re PR middle-end/31710 (ICE in in set_value_range, at tree-vrp.c:278)
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blob9e1510b2f5ed8cac31191bbf8b2bb026de93072c
1 2007-04-27  Ian Lance Taylor  <iant@google.com>
3         PR middle-end/31710
4         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
5         TYPE_MAX_VALUE exist, convert them to the new type.
7 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
9         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
10         if it claims to be available.
11         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
12         edge is redirected.
13         (perform_tree_ssa_dce): Always free postdominators.
15 2007-04-27  Richard Henderson  <rth@redhat.com>
17         * config/alpha/predicates.md (aligned_memory_operand): Mark
18         as define_special_predicate.
19         (unaligned_memory_operand, normal_memory_operand): Likewise.
20         (reg_or_unaligned_mem_operand): Remove.
21         (any_memory_operand): Match the documentation and check for
22         non-renumbered pseudos during reload.
23         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
24         alpha_secondary_reload_class, update to new interface, make static.
25         Handle CQImode like HImode.  Remove FP subreg check.
26         (alpha_expand_mov): Use replace_equiv_address.
27         (alpha_expand_mov_nobwx): Use any_memory_operand.
28         (TARGET_SECONDARY_RELOAD): New.
29         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
30         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
31         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
32         * config/alpha/alpha.md: ... here.
33         (RELOAD12, reloadmode): New.
34         (movcqi): New.
35         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
36         Don't handle the aligned case here.
37         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
38         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
39         reload_inhi_help.  Don't expect a scratch register.
40         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
41         reload_outhi_help.
42         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
44 2007-04-27  Richard Guenther  <rguenther@suse.de>
46         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
48 2007-04-27  Richard Guenther  <rguenther@suse.de>
50         PR tree-optimization/30965
51         PR tree-optimization/30978
52         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
53         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
54         (find_equivalent_equality_comparison): Likewise.
55         (simplify_cond): Likewise.
56         (get_prop_source_stmt): New helper.
57         (get_prop_dest_stmt): Likewise.
58         (can_propagate_from): Likewise.
59         (remove_prop_source_from_use): Likewise.
60         (combine_cond_expr_cond): Likewise.
61         (forward_propagate_comparison): New function.
62         (forward_propagate_into_cond): Rewrite to use fold for
63         tree combining.
64         (tree_ssa_forward_propagate_single_use_vars): Call
65         forward_propagate_comparison to propagate comparisons.
67 2007-04-27  Richard Guenther  <rguenther@suse.de>
69         PR tree-optimization/31715
70         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
71         sure to do computation on the offset in an appropriate
72         signed type.
74 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
76         * reload.h (elimination_target_reg_p): Declare.
77         * reload.c (find_reloads): Don't apply the reg_rtx move
78         optimization if the SET_DEST satisfies elimination_target_reg_p.
79         * reload1.c (elimination_target_reg_p): New function.
80         (gen_reload): In the move/add2 fallback, make sure that op0
81         does not overlap the destination register.
83 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
85         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
86         transform only GIMPLE_MODIFY_STMTs.
87         * tree-complex.c (expand_complex_operations_1): Ditto.
88         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
89         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
90         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
91         branches.
92         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
93         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
94         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
95         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
96         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
97         slpeel_add_loop_guard): Ditto.
98         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
99         * lambda-code.c (perfect_nestify): Ditto.
100         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
101         before the first statement.
102         * tree-optimize.c (execute_free_datastructures): Fix comments.
103         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
104         * tree-flow.h (disband_implicit_edges): Declaration removed.
105         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
106         branches.
107         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
108         without gotos.
109         (disband_implicit_edges, has_label_p): Removed.
110         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
111         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
112         branches.
113         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
114         side effects.
115         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
116         also for COND_EXPRs.
117         * cfgexpand.c (label_rtx_for_bb): New function.
118         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
119         Use label_rtx_for_bb to find the labels.
120         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
121         last block.  Detect fallthru edges.
123 2007-04-26  Ian Lance Taylor  <iant@google.com>
125         PR target/28675
126         * reload.c (find_reloads_subreg_address): If the address was valid
127         in the original mode but not in the new mode, reload the whole
128         address.
130 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
132         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
133         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
134         (cleanup_control_expr_graph): Do not invalidate dominance info.
135         Record altered blocks.
136         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
137         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
138         cleanup_tree_cfg_bb): New functions.
139         (remove_forwarder_block): Do not maintain the worklist of blocks.
140         Record altered blocks.
141         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
142         not over whole cfg.
143         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
144         delete_unreachable_blocks if dominators are not available.
145         * tree-inline.c (optimize_inline_calls): Free dominance information
146         earlier.
147         * tree-flow.h (remove_edge_and_dominated_blocks,
148         cfgcleanup_altered_bbs): Altered.
149         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
150         blocks.
151         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
152         functions.
153         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
154         do not invalidate dominators.
156 2007-04-26  Anatoly Sokolov <aesok@post.ru>
158         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and 
159         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
160         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
161         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
163 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
165         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
167 2007-04-26  Richard Guenther  <rguenther@suse.de>
169         PR tree-optimization/31703
170         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
171         the right type for the target of the bittest.
173 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
175         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
176         ix86_sol10_return_in_memory.
178 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
180         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
181         variables.
183 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
185         PR c++/31598
186         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
188         PR tree-optimization/30558
189         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
190         clear this_state.prev_try.
192 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
193             Mark Mitchell  <mark@codesourcery.com>
195         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
196         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
197         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
199 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
201         PR driver/31107
202         * doc/invoke.texi (%:print-asm-header): Document.
203         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
204         and -ftarget-help.
205         (static_spec_functions): Add print-asm-header.
206         (main): Print a banner before the --target-help linker options.
207         (print_asm_header_spec_function): New function.
209 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
211         PR target/31403
212         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
213         (movsf_ie): Likewise.
215 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
217         * doc/extend.texi ([Type Traits]): Adjust per N2255.
219 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
221         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
222         for divide-by-zero.
223         (__umodsi3, __modsi3): Likewise.
225 2007-04-25  Dirk Mueller  <dmueller@suse.de>
227         * c-typeck.c (build_compound_expr): Annotate warning()
228         call with OPT_Wunused_value.
229         * tree-ssa.c (warn_uninit): Annotate warning with
230         OPT_Wunintialized.
231         * c-common.c (handle_sentinel_attribute): Annotate warning
232         call with OPT_Wattributes.
234 2007-04-25  Thiemo Seufer  <ths@mips.com>
236         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
237         (mips16): Fix typo.
238         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
239         on to the assembler.  Improve handling of -mno-mips16.  Add handling
240         of -mno-mips3d, -mno-dsp, -mno-dspr2.
241         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
242         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
243         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
245 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
247         PR target/31680
248         * config/i386/winnt.c (i386_pe_file_end): Strip only
249         USER_LABEL_PREFIX when writing export name.
251 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
253         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
254         sh/elf.h, vx-common.h and vxworks.h.
255         * config/sh/sh.h: Include config/vxworks-dummy.h.
256         (SUBTARGET_OVERRIDE_OPTIONS): Define.
257         (OVERRIDE_OPTIONS): Use it.
258         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
259         (vxworks_picreg): New pattern.
260         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
261         VXWORKS_OS_CPP_BUILTINS.
262         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
263         to their VXWORKS_* equivalents.
264         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
265         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
266         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
267         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
268         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
269         -mrtp/-fPIC multilibs.
270         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
271         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
272         (MULTILIB_OSDIRNAMES): Delete.
274 2007-04-25  Anatoly Sokolov <aesok@post.ru>
276         PR target/18989
277         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
279 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
281         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
282         rounding mode to be specified by the caller.
283         (real_to_mpfr) Likewise.
284         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
285         include new arguments.
286         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
288 2007-04-24  Ian Lance Taylor  <iant@google.com>
290         PR tree-optimization/31605
291         * tree-vrp.c (set_value_range): Check that min and max are not
292         both overflow infinities.
293         (set_value_range_to_value): New static function.
294         (extract_range_from_binary_expr): Call set_value_range_to_value.
295         (extract_range_from_cond_expr): Likewise.
296         (extract_range_from_expr): Likewise.
297         (extract_range_from_unary_expr): Likewise.  Don't create a range
298         which overflows on both sides.
299         (vrp_meet): Check for a useless range.
300         (vrp_visit_phi_node): If we see a constant which looks like an
301         overflow infinity, turn off the TREE_OVERFLOW flag.
303 2007-04-24  Ian Lance Taylor  <iant@google.com>
305         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
307 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
309         PR diagnostic/25923
310         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
311         diagnostic message is being built.
312         * tree-pretty-print.c (dump_generic_node): Only write the
313         formatted text into BUFFER's stream if we are not building a
314         diagnostic message.
315         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
316         dump_generic_node.
317         * Makefile.in (toplev.o): Depend on tree-pass.h.
319 2007-04-24  Ian Lance Taylor  <iant@google.com>
321         PR tree-optimization/31602
322         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
323         conditionals in the copied loop header.
324         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
325         warnings if TREE_NO_WARNING is set.
326         * doc/invoke.texi (Warning Options): Clarify that
327         -Wstrict-overflow does not warn about loops.
329 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
331         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
332         expand on the comment about _Decimal128 arguments and check the
333         integer result of the modulus operation; for 64-bit ELF ABI, ensure
334         that _Decimal128 argument uses even/odd register pair.
335         (function_arg): Ditto.
337 2007-04-24  Hui-May Chang <hm.chang@apple.com>
339         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
340         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
342 2007-04-24  Richard Guenther  <rguenther@suse.de>
343             Olga Golovanevsky  <olga@il.ibm.com>
345         * fold-const.c (multiple_of_p): Check for bottom 
346         to be zero. 
348 2007-04-24  Richard Henderson  <rth@redhat.com>
350         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from 
351         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
352         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
353         looking for non-zero bits shifted out.  Avoid a recursive call
354         when constructing the scalar.
355         (__floatundisf): Likewise.
357 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
359         * dwarf2out.c (field_byte_offset): Move the existing logic
360         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
361         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
363 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
365         PR target/31641
366         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
367         argument of 0 for memset.
368         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
369         unsigned shift instead of the signed variant.
371 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
373         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
374         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
375         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
376         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
377         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
378         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
379         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
380         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
381         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
382         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
383         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
384         "mul<mode>3", "div<mode>3"): Insn definitions added.
385         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
386         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
387         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
388         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
389         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
390         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
391         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
392         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
393         TARGET_FLOAT_FORMAT): Macro definitions removed.
394         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
395         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
396         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
397         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
398         (s390_gen_rtx_const_DI): Function removed.
399         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
401 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
403         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
404         over an external ffs function.
406 2007-04-24  Chao-ying Fu  <fu@mips.com>
407             Richard Sandiford  <richard@nildram.co.uk>
409         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
410         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
411         (smadd_widen_optab, umadd_widen_optab): Define.
412         * optabs.c (init_optabs): Initialize smadd_widen_optab and
413         umadd_widen_optab.
414         * genopinit.c (optabs): Fill in smadd_widen_optab and
415         umadd_widen_optab.
416         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
417         and umadd_widen_optab to implement multiply-add sequences.
418         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
419         (<u>maddsidi4): ...this.  Extend condition to include
420         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
421         of operand 0 to "ka" and use the three-operand form of madd<u>
422         for TARGET_DSPR2.
423         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
424         to define_expands.
425         * config/mips/constraints.md (ka): New register constraint.
427 2007-04-24  Jan Hubicka  <j@suse.cz>
429         Revert:
431         2007-04-23  Jan Hubicka  <jh@suse.cz>
432         * function.c (init_function_start): Don't init line number info.
433         (expand_function_end): Update.
434         (reset_block_changes, record_block_change, finalize_block_changes,
435         check_block_change, free_block_changes): Kill.
436         * function.h (reset_block_changes, record_block_change,
437         finalize_block_changes, check_block_change, free_block_changes): Remove
438         prototypes.
439         (struct function): Remove ib_boundaries_block.
440         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
441         Use curr_insn_locator to initialize locator.
442         (emit_line_note): Remove.
443         * cfgexpand.c (expand_gimple_cond_expr): Update.
444         (construct_exit_block): Likewise.
445         (tree_expand_cfg): Initialize/finalize locators.
446         * expr.c (expand_expr_real): Update.
447         * cfglayout.c (line_locators_locs, line_locators_lines,
448         file_locators_locs, file_locators_files): Remove.
449         (set_block_levels): Move to cfgexpand.c.
450         (insn_locators_initialize): Remove.
451         (pass_insn_locators_initialize): Remove.
452         (locations_locators_locs, locations_locators_vals): New static vars.
453         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
454         Likewise.
455         (insn_locators_alloc, insn_locators_finalize,
456         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
457         New functions.
458         (locator_location): New.
459         (locator_line, locator_file): Rewrite.
460         * rtl.h (emit_line_note): Kill.
461         (insn_locators_alloc, insn_locators_finalize,
462         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
463         Declare.
464         * tree-inline.c (initialize_cfun): Do not initialize
465         ib_boundaries_block.
466         * passes.c (pass_insn_locators_initialize): Remove.
468 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
470         * doc/invoke.texi: Removed leading '-' from option index entries.
472 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
474         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
475         Use phi_nodes_ptr.
476         (create_phi_node): Use set_phi_nodes.
477         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
478         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
479         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
480         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
481         (bsi_start, bsi_last): Use bb_stmt_list.
482         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
483         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
484         Traverse the statements using tsi iterator.
485         * basic-block.h (struct basic_block_def): Fields stmt_list
486         and phi_nodes moved to ...
487         (struct tree_bb_info): ... new structure.
488         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
489         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
490         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
491         (tree_verify_flow_info): Verify that il.tree is not set for
492         entry and exit block.
493         (tree_split_block): Use set_bb_stmt_list.
495 2007-04-23  Mike Stump  <mrs@apple.com>
497         * config/i386/i386.c (ix86_tune_features
498         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
499         nocona and core2.
501 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
503         * config/i386/i386.md (prefix_extra): New attribute.
504         (length): Add prefix_extra.
506         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
507         (sse2_movntv2di): Likewise.
508         (sse2_cvtps2dq): Likewise.
509         (sse2_cvtpd2pi): Likewise.
510         (sse2_cvttpd2pi): Likewise.
511         (*sse2_cvtpd2ps): Likewise.
512         (*add<mode>3): Likewise.
513         (sse2_ssadd<mode>3): Likewise.
514         (sse2_usadd<mode>3): Likewise.
515         (*sub<mode>3): Likewise.
516         (sse2_sssub<mode>3): Likewise.
517         (sse2_ussub<mode>3): Likewise.
518         (*mulv8hi3): Likewise.
519         (*smulv8hi3_highpart): Likewise.
520         (*umulv8hi3_highpart): Likewise.
521         (sse2_umulv2siv2di3): Likewise.
522         (sse2_pmaddwd): Likewise.
523         (ashr<mode>3): Likewise.
524         (lshr<mode>3): Likewise.
525         (ashl<mode>3): Likewise.
526         (sse2_ashlti3): Likewise.
527         (sse2_lshrti3): Likewise.
528         (*umaxv16qi3): Likewise.
529         (*smaxv8hi3): Likewise.
530         (*uminv16qi3): Likewise.
531         (*sminv8hi3): Likewise.
532         (sse2_eq<mode>3): Likewise.
533         (sse2_gt<mode>3): Likewise.
534         (*and<mode>3): Likewise.
535         (sse2_nand<mode>3): Likewise.
536         (*ior<mode>3): Likewise.
537         (*xor<mode>3): Likewise.
538         (sse2_packsswb): Likewise.
539         (sse2_packssdw): Likewise.
540         (sse2_packuswb): Likewise.
541         (sse2_punpckhbw): Likewise.
542         (sse2_punpcklbw): Likewise.
543         (sse2_punpckhwd): Likewise.
544         (sse2_punpcklwd): Likewise.
545         (sse2_punpckhdq): Likewise.
546         (sse2_punpckldq): Likewise.
547         (sse2_punpckhqdq): Likewise.
548         (sse2_punpcklqdq): Likewise.
549         (*sse2_pinsrw): Likewise.
550         (*sse2_pextrw): Likewise.
551         (sse2_pshufd_1): Likewise.
552         (sse2_uavgv16qi3): Likewise.
553         (sse2_uavgv8hi3): Likewise.
554         (sse2_psadbw): Likewise.
555         (sse2_pmovmskb): Likewise.
556         (*sse2_maskmovdqu): Likewise.
557         (*sse2_maskmovdqu_rex64): Likewise.
558         (sse4a_extrqi): Likewise.
559         (sse4a_extrq): Likewise.
560         (sse3_lddqu): Set prefix_rep.
561         (sse3_addsubv4sf3): Likewise.
562         (sse3_haddv4sf3): Likewise.
563         (sse3_hsubv4sf3): Likewise.
564         (sse_cvtss2si): Likewise.
565         (sse_cvtss2si_2): Likewise.
566         (sse_cvtss2siq): Likewise.
567         (sse_cvtss2siq_2): Likewise.
568         (sse_cvttss2si): Likewise.
569         (sse_cvttss2siq): Likewise.
570         (sse2_cvttps2dq): Likewise.
571         (sse3_movshdup): Likewise.
572         (sse3_movsldup): Likewise.
573         (sse2_cvtsd2si): Likewise.
574         (sse2_cvtsd2si_2): Likewise.
575         (sse2_cvtsd2siq): Likewise.
576         (sse2_cvtsd2siq_2): Likewise.
577         (sse2_cvttsd2si): Likewise.
578         (sse2_cvttsd2siq): Likewise.
579         (*sse2_cvtpd2dq): Likewise.
580         (*sse2_cvttpd2dq): Likewise.
581         (sse2_pshuflw_1): Likewise.
582         (sse2_pshufhw_1): Likewise.
583         (sse4a_insertqi): Likewise.
584         (sse4a_insertq): Likewise.
585         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
586         (ssse3_phadddv4si3): Likewise.
587         (ssse3_phaddswv8hi3): Likewise.
588         (ssse3_phsubwv8hi3): Likewise.
589         (ssse3_phsubdv4si3): Likewise.
590         (ssse3_phsubswv8hi3): Likewise.
591         (ssse3_pmaddubswv8hi3): Likewise.
592         (ssse3_pmulhrswv8hi3): Likewise.
593         (ssse3_pshufbv16qi3): Likewise.
594         (ssse3_psign<mode>3): Likewise.
595         (ssse3_palignrti): Likewise.
596         (abs<mode>2): Likewise.
597         (ssse3_phaddwv4hi3): Set prefix_extra.
598         (ssse3_phadddv2si3): Likewise.
599         (ssse3_phaddswv4hi3): Likewise.
600         (ssse3_phsubwv4hi3): Likewise.
601         (ssse3_phsubdv2si3): Likewise.
602         (ssse3_phsubswv4hi3): Likewise.
603         (ssse3_pmaddubswv4hi3): Likewise.
604         (ssse3_pmulhrswv4hi3): Likewise.
605         (ssse3_pshufbv8qi3): Likewise.
606         (ssse3_psign<mode>3): Likewise.
607         (ssse3_palignrdi): Likewise.
608         (abs<mode>2): Likewise.
609         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
610         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
611         (sse2_pmovmskb): Set mode to SI instead of V2DF.
613 2007-04-23  Nick Clifton  <nickc@redhat.com>
615         * params.def: Fix formatting of emacs local variables.
617 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
619         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
620         move if inter-unit move isn't allowed.
621         Don't split moving the first element of V2DI to DI to inter-unit
622         move if inter-unit move isn't allowed.
624 2007-04-23  Richard Guenther  <rguenther@suse.de>
626         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
627         and CDI_POST_DOMINATORS separately.
629 2007-04-23  Nick Clifton  <nickc@redhat.com>
631         * c.opt (Wformat-contains-nul): Add warning attribute.
633 2007-04-23  Jan Hubicka  <jh@suse.cz>
635         * function.c (init_function_start): Don't init line number info.
636         (expand_function_end): Update.
637         (reset_block_changes, record_block_change, finalize_block_changes,
638         check_block_change, free_block_changes): Kill.
639         * function.h (reset_block_changes, record_block_change,
640         finalize_block_changes, check_block_change, free_block_changes): Remove
641         prototypes.
642         (struct function): Remove ib_boundaries_block.
643         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
644         Use curr_insn_locator to initialize locator.
645         (emit_line_note): Remove.
646         * cfgexpand.c (expand_gimple_cond_expr): Update.
647         (construct_exit_block): Likewise.
648         (tree_expand_cfg): Initialize/finalize locators.
649         * expr.c (expand_expr_real): Update.
650         * cfglayout.c (line_locators_locs, line_locators_lines,
651         file_locators_locs, file_locators_files): Remove.
652         (set_block_levels): Move to cfgexpand.c.
653         (insn_locators_initialize): Remove.
654         (pass_insn_locators_initialize): Remove.
655         (locations_locators_locs, locations_locators_vals): New static vars.
656         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
657         Likewise.
658         (insn_locators_alloc, insn_locators_finalize,
659         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
660         New functions.
661         (locator_location): New.
662         (locator_line, locator_file): Rewrite.
663         * rtl.h (emit_line_note): Kill.
664         (insn_locators_alloc, insn_locators_finalize,
665         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
666         Declare.
667         * tree-inline.c (initialize_cfun): Do not initialize
668         ib_boundaries_block.
669         * passes.c (pass_insn_locators_initialize): Remove.
671 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
673         PR middle-end/31448
674         * expr.c (reduce_to_bit_field_precision): Handle
675         CONST_INT rtx's.
677 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
679         PR tree-optimization/24659
680         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
681         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
682         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
683         * genopinit.c (optabs): Rename vec_pack_mod_optab
684         to vec_pack_trunc_optab.
685         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
686         early for scalar floating point operands for NOP_EXPR.
687         (vectorizable_type_promotion): Ditto.
688         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
689         vec_pack_trunc_optab.
690         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
692         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
693         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
694         Rename from VEC_PACK_MOD_EXPR.
695         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
696         * expr.c (expand_expr_real_1): Ditto.
