
1912          Use ix86_arch_mask variable instead of ARCHMASK.
1913         * config/i386/i386.c (override_options): Ditto.
1914         (standard_80387_constant_p): Ditto.
1916 2007-03-02  Ian Lance Taylor  <iant@google.com>
1918         Used signed infinities in VRP.
1919         * tree-vrp.c (uses_overflow_infinity): New static function.
1920         (supports_overflow_infinity): New static function.
1921         (make_overflow_infinity): New static function.
1922         (negative_overflow_infinity): New static function.
1923         (positive_overflow_infinity): New static function.
1924         (is_negative_overflow_infinity): New static function.
1925         (is_positive_overflow_infinity): New static function.
1926         (is_overflow_infinity): New static function.
1927         (overflow_infinity_range_p): New static function.
1928         (compare_values_warnv): New function split out of compare_values.
1929         (compare_value): Call it.
1930         (set_value_range_to_nonnegative): Add overflow_infinity
1931         parameter.  Change caller.
1932         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
1933         Change callers.
1934         (vrp_expr_computes_nonzero): Likewise.
1935         (compare_ranges, compare_range_with_value): Likewise.
1936         (compare_name_with_value, compare_names): Likewise.
1937         (vrp_evaluate_conditional): Likewise.
1938         (set_value_range): Handle infinity
1939         (vrp_operand_equal_p, operand_less_p): Likewise.
1940         (extract_range_from_assert): Likewise.
1941         (vrp_int_const_binop): Likewise.
1942         (extract_range_from_binary_expr): Likewise.
1943         (extract_range_from_unary_expr): Likewise.
1944         (extract_range_from_comparison): Likewise.
1945         (extract_range_from_expr): Likewise.
1946         (dump_value_range): Likewise.
1947         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
1948         (test_for_singularity): Likewise.
1949         (vrp_int_const_binop): Remove inline qualifier.
1950         (adjust_range_with_scev): Add comment.
1951         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1953 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
1955         * tree-ssa-structalias.c (could_have_pointers): Tidy.
1956         (get_constraint_for): Likewise.
1957         (do_structure_copy): Likewise.
1958         (find_func_aliases): Fix references to MODIFY_EXPR.
1959         (intra_create_variable_infos): Tidy.
1960         * tree-ssa-operands.c (add_virtual_operand): Add argument
1961         IS_CALL_SITE.
1962         When adding members of alias sets, if IS_CALL_SITE is true and
1963         the symbol is not call-clobbered, skip it.
1964         Adjust all callers.
1966 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
1968         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
1969         entry by means of emit_insn_at_entry.
1971 2007-03-02  Richard Henderson  <rth@redhat.com>
1973         * expr.h (promoted_input_arg): Remove decl.
1974         * function.c (promoted_input_arg): Merge into ...
1975         * combine.c (setup_incoming_promotions): ... only caller.
1976         Rearrange to avoid double loop.
1978 2007-03-02  Ben Elliston  <bje@au.ibm.com>
1979             Peter Bergner  <bergner@vnet.ibm.com>
1980             Janis Johnson  <janis187@us.ibm.com>
1982         * config/rs6000/dfp.md: New file.
1983         * config/rs6000/rs6000.md: Include dfp.md.
1984         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
1985         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
1986         and TDmode decimal float modes in FP registers.
1987         (num_insns_constant): Likewise.
1988         (rs6000_legitimate_offset_address_p): Likewise.
1989         (rs6000_legitimize_address): Likewise.
1990         (rs6000_legitimize_reload_address): Likewise.
1991         (rs6000_legitimate_address): Likewise.
1992         (rs6000_emit_move): Likewise.
1993         (function_arg_boundary): Likewise.
1994         (function_arg_advance): Likewise.
1995         (rs6000_darwin64_record_arg_recurse): Likewise.
1996         (function_arg): Likewise.
1997         (rs6000_gimplify_va_arg): Likewise.
1998         (rs6000_split_multireg_move): Likewise.
1999         (rs6000_output_function_epilogue): Likewise.
2000         (rs6000_output_function_epilogue): Likewise.
2001         (rs6000_register_move_cost): Likewise.
2002         (rs6000_function_value): Likewise.
2003         (rs6000_libcall_value): Likewise.
2005 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2007         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
2009 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
2011         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
2012         Use $MULTIDIR to choose between the kernel and RTP headers,
2013         and use $WIND_BASE and $WIND_USR to locate them.
2015 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2017         * config/i386/i386.c (override_options): Put initialization of
2018         ix86_tune_mask and ix86_arch_mask to the correct place.
2020 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
2021             Michael Meissner  <michael.meissner@amd.com>
2023         PR target/31019
2024         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
2025         (ARCHMASK): Define.
2026         (TARGET_CMOVE): Use ARCHMASK.
2027         (TARGET_CMPXCHG): Ditto.
2028         (TARGET_CMPXCHG8B): Ditto.
2029         (TARGET_XADD): Ditto.
2030         (TARGET_BSWAP): Ditto.
2031         * config/i386/i386.c (ix86_tune_mask): New global variable.
2032         (ix86_arch_mask): Ditto.
2033         (override_options): Initialize ix86_tune_mask and
2034         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
2035         target_flags.
2037 2007-03-02  Ben Elliston  <bje@au.ibm.com>
2039         PR 30992
2040         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
2042 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
2044         * target.h (init_dwarf_reg_sizes_extra): New target hook.
2045         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
2046         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
2047         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
2048         hook.
2049         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
2050         rs6000_init_dwarf_reg_sizes_extra): New.
2051         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
2052         SPE register high parts.
2054 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
2056         * Makefile.in: Add install-pdf target as
2057         copied from automake v1.10 rules.
2058         * configure.ac: Add install-pdf to target list.
2059         * configure: Regenerate.
2061 2007-03-01  Paul Brook  <paul@codesourcery.com>
2063         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
2064         modes to LDRD for DImode.
2065         (output_move_double): Fixup out of range ldrd/strd.
2066         (vfp_secondary_reload_class): Rename...
2067         (coproc_secondary_reload_class): ... to this.  Add wb argument.
2068         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
2069         coproc_secondary_reload_class for CLASS_IWMMXT.
2070         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
2071         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
2073 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
2075         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
2076         factor by the estimated number of iterations.
2077         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
2078         prefetch latency.
2080         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
2081         decode_caches_intel, detect_caches_intel): New functions.
2082         (host_detect_local_cpu): Use detect_caches_amd and
2083         detect_caches_intel.
2085 2007-03-01  Richard Henderson  <rth@redhat.com>
2087         * expr.c (emit_move_complex_push): Export.
2088         (emit_move_complex_parts): Split out from ...
2089         (emit_move_complex): ... here.
2090         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
2091         * config/i386/i386.md (movcdi): New.
2093 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
2095         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
2096         size of mode1 to check for tieable modes in MMX case.
2098 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
2100         * Makefile.in (rtlanal.o): Depend on tree.h.
2101         * rtl.h (offset_within_section_p, split_const): Declare.
2102         * rtlanal.c: Include tree.h.
2103         (offset_within_block_p): New function, taken from
2104         mips_offset_within_object_p.
2105         (split_const): New function, taken from mips_split_const.
2106         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
2107         Declare.
2108         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
2109         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
2110         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
2111         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
2112         (m68k_illegitimate_symbolic_constant_p): New function.
2113         * config/m68k/m68k.md (movsi): Remove misleading predicates.
2114         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
2115         symbolic constant that might be outside the symbol's section,
2116         move the symbol first and then add the offset.
2117         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
2118         Override.
2119         * config/mips/mips.c (mips_split_const): Delete.
2120         (mips_offset_within_object_p): Delete.
2121         (mips_symbolic_constant_p): Use offset_within_section_p and
2122         split_const instead of mips_offset_within_object_p and
2123         mips_split_const.
2124         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
2125         (mips_legitimize_const_move, print_operand_reloc)
2126         (mips_dangerous_for_la25_p): Use split_const instead of
2127         mips_split_const.
2129 2007-02-28  Eric Christopher  <echristo@apple.com>
2131         * Makefile.in (install-include-dir): Don't rm -rf include.
2133 2007-02-28  Richard Guenther  <rguenther@suse.de>
2135         PR middle-end/30364
2136         * fold-const.c (fold_binary): Do not associate expressions
2137         with more than one variable for integer types that do not wrap.
2139 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
2141         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
2142         Delete, and replace with...
2143         (fold_builtin_call_array): This.  Update callers to use it.
2144         * fold-const.c (fold_build_call_list): Delete, and replace with...
2145         (fold_build_call_array): This.
2146         (fold_build_call_list_initializer): Delete, and replace with...
2147         (fold_build_call_array_initializer): This.
2148         * tree.h: Update declarations to reflect above changes.
2150         * c-typeck.c (build_function_call): Store converted arguments
2151         in a stack-allocated array instead of building a list.
2152         (convert_arguments): Store arguments in the array passed in as an
2153         argument, and return the actual number of arguments.
2154         * c-format.c: (check_function_format): Pass arguments in an
2155         array instead of a list.
2156         * c-common.c (check_function_nonnull): Likewise.
2157         (check_function_sentinel): Likewise.
2158         (check_function_arguments): Likewise.
2159         * c-common.h: Update declarations to reflect above changes.
2161 2007-02-28  Jan Hubicka  <jh@suse.cz>
2163         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
2164         PRED_NEGATIVE_RETURN): Update outcomes.
2166 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2168         * calls.c (emit_library_call_value_1): Handle partial registers
2169         correctly when building up CALL_INSN_FUNCTION_USAGE.
2171 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2173         * pa/predicates.md (move_src_operand): Allow zero for mode.
2174         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
2175         move pattern.
2177 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
2179         PR target/30970
2180         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
2181         *movv2df_internal): Enable pattern only for valid operand
2182         combinations.
2183         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
2184         tie only 128bit modes. For MMX registers, tie only 64bit modes.
2186 2007-02-27  Mike Stump  <mrs@apple.com>
2188         * config/darwin-crt3.c: Avoid compilation when compiling for a
2189         kext multilib.
2191 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
2193         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
2194         FIXED_INCLUDE_DIR.
2195         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
2196         for fixed headers and limits.h.
2197         (install-include-dir, install-headers-tar, install-headers-cpio,
2198         install-headers-cp, real-install-headers-tar,
2199         real-install-headers-cpio, real-install-headers-cp): Handle
2200         include-fixed as well as include.
2201         (install-mkheaders): Don't install files that go only in include
2202         not include-fixed.
2203         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
2204         from GCC_INCLUDE_DIR.
2205         * gcc.c (process_command): Remove special -BstageN/ handling.
2206         (do_spec_1): Add include-fixed directories.
2208 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
2210         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
2211         _smulsi3_highpart.
2212         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
2213         New functions.
2214         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
2215         patterns.
2217 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
2219         * c-common.c (get_priority): Add check for
2220         SUPPORTS_INIT_PRIORITY.
2222 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
2224         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
2226         * config/bfin/bfin.c: Include "cfglayout.h".
2227         (MAX_LSETUP_DISTANCE): New macro.
2228         (struct loop_info): New members incoming, incoming_src and
2229         incoming_dest.  Delete member predecessor.
2230         (length_for_loop): New function.
2231         (bfin_optimize_loop): Handle more different loop structures.
2232         (bfin_discover_loop): Rework detection of predecessor blocks by
2233         examining incoming edges.
2234         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
2235         bfin_reorg_loops.
2236         (bfin_reorder_loops): New function.
2237         (bfin_reorg_loops): Use these three new functions.
2239         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
2240         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
2241         (CONSTRAINT_LEN): Add entry for 'q'.
2242         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
2243         Add 'q' constraints.
2244         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
2245         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
2247         * config/bfin/bfin.md (add_with_carry): New pattern.
2248         (s_or_u, su_optab, su_modifier): New code macros/attrs.
2249         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
2250         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
2251         support unsigned multiplies too.  Removed incorrect commutativity from
2252         operand 1 constraint where appropriate.
2253         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
2254         patterns.
2255         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
2256         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
2257         New patterns.
2258         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
2259         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
2260         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
2261         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
2262         usmulhisi_hh_huh): New patterns.
2264         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
2265         lshifthi3): Fix output template to use half reg for operand 2.
2267         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
2268         instead of R2.
2270         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
2272 2007-02-27  Andreas Schwab  <schwab@suse.de>
2274         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
2276 2007-02-27  Jan Hubicka  <jh@suse.cz>
2278         * predict.c (last_basic_block_p): Remove.
2279         (tree_estimate_probability): Update return heuristic for commonized
2280         return blocks.
2282 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
2284         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
2286 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
2288         * doc/include/gcc-common.texi (versionsubtitle): New macro.
2289         * doc/cpp.texi: Standardize title page.
2290         * doc/cppinternals.texi: Likewise.
2291         * doc/gcc.texi: Standardize title page, remove version number
2292         from copyright page.
2293         * doc/gccint.texi: Likewise.
2294         * doc/install.texi: Standardize title page, add table of
2295         contents.
2297 2007-02-26  Jan Hubicka  <jh@suse.cz>
2299         * predict.def: Set outcomes according to more recent results.
2300         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
2301         Remove dead predictors.
2302         * predict.c (return_prediction): Fix pasto.
2304 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
2306         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
2307         change; avoid a memory leak when returning early.
2309 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
2311         * c-decl.c (static_ctors): Move to c-common.c.
2312         (static_dtors): Likewise.
2313         (finish_function): Use c_record_cdtor_fn.
2314         (build_cdtor): Move to c-common.c.
2315         (c_write_global_declarations): Use c_build_cdtor_fns.
2316         * c-common.h (static_ctors): Declare.
2317         (static_dtors): Likewise.
2318         (c_record_cdtor_fn): Likewise.
2319         (c_build_cdtor_fns): Likewise.
2320         * c-common.c (static_ctors): New variable.
2321         (static_dtors): Likewise.
2322         (c_record_cdtor_fn): New function.
2323         (build_cdtor): Move from c-decl.c
2324         (c_build_cdtor_fns): New function.
2326         * output.h (assemble_addr_to_section): Declare.
2327         (get_cdtor_priority_section): Likewise.
2328         * varasm.c (assemble_addr_to_section): New function.
2329         (get_cdtor_priority_section): Likewise.
2330         (default_named_section_asm_out_destructor): Use them.
2331         (destor_dtor_section_asm_out_destructor): Likewise.
2332         (default_named_section_asm_out_constructor): Likewise.
2333         (default_ctor_section_asm_out_constructor): Likewise.
2334         * config.gcc (*-*-vxworks*): Include vxworks.o.
2335         * config/t-vxworks (vxworks.o): New target.
2336         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
2337         (TARGET_ASM_CONSTRUCTOR): Define.
2338         (TARGET_ASM_DESTRUCTOR): Likewise.
2339         (vxworks_asm_out_constructor): Declare.
2340         (vxworks_asm_out_destructor): Likewise.
2342         * c-common.c (get_priority): Check that we have not just an
2343         INTEGER_CST, but an integer constant with integeral type.
2345 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
2347         PR tree-optimization/30938
2348         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
2349         use &dt[nargs-1] instead of &dt[nargs] in the call to
2350         vect_is_simple_use().
2352 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
2354         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
2355         from register elimination as PRE_MODIFY / POST_MODIFY increments.
2356         Do not attempt to handle MEM inside auto-inc expressions.
2357         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
2358         of a register modified by an auto-inc expression.  However, do handle
2359         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
2360         (elimination_effects): Prohibit elimination of a register modified
2361         by an auto-inc expression.  Disable register elimination rules whose
2362         target register is modified by an auto-inc expression with variable
2363         increment.
2365 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
2367         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
2368         off-by-one error.
2369         (array_at_struct_end_p): New function.
2370         (idx_infer_loop_bounds): Use it.
2371         (estimate_numbers_of_iterations_loop): Export.
2372         * predict.c (predict_loops): Use estimated_loop_iterations_int.
2373         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
2374         (tree_estimate_probability): Call record_loop_exits.
2375         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
2376         (estimated_loop_iterations, estimated_loop_iterations_int,
2377         estimated_loop_iterations_tree): New functions.
2378         (analyze_siv_subscript_cst_affine,
2379         compute_overlap_steps_for_affine_1_2,
2380         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
2381         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
2382         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
2383         (PRED_LOOP_ITERATIONS_GUESSED): New.
2384         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
2385         * cfgloop.h (estimate_numbers_of_iterations_loop,
2386         estimated_loop_iterations_int): Declare.
2388 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
2390         * doc/extend.texi: Document optional priority argument to
2391         constructors and destructors.
2392         * tree.c (init_priority_for_decl): Adjust GTY markers.
2393         (init_ttree): Use priority-info hash functions for
2394         init_priority_for_decl.
2395         (tree_map_eq): Rename to ...
2396         (tree_map_base_eq): ... this.
2397         (tree_map_marked_p): Rename to ...
2398         (tree_map_base_marked_p): ... this.
2399         (tree_map_base_hash): New function.
2400         (decl_init_priority_lookup): Rework.
2401         (decl_fini_priority_lookup): New function.
2402         (decl_priority_info): New function.
2403         (decl_init_priority_insert): Use it.
2404         (decl_fini_priority_insert): Likewise.
2405         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
2406         hierarchy.
2407         (decl_restrict_base_insert): Likewise.
2408         (decl_debug_expr_insert): Likewise.
2409         (decl_value_expr_lookup): Likewise.
2410         (decl_value_expr_insert): Likewise.
2411         * tree.h (priority_type): New type.
2412         (decl_init_priority_lookup): Use priority_type.
2413         (decl_fini_priority_lookup): New function.
2414         (decl_init_priority_insert): Use priority_type.
2415         (decl_fini_priority_insert): New function.
2416         (DECL_HAS_INIT_PRIORITY): Tweak comments.
2417         (DECL_INIT_PRIORITY): Likewise.
2418         (SET_DECL_INIT_PRIORITY): Add comment.
2419         (DECL_FINI_PRIORITY): New macro.
2420         (SET_DECL_FINI_PRIORITY): Likewise.
2421         (DEFAULT_INIT_PRIORITY): Document.
2422         (MAX_INIT_PRIORITY): Likewise.
2423         (MAX_RESERVED_INIT_PRIORITY): Likewise.
2424         (tree_map_base): New type.
2425         (tree_map_base_eq): New function.
2426         (tree_map_base_hash): Likewise.
2427         (tree_map_base_marked_p): Likewise.
2428         (tree_map): Inherit from tree_map_base.
2429         (tree_map_eq): Make it a macro.
2430         (tree_map_marked_p): Likewise.
2431         (tree_int_map): Inherit from tree_map_base.
2432         (tree_int_map_eq): Make it a macro.
2433         (tree_int_map_hash): Likewise.
2434         (tree_int_map_marked_p): Likewise.
2435         (tree_priority_map): New type.
2436         (tree_priority_map_eq): New macro.
2437         (tree_priority_map_hash): Likewise.
2438         (tree_priority_map_marked_p): Likewise.
2439         * varasm.c (emults_decl): Adjust for refactoring of tree_map
2440         hierarchy.
2441         (emutls_common_1): Likewise.
2442         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
2443         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
2444         of tree_map hierarchy.
2445         * tree-cfg.c (move_stmt_r): Likewise.
2446         (new_label_mapper): Likewise.
2447         * c-tree.h (c_expand_body): Move to ...
2448         * c-common.h (c_expand_body): ... here.
2449         * c-decl.c (c_expand_body): Move to ...
2450         * c-common.c (c_expand_body): ... here.
2451         (c_common_attribute_table): Allow 1 argument for the constructor
2452         and destructor attributes.
2453         (get_priority): New function.
2454         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
2455         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
2457 2007-02-24  Jan Hubicka  <jh@suse.cz>
2459         PR middle-end/30509
2460         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
2462 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
2463             Jan Hubicka  <jh@suse.cz>
2465         PR target/30778
2466         * i386.c (counter_mode): New function.
2467         (expand_set_or_movmem_via_loop): Use it.
2468         (expand_movmem_epilogue): Likewise; fix pasto.
2469         (ix86_expand_movmem): Do emit guard even for constant counts.
2470         (ix86_expand_setmem): Likewise.
2472 2007-02-25  Nick Clifton  <nickc@redhat.com>
2474         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
2475         (JUMP_TABLES_IN_TEXT_SECTION): Define.
2477 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
2479         PR target/30770
2480         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
2481         count argument with 0x10, not with 0x16.
2482         (expand_setmem_epilogue): Ditto.
2484 2007-02-24  Mike Stump  <mrs@apple.com>
2486         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
2487         symbols.
2489 2007-02-24  Richard Guenther  <rguenther@suse.de>
2491         PR middle-end/30951
2492         * fold-const.c (fold_binary): Fold x +- CST op x for
2493         EQ_EXPR and NE_EXPR.
2495 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2497         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
2499 2007-02-24  Jan Hubicka  <jh@suse.cz>
2501         * cgraphunit.c (decide_is_function_needed): Honor
2502         -fkeep-inline-functions.
2504 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2506         * builtins.c (fold_builtin_modf): New.
2507         (fold_builtin_2): Use it.
2509 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2511         * loop-iv.c (implies_p): Detect additional cases where A implies B.
2512         (determine_max_iter): Take additional LOOP arg; all callers changed.
2513         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
2514         one using simplifications.
2515         (simplify_using_initial_values): Return if the expression becomes
2516         invalid due to altered regs.
2518 2007-02-23  DJ Delorie  <dj@redhat.com>
2520         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
2522 2007-02-23  Mike Stump  <mrs@apple.com>
2524         * tlink.c (scan_linker_output): Parse linker messages from
2525         darwin9's linker better.
2527 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
2529         PR debug/29614
2530         * varpool.c (varpool_assemble_pending_decls):  Set
2531         varpool_last_needed_node to null.
2533 2007-02-23  DJ Delorie  <dj@redhat.com>
2535         * config/i386/i386.c (ix86_data_alignment): Don't specify an
2536         alignment bigger than the object file can handle.
2538 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
2540         PR target/30825
2541         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
2542         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
2543         (*movsf_1): Penalize MMX moves.
2545 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
2547         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
2548         2^32-1 or more times unless flag_unsafe_loop_optimizations.
2550         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
2552 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2554         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
2555         (fold_builtin_1): Use them.
2556         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
2557         BUILT_IN_SIGNIFICAND.
2559 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
2561         * config/i386/i386.c (bdesc_1arg): Initialize
2562         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
2563         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
2564         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
2565         and IX86_BUILTIN_MOVSLDUP.
2567 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
2569         PR rtl-optimization/30841
2570         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
2572 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2574         * builtins.c (fold_builtin_frexp): New.
2575         (fold_builtin_2): Use it.
2577 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
2579         * doc/invoke.texi (Spec Files): Document getenv spec function.
2581         * gcc.c (getenv_spec_function): New function.
2582         (static_spec_functions): Add it.
2583         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
2584         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
2585         header files.
2587 2007-02-22  Michael Matz  <matz@suse.de
2589         PR c++/29433
2590         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
2591         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
2593 2007-02-22  Ian Lance Taylor  <iant@google.com>
2595         PR debug/30898
2596         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
2597         (mem_loc_descriptor): Call it.
2599 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
2600             Ira Rosen  <irar@il.ibm.com>
2602         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
2604 2007-02-22  Ira Rosen  <irar@il.ibm.com>
2606         PR tree-optimization/30843
2607         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
2608         stores only after all the group is vectorized.
2610 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
2612         PR tree-optimization/30858
2613         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
2614         in the reduction cycle have a single use in the loop.
2615         * tree-vectorizer.h (relevant): Add documentation.
2617 2007-02-20  Mike Stump  <mrs@apple.com>
2619         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
2620         * configure: Regenerate.
2622 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2624         Change the defaults of some parameters and options.
2625         * config/spu/spu-protos.h (spu_optimization_options): Declare.
2626         * config/spu/spu.c (spu_optimization_options): Add.
2627         (spu_override_options): Change params in spu_optimization_options.
2628         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
2630         Register 127 is only 16 byte aligned when used as a frame pointer.
2631         * config/spu/spu-protos.h (spu_init_expanders): Declare.
2632         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
2633         HARD_FRAME_POINTER_REGNUM.
2634         (spu_legitimate_address):  Use regno_aligned_for_reload.
2635         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
2636         aligned when frame_pointer_needed is true.
2637         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
2638         to 8 bits.
2639         * config/spu/spu.h (INIT_EXPANDERS): Define.
2641         Make sure shift and rotate instructions have valid immediate operands.
2642         * config/spu/predicates.md (spu_shift_operand): Remove.
2643         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
2644         * config/spu/constraints.md (W, O): Extend range.
2645         * config/spu/spu.md (umask, nmask): Define.
2646         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
2647         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
2648         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
2649         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
2650         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
2651         (lshr<mode>3_reg):  Fix rtl description.
2653         Make sure mulhisi immediate operands are valid.
2654         * config/spu/predicates.md (imm_K_operand): Add.
2655         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
2657         Generate constants using fsmbi and andi.
2658         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
2659         (print_operand, spu_split_immediate, classify_immediate,
2660         fsmbi_const_p): Handle IC_FSMBI2.
2662         Correctly handle a CONST_VECTOR containing symbols.
2663         * config/spu/spu.c (print_operand): Handle HIGH correctly.
2664         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
2665         (immediate_load_p): Allow symbols that use 2 instructions to create.
2666         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
2667         with symbols when flag_pic is set.
2668         (const_vector_immediate_p): New.
2669         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
2670         accept a CONST_VECTOR with symbols.
2671         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
2672         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
2673         correctly.
2674         * config/spu/spu.md (high, low): Delete.
2675         (low_<mode>): Define.
2677         Remove INTRmode and INTR_REGNUM, which didn't work.
2678         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
2679         of INTR_REGNUM.
2680         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
2681         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
2682         peephole2 pattern): Don't use INTR or 131.
2683         (movintrcc): Delete.
2684         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
2685         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
2686         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
2687         (UNSPEC_SET_INTR): Add.
2688         * config/spu/spu-modes.def (INTR): Remove.
2690         More accurate warnings about run-time relocations.
2691         * config/spu/spu.c (reloc_diagnostic): Test in_section.
2693         Correctly warn about immediate arguments to specific intrinsics.
2694         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
2695         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
2696         the instruction predicate.
2698         Fix tree check errors with latest update.
2699         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
2700         CALL_EXPR_ARG.
2701         (spu_expand_builtin): Use CALL_EXPR_FN.
2703         Add missing specific intrinsics.
2704         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
2705         si_bislede.
2706         * config/spu/spu_internals.h: Ditto.
2708         Fix incorrect operand modifiers.
2709         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
2710         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
2712         Optimize one case of zero_extend of a vec_select.
2713         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
2715         Accept any immediate for hbr.
2716         * config/spu/spu.md (hbr):  Change s constraints to i.
2718 2007-02-21  Paul Brook  <paul@codesourcery.com>
2720         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
2721         condexec_count when skipping USE and CLOBBER.
2723 2007-02-21  Nick Clifton  <nickc@redhat.com>
2725         * common.opt (Warray-bounds): Add Warning attribute.
2726         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
2727         Likewise.
2728         (fsized-zeroes): Add Optimization attribute.
2729         (fsplit-wide-types, ftree-scev-cprop): Likewise.
2730         * c.opt (Wc++0x-compat): Add Warning attribute.
2732 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
2734         PR middle-end/30761
2735         * reload1.c (eliminate_regs_in_insn): In the single_set special
2736         case, attempt to re-recognize the insn before falling back to
2737         having reload fix it up.
2739 2007-02-20  Eric Christopher  <echristo@gmail.com>
2741         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
2742         Rewrite accordingly.
2743         (frv_read_iacc_argument): Ditto.
2744         (frv_expand_set_builtin): Take a call instead of arglist, update for
2745         above changes.
2746         (frv_expand_unop_builtin): Ditto.
2747         (frv_expand_binop_builtin): Ditto.
2748         (frv_expand_cut_builtin): Ditto.
2749         (frv_expand_binopimm_builtin): Ditto.
2750         (frv_expand_voidbinop_builtin): Ditto.
2751         (frv_expand_int_void2arg): Ditto.
2752         (frv_expand_prefetches): Ditto.
2753         (frv_expand_voidtriop_builtin): Ditto.
2754         (frv_expand_voidaccop_builtin): Ditto.
2755         (frv_expand_load_builtin): Ditto.
2756         (frv_expand_store_builtin): Ditto.
2757         (frv_expand_mdpackh_builtin): Ditto.
2758         (frv_expand_mclracc_builtin): Ditto.
2759         (frv_expand_mrdacc_builtin): Ditto.
2760         (frv_expand_mwtacc_builtin): Ditto.
2761         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
2762         calls for above.
2764 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
2766         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
2767         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
2768         cmpb instruction.
2769         (HAVE_GAS_DFP): Check for assembler support of decimal floating
2770         point instructions.
2771         * configure: Regenerate.
2772         * config.in: Regenerate.
2773         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
2774         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
2775         masks to power6 and power6x and to POWERPC_MASKS.
2776         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2777         _ARCH_PWR6.
2778         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
2779         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
2780         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2781         Access PROTOTYPE as variable, not mask.
2783 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
2785         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
2786         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
2787         * combine.c (adjust_for_new_dest): Use it.
2788         * postreload.c (reload_combine): Likewise.
2790 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
2792         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
2793         notes on an insn with multiple sets, even if single_set returns
2794         non-NULL for that insn.
2796 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2798         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
2799         scalbn and scalbln.
2801 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
2803         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
2804         if user didn't pass it.
2805         * config/i386/darwin.h (CC1_SPEC): Likewise.
2806         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
2807         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
2808         -mmacosx-version-min.
2810 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2811             Uros Bizjak  <ubizjak@gmail.com>
2813         * optabs.h (enum optab_index): Add new OTI_scalb.
2814         (scalb_optab): Define corresponding macro.
2815         * optabs.c (init_optabs): Initialize scalb_optab.
2816         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
2817         patterns.
2818         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
2819         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
2820         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
2821         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
2822         flag_unsafe_math_optimizations is set.
2824         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
2825         to implement scalbf, scalb and scalbl built-ins as inline x87
2826         intrinsics.
2828 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2829             DJ Delorie <dj@redhat.com>
2831         PR other/30824
2832         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
2833         (diagnostic_report_diagnostic): ... here, and turn them into real
2834         errors. If warnings are inhibited, no need to do anything.
2836 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
2838         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
2839         better code generation.
2841 2007-02-20  Ben Elliston  <bje@au.ibm.com>
2843         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
2845 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
2847         * config/alpha/alpha.c, config/alpha/alpha.md,
2848         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
2849         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
2850         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
2851         config/arm/lib1funcs.asm: Follow spelling conventions.
2853         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
2854         config/fr30/fr30.md, config/i386/i386.h,
2855         config/iq2000/iq2000.h, config/iq2000/predicates.md,
2856         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
2857         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
2858         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
2859         config/rs6000/altivec.md, config/rs6000/rs6000.c,
2860         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
2861         config/sparc/sparc.c, config/sparc/sparc.h,
2862         config/sparc/sparc.md, config/spu/constraints.md,
2863         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
2864         conventions.
2866 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
2868         PR target/29943
2869         * varasm.c (use_blocks_for_decl_p): Return false for decls with
2870         alias attribute.
2872 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
2874         * doc/invoke.texi (-ftree-lrs): Remove.
2876 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
2878         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
2879         NULL.
2881 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
2883         * config/ia64/ia64.c (ia64_expand_builtin): Use the
2884         new CALL_EXPR_FN macro for retrieving the function
2885         declaration of the input expression.
2887 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2889         * c.opt (Waddress): New.
2890         * common.opt (Walways-true): Delete.
2891         (Wstring-literal-comparison): Delete.
2892         * doc/invoke.texi (Warning Options): Delete -Walways-true and
2893         -Wstring-literal-comparison. Add -Waddress.
2894         (Waddress): New.
2895         (Walways-true): Delete.
2896         (Wstring-literal-comparison): Delete.
2897         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
2898         consistently instead of -Walways-true in example.
2899         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
2900         * c-typeck.c (parser_build_binary_op): Replace
2901         -Wstring-literal-comparison and -Walways-true with -Waddress.
2902         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
2903         with -Waddress.
2905 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
2907         * tree-cfg.c (dump_function_to_file): Be prepared for functions
2908         without DECL_STRUCT_FUNCTION initialized.
2910 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
2912         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
2913         due to calls to functions taking pointers as parameters.
2915 2007-02-19  Richard Henderson  <rth@redhat.com>
2917         PR debug/29558
2918         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
2919         in memory.
2921 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2923         * config/s390/s390.c (s390_call_saved_register_used,
2924         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
2925         accessed to the new scheme.
2927 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
2929         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
2930         (cris_print_index, cris_print_operand, cris_print_operand_address)
2931         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
2932         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
2933         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
2934         GET_CODE () == xxx.
2935         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
2936         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
2937         GO_IF_LEGITIMATE_ADDRESS): Ditto.
2938         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
2939         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
2940         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
2941         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
2942         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
2943         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
2944         (uminsi3, call, call_value): Ditto.
2945         (define_split: indir_to_reg_split, unnamed): Ditto.
2947 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
2949         PR tree-optimization/30975
2950         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
2951         wrong assert.
2953 2007-02-18  Eric Christopher  <echristo@gmail.com>
2955         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
2956         Remove use of arglist.
2957         (mips_expand_builtin): Remove use of arglist, pass in expr.
2958         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
2959         (mips_expand_builtin_movtf): Ditto.
2960         (mips_expand_builtin_compare): Ditto.
2962 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
2964         * tree-sra.c (sra_build_assignment): Replace assertion
2965         checking with a comment explaining why it can't be done.
2967 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2969         PR middle-end/30833
2970         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
2971         during CALL_EXPR representation conversion.
2972         * tree-ssa-propagate.c (set_rhs): Likewise.
2974 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
2976         * tree-sra.c (sra_build_assignment): Disable assertion checking
2977         for now.
2979 2007-02-18  Roger Sayle  <roger@eyesopen.com>
2981         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
2982         instead of calling build2 with a GIMPLE_MODIFY_STMT.
2983         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
2984         Likewise.
2985         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
2986         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
2987         gimplify_init_ctor_eval_range, gimple_push_cleanup,
2988         gimplify_omp_for, gimplify_omp_atomic_pipeline,
2989         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
2990         force_gimple_operand): Likewise.
2991         * ipa-cp.c (constant_val_insert): Likewise.
2992         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2993         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
2994         perfect_nestify): Likewise.
2995         * langhooks.c (lhd_omp_assignment): Likewise.
2996         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
2997         lower_copyprivate_clauses, lower_send_clauses,
2998         lower_send_shared_vars, expand_parallel_call,
2999         expand_omp_for_generic, expand_omp_for_static_nochunk,
3000         expand_omp_for_static_chunk, expand_omp_sections,
3001         lower_omp_single_copy, lower_omp_for_lastprivate,
3002         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
3003         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
3004         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
3005         Likewise.
3007 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
3009         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
3010         config/sh/sh.md: Follow spelling conventions.
3012         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
3013         config/frv/predicates.md: Follow spelling conventions.
3015         * config/m68k/linux-unwind.h: Fix a comment typo.
3016         * target.h: Follow spelling conventions.
3018 2007-02-18  Roger Sayle  <roger@eyesopen.com>
3020         PR rtl-optimization/28173
3021         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
3022         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
3023         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
3024         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
3025         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
3027 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3029         * builtins.c (fold_builtin_load_exponent): New.
3030         (fold_builtin_2): Use it.
3032 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
3034         PR rtl-optimization/30773
3035         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
3036         if we fail to attach a REG_EQUIV note.
3038 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
3039             Roger Sayle  <roger@eyesopen.com>
3041         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
3043 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3045         * calls.c (initialize_argument_information): Pass original EXP
3046         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
3047         code to split complex arguments here, as part of initializing the
3048         ARGS array.
3049         (expand_call): Remove code that builds a list of arguments and
3050         inserts implicit arguments into it.  Instead, just count how many
3051         implicit arguments there will be so we can determine the size of
3052         the ARGS array, and let initialize_argument_information do the work.
3053         (split_complex_values): Delete unused function.
3055 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
3057         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
3059 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
3061         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
3062         for arg pointer based indexed addressing.
3064 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
3066         * config/ia64/ia64.h, config/ia64/ia64.md,
3067         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
3068         spelling conventions.
3070 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3072         * config/m68k/m68k.c (split_di): New.
3073         * config/m68k/m68k-protos.h: Declare split_di.
3074         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
3075           Improve predicate handling and split constant shifts.
3077 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3079         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
3080         parameter for register bitfield operations, general predicates
3081         cleanup
3083 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
3085         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
3086         * config/m68k/linux-unwind.h: New file.
3088 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
3090         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
3091         config/i386/athlon.md, config/ia64/ia64.md,
3092         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
3093         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
3094         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
3095         tree-ssa-loop-niter.c, tree-vect-analyze.c,
3096         tree-vect-transform.c: Fix comment typos.
3098 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
3100         * sched-deps.c (find_insn_list): Remove.
3101         * sched-int.h: Remove the prototype for find_insn_list.
3103 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
3105         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
3106         to linker.
3107         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
3108         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
3109         darwin_rs6000_override_options.
3110         (C_COMMON_OVERRIDE_OPTIONS): Expect
3111         darwin_macosx_version_min to be non-NULL always.
3112         (TARGET_C99_FUNCTIONS): Likewise.
3113         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
3114         (DARWIN_MINVERSION_SPEC): New.
3115         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
3116         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
3117         to cc1*.
3118         (DARWIN_MINVERSION_SPEC): New.
3119         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
3120         value.
3121         * config/darwin-c.c (darwin_cpp_builtins): Expect
3122         darwin_macosx_version_min to be non-NULL always.
3124         * config/rs6000/rs6000.c: Clean up trailing whitespace.
3126 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
3128         * config/i386/i386.h (x86_use_xchgb): New.
3129         (TARGET_USE_XCHGB): New macro.
3130         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
3131         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
3132         Split after reload into bswaphi for shifts of 8.
3133         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
3134         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
3135         or when optimizing for size.
3137 2007-02-16  Richard Guenther  <rguenther@suse.de>
3138             Christian Bruel  <christian.bruel@st.com>
3140         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
3141         DECLs but prefer SSA_NAMEs over DECLs.
3143 2007-02-16  Richard Guenther  <rguenther@suse.de>
3145         * tree-flow-inline.h (single_imm_use_p): Remove.
3146         (zero_imm_uses_p): Likewise.
3147         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
3148         instead of single_imm_use_p.
3149         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
3150         zero_imm_uses_p.
3152 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3154         PR other/27843
3155         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
3156         nested double- and backquotes.
3158 2007-02-15  Roger Sayle  <roger@eyesopen.com>
3160         PR middle-end/30391
3161         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
3162         should be unreachable.
3163         (build2_stat): Allow construction of MODIFY_EXPR at any time.
3164         For the time being redirect GIMPLE_MODIFY_STMT to the new
3165         (renamed) build_gimple_modify_stmt_stat.
3166         (build2_gimple_stat): Rename to...
3167         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
3168         Always build a GIMPLE_MODIFY_STMT node.
3169         * tree.h (build2_gimple, build2_gimple_stat): Delete.
3170         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
3171         declarations.
3173         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
3174         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
3175         * tree-complex.c (set_component_ssa_name, expand_complex_move,
3176         expand_complex_div_wide): Likewise.
3177         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
3178         * tree-ssa-loop-im.c (schedule_sm): Likewise.
3179         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
3180         * tree-ssa-loop-manip.c (create_iv): Likewise.
3181         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
3182         abs_replacement): Likewise.
3183         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
3184         realify_fake_stores): Likewise.
3186         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
3187         node rather than a GIMPLE_MODIFY_STMT node.
3188         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
3189         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
3190         Likewise.
3191         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
3192         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
3193         GIMPLE_MODIFY_STMT.
3195 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3197         PR middle-end/30433
3198         * fold-const.c (fold_comparison): Add back the
3199         folding of constant complex comparisions.
3201 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3203         PR middle-end/30729
3204         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
3205         effects unknown to this function, return early.
3207 2007-02-15  Ian Lance Taylor  <iant@google.com>
3209         * lower-subreg.c (move_eh_region_note): New static function.
3210         (resolve_simple_move): Call it.
3211         (decompose_multiword_subregs): Track blocks for which we resolve a
3212         simple move which is also a control flow insn.  Pass them to
3213         find_many_sub_basic_blocks.
3214         (pass_lower_subreg): Add TODO_verify_flow.
3215         (pass_lower_subreg2): Likewise.
3217 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3218             Brooks Moses  <brooks.moses@codesourcery.com>
3219             Lee Millward  <lee.millward@codesourcery.com>
3221         * tree.h (enum tree_code_class): Add tcc_vl_exp.
3222         (VL_EXP_CLASS_P): New.
3223         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
3224         TREE_CODE_LENGTH.
3225         (TREE_OPERAND_CHECK_CODE): Likewise.
3226         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
3227         (TREE_RTL_OPERAND_CHECK): Likewise.
3228         (tree_operand_check_failed): Make second parameter the whole tree
3229         instead of its code.  Fixed callers.
3230         (VL_EXP_CHECK): New.
3231         (TREE_OPERAND_LENGTH): New.
3232         (VL_EXP_OPERAND_LENGTH): New.
3233         (CALL_EXPR_FN): New.
3234         (CALL_EXPR_STATIC_CHAIN): New.
3235         (CALL_EXPR_ARGS): New.
3236         (CALL_EXPR_ARG): New.
3237         (call_expr_nargs): New.
3238         (CALL_EXPR_ARGP): New.
3239         (build_nt_call_list): Declare.
3240         (build_vl_exp_stat): Declare.
3241         (build_vl_exp): New.
3242         (build_call_list): Declare.
3243         (build_call_nary): Declare.
3244         (build_call_valist): Declare.
3245         (build_call_array): Declare.
3246         (call_expr_arg): Declare.
3247         (call_expr_argp): Declare.
3248         (call_expr_arglist): Declare.
3249         (fold_build_call_list): Declare.
3250         (fold_build_call_list_initializer): Declare.
3251         (fold_call_expr): Declare to replace fold_builtin.
3252         (fold_builtin_fputs): Update to agree with modified definition.
3253         (fold_builtin_strcpy): Likewise.
3254         (fold_builtin_strncpy): Likewise.
3255         (fold_builtin_memory_chk): Likewise.
3256         (fold_builtin_stxcpy_chk): Likewise.
3257         (fold_builtin_strncpy_chk): Likewise.
3258         (fold_builtin_next_arg): Likewise.
3259         (fold_build_call_expr): Declare.
3260         (fold_builtin_call_list): Declare.
3261         (fold_builtin_call_valist): Declare.
3262         (build_call_expr): Declare.
3263         (validate_arglist): Update to agree with modified definition.
3264         (tree_operand_length): New.
3265         (call_expr_arg_iterator): New.
3266         (init_call_expr_arg_iterator): New.
3267         (next_call_expr_arg): New.
3268         (first_call_expr_arg): New.
3269         (more_call_expr_args_p): New.
3270         (FOR_EACH_CALL_EXPR_ARG): New.
3272         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
3273         and tcc_gimple_stmt.
3274         (tree_code_size): Update documentation.  Use sizeof (tree) rather
3275         than sizeof (char *).
3276         (tree_size): Likewise.  Add case for tcc_vl_exp.
3277         (tree_node_structure): Add case for tcc_vl_exp.
3278         (contains_placeholder_p): Likewise.
3279         (substitute_in_expr): Likewise.
3280         (substitute_placeholder_in_expr): Likewise.
3281         (stabilize_reference_1): Likewise.
3282         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
3283         to diagnose breakage of this interface for constructing CALL_EXPRs.
3284         (build_nt): Add similar assertion here.
3285         (build_nt_call_list): New.
3286         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
3287         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
3288         TREE_CODE_LENGTH.
3289         (get_callee_fndecl): Use new CALL_EXPR accessors.
3290         (tree_operand_check_failed): Change parameters to pass entire node
3291         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
3292         (process_call_operands): New.
3293         (build_vl_exp_stat): New.
3294         (build_call_list): New.
3295         (build_call_nary): New.
3296         (build_call_valist): New.
3297         (build_call_array): New.
3298         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3299         (call_expr_arglist): New.
3301         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
3302         tcc_vl_exp instead of a fixed-size tcc_expression.
3304         * doc/c-tree.texi (CALL_EXPR): Document new representation and
3305         accessors for CALL_EXPRs.
3306         (AGGR_INIT_EXPR): Likewise.
3308 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3309             Brooks Moses  <brooks.moses@codesourcery.com>
3310             Lee Millward  <lee.millward@codesourcery.com>
3312         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
3313         (expand_builtin_nonlocal_goto): Change parameter to be entire
3314         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
3315         (expand_builtin_prefetch): Likewise.
3316         (expand_builtin_classify_type): Likewise.
3317         (mathfn_built_in): Return NULL_TREE instead of 0.
3318         (expand_errno_check): Use new CALL_EXPR accessors.
3319         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
3320         Return NULL_RTX instead of 0.
3321         (expand_builtin_mathfn_2): Likewise.
3322         (expand_builtin_mathfn_3): Likewise.
3323         (expand_builtin_interclass_mathfn): Likewise.
3324         (expand_builtin_sincos): Likewise.
3325         (expand_builtin_cexpi): Likewise.
3326         (expand_builtin_int_roundingfn): Likewise.
3327         (expand_builtin_int_roundingfn_2): Likewise.
3328         (expand_builtin_pow): Likewise.
3329         (expand_builtin_powi): Likewise.
3330         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
3331         of arglist, fixing callers appropriately.  Use new CALL_EXPR
3332         accessors and constructors.  Return NULL_RTX instead of 0.
3333         (expand_builtin_strstr): Likewise.
3334         (expand_builtin_strchr): Likewise.
3335         (expand_builtin_strrchr): Likewise.
3336         (expand_builtin_strpbrk): Likewise.
3337         (expand_builtin_memcpy): Likewise.
3338         (expand_builtin_mempcpy): Likewise.
3339         (expand_builtin_mempcpy_args): New.
3340         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
3341         (expand_builtin_memmove_args): New.
3342         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
3343         (expand_movstr): Likewise.
3344         (expand_builtin_strcpy): Likewise.
3345         (expand_builtin_strcpy_args): New.
3346         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
3347         (expand_builtin_strncpy): Likewise.
3348         (expand_builtin_memset): Likewise.
3349         (expand_builtin_memset_args): New.
3350         (expand_builtin_bzero): Similarly to expand_builtin_memset.
3351         (expand_builtin_memcmp): Likewise.
3352         (expand_builtin_strcmp): Likewise.
3353         (expand_builtin_strncmp): Likewise.
3354         (expand_builtin_strcat): Likewise.
3355         (expand_builtin_strncat): Likewise.
3356         (expand_builtin_strspn): Likewise.
3357         (expand_builtin_strcspn): Likewise.
3358         (expand_builtin_args_info): Likewise.
3359         (expand_builtin_va_start): Likewise.
3360         (gimplify_va_arg_expr): Likewise.
3361         (expand_builtin_va_end): Likewise.
3362         (expand_builtin_va_copy): Likewise.
3363         (expand_builtin_frame_address): Likewise.
3364         (expand_builtin_alloca): Likewise.
3365         (expand_builtin_bswap): Likewise.
3366         (expand_builtin_unop): Likewise.
3367         (expand_builtin_fputs): Likewise.
3368         (expand_builtin_expect): Likewise.
3369         (expand_builtin_fabs): Likewise.
3370         (expand_builtin_copysign): Likewise.
3371         (expand_builtin_printf): Likewise.
3372         (expand_builtin_fprintf): Likewise.
3373         (expand_builtin_sprintf): Likewise.
3374         (expand_builtin_init_trampoline): Likewise.
3375         (expand_builtin_signbit): Likewise.
3376         (expand_builtin_fork_or_exec): Likewise.
3377         (expand_builtin_sync_operation): Likewise.
3378         (expand_builtin_compare_and_swap): Likewise.
3379         (expand_builtin_lock_test_and_set): Likewise.
3380         (expand_builtin_lock_release): Likewise.
3381         (expand_builtin): Likewise.
3382         (builtin_mathfn_code): Likewise.
3384         (fold_builtin_constant_p): Pass call arguments individually instead
3385         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
3386         accessors and constructors.  Return NULL_TREE instead of 0.
3387         (fold_builtin_expect): Likewise.
3388         (fold_builtin_classify_type): Likewise.
3389         (fold_builtin_strlen): Likewise.
3390         (fold_builtin_nan): Likewise.
3391         (integer_valued_real_p): Likewise.
3392         (fold_trunc_transparent_mathfn): Likewise.
3393         (fold_fixed_mathfn): Likewise.
3394         (fold_builtin_cabs): Likewise.
3395         (fold_builtin_sqrt): Likewise.
3396         (fold_builtin_cbrt): Likewise.
3397         (fold_builtin_cos): Likewise.
3398         (fold_builtin_cosh): Likewise.
3399         (fold_builtin_tan): Likewise.
3400         (fold_builtin_sincos): Likewise.
3401         (fold_builtin_cexp): Likewise.
3402         (fold_builtin_trunc): Likewise.
3403         (fold_builtin_floor): Likewise.
3404         (fold_builtin_ceil): Likewise.
3405         (fold_builtin_round): Likewise.
3406         (fold_builtin_int_roundingfn): Likewise.
3407         (fold_builtin_bitop): Likewise.
3408         (fold_builtin_bswap): Likewise.
3409         (fold_builtin_logarithm): Likewise.
3410         (fold_builtin_hypot): Likewise.
3411         (fold_builtin_pow): Likewise.
3412         (fold_builtin_powi): Likewise.
3413         (fold_builtin_exponent): Likewise.
3414         (fold_builtin_memset): Likewise.
3415         (fold_builtin_bzero): Likewise.
3416         (fold_builtin_memory_op): Likewise.
3417         (fold_builtin_bcopy): Deleted; call site changed to invoke
3418         fold_builtin_memory_op directly.
3419         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
3420         (fold_builtin_strncpy): Likewise.
3421         (fold_builtin_memcmp): Likewise.
3422         (fold_builtin_strcmp): Likewise.
3423         (fold_builtin_strncmp): Likewise.
3424         (fold_builtin_signbit): Likewise.
3425         (fold_builtin_copysign): Likewise.
3426         (fold_builtin_isascii): Likewise.
3427         (fold_builtin_toascii): Likewise.
3428         (fold_builtin_isdigit): Likewise.
3429         (fold_builtin_fabs): Likewise.
3430         (fold_builtin_abs): Likewise.
3431         (fold_builtin_fmin_fmax): Likewise.
3432         (fold_builtin_carg): Likewise.
3433         (fold_builtin_classify): Likewise.
3434         (fold_builtin_unordered_cmp): Likewise.
3436         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
3437         New functions split out from fold_builtin_1.
3438         (fold_builtin_n): New.
3439         (fold_builtin_varargs): New.
3440         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
3441         instead.
3442         (fold_call_expr): New.
3443         (build_function_call_expr): Rewrite to use new helper function.
3444         (fold_builtin_call_list): New.
3445         (build_call_expr): New.
3446         (fold_builtin_call_valist): New.
3447         (rewrite_call_expr): New.
3448         (validate_arg): New.
3449         (validate_arglist): Change parameter to be entire CALL_EXPR instead
3450         of an arglist.  Change return type to bool.  Use new CALL_EXPR
3451         accessors.
3453         (fold_builtin_strstr):  Pass call arguments individually instead
3454         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
3455         accessors and constructors.  Return NULL_TREE instead of 0.
3456         (fold_builtin_strchr): Likewise.
3457         (fold_builtin_strrchr): Likewise.
3458         (fold_builtin_strpbrk): Likewise.
3459         (fold_builtin_strcat): Likewise.
3460         (fold_builtin_strncat): Likewise.
3461         (fold_builtin_strspn): Likewise.
3462         (fold_builtin_strcspn): Likewise.
3463         (fold_builtin_fputs): Likewise.
3464         (fold_builtin_next_arg): Likewise.
3465         (fold_builtin_sprintf): Likewise.
3467         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
3468         NULL_RTX instead of 0.
3469         (expand_builtin_memory_chk): Likewise.
3470         (maybe_emit_chk_warning): Likewise.
3471         (maybe_emit_sprintf_chk_warning): Likewise.
3473         (fold_builtin_object_size): Pass call arguments individually instead
3474         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
3475         accessors and constructors.  Return NULL_TREE instead of 0.
3476         (fold_builtin_memory_chk): Likewise.
3477         (fold_builtin_stxcpy_chk): Likewise.
3478         (fold_builtin_strncpy_chk): Likewise.
3479         (fold_builtin_strcat_chk): Likewise.
3480         (fold_builtin_strcat_chk): Likewise.
3481         (fold_builtin_strncat_chk): Likewise.
3482         (fold_builtin_sprintf_chk): Likewise.
3483         (fold_builtin_snprintf_chk): Likewise.
3484         (fold_builtin_printf): Likewise.
3485         (fold_builtin_vprintf): Likewise.
3487         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
3488         constructors.
3489         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
3490         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3491         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
3492         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
3493         (fold_unary): Likewise.
3494         (fold_binary): Likewise.
3495         (fold_ternary): Remove CALL_EXPR case, since they are no longer
3496         ternary expressions.
3497         (fold): Add logic for tcc_vl_exp.
3498         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
3499         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3500         (fold_build3_stat): Add assertion to flag broken interface for
3501         constructing CALL_EXPRs.
3502         (fold_build_call_list): New.
3503         (fold_build_call_list_initializer): New.
3504         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
3505         constructors.
3506         (fold_strip_sign_ops): Likewise.
3508 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3509             Brooks Moses  <brooks.moses@codesourcery.com>
3510             Lee Millward  <lee.millward@codesourcery.com>
3512         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
3513         accessors and dump arguments explicitly.
3515         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
3516         TREE_CODE_LENGTH.
3517         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
3518         explicitly.
3519         (print_call_name): Use new CALL_EXPR accessors.
3521         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
3522         CALL_EXPR arguments explicitly instead of as a list.  Use
3523         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3525         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
3526         (vrp_visit_stmt): Likewise.
3528         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
3529         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
3530         TREE_CODE_LENGTH.
3531         (force_move_till_expr): Likewise.
3533         * targhooks.c (default_external_stack_protect_fail): Use
3534         build_call_expr instead of build_function_call_expr.
3535         (default_hidden_stack_protect_fail): Likewise.
3537         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
3538         build the call.
3540         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
3541         and walk arguments explicitly.
3543         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
3544         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3545         (expand_simple_operations): Likewise.
3546         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
3548         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
3549         of TREE_CODE_LENGTH.
3550         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
3552         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
3553         instead of TREE_CODE_LENGTH.
3555         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
3556         (tree_ic_transform): Likewise.
3557         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
3558         parameter instead of arglist.  Fix callers.
3559         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
3560         (tree_stringops_transform): Likewise.
3561         (tree_indirect_call_to_profile): Likewise.
3562         (tree_stringops_values_to_profile): Likewise.
3564         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
3565         (eliminate_tail_call): Likewise.
3567         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
3569         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
3570         Use TREE_OPERAND_LENGTH and generalize to handle any number of
3571         operands.
3572         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
3574         * omp-low.c (build_omp_barrier): Use build_call_expr.
3575         (lower_rec_input_clauses): Likewise.
3576         (lower_reduction_clauses): Likewise.
3577         (expand_parallel_call): Likewise.
3578         (maybe_catch_exception): Likewise.
3579         (expand_omp_for_generic): Likewise.
3580         (expand_omp_for_static_nochunk): Likewise.
3581         (expand_omp_sections): Likewise.
3582         (lower_omp_single_simple): Likewise.
3583         (lower_omp_single_copy): Likewise.
3584         (lower_omp_master): Likewise.
3585         (lower_omp_ordered): Likewise.
3586         (lower_omp_critical): Likewise.
3588         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
3589         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
3591         * tree-gimple.c (is_gimple_call_addr): Fix doc.
3592         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
3593         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
3595         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
3596         and generalize to handle any number of operands.