697         * tree-inline.c (estimate_num_insns_1): Ditto.
698         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
700         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
701         (vec_unpacks_lo_v4sf): Ditto.
702         (vec_pack_trunc_v2df): Ditto.
703         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
704         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
705         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
707         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
708         vec_pack_mod_v8hi.
709         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
711         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
712         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
713         packing of floating point operands.
714         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
715         represent unpacking of floating point operands.
716         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
717         [vec_unpacks_hi]: Ditto.
718         [vec_unpacks_lo]: Ditto.
720 2007-04-22  Jan Hubicka  <jh@suse.cz>
722         * final.c (rest_of_handle_final): Call
723         targetm.asm_out.constructor/targetm.asm_out.destructor
724         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
725         proper priority via decl_*_priority_insert.
726         * c-common.c (c_expand_body): Likewise.
728 2007-04-22  Richard Guenther  <rguenther@suse.de>
730         PR tree-optimization/29789
731         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
732         (rewrite_reciprocal): New helper split out from
733         determine_invariantness_stmt.
734         (rewrite_bittest): Likewise.
735         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
736         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
737         is not.
739 2007-04-22  Revital Eres  <eres@il.ibm.com>
741         * loop-unroll.c (var_to_expand): New field to support also
742         insns of the form x = something + x.
743         (analyze_insn_to_expand_var): Use it.
744         (expand_var_during_unrolling): Likewise.
746 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
748         * predict.c: Include pointer-set.h.
749         (bb_predictions): New variable.
750         (tree_predicted_by_p, tree_predict_edge,
751         remove_predictions_associated_with_edge): Use bb_predictions map
752         instead of bb->predictions.
753         (clear_bb_predictions, assert_is_empty): New functions.
754         (combine_predictions_for_bb): Use bb_predictions map.  Call
755         clear_bb_predictions.
756         (tree_estimate_probability): Create and free bb_predictions map.
757         * Makefile.in (predict.o): Add pointer-set.h dependency.
758         * basic-block.h (struct basic_block_def): Remove predictions
759         field.
760         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
762 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
764         PR target/31480
765         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
766         is null.
768 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
770         * timevar.c (timevar_print): Change reference of --disable-checking to
771         --enable-checking=release.  Also warn if assert checking is disabled.
773 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
775         PR C/30265
776         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
777         decl as addressable if the compound literal was marked as
778         addressable.
779         Mark the decl as a gimple register if it is a complex or
780         vector decl and does not live in memory.
782 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
784         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
785         (GENERIC_NEXT): New function macro.
786         (PHI_CHAIN): Use phi_node's new chain variable.
787         (tree_phi_node): Change tree_common to tree_base
788         and add the chain field.
789         * tree-phinodes.c (make_phi_node): Don't set
790         TREE_TYPE on the new node.
791         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
792         instead of checking GIMPLE_TUPLE_P in chain_next.
793         * tree-vect-transform.c
794         (get_initial_def_for_induction): Look at
795         PHI_RESULT_TREE for the type of the phi node.
796         (update_vuses_to_preheader): Use PHI_CHAIN
797         instead of TREE_CHAIN on the phi node.
798         * tree-ssa-structalias.c (compute_points_to_sets):
799         Likewise.
800         (ipa_pta_execute): Likewise.
802 2007-04-21  Richard Guenther  <rguenther@suse.de>
804         PR middle-end/31136
805         * fold-const.c (fold_unary): Call fold_convert_const on the
806         original tree.
808 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
810         * gcse.c (store_killed_in_insn): Handle PARALLELs.
811         (store_killed_in_pat): New.
813 2007-04-20  Richard Henderson  <rth@redhat.com>
815         PR target/31628
816         * config/i386/i386.c (type_has_variadic_args_p): Look for any
817         TREE_LIST with a void_type_node value, not void_list_node exactly.
819 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
821         * doc/standards.texi: Re-arrange into language-specific
822         subsections. Add a C++ section, documenting which standards we
823         support.
825 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
827         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
828         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
830 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
832         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
833         ecrti.o and crtbegin.o.
834         (LIB_DEFAULT_SPEC): Include -lc.
835         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
837 2007-04-20  Richard Henderson  <rth@redhat.com>
839         PR target/28623
840         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
841         argument; update all callers.
842         (get_unaligned_offset): New.
843         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
844         get_unaligned_address, just pass on the address directly.
845         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
846         the subreg in the helper patterns.
847         (unaligned_extendqidi_le): Use get_unaligned_offset.
848         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
849         (unaligned_extendhidi_be): Likewise.
850         (unaligned_extendhidi): Tidy.
851         * config/alpha/alpha-protos.h: Update.
853 2007-04-20  Richard Henderson  <rth@redhat.com>
855         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
856         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
857         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
858         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
859         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
860         (CPP_SPEC): Don't include %(cpp_subtarget).
861         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
862         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
863         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
865 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
867         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
868         for __builtin_ia32_cmpordss.
870         PR tree-optimization/31632
871         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
872         and arg1 for optimizations of comparison against min/max values.
873         Fold arg0 to arg1's type for optimizations of comparison against
874         min+1 and max-1 values.
876 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
878         * reload.c (combine_reloads): When trying to use a dying register,
879         check whether it's uninitialized and don't use if so.
881 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
883         * fold-const.c: Remove prototypes for native_encode_expr and
884         native_interpret_expr.
885         (native_encode_expr): Make non-static.
886         (native_interpret_expr): Likewise.
887         * tree.h: Add prototypes for the above.
889 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
891         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
892         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
893         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
894         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
895         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
896         Add length attributes.
898 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
900         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
901         not that it is 1.
903         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
904         __STDC_WANT_DEC_FP__.
906 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
908         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
909         for long double compatibility.
910         * configure: Regenerate.
912 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
914         PR rtl-optimization/29841
915         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
916         trap instructions.
917         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
918         that may cause control flow transfer from being moved.
920 2007-04-18  Jan Hubicka  <jh@suse.cz>
922         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
923         types.
925 2007-04-18  Eric Christopher  <echristo@apple.com>
927         * config/rs6000/darwin.md (load_macho_picbase): Use link register
928         only. Update operands.
929         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
930         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
931         link register to pic register.
933 2007-04-18  Dirk Mueller  <dmueller@suse.de>
935         PR diagnostic/31227
936         * tree-vrp.c (search_for_addr_array): New.
937         (check_array_bounds): Suppress warning about
938         address taken of array refs if its not de-referenced.
940 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
942         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
943         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
945         * tree-vectorizer.h (NITERS_KNOWN_P): New.
946         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
947         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
949         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
950         dump print.
951         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
952         print message.
953         (vect_analyze_scalar_cycles): Fix indentation.
954         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
955         (vect_mark_relevant): Include phis in relevance analysis.
957         * tree-vect-transform.c (vect_transform_loop): Add an assert.
959 2007-04-18  Anatoly Sokolov <aesok@post.ru>
961         * config/avr/avr.c (ptrreg_to_str): Replace error() with
962         output_operand_lossage().
964 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
966         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
967         the unused code for reduction without adjust-in-epilog to simplify the
968         function.
970 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
972         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
973         (S390_TDC_NEGATIVE_ZERO): New constant.
974         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
975         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
976         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
977         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
978         (S390_TDC_POSITIVE_INFINITY): New constant.
979         (S390_TDC_NEGATIVE_INFINITY): New constant.
980         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
981         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
982         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
983         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
984         (S390_TDC_INFINITY): New constant.
985         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
986         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
987         optimization for UNSPEC_CCZ_TO_INT.
988         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
989         ("*ccz_to_int"): New insn.
990         ("isinf<mode>2"): New insn.
991         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
992         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
993         (UNSPEC_CCZ_TO_INT): New constant.
995 2007-04-18  Richard Guenther  <rguenther@suse.de>
997         PR tree-optimization/19431
998         PR tree-optimization/21463
999         * tree-pass.h (pass_phiprop): Declare.
1000         * passes.c (init_optimization_passes): New phiprop pass.
1001         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1002         (phivn_valid_p): New helper function.
1003         (phiprop_insert_phi): Likewise.
1004         (propagate_with_phi): Likewise.
1005         (tree_ssa_phiprop): New propagator propagating loads
1006         through phi nodes if profitable.
1008 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1010         * tree-vect-analyze.c (process_use): New function.
1011         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1012         Check phis in all bbs.
1013         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1014         assert.
1016 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1018         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1019         we use REG_EQUAL.
1021 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1023         PR target/30483
1024         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1025         error().
1027 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1029         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1030         on "0".
1031         (sse_vmmulv4sf3): Likewise.
1032         (sse2_vmaddv2df3): Likewise.
1033         (sse2_vmmulv2df3): Likewise.
1035 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
1037         PR rtl-optimization/31360
1038         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1039         (target_reg_cost): New.
1040         (init_set_costs): Initialize target_reg_cost.  Add comments
1041         regarding the rationale of the costs.
1042         (global_cost_for_size): Renamed to...
1043         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
1044         of register pressure.
1045         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1046         estimate_reg_pressure_cost.  Add number of ivs.
1047         (determine_set_costs): Dump target_reg_cost.
1048         * loop-invariant.c (gain_for_invariant):  Use
1049         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
1050         (best_gain_for_invariant, find_invariants_to_move): Remove
1051         n_inv_uses.
1052         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1053         (target_reg_cost): Declare.
1054         (global_cost_for_size): Declaration removed.
1055         (estimate_reg_pressure_cost): Declare.
1057 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
1059         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
1060         regnos into even/odd register pairs.
1061         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
1062         TDmode similar to the other floating point modes.
1063         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
1064         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
1065         define_expand's.
1066         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
1067         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
1068         (movdd_hardfloat64): Use TARGET_MFPGPR.
1070 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1072         * reload1.c (delete_output_reload): Don't count output in n_inherited.
1074         Revert
1075         2005-01-05  Richard Henderson  <rth@redhat.com>
1076         PR rtl-opt/10692
1077         * reload1.c (do_input_reload): Restrict the optimization deleteing
1078         a previous output reload to RELOAD_FOR_INPUT.
1080 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
1082         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
1083         induc_vec_info_type.
1084         (vectorizable_induction): New function declaration.
1085         * tree-vect-transform.c (get_initial_def_for_induction): No need to
1086         check if already vectorized.  Find first place in BB where new stmts
1087         can be inserted.  Takes only one argument.
1088         (vectorizable_induction): New function.
1089         (vect_transform_stmt): Add case for induc_vec_info_type to call
1090         vectorizable_induction.
1091         (vect_transform_loop): Consider phis for vectorization.
1092         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
1093         condition.
1094         (analyze_operations): Call vectorizable_induction when analyzing phis.
1095         Fix comment.
1096         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
1097         (vect_mark_relevant): Include phis in relevance analysis.
1098         (vect_mark_stmts_to_be_vectorize): Likewise.
1099         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
1101 2007-04-16  Lawrence Crowl  <crowl@google.com>
1103         * doc/invoke.texi (Debugging Options): Add documentation for the
1104         -femit-struct-debug options -femit-struct-debug-baseonly,
1105         -femit-struct-debug-reduced, and
1106         -femit-struct-debug-detailed[=...].
1108         * c-opts.c (c_common_handle_option): Add
1109         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
1110         and OPT_femit_struct_debug_detailed_.
1111         * c.opt: Add specifications for
1112         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
1113         and -femit-struct-debug-detailed[=...].
1114         * opts.c (set_struct_debug_option): Parse the
1115         -femit-struct-debug-... options.
1116         * opts.c (matches_main_base, main_input_basename,
1117         main_input_baselength, base_of_path, matches_main_base): Add
1118         variables and functions to compare header base name to compilation
1119         unit base name.
1120         * opts.c (should_emit_struct_debug): Add to determine to emit a
1121         structure based on the option.
1122         (dump_struct_debug) Also disabled function to debug this
1123         function.
1124         * opts.c (handle_options): Save the base name of the
1125         compilation unit.
1127         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
1128         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
1129         This hook indicates if a type is generic.  Set it by default
1130         to "never generic".
1131         * langhooks.h (struct lang_hooks_for_types): Add a new hook
1132         to determine if a struct type is generic or not.
1133         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
1134         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
1135         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
1136         with live C++ hook.
1138         * flags.h (enum debug_info_usage): Add an enumeration to describe
1139         a program's use of a structure type.
1140         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
1141         to indicate the program's usage of the type.  Filter structs based
1142         on the -femit-struct-debug-... specification.
1143         (gen_type_die): Split into two routines, gen_type_die and
1144         gen_type_die_with_usage.  gen_type_die is now a wrapper
1145         that assumes direct usage.
1146         (gen_type_die_with_usage): Replace calls to gen_type_die
1147         with gen_type_die_with_usage adding the program usage of
1148         the referenced type.
1149         (dwarf2out_imported_module_or_decl): Suppress struct debug
1150         information using should_emit_struct_debug when appropriate.
1152 2007-04-16  Ian Lance Taylor  <iant@google.com>
1154         PR tree-optimization/31522
1155         * tree-vrp.c (vr_phi_edge_counts): New static variable.
1156         (vrp_initialize): Allocate vr_phi_edge_counts.
1157         (vrp_visit_phi_node): Don't push to infinity if we saw a new
1158         executable edge.  Drop test for all constants.
1159         (vrp_finalize): Free vrp_phi_edge_counts.
1161         * doc/cpp.texi (Common Predefined Macros): Clarify description of
1162         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1164         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
1165         predecessors at head rather than tail.
1167 2007-04-16  Matthias Klose  <doko@debian.org>
1169         * config/alpha/linux.h (CPP_SPEC): Define.
1170         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
1172 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
1174         * function.h: Remove sequence_stack extern declaration.
1176 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1178         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
1179         TARGET_FIDOA.
1180         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
1181         defined.
1183 2007-04-16  Anatoly Sokolov <aesok@post.ru>
1185         * config/avr/avr.c (avr_arch_types): Rearranging  array.
1186         (enum avr_arch): Add.
1187         (avr_mcu_types): Use avr_arch enumeration constants instead of
1188         numbers.
1189         * config/avr/avr.h (LINK_SPEC): Simplify.
1191 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1193         * config/m68k/m68k.c (m68k_libcall_value,
1194         m68k_function_value): Use macros for register names more.
1196         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
1197         instead.
1198         (M68K_REGNAME): Use A6_REG.
1199         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
1201 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1203         PR middle-end/28071
1204         * sched-int.h (struct deps): Split field 'pending_lists_length' into
1205         'pending_read_list_length' and 'pending_write_list_length'.  Update
1206         comment.
1207         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
1208         to handle two length counters instead of one.  Update all uses.
1209         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
1210         two length counters instead of one.
1211         * sched-rgn.c (propagate_deps): Update to handle two length counters
1212         instead of one.
1214 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
1216         PR target/31582
1217         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
1218         copy of source, pass it to ix86_expand_vector_set and return
1219         it as target.
1221 2007-04-16  David Ung  <davidu@mips.com>
1222             Joseph Myers  <joseph@codesourcery.com>
1224         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
1225         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
1226         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1227         Add 74K processor information.
1228         * config/mips/mips.md: Include 74k.md.
1229         (cpu): Add 74kc,74kf,74kx.
1230         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
1231         * config/mips/74k.md: New.
1232         * doc/invoke.texi (MIPS Options): Document 74K support.
1234 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
1236         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
1237         vectorizable_* functions.
1238         * tree-vect-transform.c (vectorizable_call): Add check for
1239         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
1240         (vectorizable_store): likewise.
1241         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
1242         Add comments.
1243         (vectorizable_operation, vectorizable_type_demotion): Likewise.
1244         (vectorizable_type_promotion, vectorizable_load): Likewise.
1245         (vectorizable_live_operation, vectorizable_condition): Likewise.
1246         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
1247         STMT_VINFO_LIVE_P.
1248         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
1250 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1252         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
1253         register numbers more.
1254         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
1255         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
1256         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
1257         FUNCTION_VALUE_REGNO_P): Likewise.
1258         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
1259         STATIC_CHAIN_REGNUM): Likewise.
1260         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
1261         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
1262         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
1263         * config/m68k/m68k.md (FP_REG): New.
1265 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1267         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
1268         alignment on fido.
1270 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1272         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
1273         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
1274         comment typos.
1276 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1278         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
1279         cold loops.
1281 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1283         PR c/31520
1284         * c-decl.c (finish_decl): Grab the type of the decl after the call
1285         to store_init_value.
1287 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
1289         * common.opt (fforward-propagate): Fix "Optimization" annotation.
1291 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
1293         PR c++/25874
1294         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1295         post dominators and cleanup cfg before returning.
1297 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
1299         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
1300         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
1302 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
1304         * config.gcc: Recognize fido.
1305         * config/m68k/m68k-devices.def (fidoa): New.
1306         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
1307         __mfido__.
1308         (FL_FIDOA, TARGET_FIDOA): New.
1309         * config/m68k/m68k.opt (mfidoa): New.
1311 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1313         PR middle-end/31322
1314         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
1315         when a personality function is used.
1317 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
1319         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
1321 2007-04-13  Mike Stump  <mrs@apple.com>
1323         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
1324         we can...
1325         * config/darwin.opt (fapple-kext): Make C++ only.
1326         * config/darwin.c (darwin_override_options): Remove code to ensure
1327         -fapple-kext is given for C++ only.
1329 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
1331         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1332         * config/mips/mips.c (override_options): Call
1333         SUBTARGET_OVERRIDE_OPTIONS, if defined.
1335 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1337         * config/i386/i386.opt (msvr3-shlib): Removed.
1339         * doc/invoke.texi: Remove -msvr3-shlib.
1341 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1343         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
1344         with "popcnt" instruction.
1346 2007-04-13  Richard Guenther  <rguenther@suse.de>
1348         PR tree-optimization/21258
1349         * tree-vrp.c (compare_case_labels): New helper.
1350         (find_switch_asserts): New function.
1351         (find_assert_locations): Call it for SWITCH_EXPRs.
1353 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
1355         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
1356         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
1357         check is now implied in X87_FLOAT_MODE_P.
1358         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1359         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1360         (fix_trunc<mode>_i386_fisttp): Ditto.
1361         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1362         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1363         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1364         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1365         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1366         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1367         (unnamed_splitters): Ditto.
1368         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
1369         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
1370         FIRST_SSE_REG for local functions when SSE math is enabled or
1371         for functions with sseregparm attribute.
1372         (standard_80387_constant_p): Return -1 if mode is not
1373         X87_FLOAT_MODE_P.
1374         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
1375         (ix86_expand_compare): Ditto.
1376         (ix86_expand_carry_flag_compare): Ditto.
1377         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
1378         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
1379         DECIMAL_FLOAT_MODE_P.
1380         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
1381         of SCALAR_FLOAT_MODE_P.
1382         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
1383         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
1384         checks before FLOAT_MODE_P.
1385         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
1386         before FLOAT_MODE_P.
1387         [DIV]: Ditto.
1388         [NEG]: Ditto.
1389         [ABS]: Ditto.
1390         [SQRT]: Ditto.
1391         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
1393 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
1394             Charles Wilson  <libtool@cwilson.fastmail.fm>
1396         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
1397         (libgcc.mvars): Don't depend on them.
1398         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
1399         * exec-tool.in: New.
1401 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
1403         * doc/invoke.text (--help): Document --help=common.
1405 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
1407         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
1409 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1411         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
1412         * genemit.c (main): Emit #include "integrate.h".
1413         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
1414         (LOADGP_RTP): New mips_loadgp_style.
1415         * config/mips/mips.h: Include config/vxworks-dummy.h.
1416         (TARGET_RTP_PIC): New macro.
1417         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
1418         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
1419         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
1420         for TARGET_RTP_PIC.
1421         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
1422         -mvxworks-pic when using -mrtp and a PIC option.
1423         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
1424         for RTP PIC.
1425         (mips_symbolic_constant_p, mips_symbolic_address_p)
1426         (mips_symbol_insns): Handle SYMBOL_HALF.
1427         (override_options): Warn about -G and -mrtp being used together.
1428         Initialize mips_lo_relocs[SYMBOL_HALF].
1429         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
1430         (mips_emit_loadgp): Handle LOADGP_RTP.
1431         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
1432         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
1433         (tablejump): Handle function-relative case table entries if
1434         TARGET_RTP_PIC.
1435         * config/mips/predicates.md (symbol_ref_operand): New predicate.
1437 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1439         * config/mips/mips.md (load_call<mode>): Allow any general register.
1440         destination.
1441         (sibcall_value_internal, sibcall_value_multiple_internal)
1442         (call_value_internal, call_value_split, call_value_multiple_internal)
1443         (call_value_multiple_split): Remove constraints from operand 0.
1445 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1447         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
1448         rather than loadgp_noshared.
1449         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
1450         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
1451         gen_loadgp.
1452         * config/mips/mips.md (loadgp): Rename to...
1453         (loadgp_newabi): ...this.
1454         (loadgp_noshared): Rename to...
1455         (loadgp_absolute): ...this.
1457 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1459         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
1460         false for locally-binding symbols.
1461         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
1463 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1465         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
1466         (SYMBOL_GOT_PAGE_OFST): ...this.
1467         (SYMBOL_GOT_GLOBAL): Rename to...
1468         (SYMBOL_GOT_DISP): ...this.
1469         (SYMBOL_GOTOFF_GLOBAL): Rename to...
1470         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
1471         * config/mips/mips.c (mips_global_symbol_p): New function.
1472         (mips_symbol_binds_local_p): Likewise.
1473         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
1474         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
1475         and mips_symbol_binds_local_p.
1476         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
1477         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
1478         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
1479         SYMBOL_GOTOFF_DISP.
1480         (mips_ok_for_lazy_binding_p): New function.
1481         (mips_load_call_address, mips_expand_call): Use it.
1482         (mips_dangerous_for_la25_p): Likewise.
1483         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
1484         (*got_disp<mode>): Use got_disp_operand instead of
1485         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
1486         SYMBOL_GOTOFF_GLOBAL.
1487         (*got_page<mode>): Use got_page_ofst_operand instead of
1488         local_got_operand.
1489         * config/mips/predicates.md (const_call_insn_operand): Use
1490         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
1491         (global_got_operand): Rename to...
1492         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
1493         SYMBOL_GOT_GLOBAL.
1494         (local_got_operand): Rename to...
1495         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
1496         of SYMBOL_GOT_LOCAL.
1498 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1500         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
1501         TARGET_CALL_CLOBBERED_GP.
1502         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1503         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
1504         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
1505         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
1506         of TARGET_ABICALLS && !TARGET_NEWABI.
1507         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1508         * config/mips/mips.c (mips_load_call_address): Check
1509         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1510         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1511         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1512         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
1513         TARGET_ABICALLS && TARGET_NEWABI.
1514         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
1515         TARGET_ABICALLS.
1516         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
1517         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
1518         TARGET_ABICALLS && TARGET_NEWABI.
1519         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
1520         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
1521         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
1522         whether indirect calls must use $25.
1523         (mips_extra_live_on_entry): Check TARGET_GOT instead of
1524         TARGET_ABICALLS.
1525         * config/mips/mips.md (jal_macro): Check flag_pic and
1526         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
1527         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
1528         instead of TARGET_ABICALLS.
1529         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
1530         TARGET_ABICALLS && TARGET_OLDABI.
1531         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1532         (sibcall): In the comment above the define_insn, mention
1533         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
1534         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
1535         instead of TARGET_ABICALLS.
1537 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1539         * doc/md.texi (Blackfin family constraints): Document PA and PB.
1540         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
1541         (MACFLAGS_MATCH_P): New macro.
1542         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
1543         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
1544         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
1545         the other MACFLAG constants.
1546         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
1547         (flag_machi): Tighten constraints.  Renumber some of the operands.
1548         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
1549         output template.
1550         (flag_machi_parts_acconly): New pattern.
1551         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
1552         used.
1553         (flag_macinit1hi): Tighten constraints.
1554         (flag_mul_macv2hi_parts_acconly): New pattern.
1556         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
1557         Use a more efficient implementation.
1558         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
1559         inline sequences when not optimizing for size.
1561         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
1562         movhi_high2low): Delete, merge functionality into...
1563         (packv2hi): ... this pattern.
1565         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
1566         * config/bfin/bfin.opt (msim): New option.
1567         (mcpu=): New option.
1568         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
1569         (bfin_cpu_t): Typedef of enum bfin_cpu.
1570         (bfin_cpu_type): New declaration.
1571         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
1572         -msim and -mcpu= options.
1573         (LIB_SPEC): Likewise.
1574         * config/bfin/bfin.c (bfin_cpu_type): Define.
1575         (bfin_handle_option): Handle -mcpu= option.
1576         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
1577         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
1578         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
1580 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1582         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
1583         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
1584         (powerpc-wrs-vxworksae): Use ${tm_file}.
1585         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
1586         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
1587         * config/i386/vx-common.h: New file.
1589 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1591         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
1592         of crt0.o%s.
1594 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1596         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
1597         ldxtr.
1599 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
1601         PR c++/31078
1602         PR c++/31103
1603         * c-common.c (c_build_qualified_type): Set canonical type
1604         appropriately.
1606 2007-04-12  Richard Guenther  <rguenther@suse.de>
1608         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
1609         lower bound and element size if lower bound is not zero
1610         or either of the ARRAY_REF operands is set.
1612 2007-04-12  Richard Guenther  <rguenther@suse.de>
1614         PR tree-optimization/24689
1615         PR tree-optimization/31307
1616         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
1617         indices by value.
1618         * gimplify.c (canonicalize_addr_expr): To be consistent with
1619         gimplify_compound_lval only set operands two and three of
1620         ARRAY_REFs if they are not gimple_min_invariant.  This makes
1621         it never at this place.
1622         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1624 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1626         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
1627         null before emitting a .nsubspa directive.
1629 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
1631         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
1632         need_to_partition_p if there are no memory statements in the
1633         function.
1635 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1637         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
1638         (gcd_of_steps_may_divide_p): New function.
1639         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
1641 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1643         * reload.c (find_reloads_toplev, find_reloads_address,
1644         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
1645         not a pointer equality test, to decide if we need to call
1646         push_reg_equiv_alt_mem.
1648 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
1650         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
1651         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
1652         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
1654 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1656         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
1657         vector to be positive.
1659 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
1661         PR 30735
1662         PR 31090
1663         * doc/invoke.texi: Document --params max-aliased-vops and
1664         avg-aliased-vops.
1665         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
1666         debug_memory_partitions): Move to tree-flow.h
1667         * params.h (AVG_ALIASED_VOPS): Define.
1668         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
1669         users.
1670         (mp_info_t): Likewise.
1671         (get_mem_sym_stats_for): New.
1672         (set_memory_partition): Move from tree-flow-inline.h.
1673         (mark_non_addressable): Only clear the set of symbols for the
1674         partition if it exists.
1675         (dump_memory_partitions): Move from tree-ssa-operands.c
1676         (debug_memory_partitions): Likewise.
1677         (need_to_partition_p): New.
1678         (dump_mem_ref_stats): New.
1679         (debug_mem_ref_stats): New.
1680         (dump_mem_sym_stats): New.
1681         (debug_mem_sym_stats): New.
1682         (update_mem_sym_stats_from_stmt): New.
1683         (compare_mp_info_entries): New.
1684         (mp_info_cmp): Call it.
1685         (sort_mp_info): Change argument to a list of mem_sym_stats_t
1686         objects.
1687         (get_mpt_for): Move from tree-ssa-operands.c.
1688         (find_partition_for): New.
1689         (create_partition_for): Remove.
1690         (estimate_vop_reduction): New.
1691         (update_reference_counts): New.
1692         (build_mp_info): New.
1693         (compute_memory_partitions): Refactor.
1694         Document new heuristic.
1695         Call build_mp_info, update_reference_counts,
1696         find_partition_for and estimate_vop_reduction.
1697         (compute_may_aliases): Populate virtual operands before
1698         calling debugging dumps.
1699         (delete_mem_sym_stats): New.
1700         (delete_mem_ref_stats): New.
1701         (init_mem_ref_stats): New.
1702         (init_alias_info): Call it.
1703         (maybe_create_global_var): Remove alias_info argument.
1704         Get number of call sites and number of pure/const call sites
1705         from gimple_mem_ref_stats().
1706         (dump_alias_info): Call dump_memory_partitions first.
1707         (dump_points_to_info_for): Show how many times a pointer has
1708         been dereferenced.
1709         * opts.c (decode_options): For -O2 set --param
1710         max-aliased-vops to 500.
1711         For -O3 set --param max-aliased-vops to 1000 and --param
1712         avg-aliased-vops to 3.
1713         * fortran/options.c (gfc_init_options): Remove assignment to
1714         MAX_ALIASED_VOPS.
1715         * tree-flow-inline.h (gimple_mem_ref_stats): New.
1716         * tree-dfa.c (dump_variable): Dump memory reference
1717         statistics.
1718         Dump NO_ALIAS* settings.
1719         (referenced_var_lookup): Tidy.
1720         (mem_sym_stats): New.
1721         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
1722         and ORIG are different SSA names for a memory partition.
1723         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
1724         * tree-flow.h (struct mem_sym_stats_d): Define.
1725         (mem_sym_stats_t): Define.
1726         (struct mem_ref_stats_d): Define.
1727         (struct gimple_df): Add field mem_ref_stats.
1728         (enum noalias_state): Define.
1729         (struct var_ann_d): Add bitfield noalias_state.
1730         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
1731         debug_mem_ref_stats, debug_memory_partitions,
1732         debug_mem_sym_stats): Declare.
1733         * tree-ssa-structalias.c (update_alias_info): Update call
1734         sites, pure/const call sites and asm sites in structure
1735         returned by gimple_mem_ref_stats.
1736         Remove local variable IS_POTENTIAL_DEREF.
1737         Increase NUM_DEREFS if the memory expression is a potential
1738         dereference.
1739         Call update_mem_sym_stats_from_stmt.
1740         If the memory references memory, call
1741         update_mem_sym_stats_from_stmt for all the direct memory
1742         symbol references found.
1743         (intra_create_variable_infos): Set noalias_state field for
1744         pointer arguments according to the value of
1745         flag_argument_noalias.
1746         * tree-ssa-structalias.h (struct alias_info): Remove fields
1747         num_calls_found and num_pure_const_calls_found.
1748         (update_mem_sym_stats_from_stmt): Declare.
1749         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
1750         Set default value to 100.
1751         (PARAM_AVG_ALIASED_VOPS): Define.
1753 2007-04-11  Richard Guenther  <rguenther@suse.de>
1755         PR middle-end/31530
1756         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
1757         a * -b + c as c - a * b if we honor sign dependent rounding.
1759 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1761         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
1762         bfin_expand_strmov.
1763         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
1764         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
1765         variables.
1766         (initialize_trampoline): Don't use old-style function definition.
1767         (bfin_secondary_reload): Mark IN_P argument as unused.
1769 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
1771         PR tree-optimization/31343
1772         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
1773         (build_polynomial_chrec): Return a scalar when the evolution is zero.
1774         * testsuite/gcc.dg/vect/pr31343.c: New.
1776 2007-04-10  Eric Christopher  <echristo@apple.com>
1778         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
1779         * config/i386/i386.md (*cmpfp0): Use.
1780         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1781         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1782         (fix_trunc<mode>_i386_fisttp): Ditto.
1783         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1784         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1785         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1786         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1787         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1788         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1789         (unnamed_splitters): Ditto.
1790         * config/i386/i386.c (output_fix_trunc): Assert that
1791         we're not being passed a TFmode operand.
1793 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
1795         PR tree-optimization/31526
1796         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
1797         n_basic_blocks to find newly added blocks.
1799 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
1801         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
1802         alternative.
1803         (fix_trunc<mode>si_sse): Ditto.
1804         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
1805         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
1806         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
1807         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
1808         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
1809         expander using SSEMODEF mode macro.
1810         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
1811         expander using SSEMODEF mode macro.
1812         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
1813         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
1814         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
1815         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
1816         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
1817         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
1818         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
1819         Macroize insn using X87MODEF mode macro.
1821 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1823         * config/i386/sse.md (sse2_pinsrw): Removed.
1824         (sse2_pextrw): Renamed to ...
1825         (*sse2_pextrw): This.
1827 2007-04-09  Jan Hubicka  <jh@suse.cz>
1829         PR target/27869
1830         * config/i386/sse.md
1831         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
1832         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
1833         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
1834         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
1836 2007-04-09  Jan Hubicka  <jh@suse.cz>
1838         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
1839         multiple fields of union.
1841 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
1843         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
1844         (create_preheaders): Check that loops are available.
1845         (fix_loop_structure): Clean up, improve comments.
1846         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
1847         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
1848         state flags.
1849         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
1850         * predict.c (tree_estimate_probability): Do not call
1851         calculate_dominance_info.  Call create_preheaders.
1852         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
1853         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
1854         flags.
1855         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
1856         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
1857         * tree-cfg.c (tree_split_edge): Make an assert more precise.
1858         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
1859         arguments.
1861 2007-04-08  Jan Hubicka  <jh@suse.cz>
1863         * tree.h (maybe_fold_offset_to_component_ref): Declare.
1864         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
1865         * fold-const.c (fold_unary): Use it.
1867 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1869         * varasm.c (assemble_variable): Remove call to
1870         lang_hooks.decls.prepare_assemble_variable.
1871         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
1872         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
1873         * langhooks.h (lang_hooks_for_decls): Remove
1874         prepare_assemble_variable.
1876 2007-04-08  Mike Stump  <mrs@apple.com>
1878         * config/i386/i386.c: Use inc/dec on Core2.
1880 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
1882         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
1883         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1884         lhd_tree_inlining_end_inlining): Remove.
1885         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
1886         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
1887         end_inlining hooks.
1888         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
1889         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1890         lhd_tree_inlining_end_inlining): Remove prototypes.
1891         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
1892         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
1893         LANG_HOOKS_TREE_INLINING_START_INLINING,
1894         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
1896         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
1897         not set it.
1899 2007-04-08  Anatoly Sokolov <aesok@post.ru>
1901         PR target/29932
1902         * config/avr/predicates.md (io_address_operand): Delete predicate.
1903         (low_io_address_operand): Don't use 'mode' argument.
1904         (higth_io_address_operand): Rename ...
1905         (high_io_address_operand): ... to this. Don't use 'mode' argument.
1906         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
1907         for above change.
1909 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
1911         Revert change removing staticp.
1913 2007-04-07  Anatoly Sokolov <aesok@post.ru>
1915         PR target/30289
1916         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
1917         earlyclobber.
1919 2007-04-07  Bruce Korb  <bkorb@gnu.org>
1921         * c.opt: Add -Wformat-contains-nul.
1922         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
1923           -Wformat setting.
1924         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
1925         the NUL byte warning.
1927 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1929         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
1931 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
1933         * tree.c (staticp): No longer use staticp langhook.
1934         * langhooks.c (lhd_staticp): Removed.
1935         * langhooks.h (struct lang_hooks): Remove staticp.
1936         * c-common.c (c_staticp): Remove.
1937         * c-common.h (c_staticp): Ditto.
1938         * langhooks-defs.h (lhd_staticp): Ditto.
1939         (LHD_HOOKS_STATICP): Ditto
1940         * tree.h (gcc_assert_lowered): New macro.
1942 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1944         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
1945         argument "reliable".
1946         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
1947         Add argument "reliable".  Propagate it through calls.
1948         (infer_loop_bounds_from_undefined):  Derive number of iterations
1949         estimates from references in blocks that do not dominate loop latch.
1950         (gcov_type_to_double_int): New function.
1951         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
1952         and expected_loop_iterations_unbounded.
1953         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
1954         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
1955         * tree-data-ref.c (estimated_loop_iterations): Export.
1956         (get_references_in_stmt): Fix -- do not return addresses of local
1957         objects.
1958         * cfgloop.h (expected_loop_iterations_unbounded,
1959         estimated_loop_iterations): Declare.
1961 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
1963         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
1965 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
1967         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
1968         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
1969         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
1970         Use output_387_reg_move().
1971         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
1972         expander using X87MODEF12 mode macro.
1973         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
1974         choosing register preferences.  Use output_387_reg_move().
1975         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
1976         instead of "x".  Use output_387_reg_move().
1977         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
1978         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
1979         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
1980         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
1981         Use output_387_reg_move().
1982         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
1983         mode macro.
1984         (*truncxf?f_i387 splitter): Ditto.
1986 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
1988         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
1989         LANG_HOOKS_SAFE_FROM_P.
1990         * expr.c (safe_from_p): Remove langhook call.
1991         * langhooks.h (lang_hooks): Remove safe_from_p.
1992         (lhd_safe_from_p): Remove prototype.
1993         * langhooks.c (lhd_safe_from_p): Remove.
1995 2007-04-06  Jan Hubicka  <jh@suse.cz>
1997         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
1998         functions.
2000 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2002         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2003         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2004         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2005         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2006         alternative.
2007         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2008         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2010 2007-04-05  Richard Henderson  <rth@redhat.com>
2012         * config/alpha/alpha.c (print_operand) [+]: Remove.
2013         (alpha_end_function): Print nop if call at end of function.
2014         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2015         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2016         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2017         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2018         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2019         the call pattern. Update peepholes to match.
2021 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
2023         * doc/extend.texi (Other Builtins): Add decimal float variants
2024         of signbit.
2025         * builtins.def: Ditto.
2026         * builtins.c (expand_builtin): Ditto.
2028 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
2029             H.J. Lu  <hongjiu.lu@intel.com>
2031         PR target/31478
2032         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2033         of V8HImode when calling ix86_binary_operator_ok.
2034         (sse2_pmaddwd): Call ix86_binary_operator_ok.
2035         (sdot_prodv8hi): Operands 1 and 2 must be register.
2037 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2039         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2040         initialize align to silence bogus warning.
2042 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2044         PR middle-end/22156
2045         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2046         all_no_warning.
2047         (struct sra_walk_fns): Remove use_all parameter from use.
2048         (sra_hash_tree): Handle BIT_FIELD_REFs.
2049         (sra_elt_hash): Don't hash bitfld blocks.
2050         (sra_elt_eq): Skip them in parent compares as well.  Handle
2051         BIT_FIELD_REFs.
2052         (sra_walk_expr): Don't maintain or pass down use_all_p.
2053         (scan_use): Remove use_all parameter.
2054         (scalarize_use): Likewise.  Re-expand assignment to
2055         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2056         output, and re-scalarize after output.  Don't mark anything
2057         for no warning.
2058         (scalarize_ldst): Adjust.
2059         (scalarize_walk_gimple_modify_statement): Likewise.
2060         (build_element_name_1): Handle BIT_FIELD_REFs.
2061         (instantiate_element): Don't warn for any element whose parent
2062         is used as a whole.
2063         (instantiate_missing_elements_1): Return the sra_elt.
2064         (canon_type_for_field): New.
2065         (try_instantiate_multiple_fields): New.
2066         (instantiate_missing_elemnts): Use them.
2067         (mark_no_warning): Removed.
2068         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2069         (REPLDUP, sra_build_elt_assignment): New.
2070         (generate_copy_inout): Use them.
2071         (generate_element_copy): Likewise.  Handle bitfld differences.
2072         (generate_element_zero): Don't recurse for blocks.  Use
2073         sra_build_elt_assignment.
2074         (generate_one_element_int): Take elt instead of var.  Use
2075         sra_build_elt_assignment.
2076         (generate_element_init_1): Adjust.
2077         (scalarize_use, scalarize_copy): Use REPLDUP.
2078         (scalarize_ldst): Move assert before dereference.
2079         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2081 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2083         * regmove.c: Fix unused variable warnings due to previous commit.
2085 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2087         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
2088         (regmove_bb_head): Remove.
2089         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
2090         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
2091         problems with fixup_match_1.
2092         Don't initialize/free regmove_bb_head.
2094         (reg_is_remote_constant_p): If an insn is in the same basic block
2095         but not before INSN, consider it remote, too.
2097 2007-04-05  Anatoly Sokolov <aesok@post.ru>
2099         PR target/25448
2100         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
2101         DECL_ASSEMBLER_NAME, not the DECL_NAME.
2103 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
2105         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
2106         (CONDITIONAL_REGISTER_USAGE): Likewise.
2108 2007-04-04  Richard Henderson  <rth@redhat.com>
2110         * config/alpha/lib1funcs.asm: Remove unused file.
2112 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2114         PR other/31356
2115         * opts.c (print_specific_help): Fix --help=<language>
2116         header line.
2117         (common_handle_option): Support --help=common.
2119 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2121         PR other/31353
2122         * gcc.c (main): Do not run the linker if
2123         print_subprocess_help indicates that it shouldn't be
2124         run.
2126 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2128         PR doc/31355
2129         * doc/invoke.texi (--help=): Document <languages> value, fix
2130         formatting in tables of values.
2132 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
2134         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
2135         dllimport attribute of virtual methods.
2137 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
2139         * config/score/crti.asm: Change _bss_start to __bss_start.
2140         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
2141         (OUTGOING_REG_PARM_STACK_SPACE) update.
2142         * config/score/score.opt: add options to make backend support
2143         score5, score5u, score7 and score7d.
2144         * config/score/score.md: Likewise.
2145         * config/score/misc.md: Likewise.
2146         * config/score/mac.md: Likewise.
2147         * doc/invoke.texi: Likewise.
2148         * doc/md.texi: update constraints define.
2150 2007-04-03  Richard Henderson  <rth@redhat.com>
2152         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
2153         an appropriate type, use the mode instead.
2155 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
2157         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
2158         Set the default --with-arch setting to mips2.
2159         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
2160         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
2161         (MULTILIB_OSDIRNAMES): Delete.
2162         (MULTILIB_DIRNAMES): Define.
2163         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
2164         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
2165         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
2166         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
2167         VXWORKS_OS_CPP_BUILTINS.
2168         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
2169         (MIPS_DEBUGGING_INFO): Undefine.
2170         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
2172 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
2174         PR middle-end/30704
2175         * fold-const.c (native_encode_real): Encode real.c provided longs
2176         as a series of 32-bit native integers.
2177         (native_interpret_real): Interpret buffer as a series of 32-bit
2178         native integers.
2180 2007-04-03  Richard Guenther  <rguenther@suse.de>
2182         * genpreds.c (write_insn_constraint_len): Write function
2183         optimized for CONSTRAINT_LEN implementation.
2184         (write_tm_preds_h): Output insn_constraint_len inline and
2185         use it for CONSTRAINT_LEN.
2186         (write_insn_preds_c): Don't output insn_constraint_len.
2187         * doc/md.texi (define_register_constraint): Document multi-letter
2188         constraints shall have the same length if they start with the same
2189         letter.
2191 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2193         PR target/31175
2194         * config/i386/i386.md (isinf<mode>2): Expand only when
2195         TARGET_C99_FUNCTIONS is set.
2197 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2199         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
2200         (x86_64-*-linux*): Ditto.
2201         * config/i386/i386.opt (mpc): New option.
2202         * config/i386/i386.c (overrride_options): Handle
2203         ix87_precision_string.
2204         * config/i386/crtprec.c: New file.
2205         * config/i386/t-crtpc: Ditto.
2206         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
2207         and -mpc80 options.
2208         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
2209         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2210         crtprec32.o, crtprec64.o and crtprec80.o.
2212         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
2213         and -mpc80 options.
2214         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
2216 2007-04-02  Eric Christopher  <echristo@apple.com>
2218         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
2219         limitations on darwin.
2221 2007-04-02  Anatoly Sokolov <aesok@post.ru>
2223         PR target/31137
2224         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
2226 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2228         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
2230 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2232         * libgcc2.h (exception_descriptor): Don't forward-declare.
2233         (__get_eh_table_language, __get_eh_table_version): Delete
2234         prototypes of long-dead functions.
2236 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
2238         * ebitmap.h: New file
2239         * ebitmap.c: New file
2240         * Makefile.in (ebitmap.o): New target.