3597         (chrec_contains_undetermined): Likewise.
3598         (tree_contains_chrecs): Likewise.
3599         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
3601         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
3603         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
3604         fold_call_expr instead of fold_builtin.
3605         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
3606         match declarations there.
3607         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
3608         updates.
3610         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
3611         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3613         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
3614         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
3616         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
3617         accessors.
3619         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
3620         (execute_cse_sincos): Use new CALL_EXPR accessors.
3622         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
3624         * gimple-low.c (lower_function_body): Use build_call_expr.
3625         (lower_builtin_setjmp): Likewise.
3627         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
3628         (set_storage_via_libcall): Likewise.
3629         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
3630         instead of TREE_CODE_LENGTH.
3631         (expand_expr_real_1): Use new CALL_EXPR accessors.
3633         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
3634         generalize to handle any number of operands.
3635         (TB_parent_eq): Likewise.
3637         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
3638         (strip_builtin_expect): Likewise.
3640         * function.c (gimplify_parameters): Use build_call_expr.
3642         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
3643         instead of TREE_CODE_LENGTH.
3645         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
3646         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
3648         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
3649         iterators.
3651         * gimplify.c (build_stack_save_restore): Use build_call_expr.
3652         (gimplify_decl_expr): Likewise.
3653         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
3654         Use new CALL_EXPR iterators.
3655         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
3656         (gimplify_modify_expr_to_memset): Likewise.
3657         (gimplify_variable_sized_compare): Likewise.
3658         (gimplify_omp_atomic_fetch_op): Likewise.
3659         (gimplify_omp_atomic_pipeline): Likewise.
3660         (gimplify_omp_atomic_mutex): Likewise.
3661         (gimplify_function_tree): Likewise.
3663         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
3664         (call_expr_flags): Likewise.
3665         (expand_call): Likewise.
3667         * except.c (expand_builtin_eh_return_data_regno): Pass entire
3668         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
3669         accessors.
3671         * coverage.c (create_coverage): Use build_call_expr.
3673         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
3674         (temp_call_expr_obstack): New.
3675         (pool_copy_list): Delete.
3676         (temp_copy_call_expr): New.
3677         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
3678         CALL_EXPR accessors.  Get rid of special goo for copying argument
3679         lists and use temp_copy_call_expr instead.
3680         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
3681         CALL_EXPR accessors.
3682         (create_expression_by_pieces): Likewise.  Use build_call_array
3683         to construct the result instead of fold_build3.
3684         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
3685         dealing with argument lists.
3686         (init_pre): Remove references to expression_node_pool and
3687         list_node_pool.  Init temp_call_expr_obstack instead.
3688         (fini_pre): Remove references to expression_node_pool and
3689         list_node_pool.
3691         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
3692         and walk arguments explicitly instead of as a list.
3694         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
3695         (mx_register_decls): Likewise.
3696         (mudflap_register_call): Likewise.
3697         (mudflap_finish_file): Likewise.
3699         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
3700         (ipa_callsite_compute_param): Likewise.
3702         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
3703         accessors and constructor.
3705         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
3706         accessors and constructor.
3707         (convert_tramp_reference): Likewise.
3708         (convert_call_expr): Likewise.
3709         (finalize_nesting_tree_1): Likewise.
3711         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
3712         accessors.
3714         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
3716         * tree-inline.c (initialize_inlined_parameters): Pass entire
3717         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
3718         accessors.
3719         (estimate_num_insns_1): Use new CALL_EXPR accessors.
3720         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
3722         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
3723         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3724         (vectorizable_reduction): Likewise.
3725         (vectorizable_call): Use new CALL_EXPR iterators.
3726         (vectorizable_conversion): Use build_call_expr.
3727         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
3728         (vect_gen_widened_results_half): Use build_call_expr.
3729         (vect_setup_realignment): Likewise.
3730         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
3732         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
3733         (pass_through_call): Likewise.
3734         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
3735         fold_builtin.
3737         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
3738         (tree_gen_pow2_profiler): Likewise.
3739         (tree_gen_one_value_profiler): Likewise.
3740         (tree_gen_ic_func_profiler): Likewise.
3741         (tree_gen_average_profiler): Likewise.
3742         (tree_gen_ior_profiler): Likewise.
3744         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
3745         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
3746         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
3748         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
3749         of TREE_CODE_LENGTH.
3751         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
3752         of TREE_CODE_LENGTH.
3754         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
3755         constructor.
3756         (convert_to_integer): Likewise.
3758         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
3759         accessors.
3761 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3762             Brooks Moses  <brooks.moses@codesourcery.com>
3763             Lee Millward  <lee.millward@codesourcery.com>
3765         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
3766         accessors.
3767         * config/frv/frv.c (frv_expand_builtin): Likewise.
3768         * config/s390/s390.c (s390_expand_builtin): Likewise.
3770         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
3771         (sparc_expand_builtin): Use new CALL_EXPR accessors.
3773         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
3774         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
3775         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
3776         (ix86_expand_store_builtin): Likewise.
3777         (ix86_expand_unop_builtin): Likewise.
3778         (ix86_expand_unop1_builtin): Likewise.
3779         (ix86_expand_sse_compare): Likewise.
3780         (ix86_expand_sse_comi): Likewise.
3781         (ix86_expand_vec_init_builtin): Likewise.
3782         (ix86_expand_vec_ext_builtin): Likewise.
3783         (ix86_expand_vec_set_builtin): Likewise.
3784         (ix86_expand_builtin): Use new CALL_EXPR accessors.
3786         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
3787         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
3789         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
3790         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
3791         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
3793         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
3794         build_call_expr.
3795         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
3796         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
3797         arglist.  Use new CALL_EXPR accessors.  Fix callers.
3798         (altivec_expand_abs_builtin): Likewise.
3799         (rs6000_expand_binop_builtin): Likewise.
3800         (altivec_expand_predicate_builtin): Likewise.
3801         (altivec_expand_lv_builtin): Likewise.
3802         (spe_expand_stv_builtin): Likewise.
3803         (altivec_expand_stv_builtin): Likewise.
3804         (rs6000_expand_ternop_builtin): Likewise.
3805         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
3806         (altivec_expand_st_builtin): Likewise.
3807         (altivec_expand_dst_builtin): Likewise.
3808         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
3809         arglist.  Use new CALL_EXPR accessors.  Fix callers.
3810         (altivec_expand_vec_set_builtin): Likewise.
3811         (altivec_expand_vec_ext_builtin): Likewise.
3812         (altivec_expand_builtin): Use new CALL_EXPR accessors.
3813         (spe_expand_builtin): Likewise.
3814         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
3815         arglist.  Use new CALL_EXPR accessors.  Fix callers.
3816         (spe_expand_evsel_builtin): Likewise.
3817         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
3818         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
3820         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
3821         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
3822         (arm_expand_unop_builtin): Likewise.
3823         (arm_expand_builtin): Use new CALL_EXPR accessors.
3825         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
3826         accessors.
3828         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
3829         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
3830         (bfin_expand_unop_builtin): Likewise.
3831         (bfin_expand_builtin): Use new CALL_EXPR accessors.
3833 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3834             Brooks Moses  <brooks.moses@codesourcery.com>
3835             Lee Millward  <lee.millward@codesourcery.com>
3837         * c-semantics.c (build_stmt): Add internal diagnostic check.
3839         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
3840         accessors.  Print arguments explicitly instead of as a list.
3842         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
3844         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
3845         (c_finish_omp_flish): Likewise.
3847         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
3848         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
3849         instead of TREE_CODE_LENGTH.
3850         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
3851         (c_warn_unused_result): Likewise.
3853 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3855         PR c/26494
3856         * doc/invoke.texi (Warning Options): Remove
3857         -Werror-implicit-function-declaration.
3858         (Wimplicit-function-declaration): Update description.
3859         * opts.c (common_handle_option): Move handling of -Werror=* to...
3860         (enable_warning_as_error): ...here.
3861         * opts.h (enable_warning_as_error): Declare.
3862         * c-decl.c (implicit_decl_warning): Unless
3863         -Wno-implicit-function-declaration is given, emit a pedwarn if
3864         -std=c99 or emit a warning if -Wimplicit-function-declaration.
3865         * c.opt (Wimplicit-function-declaration): Replace
3866         mesg_implicit_function_declaration with
3867         warn_implicit_function_declaration.
3868         * c-opts.c (c_common_handle_option):
3869         -Werror-implicit-function-declaration is exactly equal as
3870         -Werror=implicit-function-declaration.
3871         (set_Wimplicit): Replace mesg_implicit_function_declaration with
3872         warn_implicit_function_declaration.
3873         (c_common_post_options): -Wimplict-function-declaration is enabled
3874         by default by -std=c99, otherwise is disabled by default.
3875         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
3877 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
3879         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
3880         DECL on the rhs to a DECL on the lhs for debug info purposes if the
3881         former is ignored but not the latter.
3883 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
3885         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
3886         is made and the reference doesn't use the alias set of its type,
3887         do not create the temporary using that type.
3889 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
3891         * jump.c: Remove prototypes for delete_computation and
3892         delete_prior_computation.
3894 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
3896         * jump.c (get_label_after): Delete.
3897         (get_label_before, delete_computation, delete_jump,
3898         delete_prior_computation, follow_jumps): Move...
3899         * reorg.c (delete_computation, delete_prior_computation): ... here...
3900         (get_label_before, delete_jump): ... making these static ...
3901         (follow_jumps): ... and simplifying this since it only runs after
3902         reload.
3903         * rtl.h (get_label_after, get_label_before, delete_jump,
3904         follow_jumps): Delete prototypes.
3906 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
3908         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
3910 2007-02-15  Nick Clifton  <nickc@redhat.com>
3912         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
3913         order to prevent it from being munged by the target.
3915 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
3917         * config/i386/i386.md: Remove misleading comment.
3919 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
3921         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
3922         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
3923         invalid patterns.
3925 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
3927         * tree-sra.c (instantiate_missing_elements): Canonicalize
3928         bit-field types.
3929         (sra_build_assignment): New.
3930         (generate_copy_inout, generate_element_copy,
3931         generate_element_zero, generate_one_element_init): Use it.
3933 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
3935         * tree-sra.c (instantiate_missing_elements): Canonicalize
3936         bit-field types.
3937         (sra_build_assignment): New.
3938         (generate_copy_inout, generate_element_copy,
3939         generate_element_zero, generate_one_element_init): Use it.
3941 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
3943         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
3944         limbo die nodes.
3946 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
3948         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
3949         types as aggregates not scalars.
3950         * function.c (assign_stack_temp_for_type): Likewise.
3952 2007-02-14  Roger Sayle  <roger@eyesopen.com>
3953             Zdenek Dvorak  <dvorakz@suse.cz>
3955         * tree-dump.c (dump_switch_p_1): Require exact match of the option
3956         name.
3958 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
3960         * passes.c (next_pass_1): Clear the next field of the copied
3961         pass structure.
3963 2007-02-14  Richard Henderson  <rth@redhat.com>
3965         * tree-sra.c (early_sra): New.
3966         (decl_can_be_decomposed_p): Deny va_list if early_sra.
3967         (tree_sra_early, pass_sra_early): New.
3968         * tree-pass.h (pass_sra_early): Declare.
3969         * passes.c (init_optimization_passes): Use it.
3971 2007-02-14  Richard Guenther  <rguenther@suse.de>
3973         * flags.h (issue_strict_overflow_warning): Convert to a macro.
3975 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
3977          PR tree-optimization/30771
3978         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
3979         also phi nodes.
3980         (vect_analyze_operations): Induction phis can now be marked as
3981         used_in_loop.
3982         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
3983         Update documentation accordingly.
3985 2007-02-14  Nick Clifton  <nickc@redhat.com>
3987         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
3988         most 3 arguments are supported.
3989         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
3991 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
3993         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
3994         Ensure dst->current is valid.
3996 2007-02-13  Paul Brook  <paul@codesourcery.com>
3998         * config.gcc: Add arm*-*-uclinux-*eabi.
3999         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
4000         (SUBTARGET_EXTRA_LINK_SPEC): Define.
4001         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
4002         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
4003         (LINK_SPEC): Define.
4004         (LIB_SPEC): Define.
4005         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
4006         register.
4007         * config/arm/uclinux-eabi.h: New file.
4008         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
4009         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
4010         based targets.
4012 2007-02-13  Ian Lance Taylor  <iant@google.com>
4014         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
4015         * flags.h (warn_strict_overflow): Declare.
4016         (enum warn_strict_overflow_code): Define.
4017         (issue_strict_overflow_warning): New static inline function.
4018         * opts.c (warn_strict_overflow): New variable.
4019         (common_handle_option): Handle OPT_Wstrict_overflow and
4020         OPT_Wstrict_overflow_.
4021         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
4022         OPT_Wall.
4023         * fold-const.c: Include intl.h.
4024         (fold_deferring_overflow_warnings): New static variable.
4025         (fold_deferred_overflow_warning): New static variable.
4026         (fold_deferred_overflow_code): New static variable.
4027         (fold_defer_overflow_warnings): New function.
4028         (fold_undefer_overflow_warnings): New function.
4029         (fold_undefer_and_ignore_overflow_warnings): New function.
4030         (fold_deferring_overflow_warnings_p): New function.
4031         (fold_overflow_warning): New static function.
4032         (make_range): Add strict_overflow_p parameter.  Change all
4033         callers.
4034         (extract_muldiv, extract_muldiv_1): Likewise.
4035         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
4036         tree_expr_nonnegative_p.
4037         (fold_negate_expr): Call fold_overflow_warning.
4038         (fold_range_test): Likewise.
4039         (fold_comparison): Likewise.
4040         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
4041         instead of tree_expr_nonnegative_p.
4042         (tree_expr_nonnegative_warnv_p): Rename from
4043         tree_expr_nonnegative_p, add strict_overflow_p parameter.
4044         (tree_expr_nonnegative_p): New function.
4045         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
4046         strict_overflow_p parameter.
4047         (tree_expr_nonzero_p): New function.
4048         * passes.c (verify_interpass_invariants): New static function.
4049         (execute_one_pass): Call it.
4050         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
4051         warnings.
4052         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
4053         (estimate_numbers_of_iterations): Likewise.
4054         (scev_probably_wraps_p): Likewise.
4055         * tree-ssa-ccp.c: Include "toplev.h".
4056         (evaluate_stmt): Defer fold overflow warnings until we know we are
4057         going to optimize.
4058         (struct fold_stmt_r_data): Add stmt field.
4059         (fold_stmt_r): Defer fold overflow warnings until we know we
4060         optimized.
4061         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
4062         (fold_stmt_inplace): Likewise.
4063         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
4064         (cleanup_control_expr_graph): Defer fold overflow warnings until
4065         we know we are going to optimize.
4066         * tree-cfg.c (fold_cond_expr_cond): Likewise.
4067         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
4068         Likewise.
4069         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
4070         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
4071         * tree-ssa-loop-manip.c (create_iv): Likewise.
4072         * c-typeck.c (build_conditional_expr): Likewise.
4073         (build_binary_op): Likewise.
4074         * tree-vrp.c (vrp_expr_computes_nonzero): Call
4075         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
4076         (extract_range_from_unary_expr): Likewise.
4077         * simplify-rtx.c (simplify_const_relational_operation): Warn when
4078         assuming that signed overflow does not occur.
4079         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
4080         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
4081         (fold_defer_overflow_warnings): Declare.
4082         (fold_undefer_overflow_warnings): Declare.
4083         (fold_undefer_and_ignore_overflow_warnings): Declare.
4084         (fold_deferring_overflow_warnings_p): Declare.
4085         (tree_expr_nonzero_warnv_p): Declare.
4086         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
4087         of warning options.
4088         (Warning Options): Document -Wstrict-overflow.
4089         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
4090         (tree-ssa-ccp.o): Likewise.
4091         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
4092         (fold-const.o): Depend on intl.h.
4094 2007-02-13  Ian Lance Taylor  <iant@google.com>
4096         PR middle-end/30751
4097         * lower-subreg.c (resolve_simple_move): Decompose subregs in
4098         addresses.
4100 2007-02-13  Stuart Hastings  <stuart@apple.com>
4102         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
4104 2007-02-13  Richard Henderson  <rth@redhat.com>
4106         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
4107         handled_component_p before looking for the indirect_ref.
4109 2007-02-13  Richard Henderson  <rth@redhat.com>
4111         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
4112         remove flags clobber.
4113         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
4114         (bswaphi_lowpart): New.
4115         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
4116         remove TARGET_BSWAP test.  Delete expander of the same name.
4118         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
4119         (expand_unop): Use them.
4121 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
4123         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
4124         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
4125         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
4126         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
4127         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
4128         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
4129         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
4130         assembler dialect choice from asm templates.
4132 2007-02-12  Richard Henderson  <rth@redhat.com>
4134         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
4135         (fixuns_trunc<SSEMODEF>si2): Use it.
4136         * config/i386/sse.md (vec_setv4sf_0): Export.
4137         * config/i386/i386.c (ix86_build_const_vector): Export.
4138         (ix86_split_convert_uns_si_sse): Rename from
4139         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
4140         * config/i386/i386-protos.h: Update.
4142 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4144         PR c/29521
4145         * c-typeck.c (c_finish_return): Improve warning message.
4147 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4149         * alias.c (find_symbolic_term): Delete unused function.
4151 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
4153         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
4154         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
4155         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
4157 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
4159         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
4160         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
4161         the function, temporarily point the debug interface to the null one.
4163 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
4165         * dwarf2out.c (round_up_to_align): New static function.
4166         (field_byte_offset): Use it to round the offset.
4168 2007-02-12  Richard Henderson  <rth@redhat.com>
4170         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
4171         (inswl_const): Export.
4173 2007-02-12  Richard Henderson  <rth@redhat.com>
4175         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
4176         result mode of the libcall, convert back to outmode.
4178 2007-02-12  Roger Sayle  <roger@eyesopen.com>
4180         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
4181         (bswapdi2): New define_expand to implement 32-bit implementation.
4183 2007-02-12  Nick Clifton  <nickc@redhat.com>
4185         * doc/invoke.texi (Overall Options): Document --help=.
4186         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
4187         (cc1_options): Pass --help= on to cc1.
4188         (display_help): Add description of --help=.
4189         (process_command): Add code to handle --help=.  Allow translated
4190         --help and --target-help switches to be passed on to compiler
4191         sub-process.
4192         (main): Remove unused if statement.
4193         * opts.c (columns): Remove.
4194         (LEFT_COLUMN): Define.
4195         (wrap_help): Add columns argument.
4196         (print_filtered_help): Change parameters to be an include bitmask,
4197         an exclude bitmask, an any bitmask and the column width.  Move the
4198         code to display the params list here.  Add code to display the
4199         status of options rather than their descriptions if the quiet flag
4200         is not active.
4201         (print_specific_help): Change parameters to be an include bitmask,
4202         an exclude bitmask and an any bitmask.  Move code to look up the
4203         column width here.  Decide upon the title for an options listing.
4204         (common_handle_options): Add code to handle --help=.  Adapt code
4205         for --help and --target-help to use the revised form of the
4206         print_specific_help function.
4207         (print_help): Delete.
4208         (print_param_help): Delete.
4209         (print_switch): Delete.
4210         * opts.h (cl_lang_count): Add prototype.
4211         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
4212         CL_MAX_OPTION_CLASS): New defines.
4213         * optc-gen.awk: Add construction of cl_lang_count.
4214         * c.opt: Add Warning attribute to warning options and Optimization
4215         attribute to optimization options.
4216         * common.opt: Likewise.
4217         Add --help=.
4218         Add -fhelp and -ftarget-help as aliases for the transformed --help
4219         and --target-help options.
4220         * opt-functions.awk: Add code to handle Warning and Optimization
4221         attributes.
4223 2007-02-12  Richard Henderson  <rth@redhat.com>
4225         * config/alpha/constraints.md: New file.
4226         * config/alpha/alpha.c: Include tm-constrs.h.
4227         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
4228         alpha_extra_constraint): Remove.
4229         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
4230         * config/alpha/alpha-protos.h: Update.
4231         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
4232         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
4233         (EXTRA_CONSTRAINT): Remove.
4234         * config/alpha/alpha.md: Include constraints.md.
4235         (adddi splitter): Use satisfies_constraint_*.
4236         * config/alpha/predicates.md (add_operand): Likewise.
4237         (sext_add_operand, addition_operation): Likewise.
4239 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
4241         PR tree-optimization/29145
4242         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
4243         in our handling of restrict qualified pointers.
4245 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4247         PR middle-end/7651
4248         * doc/invoke.texi (Wunused-value): Update description.
4249         (Wextra): Delete item.
4250         * opts.c (set_Wextra): Don't use the value of Wextra to set the
4251         value of Wunused-value.
4252         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
4253         (c_finish_stmt_expr): Don't check extra_warnings.
4254         (emit_side_effect_warnings): The caller is responsible to check
4255         warn_unused_value.
4257 2007-02-11  Roger Sayle  <roger@eyesopen.com>
4258             Matt Thomas  <matt@3am-software.com>
4260         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
4262 2007-02-11  Roger Sayle  <roger@eyesopen.com>
4264         * simplify-rtx.c (simplify_relational_operation_1): Optimize
4265         comparisons of POPCOUNT against zero.
4266         (simplify_const_relational_operation): Likewise.
4268 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4270         * doc/invoke.texi (Wextra): Delete outdated paragraph.
4272 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4274         * dwarf2out.c (root_type): Delete unused function.
4276 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4278         * genattrtab.c (contained_in_p): Delete unused function.
4279         (write_expr_attr_cache): Likewise.
4281 2007-02-11  Jan Hubicka  <jh@suse.cz>
4283         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
4284         previous patch.
4286 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
4288         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
4289         to add the REG_EQ* note.
4290         * see.c (see_merge_one_use_extension): Likewise.
4291         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
4292         turn REG_EQUAL notes into REG_EQUIV notes if the target
4293         register may have more than one set.
4294         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
4295         * gcse.c (try_replace_reg): Likewise.
4296         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
4297         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
4298         more than one REG_EQUIV note.
4299         * reload1.c (gen_reload): Use set_unique_reg_note.
4301 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
4303         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
4304         (ix86_builtin_conversion): New function.
4306 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
4308         PR target/29487
4309         * tree.h (DECL_REPLACEABLE_P): New macro.
4310         * except.c (set_nothrow_function_flags): Likewise.
4312 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
4313             Ira Rosen  <irar@il.ibm.com>
4314             Dorit Nuzman  <dorit@il.ibm.com>
4316         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
4317         * targhooks.c (default_builtin_vectorized_conversion): New.
4318         * targhooks.h (default_builtin_vectorized_function): New declaration.
4319         * target.h (struct vectorize): Add builtin_conversion field.
4320         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
4321         stmt_vec_info_type value.
4322         (vectorizable_conversion): New declaration.
4323         * tree-vect-analyze.c (vect_analyze_operations): Add
4324         vectorizable_conversion call.
4325         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
4326         * tree-vect-transform.c (vectorizable_conversion): New function.
4327         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
4328         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4329         mode.
4330         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
4331         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
4332         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
4333         or ALTIVEC_BUILTIN_VCFSX.
4335 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4337         PR target/30634
4338         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
4339         CONST_DOUBLE and operand 0 is a hard register.
4340         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
4341         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
4342         is a hard floating-point register.
4344 2007-02-10  Richard Henderson  <rth@redhat.com>
4345             Jakub Jelinek  <jakub@redhat.com>
4346             Alexandre Oliva  <aoliva@redhat.com>
4348         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
4349         * builtin-types.def (BT_WORD): Make unsigned.
4350         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4351         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4352         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4353         * c-decl.c (grokdeclarator): Don't error if !have_tls.
4354         * c-parser.c (c_parser_omp_threadprivate): Likewise.
4355         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4356         emulated tls.
4357         * expr.c (emutls_var_address): New.
4358         (expand_expr_real_1): Expand emulated tls.
4359         (expand_expr_addr_expr_1): Likewise.
4360         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4361         * output.h (emutls_finish): Declare.
4362         * toplev.c (compile_file): Call it.
4363         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4364         address before wrapping in CONST.
4365         * varasm.c (emutls_htab, emutls_object_type): New.
4366         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4367         (get_emutls_object_name, get_emutls_object_type): New.
4368         (get_emutls_init_templ_addr, emutls_decl): New.
4369         (emutls_common_1, emutls_finish): New.
4370         (assemble_variable): When emulating tls, swap decls; generate
4371         constructor for the emutls objects.
4372         (do_assemble_alias): When emulating tls, swap decl and target name.
4373         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4374         for emulated tls.
4375         * varpool.c (decide_is_variable_needed): Look at force_output.
4376         Recurse for emulated tls.
4377         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
4378         with decide_is_variable_needed.
4379         * emutls.c: New file.
4380         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4381         tls_object for real tls.
4383 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4385         PR rtl-optimization/29599
4386         * reload1.c (eliminate_regs_in_insn): Take the destination
4387         mode into account when computing the offset.
4389 2007-02-09  Stuart Hastings  <stuart@apple.com>
4390             Richard Henderson  <rth@redhat.com>
4392         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
4393         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
4394         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
4395         fixuns_truncdfhi2): New.
4396         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
4397         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
4398         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
4399         (floatunssidf2): Allow nonimmediate source.
4400         * gcc/config/i386/sse.md (movdi_to_sse): New.
4401         (vec_concatv2di): Drop '*'.
4402         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
4403         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
4404         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
4405         New.
4406         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
4407         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
4408         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
4409         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
4410         (ix86_build_signbit_mask): Fix decl of v, refactor to call
4411         ix86_build_const_vector.
4412         (x86_emit_floatuns): Rewrite.
4414 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4416         * genautomata.c (longest_path_length): Delete unused function.
4417         (struct state): Delete unused longest_path_length.
4418         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
4419         (get_free_state): Delete unused.
4421 2007-02-09  Jan Hubicka  <jh@suse.cz>
4423         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
4424         * doc/invoke.texi (inline-unit-growth): Update default value.
4426         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
4427         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
4428         (rebuild_cgraph_edges): Likewise.
4429         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
4430         (dump_cgraph_node): Dump frequencies.
4431         (cgraph_clone_edge): Add frequency scales.
4432         (cgraph_clone_node): Add freuqnecy.
4433         * cgraph.h (cgraph_edge): Add freuqnecy argument.
4434         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
4435         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
4436         * tree-pass.h (TODO_rebuild_frequencies): New constant.
4437         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
4438         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
4439         (save_inline_function_body): Likewise.
4440         * ipa-inline.c: inluce rtl.h
4441         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
4442         (cgraph_edge_badness): Use frequencies.
4443         (cgraph_decide_recursive_inlining): Update clonning.
4444         (cgraph_decide_inlining_of_small_function): Dump frequency.
4445         * predict.c (estimate_bb_frequencies): Export.
4446         * predict.h (estimate_bb_frequencies): Declare.
4447         * tree-inline.c (copy_bb): Watch overflows.
4448         (expand_call_inline): Update call of cgraph_create_edge.
4449         (optimize_inline_calls): Use TODO flags to update frequnecies.
4450         * passes.h: Include predict.h
4451         (init_optimization_passes): Move profile ahead.
4452         (execute_function_todo): Handle TODO_rebuild_frequencies.
4454 2007-02-09  Roger Sayle  <roger@eyesopen.com>
4456         * config/alpha/alpha.c (emit_insxl): Force the first operand of
4457         the insbl or inswl pattern into a register.
4459 2007-02-09  Roger Sayle  <roger@eyesopen.com>
4461         * config/ia64/ia64.md (bswapdi2): New define_insn.
4463 2007-02-09  Richard Henderson  <rth@redhat.com>
4465         * config/i386/constraints.md (Ym): New constraint.
4466         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
4467         (movdi_1_rex64): Split sse and xmm general register moves from
4468         memory move alternatives.  Use conditional register constraints.
4469         (movsf_1, movdf_integer): Likewise.
4470         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
4471         (movdf_integer_rex64): New.
4472         (pushsf_rex64): Fix output constraints.
4473         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
4474         (sse2_stored): Likewise.
4475         (sse2_storeq_rex64): New.
4476         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
4477         amd and not generic.