2242 2007-04-01  Jan Hubicka  <jh@suse.cz>
2244         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
2245         before very first instruction.
2247 2007-04-01  Jan Hubicka  <jh@suse.cz>
2249         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
2250         waring on 64bit hosts.
2251         * bitmap.h: Fix typo in bitmap_head_def.
2253 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2255         PR rtl-optimization/31391
2256         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
2257         into a DELETED_LABEL note, and the label is in an empty basic
2258         block, update BB_END as well as BB_HEAD.
2260 2007-04-01  Richard Henderson  <rth@redhat.com>
2262         PR tree-optimization/31169
2263         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
2264         to varying if the range is outside [0,  prec-1].
2266 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
2268         PR target/31388
2269         * config/mips/mips.md (load_const_gp): New insn.
2270         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
2271         the MIPS16 GP pseudo register if no_new_pseudos.
2272         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
2274 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2276         PR target/31364
2277         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
2278         secureplt.
2279         (call_value): Likewise.
2281 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
2282             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2284         PR 14737
2285         * doc/invoke.texi: (optimization options): Reword description
2286         of -ffast-math. Document its primary purpose.
2288 2007-03-31  Richard Guenther  <rguenther@suse.de>
2290         * omp-low.c (splay-tree.h): Include.
2291         (lookup_decl): Replace splay-tree usage by pointer-map.
2292         (maybe_lookup_decl): Likewise.
2293         (new_omp_context): Likewise.
2294         (delete_omp_context): Likewise.
2295         * gimplify.c (splay-tree.h): Include.
2296         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
2297         pointer-map.
2298         (remap_ssa_name): Likewise.
2299         (remap_decl): Likewise.
2300         (remap_type_1): Likewise.
2301         (remap_type): Likewise.
2302         (copy_body_r): Likewise.
2303         (expand_call_inline): Likewise.
2304         (clone_body): Likewise.
2305         (copy_tree_r): Likewise.
2306         (remap_save_expr): Likewise.
2307         (unsave_r): Likewise.
2308         (unsave_expr_now): Likewise.
2309         (tree_function_versioning): Likewise.
2310         (build_duplicate_type): Likewise.
2311         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
2312         (struct copy_body_data): Replace splay-tree by pointer-map.
2313         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
2314         not $(SPLAY_TREE_H).
2315         (gimplify.o): Depend on $(SPLAY_TREE_H).
2316         (omp-low.p): Likewise.
2318 2007-03-31  Anatoly Sokolov <aesok@post.ru>
2320         * config/avr/predicates.md (even_register_operand,
2321         odd_register_operand): New predicates.
2322         * config/avr/avr.md (movw peephole2): New.
2323         (movw_r peephole2): New.
2325 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
2327         * tree.h (get_signed_or_unsigned_type): New.
2328         * fold-const.c (operand_equal_for_comparison_p): Use
2329         get_signed_or_unsigned_type instead of
2330         lang_hooks.types.signed_or_unsigned_type.
2331         * expr.c (store_expr): Ditto.
2332         * langhooks.c (get_signed_or_unsigned_type): New.
2333         (lhd_signed_or_unsigned_type): New.
2334         * langhooks.h (lhd_signed_or_unsigned_type): New.
2335         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
2337 2007-03-30  Richard Henderson  <rth@redhat.com>
2339         * tree-ssa-loop-ivopts.c: Include target.h.
2340         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
2341         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
2342         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
2343         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
2345 2007-03-30  Richard Henderson  <rth@redhat.com>
2346             Kai Tietz  <kai.tietz@onevision.com>
2348         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
2349         default for 64-bit.
2350         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
2351         (TARGET_64BIT_MS_ABI): New.
2352         (DBX_REGISTER_NUMBER): Handle 64-bit.
2353         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
2354         (LONG_TYPE_SIZE): Force to 32.
2355         (REG_PARM_STACK_SPACE): New.
2356         (OUTGOING_REG_PARM_STACK_SPACE): New.
2357         (REGPARM_MAX, SSE_REGPARM_MAX): New.
2358         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2359         (STACK_BOUNDARY): Use 128 for 64-bit.
2360         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
2361         Add 64-bit implementation.
2362         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
2363         argument unused.
2364         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
2365         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
2366         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
2367         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
2368         (ix86_handle_cconv_attribute): Don't warn when ignoring if
2369         TARGET_64BIT_MS_ABI.
2370         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
2371         (ix86_pass_by_reference): Likewise.
2372         (ix86_function_value_regno_p): Likewise.
2373         (ix86_build_builtin_va_list): Likewise.
2374         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2375         (function_arg_advance_ms_64): New.
2376         (function_arg_advance): Call it.
2377         (function_arg_ms_64): New.
2378         (function_arg): Call it.
2379         (function_value_ms_64): New.
2380         (ix86_function_value_1): Call it.
2381         (return_in_memory_ms_64): New.
2382         (ix86_return_in_memory): Call it.
2383         (setup_incoming_varargs_ms_64): New.
2384         (ix86_setup_incoming_varargs): Call it.
2385         (ix86_expand_prologue): Handle 64-bit stack probing.
2386         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
2387         (output_pic_addr_const): Likewise.
2388         (x86_this_parameter): Likewise.
2389         (x86_output_mi_thunk): Likewise.
2390         (x86_function_profiler): Likewise.
2391         (TARGET_STRICT_ARGUMENT_NAMING): New.
2392         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
2393         (TARGET_64BIT_MS_ABI): New.
2394         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
2395         * config/i386/i386.md (allocate_stack_worker): Remove.
2396         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
2397         describe the clobber of eax without a match_scratch.
2398         (allocate_stack_worker_postreload): Remove.
2399         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
2400         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
2401         (allocate_stack_worker_rex64_postreload): Remove.
2402         (allocate_stack): Handle 64-bit.
2403         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
2404         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
2405         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
2406         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
2407         (STANDARD_STARTFILE_PREFIX_1): Likewise.
2408         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
2409         * config.build (x86_64-*-mingw*): New host.
2410         * config.host (x86_64-*-mingw*): New host.
2411         * config.gcc (x86_64-*-mingw*): New target.
2412         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
2414 2007-03-30  Richard Henderson  <rth@redhat.com>
2415             Kai Tietz  <kai.tietz@onevision.com>
2417         * c-pragma.c (struct def_pragma_macro_value): New.
2418         (struct def_pragma_macro): New.
2419         (pushed_macro_table): New.
2420         (dpm_hash, dpm_eq): New.
2421         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
2422         (init_pragma): Install them.
2423         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2425 2007-03-30  Anatoly Sokolov <aesok@post.ru>
2427         * config/avr/avr.c (avr_override_options): Clear
2428         'flag_delete_null_pointer_checks'.
2430 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
2432         PR c++/26099
2433         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
2434         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
2435         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
2436         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
2437         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
2438         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
2439         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
2440         C++ extensions.
2441         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
2443 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
2445         * regmove.c: Move all of pass_stack_adjustments from here...
2446         * combine-stack-adj.c: ...to this new file.
2447         * Makefile.in: Add rules for combine-stack-adj.o.
2449 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
2451         PR tree-optimization/31383
2452         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
2453         to have the same length.
2455 2007-03-30  Jan Hubicka  <jh@suse.cz>
2457         PR middle-end/30700
2458         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
2459         availablility; add more sanity checking; ask varpool only about
2460         VAR_DECL.
2462 2007-03-29  Richard Henderson  <rth@redhat.com>
2464         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
2465         to decide, but __SIZEOF_LONG_LONG__.
2467 2007-03-29  Richard Henderson  <rth@redhat.com>
2469         * emutls.c (struct __emutls_array): New.
2470         (emutls_destroy): Use it instead of casting element 0 from void*.
2471         (__emutls_get_address): Likewise.
2473 2007-03-29  Richard Henderson  <rth@redhat.com>
2475         * varasm.c (initializer_constant_valid_p): Don't deny
2476         DECL_DLLIMPORT_P on functions.
2478         * config/i386/cygming.h: Remove function declarations.
2479         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
2480         (ASM_OUTPUT_LABELREF): Remove.
2481         (COMMON_ASM_OP): Remove.
2482         (ASM_OUTPUT_COMMON): Remove.
2483         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
2484         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
2485         (ASM_DECLARE_FUNCTION_NAME): Likewise.
2486         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
2487         Rename from TARGET_ENCODE_SECTION_INFO.
2488         * config/i386/netware.h: Likewise.
2489         * config/i386/i386-protos.h: Update.
2490         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
2491         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
2492         (legitimate_constant_p): Reject dllimports.
2493         (dllimport_map, get_dllimport_decl): New.
2494         (legitimize_dllimport_symbol): New.
2495         (legitimize_address, ix86_expand_move): Use it.
2496         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
2497         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
2498         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
2499         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
2500         * config/i386/predicates.md (constant_call_address_operand): Only
2501         accept symbols; reject dllimport_p symbols.
2502         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
2503         i386_pe_maybe_record_exported_symbol.
2504         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
2505         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
2506         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
2507         trust the setting of DECL_DLLIMPORT_P.
2508         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
2509         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
2510         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
2511         tidy the argument scanning loop.
2512         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
2513         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
2514         (i386_pe_strip_name_encoding): Remove.
2515         (i386_pe_binds_local_p): New.
2516         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
2517         (i386_pe_output_labelref): Remove.
2518         (i386_pe_asm_output_aligned_decl_common): New.
2519         (i386_pe_maybe_record_exported_symbol): Rename from
2520         i386_pe_record_exported_symbol; check for dllexported symbols.
2522 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
2524         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
2525         add comment explaining why vsnprintf cannot be used.
2527 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
2529         PR tree-optimization/30666
2530         * tree.c (build_complex_type): When creating type names for DWARF2
2531         debug info, create TYPE_DECLs for TYPE_NAME instead of
2532         IDENTIFIER_NODEs.
2533         (build_common_tree_nodes_2): Use build_complex_type when building
2534         predefined complex types, to preserve canonical types.
2536 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
2538         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
2539         (noce_get_alt_condition): Look at it to determine whether to
2540         reverse the condition or not.
2541         (noce_get_condition): Substitute the truth for lies.
2542         (noce_find_if_block): Set the then_else_reversed field.
2544 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
2546         * config/fr30/fr30.md (movdi): Do not accept immediates as the
2547         destination of this insn.
2548         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
2549         than calling gen_rtx_SET directly.  Use r0 to hold the value of
2550         'address + 4' rather than a stack based temporary which can be
2551         mis-optimized away.
2553 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2555         * config/s390/s390.c (s390_secondary_input_reload_class,
2556         s390_secondary_output_reload_class): Functions removed.
2557         (s390_secondary_reload): New function.
2558         (TARGET_SECONDARY_RELOAD): Target macro defined.
2559         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
2560         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
2561         * config/s390/s390.md ("reload_outti", "reload_outdi",
2562         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
2563         "reload_out<mode>"): Expanders removed.
2564         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
2565         "reload<mode>_nonoffmem_out"): Expanders added.
2567 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2569         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
2570         SRC->DEST replacement failed anyway.
2572 2007-03-28  Mike Stump  <mrs@apple.com>
2574         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
2575         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
2576         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
2578 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2580         * config.gcc: Accept barcelona as a variant of amdfam10.
2581         * config/i386/i386.c (override_options): Likewise.
2582         * doc/invoke.texi: Likewise.
2584 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
2586         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
2587         offsets for BIT_FIELD_REF and COMPONENT_REF.
2589 2007-03-28  Richard Guenther  <rguenther@suse.de>
2591         * tree.c (is_global_var): Move ...
2592         * tree-flow-inline.h (is_global_var): ... here.
2593         * tree.h (is_global_var): Remove declaration.
2595 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
2597         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
2598         option.
2599         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
2600         * config/i386/i386.c (ix86_tune_features): Initialize new
2601         tuning option.
2602         * config/i386/predicates.md (promotable_binary_operator): Use
2603         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
2605 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2607         PR target/31380
2608         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
2610 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
2612         * config/fr30/fr30.md (movsi_internal): Change destination
2613         constraint from m to V and add m to the end.
2615 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2617         * config/sh/sh.md (movsi_i): Fix type attribute.
2619 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2621         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
2622         (movsf_ie): Likewise.
2624 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2626         * config.gcc: Add sh4-300 to multilib.
2627         * config/sh/t-mlib-sh4-300: New file.
2629 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2631         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
2632         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
2633         fix_trunc<mode>di2.
2634         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
2635         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
2636         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
2637         "fixuns_trunctddi2"): Whitespace fix.
2639 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2641         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
2642         the definition of struct sh_args.
2643         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
2644         CALL_COOKIE_INT_REG_GET): Likewise.
2646 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
2648         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
2649         transformations are applied successfully.
2651 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
2653         * tree.c (tree_contains_struct): Permit 512 tree codes.
2654         * tree.h (tree_contains_struct): Ditto.
2655         (MAX_TREE_CODES): Ditto.
2656         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
2657         SPARE member to store remaining padding bits.
2659 2007-03-27  Anatoly Sokolov <aesok@post.ru>
2661         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
2662         architecture.
2664 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
2666         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
2667         * configure: Regenerate.
2669         * configure: Regenerate using the correct version of autoconf.
2671 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
2673         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
2674         pointer regs.
2675         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
2676         regs to "__SP_L__" and "__SP_H__".
2678 2007-03-27  Richard Guenther  <rguenther@suse.de>
2680         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
2681         computations with it with a HOST_WIDE_INT variable.
2683 2007-03-26  Mike Stump  <mrs@apple.com>
2685         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
2686         objective-c-header, objective-c++-header and objc++-cpp-output
2687         support.
2688         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2690 2007-03-26  Richard Henderson  <rth@redhat.com>
2692         PR target/31361
2693         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
2694         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
2695         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
2696         IX86_BUILTIN_PSRLQ128): New.
2697         (ix86_init_mmx_sse_builtins): Add them.
2698         (ix86_expand_builtin): Expand them.
2699         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
2700         operand 2 be TImode.
2701         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
2702         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
2703         _mm_srli_epi64): Mark __B const.
2704         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
2705         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
2706         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
2707         new two-vector shift builtins.
2709 2007-03-26  Ian Lance Taylor  <iant@google.com>
2711         PR tree-optimization/31345
2712         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
2713         [+INF, +INF(OVF)] into VARYING.
2715 2007-03-26  Zack Weinberg  <zackw@panix.com>
2717         * gengtype-parse.c: New file.
2718         * gengtype-yacc.y: Delete.
2719         * gengtype-lex.l: Don't include gengtype-yacc.h.
2720         Define YY_DECL and yyterminate appropriately for recursive
2721         descent parser.  yylval is now a string out-parameter to yylex.
2722         (HWS, EOID): New shorthand.
2723         (IWORD): Add a couple more types.
2724         (yylex): Add a setup stanza.  Remove the complex rules for
2725         detecting GTY'ed types and typedefs; replace with simple
2726         keyword detectors.  Adjust everything for the changed
2727         definition of yylval.  Ignore all pp-directives, not just #define.
2728         (yyerror): Delete.
2729         (parse_file): Rename yybegin; do not call yyparse.
2730         (yyend): New.
2731         * gengtype.c (xasprintf): Export again.
2732         (this_file): New.  Use everywhere __FILE__ was being used.
2733         (get_lang_bitmap): Special case types defined in gengtype.c.
2734         (do_typedef, new_structure): Suppress definition of certain types.
2735         (new_structure): Improve diagnostics of duplicate definitions.
2736         Make sure location_s is associated with input.h.
2737         (nreverse_pairs, define_location_structures): New functions.
2738         (main): Improve tagging of kludge types.  Remove old kludges
2739         for input.h types; use define_location_structures.
2740         * gengtype.h: Update prototypes.  Define token codes here.
2741         * Makefile.in: Remove all references to gengtype-yacc.
2742         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
2743         and gengtype.
2744         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
2745         add GTY((skip)) to the field that's only conditionally there.
2746         * doc/install.texi: Document that Bison is no longer required
2747         unless building treelang.
2749         * gengtype.c: Don't include gtyp-gen.h.
2750         (srcdir): Declare here.
2751         (base_files, lang_dir_names): Allocate dynamically.
2752         (gt_files, num_gt_files, num_lang_dirs): New globals.
2753         (measure_input_list, read_input_line, read_input_list)
2754         (set_lang_bitmap): New functions.
2755         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
2756         simplify, relying on read_input_list to set up the bitmaps.
2757         (main): Arguments are no longer unused.  Check for correct number
2758         of command line arguments, set srcdir and srcdir_len, then call
2759         read_input_list, before doing anything else.  No need to worry
2760         about duplicates in main loop.
2761         * configure.ac: Simplify the calculation of all_gtfiles.
2762         Put language tags in there.  Don't set or substitute
2763         all_gtfiles_files_langs or all_gtfiles_files_frags.
2764         * Makefile.in: Revamp the way gengtype is invoked, now that it
2765         takes a file on its command line with a much simpler format.
2766         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
2767         (GTFILES): Remove duplicates and C source files.
2768         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
2769         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
2770         * configure: Regenerate.
2772         * gengtype.h: Remove all type definitions to gengtype.c; leave
2773         only definitions of options_p, type_p, and pair_p as opaque
2774         pointers.  Update prototypes.
2775         * gengtype.c: Many type definitions moved here from gengtype.h.
2776         Consolidate type definitions at the top of the file.
2777         (xvasprintf): Delete.
2778         (xasprintf): Make static.
2779         (create_nested_pointer_option): Add 'next' parameter.
2780         (create_field_all, create_field_at): New functions.
2781         (create_field): Now a thin wrapper around create_field_all.
2782         (create_optional_field): Rename create_optional_field_ and add
2783         line argument.  Original name is now a macro which supplies
2784         __LINE__.
2785         (oprintf): Use vsnprintf directly.
2786         (close_output_files): Use fatal rather than perror/exit.
2787         (note_def_vec, note_def_vec_alloc): Use create_field_at.
2788         (main): Set progname.  Don't use exit.
2789         * gengtype-yacc.y (struct_fields): Use create_field_at.
2790         (option, optionseqopt): Delete.
2791         (optionseq): Consolidate productions from option here so we
2792         can use the first argument to create_option.
2794         * gengtype-lex.l: Distinguish unions from structures in the
2795         token type.  Don't call find_structure; return the tag as a string.
2796         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
2797         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
2798         Reorganize typedef_struct production accordingly.
2799         Use create_nested_ptr_option.
2800         * gengtype.c (create_nested_ptr_option): New function.
2801         * gengtype.h: Declare it.
2803         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
2804         (string_type): Don't declare.
2805         (do_scalar_typedef): Declare.
2806         (create_scalar_type): Update prototype.
2807         * gengtype.c (string_type): Make static.
2808         (scalar_nonchar, scalar_char): New.
2809         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
2810         (resolve_typedef): Use scalar_nonchar for error recovery.
2811         (create_scalar_type): Remove name_len field.  Return scalar_char
2812         or scalar_nonchar as appropriate.
2813         (adjust_field_type): Look at scalar_is_char boolean to decide whether
2814         to use string_type.
2815         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
2816         whenever possible.
2817         (main): Initialize scalar_char and scalar_nonchar before calling
2818         gen_rtx_next.
2819         * gengtype-lex.l: Adjust for removal of second argument to
2820         create_scalar_type.  Use yylval.s instead of yylval.t when
2821         returning SCALAR.
2822         * gengtype-yacc.y: Type of SCALAR is string.  Call
2823         create_scalar_type from type:SCALAR rule.  Adjust for removal of
2824         second argument to create_scalar_type.
2826         * vec.h: Remove all #if IN_GENGTYPE blocks.
2827         Add comment saying that changes may require adjustments to gengtype.
2828         * gengtype.c: Don't include coretypes.h or tm.h.
2829         Add comment to inclusion of errors.h.
2830         (note_def_vec, note_def_vec_alloc): New functions.
2831         * gengtype.h: Declare new functions.
2832         * gengtype-lex.l: Don't include coretypes.h.
2833         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
2834         Delete.
2835         (update_lineno): Remove unnecessary prototype.
2836         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
2837         (VEC rule): Just return VEC_TOKEN.
2838         * gengtype-yacc.y (VEC_TOKEN): New token type.
2839         (type): Add a production for VEC(a,b).
2840         * Makefile.in: Update dependencies.
2842         * gengtype-lex.l: Remove rules for parsing pointer-to-function
2843         typedefs that use the old PARAMS macro.
2845         * gengtype-lex.l: Remove all rules and states relating to yacc
2846         input files.
2847         * gengtype-yacc.y: Similarly.
2848         * gengtype.c (note_yacc_type): Delete function.
2849         * gengtype.h: Update prototypes.
2851 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
2853         * tree-pretty-print.c (dump_generic_node): Report precision of
2854         unnamed integer types.
2856 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
2858         * ifcvt.c (noce_try_store_flag_constants): Don't check
2859         no_new_pseudos here.
2860         (noce_try_store_flag_constants): Don't check no_new_pseudos.
2861         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
2862         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
2863         noce_try_sign_mask): Likewise.
2864         (if_convert): Check no_new_pseudos here.
2866         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
2867         Remove prototypes.
2868         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
2869         (noce_get_condition): Handle new then_else_reversed argument.
2870         (noce_init_if_info): Remove, fold into noce_find_if_block.
2871         (noce_process_if_block): Take a struct noce_if_info as the
2872         argument.  Don't set up one based on ce_if_info.  Update pointer
2873         references accordingly.
2874         (cond_move_process_if_block): Likewise.
2875         (process_if_block): Removed.
2876         (find_if_block): Removed.  Move functionality two new functions,
2877         noce_find_if_block and cond_exec_find_if_block.
2878         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
2879         blocks and the symmetric IF-ELSE-JOIN case.
2880         (cond_exec_find_if_block): Also new function mostly based on old
2881         find_if_block and process_if_block.
2882         (find_if_header): Replace find_if_block call with separately
2883         guarded calls to noce_find_if_block and cond_exec_find_if_block.
2884         (find_cond_trap): Update noce_get_condition call.
2885         (dead_or_predicable): Likewise.
2887 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
2889         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
2890         Remove.
2891         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
2892         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
2893         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
2894         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
2895         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
2896         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
2897         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
2898         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
2899         __builtin_ia32_psrad128 builtins.
2901 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
2903         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
2904         * config/i386/constraints.md
2905         (define_constraint "I"): Use IN_RANGE macro.
2906         (define_constraint "J"): Ditto.
2907         (define_constraint "K"): Ditto.
2908         (define_constraint "M"): Ditto.
2909         (define_constraint "N"): Ditto.
2910         (define_constraint "O"): Ditto.
2911         * config/i386/predicates.md
2912         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
2913         (define_predicate "const_0_to_3_operand"): Ditto.
2914         (define_predicate "const_0_to_7_operand"): Ditto.
2915         (define_predicate "const_0_to_15_operand"): Ditto.
2916         (define_predicate "const_0_to_63_operand"): Ditto.
2917         (define_predicate "const_0_to_255_operand"): Ditto.
2918         (define_predicate "const_1_to_31_operand"): Ditto.
2919         (define_predicate "const_2_to_3_operand"): Ditto.
2920         (define_predicate "const_4_to_7_operand"): Ditto.
2922 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
2924         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
2925         in SImode for save_world.
2926         * config/rs6000/altivec.md (save_world, restore_world): Convert to
2927         LR hard reg.
2929 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
2931         PR tree-optimization/30784
2932         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
2933         BIT_FIELD_REF.
2935 2007-03-25  Revital Eres  <eres@il.ibm.com>
2937         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
2938           Fold movement_possibility function into it.
2940 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
2942         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
2943         (load_macho_picbase_{si,di}): Convert to LR hard reg.
2944         (call_indirect_nonlocal_darwin64): Same.
2945         (call_nonlocal_darwin64): Same.
2946         (call_value_indirect_nonlocal_darwin64): Same.
2947         (call_value_nonlocal_darwin64): Same.
2948         (sibcall_nonlocal_darwin64): Same.
2949         (sibcall_value_nonlocal_darwin64): Same.
2950         (sibcall_symbolic_64): Same.
2951         (sibcall_value_symbolic_64): Same.
2952         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
2953         LR pseudo.
2954         (rs6000_emit_load_toc_table): Same.
2955         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
2956         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
2957         (mull_call): Same.
2958         (divss_call): Same.
2959         (divus_call): Same.
2960         (quoss_call): Same.
2961         (quous_call): Same.
2962         (load_toc_v4_pic_si): Same
2963         (load_toc_v4_PIC_1): Same.
2964         (load_toc_v4_PIC_1b): Same.
2965         (call_indirect_aix{32,64}): Same.
2966         (call_value_indirect_aix{32,64}): Same.
2967         (call): Same.
2968         (call_value): Same.
2969         (call_local{32,64}): Same.
2970         (call_value_local{32,64}): Same.
2971         (call_indirect_nonlocal_aix{32,64}): Same.
2972         (call_nonlocal_aix{32,64}): Same.
2973         (call_value_indirect_nonlocal_aix{32,64}): Same.
2974         (call_value_nonlocal_aix{32,64}): Same.
2975         (call_indirect_nonlocal_sysv<mode>): Same.
2976         (call_nonlocal_sysv<mode>): Same.
2977         (call_value_indirect_nonlocal_sysv<mode>): Same.
2978         (call_value_nonlocal_sysv<mode>): Same.
2979         (sibcall): Same.
2980         (sibcall_local{32,64}): Same.
2981         (sibcall_value_local{32,64}): Same.
2982         (sibcall_nonlocal_aix{32,64}): Same.
2983         (sibcall_value_nonlocal_aix{32,64}): Same.
2984         (sibcall_nonlocal_sysv<mode>): Same.
2985         (sibcall_value): Same.
2986         (sibcall_value_nonlocal_sysv<mode>): Same.
2988 2007-03-24  Paul Brook  <paul@codesourcery.com>
2990         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
2991         * config/arm/linux-eabi.h: Remove legacy syscall hack.
2993 2007-03-24  Richard Henderson  <rth@redhat.com>
2995         * config/ia64/constraints.md: New file.
2996         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
2997         satisfies_constraint_?.
2998         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
2999         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3000         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3001         ia64_output_mi_thunk): Likewise.
3002         (ia64_const_ok_for_letter_p): Remove.
3003         (ia64_const_double_ok_for_letter_p): Remove.
3004         (ia64_extra_constraint): Remove.
3005         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3006         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3007         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3008         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3009         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3010         EXTRA_MEMORY_CONSTRAINT): Remove.
3011         * config/ia64/ia64.md: Include constriants.md.  Replace
3012         CONST_OK_FOR_? with satisfies_constraint_?.
3014 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
3015             H.J. Lu  <hongjiu.lu@intel.com>
3017         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3018         DPD or BID name.
3019         (name macros): Use DPD_BID_NAME to convert names properly.
3021         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3022         decimal floating point format.
3023         (init_floating_libfuncs): Change decimal functions so that they
3024         have a "bid_" prefix if the decimal system uses the BID format,
3025         and "dpd_" prefix if the decimal system uses the DPD format.
3026         (init_interclass_conv_libfuncs): Ditto.
3027         (init_intraclass_conv_libfuncs): Ditto.
3029         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3030         using the BID format.
3032         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3033         whether we are using the BID decimal format.
3034         * configure: Regenerate.
3036         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3037         the compiler has decimal floating point enabled.  Define
3038         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3039         instead of DPD.
3041         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3042         using the BID format.
3044         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3045         whether we are using the BID decimal format.
3046         * configure: Regenerate.
3048         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3049         the compiler has decimal floating point enabled.  Define
3050         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3051         instead of DPD.
3053         * doc/install.texi (--enable-decimal-float): Document BID and DPD
3054         options, and that it is enabled for i386/x86_64 systems.
3056         * Makefile.in (enable_decimal_float): New.
3057         (DECNUMFMT): New.
3058         (DECNUMINC): Add  -I$(DECNUMFMT).
3059         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
3060         to $(DECNUMFMT) from $(DECNUM).
3062         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
3063         Substitute enable_decimal_float.
3064         * configure: Regenerated.
3066         PR other/30529
3067         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
3068         unsigned long.
3070         * configure.ac: Enable decimal float for x86_64-*-linux*.
3071         * configure: Regenerated.
3073         PR other/30530
3074         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
3075         decimal128ClearSign to flip and clear the sign bit in decimal128.
3076         (decimal_real_maxval): Set decimal128SetSign to set the sign
3077         bit in decimal128.
3079 2007-03-23  Ian Lance Taylor  <iant@google.com>
3081         * fold-const.c (fold_binary): Correct warning for X - c >= X.
3083 2007-03-23  Ian Lance Taylor  <iant@google.com>
3085         * tree-dump.c (dump_files): Correct comment.
3087 2007-03-23  Ian Lance Taylor  <iant@google.com>
3089         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
3091 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
3093         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
3094         in cfglayout mode.  Don't go into and out of cfglayout mode.
3095         Link the blocks in the order of the constructed traces.
3096         (rest_of_handle_tracer): Adjust call to tracer.
3097         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
3098         Don't go into cfglayout mode.
3099         (rtl_loop_done): Don't go out of cfglayout mode.
3100         * cfglayout.c (relink_block_chain): New function, split out from...
3101         (fixup_reorder_chain): ...here.  Remove redundant checking.
3102         (cfg_layout_finalize): Don't clear the header, footer, and aux
3103         fields here, move the code to do so to relink_block_chain.  Likewise
3104         for free_original_copy_tables.
3105         * rtl.h (tracer): Update prototype.
3106         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
3107         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
3108         mode.  Use relink_block_chain to serialize the CFG according to the
3109         new basic block order.  Move targetm.cannot_modify_jumps_p check from
3110         here...
3111         (gate_handle_reorder_blocks): ...to here.
3112         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
3113         from here...
3114         (gate_duplicate_computed_gotos): ...to here.
3115         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
3116         something always changes when going into and out of cfglayout mode.
3117         Perform an expensive cfg cleanup while going into cfglayout mode.
3118         Always update liveness information on HAVE_conditional_execution
3119         targets.  Reserialize the basic blocks and go out of cfglayout mode.
3120         * reg-stack.c: Include cfglayout.h.
3121         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
3122         the call to reorder_basic_blocks.
3123         * basic-block.h (reorder_basic_blocks): Update prototype.
3124         (relink_block_chain): New prototype.
3125         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
3127 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
3129         * config/mips/mips.md (type, hazard, *movdi_32bit,
3130         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
3131         *movhi_internal, *movqi_internal, *movsf_hardfloat,
3132         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
3133         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
3134         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
3135         applicable.
3136         (movcc): Change first xfer to multi.
3137         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
3138         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
3139         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
3140         config/mips/generic.md: Change reservations using "xfer" to use
3141         "mfc,mtc".
3142         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
3143         using match_operand.
3144         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
3145         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
3146         examining mode.
3147         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
3149 2007-03-22  Richard Henderson  <rth@redhat.com>
3151         * config/i386/i386.c: Remove unnecessary function declarations.
3152         Move targetm definition, and all related macros, to the end of
3153         the file.  Resort some functions to put definitions before uses.
3154         (ix86_attribute_table): Make static.  Move to end of file.
3155         (ix86_gimplify_va_arg): Make static.
3157 2007-03-22  Richard Henderson  <rth@redhat.com>
3159         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
3160         don't increase local_regparm with force_align_arg_pointer check.
3161         (ix86_function_sseregparm): Assert 32-bit.
3162         (type_has_variadic_args_p): New.
3163         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
3164         type_has_variadic_args_p.
3165         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
3166         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
3167         use memset instead.  Do maybe_vaarg check first; skip attribute
3168         tests if true; skip attribute tests for 64-bit.
3169         (construct_container): Remove TARGET_DEBUG_ARG.
3170         (function_arg_advance_32, function_arg_advance_64): Split out ...
3171         (function_arg_advance): ... from here.
3172         (function_arg_32, function_arg_64): Split out ...
3173         (function_arg): ... from here.
3174         (ix86_pass_by_reference): Tidy.
3175         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
3176         (function_value_32): New, from parts of ix86_function_value
3177         and ix86_value_regno.
3178         (function_value_64): New, from parts of ix86_function_value
3179         and ix86_libcall_value.
3180         (ix86_function_value_1): New.
3181         (ix86_function_value, ix86_libcall_value): Use it.
3182         (return_in_memory_32, return_in_memory_64): Split out ...
3183         (ix86_return_in_memory): ... from here.
3184         (ix86_struct_value_rtx): Skip for 64-bit.
3185         (ix86_libcall_value, ix86_value_regno): Remove.
3186         (setup_incoming_varargs_64): Split out ...
3187         (ix86_setup_incoming_varargs): ... from here.
3188         (ix86_va_start): Remove TARGET_DEBUG_ARG.
3189         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
3190         * config/i386/i386-protos.h (ix86_function_value): Remove.
3191         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
3193 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3195         PR other/23572
3196         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
3197         infinities not supported, otherwise emit warning if -Woverflow. On
3198         underflow, emit warning if -Woverflow.
3199         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
3200         and 0 otherwise.
3201         * real.h (real_from_string): Update declaration
3203 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
3204             Richard Henderson  <rth@redhat.com>
3206         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
3207         * calls.c (compute_argument_block_size, expand_call,
3208         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
3209         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
3210         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
3211         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
3212         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
3213         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
3214         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
3215         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
3216         Set to 1.
3218 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
3220         * c-incpath.c (add_sysroot_to_chain): New.
3221         (merge_include_chains): Add sysroot argument.  Call
3222         add_sysroot_to_chain if sysrooted.
3223         (register_include_chains): Update call to merge_include_chains.
3224         * doc/cppopts.texi: Document use of '=' in include directory
3225         arguments.
3227 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
3229         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
3230         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
3231         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
3232         insn pattern using X87MODEF12 mode macro.
3234 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
3236         * regmove.c (regmove_optimize): Use reg_mentioned_p
3237         instead of reg_overlap_mentioned_p for DST.
3239 2007-03-21  Mike Stump  <mrs@apple.com>
3241         * c.opt: Fixup for Objective-C/C++.
3243 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
3245         * explow.c (convert_memory_address): Fold memory reference when
3246         POINTERS_EXTEND_UNSIGNED < 0
3248 2007-03-21  Richard Henderson  <rth@redhat.com>
3250         PR target/31245
3251         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
3252         * config/i386/mmintrin.h (__m64): Likewise.
3253         * config/i386/xmmintrin.h (__m128): Likewise.
3255 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3257         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
3258         (VXWORKS_OS_CPP_BUILTINS): Define.
3259         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
3260         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
3262 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3264         * rtl.h (constant_pool_reference_p): Delete.
3265         (find_constant_src): Declare.
3266         * rtlanal.c (find_constant_src): New function.
3267         * simplify-rtx.c (constant_pool_reference_p): Delete.
3268         * config/i386/i386.md: Use find_constant_src instead of
3269         constant_pool_reference_p/avoid_constant_pool_reference pairs.
3271 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3273         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
3274         * c-cppbuiltin.c (c_cpp_builtins): Define them.
3276 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
3278         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
3279         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
3280         (arm_elf_asm_constructor): Use it.
3281         (arm_elf_asm_destructor): New function.
3283 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3285         * jump.c (mark_jump_label): Treat SEQUENCE specially.
3287 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
3289         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
3291 2007-03-19  Andrew Haley  <aph@redhat.com>
3293         PR tree-optimization/31264
3294         * tree-vrp.c (register_edge_assert_for_1): Don't look though
3295         VIEW_CONVERT_EXPRs.
3297 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
3299         PR rtl-optimization/30907
3300         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
3301         (fwprop_init): Always call loop_optimizer_initialize.
3302         (fwprop_done): Always call loop_optimizer_finalize.
3303         (fwprop): We always have loop info now.
3304         (gate_fwprop_addr): Remove.
3305         (pass_fwprop_addr): Use gate_fwprop as gate.
3307         PR rtl-optimization/30841
3308         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
3309         df_chain_alloc): Call df_reorganize_refs unconditionally.
3310         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
3311         refs_organized to refs_organized_size.
3312         (df_ref_create_structure): Use refs_organized_size instead of
3313         bitmap_size if refs had been organized, and keep refs_organized_size
3314         up-to-date.
3315         * df.h (struct df_ref_info): Change refs_organized to
3316         refs_organized_size.
3317         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
3318         bitmap_size.
3320 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
3322         * except.c (output_function_exception_table): Do not reference the
3323         EH personality routine for functions that do not require an
3324         exception table.
3326 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
3328         PR c/30762
3329         * c-typeck.c (convert_for_assignment): Call comptypes for
3330         RECORD_TYPE or UNION_TYPE.
3332         PR inline-asm/30505
3333         * reload1.c (reload): Do invalid ASM checking after
3334         cleanup_subreg_operands.
3336 2007-03-19  Jeff Law  <law@redhat.com>
3338         * tree-cfg.c (find_taken_edge): Tighten conditions for
3339         optimizing computed gotos.
3341 2007-03-19  Michael Matz  <matz@suse.de>
3343         * builtins.c (expand_builtin_sync_operation,
3344         expand_builtin_compare_and_swap,
3345         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
3346         correctly.
3348         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
3349         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
3350         for operand 3.
3352 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3354         * doc/tm.texi: Add brackets around the return type of
3355         TARGET_SECONDARY_RELOAD.
3357 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3358         Richard Guenther  <rguenther@suse.de>
3360         PR tree-optimization/31254
3361         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3362         Use handled_component_p () where appropriate.  Continue
3363         propagating into the rhs if we propagated into an INDIRECT_REF
3364         on the lhs.
3366 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3368         * config/s390/s390.md (op_type attribute): RRR instruction type added.
3369         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
3370         (xde, xdee): Mode attributes adjusted to support DFP modes.
3371         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
3372         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
3373         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
3374         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
3375         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
3376         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3377         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
3378         numbers.
3379         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
3380         "movsf"): Insn definitions removed.
3381         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
3382         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
3383         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
3384         definitions added.
3385         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
3386         "reload_in<mode>", "reload_out<mode>"): Expander added.
3387         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
3388         Expander removed.
3390 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3392         * config/s390/s390.md: Only non-functional changes.  Renamed
3393         FPR mode macro to BFP all over the file.
3395 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3397         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
3398         (op_type attribute): RRF instruction type added.
3399         (fT0): New mode attribute.
3400         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3401         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
3402         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
3403         no secondary memory is needed when moving DFmode values between GPRs
3404         and FPRs.
3406 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3408         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
3409         inverted and documentation adjusted.
3410         ("mhard-dfp", "msoft-dfp"): New options.
3411         * config/s390/s390.c (s390_handle_arch_option): New architecture
3412         switch: z9-ec.
3413         (override_options): Sanity checks for the new options added.
3414         * config.gcc: New architecture switch: z9-ec.
3415         * config/s390/s390.h (processor_flags): PF_DFP added.
3416         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
3417         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
3418         when the bit is NOT set so remove it from the defaults.
3420 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3422         * genemit.c (main): Print include statement for dfp.h.
3423         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
3424         is not available.
3426 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3428         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
3430 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3432         PR target/31022
3433         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
3434         instead of PATTERN.
3436 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3438         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
3439         attr_length_call, output_call, output_indirect_call): Cleanup
3440         formatting of targetm calls.
3442 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3444         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
3446 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3448         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
3449         reservation, bypass and anti-bypass descriptions for these instructions.
3450         Update move patterns.
3451         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
3452         TYPE_FPSTORE.
3454 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
3456         * tree-vect-transform.c (get_initial_def_for_induction): Replace
3457         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
3458         (get_initial_def_for_reduction): Likewise.
3460 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
3462         Fix PR tree-optimization/29922
3463         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
3464         (get_representative): Removed.
3465         (value_dies_in_block_x): Update for rvuse removal.
3466         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
3467         (compute_antic_aux): Handle when PHI nodes appear in
3468         non-single-successors.
3469         (dump_bitmap_of_names): Removed.
3470         (compute_antic_safe): Renamed and removed rvuse calculation.
3471         Calculate only antic safe.
3472         (insert_into_preds_of_block): Remove assert.
3473         (execute_pre): Update for renamed functions.
3474         (defer_or_phi_translate_block): New function.
3476 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3478         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
3479         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
3480         typos.
3481         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
3482         Follow spelling conventions.
3484         * tree-data-ref.h: Remove the prototype for analyze_array.
3486 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
3488         PR tree-optimization/31041
3489         * tree-vect-transform.c (get_initial_def_for_induction): Call
3490         force_gimple_operand.
3492 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
3494         * ipa-type-escape.c (look_for_casts) : Revert code to use
3495         handled_component_p due to ada test a-numaux.adb.
3497 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3499         * final.c (final_scan_insn): Alter the condition of a
3500         conditional trap if we have nonstandard CC.
3502 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3504         * configure.ac: Remove excess quoting from asm line 0 test.
3505         * configure: Rebuilt.
3507 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3509         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
3510         * c-common.c (convert_and_check): Move warning logic to...
3511         (warnings_for_convert_and_check): ...here. Define.
3512         * c-common.h (warnings_for_convert_and_check): Declare.
3514 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3516         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
3517         (output_call): Likewise.
3519 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3521         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
3523 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3525         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
3527 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
3529         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
3530         opteron, athlon-64 and athlon-fx processor_alias_table entries.
3532 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
3534         PR tree-optimization/31183
3535         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
3536         Use double_int instead of unsigned int for representing access_strides.
3537         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
3539 2007-03-16  Richard Guenther  <rguenther@suse.de>
3541         PR tree-optimization/31146
3542         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
3543         to allow recursion of forward_propagate_addr_expr.
3544         (forward_propagate_addr_into_variable_array_index): Likewise.
3545         (forward_propagate_addr_expr): Likewise.
3546         (tree_ssa_forward_propagate_single_use_vars): Likewise.
3547         (forward_propagate_addr_expr_1): Recurse on simple copies
3548         instead of propagating into them.  Do so for useless conversions
3549         as well.
3550         (forward_propagate_addr_expr): Clean up unused statements after
3551         recursion.
3553 2007-03-16  Richard Guenther  <rguenther@suse.de>
3555         * builtins.c (expand_builtin_cexpi): Use the right argument
3556         for the expansion via cexp.
3558 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3560         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
3561         * configure: Rebuilt.
3563 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3565         PR debug/29906
3566         * dwarf2out.c (force_type_die): Adjust comment.
3567         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
3569 2007-03-15  DJ Delorie  <dj@redhat.com>
3571         * config/frv/predicates.md (minmax_operator): Don't check operands
3572         here.
3574 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3576         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
3577         Update constant estimates of number of iterations.
3578         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
3579         argument renamed to "realistic".
3580         (compute_estimated_nb_iterations): Removed.
3581         (record_niter_bound): New function.
3582         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
3583         call record_nonwrapping_iv with upper = false.
3584         (infer_loop_bounds_from_signedness): Pass upper argument to
3585         record_nonwrapping_iv.
3586         (estimate_numbers_of_iterations_loop): Do not call
3587         compute_estimated_nb_iterations.  Record estimate based on profile
3588         information.  Initialize the constant estimates of number of
3589         iterations.
3590         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
3591         estimates.
3592         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
3593         number of iterations is too small.
3594         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
3595         (EST_NOT_AVAILABLE): Removed.
3596         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
3597         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
3598         fields.
3600 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3602         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
3603         Handle NE_EXPR guards.
3605 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3607         PR c++/24924
3608         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
3609         Set also -pedantic-errors by default for the  preprocessor unless
3610         -fpermissive is given.
3612 2007-03-15  Richard Guenther  <rguenther@suse.de>
3614         PR middle-end/29719
3615         PR middle-end/31161
3616         * builtins.c (expand_builtin_cexpi): As a fallback if we
3617         don't have builtins for sincos or cexp create a function
3618         declaration for cexp and expand to a call to that.
3619         (expand_builtin_int_roundingfn): Always fall
3620         back to floor/ceil and its variants even if they may be
3621         not available.