4478         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
4479         for optimize_size.  Remove SF/DFmode hack.
4481 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4483         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
4484         (bit_SSE4a): New.
4486 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
4487             Richard Sandiford  <richard@codesourcery.com>
4489         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
4490         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
4491         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
4492         m68k/t-mlib to tmake_file.
4493         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
4494         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
4495         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
4496         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
4497         variable is not empty, add t-$m68k_arch_family to tmake_file.
4498         Add t-mlibs to tmake_file.
4499         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
4500         * config/m68k/t-cf: New file.
4501         * config/m68k/t-m68k: Likewise.
4502         * config/m68k/t-mlibs: Likewise.
4503         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4504         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
4505         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
4506         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4507         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
4508         Delete.
4509         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
4510         (INSTALL_LIBGCC): Delete.
4511         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
4512         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4513         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
4514         (M68K_MLIB_CPU): Define.
4515         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
4516         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
4517         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
4519 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
4520             Richard Guenther  <rguenther@suse.de>
4522         PR middle-end/23361
4523         * fold-const.c (fold_comparison): Handle obfuscated comparisons
4524         against INT_MIN/INT_MAX.
4525         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
4526         file if a loop is removed.
4528 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
4530         * calls.c (store_one_arg): Pass correct alignment to
4531         emit_push_insn for non-BLKmode values.
4532         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
4533         unaligned stack slot via a suitably aligned slot.
4535 2007-02-08  DJ Delorie  <dj@redhat.com>
4537         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
4538         warnings.
4539         (legal_subregs): Use unsigned char, make const.
4540         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
4542 2007-02-08  Paul Brook  <paul@codesourcery.com>
4544         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
4545         special interworking needed.
4547 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
4549         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
4550         conditional to __SSE2__.
4551         (Entries below should have been added to first ChangeLog
4552         entry for amdfam10 dated 2007-02-05)
4553         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
4554         defined.
4555         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
4556         defined.
4557         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
4558         defined.
4560 2007-02-08  DJ Delorie  <dj@redhat.com>
4562         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
4563         * config/m32c/m32c.c (legal_subregs): New.
4564         (m32c_illegal_subreg_p): New.
4565         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
4566         unsupported subregs of hard regs.
4568 2007-02-08  Jan Hubicka  <jh@suse.cz>
4570         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
4571         the same one; always update histograms.
4573 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
4575         * passes.c (init_optimization_passes): Tidy comment.
4577 2007-02-08  Roger Sayle  <roger@eyesopen.com>
4579         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
4580         strip zero_extend, bswap and rotates from POCOUNT's argument.
4581         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
4582         zero_extend and rotates from PARITY's argument.
4583         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
4584         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
4585         of an integer constant at compile-time.
4587 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
4589         PR 30562
4590         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
4591         Update all users.
4592         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
4593         users.
4594         (init_alias_info):
4595         * tree-ssa-live.c (remove_unused_locals): Do not remove
4596         TREE_ADDRESSABLE variables.
4597         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
4598         * tree-ssa-operands.c (add_virtual_operand): Remove argument
4599         FOR_CLOBBER.  Update all users.
4600         If VAR has an associated alias set, add a virtual operand for
4601         it if no alias is found to conflict with the memory reference.
4603 2007-02-07  Jan Hubicka  <jh@suse.cz>
4604             Robert Kidd <rkidd@crhc.uiuc.edu>
4606         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
4608 2007-02-07  Ian Lance Taylor  <iant@google.com>
4610         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
4612 2007-02-07  Roger Sayle  <roger@eyesopen.com>
4614         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
4615         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
4616         tablejumpdi, movsi_to_cr_one): Remove constraints from
4617         define_expand's match_operands.
4619 2007-02-07  Roger Sayle  <roger@eyesopen.com>
4621         * global.c (compute_regsets): Move declatation of "i" inside of
4622         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
4624 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
4626         PR c++/30703
4627         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
4628         of INDIRECT_REF <RESULT_DECL>.
4630         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
4632 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
4633             Kaz Kojima  <kkojima@gcc.gnu.org>
4635         PR target/29746
4636         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
4637         properly.
4638         (sh_initialize_trampoline): Add parentheses to avoid a warning.
4640 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
4642         * doc/loop.texi: Document possibility not to perform disambiguation
4643         of loops with multiple latches.
4644         * cfgloopmanip.c (alp_enum_p): Removed.
4645         (add_loop): Handle subloops.  Use get_loop_body_with_size.
4646         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
4647         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
4648         the new forwarder block.
4649         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
4650         Handle the case latch is NULL.
4651         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
4652         when marking loop exits.
4653         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
4654         be modified.
4655         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
4656         disambiguate_loops_with_multiple_latches.
4657         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
4658         before fix_loop_structure.
4659         * cfgloop.c: Include pointer-set.h and output.h.
4660         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
4661         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
4662         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
4663         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
4664         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
4665         disambiguate_multiple_latches, get_loop_body_with_size,
4666         disambiguate_loops_with_multiple_latches): New functions.
4667         (flow_loop_dump): Dump multiple latch edges.
4668         (flow_loop_nodes_find): Handle loops with multiple latches.
4669         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
4670         (glb_enum_p): Modified.
4671         (get_loop_body): Use get_loop_body_with_size.
4672         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
4673         (AVOID_CFG_MODIFICATIONS): New constant.
4674         (disambiguate_loops_with_multiple_latches, add_loop,
4675         get_loop_body_with_size): Declare.
4676         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
4678 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
4680         PR inline-asm/28686
4681         * global.c (compute_regsets): New function.
4682         (global_alloc): Refactored ELIMINABLE_REGSET
4683         and NO_GLOBAL_ALLOC_REGS computation out.
4684         (rest_of_handle_global_alloc): Call compute_regsets()
4685         for non-optimizing case.
4687 2007-02-06  Richard Henderson  <rth@redhat.com>
4689         * config/i386/constraints.md (Y2): Rename from Y.
4690         (Yi): New constraint.
4691         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
4692         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
4693         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
4694         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
4695         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
4696         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
4697         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
4698         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
4699         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
4700         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
4701         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
4702         vec_extractv2si_1): Change Y constraints to Y2.
4703         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
4704         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
4705         Change Y constraints to Y2.
4706         (sse2_loadld): Change Y constraints to x.
4708 2007-02-06  Roger Sayle  <roger@eyesopen.com>
4710         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
4711         (parity<mode>2): New define_expand using rs6000_emit_parity.
4712         * config/rs6000/rs6000.c (rs6000_emit_popcount,
4713         rs6000_emit_parity): New functions.
4714         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
4715         rs6000_emit_parity): Prototype here.
4717 2007-02-06  Ian Lance Taylor  <iant@google.com>
4719         * lower-subreg.c (simple_move_operand): Reject CONST.
4720         (resolve_clobber): Call validate_change rather than directly
4721         assigning to XEXP (pat, 0).
4723 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
4725         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
4726         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
4727         (tree-cfg.o): Remove hashtab.h dependency.
4729         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
4730         (struct ivopts_data): Change niters to pointer_map_t.
4731         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
4732         (niter_for_exit): Create pointer_map on demand.  Change for
4733         pointer_map API.
4734         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
4735         (free_loop_data): Destroy data->niters if created and reset field.
4736         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
4737         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
4739         * tree-ssa-reassoc.c: Include pointer-set.h.
4740         (bb_rank): Change to long *.
4741         (operand_rank): Change to pointer_map_t.
4742         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
4743         (insert_operand_rank): Accept long.
4744         (operand_entry_hash, operand_entry_eq): Remove.
4745         (get_rank): Return long.  Adjust for changes above.
4746         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
4747         and operand_rank.
4748         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
4750         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
4751         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
4752         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
4753         is not NULL.
4754         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
4755         directly since it cannot be NULL.
4756         (get_vi_for_tree): Rewrite for pointer_map API.
4757         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
4758         (init_alias_vars): Create vi_for_tree as pointer_map.
4759         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
4761         * tree-cfg.c: Don't include hashtab.h.
4762         (edge_to_cases): Declare as pointer_map.
4763         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
4764         Delete.
4765         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
4766         (start_recording_case_labels): Create edge_to_cases as pointer_map.
4767         (end_recoding_case_labels): Cleanup edge_to_cases manually before
4768         destroying it.
4769         (record_switch_edge): Delete.
4770         (get_cases_for_edge): Adjust for pointer_map API, inline
4771         record_switch_edge (rewritten for new API), remove goto.
4773 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
4775         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
4776         * tree-nested.c: Include pointer-set.h.
4777         (var_map_elt, var_map_eq, var_map_hash): Delete.
4778         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
4779         to pointer_map_t's.
4780         (nesting_info_bitmap_obstack): New.
4781         (lookup_field_for_decl): Adjust for pointer_map API.
4782         (lookup_tramp_for_decl): Adjust for pointer_map API.
4783         (get_nonlocal_debug_decl): Adjust for pointer_map API.
4784         (get_local_debug_decl): Adjust for pointer_map API.
4785         (convert_nl_goto_reference): Adjust for pointer_map API.
4786         (convert_nl_goto_receiver): Adjust for pointer_map API.
4787         (create_nesting_tree): Create outside GGC space.  Create bitmap on
4788         the new obstack.  Create field_map and var_map as pointer_maps.
4789         (free_nesting_tree): Adjust for changes to create_nesting_tree.
4790         (root): Delete.
4791         (lower_nested_functions): Move root here, no need to NULL it.
4792         Initialize and release the obstack.
4794 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
4796         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
4797         Remove prototypes and make them non-static.
4798         (struct tree_int_map): Remove.
4799         * tree.h (struct tree_int_map): Move here, turning TO into an
4800         unsigned int.
4801         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
4803         * tree.h (TREE_COMPLEXITY): Remove.
4804         (struct tree_exp): Remove complexity field.
4805         * tree.c (build1_stat): Don't set it.
4807 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
4808             Victor Kaplansky  <victork@il.ibm.com>
4810         * tree-vectorizer.c (vect_is_simple_use): Support induction.
4811         (vect_is_simple_reduction): Support reduction with induction as
4812         one of the operands.
4813         (vect_is_simple_iv_evolution): Fix formatting.
4814         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
4815         formatting.  Don't mark induction phis for vectorization.
4816         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
4817         * tree-vect-transform.c (get_initial_def_for_induction): New function.
4818         (vect_get_vec_def_for_operand): Support induction.
4819         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
4820         induction case.
4821         (vectorizable_reduction): Support reduction with induction as one of
4822         the operands.
4823         (vectorizable_type_demotion): Use def-type of stmt argument rather
4824         than dummy def-type.
4826         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
4827         flag_tree_scev_cprop.
4828         * common.opt (tree-scev-cprop): New flag.
4830         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
4831         call to vect_get_new_vect_var.
4833 2007-02-06  Ira Rosen  <irar@il.ibm.com>
4835         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
4836         vectype is not NULL.
4837         (vect_pattern_recog_1): Likewise.
4839 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4841         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
4842         (fold_negate_expr): Likewise.
4844 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
4846         PR debug/30189
4847         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
4848         even if cv-qualification is the same.
4850 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
4852         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
4853         __enable_execute_stack on completion.
4855 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4857         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
4858         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
4859         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
4860         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
4861         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
4862         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
4863         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
4864         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
4866 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4868         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
4869         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
4870         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
4871         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
4872         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
4873         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
4874         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
4875         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
4876         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
4877         umuldi3_highpart_rex64, umulsi3_highpart_insn,
4878         umulsi3_highpart_zext, smuldi3_highpart_rex64,
4879         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
4880         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
4881         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
4882         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
4883         sqrtextenddfxf2_i387): Added amdfam10_decode.
4885         * config/i386/athlon.md (athlon_idirect_amdfam10,
4886         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
4887         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
4888         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
4889         athlon_ivector_store_amdfam10): New define_insn_reservation.
4890         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
4891         amdfam10.
4893 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4895         * config/i386/athlon.md (athlon_call_amdfam10,
4896         athlon_pop_amdfam10, athlon_lea_amdfam10): New
4897         define_insn_reservation.
4898         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
4899         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
4900         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
4902 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4904         * config/i386/athlon.md (athlon_sseld_amdfam10,
4905         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
4906         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
4908 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4910         * config/i386/athlon.md (athlon_sseins_amdfam10): New
4911         define_insn_reservation.
4912         * config/i386/i386.md (sseins): Added sseins to define_attr type
4913         and define_attr unit.
4914         * config/i386/sse.md: Set type attribute to sseins for insertq
4915         and insertqi.
4917 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4919         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
4920         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
4921         ssecomi_load_amdfam10, ssecomi_amdfam10,
4922         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
4923         define_insn_reservation.
4924         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
4926 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4928         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
4929         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
4930         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
4931         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
4932         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
4933         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
4934         define_insn_reservation.
4936         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
4937         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
4938         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
4939         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
4940         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
4942 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4944         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
4945         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
4946         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
4947         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
4948         athlon_ssemul_load_k8): Added amdfam10.
4950 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4952         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
4953         (x86_sse_unaligned_move_optimal): New variable.
4955         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
4956         m_AMDFAM10.
4957         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
4958         for unaligned vector SSE double/single precision loads for AMDFAM10.
4960 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4962         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
4963         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
4964         Define TARGET_CPU_DEFAULT_amdfam10.
4965         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
4966         (processor_type): Add PROCESSOR_AMDFAM10.
4968         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
4969         processor_type in config/i386/i386.h.
4970         Enable imul peepholes for TARGET_AMDFAM10.
4972         * config.gcc: Add support for --with-cpu option for amdfam10.
4974         * config/i386/i386.c (amdfam10_cost): New variable.
4975         (m_AMDFAM10): New macro.
4976         (m_ATHLON_K8_AMDFAM10): New macro.
4977         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4978         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
4979         x86_promote_QImode, x86_integer_DFmode_moves,
4980         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4981         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
4982         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
4983         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
4984         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
4985         Enable/disable for amdfam10.
4986         (override_options): Add amdfam10_cost to processor_target_table.
4987         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
4988         processor_alias_table.
4989         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
4990         (ix86_adjust_cost): Add code for amdfam10.
4992 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
4994         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
4995         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
4996         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
4997         * config/i386/i386.h: Add builtin definition for SSE4A.
4998         * config/i386/i386.md: Add support for ABM instructions
4999         (popcnt and lzcnt).
5000         * config/i386/sse.md: Add support for SSE4A instructions
5001         (movntss, movntsd, extrq, insertq).
5002         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
5003         Add -march=amdfam10 flag.
5004         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
5005         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
5006         and amdfam10.
5007         * doc/extend.texi: Add documentation for SSE4A builtins.
5009 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
5011         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
5013 2007-02-05  Richard Guenther  <rguenther@suse.de>
5015         * tree-vectorizer.h (vectorizable_function): Add argument type
5016         argument, change return type.
5017         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
5018         * tree-vect-transform.c (vectorizable_function): Handle extra
5019         argument, return vectorized function decl.
5020         (build_vectorized_function_call): Remove.
5021         (vectorizable_call): Handle calls with result and argument types
5022         differing.  Handle loop vectorization factor correctly.
5023         * targhooks.c (default_builtin_vectorized_function): Adjust for
5024         extra argument.
5025         * targhooks.h (default_builtin_vectorized_function): Likewise.
5026         * target.h (builtin_vectorized_function): Add argument type
5027         argument.
5028         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
5029         extra argument, allow vectorizing of lrintf.
5030         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
5031         documentation of target hook.
5033 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
5035         PR target/30665
5036         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
5037         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
5038         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
5040 2007-02-05  Roger Sayle  <roger@eyesopen.com>
5042         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
5043         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
5044         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
5045         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
5046         before canonicalizing sincos to cexpi.
5047         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
5049 2007-02-05  Roger Sayle  <roger@eyesopen.com>
5051         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
5052         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
5053         (alpha_init_builtins): Use alpha_add_builtins to process tables.
5055 2007-02-05  Roger Sayle  <roger@eyesopen.com>
5057         * mips-tfile.c (initialize_init_file): Correct endianness test.
5059 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
5061         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
5062         the 'y' constraint.
5064 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
5066         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
5067         saves in a PARALLEL before the register assignments.
5069 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
5071         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
5072         DWARF_FRAME_RETURN_COLUMN to be a general register.
5073         * dwarf2out.c (init_return_column_size): New function, split from...
5074         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
5075         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
5076         to be nongeneral registers.
5077         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
5078         integer registers.
5079         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
5080         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
5082 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
5084         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
5086 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
5088         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
5089         (remove_path): Use can_remove_branch_p and remove_branch instead
5090         of loop_delete_branch_edge.
5091         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
5092         (tree_transform_and_unroll_loop): Remove dead branches immediately.
5093         Update profile using scale_dominated_blocks_in_loop.
5094         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
5095         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
5096         (can_remove_branch_p, remove_branch): Declare.
5097         * tree-cfg.c (tree_can_remove_branch_p): New function.
5098         (tree_cfg_hooks): Add tree_can_remove_branch_p.
5099         * cfgrtl.c (rtl_can_remove_branch_p): New function.
5100         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
5102 2007-02-05  Jan Hubicka  <jh@suse.cz>
5104         PR middle-end/30696
5105         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
5106         nodes in cgraph, don't remove offline copy of the function.
5108 2007-02-04  Jan Hubicka  <jh@suse.cz>
5110         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
5111         vectors might cause maybe_lookup_element_for_expr to be called
5112         on non-sra-candidate.
5114 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
5116         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
5117         config/bfin/bfin.md, config/bfin/predicates.md: Follow
5118         spelling conventions.
5120 2007-02-04  Richard Guenther  <rguenther@suse.de>
5122         PR middle-end/30636
5123         * fold-const.c (try_move_mult_to_index): Make sure to not
5124         overflow one dimension of a multi-dimensional array access.
5126 2007-02-04  Jan Hubicka  <jh@suse.cz>
5128         * passes.c (init_optimization_passes): Reindent.
5130 2007-02-04  Jan Hubicka  <jh@suse.cz>
5131             Eric Botcazou  <ebotcazou@adacore.com>
5133         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
5134         (execute_fixup_cfg): Break out the abnormal goto code.
5135         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
5136         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
5137         (optimize_inline_calls): Call make_nonlocal_label_edges.
5139 2007-02-04  Jan Hubicka  <jh@suse.cz>
5141         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
5142         true when something was changed.
5143         (rename_ssa_copies): When something was changed, do
5144         TODO_remove_unused_locals.
5145         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
5146         add TODO_remove_unused_locals when instruction was removed.
5148 2007-02-04  Jan Hubicka  <jh@suse.cz>
5150         * ipa-inline.c (try_inline): Improve debug output; work on already
5151         inline edges too.
5152         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
5153         call try_inline for already inlined edges too when flattening;
5154         inline also functions that make callee growth but overall unit size
5155         reduce.
5157 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
5159         * config/m32c/bitops.md, config/m32c/jump.md,
5160         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
5161         config/m32r/m32r.h, config/m32r/m32r.md,
5162         config/m32r/predicates.md, config/m68hc11/larith.asm,
5163         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
5164         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
5165         config/mips/mips-protos.h, config/mips/mips.c,
5166         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
5167         config/mn10300/mn10300.h, config/mn10300/predicates.md,
5168         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
5169         spelling conventions.
5171         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
5172         Follow spelling conventions.
5174 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
5176         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
5177         warn about C++0x compatibility.
5179 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
5181         * config/h8300/h8300.c, config/h8300/h8300.h,
5182         config/h8300/h8300.md: Follow spelling conventions.
5184 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
5186         PR middle-end/30667
5187         * combine.c (try_combine): Do not substitute source operand
5188         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
5190 2007-02-03  Jan Hubicka  <jh@suse.cz>
5192         PR gcov-profile/30650
5193         * value-prof.c (stringop_block_profile): Fix handling of size counter;
5194         do not divide by zero for never executed counters.
5195         (tree_find_values_to_profile): Fix counters.
5196         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
5198 2007-02-03  Ian Lance Taylor  <iant@google.com>
5200         * lower-subreg.c (simple_move_operand): New static function,
5201         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
5202         operands.
5203         (simple_move): Call simple_move_operand.
5204         (find_decomposable_subregs): Add special handling of MEMs.
5205         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
5206         meaning of return value.  If we see a hard register, test whether
5207         it can store a word_mode value.  Change all callers.
5209 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5211         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
5212         ftrapv insns and expanders.
5213         (subdi3): Change define_expand operand 1 to arith11_operand, and
5214         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
5215         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
5216         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
5217         respectively.
5219         PR middle-end/30174
5220         * varasm.c (notice_global_symbol): Treat global objects as weak when
5221         flag_shlib is true.
5223 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5225         * emit-rtl.c (dconstpi): Delete.
5226         (dconstsqrt2): New.
5227         (init_emit_once): Delete dconstpi and init dconstsqrt2.
5228         * real.h (dconstpi): Delete.
5229         (dconstsqrt2): New.
5230         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
5231         (fold_builtin_hypot): Likewise.
5233 2007-02-03  Tom Tromey  <tromey@redhat.com>
5235         PR driver/30246
5236         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
5237         -gcoff3, -gxcoff3, -gvms3 implies -dD.
5239 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
5241         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
5242         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
5243         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
5244         config/rs6000/cell.md, config/rs6000/darwin.h,
5245         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
5246         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
5247         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
5248         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
5249         typos.  Follow spelling conventions.
5250         * doc/invoke.texi: Follow spelling conventions.
5252 2007-02-03  Roger Sayle  <roger@eyesopen.com>
5254         * simplify-rtx.c (simplify_relational_operation_1): Implement some
5255         canonicalization transformations that attempt to simplify integer
5256         constant comparisons to become comparisons against zero.
5258 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5260         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
5261         fabs(x)*sqrt(2).
5262         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
5263         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
5265 2007-02-02  Mike Stump  <mrs@apple.com>
5267         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
5268         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
5269         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
5270         generate a branch island.
5272 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
5274         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
5275         (xtensa_legitimate_address_p): New.
5276         (xtensa_legitimize_address): New.
5277         (xtensa_output_addr_const_extra): New.
5278         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
5279         (BASE_REG_P): New.
5280         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
5281         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
5282         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
5283         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
5284         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
5285         (xtensa_legitimize_address): New.
5286         (xtensa_output_addr_const_extra): New.
5288 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
5290         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
5292 2007-02-02  Ian Lance Taylor  <iant@google.com>
5294         * expmed.c (expand_divmod): Add comment.
5296 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
5298         * emit-rtl.c (renumber_insns): Remove.
5299         * flags.h: Remove the extern for flag_renumber_insns.
5300         * rtl.h: Remove the prototype for renumber_insns.
5301         * toplev.c (flag_renumber_insns): Remove.
5303 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
5305         Revert for x86 darwin:
5306         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
5308         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
5309         code before the following patch under TARGET_MACHO.
5310         (ix86_function_value_regno_p): Likewise.
5312 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5314         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
5315         COMPLEX_EXPR.
5317 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5319         PR target/29682
5320         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
5321         general or fp registers.  Add comments.
5322         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
5324 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
5326         * pointer-set.c (insert_aux): Only return insertion slot.
5327         (pointer_set_insert): Adjust.
5328         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
5329         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
5330         pointer_map_traverse): New.
5331         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
5332         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
5333         pointer_map_contains, pointer_map_traverse): Declare.
5335 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
5337         PR middle-end/30473
5338         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
5339         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
5341 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5343         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
5345         (struct _dep): New type.
5346         (dep_t): New typedef.
5347         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
5348         (DEP_STATUS): New access macro.  The macro with the same name was
5349         renamed to DEP_LINK_STATUS.
5350         (dep_init): Declare function
5352         (struct _dep_link): New type.
5353         (dep_link_t): New typedef.
5354         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
5355         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
5356         (DEP_LINK_STATUS): New macro.
5357         (debug_dep_links): New debug function.
5359         (struct _deps_list): New type.
5360         (deps_list_t): New typedef.
5361         (DEPS_LIST_FIRST): New access macro.
5362         (FOR_EACH_DEP_LINK): New cycle macro.
5363         (create_deps_list, free_deps_list, delete_deps_list): Declare
5364         functions.
5365         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
5366         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
5367         (copy_deps_list_change_con): Ditto.
5369         (move_dep_link): Declare function.
5371         (struct _dep_node): New type.
5372         (dep_node_t): New typedef.
5373         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
5375         (struct haifa_insn_data.back_deps): New field to hold backward
5376         dependencies of the insn.
5377         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
5378         to deps_list_t.
5379         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
5380         Change its type to deps_list_t.
5381         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
5382         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
5383         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
5385         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
5387         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
5389         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
5390         all callers.
5391         (dep_cost): Declare.
5393         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
5394         (ds_to_dk, dk_to_ds): New functions.
5396         (init_dep_1): New static function.
5397         (init_dep): New function.
5398         (copy_dep): New static function.
5400         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
5401         functions.
5402         (detach_dep_link): New static function.
5403         (move_dep_link): New function.
5405         (dep_links_consistent_p, dump_dep_links): New static functions.
5406         (debug_dep_links): New debugging function.
5408         (deps_obstack, dl_obstack, dn_obstack): New static variables.
5410         (alloc_deps_list, init_deps_list): New static functions.
5411         (create_deps_list): New function.
5412         (clear_deps_list): New static function.
5413         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
5414         (deps_list_consistent_p, dump_deps_list): New static functions.
5415         (debug_deps_list): New function.
5416         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
5417         functions.
5418         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
5420         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
5421         use new scheduler dependencies lists.
5422         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
5423         (sched_analyze): Ditto.  Initialize dependencies lists.
5424         (add_forw_dep, compute_forward_dependences): Update to use new
5425         scheduler dependencies lists.
5427         (init_dependency_caches): Init deps_obstack.
5428         (free_dependency_caches): Free deps_obstack.
5430         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
5431         new scheduler dependencies lists.
5432         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
5433         (add_back_forw_dep, delete_back_forw_dep): Ditto.
5435         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
5436         Update to use new scheduler dependencies lists.
5437         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
5438         (debug_dependencies): Ditto.
5439         (schedule_region): Update comments.
5441         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
5442         scheduler dependencies lists.
5443         (schedule_ebb): Update comments.
5445         * rtl.def (DEPS_LIST): Remove.
5447         * lists.c (unused_deps_list): Remove.
5448         (free_list): Update assertions.
5450         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
5451         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
5453         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
5454         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
5456         * haifa-sched.c (comments): Update.
5457         (insn_cost1): Remove.  Inline the code into insn_cost ().
5458         (insn_cost): Update to use new scheduler dependencies lists.  Move
5459         processing of the dependency cost to dep_cost ().
5460         (dep_cost): New function.  Use it instead of insn_cost () when
5461         evaluating cost of the dependency.  Use compatible interface to
5462         interact with the target.
5463         (priority): Update to use new scheduler dependencies lists.
5464         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
5465         with greater number of insns that depend on the insn.
5466         (schedule_insn): Update to use new scheduler dependencies lists.  Add
5467         code to free backward dependencies lists.  Inline and optimize code
5468         from resolve_dep () - see PR28071.
5469         (ok_for_early_queue_removal): Update to use new scheduler dependencies
5470         lists.  Update call to targetm.sched.is_costly_dependence hook.
5472         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
5473         scheduler dependencies lists.
5475         (resolve_dep): Remove.  Move the logic to schedule_insn ().
5476         (init_h_i_d): Initialize dependencies lists.
5478         (process_insn_depend_be_in_spec): Rename to
5479         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
5480         dependencies lists.
5481         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
5482         Update to use new scheduler dependencies lists.
5483         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
5485         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
5486         new scheduler dependencies lists.
5487         (build_intra_loop_deps): Ditto.
5489         * target.h (struct _dep): Declare to use in
5490         gcc_target.sched.is_costly_dependence.
5491         (struct gcc_target.sched.adjust_cost): Fix typo.
5492         (struct gcc_target.sched.is_costly_dependence): Change signature to use
5493         single dep_t parameter instead of an equivalent triad.
5494         (struct gcc_target.sched.adjust_cost_2): Remove.
5496         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
5498         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
5500         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
5501         documentation.
5502         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
5504         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
5505         (REG_DEP_TRUE): Document.