3623 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
3625         PR middle-end/31159
3626         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
3627         jump tables, move the call to delete_dead_jumptables from here...
3628         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
3629         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
3630         don't allow merging of blocks that try_redirect_by_replacing_jump
3631         also does not handle when not optimizing.
3633 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3634             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3636         * config/i386/i386.md (x86_sahf_1): Correctly handle
3637         HAVE_AS_IX86_SAHF.
3639 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3641         PR target/31167
3642         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
3643         x86_64_general_operand as operand[2] predicate.  Remove "iF"
3644         from operand constraints and use "e" constraint instead.
3645         (*subti3_1, *subti3_1 splitter): Ditto.
3646         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
3647         operand[1] predicate.
3649 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
3651         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
3652         arrays, multiply the access strides by the size of the sub-array.
3653         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
3655 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
3657         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
3658         the configured assembler supports the sahf mnemonic.
3659         * configure: Regenerate.
3660         * config.in: Regenerate.
3662         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
3663         emit "sahf" or ".byte\t0x9e" as asm template.
3665 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
3667         PR 31018
3668         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
3669         option to replace hard coded TARGET_xxx in md file.
3670         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
3671         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3672         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
3673         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
3674         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
3675         (X86_TUNE_NOT_VECTORMODE): Ditto.
3676         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
3677         (TUNE_AVOID_VECTOR_DECODE): Ditto.
3678         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3679         (TUNE_SLOW_IMUL_IMM8): Ditto.
3680         (TUNE_MOVE_M1_VIA_OR): Ditto.
3681         (TUNE_NOT_UNPAIRABLE): Ditto.
3682         (TUNE_NOT_VECTORMODE): Ditto.
3684         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
3685         options.
3687         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
3688         tuning options instead of hard coded TARGET_xxx.
3689         (fix ssemode peephole2's): Ditto.
3690         (imul peephole2's): Ditto.
3691         (movsi_or): Ditto.
3692         (movdi_or_rex64): Ditto.
3693         (move peephole2): Ditto.
3694         (not peephole2's): Ditto.
3696 2007-03-14  Dirk Mueller  <dmueller@suse.de>
3698         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
3699         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
3700         * c-parser.c (c_parser_if_body): Always add an empty statement in case
3701         of empty body.
3702         * c-parser.c (c_parser_do_statement): Warn about empty body in
3703         do/while statement.
3704         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
3705         * doc/invoke.texi (-Wempty-body): Update documentation.
3707 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3709         PR c/21438
3710         * c-common.h (warn_for_div_by_zero): Declare.
3711         * c-common.c (warn_for_div_by_zero): Define.
3712         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
3713         warning.
3715 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3717         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
3718         to PREFIX and STANDARD_PREFIX.
3720 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3721             Phil Edwards  <phil@codesourcery.com>
3723         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
3724         (__gthread_once_t): Remove busy field for RTPs.
3725         (__GTHREAD_ONCE_INIT): Update accordingly.
3727 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3729         * doc/invoke.texi: Document VxWorks options.
3731 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
3733         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
3735 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
3737         PR tree-optimization/30590
3738         * tree-nrv.c (tree_nrv): Check for the partial update of the
3739         return value.
3741 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
3743         * flags.h (flag_random_seed): Remove declaration, in favor of...
3744         * toplev.h (get_random_seed, set_random_seed): ... these.
3745         * tree.c (get_file_function_name): Use the former.
3746         * opts.c (common_handle_option): Use the latter.
3747         * toplev.c
3749 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
3751         PR middle-end/31127
3752         * cse.c (cse_find_path): Do not bail out if a basic block that
3753         we already visited now becomes part of a path that starts at a
3754         different basic block.  Just disallow this, to make sure we
3755         visit each basic block at most once.
3757 2007-03-13  Jan Hubicka  <jh@suse.cz>
3759         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
3760         when profile esitmate is present, calls with very low frequency are
3761         cold.
3763 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
3765         PR tree-optimization/30730
3766         PR tree-optimization/26900
3767         * tree-ssa-loop-niter.c: Include gmp.h.
3768         (bounds): New type.
3769         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
3770         split_to_var_and_offset, determine_value_range,
3771         bound_difference_of_offsetted_base, refine_bounds_using_guard,
3772         bound_difference, bounds_add, bounds_negate,
3773         number_of_iterations_ne_max, dump_affine_iv): New functions.
3774         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3775         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
3776         difference of initial and final value of control iv to validate
3777         results.
3778         (number_of_iterations_cond): Add loop parameter.  Determine bounds
3779         on the difference of the extremes of the control iv.  Add dumps.
3780         (expand_simple_operations): Handle phi nodes.
3781         (simplify_using_initial_conditions): Do not record used conditions.
3782         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
3783         Do not set additional_info.
3784         (implies_nonnegative_p, implies_ge_p): Removed.
3785         (derive_constant_upper_bound): Do not use parameter `additional'.
3786         (record_estimate): Parameter `additional' removed.  Parameter
3787         `i_bound' added.  Do not call derive_constant_upper_bound.
3788         (record_nonwrapping_iv): Use derive_constant_upper_bound to
3789         bound the number of iterations estimate.
3790         (estimate_numbers_of_iterations_loop): Pass the estimate from
3791         the number of iterations analysis to record_estimate.
3792         * tree.h (multiple_of_p): Declare.
3793         * tree-scalar-evolution.c (expression_expensive_p): Removed.
3794         (scev_const_prop): Do not check expression_expensive_p.
3795         * fold-const.c (multiple_of_p): Exported.
3796         * double-int.c (double_int_mask): Exported.
3797         * double-int.h (double_int_mask): Declare.
3798         * tree-flow.h (struct tree_niter_desc): Removed additional_info
3799         field.  Added max field.
3801 2007-03-13  David Taylor  <taylor@candd.org>
3803         PR driver/12448:
3804         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
3805         default -MQ.
3807 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3809         PR target/31123
3810         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
3811         two unamed patterns.
3813 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
3815         * config/i386/i386.opt (mcx16, msahf): New options.
3816         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
3817         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
3819         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
3820         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
3821         Output -mcx16 and -msahf options when corresponding bit is set.
3823         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
3824         and -msahf options.
3826 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
3828         * configure.ac: Test for assembler tolerance to # 0 "".
3829         * configure, config.in: Rebuilt.
3830         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
3832 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
3834         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
3836         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
3837         (handle_syscall): Handle direct system calls.
3838         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
3840 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
3842         * doc/invoke.texi: Fix cpp.info cross-reference.
3843         * doc/passes.texi: Fix gcc.info cross-reference.
3845 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
3847         PR tree-optimization/30835
3848         * lambda-code.c (can_convert_to_perfect_nest): Check whether
3849         bb_for_stmt is not NULL before accessing it.
3851 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
3853         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
3854         some multilibs.
3856 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
3858         PR 30635
3859         * doc/install.texi: Document --enable-stage1-languages
3861 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
3863         * tree-pass.h (pass_into_cfg_layout_mode,
3864         pass_outof_cfg_layout_mode): Declare.
3865         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
3866         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
3867         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
3868         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
3870 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
3872         * c-decl.c (warn_variable_length_array): New function.
3873         Refactored from grokdeclarator to handle warn_vla
3874         and handle unnamed array case.
3875         (grokdeclarator): Refactored VLA warning case.
3876         * c.opt (Wvla): New flag.
3877         * doc/invoke.texi (Wvla): New warning.
3879 2007-03-12  Richard Henderson  <rth@redhat.com>
3881         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
3882         (TARGET_SECTION_TYPE_FLAGS): New.
3884 2007-03-12  Richard Henderson  <rth@redhat.com>
3886         * config/darwin.c (machopic_reloc_rw_mask): New.
3887         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
3888         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
3890 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
3892         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
3893         * cppdefault.h (cpp_PREFIX): Document.
3894         (cpp_PREFIX_len): Likewise.
3895         (cpp_EXEC_PREFIX): New variable.
3896         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
3897         * c-incpath.c (add_standard_paths): Correct logic for relocating
3898         paths within prefix.
3900 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
3902         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
3903         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
3904         mode macro.
3905         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
3906         fix_truncdfdi_sse using SSEMODEF mode macro.
3907         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
3908         fix_truncdfsi_sse using SSEMODEF mode macro.
3909         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
3910         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
3912 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
3914         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
3915         elfos.h to tm_file.
3917 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
3919         * tree.h : Add multiple_of_p declaration.
3920         * fold-const.c (multiple_of_p): Make multiple_of_p public.
3921         * ipa-type-escape.c (results_of_malloc): Redundant.
3922         (visited_stmts): New. Visited stmt for walk_use_def_chains.
3923         (cast_type): Extended with new members.
3924         (check_cast): Returns cast_type.
3925         (cast): New structure for data of walk_use_def_chains.
3926         (is_malloc_result, is_cast_from_non_pointer_1,
3927         is_cast_from_non_pointer,
3928         is_array_access_through_pointer_and_index): New functions.
3929         (look_for_casts): Returns cast types.
3930         (check_call): Returns void.
3931         (okay_pointer_operation): Use support of pointer plus index,
3932         pointer plus constant and allow all multiplications.
3934 2007-03-11  Richard Guenther  <rguenther@suse.de>
3936         PR tree-optimization/31115
3937         * tree-vrp.c (extract_range_from_binary_expr): Make sure
3938         the shift count is positive and non-anti-range for RSHIFT_EXPR.
3939         A shift count of zero is not special as with *_DIV_EXPR.
3940         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
3941         direction.
3943 2007-03-11  Ian Lance Taylor  <iant@google.com>
3945         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
3946         the *_DIV_EXPR codes correctly with overflow infinities.
3948 2007-03-11  Ira Rosen  <irar@il.ibm.com>
3950         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
3951         indicate success/failure of the analysis. Add negation to subtrahend
3952         in case of subtraction. Fail if both operands contain constants.
3953         (create_data_ref): Fail if analyze_offset fails.
3955 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
3957         * config/i386/i386.md (frndintxf2): Rename to ...
3958         (rintxf2): ... this. Remove expander having same name.
3959         (rintsf2, rintdf2): Implement using SSEMODEF macro.
3960         (roundsf2, rounddf2): Ditto.
3961         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
3962         (lround<mode>di2, lround<mode>si2): Ditto.
3964 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
3966         * lower-subreg.c: Include except.h.
3967         (decompose_multiword_subregs): Verify that the only control flow
3968         insns we can split are loads to multi-words pseudos.
3969         Handle breaking such blocks after splitting, instead of calling
3970         find_many_sub_basic_blocks.
3972         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
3973         on the new basic block.  Add a lengthy comment explaining why we
3974         thought this was necessary.
3975         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
3977 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
3979         PR c++/30924
3980         * tree.c (walk_type_fields): Recurse into the element type of
3981         ARRAY_TYPEs if there is a pointer set.
3983 2007-03-10  Dirk Mueller  <dmueller@suse.de>
3985         * c-common.c (warn_logical_operator): Fix condition.
3987 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
3989         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
3990         quotation mark.
3991         * config/darwin.c (machopic_select_section): Remove superfluous
3992         argument in call to categorize_decl_for_section.  Remove unused
3993         variable shlib.
3995 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
3997         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
3998         defined.
3999         * configure: Regenerate.
4001 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
4003         PR target/31101
4004         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4005         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4006         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4007         Add LABEL_NUSES to emitted label.
4008         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4009         branch probability value to emitted jump insn.
4010         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4011         Do not check life information and do not re-arrange input operands
4012         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4014 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4016         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4017         the change of decode_asm_operands.
4019 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4021         * mode-switching.c (create_pre_exit): Skip blockage insn.
4023 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
4025         * tree-pass.h (TODO_update_smt_usage): Remove.
4026         Update all users.
4027         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4028         argument SOME.
4029         Update all users.
4031 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4033         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4034         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4035         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
4036         SOM target.
4038 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
4040         * gcc.c: Document %{, in big comment at top.
4041         (input_suffix_matches): Remove special handling for .s and
4042         .S.
4043         (input_spec_matches): New.
4044         (handle_braces): Handle %{,.
4045         (validate_switches): ',' indicates a value which is not a switch.
4046         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4047         to detect assembler input.
4048         * config/i386/sol2.h (CPP_SPEC): Likewise.
4049         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4050         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4051         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4052         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4053         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4054         -m64 causes deployment target to default to 10.5.
4055         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4057 2007-03-09  Richard Henderson  <rth@redhat.com>
4059         PR target/26090
4060         * target.h (targetm.asm.out.reloc_rw_mask): New.
4061         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
4062         (TARGET_ASM_OUT): Use it.
4063         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
4064         * varasm.c (categorize_decl_for_section): Remove shlib argument;
4065         use the new reloc_rw_mask target hook instead.
4066         (default_section_type_flags_1): Merge into...
4067         (default_section_type_flags): ... here.
4068         (decl_readonly_section_1): Merge into...
4069         (decl_readonly_section): ... here.
4070         (default_elf_select_section_1): Merge into...
4071         (default_elf_select_section): ... here.
4072         (default_unique_section_1): Merge into...
4073         (default_unique_section): ... here.
4074         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
4075         (default_select_rtx_section): Use it.
4076         (default_elf_select_rtx_section): Likewise.
4077         * output.h: Update to match.
4078         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
4079         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
4080         (TARGET_ASM_RELOC_RW_MASK): New.
4081         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
4082         to categorize_decl_for_section.
4083         (x86_64_elf_unique_section): Likewise.
4084         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
4085         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
4086         (TARGET_ASM_RELOC_RW_MASK): New.
4087         * config/ia64/ia64.c (ia64_rwreloc_select_section,
4088         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
4089         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
4090         (TARGET_RWRELOC): Remove.
4091         (ia64_section_type_flags): Adjust call to default_section_type_flags.
4092         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4093         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
4094         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
4095         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
4096         (rs6000_xcoff_select_section): Use decl_readonly_section.
4097         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
4098         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4099         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
4100         (TARGET_SECTION_TYPE_FLAGS): Remove.
4101         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
4103 2007-03-09  Roger Sayle  <roger@eyesopen.com>
4105         * fold-const.c (fold_comparison): Remove compile-time evaluation of
4106         complex constant equality/inequality comparisons for here.
4107         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
4108         known at compile-time or can be simplified to a scalar comparison.
4109         (fold_relational_const): Move compile-time evaluation of complex
4110         constant equality/inequality comparisons to here.
4112 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4114         PR rtl-optimization/30643
4115         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
4116         dest_addr_elt.
4117         (fold_rtx): Recurse, like before 2006-11-03.
4119 2007-03-09  DJ Delorie  <dj@redhat.com>
4121         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
4122         m32c-pragma.o.
4124 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
4126         PR tree-optimization/30375
4127         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
4128         LHS of statements is not the same.
4129         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
4131 2007-03-09  Chao-ying Fu  <fu@mips.com>
4133         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
4134         REV 2.
4135         * doc/invoke.texi (-mdspr2): Document new option.
4136         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
4137         New unspec for DSP REV 2.
4138         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
4139         these instructions are extended in DSP REV 2.
4140         (mips-dspr2.md): Include.
4141         * config/mips/mips.opt (mdspr2): New option.
4142         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
4143         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
4144         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
4145         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
4146         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
4147         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
4148         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
4149         and 2 builtins.
4150         (bdesc_map): Add one field of unsupported_target_flags.
4151         (bdesc_arrays):  Update entries to have extra fields.  Add
4152         dsp_32only_bdesc.
4153         (mips_init_builtins): Initialize new function types.
4154         Check unsupported_target_fileds to filter out builtins.
4155         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
4156         TARGET_DSPR2.
4157         (ASM_SPEC): Pass mdspr2 to the assembler.
4158         * config/mips/mips-dspr2.md: New file.
4160 2007-03-09  Sa Liu  <saliu@de.ibm.com>
4162         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
4164 2007-03-09  Ian Lance Taylor  <iant@google.com>
4166         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
4167         argument) like -Wstrict-overflow=2.
4168         * doc/invoke.texi (Warning Options): Update documentation.
4170 2007-03-09  Dirk Mueller  <dmueller@suse.de>
4172         PR c++/17946
4173         * doc/invoke.texi (-Wlogical-op): Document.
4174         * common.opt (-Wlogical-op): New.
4175         * c-common.h (warn_logical_operator): Declare.
4176         * c-common.c (warn_logical_operator): Define.
4177         * c-typeck.c (parser_build_binary_op): Call
4178         warn_logical_operator.
4180 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4182         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
4183         * final.c (final_scan_insn): Test for non-"" file name.
4185 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
4187         * doc/loop.texi: Document the Omega linear constraints solver.
4188         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
4189         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
4190         omega-hash-table-size, omega-max-keys, and
4191         omega-eliminate-redundant-constraints.
4192         * tree-pass.h (pass_check_data_deps): Declared.
4193         * omega.c: New.
4194         * omega.h: New.
4195         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
4196         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
4197         pass_check_data_deps): New.
4198         * tree-data-ref.c (init_data_ref): Remove declaration.
4199         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
4200         (analyze_array): Renamed init_array_ref, move up initializations.
4201         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
4202         Removed arguments that are set to NULL.
4203         (analyze_indirect_ref): Correct indentation, correct call to
4204         init_pointer_ref.
4205         (object_analysis): Call init_array_ref instead of analyze_array.
4206         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
4207         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
4208         of DR_ACCESS_FNS_ADDR.
4209         (init_omega_eq_with_af, omega_extract_distance_vectors,
4210         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
4211         ddr_consistent_p): New.
4212         (compute_affine_dependence): Check consistency of ddrs when
4213         flag_check_data_deps is passed.
4214         (analyze_all_data_dependences): Uncomment.
4215         (tree_check_data_deps): New.
4216         * tree-data-ref.h: Include omega.h.
4217         (DR_ACCESS_FNS_ADDR): Removed.
4218         (data_dependence_relation): Add inner_loop.
4219         (DDR_INNER_LOOP): New.
4220         * common.opt (fcheck-data-deps): New.
4221         * tree-flow.h (tree_check_data_deps): Declare.
4222         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
4223         (OBJS-common): Depend on omega.o.
4224         (omega.o): Define.
4225         * passes.c (pass_check_data_deps): Scheduled.
4226         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
4227         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
4228         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
4229         PARAM_VECT_MAX_VERSION_CHECKS,
4230         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
4232 2007-03-09  Richard Guenther  <rguenther@suse.de>
4234         PR tree-optimization/30904
4235         PR middle-end/31058
4236         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
4237         the same way as *_DIV_EXPR.
4239 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4241         * recog.c (decode_asm_operands): No mixed declarations and code.
4243 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4245         * rtl.def (ASM_INPUT): Add location.
4246         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
4247         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
4248         (decode_asm_operands): Add loc operand.
4249         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
4250         * stmt.c (expand_asm): Rename to...
4251         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
4252         gen_rtx_ASM_INPUT_loc.
4253         (expand_asm_expr): Adjust.
4254         * recog.c (decode_asm_operands): Add loc operand.
4255         (check_asm_operands, extract_insn): Adjust.
4256         * reload1.c (maybe_fix_stack_asms): Likewise.
4257         * final.c (asm_insn_count): Likewise.
4258         (final_scan_insn): Output # line before and after asm.
4260 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
4262         * tree-ssa-structalias.c (variable_info): Remove
4263         finished_solution.
4264         (new_var_info): Ditto.
4265         (shared_bitmap_info_t): New structure.
4266         (shared_bitmap_table): New variable.
4267         (shared_bitmap_hash): New function.
4268         (shared_bitmap_eq): Ditto
4269         (shared_bitmap_lookup): Ditto.
4270         (shared_bitmap_add): Ditto.
4271         (merge_smts_into): Change to take bitmap directly.
4272         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
4273         (init_alias_vars): Init shared bitmap hashtable.
4274         (delete_points_to_sets): Delete shared bitmap hashtable.
4275         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
4276         is_aliased removal as a change that was still necessary was
4277         deleted.
4279 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
4281         * config/i386/i386.h (override_options): Conditionally disable
4282         x86_sahf for 64bit targets only.
4284 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4286         PR C/31072
4287         * c-decl.c (merge_decls): Don't call make_var_volatile.
4288         * varasm.c (make_var_volatile): Remove.
4289         * output.h (make_var_volatile): Remove.
4291 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
4293         PR tree-optimization/31085
4294         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
4296 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4298         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
4299         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
4300         ATTR_CONST_NOTHROW_LIST.
4302         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4303         FIX_TRUNC_EXPR.
4305 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
4307         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
4309 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
4311         PR 31013
4312         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
4313         is declared.
4314         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
4315         passed, use shared libgcc.
4317 2007-03-08  Roger Sayle  <roger@eyesopen.com>
4319         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
4320         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4321         (honor_protect_cleanup_actions, lower_try_finally_switch):
4322         Likewise.
4323         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
4324         ifc_temp_var): Likewise.
4325         * tree-inline.c (setup_one_parameter): Likewise.
4326         * tree-mudflap.c (mf_decl_cache_locals,
4327         mf_build_check_statement_for): Likewise.
4328         * tree-nested.c (init_tmp_var, save_tmp_var,
4329         finalize_nesting_tree_1): Likewise.
4330         * tree-outof-ssa.c (insert_copy_on_edge,
4331         insert_backedge_copies): Likewise.
4332         * tree-profile.c (tree_gen_edge_profiler,
4333         tree_gen_ic_profiler): Likewise.
4334         * tree-scalar-evolution.c (scev_const_prop): Likewise.
4335         * tree-sra.c (sra_build_assignment): Likewise.
4336         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
4337         * tree-ssa-math-opts.c (insert_reciprocals,
4338         execute_cse_sincos_1): Likewise.
4339         * tree-tailcall.c (adjust_accumulator_values,
4340         adjust_return_value): Likewise.
4341         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
4342         * tree-vect-transform.c (vect_create_data_ref_ptr,
4343         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
4344         vect_create_epilog_for_reduction, vectorizable_reduction,
4345         vectorizable_call, vectorizable_conversion,
4346         vectorizable_assignment, vectorizable_operation,
4347         vectorizable_type_demotion, vect_gen_widened_results_half,
4348         vect_permute_store_chain, vectorizable_store,
4349         vect_setup_realignment, vect_permute_load_chain,
4350         vectorizable_load, vectorizable_condition,
4351         vect_create_cond_for_align_checks): Likewise.
4352         * tree-vrp.c (build_assert_expr_for): Likewise.
4354 2007-03-08  Ian Lance Taylor  <iant@google.com>
4356         * tree-vrp.c: Include "intl.h".
4357         (usable_range_p): New static function.
4358         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
4359         overflowed values, juts set *strict_overflow_p.
4360         (compare_values): Only return -2 if one of the operands is not a
4361         constant.
4362         (compare_ranges): Call usable_range_p.
4363         (compare_range_with_value): Likewise.
4364         (vrp_evaluate_conditional_warnv): Rename from
4365         vrp_evaluate_conditional.  Make static.  Change all callers.
4366         (vrp_evaluate_conditional): New function.
4367         (simplify_div_or_mod_using_ranges): Issue warning about reliance
4368         on signed overflow.
4369         (simplify_abs_using_ranges): Likewise.
4370         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
4371         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
4372         within_stmt parameter.
4373         * tree-ssa-propagate.c (fold_predicate_in): Update call to
4374         vrp_evaluate_conditional.
4375         * tree-ssa-threadedge.c
4376         (record_temporary_equivalences_from_stmts_at_dest): Change
4377         simplify parameter to take a second tree parameter.
4378         (simplify_control_stmt_condition): Likewise.
4379         (thread_across_edge): Likewise.
4380         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4381         (thread_across_edge): Likewise.
4382         * Makefile.in (tree-vrp.o): Depend upon intl.h.
4384 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
4386         * config/i386/i386.h (TARGET_SAHF): New define.
4387         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
4388         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
4389         (x86_sahf): New global variable.
4390         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
4391         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
4392         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
4393         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
4394         for 64-bit.
4395         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
4396         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
4397         when expanding fcomi/sahf based tests.
4398         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
4399         expanding sahf based alternative. Emit sahf based sequence when
4400         optimizing for code size.
4401         * config/i386/i386.md (x86_sahf_1): Do not disable for
4402         TARGET_64BIT, enable for TARGET_SAHF.
4404 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
4406         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
4407         spurious whitespace from error message.
4409 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
4411         PR c++/30852
4412         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
4414 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
4416         * c-decl.c (grokdeclarator): Disable warnings for anonymous
4417         bitfields.
4418         * tree-sra.c (instantiate_element): Propagate disabled warnings
4419         from the element itself to the created variable.
4421 2007-03-07  Richard Henderson  <rth@redhat.com>
4423         PR target/30848
4424         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
4425         silently fix up the stack in the case of a missing register.
4427 2007-03-07  Paul Brook  <paul@codesourcery.com>
4429         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
4431 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
4433         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
4434         New.
4435         (phase1_vrs): Use them.
4436         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
4437         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
4438         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
4439         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
4440         __gnu_Unwind_Restore_WMMXC if required.
4441         (_Unwind_VRS_Pop): Implement iWMMXt support.
4442         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
4443         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
4444         gnu_Unwind_Save_WMMXC): Define.
4446 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4448         * config/vxworks.h (vxworks_override_options): Declare.
4449         (VXWORKS_OVERRIDE_OPTIONS): Use it.
4450         * config/vxworks.c: Include target.h and toplev.h.
4451         (vxworks_override_options): New function.
4452         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
4454 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4456         * config/s390/s390.c (override_options): Don't emit an error when
4457         -mstack-size is used without providing -mstack-guard.
4458         (s390_emit_prologue): Choose stack_guard value automatically if not
4459         provided via command line.
4460         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
4462 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4464         * config/i386/i386.c (output_set_got): Add a GOT initialization
4465         sequence for VxWorks PIC.
4466         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
4467         around labels as well as symbols.  Use gotoff_operand instead
4468         of local_symbolic_operand.
4469         (legitimize_pic_address): Use gotoff_operand instead of
4470         local_symbolic_operand.  Use @GOT accesses for labels as
4471         well as symbols.
4472         (ix86_output_addr_diff_elt): Use PC-relative rather than
4473         GP-relative offsets for VxWorks PIC.
4474         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
4475         no_new_pseudos.  Check whether the returned register is op0.
4476         * config/i386/i386.md (tablejump): Use PC-relative rather than
4477         GP-relative offsets for VxWorks PIC.
4478         * config/i386/predicates.md (gotoff_operand): New predicate.
4480 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4482         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
4483         before defining.
4484         * config/vxworks-dummy.h: New file.
4485         * config/i386/i386.h: Include it.
4487 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
4489         * dwarf2out.c (is_inlined_entry_point): New
4490         (add_high_low_attributes): Emit DW_AT_entry_pc along with
4491         DW_AT_ranges if the first subblock is the entry point.
4493 2007-03-06  David Daney  <ddaney@avtrex.com>
4495         * doc/install.texi (mips-*-*): Change recommended binutils
4496         version.
4498 2007-03-06  Anatoly Sokolov <aesok@post.ru>
4500         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
4501         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
4502         devices.
4503         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4504         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4506 2007-03-06  Jan Hubicka  <jh@suse.cz>
4508         * errors.h (warning, error, fatal, internal_error): Mark as cold.
4509         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
4510         are hot.
4511         (probably_cold_bb_p): Cold functions are cold.
4512         (probably_never_executed_bb_p): Cold functions are cold.
4513         (tree_bb_level_predictions): Predict calls to cold functions as not
4514         taken.
4515         (compute_function_frequency): Check hot/cold attributes.
4516         * function.h (function_frequency): Update comments.
4517         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
4518         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
4519         (c_common_att): Add cold and hot.
4521         * doc/extend.texi (hot,cold attributes): Document.
4523 2007-03-06  Andrew Haley  <aph@redhat.com>
4525         * function.c (expand_function_end): Move blockage to just after we
4526         emit the label for the naked return from the function.
4528 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4530         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
4531         before redefining.
4533 2007-03-06  Jan Hubicka  <jh@suse.cz>
4535         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
4536         loaded for constant large models.  Non-large 64bit PIC can do.
4537         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
4538         * cmodel.h: Add LARGE PIC.
4539         * i386.md (UNSPEC_PLTOFF): New.
4540         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
4541         needed.
4542         (*call_1_rex64): Disable for large models.
4543         (*call_1_rex64_large): New.
4544         (*call_value_1_rex64): Disable for large models.
4545         (*call_value_1_rex64_large): New.
4546         (set_rip_rex4): New.
4547         (set_got_offset_rex64): New.
4548         * predicates.md (constant_call_address_operand): For large model
4549         constant calls are not possible.
4550         * i386-protos.h (construct_plt_address): Declare.
4551         * i386.c (override_options): Accept large models.
4552         (ix86_expand_prologue): Expand large PIC GOT pointer load.
4553         (legitimate_constant_p): Add new UNSPECs.
4554         (legitimate_pic_operand_p): Likewise.
4555         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
4556         (legitimize_pic_address): Do easy RIP relative way for TLS only for
4557         non-large model.
4558         (output_pic_addr_const): Add PLTOFF.
4559         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
4560         (ix86_expand_move): Legitimize pic address when in PIC mode.
4561         (construct_plt_address): New function.
4562         (ix86_expand_call): Offload the address to register and use GOT pointer
4563         for large model.
4564         * invoke.texi (mcmodel=large): Update documentation.
4566 2007-03-06  Richard Henderson  <rth@redhat.com>
4568         * config/i386/i386.c (x86_use_leave, x86_push_memory,
4569         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
4570         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
4571         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
4572         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
4573         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
4574         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
4575         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
4576         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
4577         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4578         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4579         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
4580         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4581         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4582         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
4583         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
4584         x86_schedule, x86_use_bt, x86_pad_returns,
4585         x86_use_xchgb): Merge into ...
4586         (ix86_tune_features): ... here.  New array.
4587         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4588         x86_bswap): Merge into ...
4589         (ix86_arch_features): ... here.  New array.
4590         (x86_3dnow_a): Remove.
4591         (x86_accumulate_outgoing_args): Make static.
4592         (x86_arch_always_fancy_math_387): Make static.
4593         (ix86_tune_mask, ix86_arch_mask): Move ...
4594         (override_options): ... to local variables here.  Apply the
4595         appropriate mask to each element of ix86_arch_features and
4596         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
4597         as were done in the old macros.
4598         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
4599         * config/i386/i386.h (x86_use_leave, x86_push_memory,
4600         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
4601         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
4602         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
4603         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
4604         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
4605         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
4606         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
4607         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
4608         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
4609         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4610         x86_accumulate_outgoing_args, x86_prologue_using_move,
4611         x86_epilogue_using_move, x86_decompose_lea,
4612         x86_arch_always_fancy_math_387, x86_shift1,
4613         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4614         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4615         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
4616         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4617         x86_use_incdec, x86_pad_returns, x86_bswap,
4618         x86_partial_flag_reg_stall): Remove.
4619         (enum ix86_tune_indices): New.
4620         (ix86_tune_features): New.
4621         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
4622         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
4623         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
4624         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
4625         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
4626         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
4627         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
4628         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
4629         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
4630         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
4631         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
4632         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
4633         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
4634         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
4635         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
4636         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
4637         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
4638         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
4639         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
4640         TARGET_EXT_80387_CONSTANTS): Use it.
4641         (enum ix86_arch_indices): New.
4642         (ix86_arch_features): New.
4643         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
4644         TARGET_BSWAP): Use it.
4645         (ix86_tune_mask, ix86_arch_mask): Remove.
4647 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
4649         PR bootstrap/31020
4650         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
4651         Define using $${sysroot_headers_suffix}.
4652         * configure: Regenerate.
4653         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
4654         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
4655         defined.
4656         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
4657         * gcc.c (print_sysroot_headers_suffix): New.
4658         (option_map): Include --print-sysroot-headers-suffix.
4659         (display_help): Mention -print-sysroot-headers-suffix.
4660         (process_command): Handle -print-sysroot-headers-suffix.
4661         (do_spec_1): Append multilib directory to include-fixed path if
4662         sysroot suffixes in use.
4663         (main): Handle -print-sysroot-headers-suffix.
4664         * Makefile.in (start.encap): Don't depend on xlimits.h
4665         (xlimits.h): Remove.
4666         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
4667         limits.h for each multilib in fixinc_list.
4668         (fixinc_list, s-fixinc_list): New.
4669         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
4670         generate them for each multilib in fixinc_list.
4671         (stmp-fixproto): Use include-fixed.  Run fixproto for each
4672         multilib in fixinc_list.
4673         (mostlyclean): Don't remove xlimits.h.
4674         (clean): Remove include-fixed.
4675         (real-install-headers-tar, real-install-headers-cpio,
4676         real-install-headers-cp): Don't copy include, only include-fixed.
4677         (install-mkheaders): Depend on fixinc_list.  Don't depend on
4678         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
4679         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
4680         SYSTEM_HEADER_DIR setting in mkheaders.conf.
4682 2007-03-06  Jan Hubicka  <jh@suse.cz>
4684         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
4685         NANs easilly.
4687 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4689         * configure.ac: Allow tm_file to contain build-directory files.
4690         * configure: Regenerate.
4691         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
4692         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
4693         * config/m68k/print-sysroot-suffix.sh: New file.
4695 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4697         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
4698         of pic_offset_table_rtx if reload_completed.
4699         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
4700         PIC_OFFSET_TABLE_REGNUM.
4701         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
4702         return true.
4703         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
4704         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
4706 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4708         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4709         functions that call eh_return.
4711 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4713         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4714         functions that need a constant pool.
4716 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4718         PR target/28181
4719         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
4720         (m68k_preferred_reload_class): Likewise.
4721         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
4722         (SECONDARY_RELOAD_CLASS): Define.
4723         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
4724         (LIMIT_RELOAD_CLASS): Delete.
4725         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
4726         registers from storing bytes.
4727         (m68k_secondary_reload_class): New function.
4728         (m68k_preferred_reload_class): Likewise.
4730 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4732         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
4733         leaf functions.
4734         (m68k_expand_prologue): Likewise.
4736 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4738         * config/m68k/m68k-protos.h (output_sibcall): Declare.
4739         (mips_expand_epilogue): Add a bool parameter.
4740         (m68k_legitimize_sibcall_address): Declare.
4741         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
4742         (m68k_expand_epilogue): Add a parameter to select between sibling
4743         and normal epilogues.  Only generate a return for the latter.
4744         (m68k_ok_for_sibcall_p): New function.
4745         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
4746         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
4747         (sibcall_value, *sibcall_value): Likewise.
4748         (*call, *call_value): Require !SIBLING_CALL_P.
4749         (epilogue): Update call to m68k_expand_epilogue.
4750         (sibcall_epilogue): New pattern.
4751         * config/m68k/predicates.md (const_call_operand): Say that this
4752         predicate applies to sibling calls too.
4753         (sibcall_operand): New predicate.
4755 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4757         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
4758         alternatives as movsi_cf.
4759         (movsf_cf_hard): Add commentary.
4761 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
4762             Richard Sandiford  <richard@codesourcery.com>
4764         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
4765         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
4766         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
4767         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
4768         as being live on exit from an interrupt function.
4769         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
4770         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
4771         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
4772         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
4773         (m68k_interrupt_function_p): Globalize.
4774         (m68k_compute_frame_layout): Remove reverse mask code.
4775         (m68k_emit_movem, m68k_set_frame_related): New functions.
4776         (m68k_output_function_prologue): Delete in favor of...
4777         (m68k_expand_prologue): ...this new function.
4778         (m68k_output_function_epilogue): Delete in favor of...
4779         (m68k_expand_epilogue): ...this new function.
4780         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
4781         functions.
4782         (print_operand): Handle %?.
4783         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
4784         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
4785         (prologue, epilogue): New patterns.
4786         (return): Turn into a define_expand.
4787         (*return): New pattern, derived from old "return" pattern.  Use rte
4788         rather than rts for interrupt functions.  Only use rtd if the pop
4789         count is nonzero.
4790         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
4791         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
4792         (link, *link, unlink, *unlink, load_got): Likewise.
4794 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4796         PR target/23482
4797         PR target/17114
4798         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
4799         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
4800         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
4801         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
4802         and m68k_matches_u_p.
4803         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
4804         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
4805         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
4806         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
4807         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
4808         (REG_STRICT_P): New macro.
4809         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
4810         PCREL_GENERAL_OPERAND_OK.
4811         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
4812         m68k_legitimate_base_reg_p.
4813         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
4814         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
4815         (PIC_CASE_VECTOR_ADDRESS): Update comment.
4816         * config/m68k/m68k.c (m68k_address): New structure.
4817         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
4818         (m68k_decompose_index, m68k_legitimate_constant_address_p)
4819         (m68k_jump_table_ref_p, m68k_decompose_address)
4820         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
4821         (m68k_matches_u_p): New functions.
4822         (print_operand_address): Rewrite to use m68k_decompose_index.
4824 2007-03-05  David Taylor  <dtaylor@emc.com>
4826         * gcc.c: Correct copyright date in --version output.
4828 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4830         * pa.md: In unamed move patterns, disparge copies between general
4831         and floating point registers using '?' modifier.  Don't include 'f'
4832         constraint for register preferences in DImode, SImode, HImode and
4833         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
4834         Remove constraints for copies between general and floating registers
4835         in soft-float DFmode pattern.
4836         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
4837         floating register.
4838         (movsf): Likewise.
4840 2007-03-05  Mike Stump  <mrs@apple.com>
4842         * c-common.c (targetcm): Add.
4843         * c-opts.c (c_common_handle_option): Handle language specific
4844         target options.
4845         * opts.c (handle_option): Verify language for target options, if
4846         any are given.
4847         * opth-gen.awk: Add CL_LANG_ALL.
4848         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
4849         (TARGETCM_INITIALIZER): Add.
4850         * target.h (struct gcc_targetcm): Add.
4851         (targetcm): Add.
4852         * targhooks.c (default_handle_c_option): Add.
4853         * targhooks.h (default_handle_c_option): Add.
4854         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
4856         * config/darwin.opt (iframework): Add.
4857         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
4858         * config/darwin-c.c (handle_c_option): Add.
4859         (TARGET_HANDLE_C_OPTION): Add.
4860         (targetcm): Add.
4861         * doc/invoke.texi (Darwin Options): Add -iframework.
4863 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4865         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
4866         conversion.
4868 2007-03-05  Ian Lance Taylor  <iant@google.com>
4870         * c.opt (fgnu89-inline): New option.
4871         * c-opts.c (c_common_post_options): Set default value for
4872         flag_gnu89_inline.
4873         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
4874         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
4875         inline functions.
4876         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
4877         (grokdeclarator, start_function): Likewise.
4878         * c-cppbuiltin.c (c_cpp_builtins): Define either
4879         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
4880         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
4881         (C Dialect Options): Document -fgnu89-inline.
4882         * doc/extend.texi (Function Attributes): Explain what the
4883         gnu_inline attribute does.
4884         * doc/cpp.texi (Common Predefined Macros): Document
4885         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
4887 2007-03-05  Ian Lance Taylor  <iant@google.com>
4889         PR tree-optimization/31034
4890         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
4891         half-range if the other side is an overflow infinity.
4893 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4895         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
4896         (bfin*-linux-uclibc*): New configuration.
4897         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
4898         defining.
4899         * config/bfin/linux.h: New file.
4900         * config/bfin/libgcc-bfin.ver: New file.
4901         * config/bfin/t-bfin-uclinux: New file.
4902         * config/bfin/t-bfin-linux: New file.
4903         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
4904         (TARGET_OS_CPP_BUILTINS): New macro.
4906 2007-03-05  Richard Guenther  <rguenther@suse.de>
4908         * fold-const.c (fold_binary): Remove duplicate folding
4909         of comparison of non-null ADDR_EXPR against null.
4911 2007-03-05  Richard Guenther  <rguenther@suse.de>
4912             Dorit Nuzman  <dorit@il.ibm.com>
4914         PR tree-optimization/26420
4915         * tree-vectorizer.c (vectorize_loops): Bail out early if there
4916         are no loops in the function.  Only print the number of
4917         vectorized loops if it is greater than zero or we are supposed
4918         to print information about unvectorized loops.
4920 2007-03-05  Revital Eres  <eres@il.ibm.com>
4922         * gcc.dg/var-expand1.c: New test.
4923         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
4924         when an accumulator is expanded.
4926 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4928         PR other/30465
4929         * c-common.c (convert_and_check): Don't give warnings for
4930         conversion if 'expr' already overflowed.
4932 2007-03-04  Roger Sayle  <roger@eyesopen.com>
4934         PR middle-end/30744
4935         * fold-const.c (fold_comparison): Enforce type consistency when
4936         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
4938 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
4940         * tree-ssa-address.c (create_mem_ref): Do not put an expression
4941         containing a cast to the base of TARGET_MEM_REF.
4943 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
4945         * tree.c (tree_contains_struct_check_failed): Remove spurious
4946         whitespace from error message.
4948 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
4950         PR target/30406
4951         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
4952         instead of precision.
4954 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
4955             Nathan Sidwell  <nathan@codesourcery.com>
4957         * emit-rtl.c (find_auto_inc): New.
4958         (try_split): recreate REG_INC notes,
4959         Use regular for loops rather than whiles.
4961 2007-03-03  Andreas Schwab  <schwab@suse.de>
4963         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
4964         * configure: Regenerate.
4966 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4968         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
4969         flag_rounding_math, not flag_unsafe_math_optimizations.
4971         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
4972         fold_build2.
4973         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
4974         alpha_fold_vector_minmax): Likewise.
4975         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
4976         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
4978 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
4980         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
4981         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
4982         if the lhs has side-effects.
4983         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
4985 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4987         * config/i386/i386.h (TUNEMASK): Remove define.
4988         (ARCHMASK): Remove define.
4989         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
4990          Use ix86_arch_mask variable instead of ARCHMASK.
4991         * config/i386/i386.c (override_options): Ditto.
4992         (standard_80387_constant_p): Ditto.
4994 2007-03-02  Ian Lance Taylor  <iant@google.com>
4996         Used signed infinities in VRP.
4997         * tree-vrp.c (uses_overflow_infinity): New static function.
4998         (supports_overflow_infinity): New static function.
4999         (make_overflow_infinity): New static function.
5000         (negative_overflow_infinity): New static function.
5001         (positive_overflow_infinity): New static function.
5002         (is_negative_overflow_infinity): New static function.
5003         (is_positive_overflow_infinity): New static function.
5004         (is_overflow_infinity): New static function.
5005         (overflow_infinity_range_p): New static function.
5006         (compare_values_warnv): New function split out of compare_values.
5007         (compare_value): Call it.
5008         (set_value_range_to_nonnegative): Add overflow_infinity
5009         parameter.  Change caller.
5010         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5011         Change callers.
5012         (vrp_expr_computes_nonzero): Likewise.
5013         (compare_ranges, compare_range_with_value): Likewise.
5014         (compare_name_with_value, compare_names): Likewise.
5015         (vrp_evaluate_conditional): Likewise.
5016         (set_value_range): Handle infinity
5017         (vrp_operand_equal_p, operand_less_p): Likewise.
5018         (extract_range_from_assert): Likewise.
5019         (vrp_int_const_binop): Likewise.
5020         (extract_range_from_binary_expr): Likewise.
5021         (extract_range_from_unary_expr): Likewise.
5022         (extract_range_from_comparison): Likewise.
5023         (extract_range_from_expr): Likewise.
5024         (dump_value_range): Likewise.
5025         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5026         (test_for_singularity): Likewise.
5027         (vrp_int_const_binop): Remove inline qualifier.
5028         (adjust_range_with_scev): Add comment.
5029         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5031 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
5033         * tree-ssa-structalias.c (could_have_pointers): Tidy.
5034         (get_constraint_for): Likewise.
5035         (do_structure_copy): Likewise.
5036         (find_func_aliases): Fix references to MODIFY_EXPR.