5507         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
5508         Change signature to correspond to the targetm.sched.adjust_cost hook.
5509         Update use in TARGET_SCHED_ADJUST_COST_2.
5510         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
5511         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
5512         new scheduler dependencies lists.
5513         (ia64_gen_check): Ditto.
5515         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
5516         dependencies lists.
5518         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
5519         signature to correspond to the targetm.sched.is_costly_dependence hook.
5520         (is_costly_group): Update to use new scheduler dependencies lists.
5522         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
5523         instead of INSN_COST () macro.
5525 2007-02-01  Ian Lance Taylor  <iant@google.com>
5527         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
5529 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
5531         * pa.md (tp_load): Correct mfctl instruction syntax.
5533 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
5535         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
5536         altivec_padding_size calculation on AIX.  Improve comment, add
5537         assert to verify that it's right.
5539         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
5540         64-bit.
5542 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
5544         PR inline-asm/28686
5545         * global.c (global_alloc): Add mising initialization of
5546         ELIMINABLE_REGSET.
5548 2007-02-01  Roger Sayle  <roger@eyesopen.com>
5550         * alias.c (init_alias_analysis): Correct whitespace.
5551         * bb-reorder.c (fix_edges_for_rarely_executed_code,
5552         partition_hot_cold_basic_blocks): Likewise.
5553         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
5554         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
5555         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
5556         fold_builtin_snprintf_chk, fold_builtin_printf,
5557         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
5558         do_mpfr_arg3, do_mpfr_sincos): Likewise.
5559         * cfgcleanup.c (cleanup_cfg): Likewise.
5560         * cfgexpand.c (tree_expand_cfg): Likewise.
5561         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
5562         * function.c (get_next_funcdef_no): Likewise.
5563         * gengtype.c (main): Likewise.
5564         * genmodes.c (main): Likewise.
5565         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
5566         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
5567         * ifcvt.c (noce_emit_move_insn): Likewise.
5568         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
5569         Likewise.
5570         * stor-layout.c (get_best_mode): Likewise.
5571         * tree-ssa-loop-niter.c (get_val_for): Likewise.
5572         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
5573         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
5574         perform_var_substitution, solve_graph): Likewise.
5575         * tree-vrp.c (vrp_finalize): Likewise.
5577 2007-02-01  Ian Lance Taylor  <iant@google.com>
5579         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
5580         high part of a paradoxical subreg, return a constant zero.
5582 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
5584         * toplev.c (lang_dependent_init): Call init_set_costs.
5585         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
5587 2007-02-01  Richard Guenther  <rguenther@suse.de>
5589         PR middle-end/30656
5590         * fold-const.c (fold_negate_expr): Allow negating a
5591         constant if overflow does not change.
5593 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5595         * doc/c-tree.texi (Expression trees): Improve markup.
5596         * doc/tm.texi (Register Classes, Addressing Modes)
5597         (Floating Point): Fix spacing after abbreviations.  Fix some
5598         typos.
5600 2007-02-01  Ben Elliston  <bje@au.ibm.com>
5602         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
5603         * doc/contrib.texi: Likewise.
5604         * doc/install.texi: Likewise.
5606 2007-01-31  Richard Henderson  <rth@redhat.com>
5607             Ian Lance Taylor  <iant@google.com>
5609         * lower-subreg.c: New file.
5610         * rtl.def (CONCATN): Define.
5611         * passes.c (init_optimization_passes): Add pass_lower_subreg and
5612         pass_lower_subreg2.
5613         * emit-rtl.c (update_reg_offset): New static function, broken out
5614         of gen_rtx_REG_offset.
5615         (gen_rtx_REG_offset): Call update_reg_offset.
5616         (gen_reg_rtx_offset): New function.
5617         * regclass.c: Revert patch of 2006-03-05, restoring
5618         reg_scan_update.
5619         (clear_reg_info_regno): New function.
5620         * dwarf2out.c (concatn_loc_descriptor): New static function.
5621         (loc_descriptor): Handle CONCATN.
5622         * common.opt (fsplit_wide_types): New option.
5623         * opts.c (decode_options): Set flag_split_wide_types when
5624         optimizing.
5625         * timevar.def (TV_LOWER_SUBREG): Define.
5626         * rtl.h (gen_reg_rtx_offset): Declare.
5627         (reg_scan_update): Declare.
5628         * regs.h (clear_reg_info_regno): Declare.
5629         * tree-pass.h (pass_lower_subreg): Declare.
5630         (pass_lower_subreg2): Declare.
5631         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
5632         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
5633         -fsplit-wide-types.
5634         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
5635         * Makefile.in (OBJS-common): Add lower-subreg.o.
5636         (lower-subreg.o): New target.
5638 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
5640         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
5642 2007-01-31  Anatoly Sokolov <aesok@post.ru>
5644         PR target/19087
5645         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
5647 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5649         PR middle-end/29335
5650         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
5652 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
5654         * cfgloop.h: Include vec-prim.h.
5655         (enum li_flags): Remove LI_ONLY_OLD.
5656         (loop_iterator): Changed.
5657         (fel_next, fel_init): Iterate over loop tree.
5658         (FOR_EACH_LOOP_BREAK): New macro.
5659         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
5660         FOR_EACH_LOOP.
5661         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
5662         * modulo-sched.c (sms_schedule): Ditto.
5663         * tree-vectorizer.c (vectorize_loops): Ditto.
5664         * doc/loop.texi: Update information on loop numbering and behavior of
5665         FOR_EACH_LOOP wrto new loops.
5666         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5667         add_to_evolution_1): Test nestedness of loops instead of comparing
5668         their numbers.
5669         * tree-chrec.c (chrec_fold_plus_poly_poly,
5670         chrec_fold_multiply_poly_poly, chrec_evaluate,
5671         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
5672         reset_evolution_in_loop): Ditto.
5673         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
5675 2007-01-31  Dirk Mueller  <dmueller@suse.de>
5677         * c-common.c (warn_about_parentheses): Separate warning about
5678         un-parenthized sequence of comparison operators from the one
5679         which is supposed to warn about x <= y <= z.
5681 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
5683         * optabs.h (enum optab_index): Add new OTI_isinf.
5684         (isinf_optab): Define corresponding macro.
5685         * optabs.c (init_optabs): Initialize isinf_optab.
5686         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
5687         patterns.
5688         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
5689         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
5690         using isinf_optab.
5691         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
5692         expand_builtin_interclass_mathfn.
5693         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
5694         * config/i386/i386.md (UNSPEC_FXAM): New constant.
5695         (fxam<mode>2_i387): New insn pattern.
5696         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
5697         built-in functions as x87 inline asm.
5699 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
5701         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
5703 2007-01-30  Eric Christopher  <echristo@apple.com>
5705         * config.gcc: Add geode.
5707 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
5709         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
5710         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
5711         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
5712         value-prof.c: Fix comment typos.
5714 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5716         PR c++/24745
5717         * doc/invoke.texi (Wpointer-arith): Document warning.
5719 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
5721         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
5722         the list of discrepancies from the draft TR.
5724 2007-01-30  Dirk Mueller  <dmueller@suse.de>
5726         PR c++/30601
5727         * doc/invoke.texi (-Wreturn-type): Update description to
5728         match new behavior.
5730 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
5732         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
5734 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
5736         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
5737         to handle optabs that operate on floating point input argument and
5738         output to integer output.
5739         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
5740         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
5741         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
5742         expand_builtin_interclass_mathfn ().
5743         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
5744         (ilogbsi2): Remove.
5745         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
5746         ilogbl built-in functions as x87 intrinsics.
5748 2007-01-30  Richard Guenther  <rguenther@suse.de>
5750         PR middle-end/27657
5751         * dwarf2out.c (reference_to_unused): Query varpool if the
5752         variable was output.
5754 2007-01-30  Richard Guenther  <rguenther@suse.de>
5756         PR middle-end/30313
5757         * passes.c (execute_one_pass): Reset in_gimple_form to not
5758         confuse non-unit-at-a-time mode.
5760 2007-01-29  Roger Sayle  <roger@eyesopen.com>
5761             Richard Guenther  <rguenther@suse.de>
5763         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
5764         avoid undefined behaviour on overflow.  Use force_fit_type_double
5765         to construct the constant with the specified TREE_OVERFLOW.
5767 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
5769         * config/dfp-bit.c: Add parameterized support for fp exceptions.
5770         * config/dfp-bit.h: Ditto.
5772 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5774         * c-decl.c (pop_scope): Replace warnings with call to
5775         warn_for_unused_label.
5776         * c-common.h (warn_for_unused_label): Declare.
5777         * c-common.c (warn_for_unused_label): Define.
5779 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5781         * tree-optimize.c (update_inlined_to_pointers): Delete unused
5782         function.
5784 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
5786         * Makefile.in (USER_H): Remove decfloat.h.
5787         * ginclude/decfloat.h: Delete, moving contents to ...
5788         * ginclude/float.h: Add support for decimal floating point,
5789         guarded by __STDC_WANT_DEC_FP__.
5791 2007-01-29  Mike Stump  <mrs@apple.com>
5793         * doc/gccint.texi (Top): Rename Loop Representation to Loop
5794         Analysis and Representation to resolve case insensitive conflict.
5795         * doc/loop.texi (Loop Analysis and Representation): Likewise.
5797 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
5799         * tree.h (struct tree_memory_tag): Add aliases member.
5800         (MTAG_ALIASES): New macro.
5801         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
5802         (add_may_alias): Remove pointer-set. Update for may_aliases being
5803         a bitmap.
5804         (mark_aliases_call_clobbered): Update for may_aliases being a
5805         bitmap.
5806         (compute_tag_properties): Ditto.
5807         (create_partition_for): Ditto.
5808         (compute_memory_partitions): Ditto.
5809         (dump_may_aliases_for): Ditto.
5810         (is_aliased_with): Ditto.
5811         (add_may_alias_for_new_tag): Ditto.
5812         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
5813         (compute_is_aliased): New function.
5814         (compute_may_aliases): Call compute_is_aliased).
5815         (init_alias_info): Initialize alias_bitmap_obstack.
5816         (union_alias_set_into): New function.
5817         (compute_flow_sensitive_aliasing): Use union_aliases_into.
5818         (have_common_aliases_p): Rewrite to take two bitmaps and use
5819         intersection.
5820         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
5821         Update for bitmaps.
5822         (finalize_ref_all_pointers): Update for add_may_alias changes.
5823         (new_type_alias): Ditto.
5824         * tree-flow-inline.h (may_aliases): Return a bitmap.
5825         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
5826         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
5827         may_aliases being a bitmap.
5828         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
5829         may_aliases now returns a bitmap.
5830         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
5831         being a bitmap.
5832         * tree-ssa-operands.c (add_virtual_operand): Update for
5833         may_aliases being a bitmap.
5835 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
5837         PR tree-optimization/30630
5838         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
5839         variable as changed.
5841 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
5843         PR c++/28266
5844         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
5845         expanded only once even if an error occurs.
5847 2007-01-29  Ben Elliston  <bje@au.ibm.com>
5849         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
5850         (__gcov_average_profiler): Likewise.
5851         (__gcov_ior_profiler): Likewise.
5852         (__gcov_merge_ior): Likewise.
5854 2007-01-28  Jan Hubicka  <jh@suse.cz>
5856         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
5857         * value-prof.c (stringop_block_profile): Likewise.
5859 2007-01-28  Jan Hubicka  <jh@suse.cz>
5861         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
5862         variant handling histograms; add wrapper.
5863         (clear_storage_via_libcall): Export.
5864         (emit_block_move_hints): Break out from ...; add histograms.
5865         (emit_block_move): ... this one.
5866         (clear_storage_hints): Break out from ...; add histograms.
5867         (clear_storage): ... this one.
5868         (set_storage_via_memset): Handle histogram.
5869         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
5870         (clear_storage_hints, clear_storage_via_libcall): Declare.
5871         (set_storage_via_setmem): Update prototype.
5872         * doc/md.texi (movmem, setmem): Document new arguments.
5874         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
5875         new histograms.
5876         (stringop_block_profile): New global function.
5877         (tree_stringops_values_to_profile): Profile block size and alignment.
5878         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
5879         HIST_TYPE_IOR.
5880         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
5881         (stringop_block_profile): Declare.
5882         * builtins.c: Include value-prof.h.
5883         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
5884         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
5885         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
5886         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
5887         * profile.c (instrument_values): Add new counters.
5888         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
5889         calls.
5890         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
5891         (tree_init_edge_profiler): Build new profilers.
5892         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
5893         (pass_tree_profile): Add dump.
5894         (tree_profile_hooks): Update.
5895         * Makefile.in (LIBGCOV): Add new constants.
5896         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
5897         __gcov_ior_profiler): New.
5898         * i386.md (movmem/setmem expanders): Add new optional arguments.
5900 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
5902         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
5904 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
5906         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
5907         (tree_unswitch_single_loop): Pass eni_size_weights to
5908         tree_num_loop_insns.
5909         * tree-ssa-loop-manip.c: Include tree-inline.h.
5910         (can_unroll_loop_p): Pass eni_size_weights to
5911         tree_num_loop_insns.
5912         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
5913         Pass eni_size_weights to estimate_num_insns.
5914         * tree.h (init_inline_once): Export.
5915         * toplev.c (backend_init): Call init_inline_once.
5916         * cgraphunit.c (cgraph_process_new_functions,
5917         cgraph_analyze_function): Pass eni_inlining_weights to
5918         estimate_num_insns.
5919         * ipa-inline.c (compute_inline_parameters): Ditto.
5920         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
5921         to estimate_num_insns.
5922         (try_unroll_loop_completely): Pass eni_size_weights to
5923         tree_num_loop_insns.
5924         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
5925         ot estimate_num_insns.
5926         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
5927         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
5928         * tree-inline.c (eni_inlining_weights, eni_size_weights,
5929         eni_time_weights): New variables.
5930         (init_inline_once): Initialize them.
5931         (struct eni_data): Mew.
5932         (estimate_num_insns_1, estimate_num_insns): Use weights.
5933         * tree-inline.h (struct eni_weights_d): New.
5934         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
5935         (estimate_num_insns): Declaration changed.
5936         * cfgloop.h (tree_num_loop_insns): Declaration changed.
5937         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
5938         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
5940 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
5942         * tree-data-ref.c (conflict_fn): Assert that the number of affine
5943         relations in the conflict function is valid.
5945 2007-01-27  Ian Lance Taylor  <iant@google.com>
5947         * common.opt: Add fstrict-overflow.
5948         * opts.c (decode_options): Set flag_strict_overflow if -O2.
5949         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
5950         (TYPE_OVERFLOW_UNDEFINED): Define.
5951         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
5952         Replace all uses.
5953         * tree.h (TYPE_TRAP_SIGNED): Don't define.
5954         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
5955         (fold_negate_expr): Likewise.
5956         (make_range): Likewise.
5957         (extract_muldiv_1): Likewise.
5958         (maybe_canonicalize_comparison): Likewise.
5959         (fold_comparison): Likewise.
5960         (fold_binary): Likewise.
5961         (tree_expr_nonnegative_p): Likewise.
5962         (tree_expr_nonzero_p): Likewise.
5963         * tree-vrp.c (compare_values): Likewise.
5964         (extract_range_from_binary_expr): Likewise.
5965         (extract_range_from_unary_expr): Likewise.
5966         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
5967         Likewise.
5968         (nowrap_type_p): Likewise.
5969         * tree-scalar-evolution.c (simple_iv): Likewise.
5970         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
5971         (build_range_check): Likewise.
5972         (extract_muldiv_1): Likewise.
5973         (fold_comparison): Likewise.
5974         * tree-vrp.c (vrp_int_const_binop): Likewise.
5975         (extract_range_from_unary_expr): Likewise.
5976         * convert.c (convert_to_integer): Likewise.
5977         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
5978         (fold_comparison): Likewise.
5979         (fold_binary): Likewise.
5980         * optabs.c (optab_for_tree_code): Likewise.
5981         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
5982         * simplify-rtx.c (simplify_const_relational_operation): Check
5983         flag_strict_overflow and flag_trapv.
5984         (simplify_const_relational_operation): Likewise.
5985         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
5986         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
5987         -fstrict-overflow.
5989 2007-01-27  Roger Sayle  <roger@eyesopen.com>
5991         * tree.c (tree_fold_gcd): Delete.
5992         * tree.h (tree_fold_gcd): Remove prototype.
5993         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
5994         test whether one constant integer is a multiple of another.  Instead
5995         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
5996         * fold-const.c (multiple_of_p):  We've determined both TOP and
5997         BOTTOM are integer constants so we can call int_const_binop directly
5998         instead of the more generic const_binop.
6000 2007-01-27  Roger Sayle  <roger@eyesopen.com>
6002         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
6003         1*X check that the constant hasn't overflowed, to preserve the
6004         TREE_OVERFLOW bit.
6005         (round_up): Provide an efficient implementation when rouding-up an
6006         INTEGER_CST to a power-of-two.
6008 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6010         * doc/sourcebuild.texi: Add comma for clarity.
6011         * doc/extend.texi: Fix some typos.
6012         * doc/passes.texi: Likewise.
6013         * doc/cppinternals.texi: Likewise.
6014         * doc/c-tree.texi: Likewise.
6015         * doc/tree-ssa.texi: Likewise.
6016         * doc/install.texi: Likewise.
6018 2007-01-27  Jan Hubicka  <jh@suse.cz>
6020         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
6021         (pass_sra): Do not require alias information.
6022         * passes.c (init_optimization_passes): Add SRA
6024 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
6026         * tracer.c (rest_of_handle_tracer): We already cleaned
6027         up the CFG in tracer() so don't do it here again.
6028         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
6029         cleanup_cfg here, either.  And don't call renumber_insns.
6031         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
6032         and BB_HEAD are in the insn stream here.  Instead make sure
6033         that BB_INSN is valid on all insns.  Also, do check here that
6034         there are no pending branch predictions...
6035         (rtl_verify_flow_info): ...instead of doing it here.  Checks
6036         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
6037         here.
6039 2007-01-26  Roger Sayle  <roger@eyesopen.com>
6041         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
6042         function to simplify/factorize operand order canonicalization.
6043         (ix86_fixup_binary_operands): Reorganize using the above function.
6044         (ix86_binary_operator_ok): Likewise.
6046 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
6048         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
6049         file scope from optimize_attrs.
6050         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
6051         up search.
6052         (optimize_attrs): Clear insn_code_values after freeing it.
6054 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
6056         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
6057         a parts.base assignment.
6059 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
6061         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
6062         (compute_subscript_distance, initialize_data_dependence_relation,
6063         finalize_ddr_dependent, analyze_ziv_subscript,
6064         analyze_siv_subscript_cst_affine,
6065         compute_overlap_steps_for_affine_univar,
6066         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6067         analyze_siv_subscript, analyze_miv_subscript,
6068         analyze_overlapping_iterations, subscript_dependence_tester_1,
6069         compute_self_dependence, free_dependence_relation): Work
6070         with affine_fn instead of chrecs.
6071         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
6072         common_affine_function, affine_function_base,
6073         affine_function_constant_p, affine_fn_op, affine_fn_plus,
6074         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
6075         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
6076         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
6077         (all_chrecs_equal_p): Removed.
6078         * tree-data-ref.h (affine_fn, conflict_function): New types.
6079         (struct subscript): Change type of conflicting_iterations_in_a
6080         and conflicting_iterations_in_b.
6082 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
6084         PR other/30182
6085         * config/pa/pa.h (TARGET_HPUX_11): New.
6086         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
6087         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
6089 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
6090         Richard Guenther  <rguenther@suse.de>
6092         * tree-ssa-structalias.c (solve_graph): Handle case
6093         we merged the variable to another.
6095 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6097         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
6098         functions.
6100         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
6101         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
6103 2007-01-25  DJ Delorie  <dj@redhat.com>
6105         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
6106         allow changes to modes which don't fit in those registers.
6108         * reload1.c (choose_reload_regs): Check for invalid subregs before
6109         computing their locations, not after.
6111 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
6113         PR 25127
6114         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
6115         save Altivec registers in an eh_return function.
6116         (compute_vrsave_mask): Likewise.
6117         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
6118         for saving Altivec registers.
6119         (rs6000_emit_prologue): Don't allocate stack twice in
6120         eh_return function.  Correct expected value of altivec_save_offset
6121         when using save_world.  Describe save of R0 to stack when using
6122         save_world.  Describe stack pointer adjustment when using
6123         save_world.  Remove duplicated eh_return parameter register saving.
6124         Update sp_offset variable after save_world.
6125         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
6126         darwin-world.asm.
6127         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
6128         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
6129         implies Altivec.
6131 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
6133         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
6135 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
6137         PR other/30182
6138         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
6139         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
6141 2007-01-25  Richard Guenther  <rguenther@suse.de>
6143         * doc/invoke.texi (-Wcoverage-mismatch): Document.
6144         * common.opt (-Wcoverage-mismatch): New warning option.
6145         * coverage.c (get_coverage_counts): Ignore coverage mismatch
6146         if -Wcoverage-mismatch is given.
6148 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
6150         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
6151         (ipcp_driver): Change to static definition.
6152         Add dumping of the ifunctions.
6153         (constant_val_insert): Remove unused parameter. Support for SSA.
6154         (ipcp_propagate_const): Support for SSA.
6155         (ipcp_profile_bb_print): Print only analyzed nodes.
6156         (ipcp_replace_map_create): Remove support for Fortran constant
6157         for now.
6158         * ipa-prop.c (ipa_method_modify_stmt,
6159         ipa_callsite_compute_param): Support for SSA.
6160         * ipa-prop.h (ipcp_driver): Remove declaration.
6161         (IS_VALID_TREE_MAP_INDEX): Add define.
6163 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
6165         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
6167 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6169         PR middle-end/30447
6170         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
6171         constant argument to cabs and do it without checking for
6172         -funsafe-math-optimizations.
6174 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
6176         * c-common.h (RID_FIRST_CXX0X): New.
6177         (RID_LAST_CXX0X): New.
6178         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
6179         by -Wall.
6180         * c.opt (Wc++0x-compat): New.
6181         * doc/invoke.texi (-Wc++0x-compat): Document.
6183 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6185         * builtins.c (fold_builtin_carg): New.
6186         (fold_builtin_1): Use it.
6188 2007-01-24  Jan Hubicka  <jh@suse.cz>
6190         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
6192         * ipa-inline.c (initial_insns, max_insns): Delete.
6193         (compute_max_insns): New function.
6194         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
6195         of insns as base for code growth.
6196         (cgraph_decide_inlining): Make initial_insns local; do not compute
6197         max_insns.
6198         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
6199         * doc/invoke.texi (inline-unit-growth): Update docs.
6201 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
6203         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
6204         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
6205         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
6206         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
6207         for CPUs that have PTA_CX16 set.
6209         PR middle-end/27416
6210         * gimplify.c (omp_check_private): New function.
6211         (gimplify_scan_omp_clauses): Use it for
6212         firstprivate/lastprivate/reduction.
6214         PR middle-end/30494
6215         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
6216         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
6218         PR middle-end/30421
6219         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
6220         If lower_lastprivate_clauses emits some statements, append them
6221         to dlist rather than body_p and to body_p append an initializer.
6222         (lower_omp_for): Adjust caller.
6224 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
6226         * target.h (globalize_decl_name): New.
6227         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
6228         * output.h (default_globalize_decl_name): New.
6229         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
6230         globalize_label.
6231         (globalize_decl): Ditto.
6232         (default_globalize_decl_name): New.
6233         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
6234         (ia64_handle_version_id_attribute): New.
6235         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
6236         (ia64_asm_output_external): Use globalize_decl_name instead
6237         of globalize_label.
6238         * doc/extend.texi (version_id): New pragma.
6239         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
6241 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
6243         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
6244         _uleb128_t and _Unwind_SWord with _sleb128_t.
6245         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
6246         uw_frame_state_for, uw_update_context_1): Likewise.
6247         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
6248         * unwind-pe.h (read_uleb128, read_sleb128,
6249         read_encoded_value_with_base): Likewise.
6250         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
6252 2007-01-24  Richard Guenther  <rguenther@suse.de>
6254         * builtins.c (expand_builtin_cexpi): Get the fndecl
6255         for cexp in the correct way.
6257 2007-01-24  Jan Hubicka  <jh@suse.cz>
6259         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
6261 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
6263         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
6264         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
6265         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
6266         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
6267         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
6268         __SIZEOF_PTRDIFF_T__.
6269         * doc/cpp.texi: Documentation for the new builtin macros added.
6271 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
6273         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
6274         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
6275         instead of operands[2] to avoid access past the end of array.
6277 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
6279         * reload1.c (emit_reload_insns): Pass the reload register
6280         for a non-spill output reload through forget_old_reloads_1.
6282 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
6284         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6285         _SOFT_DOUBLE if doubles use software floating-point.
6286         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
6287         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
6288         * config/rs6000/darwin-ldouble.c: Also compile functions for
6289         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
6290         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
6291         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
6292         commented-out long double override.
6293         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
6294         * config/rs6000/eabispe.h: Likewise.
6295         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
6296         long double for non-SPE.
6297         (rs6000_handle_option): Likewise.
6298         (invalid_e500_subreg): Disallow more subregs involding DImode,
6299         DFmode, TImode or TFmode.
6300         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
6301         E500 double.
6302         (legitimate_lo_sum_address_p): Also check for TFmode for E500
6303         double.
6304         (rs6000_legitimize_address): Also handle TFmode for E500 double.
6305         (rs6000_legitimize_reload_address): Also handle TFmode for E500
6306         double.
6307         (rs6000_legitimate_address): Also check for TFmode for E500
6308         double.
6309         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
6310         (spe_build_register_parallel): Handle TFmode and TCmode.
6311         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
6312         double.
6313         (function_arg): Handle TFmode and TCmode for E500 double.
6314         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
6315         in general.
6316         (print_operand): Handle TFmode and TImode for %y.
6317         (rs6000_generate_compare): Handle TFmode comparisons for E500
6318         double.
6319         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
6320         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
6321         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
6322         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
6323         TFmode for E500 double.
6324         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
6325         (floatsidf2): Enable for E500 double.
6326         (movtf_softfloat): Use rs6000_nonimmediate_operand.
6327         (extenddftf2): Change to extenddftf2_fprs.
6328         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
6329         depending on TARGET_E500_DOUBLE.
6330         (extendsftf2): Enable for E500 double.
6331         (trunctfdf2): Enable for E500 double.
6332         (trunctfsf2): Change to trunctfsf2_fprs.
6333         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
6334         depending on TARGET_E500_DOUBLE.
6335         (floatsitf2): Enable for E500 double.
6336         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
6337         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
6338         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
6339         (negtf2): Change to negtf2_internal.
6340         (negtf2): New expander.
6341         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
6342         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
6343         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
6344         (movdi_internal32): Use rs6000_nonimmediate_operand.
6345         (unnamed splitter): Likewise.
6346         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
6347         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
6348         (SPE64TF, DITI): New mode macros.
6349         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
6350         modes.
6351         (frob_tf_ti): New.
6352         (frob_<mode>_di_2): New.
6353         (frob_tf_di_8_2): New.
6354         (frob_di_df): Change to frob_di_<mode>; allow more modes.
6355         (frob_ti_tf): New.
6356         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
6357         more modes.
6358         (frob_ti_<mode>_8_2): New.
6359         (frob_ti_tf_2): New.
6360         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
6361         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
6362         TFmode.
6363         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
6364         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
6365         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
6366         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
6367         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
6368         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
6369         tsttflt_gp): New.
6371 2007-01-23  Ian Lance Taylor  <iant@google.com>
6373         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
6374         insn-*.o first.
6375         (OBJS-archive): Reformat, alphabetize.
6376         (OBJS): Change out_object_file to OBJS-md.
6378 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
6380         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
6381         JUMP_P and CALL_P predicates where applicable.
6382         * config/i386/i386.c: Ditto.
6383         * config/i386/i386.md: Ditto.
6384         * config/i386/mmx.md: Ditto.
6385         * config/i386/predicates.md: Ditto.
6387 2007-01-22  Andreas Schwab  <schwab@suse.de>
6389         * config/m68k/m68k.h: Fix comment.
6391 2007-01-22  Jan Hubicka  <jh@suse.cz>
6393         * passes.c (init_optimization_passes): Do not rerun
6394         pass_early_warn_uninitialized.
6396 2007-01-22  Richard Guenther  <rguenther@suse.de>
6398         PR tree-optimization/30038
6399         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
6400         function.
6401         (execute_cse_sincos_1): Likewise.
6402         (execute_cse_sincos): Likewise.
6403         (gate_cse_sincos): Likewise.
6404         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
6405         the cexpi() canonicalization of sincos().
6406         * tree-pass.h (pass_cse_sincos): Declare.
6407         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
6409 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
6411         PR rtl-optimization/29329
6412         * combine.c (replaced_rhs_insn): Rename to i2mod.
6413         (replaced_rhs_value): Rename to i2mod_new_rhs.
6414         (i2mod_old_rhs): New global variable.
6415         (combine_instructions): Adjust for above change.  Save a copy of
6416         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
6417         note are substituted in the second instruction.
6418         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
6419         ditch the note if it pertains to the second eliminated register
6420         and this register is mentioned in i2mod_old_rhs.
6422         Revert:
6423         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
6425         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
6426         the insn to which the note was originally attached.
6428 2007-01-21  Jan Hubicka  <jh@suse.cz>
6430         * ipa-inline.c (inlining_mode): Comment, move up.
6431         (cgraph_decide_inlining_incrementally): Do not perform inlining
6432         itself; fix handling of flattening of self recursive functions.
6433         (cgraph_find_cycles): Remove.
6434         (cgraph_flatten_node): Remove.
6435         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
6436         (try_inline): New function.
6437         (cgraph_early_inlining): Update call of
6438         cgraph_decide_inlining_incrementally.  Apply inlining here.
6439         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
6441 2007-01-21  Dirk Mueller  <dmueller@suse.de>
6443         PR bootstrap/30511
6444         * tree-vrp.c (check_array_bounds): do not warn
6445         about ADDR_EXPR's of ARRAY_REF's which are immediately
6446         used in binary expressions.
6448 2007-01-21  Ira Rosen  <irar@il.ibm.com>
6450         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
6451         read_write_dep and macros for its access.
6452         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
6453         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
6454         argument, call vect_check_interleaving for every independent pair of
6455         data-refs. Mark loads that access the same memory location as a store
6456         in the loop.
6457         (vect_check_dependences): Remove.
6458         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
6459         call, fix the call to vect_analyze_data_ref_dependence.
6460         (vect_analyze_data_ref_access): For statements that access the same
6461         data-ref, check that they are not stores; for loads, check that there
6462         is no store that access the same location.
6464 2007-01-20  Roger Sayle  <roger@eyesopen.com>
6465             Joseph Myers  <joseph@codesourcery.com>
6467         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
6468         (-fdump-rtl-stack): Likewise.
6469         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
6470         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
6471         (-mpt-fixed): Use @minus{} for minus sign.
6472         (Using Precompiled Headers): Fix under/overfull hbox.
6474 2007-01-20  Jan Hubicka  <jh@suse.cz>
6476         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
6477         place within annotation.
6479 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6481         * pa.c (output_move_double): Change array size of xoperands to 4.
6483 2007-01-20  Jan Hubicka  <jh@suse.cz>
6485         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
6486         as temporary.
6488 2007-01-19  Ian Lance Taylor  <iant@google.com>
6490         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
6491         constant to unsigned HOST_WIDE_INT before negating.
6493 2007-01-19  Ian Lance Taylor  <iant@google.com>
6495         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
6496         to unsigned.
6497         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
6498         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
6499         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
6500         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
6501         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
6502         (realloc_vdef, realloc_vuse): Change second parameter to
6503         unsigned.
6504         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
6505         fields to unsigned.
6506         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
6507         unsigned. Change x and lim locals to unsigned.
6508         (realloc_vdef, realloc_vuse): Change num_elem parameter to
6509         unsigned.
6510         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
6511         (copy_virtual_operands): Change i and n locals to unsigned.
6513 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6515         PR middle-end/29335
6516         * builtins.c (fold_builtin_1): Handle builtin fdim.
6518 2007-01-20  Jan Hubicka  <jh@suse.cz>
6520         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
6521         * tree-ssa-structalias.c (compute_points_to_sets): Do call
6522         init_alias_heapvars.
6523         (init_alias_heapvars): Initialize only when not already initialized.
6524         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
6526 2007-01-19  Roger Sayle  <roger@eyesopen.com>
6528         * common.opt (fsigned-zeros): New command line option.
6529         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
6530         of flag_unsafe_math_optimizations.
6531         * opts.c (set_fast_math_flags): The -ffast-math command line option
6532         implies -fno-signed-zeros.
6533         (fast_math_flags_set_p): Likewise.
6535         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
6536         the documentation of -ffast-math appropriately.  Wrap long lines.
6538 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
6540         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
6541         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
6543 2007-01-19  Tomas Bily  <tbily@suse.cz>
6545         * cgraphunit.c (cgraph_finalize_function): Updating of pid
6546         * tree-profile.c:
6547         (tree_init_ic_make_global_vars): New function
6548         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
6549         (tree_gen_ic_profiler): New function
6550         (tree_gen_ic_func_profiler): New function
6551         (tree_profiling): Added calling of tree_gen_ic_func_profiler
6552         (tree_profile_hooks): Added hook for indirec/virtual calls
6553         * value-prof.c (tree_find_values_to_profile): New case for
6554         indirect calls
6555         (tree_values_to_profile): Call for determining indirect/virtual
6556         counters
6557         (tree_indirect_call_to_profile): New function
6558         (tree_ic_transform): New function
6559         (tree_ic): New function
6560         (find_func_by_pid): New function
6561         (init_pid_map): New function
6562         (tree_value_profile_transformations): Added check for
6563         indirect/virtual call transformation
6564         * value-prof.h (enum hist_type): New counter type for
6565         indirect/virtual calls
6566         (profile_hooks): Added new hook for profiling indirect/virtual
6567         calls
6568         * profile.c (instrument_values): New case for indirect/virtual
6569         call added
6570         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
6571         (GCOV_COUNTER_V_INDIR): New counter type
6572         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
6573         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
6574         call added
6575         * cgraph.c: Definition of cgraph_max_pid
6576         (cgraph_create_node): Default init of pid attribute
6577         * cgraph.h: Declaration of cgraph_max_pid
6578         (struct cgraph_node): Added pid attribute
6579         * libgcov.c (__gcov_indirect_call_profiler): New function
6580         (__gcov_one_value_profiler_body): New function
6581         (__gcov_one_value_profiler): Body was moved to
6582         __gcov_one_value_profiler_body and calls it
6584 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
6586         * doc/gty.texi (Options): Document the mark_hook option to GTY.
6587         * gengtype.c (write_types_data, write_func_for_structure,
6588         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
6589         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
6590         (walk_type, write_func_for_structure): Generate the mark_hook if
6591         needed.
6593 2007-01-19  Jan Hubicka  <jh@suse.cz>
6595         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
6596         'early' argument take inlining mode argument specifying whether to
6597         inline for size/speeed or all functions; add support for flattening;
6598         improve dumpting.
6599         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
6601 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6603         PR c++/17947
6604         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
6605         the name of the declared identifier.
6607 2007-01-19  Dirk Mueller  <dmueller@suse.de>
6609         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
6610         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
6611         duplicate evaluation.
6613 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
6615         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
6616         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
6617         to XFMode, use acosxf2 and truncate result to requested mode.
6618         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
6619         (asin<mode>2): Similarly, with asin expanders.
6620         (*fscalexf4_i387): Rename from *fscalexf4.
6621         (expNcorexf3): New expander.
6622         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
6623         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
6624         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
6625         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
6626         patterns for SSE math.
6627         (exp10<mode>2): Similarly, with exp10 expanders.
6628         (exp2<mode>2): Similarly, with exp2 expanders.
6629         (expm1<mode>2): Similarly, with expm1 expanders.
6630         (ldexp<mode>3): Similarly, with ldexp expanders.
6631         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
6632         Use gen_truncxf<mode>2_i387_noop to truncate result.
6634 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
6636         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
6637         for ColdFire targets.
6639 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
6640             Richard Sandiford  <richard@codesourcery.com>
6642         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
6643         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
6644         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
6645         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
6646         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
6647         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
6649 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
6651         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
6652         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
6653         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
6654         (*adddi_dilshr32_cf): New pattern.
6655         (adddi3, subdi3): Remove first alternatives.
6657 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
6659         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
6660         implemented using move.l, do not use its cc result for floating-point
6661         comparisons.
6663 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
6665         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
6666         from accepting 's' constraints if flag_pic.
6668 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
6670         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
6671         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
6672         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
6673         condition from TARGET_68881 to TARGET_HARD_FLOAT.
6675 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
6677         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
6678         ColdFire alternatives.
6679         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
6680         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
6681         architectures that support ff1 instruction.
6683 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
6684             Julian Brown  <julian@codesourcery.com>
6686         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
6687         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
6688         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
6689         Add commentary.
6691 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
6693         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
6694         and return a bool.
6695         (output_move_const_into_data_reg, output_move_simode_const): Delete.
6696         * config/m68k/m68k.c (const_method, const_int_cost): Take a
6697         HOST_WIDE_INT instead of an rtx.
6698         (m68k_rtx_costs): Update call accordingly.
6699         (output_move_const_into_data_reg): Likewise.  Fix formatting.
6700         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
6701         Return a bool.
6702         (output_move_simode_const): Update calls after above changes.
6703         Rework to use automatic variables and predicates like MEM_P.
6704         * config/m68k/m68k.md (pushexthisi_const): Update call to
6705         valid_mov3q_const.
6707 2007-01-19  Dirk Mueller  <dmueller@suse.de>
6709         * tree-ssa-alias.c (perform_var_substitution): Fix typo
6710         in dump_flags test.
6712 2007-01-19  Richard Guenther  <rguenther@suse.de>
6714         * builtins.c (expand_builtin_cexpi): Fall back to expanding
6715         via cexp in case sincos is not available.
6717 2007-01-19  Richard Guenther  <rguenther@suse.de>
6719         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
6720         * defaults.h (TARGET_HAS_SINCOS): Default to off.
6721         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
6722         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
6723         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
6724         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
6725         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
6726         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
6728 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
6730         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
6731         New insn patterns.
6732         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
6733         (atan2xf3): Directly generate RTL pattern.
6734         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
6735         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
6736         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
6737         disable patterns for SSE math.
6738         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
6739         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
6740         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
6741         disable patterns for SSE math.
6743 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
6745         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
6747 2007-01-18  Roger Sayle  <roger@eyesopen.com>
6749         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
6750         VIEW_CONVERT_EXPR to the same type as it's operand.
6752 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
6754         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
6755         configured for long double 128.
6757 2007-01-18  Mike Stump  <mrs@apple.com>
6759         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
6760         error.
6762 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
6764         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
6765         type correct.
6767 2007-01-18  Jan Hubicka  <jh@suse.cz>
6769         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
6770         greater than NUM_VOP_FREE_BUCKETS.
6772 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
6774         * tree-ssa-structalias.c: Update comments.
6775         (ptabitmap_obstack): Removed.
6776         (pta_obstack): New.
6777         (oldpta_obstack): Ditto.
6778         (stats): Add a few members.
6779         (struct variable_info): Remove node, complex, address_taken, and
6780         indirect_target members. Add oldsolution member.
6781         (new_var_info): Do not initialize removed members.
6782         (constraint_expr_type): Remove INCLUDES.
6783         (constraint_graph): Add size, implicit_preds, rep,
6784         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
6785         (FIRST_REF_NODE): New macro.
6786         (LAST_REF_NODE): Ditto.
6787         (FIRST_ADDR_NODE): Ditto.
6788         (find): New function.
6789         (unite): Ditto.
6790         (dump_constraint): Do not handle INCLUDES.
6791         (insert_into_complex): Do not insert duplicate constraints.
6792         (condense_varmap_nodes): Renamed and rewritten into ...
6793         (merge_node_constraints): This. Also fix bug in handling of
6794         offseted copy constraints.
6795         (clear_edges_for_node): No longer need to deal with preds at all,
6796         or removing associated preds/succs.
6797         (merge_graph_nodes): Deal with indirect_cycles.
6798         Don't deal with predecessors.
6799         (add_implicit_graph_edge): New function.
6800         (add_pred_graph_edge): Ditto.
6801         (add_graph_edge): Don't deal with predecessors.
6802         (build_constraint_graph): Removed.
6803         (build_pred_graph): New function.
6804         (build_succ_graph): Ditto.
6805         (struct scc_info): Removed in_component. Added roots, dfs, and
6806         node_mapping. Remove visited_index, unification_queue.
6807         (scc_visit): Deal with union-find we do now.
6808         Deal with cycles with REF nodes.
6809         (collapse_nodes): Renamed and rewritten to ...
6810         (unify_nodes): This.
6811         (process_unification_queue): Removed.
6812         (topo_visit): Cleanup
6813         (do_da_constraint): Use find.
6814         (do_sd_constraint): Ditto.
6815         (do_ds_constraint): Ditto.
6816         (do_complex_constraint): Ditto.
6817         (init_scc_info): Update for removed and added members.
6818         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
6819         (find_indirect_cycles): This.
6820         (equivalence_class): New variable.
6821         (label_visit): New function.
6822         (perform_variable_substitution): Rewritten.
6823         (free_var_substitution_info): New function.
6824         (find_equivalent_node): Ditto.
6825         (move_complex_constraints): Ditto.
6826         (eliminate_indirect_cycles): Ditto.
6827         (solve_graph): Only propagate changed bits.
6828         Use indirect cycle elimination.
6829         Use find.
6830         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
6831         (tree_id_eq): Renamed to ...
6832         (tree_vi_eq): This. Update for member change
6833         (insert_id_for_tree): Renamed and rewritten to ...
6834         (insert_vi_for_tree): This.
6835         (lookup_id_for_tree): Renamed and rewritten to ...
6836         (lookup_vi_for_tree): This.
6837         (get_id_for_tree): Renamed and rewritten to ...
6838         (get_vi_for_tree): Ditto.
6839         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
6840         (process_constraint): Don't handle INCLUDES.
6841         Remove special ADDRESSOF case.
6842         (find_func_aliases): Rewrite to use vi functions instead of id
6843         ones.
6844         (create_function_info_for): Ditto.
6845         (create_variable_info_for): Ditto.
6846         (intra_create_variable_infos): Ditto.
6847         (merge_smts_into): Ditto.
6848         (find_what_p_points_to): Ditto.
6849         (init_base_vars): Ditto.
6850         (init_alias_vars): Ditto.
6851         (remove_preds_and_fake_succs): New function.
6852         (dump_sa_points_to_info): Dump new stats.
6853         (dump_solution_for_var): Use find.
6854         (set_used_smts): Fix formatting.
6855         (compute_points_to_sets): Updated for new functions.
6856         (ipa_pta_execute): Ditto.
6858 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
6859             Richard Sandiford  <richard@codesourcery.com>
6861         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
6862         parallels.
6863         * calls.c (expand_call): If the return value is a PARALLEL,
6864         extract its first member.
6865         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
6866         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
6867         use FUNCTION_EXTRA_EPILOGUE.
6868         (m68k_function_value): Return a PARALLEL if the return value
6869         is of a pointer type.
6870         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
6871         (FUNCTION_EXTRA_EPILOGUE): Remove.
6872         * config/m68k/m68k.md (D0_REG): New constant.
6874 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
6876         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
6877         output a NOP for empty epilogues.
6879 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6881         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
6882         before function.  Extend register save check to include all
6883         registers, not just integer ones.
6885 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
6887         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
6888         (m68k_use_return_insn): ...this.
6889         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
6890         * config/m68k/m68k.c (use_return_insn): Rename to...
6891         (m68k_use_return_insn): ...this.
6892         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
6893         of USE_RETURN_INSN.
6895 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
6897         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
6898         nearest even, fix denormal rounding overflow.
6900 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6902         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
6903         f%$smove and f%$move.
6904         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
6905         (extendsfdf2_cf): Use fdmove instead of f%&move.
6906         (truncdfsf2_cf): Use fsmove instead of f%$smove.
6907         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
6909 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6911         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
6912         GPR<-GPR moves.
6914 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6916         * real.h (real_format): Add a canonical_nan_lsbs_set field.
6917         (coldfire_single_format): Declare.
6918         (coldfire_double_format): Likewise.
6919         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
6920         of qnan_msb_set to determine the lower bits of a canonical
6921         NaN significand.
6922         (encode_ieee_double): Likewise.
6923         (encode_ieee_quad): Likewise.
6924         (ieee_single_format): Initialize canonical_nan_lsbs_set.
6925         (mips_single_format): Likewise.
6926         (ieee_double_format): Likewise.
6927         (mips_double_format): Likewise.
6928         (ieee_extended_motorola_format): Likewise.
6929         (ieee_extended_intel_96_format): Likewise.
6930         (ieee_extended_intel_128_format): Likewise.
6931         (ieee_extended_intel_96_round_53_format): Likewise.
6932         (ibm_extended_format): Likewise.
6933         (mips_extended_format): Likewise.
6934         (ieee_quad_format): Likewise.
6935         (mips_quad_format): Likewise.
6936         (vax_f_format): Likewise.
6937         (vax_d_format): Likewise.
6938         (vax_g_format): Likewise.
6939         (i370_single_format): Likewise.
6940         (i370_double_format): Likewise.
6941         (decimal_single_format): Likewise.
6942         (decimal_double_format): Likewise.
6943         (decimal_quad_format): Likewise.
6944         (c4x_single_format): Likewise.
6945         (c4x_extended_format): Likewise.
6946         (real_internal_format): Likewise.
6947         (coldfire_single_format): New real_format.
6948         (coldfire_double_format): Likewise.
6949         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
6950         canonical_nan_lsbs_set.
6951         (pdp11_d_format): Likewise.
6952         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
6953         if TARGET_COLDFIRE_CPU.
6955 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6957         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
6958         (output_call, m68k_legitimize_call_address): Declare.
6959         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
6960         parenthesees.  Add support for a 'W' constraint.
6961         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
6962         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
6963         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
6964         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
6965         variables.
6966         (override_options): Initialize them.  Do not set flag_no_function_cse
6967         for TARGET_ID_SHARED_LIBRARY.
6968         (m68k_output_pic_call): Delete.
6969         (m68k_legitimize_call_address): New function.
6970         (print_operand): Remove the %o prefix.  Handle the %p prefix.
6971         (output_call): New function.
6972         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
6973         target address from the GOT if symbolic jumps are not allowed.
6974         * config/m68k/m68k.md (call, general_operand): Do not set
6975         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
6976         Merge separate flag_pic and !flag_pic define_insns into...
6977         (*call, *call_value): ...these new patterns.  Match the address
6978         rather than the containing MEM and require it to be a call_operand.
6979         Use output_call to generate the asm template.
6980         * config/m68k/predicates.md (const_call_operand): New predicate.
6981         (call_operand): Likewise.
6983 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
6985         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
6986         (STACK_GROWS_DOWNWARD): Define to 1.
6987         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
6988         comments, emphasizing that these values are only defaults.
6989         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
6990         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
6992 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
6994         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
6996 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
6997             Richard Sandiford  <richard@codesourcery.com>
6999         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
7000         (FP_REGNO_P): New macros.
7001         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
7002         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
7003         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
7004         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
7006 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7008         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7009         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
7010         to $tmake_file.
7011         * config/m68k/t-floatlib: New file, extracting common code from...
7012         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
7013         * config/m68k/t-uclinux: Here.
7014         * config/m68k/fpgnulib.c: Do not compile extendeed precision
7015         routines on ColdFire targets.
7017 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
7019         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7020         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
7021         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
7022         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
7023         explicitly set MOTOROLA to 1.
7024         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
7026 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7027             Nathan Sidwell  <nathan@codesourcery.com>
7029         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
7030         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
7031         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
7032         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
7033         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
7034         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
7035         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
7036         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
7037         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
7038         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
7039         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
7040         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
7041         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
7042         (DBX_REGISTER_NUMBER): Delete.
7043         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
7044         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
7045         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
7047 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7049         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
7050         * config/flat.h: New file.
7051         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
7052         OBJECT_FORMAT_FLAT.
7053         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
7054         indirect references for -msep-data or -mid-shared-library.
7055         Do not use PC-relative code addresses either.
7056         * config/m68k/m68k.c (override_options): Restrict -fPIC error
7057         to -mpcrel.
7058         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
7059         for shared libraries and crt1.o for executables.  Use crti.o and
7060         crtbegin.o.
7061         (ENDFILE_SPEC): Use crtend.o and crtn.o.
7062         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
7063         Do not add -elf2flt or -shared-lib-id options here.
7064         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
7065         Pass -shared-lib-id if -mid-shared-library, taking the library
7066         identifier from -mshared-library-id if given, otherwise
7067         defaulting to 0.
7068         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
7069         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
7070         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
7071         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
7072         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
7073         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
7074         and crtend.o.
7075         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
7076         jump sequence for ISA A and ISA A+.
7077         (PICJUMP): Likewise.
7079 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7081         * config.gcc (m68k-*-uclinux*): Base the port on the common
7082         and m68k GNU/Linux files rather than on the generic ELF ones.
7083         * config/m68k/uclinux.h (TARGET_VERSION): Override.
7084         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
7086 2007-01-18  Julian Brown  <julian@codesourcery.com>
7087             Richard Sandiford  <richard@codesourcery.com>
7089         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
7090         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
7091         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
7092         before redefining.
7093         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
7094         80 unconditionally.
7095         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
7097 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
7099         * doc/install.texi: Document m68k-uclinuxoldabi.
7100         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
7101         * config/m68k/uclinux-oldabi.h: New file, copied from
7102         config/m68k/uclinux.h.
7104 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
7106         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
7107         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
7108         (m32r_compute_frame_size): Use unsigned for regno.
7109         (m32r_reload_lr): Use gen_frame_mem.
7110         (pop): New.
7111         (m32r_output_function_epilogue): Don't output the function epilogue
7112         textually here.
7113         (m32r_expand_epilogue): New.
7114         (direct_return): Return false if the function has the interrupt
7115         attribute.
7116         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
7117         * config/m32r/m32r.md (epilogue): New expander.
7118         (return_lr, return_rte): New insns.
7119         (return): Make it expander.
7120         (return_normal): New expander.
7122 2007-01-18  Josh Conner  <jconner@apple.com>
7124         PR target/30485
7125         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
7126         support for UNLE, UNLT, UNGE, and UNGT.
7128 2007-01-18  Jan Hubicka  <jh@suse.cz>
7130         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
7131         * tree-tailcall (add_virtual_phis): Likewise.
7132         (optimize_tail_call): Return TODOs.
7133         (execute_tail_calls): Return TODOs.
7134         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
7135         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
7136         changed.
7137         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
7138         Cleanup cfg using TODO.
7139         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
7140         * passes.c (execute_function_todo): When cleanup did something, remove
7141         unused locals.
7142         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
7143         (make_edges): Don't cleanup_cfg.
7145 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
7147         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
7148         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
7149         operate on the top of stack.
7150         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
7151         register handling of instructions that output to the second
7152         stack slot.
7153         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
7154         (move_for_stack_reg): Special-case check for dead destination
7155         stack slot for constant load of 1.0 inside UNSPEC_TAN.
7157         * config/i386/i386.md (UNSPEC_TAN): New constant.
7158         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
7159         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
7160         to correctly model move of constant 1.0 to top stack slot.
7161         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
7162         (unnamed peephole2 pattern): Remove corresponding peephole2
7163         pattern that optimizes tan insn and loading of constant 1.0.
7164         (tanxf2): Use fptanxf4_i387.
7165         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
7166         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
7167         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
7168         disable patterns for SSE math.
7169         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
7170         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
7172 2007-01-18  Dirk Mueller  <dmueller@suse.de>
7173             Richard Guenther <rguenther@suse.de>
7175         PR diagnostic/8268
7176         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
7177         * common.opt (Warray-bounds): Add new warning option.
7178         * c-opts.c (c_common_handle_option): Define -Warray-bounds
7179         if -Wall is given.
7180         * Makefile.in: make tree-vrp.o depend on toplev.h
7181         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
7182         is enabled.
7183         (check_array_refs, check_array_bounds, check_array_ref): New.
7185 2007-01-18  Jan Hubicka  <jh@suse.cz>
7187         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
7188         (execute_ssa_ccp): Return flags conditionally.
7189         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
7190         changed.
7191         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
7193 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
7195         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
7196         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
7198         * Makefile.c (GTFILES): Add cfglayout.h.
7199         * gengtype.c (open_base_files): Likewise.
7200         * cfglayout.c (cfg_layout_function_footer,
7201         cfg_layout_function_header) Reindent to make gengtype happy.
7202         * cfglayout.h (cfg_layout_function_footer,
7203         cfg_layout_function_header): Add GTY(()) marker.
7205         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
7207 2007-01-18  Ben Elliston  <bje@au.ibm.com>
7209         * genautomata.c (write_automata): Include xstrerror output in the
7210         error message if writing the DFA description file fails.
7212 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
7214         * config/mips/mips-protos.h (mips_output_external): Make it
7215         return void.
7216         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
7217         * config/mips/mips.c (irix_output_external_libcall): Likewise.
7218         (extern_list): Likewise.
7219         (extern_head): Likewise.
7220         (TARGET_ASM_FILE_END): Likewise.
7221         (mips_file_end): Likewise.
7222         (mips_output_external): Rewritten.
7224 2007-01-18  Ben Elliston  <bje@au.ibm.com>
7226         * genpreds.c (write_insn_preds_c): Only write out the function
7227         body for regclass_for_constraint if we have register constraints.
7229 2007-01-17  Tom Tromey  <tromey@redhat.com>
7231         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
7232         * doc/install.texi (Testing): Use sourceware.org.
7233         (Binaries): Likewise.
7234         (Specific): Likewise.
7235         * doc/contrib.texi (Contributors): Use sourceware.org.
7237 2007-01-17  Anatoly Sokolov <aesok@post.ru>
7239         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
7240         (AVR_ENHANCED): Rename to ...
7241         (AVR_HAVE_MUL): ... new.
7242         (avr_enhanced_p): Rename to ...
7243         (avr_have_mul_p): ... new.
7244         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
7245         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
7246         * config/avr/avr.c (avr_enhanced_p): Rename to ...
7247         (avr_have_mul_p): ... new.
7248         (base_arch_s): Rename 'enhanced' to 'have_mul'.
7249         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
7250         'avr_enhanced_p' and 'enhanced'.
7251         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
7252         AVR_HAVE_MUL instead of AVR_ENHANCED.
7253         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
7254         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
7255         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
7256         instead of AVR_ENHANCED.
7257         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
7258         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
7259         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
7261 2007-01-17  Ian Lance Taylor  <iant@google.com>
7263         * vec.h (VEC_reserve_exact): Define.
7264         (vec_gc_p_reserve_exact): Declare.
7265         (vec_gc_o_reserve_exact): Declare.
7266         (vec_heap_p_reserve_exact): Declare.
7267         (vec_heap_o_reserve_exact): Declare.
7268         (VEC_OP (T,A,reserve_exact)): New static inline function, three
7269         versions.
7270         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
7271         negative parameter.
7272         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
7273         (VEC_OP (T,A,copy)) [all versions]: Likewise.
7274         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
7275         * vec.c (calculate_allocation): Add exact parameter.  Change all
7276         callers.
7277         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
7278         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
7279         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
7280         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
7281         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
7282         (vec_heap_p_reserve_exact): New function.
7283         (vec_heap_o_reserve_exact): New function.
7285 2007-01-17  Jan Hubicka  <jh@suse.cz>
7287         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
7289 2007-01-17  Eric Christopher  <echristo@apple.com>
7291         * config.gcc: Support core2 processor.
7293 2007-01-16  Jan Hubicka  <jh@suse.cz>
7295         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
7296         the names, just unlink the chain so we don't crash on dangling pointers
7297         to dead SSA names.
7299 2007-01-16  Jan Hubicka  <jh@suse.cz>
7301         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
7302         * tree-pass.h: Reorder to make IPA passes appear toegher.
7303         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
7304         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
7305         parameters, do not call early inliner.
7306         * ipa-inline.c: Update comments.  Include tree-flow.h
7307         (cgraph_decide_inlining): Do not compute inlining parameters.
7308         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
7309         be called with function context set up.
7310         (pass_ipa_inline): Remove unreachable functions before pass.
7311         (cgraph_early_inlining): Simplify assuming to be called from the
7312         PM as local pass.
7313         (pass_early_inline): New pass.
7314         (cgraph_gate_ipa_early_inlining): New gate.
7315         (pass_ipa_early_inline): Turn into simple wrapper.
7316         (compute_inline_parameters): New function.
7317         (gate_inline_passes): New gate.
7318         (pass_inline_parameters): New pass.
7319         (apply_inline): Move here from tree-optimize.c
7320         (pass_apply_inline): New pass.
7321         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
7322         transforming.
7323         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
7324         doing them by hand.
7325         (tree_function_versioning): Do not allocate dummy struct function.
7326         * tree-inline.h (optimize_inline_calls): Update prototype.
7327         * tree-optimize.c (execute_fixup_cfg): Export.
7328         (pass_fixup_cfg): Remove
7329         (tree_rest_of_compilation): Do not apply inlines.
7330         * tree-flow.h (execute_fixup_cfg): Declare.
7331         * Makefile.in (gt-passes.c): New.
7332         * passes.c: Include gt-passes.h
7333         (init_optimization_passes): New passes.
7334         (nnodes, order): New static vars.
7335         (do_per_function_toporder): New function.
7336         (execute_one_pass): Dump current pass here.
7337         (execute_ipa_pass_list): Don't dump current pass here.
7339 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
7341         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
7342         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
7344 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
7346         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
7347         (strong_alias): Define.
7348         (__gcc_qmul): Provide non-FMA for soft-float.
7349         (__gcc_qdiv): Same.
7350         (__gcc_qneg): New.
7351         (__gcc_qeq): New.
7352         (__gcc_qle): New.
7353         (__gcc_qge): New.
7354         (__gcc_qunord): New.
7355         (__gcc_stoq): New.
7356         (__gcc_dtoq): New.
7357         (__gcc_qtos): New.
7358         (__gcc_qtod): New.
7359         (__gcc_qtoi): New.
7360         (__gcc_qtou): New.
7361         (__gcc_itoq): New.
7362         (__gcc_utoq): New.
7363         (fmsub): New.
7364         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
7365         soft-float functions.
7366         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
7367         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
7368         about long double soft float.
7370 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
7371             Tehila Meyzels  <tehila@il.ibm.com>
7373         * tree-vectorizer.h (is_pattern_stmt_p): New.
7374         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
7375         formatting (tabs instead of spaces). Cleanup and clarify setting
7376         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
7377         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
7378         (vectorizable_type_demotion): Check that types are integral.
7379         (vectorizable_type_promotion): Likewise.
7380         (vectorizable_store): Fix typo.  Eliminate new-line at end of
7381         comments.
7383 2007-01-16  Jan Hubicka  <jh@suse.cz>
7385         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
7386         cgraph edges too.
7388 2007-01-15  Eric Christopher  <echristo@apple.com>
7390         * ifcvt.c: Include vec.h, vecprim.h.
7391         (check_cond_move_block): New argument regs.
7392         Reorganize. Add registers used to regs.
7393         (cond_move_process_if_block): Use regs set above as
7394         loop bounds.
7396 2007-01-15  Eric Christopher  <echristo@apple.com>
7398         * config/darwin.h: Update copyright.
7399         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
7400         (LINK_COMMAND_SPEC): Add -u.
7401         (LINK_SPEC): Fix umbrella for above.
7403 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
7405         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
7406         glibc CVS.
7408 2007-01-15  Tom Tromey  <tromey@redhat.com>
7410         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
7411         * doc/install.texi (Testing): Don't mention jacks.
7412         (Configuration): Document --enable-java-maintainer-mode.  Move
7413         --with-java-home to libgcj-specific section.  Document
7414         --with-ecj-jar.
7415         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
7417 2007-01-15  Jan Hubicka  <jh@suse.cz>
7419         * tree-ssa-dce.c (DCE_TODOs): New.
7420         (propagate_necessity): Return if something changed.
7421         (eliminate_unnecessary_stmts): Likewise.
7422         (perform_tree_ssa_dce): Return TODO flags when needed.
7423         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
7425 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
7427         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
7428         (fyl2x_extend<mode>xf3_i387): New insn pattern.
7429         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
7430         patterns using X87MODEF12 mode macro.  Extend operand 1
7431         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
7432         (log10<mode>2): Ditto.
7433         (log2<mode>2): Ditto.
7434         (log1p<mode>2): Ditto.
7435         (logb<mode>2): Ditto.
7436         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
7437         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
7438         (*fxtractxf3_i387): Rename from *fxtractxf3.
7439         (fxtract_extend<mode>xf3_i387): New insn pattern.
7440         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
7441         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
7442         and gen_fyl2xxf3_i387().
7444 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
7446         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
7447         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
7448         get_loop_exit_edges.  Changed return type to bool.
7449         * cfgloop.h (fix_loop_placement): Declaration removed.
7451 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
7453         * param.h (MIN_VECT_LOOP_BOUND): New.
7454         * params.def (MIN_VECT_LOOP_BOUND): New.
7455         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
7456         argument - minimum threshold for number of iterations.
7457         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
7458         argument to declaration.
7459         * tree-vect-analyze.c (vect_analyze_operations): Check value of
7460         MIN_VECT_LOOP_BOUND.
7461         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
7462         slpeel_tree_peel_loop_to_edge with additional argument.
7463         (vect_do_peeling_for_alignment): Likewise.
7464         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
7466 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
7468         PR target/30413
7469         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
7470         operands of size 1.
7472 2007-01-14  Jan Hubicka  <jh@suse.cz>
7474         * tree-dfa.c (remove_referenced_var): New function.
7475         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
7476         prune referenced vars list too.
7477         * tree-flow.h (remove_referenced_var): Declare.
7479 2007-01-14  Jan Hubicka  <jh@suse.cz>
7481         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
7482         separately.
7483         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
7484         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
7485         * except.h (verify_eh_throw_table_statements): Kill prototype.
7486         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
7487         into call exrepssions.
7488         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
7489         eh trhow verifier.
7490         * tree-cfg.c: Include pointer-set.h.
7491         (verify_node_sharing): Work on pointer set.
7492         (verify_eh_throw_stmt_node): New.
7493         (verify_stmts): Use pointers sets, verify throw_stmt.
7495 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
7497         * ipa-reference.c (analyze_function): Consider also addresses taken
7498         in phi nodes.
7500 2007-01-12  Roger Sayle  <roger@eyesopen.com>
7502         * c-typeck.c (null_pointer_constant_p): Replace use of
7503         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7504         (build_c_cast): Likewise.
7506 2007-01-12  Roger Sayle  <roger@eyesopen.com>
7508         * tree.h (force_fit_type_double): Remove unused final argument.
7509         * c-common.c (constant_expression_warning): Replace use of
7510         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7511         (convert_and_check): Likewise.
7512         (shorten_compare): Update call to force_fit_type_double.
7513         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
7514         * convert.c (convert_to_pointer): Update call to
7515         force_fit_type_double.
7516         * fold-const.c (force_fit_type_double): Remove overflowed_const
7517         argument.
7518         (int_const_binop, fold_convert_const_int_from_int,
7519         fold_convert_const_int_from_real, fold_div_compare,
7520         fold_sign_changed_comparison, fold_unary, fold_negate_const,
7521         fold_abs_const, fold_not_const): Remove the final argument from
7522         calls to force_fit_type_double.
7524 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7526         * configure.ac: Set insn to "nop" for spu-*-* also.
7527         * configure: Regenerate.
7529 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
7531         * builtins.def : Add BUILT_IN_FREE.
7533 2007-01-12  Jan Hubicka  <jh@suse.cz>
7535         PR tree-optimization/30443
7536         * tree-inline.c (tree_function_versioning): Do not optimize when
7537         cloning for inlining.
7539 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
7541         * doc/loop.texi: Document recording of loop exits.
7542         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
7543         (update_single_exits_after_duplication,
7544         update_single_exit_for_duplicated_loop,
7545         update_single_exit_for_duplicated_loops): Removed.
7546         (duplicate_loop_to_header_edge): Do not call
7547         update_single_exits_after_duplication and
7548         update_single_exit_for_duplicated_loops.
7549         (loop_version): Do not update single_exit information.
7550         (fix_loop_structure): Use record_loop_exits instead of
7551         mark_single_exit_loops.
7552         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
7553         the lists of loop exits.
7554         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
7555         split_edge, merge_blocks): Update the lists of loop exits.
7556         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
7557         loop_optimizer_init.
7558         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
7559         of mark_single_exit_loops.
7560         (loop_optimizer_finalize): Call release_recorded_exits.
7561         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
7562         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
7563         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
7564         update single exit information.
7565         * lambda-code.c (perfect_nestify): Ditto.
7566         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
7567         (mark_single_exit_loops): Removed.
7568         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
7569         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
7570         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
7571         functions.
7572         (get_loop_exit_edges, single_exit): Use recorded exit lists.
7573         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
7574         (verify_loop_structure): Verify consistency of the exit lists.
7575         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
7576         (set_single_exit): Removed.
7577         * cfgloop.h (struct loop_exit): New function.
7578         (struct loop): single_exit_ field replaced by exits field.
7579         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
7580         (struct loops): Added exits hash.
7581         (mark_single_exit_loops, set_single_exit): Declaration removed.
7582         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
7584 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
7586         * doc/invoke.texi: Avoid use of @headitem.
7588 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
7590         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
7592 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
7594         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
7595         list of targets.
7597 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
7598             Richard Sandiford  <richard@codesourcery.com>
7600         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
7601         * config/m68k/m68k.opt: Resort options.
7602         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
7604 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
7605             Richard Sandiford  <richard@codesourcery.com>
7607         * doc/invoke.texi: Document the macros that are defined by
7608         m68k's -mtune and -mhard-float options.
7609         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
7610         (m68k_cpp_cpu_family): Likewise.
7611         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
7612         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
7613         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
7614         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
7615         (m68k_cpp_cpu_family): Likewise.
7617 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
7619         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
7620         macros besides mc68000 as tuning macros.  Use a switch statement
7621         to set them and mcpu32.
7623 2007-01-12  Julian Brown  <julian@codesourcery.com>
7625         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
7626         (TARGET_68040_ONLY): Rename to...
7627         (TARGET_68040): ...this.
7628         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
7629         * config/m68k/m68k.md: Likewise.
7631 2007-01-12  Julian Brown  <julian@codesourcery.com>
7632             Nathan Sidwell  <nathan@codesourcery.com>
7633             Richard Sandiford  <richard@codesourcery.com>
7635         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
7636         the -mcpu= argument associated with the --with-cpu setting.
7637         Define M68K_DEFAULT_TUNE to the default -mtune= option,
7638         if different from the one implied by the -mcpu setting.
7639         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
7640         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
7641         * doc/invoke.texi: Mention ColdFire in the introduction to the
7642         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
7643         -mno-div and -mhard-float options.  Make -m68881 a synonym for
7644         -mhard-float.  Document the previously-undocumented -m5206e,
7645         -m528x, -m5307 and -m5407 options.  Tweak the existing option
7646         documentation for consistency.
7647         * doc/install.texi: Mention new --with-cpu arguments.
7648         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
7649         default CPU if neither -mcpu nor -march are specified.
7650         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
7651         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
7652         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
7653         using m68k_tune to decide between families that implement the
7654         same ISA.  Use m68k_tune to set __mcfv4e__.
7655         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
7656         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
7657         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
7658         (FL_ISA_C, FL_ISA_MMU): New macros.
7659         (MASK_COLDFIRE): Delete.
7660         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
7661         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
7662         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
7663         (TARGET_HARD_FLOAT): Do not define here.
7664         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
7665         (TUNE_68000): New macro.
7666         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
7667         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
7668         (TUNE_CFV2): Redefine in terms of m68k_tune.
7669         (uarch_type, target_device, fpu_type): New enums.
7670         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
7671         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
7672         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
7673         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
7674         (FL_FOR_isa_c): New macros.
7675         (m68k_isa): New enum.
7676         (m68k_target_selection): New structure.
7677         (all_devices, all_isas, all_microarchs): New tables.
7678         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
7679         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
7680         (MASK_ALL_CPU_BITS): Delete.
7681         (m68k_find_selection): New function.
7682         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
7683         Map the legacy target options to a combination of the new ones.
7684         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
7685         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
7686         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
7687         settings.
7688         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
7689         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
7690         properties.
7691         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
7692         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
7693         * config/m68k/m68k-devices.def: New file.
7695 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
7696             Nathan Sidwell  <nathan@codesourcery.com>
7698         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
7699         (SUBTARGET_EXTRA_SPECS): New macros.
7700         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
7701         use %(asm_cpu_spec) instead.
7702         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
7703         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
7704         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
7705         (EXTRA_SPECS): Rename to...
7706         (SUBTARGET_EXTRA_SPECS): ...this.
7708 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
7709             Richard Sandiford  <richard@codesourcery.com>
7710             Julian Brown  <julian@codesourcery.com>
7712         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
7713         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
7714         to the configuration's default CPU.
7715         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
7716         Remove default masks.
7717         (m680[012]0-*-*): Set the default with_cpu to the first part of
7718         the target name.
7719         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
7720         (m68k*-*-linux): Extend the --with-cpu handling to...
7721         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
7722         and m68010.  Don't set target_cpu_default2.
7723         * doc/install.texi: Document --with-cpu for m68k.
7724         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
7725         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
7726         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
7727         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
7728         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
7729         (ASM_SPEC): Remove use of %(asm_cpu_default).
7730         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
7731         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
7732         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
7733         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
7734         __HAVE_FPU__ if TARGET_HARD_FLOAT.
7735         (TARGET_DEFAULT): Delete.
7736         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
7737         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
7738         (CPP_CPU_SPEC): Delete.
7739         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
7740         the appropriate string.
7741         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
7742         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
7743         (ASM_SPEC): Don't use %(asm_default_spec).
7744         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7745         TARGET_DEFAULT and add MASK_68881.
7746         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
7748 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
7750         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
7751         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
7752         MASK_68010 alongside MASK_68020.
7753         * doc/invoke.texi: Document -m68010.
7754         * config/m68k/m68k.opt (m68010): New.
7755         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
7756         if TUNE_68010.
7757         (TUNE_68010): New macro.
7758         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
7759         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
7760         (M68K_CPU_m68332): Add MASK_68010.
7761         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
7762         fallback definition.
7763         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
7764         defines.
7765         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
7766         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
7767         to all entries that use MASK_68020.
7768         (output_move_simode_const, output_move_himode, output_move_qimode)
7769         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
7770         instead of TARGET_68020 to select clr behavior.  Remove comment
7771         about there being no TARGET_68010.
7772         * config/m68k/m68k.md: Likewise throughout.
7774 2007-01-12  Julian Brown  <julian@codesourcery.com>
7776         * config/m68k/m68k.h (TARGET_ISAB): New macro.
7777         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
7778         * config/m68k/m68k.md: Likewise.
7780 2007-01-12  Julian Brown  <julian@codesourcery.com>
7782         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
7783         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
7785 2007-01-12  Julian Brown  <julian@codesourcery.com>
7787         * config/m68k/m68k.h (TUNE_68040_60): New macro.
7788         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
7789         * config/m68k/m68k.md: Likewise.
7791 2007-01-12  Julian Brown  <julian@codesourcery.com>
7792             Richard Sandiford  <richard@codesourcery.com>
7794         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
7795         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
7796         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
7797         TARGET_CPU32.
7798         (TARGET_CPU32): Rename to...
7799         (TUNE_CPU32): ...this.
7800         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
7801         (TUNE_CFV2): New macros.
7802         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
7803         remove conditions that are implied by TARGET_68020.
7804         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
7805         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
7806         (m68k_output_function_epilogue): Likewise.
7807         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
7808         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
7809         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
7810         non-68000 timings.  Refactor multiplication and division costs.
7811         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
7812         TUNE_CPU32 instead of TARGET_CPU32.
7813         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
7814         and TUNE_68060 instead of TARGET_68060.
7815         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
7816         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
7817         TARGET_CPU32.
7818         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
7819         && !TARGET_COLDFIRE" to choose between moveq and clr.
7820         Likewise in the unnamed movsf pattern.
7821         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
7822         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
7823         ashiftrt pattern.
7825 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
7827         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
7828         of tabbing before backslashes.
7830 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7832         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
7833         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
7834         (ASM_OUTPUT_INTERNAL_LABEL): Define.
7836 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
7838         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
7839         find_interesting_uses_cond.
7840         (find_interesting_uses_cond): Use extract_cond_operands.
7841         (rewrite_use_compare): Use extract_cond_operands and
7842         force_gimple_operand_bsi.  Do not call update_stmt.
7843         (determine_use_iv_cost_condition): Use extract_cond_operands.
7844         Return cheaper of using original bound and changing the exit bound.
7846 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
7848         PR tree-optimization/29516
7849         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
7850         most_expensive_mult_to_index, addr_to_parts,
7851         create_mem_ref, maybe_fold_tmr): Make the type of
7852         fields of TARGET_MEM_REF sizetype.
7853         (move_fixed_address_to_symbol, move_pointer_to_base):
7854         New functions.
7855         * tree.def (TARGET_MEM_REF): Add comment on types of
7856         the operands.
7858 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
7860         * c-common.c (vector_types_convertible_p): Treat opaque types as
7861         always convertible if they have the same size, but not otherwise.
7863 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
7865         * ifcvt.c (struct noce_if_info): Add comments to the fields.
7866         Remove the b_unconditional field.
7867         (noce_try_sign_mask): Do not look at b_unconditional.
7868         (noce_process_if_block): Do not use merge_if_blocks.  Update
7869         the CFG here.  Do not set b_unconditional.
7870         (cond_move_process_if_block): Likewise.
7871         (find_cond_trap): Likewise.
7872         (check_cond_move_block): Require simple jump insns at the end
7873         of the basic block.
7875 2007-01-11  Jan Hubicka  <jh@suse.cz>
7877         PR tree-optimization/1046
7878         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
7879         when alias info is not ready.
7880         (pass_tail_recursion): Do not require aliasing.
7881         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
7882         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
7883         * tree-ssa-copy.c (pass_copy_prop): Likewise.
7884         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
7885         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
7886         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
7887         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
7888         before inlining.
7889         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
7890         When aliasing is not build, mark statement as volatile.
7892 2007-01-11  Tom Tromey  <tromey@redhat.com>
7894         PR preprocessor/15185, PR preprocessor/20989:
7895         * doc/cppopts.texi <-MT>: Update description of algorithm for
7896         computing default target.
7897         <-M, -MD>: Reword "basename" text.
7899 2007-01-11  Roger Sayle  <roger@eyesopen.com>
7901         * builtins.c (expand_builtin_pow, expand_builtin_powi,
7902         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
7903         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
7904         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
7905         fold_builtin_bswap, real_constp, fold_builtin_pow,
7906         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
7907         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
7908         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
7909         * convert.c (convert_to_pointer): Likewise.
7910         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
7911         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
7912         const_binop, fold_convert_const_int_from_int,
7913         fold_convert_const_int_from_real,
7914         fold_convert_const_real_from_real, sign_bit_p,
7915         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
7916         fold_sign_changed_comparison, fold_unary, fold_comparison,
7917         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
7918         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
7919         * print-tree.c (print_node_brief, print_node): Likewise.
7920         * stor-layout.c (place_field, layout_type): Likewise.
7921         * tree-chrec.c (keep_cast): Likewise.
7922         * tree.c (build_vector, build_real, build_real_from_int_cst,
7923         build_complex): Likewise.
7925 2007-01-11  Roger Sayle  <roger@eyesopen.com>
7927         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
7928         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
7930 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
7932         * configure.ac (strict1_warn): Rename to strict_warn.
7933         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
7934         cc_set_by_configure, quoted_cc_set_by_configure,
7935         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
7936         all_boot_languages, all_stagestuff): Remove.
7937         (target_list): Remove bootstrap targets.
7938         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
7939         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
7940         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
7941         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
7942         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
7943         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
7944         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
7945         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
7946         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
7947         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
7948         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
7949         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
7950         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
7951         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
7952         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
7953         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
7954         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
7955         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
7956         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
7957         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
7958         (mostlyclean): Adjust.
7959         (clean, distclean): Don't mention bootstrap stuff.
7960         * configure: Regenerate.
7961         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
7962         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
7963         treelang/config-lang.in (stagestuff): Remove.
7964         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
7965         stageprofile, stagefeedback, stagestuff): Remove mention.
7967 2007-01-11  Nick Clifton  <nickc@redhat.com>
7969         * config/mcore/predicates.md (mcore_general_movesrc_operand):
7970         Accept CONSTs.
7971         (mcore_general_movdst_operand): Do not accept CONST_INTs.
7972         (mcore_arith_K_S_operand): Run the test for the S constraint not
7973         the test for the M constraint.
7974         (mcore_addsub_operand): Do not accept integer values that are
7975         larger than 32 bits.
7976         * config/mcore/mcore.md: Remove unused constraints from split.
7977         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
7978         (addsi3): Likewise.
7979         (allocate_stack): Likewise.
7980         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
7981         operands to 32 bits.
7982         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
7983         INTVAL.
7984         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
7985         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
7986         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
7987         mcore_output_bclri, mcore_output_andn, output_inline_const,
7988         mcore_output_move, mcore_output_movedouble): Likewise.
7989         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
7990         (output_inline_const): Likewise.
7991         (output_inline_const): Fix format strings used in sprintf
7992         statements.
7993         * config/mcore/mcore-protos.h: Update prototypes for changed
7994         functions in mcore.c.
7995         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
7996         HOST_WIDE_INT and not int.
7997         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
7998         CONST_OK_FOR_N): Likewise.
7999         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
8000         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
8001         an INTVAL.
8003 2007-01-10  Jan Hubicka  <jh@suse.cz>
8005         * tree-vrp.c (remove_range_assertions): Release defs.
8006         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
8007         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
8009 2007-01-10  Paul Brook  <paul@codesourcery.com>
8011         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
8012         * config/arm/arm.md (mulsi3subsi): New insn.
8014 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
8016         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
8017         (tree_transform_and_unroll_loop): New.
8018         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
8019         Declare.
8021 2007-01-10  Robert Kennedy <jimbob@google.com>
8023         * fold-const.c (fold_comparison): Fold comparisons like (x *
8024         1000 < 0) to (x < 0).
8026 2007-01-10  Ian Lance Taylor  <iant@google.com>
8028         * tree-pretty-print.c (dump_generic_node): Print parentheses when
8029         operands have the same priority.
8031 2007-01-10  Tom Tromey  <tromey@redhat.com>
8033         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
8034         (fold_binary): Likewise.
8035         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
8036         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
8037         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
8038         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
8039         * langhooks.h (struct lang_hooks): Removed field
8040         'can_use_bit_fields_p'.
8042 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
8044         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
8046 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
8048         * function.c (get_last_funcdef_no): New function.
8049         * function.h (get_last_funcdef_no): Declare.
8050         * tree-inline.c (initialize_cfun): Add initialization.
8051         (tree_function_versioning): Cleanup.
8053 2007-01-10  Jan Hubicka  <jh@suse.cz>
8055         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
8056         PHIs.
8058 2007-01-10  Sa Liu  <saliu@de.ibm.com>
8059             Ben Elliston  <bje@au.ibm.com>
8061         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
8062         for SAVE_NONLOCAL and Pmode for any other save level.
8063         * spu-protos.h (spu_restore_stack_block): Declare.
8064         * spu.md (save_stack_block): Remove.
8065         (restore_stack_block): Call spu_restore_stack_block.
8066         * spu.c (spu_restore_stack_block): New function.
8067         (spu_expand_epilogue): Remove old comment.
8069 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
8071         PR tree-optimization/30322
8072         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
8073         (cand_value_at): Return the value as aff_tree.
8074         (may_eliminate_iv): Convert the bound from aff_tree to tree.
8075         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
8076         aff_combination_mult): New functions.
8077         (aff_combination_add): Use aff_combination_add_cst.
8078         (aff_combination_convert): Allow conversions to a wider type.
8079         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
8080         * tree-affine.h (aff_combination_mult): Declare.
8082 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
8084         * doc/tm.texi: Update documentation to reflect reality of exec
8085         and start file search behaviours. Update copyright year.
8086         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
8087         header file directories.
8089 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
8091         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
8092         (*cosxf2): Rename to cosxf2_i387.
8093         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
8094         using X87MODEF12 mode macro. Rename patterns to
8095         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
8096         for SSE math.
8097         (*cosdf2, *cossf2): Ditto.
8098         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
8099         to match extended input operands.
8100         (sincos<mode>3): New expander.
8101         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
8102         insn patterns and corresponding splitters.
8104 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
8106         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
8107         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
8109 2007-01-09  Nicolas Pitre  <nico@cam.org>
8111         PR target/30173
8112         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
8114 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
8116         * target.h (struct gcc_target): New field library_rtti_comdat.
8117         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
8118         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
8119         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
8120         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
8122 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
8124         * doc/invoke.texi (Optimize Options): Correct description of -O0.
8126 2007-01-08  Richard Guenther  <rguenther@suse.de>
8128         * tree.h (force_fit_type_double): Export.
8129         (force_fit_type): Remove.
8130         * fold-const.c (force_fit_type_double): New function.
8131         (force_fit_type): Remove.
8132         (int_const_binop): Use it.
8133         (fold_convert_const_int_from_int): Likewise.
8134         (fold_convert_const_int_from_real): Likewise.
8135         (fold_div_compare): Likewise.
8136         (fold_sign_changed_comparison): Likewise.
8137         (fold_unary): Likewise.
8138         (fold_negate_const): Likewise.
8139         (fold_abs_const): Likewise.
8140         (fold_not_const): Likewise.
8141         * c-common.c (shorten_compare): Use force_fit_type_double.
8142         * convert.c (convert_to_pointer): Likewise.
8144 2007-01-08  Richard Guenther  <rguenther@suse.de>
8146         * tree.h (build_int_cst_wide_type): Export.
8147         * tree.c (build_int_cst_wide_type): New function.
8148         (build_int_cst_wide): Fix comment.
8149         * builtins.c (fold_builtin_object_size): Use build_int_cst
8150         to build -1 or 0 of the correct type.  Use fit_double_type
8151         to check for overflow.
8152         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
8153         to build the mask.
8154         (decode_field_reference): Likewise.
8155         (all_ones_mask_p): Likewise.
8156         (native_interpret_int): Use build_int_cst_wide_type.
8157         (fold_binary): Use build_int_cst_type to build an all-ones
8158         value.
8159         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
8161 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
8163         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
8165 2007-01-09  Ben Elliston  <bje@au.ibm.com>
8167         * genautomata.c (STATS_OPTION): New option.
8168         (stats_flag): New flag.
8169         (gen_automata_option): Handle it.
8170         (initiate_automaton_gen): Ditto.
8171         (write_automata): Output statistics only if stats_flag is
8172         set. Likewise, output time statistics only if time_flag is set.
8173         * doc/md.texi (Processor pipeline description): Document new flag.
8175 2007-01-08  Richard Guenther  <rguenther@suse.de>
8177         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
8178         * tree.c (build_int_cst_type): Likewise.
8179         (size_in_bytes): Don't call force_fit_type on the result.
8180         (int_fits_type_p): Use fit_double_type.
8181         * fold-const.c (fit_double_type): New function.
8182         (force_fit_type): Use it.
8183         * tree.h (fit_double_type): Export.
8185 2007-01-08  Jan Hubicka  <jh@suse.cz>
8187         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
8188         * ipa.c (function_and_variable_visibility): Fix return type.
8190 2007-01-08  Richard Guenther  <rguenther@suse.de>
8192         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
8193         of offset to build the index.
8194         * tree-pretty-print.c (dump_generic_node): Don't build negated
8195         const just for printing.
8196         * c-pretty-print.c (pp_c_integer_constant): Likewise.
8197         * builtins.c (fold_builtin_int_roundingfn): Check if result
8198         fits the type by using force_fit_type and comparing the result.
8199         * predict.c (predict_loops): Use compare_tree_int for comparison.
8200         * tree.c (build_int_cst): Fall back to integer_type_node for
8201         NULL_TREE type.
8202         (build_int_cst_wide): Assert type is non-null.
8204 2007-01-08  Roberto Costa  <roberto.costa@st.com>
8206         * tree-vrp.c (extract_range_from_cond_expr): New.
8207         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
8208         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
8209         as expressions.
8210         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
8211         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
8212         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
8213         used as expressions.
8214         * tree-object-size.c (cond_expr_object_size): New.
8215         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
8217 2007-01-08  Jan Hubicka  <jh@suse.cz>
8219         * tree-ssa-forwprop.c (forward_propagate_into_cond,
8220         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
8221         statement.
8223 2007-01-08  Richard Guenther  <rguenther@suse.de>
8225         PR tree-optimization/23603
8226         * tree-vrp.c (set_value_range_to_truthvalue): New function.
8227         (extract_range_from_binary): Fall back to truthvalue instead of
8228         varying for TRUTH_*_EXPR.
8229         (extract_range_from_comparison): Fall back to truthvalue instead of
8230         varying.
8231         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
8232         if all visited PHI values were constant.
8234 2007-01-08  Jan Hubicka  <jh@suse.cz>
8236         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
8237         (cgraph_analyze_function): break out from ...
8238         (cgraph_finalize_compilation_unit): ... here.
8239         (cgraph_expand_function): Remove forgoten commented out line.
8240         (cgraph_optimize): Analyze functions.
8242 2007-01-08  Jan Hubicka  <jh@suse.cz>
8244         * tree-pas.h (TODO_remove_function): New flag.
8245         (TODO_update*): Renumber.
8246         (pass_ipa_increase_alignment,
8247         pass_ipa_function_and_variable_visibility): New passes.
8248         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
8249         (cgraph_function_and_variable_visibility): Move to ipa.c
8250         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
8251         cgraph_increase_alignment.
8252         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
8253         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
8254         calling tree-inline.
8255         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
8256         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
8257         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
8258         (gate_increase_alignment): New function.
8259         (pass_ipa_increase_alignment): New pass.
8260         * ipa.c: Inline tree-pass.h and timevar.h
8261         (function_and_variable_visibility): Move here from cgraphunit.c
8262         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
8263         * passes.c (init_optimization_passes): Add the two new passes.
8264         (execute_todo): Handle cgraph_remove_functions.
8266 2007-01-08  Nick Clifton  <nickc@redhat.com>
8268         * config/frv/predicates.md (reg_or_0_operand): Accept
8269         CONST_DOUBLEs.
8271 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
8273         * config/bfin/rtems.h, config/bfin/t-rtems: New.
8274         * config.gcc: Add bfin*-rtems*.
8276 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
8278         * c.opt: Add -flax-vector-conversions.
8279         * c-typeck.c (convert_for_assignment): Pass flag to
8280         vector_types_convertible_p to allow emission of note.
8281         (digest_init): Likewise.
8282         * c-opts.c: Handle -flax-vector-conversions.
8283         * c-common.c (flag_lax_vector_conversions): New.
8284         (vector_types_convertible_p): Unless -flax-vector conversions
8285         has been passed, disallow conversions between vectors with
8286         differing numbers of subparts and/or element types.  If such
8287         a conversion is disallowed, possibly emit a note on the first
8288         occasion only to inform the user of -flax-vector-conversions.
8289         The new last argument specifies this.
8290         * c-common.h (flag_lax_vector_conversions): New.
8291         (vector_types_convertible_p): Add extra argument.
8292         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
8293         char_type_node for V*QI type vectors.
8294         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
8295         Update to satisfy new typechecking rules.
8296         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
8297         C and C++ variants.
8298         * doc/invoke.texi (C Dialect Options): Document
8299         -flax-vector-conversions.
8301 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
8303         PR tree-optimization/29877
8304         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
8305         a register variable on the RHS to not be replaceable.
8307 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
8308         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
8309         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
8310         const_simm15, const_pow2, const_npow2): Added.
8311         * config/score/misc.md (insv, extv, extzv, movmemsi,
8312         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
8313         * config/score/score.c (score_address_cost, score_select_cc_mode):
8314         Added.
8315         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
8316         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
8317         Update score_print_operand.
8318         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
8319         Adjust register allocate order and update some macro define.
8320         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
8321         mdx_block_move_straight, mdx_block_move_loop_head,
8322         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
8323         mdx_block_move): Added.
8324         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
8325         mdp_limm): Updated and fix some bug and typo.
8326         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
8327         (movsf, movdf, doloop_end): Added.
8329 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
8331         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
8332         config/arm/thumb2.md: Fix comment typos.
8333         * doc/extend.texi: Fix a typo.
8335 2007-01-07  Eric Christopher  <echristo@apple.com>
8337         * configure.ac: Check for __stack_chk_fail for darwin.
8338         * configure: Regenerate.
8340 2007-01-07  Richard Guenther  <rguenther@suse.de>
8342         * tree-vrp.c (extract_range_from_assert): CSE calls to
8343         compare_values where possible.
8344         (extract_range_from_unary_expr): Likewise.
8346 2007-01-07  Anatoly Sokolov <aesok@post.ru>
8348         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
8349         * config/avr/avr.c (call_insn_operand): Delete function.
8350         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
8351         instead of register number. Use predicates.
8352         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
8353         call_insn_operand): Add.
8355 2007-01-06  Jan Hubicka  <jh@suse.cz>
8357         * tree-pass.h (pass_build_cgraph_edges): Declare.
8358         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
8359         (visited_nodes): Remove.
8360         (cgraph_create_edges): Move to cgraphbuild.c; rename to
8361         build_cgrpah_edges; make visited_nodes local.
8362         (cgraph_process_new_functions): DO not call initialize_inline_failed.
8363         (record_references_in_initializer): Move to cgraphbuild.c
8364         (initialize_inline_failed, rebuild_cgraph_edges,
8365         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
8366         (verify_cgraph_node): Make visited_nodes local.
8367         (cgraph_analyze_function): Do not call cgraph_create_edges and
8368         initialize_inline_failed.
8369         (cgraph_expand_function): Do not call cgraph_lower_function;
8370         assert that function is already lowered.
8371         * Makefile.in (cgraphbuild.o): New.
8372         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
8373         at the end of lowering passes.
8375 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
8377         * ifcvt.c (cond_move_convert_if_block): New function, code
8378         factored out from...
8379         (cond_move_process_if_block): ...here.  Call the new function
8380         on the THEN and ELSE blocks.
8381         (merge_if_block): Do not copy global_live_at_end, merge_blocks
8382         already takes care of this.
8384 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8386         PR c/19978
8387         * tree.h (TREE_OVERFLOW_P): New.
8388         * c-typeck.c (parser_build_unary_op): Warn only if result
8389         overflowed and operands did not.
8390         (parser_build_binary_op): Likewise.
8391         (convert_for_assignment): Remove redundant overflow_warning.
8392         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
8394 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8396         * c-typeck.c (store_init_value): Split over two lines to follow
8397         the GNU coding style.
8399 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
8401         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
8402         __GXX_EXPERIMENTAL_CXX0X__.
8403         * doc/cpp.texi: Same.
8405 2007-01-05  Richard Guenther  <rguenther@suse.de>
8407         PR middle-end/27826
8408         * tree.c (get_narrower): Do not construct COMPONENT_REFs
8409         with mismatched types.  Instead explicitly build a
8410         conversion NOP_EXPR.
8412 2007-01-05  Ian Lance Taylor  <iant@google.com>
8414         * c-common.c (decl_with_nonnull_addr_p): New function.
8415         (c_common_truthvalue_conversion): Call it.
8416         * c-typeck.c (build_binary_op): Likewise.
8417         * c-common.h (decl_with_nonnull_addr_p): Declare.
8419 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
8421         PR c/30360
8422         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
8423         denom against 0.0.
8425 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
8427         * doc/install.texi (Final install): Document the fact that
8428         the GNAT runtime should not be stripped.
8430 2007-01-04  Jan Hubicka  <jh@suse.cz>
8432         * tree-inline.c (fold_marked_statements): Update operand caches
8433         and EH after folding
8435 2007-01-04  Ian Lance Taylor  <iant@google.com>
8437         * c-common.c (check_function_nonnull): Whitespace fix.
8439 2007-01-04  Jan Hubicka  <jh@suse.cz>
8441         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
8442         comitted older version of patch.
8443         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
8444         function, celanup cfg and collect garbage.
8446 2007-01-04  Mike Stump  <mrs@apple.com>
8448         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
8449         (clean): Likewise.
8451 2007-01-04  Eric Christopher  <echristo@apple.com>
8453         * libgcc2.c (__bswapsi2): Use SItype.
8454         (__bswapdi2): Use DItype.
8455         * libgcc2.h: Update for above.
8457 2007-01-04  Paul Brook  <paul@codesourcery.com>
8459         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
8460         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
8461         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
8462         umulsidi3, umulsidi3adddi, smulsi3_highpart,
8463         umulsi3_highpart): Make conditional on !arm_arch6.
8464         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
8465         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
8466         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
8467         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
8468         umulsi3_highpart_v6): New insns.
8470 2007-01-04  Roger Sayle  <roger@eyesopen.com>
8472         * fold-const.c (fold_convert): When casting an expression to void,
8473         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
8474         have a type.  Instead of attempting to build a NOP_EXPR, return
8475         these "special" trees directly.
8477 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
8479         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
8480         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
8481         rs6000_cost->fp not 0 as adjustment for outer NEG.
8483 2007-01-04  Jan Hubicka  <jh@suse.cz>
8485         * cgraph.c (cgraph_release_function_body): New function.
8486         (cgraph_remove_node): Use it.
8487         * cgraph.h (cgraph_release_function_body): Declare.
8488         * cgraphunit.c (cgraph_expand_function): Use it.
8489         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
8490         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
8491         is initialized and while compilation of other function is running.
8492         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
8493         statement CFG annotations from here to ...
8494         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
8496 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
8498         * cfgloop.h (enum li_flags): Make the constants powers of two.
8500 2007-01-04  Jan Hubicka  <jh@suse.cz>
8502         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
8503         set.
8504         (fold_marked_statements): New function.
8505         (optimize_inline_calls, tree_function_versioning): Fold new statements.
8506         * tree-inline.h (copy_body_data): Add statements_to_fold.
8508 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
8510         * config.gcc: Mention libgcc/config.host.
8511         * Makefile.in: Update comments mentioning libgcc.
8512         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
8513         (all.cross, start.encap, rest.encap, rest.cross): Update
8514         dependencies for libgcc move.
8515         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
8516         (clean-target, clean-target-libgcc): Delete.
8517         (srcdirify, GCC_EXTRA_PARTS): New macros.
8518         (libgcc-support, libgcc.mvars): New rules.
8519         (distclean): Remove mention of mklibgcc.
8520         (install): Don't reference INSTALL_LIBGCC.
8521         (install-common): Don't reference EXTRA_PARTS.
8522         (install-libgcc, install-multilib): Delete rules.
8523         * mklibgcc.in: Delete file.
8524         * doc/configfiles.texi: Don't mention mklibgcc.
8526         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
8527         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
8528         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
8529         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
8530         (mklibgcc, ldblspecs): Likewise.
8532         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
8533         (posixpre.def): Use $(T).
8534         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
8535         (SHLIB_SRC, SHLIB_INSTALL): Delete.
8536         (SHLIB_LINK): Make dummy.
8537         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
8539         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
8541         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
8542         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
8543         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
8544         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
8546         * configure.ac (all_outputs): Remove mklibgcc.
8547         * configure: Regenerated.
8549 2007-01-03  Josh Conner  <jconner@apple.com>
8551         PR middle-end/29683
8552         * calls.c (compute_argument_addresses): Set stack and stack_slot
8553         for partial args, too.
8554         (store_one_arg): Use locate.size.constant for the size when
8555         generating a save_area.
8557 2007-01-03  Robert Kennedy <jimbob@google.com>
8559         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
8560         whose definitions are deleted due to basic block merging.
8562 2007-01-03  Paul Brook  <paul@codesourcery.com>
8564         PR target/16634
8565         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
8566         functions.
8567         (use_return_insn): Return 0 for Thumb interrupt functions.
8568         (print_multi_reg): Add rfe argument for IRQ returns.
8569         (arm_output_epilogue): Pop interrupt return address directly into PC.
8570         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
8572 2007-01-03  Paul Brook  <paul@codesourcery.com>
8574         Merge from sourcerygxx-4_1.
8575         * config/arm/thumb2.md: New file.
8576         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
8577         Thumb-2.
8578         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
8579         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
8580         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
8581         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
8582         tables.
8583         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
8584         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
8585         comptibility.
8586         * config/arm/ieee754-sf.S: Ditto.
8587         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
8588         (thumb1_base_register_rtx_p): ... to this.
8589         (thumb_index_register_rtx_p): Rename...
8590         (thumb1_index_register_rtx_p): ... to this.
8591         (thumb_output_function_prologue): Rename...
8592         (thumb1_output_function_prologue): ... to this.
8593         (thumb_legitimate_address_p): Rename...
8594         (thumb1_legitimate_address_p): ... to this.
8595         (thumb_rtx_costs): Rename...
8596         (thumb1_rtx_costs): ... to this.
8597         (thumb_compute_save_reg_mask): Rename...
8598         (thumb1_compute_save_reg_mask): ... to this.
8599         (thumb_final_prescan_insn): Rename...
8600         (thumb1_final_prescan_insn): ... to this.
8601         (thumb_expand_epilogue): Rename...
8602         (thumb1_expand_epilogue): ... to this.
8603         (arm_unwind_emit_stm): Rename...
8604         (arm_unwind_emit_sequence): ... to this.
8605         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
8606         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
8607         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
8608         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
8609         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
8610         thumb2_output_casesi): New functions.
8611         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
8612         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
8613         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
8614         THUMB2_WORK_REGS): Define.
8615         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
8616         arm_condexec_mask, arm_condexec_masklen)): New variables.
8617         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
8618         (arm_override_options): Check new CPU capabilities.
8619         Set new architecture flag variables.
8620         (arm_isr_value): Handle v7m interrupt functions.
8621         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
8622         Thumb-2.
8623         (const_ok_for_arm): Handle Thumb-2 constants.
8624         (arm_gen_constant): Ditto.  Use movw when available.
8625         (arm_function_ok_for_sibcall): Return false for v7m interrupt
8626         functions.
8627         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
8628         (thumb_find_work_register, arm_load_pic_register,
8629         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
8630         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
8631         print_multi_reg, output_mov_long_double_fpa_from_arm,
8632         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
8633         output_mov_double_fpa_from_arm, output_move_double,
8634         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
8635         output_return_instruction, arm_output_function_prologue,
8636         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
8637         arm_output_mi_thunk, thumb_set_return_address): Ditto.
8638         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
8639         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
8640         (arithmetic_instr, shift_op): Use arm_shift_nmem.
8641         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
8642         '!' and 'L'.
8643         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
8644         (thumb_expand_prologue): Use thumb_set_frame_pointer.
8645         (arm_file_start): Output directive for unified syntax.
8646         (arm_unwind_emit_set): Handle stack alignment instruction.
8647         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
8648         Add v6t2, v7, v7a, v7r and v7m.
8649         (RETLDM): Add Thumb-2 code.
8650         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
8651         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
8652         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
8653         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
8654         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
8655         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
8656         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
8657         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
8658         ADJUST_INSN_LENGTH): Define.
8659         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
8660         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
8661         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
8662         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
8663         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
8664         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
8665         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
8666         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
8667         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
8668         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
8669         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
8670         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
8671         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
8672         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
8673         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
8674         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
8675         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
8676         cortex-m3.
8677         * config/arm/arm-tune.md: Regenerate.
8678         * config/arm/arm-protos.h: Update prototypes.
8679         * config/arm/vfp.md: Enable patterns for Thumb-2.
8680         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
8681         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
8682         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
8683         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
8684         * config/arm/libunwind.S: Add Thumb-2 code.
8685         * config/arm/constraints.md: Update include Thumb-2.
8686         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
8687         * config/arm/ieee754-df.S: Ditto.
8688         * config/arm/bpabi.S: Ditto.
8689         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
8690         * config/arm/predicates.md (low_register_operand,
8691         low_reg_or_int_operand, thumb_16bit_operator): New.
8692         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
8693         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
8694         * config/arm/t-arm-elf: Add armv7 multilib.
8695         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
8696         Include thumb2.md.
8697         (UNSPEC_STACK_ALIGN, ce_count): New.
8698         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
8699         arm_zero_extendsidi2, arm_zero_extendqidi2): New
8700         insns/expanders.
8701         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
8702         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
8703         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
8704         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
8705         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
8706         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
8707         insns.
8708         * doc/extend.texi: Document ARMv7-M interrupt functions.
8709         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
8711 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
8713         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
8714         (struct _Unwind_Context): Rename args_size to flags, remove
8715         signal_frame field, add a new args_size field and version field.
8716         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
8717         _Unwind_IsExtendedContext): New inline functions.
8718         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8719         Assume by_value array is only present if _Unwind_IsExtendedContext.
8720         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
8721         _Unwind_IsSignalFrame.
8722         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
8723         (uw_update_context_1): Use _Unwind_SetSignalFrame.
8724         (uw_init_context_1): Initialize context->flags to
8725         EXTENDED_CONTEXT_BIT.
8726         * config/rs6000/linux-unwind.h (frob_update_context): Use
8727         _Unwind_SetSignalFrame.
8729 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8731         PR middle-end/30353
8732         * gimplify.c (gimplify_modify_expr_complex_part): Move below
8733         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
8734         the value.
8736 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
8738         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
8739         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
8740         RET, AT_SP): Remove.
8741         * config/i386/i386.md (*sse_prologue_save_insn): Use return
8742         instead of RET.
8744         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8745         * cfgbuild.c (find_basic_blocks): Likewise.
8746         * cfgrtl.c (rtl_create_basic_block): Likewise.
8747         * function.c (temp_slots_at_level): Likewise.
8748         * reg-stack.c (stack_regs_mentioned): Likewise.
8749         * regclass.c (allocate_reg_info): Likewise.
8750         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8751         set_bb_for_stmt, move_block_to_fn): Likewise.
8752         * tree-complex.c (tree_lower_complex): Likewise.
8753         * vec.h (VEC_safe_grow_cleared): New.
8755         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
8757 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
8759         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
8760         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
8761         to loop_version.
8762         * cfgloopmanip.c (scale_loop_frequencies): Export.
8763         (loopify): Scale the frequencies by prescribed coefficients.
8764         (set_zero_probability): New function.
8765         (duplicate_loop_to_header_edge): Improve updating of frequencies.
8766         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
8767         and frequencies according to arguments.
8768         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
8769         correctly.
8770         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
8771         * modulo-sched.c (sms_schedule): Set probabilities for entering
8772         versioned loop correctly.
8773         * tree-vect-transform.c (vect_transform_loop): Ditto.
8774         * cfgloop.h (loopify, loop_version): Declaration changed.
8775         (scale_loop_frequencies): Declared.
8777 2007-01-02  Jan Hubicka  <jh@suse.cz>
8779         * cgraph.c: Include tree-flow.h
8780         (cgraph_add_new-function): Handle IPA_SSA mode; execute
8781         early_local_passes.
8782         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
8783         * tree-pass.h (pass_all_early_optimizations): Declare.
8784         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
8785         early_local_passes.
8786         (cgraph_analyze_function): Do early_local_passes.
8787         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
8788         Do not add referenced vars.
8789         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
8790         SSA form.
8791         (gate_all_early_local_passes): New gate.
8792         (pass_early_local_passes): Use new gate.
8793         (execute_early_local_optimizations): New functions.
8794         (gate_all_early_optimizations): New gate.
8795         (pass_all_early_optimizations): New pass.
8796         (execute_free_datastructures): Free SSA only when initialized.
8797         (gate_init_datastructures): Init only when optimizing.
8798         (tree_lowering_passes): Do early local passes when called late.
8799         * tree-profile.c (do_tree_profiling): Don't profile functions added
8800         late.
8801         (do_early_tree_profiling, pass_early_tree_profile): Kill.
8802         * tree-cfg.c (update_modified_stmts): Do not update when operands are
8803         not active.
8804         * passes.c (init_optimizations_passes): Reorder so we go into SSA
8805         during early_local_passes.
8806         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
8809 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
8811         * Makefile.in: Update copyright year.
8813 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
8815         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
8816         in $(lang_checks) and check-consistency targets.
8818 2007-01-02  Jan Hubicka  <jh@suse.cz>
8820         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
8821         Do not add referenced vars.
8822         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
8823         are not active.
8824         * passes.c (init_optimization_passes): Put mudflap_2 after
8825         free_datastructures.
8827 2007-01-02  Jan Hubicka  <jh@suse.cz>
8829         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
8830         Set NOTHROW flag on call statements proved to be nothrow.
8831         Update statement of local calls so new pure/const functions are
8832         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
8833         goto receivers.
8834         (tree_rest_of_compilation): Register hooks and initialize bitmap
8835         early. Do not set after_inlining flag.
8837 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
8839         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
8840         HOST_BITS_PER_LONGLONG
8842 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8844         PR c/19977
8845         * c-typeck.c (store_init_value): Don't emit pedantic overflow
8846         warning for non-static initializers.
8848 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
8850         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
8851         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
8852         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
8853         Always use set_unique_reg_note to add REG_EQUAL notes.
8855 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
8857         Revert:
8858         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
8860         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8861         * cfgbuild.c (find_basic_blocks): Likewise.
8862         * cfgrtl.c (rtl_create_basic_block): Likewise.
8863         * function.c (temp_slots_at_level): Likewise.
8864         * reg-stack.c (stack_regs_mentioned): Likewise.
8865         * regclass.c (allocate_reg_info): Likewise.
8866         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8867         set_bb_for_stmt, move_block_to_fn): Likewise.
8868         * tree-complex.c (tree_lower_complex): Likewise.
8869         * vec.h (VEC_safe_grow_cleared): New.
8871 2007-01-02  Ian Lance Taylor  <iant@google.com>
8873         * c-common.c (c_common_truthvalue_conversion): When warning about
8874         using an assignment as a truth value, set TREE_NO_WARNING.
8876 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8878         PR middle-end/7651
8879         * c.opt (Wold-style-declaration): New.
8880         * doc/invoke.texi (C-only Warning Options): New.
8881         (Wold-style-declaration): Document it.
8882         (Wextra): Enabled by -Wextra.
8883         * c-opts.c (c_common_post_options): Enabled by -Wextra.
8884         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
8885         -Wold-style-declaration.
8887 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
8889         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
8890         * cfgbuild.c (find_basic_blocks): Likewise.
8891         * cfgrtl.c (rtl_create_basic_block): Likewise.
8892         * function.c (temp_slots_at_level): Likewise.
8893         * reg-stack.c (stack_regs_mentioned): Likewise.
8894         * regclass.c (allocate_reg_info): Likewise.
8895         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
8896         set_bb_for_stmt, move_block_to_fn): Likewise.
8897         * tree-complex.c (tree_lower_complex): Likewise.
8898         * vec.h (VEC_safe_grow_cleared): New.
8900 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
8902         * c-common.c (c_common_nodes_and_builtins): Since variants of
8903         void_type_node get built before it is given a name, we need to
8904         give those variants the name, too.
8905         (complete_array_type): We need to work with the canonical main
8906         type of the array, from which we will build the qualified version.
8907         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
8908         * print-tree.c (print_node): Display canonical type information
8909         for each type.
8910         * stor-layout.c (layout_type): When we don't know the
8911         alignment of a type for which we're building an array, we end up
8912         guessing wrong, so make the type require structural equality.
8913         * tree.c (make_node_stat): When we build a new type, it is its
8914         own canonical type.
8915         (build_type_attribute_qual_variant): When building an attribute
8916         variant, its canonical type is the non-attribute variant. However,
8917         if the attributes are target-dependent and they differ, we need to
8918         use structural equality checks for this type.
8919         (build_qualified_type): A qualified type is not equivalent to its
8920         unqualified variant; set the canonical type appropriately.
8921         (build_distinct_type_copy): When building a distinct type from
8922         another type, the new type is its own canonical type.
8923         (build_variant_type_copy): When building a new type variant, we
8924         assume that it is equivalent to the original type.
8925         (build_pointer_type_for_mode): When building a pointer type, also
8926         build a canonical type pointer.
8927         (build_reference_type_for_mode): When building a reference type,
8928         also build a canonical type reference.
8929         (build_index_type): When we can't hash an index type (e.g.,
8930         because its maximum value is negative), the index type requires
8931         structural equality tests.
8932         (build_array_type): Build the canonical form of an array type.
8933         (build_function_type): Function types require structural equality,
8934         because they contain default arguments, attributes, etc.
8935         (build_method_type_directly): Ditto for method types.
8936         (build_offset_type): Build the canonical offset type.
8937         (build_complex_type): Build the canonical vector type.
8938         (make_vector_type): Build the canonical vector type.
8939         * tree.h (TYPE_CANONICAL): New.
8940         (TYPE_STRUCTURAL_EQUALITY_P): New.
8941         (SET_TYPE_STRUCTURAL_EQUALITY): New.
8942         (struct tree_type): Added "canonical" field.
8943         * params.h (VERIFY_CANONICAL_TYPES): New.
8944         * doc/c-tree.texi (TYPE_CANONICAL): Document.
8945         (TYPE_STRUCTURAL_EQUALITY_P): Document.
8946         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
8947         * doc/invoke.texi (verify-canonical-types): Document --param
8948         parameter for verifying canonical types.
8950 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
8952         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
8953         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
8954         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
8955         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
8956         tm_file.
8957         * config/rs6000/e500.h: New.
8958         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
8959         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
8960         Remove.
8961         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
8962         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
8963         TARGET_E500_DOUBLE): Remove.
8964         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
8965         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
8966         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
8967         * config/rs6000/rs6000.c (rs6000_override_options): Use
8968         CHECK_E500_OPTIONS.
8970 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
8972         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
8973         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
8974         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
8975         rs6000_emit_cmove): Don't check TARGET_E500.
8976         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
8977         sordered): Don't check TARGET_E500.
8979 2007-01-01  Eric Christopher  <echristo@apple.com>
8981         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
8982         HARD_REGISTER_NUM_P.
8984 2007-01-01  Roger Sayle  <roger@eyesopen.com>
8986         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
8987         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
8988         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
8989         eq/ne Y".
8991 2007-01-01  Mike Stump  <mrs@apple.com>
8993         * configure.ac: Remove support for building with Apple's gcc-3.1.
8995 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
8997         PR middle-end/30311
8998         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
8999         REG is a hard register.  Do not modify REG before calling
9000         subreg_nregs.
9001         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
9002         multiple of the size of YMODE for certain lowpart cases.
9004 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9006         PR middle-end/30253
9007         * gimplify (voidify_wrapper_expr): Update for
9008         GIMPLE_MODIFY_STMT.
9010 2007-01-01  Andreas Schwab  <schwab@suse.de>
9012         PR target/29166
9013         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
9014         save of BR0 in extra_spill_size instead of spill_size.
9015         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
9016         area.
9017         (ia64_expand_epilogue): Restore BR0 from its new location.
9019 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9021         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
9022         Use a temporary variable if the left hand side is not a gimple
9023         register.
9025 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
9027         * gimplify.c (gimplify_return_expr): Make the temporary variable
9028         for the return expression, a gimple register variable.
9030 2007-01-01  Jan Hubicka  <jh@suse.cz>
9032         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
9033         INSN_LIST.
9035 2007-01-01  Mike Stump  <mrs@apple.com>
9037         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
9038         .literal16.
9039         * config/darwin.c (machopic_select_rtx_section): Use
9040         HAVE_GAS_LITERAL16.
9041         (darwin_mergeable_constant_section): Likewise.
9042         * configure: Regenerate.
9043         * config.in: Regenerate.
9045 2007-01-01  Jan Hubicka  <jh@suse.cz>
9046             Andrew Pinski  <pinskia@gmail.com>
9048         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
9049         before starting IPA passes.