5037         (intra_create_variable_infos): Tidy.
5038         * tree-ssa-operands.c (add_virtual_operand): Add argument
5039         IS_CALL_SITE.
5040         When adding members of alias sets, if IS_CALL_SITE is true and
5041         the symbol is not call-clobbered, skip it.
5042         Adjust all callers.
5044 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5046         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5047         entry by means of emit_insn_at_entry.
5049 2007-03-02  Richard Henderson  <rth@redhat.com>
5051         * expr.h (promoted_input_arg): Remove decl.
5052         * function.c (promoted_input_arg): Merge into ...
5053         * combine.c (setup_incoming_promotions): ... only caller.
5054         Rearrange to avoid double loop.
5056 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5057             Peter Bergner  <bergner@vnet.ibm.com>
5058             Janis Johnson  <janis187@us.ibm.com>
5060         * config/rs6000/dfp.md: New file.
5061         * config/rs6000/rs6000.md: Include dfp.md.
5062         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
5063         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
5064         and TDmode decimal float modes in FP registers.
5065         (num_insns_constant): Likewise.
5066         (rs6000_legitimate_offset_address_p): Likewise.
5067         (rs6000_legitimize_address): Likewise.
5068         (rs6000_legitimize_reload_address): Likewise.
5069         (rs6000_legitimate_address): Likewise.
5070         (rs6000_emit_move): Likewise.
5071         (function_arg_boundary): Likewise.
5072         (function_arg_advance): Likewise.
5073         (rs6000_darwin64_record_arg_recurse): Likewise.
5074         (function_arg): Likewise.
5075         (rs6000_gimplify_va_arg): Likewise.
5076         (rs6000_split_multireg_move): Likewise.
5077         (rs6000_output_function_epilogue): Likewise.
5078         (rs6000_output_function_epilogue): Likewise.
5079         (rs6000_register_move_cost): Likewise.
5080         (rs6000_function_value): Likewise.
5081         (rs6000_libcall_value): Likewise.
5083 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5085         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
5087 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5089         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
5090         Use $MULTIDIR to choose between the kernel and RTP headers,
5091         and use $WIND_BASE and $WIND_USR to locate them.
5093 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5095         * config/i386/i386.c (override_options): Put initialization of
5096         ix86_tune_mask and ix86_arch_mask to the correct place.
5098 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5099             Michael Meissner  <michael.meissner@amd.com>
5101         PR target/31019
5102         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
5103         (ARCHMASK): Define.
5104         (TARGET_CMOVE): Use ARCHMASK.
5105         (TARGET_CMPXCHG): Ditto.
5106         (TARGET_CMPXCHG8B): Ditto.
5107         (TARGET_XADD): Ditto.
5108         (TARGET_BSWAP): Ditto.
5109         * config/i386/i386.c (ix86_tune_mask): New global variable.
5110         (ix86_arch_mask): Ditto.
5111         (override_options): Initialize ix86_tune_mask and
5112         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
5113         target_flags.
5115 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5117         PR 30992
5118         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
5120 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
5122         * target.h (init_dwarf_reg_sizes_extra): New target hook.
5123         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
5124         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
5125         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
5126         hook.
5127         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
5128         rs6000_init_dwarf_reg_sizes_extra): New.
5129         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
5130         SPE register high parts.
5132 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
5134         * Makefile.in: Add install-pdf target as
5135         copied from automake v1.10 rules.
5136         * configure.ac: Add install-pdf to target list.
5137         * configure: Regenerate.
5139 2007-03-01  Paul Brook  <paul@codesourcery.com>
5141         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
5142         modes to LDRD for DImode.
5143         (output_move_double): Fixup out of range ldrd/strd.
5144         (vfp_secondary_reload_class): Rename...
5145         (coproc_secondary_reload_class): ... to this.  Add wb argument.
5146         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
5147         coproc_secondary_reload_class for CLASS_IWMMXT.
5148         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
5149         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
5151 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
5153         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
5154         factor by the estimated number of iterations.
5155         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
5156         prefetch latency.
5158         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
5159         decode_caches_intel, detect_caches_intel): New functions.
5160         (host_detect_local_cpu): Use detect_caches_amd and
5161         detect_caches_intel.
5163 2007-03-01  Richard Henderson  <rth@redhat.com>
5165         * expr.c (emit_move_complex_push): Export.
5166         (emit_move_complex_parts): Split out from ...
5167         (emit_move_complex): ... here.
5168         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
5169         * config/i386/i386.md (movcdi): New.
5171 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
5173         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
5174         size of mode1 to check for tieable modes in MMX case.
5176 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
5178         * Makefile.in (rtlanal.o): Depend on tree.h.
5179         * rtl.h (offset_within_section_p, split_const): Declare.
5180         * rtlanal.c: Include tree.h.
5181         (offset_within_block_p): New function, taken from
5182         mips_offset_within_object_p.
5183         (split_const): New function, taken from mips_split_const.
5184         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
5185         Declare.
5186         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
5187         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
5188         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
5189         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5190         (m68k_illegitimate_symbolic_constant_p): New function.
5191         * config/m68k/m68k.md (movsi): Remove misleading predicates.
5192         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
5193         symbolic constant that might be outside the symbol's section,
5194         move the symbol first and then add the offset.
5195         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
5196         Override.
5197         * config/mips/mips.c (mips_split_const): Delete.
5198         (mips_offset_within_object_p): Delete.
5199         (mips_symbolic_constant_p): Use offset_within_section_p and
5200         split_const instead of mips_offset_within_object_p and
5201         mips_split_const.
5202         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
5203         (mips_legitimize_const_move, print_operand_reloc)
5204         (mips_dangerous_for_la25_p): Use split_const instead of
5205         mips_split_const.
5207 2007-02-28  Eric Christopher  <echristo@apple.com>
5209         * Makefile.in (install-include-dir): Don't rm -rf include.
5211 2007-02-28  Richard Guenther  <rguenther@suse.de>
5213         PR middle-end/30364
5214         * fold-const.c (fold_binary): Do not associate expressions
5215         with more than one variable for integer types that do not wrap.
5217 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
5219         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
5220         Delete, and replace with...
5221         (fold_builtin_call_array): This.  Update callers to use it.
5222         * fold-const.c (fold_build_call_list): Delete, and replace with...
5223         (fold_build_call_array): This.
5224         (fold_build_call_list_initializer): Delete, and replace with...
5225         (fold_build_call_array_initializer): This.
5226         * tree.h: Update declarations to reflect above changes.
5228         * c-typeck.c (build_function_call): Store converted arguments
5229         in a stack-allocated array instead of building a list.
5230         (convert_arguments): Store arguments in the array passed in as an
5231         argument, and return the actual number of arguments.
5232         * c-format.c: (check_function_format): Pass arguments in an
5233         array instead of a list.
5234         * c-common.c (check_function_nonnull): Likewise.
5235         (check_function_sentinel): Likewise.
5236         (check_function_arguments): Likewise.
5237         * c-common.h: Update declarations to reflect above changes.
5239 2007-02-28  Jan Hubicka  <jh@suse.cz>
5241         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
5242         PRED_NEGATIVE_RETURN): Update outcomes.
5244 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
5246         * calls.c (emit_library_call_value_1): Handle partial registers
5247         correctly when building up CALL_INSN_FUNCTION_USAGE.
5249 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5251         * pa/predicates.md (move_src_operand): Allow zero for mode.
5252         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
5253         move pattern.
5255 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
5257         PR target/30970
5258         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
5259         *movv2df_internal): Enable pattern only for valid operand
5260         combinations.
5261         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
5262         tie only 128bit modes. For MMX registers, tie only 64bit modes.
5264 2007-02-27  Mike Stump  <mrs@apple.com>
5266         * config/darwin-crt3.c: Avoid compilation when compiling for a
5267         kext multilib.
5269 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
5271         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
5272         FIXED_INCLUDE_DIR.
5273         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
5274         for fixed headers and limits.h.
5275         (install-include-dir, install-headers-tar, install-headers-cpio,
5276         install-headers-cp, real-install-headers-tar,
5277         real-install-headers-cpio, real-install-headers-cp): Handle
5278         include-fixed as well as include.
5279         (install-mkheaders): Don't install files that go only in include
5280         not include-fixed.
5281         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
5282         from GCC_INCLUDE_DIR.
5283         * gcc.c (process_command): Remove special -BstageN/ handling.
5284         (do_spec_1): Add include-fixed directories.
5286 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5288         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
5289         _smulsi3_highpart.
5290         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
5291         New functions.
5292         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
5293         patterns.
5295 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
5297         * c-common.c (get_priority): Add check for
5298         SUPPORTS_INIT_PRIORITY.
5300 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5302         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5304         * config/bfin/bfin.c: Include "cfglayout.h".
5305         (MAX_LSETUP_DISTANCE): New macro.
5306         (struct loop_info): New members incoming, incoming_src and
5307         incoming_dest.  Delete member predecessor.
5308         (length_for_loop): New function.
5309         (bfin_optimize_loop): Handle more different loop structures.
5310         (bfin_discover_loop): Rework detection of predecessor blocks by
5311         examining incoming edges.
5312         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
5313         bfin_reorg_loops.
5314         (bfin_reorder_loops): New function.
5315         (bfin_reorg_loops): Use these three new functions.
5317         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
5318         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
5319         (CONSTRAINT_LEN): Add entry for 'q'.
5320         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
5321         Add 'q' constraints.
5322         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
5323         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
5325         * config/bfin/bfin.md (add_with_carry): New pattern.
5326         (s_or_u, su_optab, su_modifier): New code macros/attrs.
5327         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
5328         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
5329         support unsigned multiplies too.  Removed incorrect commutativity from
5330         operand 1 constraint where appropriate.
5331         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
5332         patterns.
5333         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
5334         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
5335         New patterns.
5336         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
5337         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
5338         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
5339         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
5340         usmulhisi_hh_huh): New patterns.
5342         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
5343         lshifthi3): Fix output template to use half reg for operand 2.
5345         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
5346         instead of R2.
5348         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
5350 2007-02-27  Andreas Schwab  <schwab@suse.de>
5352         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
5354 2007-02-27  Jan Hubicka  <jh@suse.cz>
5356         * predict.c (last_basic_block_p): Remove.
5357         (tree_estimate_probability): Update return heuristic for commonized
5358         return blocks.
5360 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5362         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
5364 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5366         * doc/include/gcc-common.texi (versionsubtitle): New macro.
5367         * doc/cpp.texi: Standardize title page.
5368         * doc/cppinternals.texi: Likewise.
5369         * doc/gcc.texi: Standardize title page, remove version number
5370         from copyright page.
5371         * doc/gccint.texi: Likewise.
5372         * doc/install.texi: Standardize title page, add table of
5373         contents.
5375 2007-02-26  Jan Hubicka  <jh@suse.cz>
5377         * predict.def: Set outcomes according to more recent results.
5378         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
5379         Remove dead predictors.
5380         * predict.c (return_prediction): Fix pasto.
5382 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5384         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
5385         change; avoid a memory leak when returning early.
5387 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
5389         * c-decl.c (static_ctors): Move to c-common.c.
5390         (static_dtors): Likewise.
5391         (finish_function): Use c_record_cdtor_fn.
5392         (build_cdtor): Move to c-common.c.
5393         (c_write_global_declarations): Use c_build_cdtor_fns.
5394         * c-common.h (static_ctors): Declare.
5395         (static_dtors): Likewise.
5396         (c_record_cdtor_fn): Likewise.
5397         (c_build_cdtor_fns): Likewise.
5398         * c-common.c (static_ctors): New variable.
5399         (static_dtors): Likewise.
5400         (c_record_cdtor_fn): New function.
5401         (build_cdtor): Move from c-decl.c
5402         (c_build_cdtor_fns): New function.
5404         * output.h (assemble_addr_to_section): Declare.
5405         (get_cdtor_priority_section): Likewise.
5406         * varasm.c (assemble_addr_to_section): New function.
5407         (get_cdtor_priority_section): Likewise.
5408         (default_named_section_asm_out_destructor): Use them.
5409         (destor_dtor_section_asm_out_destructor): Likewise.
5410         (default_named_section_asm_out_constructor): Likewise.
5411         (default_ctor_section_asm_out_constructor): Likewise.
5412         * config.gcc (*-*-vxworks*): Include vxworks.o.
5413         * config/t-vxworks (vxworks.o): New target.
5414         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
5415         (TARGET_ASM_CONSTRUCTOR): Define.
5416         (TARGET_ASM_DESTRUCTOR): Likewise.
5417         (vxworks_asm_out_constructor): Declare.
5418         (vxworks_asm_out_destructor): Likewise.
5420         * c-common.c (get_priority): Check that we have not just an
5421         INTEGER_CST, but an integer constant with integeral type.
5423 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
5425         PR tree-optimization/30938
5426         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
5427         use &dt[nargs-1] instead of &dt[nargs] in the call to
5428         vect_is_simple_use().
5430 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
5432         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
5433         from register elimination as PRE_MODIFY / POST_MODIFY increments.
5434         Do not attempt to handle MEM inside auto-inc expressions.
5435         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
5436         of a register modified by an auto-inc expression.  However, do handle
5437         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
5438         (elimination_effects): Prohibit elimination of a register modified
5439         by an auto-inc expression.  Disable register elimination rules whose
5440         target register is modified by an auto-inc expression with variable
5441         increment.
5443 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
5445         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
5446         off-by-one error.
5447         (array_at_struct_end_p): New function.
5448         (idx_infer_loop_bounds): Use it.
5449         (estimate_numbers_of_iterations_loop): Export.
5450         * predict.c (predict_loops): Use estimated_loop_iterations_int.
5451         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
5452         (tree_estimate_probability): Call record_loop_exits.
5453         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
5454         (estimated_loop_iterations, estimated_loop_iterations_int,
5455         estimated_loop_iterations_tree): New functions.
5456         (analyze_siv_subscript_cst_affine,
5457         compute_overlap_steps_for_affine_1_2,
5458         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
5459         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
5460         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
5461         (PRED_LOOP_ITERATIONS_GUESSED): New.
5462         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
5463         * cfgloop.h (estimate_numbers_of_iterations_loop,
5464         estimated_loop_iterations_int): Declare.
5466 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
5468         * doc/extend.texi: Document optional priority argument to
5469         constructors and destructors.
5470         * tree.c (init_priority_for_decl): Adjust GTY markers.
5471         (init_ttree): Use priority-info hash functions for
5472         init_priority_for_decl.
5473         (tree_map_eq): Rename to ...
5474         (tree_map_base_eq): ... this.
5475         (tree_map_marked_p): Rename to ...
5476         (tree_map_base_marked_p): ... this.
5477         (tree_map_base_hash): New function.
5478         (decl_init_priority_lookup): Rework.
5479         (decl_fini_priority_lookup): New function.
5480         (decl_priority_info): New function.
5481         (decl_init_priority_insert): Use it.
5482         (decl_fini_priority_insert): Likewise.
5483         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
5484         hierarchy.
5485         (decl_restrict_base_insert): Likewise.
5486         (decl_debug_expr_insert): Likewise.
5487         (decl_value_expr_lookup): Likewise.
5488         (decl_value_expr_insert): Likewise.
5489         * tree.h (priority_type): New type.
5490         (decl_init_priority_lookup): Use priority_type.
5491         (decl_fini_priority_lookup): New function.
5492         (decl_init_priority_insert): Use priority_type.
5493         (decl_fini_priority_insert): New function.
5494         (DECL_HAS_INIT_PRIORITY): Tweak comments.
5495         (DECL_INIT_PRIORITY): Likewise.
5496         (SET_DECL_INIT_PRIORITY): Add comment.
5497         (DECL_FINI_PRIORITY): New macro.
5498         (SET_DECL_FINI_PRIORITY): Likewise.
5499         (DEFAULT_INIT_PRIORITY): Document.
5500         (MAX_INIT_PRIORITY): Likewise.
5501         (MAX_RESERVED_INIT_PRIORITY): Likewise.
5502         (tree_map_base): New type.
5503         (tree_map_base_eq): New function.
5504         (tree_map_base_hash): Likewise.
5505         (tree_map_base_marked_p): Likewise.
5506         (tree_map): Inherit from tree_map_base.
5507         (tree_map_eq): Make it a macro.
5508         (tree_map_marked_p): Likewise.
5509         (tree_int_map): Inherit from tree_map_base.
5510         (tree_int_map_eq): Make it a macro.
5511         (tree_int_map_hash): Likewise.
5512         (tree_int_map_marked_p): Likewise.
5513         (tree_priority_map): New type.
5514         (tree_priority_map_eq): New macro.
5515         (tree_priority_map_hash): Likewise.
5516         (tree_priority_map_marked_p): Likewise.
5517         * varasm.c (emults_decl): Adjust for refactoring of tree_map
5518         hierarchy.
5519         (emutls_common_1): Likewise.
5520         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
5521         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
5522         of tree_map hierarchy.
5523         * tree-cfg.c (move_stmt_r): Likewise.
5524         (new_label_mapper): Likewise.
5525         * c-tree.h (c_expand_body): Move to ...
5526         * c-common.h (c_expand_body): ... here.
5527         * c-decl.c (c_expand_body): Move to ...
5528         * c-common.c (c_expand_body): ... here.
5529         (c_common_attribute_table): Allow 1 argument for the constructor
5530         and destructor attributes.
5531         (get_priority): New function.
5532         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
5533         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
5535 2007-02-24  Jan Hubicka  <jh@suse.cz>
5537         PR middle-end/30509
5538         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
5540 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5541             Jan Hubicka  <jh@suse.cz>
5543         PR target/30778
5544         * i386.c (counter_mode): New function.
5545         (expand_set_or_movmem_via_loop): Use it.
5546         (expand_movmem_epilogue): Likewise; fix pasto.
5547         (ix86_expand_movmem): Do emit guard even for constant counts.
5548         (ix86_expand_setmem): Likewise.
5550 2007-02-25  Nick Clifton  <nickc@redhat.com>
5552         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
5553         (JUMP_TABLES_IN_TEXT_SECTION): Define.
5555 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5557         PR target/30770
5558         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
5559         count argument with 0x10, not with 0x16.
5560         (expand_setmem_epilogue): Ditto.
5562 2007-02-24  Mike Stump  <mrs@apple.com>
5564         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
5565         symbols.
5567 2007-02-24  Richard Guenther  <rguenther@suse.de>
5569         PR middle-end/30951
5570         * fold-const.c (fold_binary): Fold x +- CST op x for
5571         EQ_EXPR and NE_EXPR.
5573 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5575         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
5577 2007-02-24  Jan Hubicka  <jh@suse.cz>
5579         * cgraphunit.c (decide_is_function_needed): Honor
5580         -fkeep-inline-functions.
5582 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5584         * builtins.c (fold_builtin_modf): New.
5585         (fold_builtin_2): Use it.
5587 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
5589         * loop-iv.c (implies_p): Detect additional cases where A implies B.
5590         (determine_max_iter): Take additional LOOP arg; all callers changed.
5591         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
5592         one using simplifications.
5593         (simplify_using_initial_values): Return if the expression becomes
5594         invalid due to altered regs.
5596 2007-02-23  DJ Delorie  <dj@redhat.com>
5598         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
5600 2007-02-23  Mike Stump  <mrs@apple.com>
5602         * tlink.c (scan_linker_output): Parse linker messages from
5603         darwin9's linker better.
5605 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
5607         PR debug/29614
5608         * varpool.c (varpool_assemble_pending_decls):  Set
5609         varpool_last_needed_node to null.
5611 2007-02-23  DJ Delorie  <dj@redhat.com>
5613         * config/i386/i386.c (ix86_data_alignment): Don't specify an
5614         alignment bigger than the object file can handle.
5616 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
5618         PR target/30825
5619         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
5620         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
5621         (*movsf_1): Penalize MMX moves.
5623 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
5625         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
5626         2^32-1 or more times unless flag_unsafe_loop_optimizations.
5628         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
5630 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5632         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
5633         (fold_builtin_1): Use them.
5634         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5635         BUILT_IN_SIGNIFICAND.
5637 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
5639         * config/i386/i386.c (bdesc_1arg): Initialize
5640         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
5641         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
5642         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
5643         and IX86_BUILTIN_MOVSLDUP.
5645 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
5647         PR rtl-optimization/30841
5648         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
5650 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5652         * builtins.c (fold_builtin_frexp): New.
5653         (fold_builtin_2): Use it.
5655 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
5657         * doc/invoke.texi (Spec Files): Document getenv spec function.
5659         * gcc.c (getenv_spec_function): New function.
5660         (static_spec_functions): Add it.
5661         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
5662         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
5663         header files.
5665 2007-02-22  Michael Matz  <matz@suse.de
5667         PR c++/29433
5668         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
5669         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
5671 2007-02-22  Ian Lance Taylor  <iant@google.com>
5673         PR debug/30898
5674         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
5675         (mem_loc_descriptor): Call it.
5677 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
5678             Ira Rosen  <irar@il.ibm.com>
5680         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
5682 2007-02-22  Ira Rosen  <irar@il.ibm.com>
5684         PR tree-optimization/30843
5685         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
5686         stores only after all the group is vectorized.
5688 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
5690         PR tree-optimization/30858
5691         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
5692         in the reduction cycle have a single use in the loop.
5693         * tree-vectorizer.h (relevant): Add documentation.
5695 2007-02-20  Mike Stump  <mrs@apple.com>
5697         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
5698         * configure: Regenerate.
5700 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
5702         Change the defaults of some parameters and options.
5703         * config/spu/spu-protos.h (spu_optimization_options): Declare.
5704         * config/spu/spu.c (spu_optimization_options): Add.
5705         (spu_override_options): Change params in spu_optimization_options.
5706         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
5708         Register 127 is only 16 byte aligned when used as a frame pointer.
5709         * config/spu/spu-protos.h (spu_init_expanders): Declare.
5710         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
5711         HARD_FRAME_POINTER_REGNUM.
5712         (spu_legitimate_address):  Use regno_aligned_for_reload.
5713         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
5714         aligned when frame_pointer_needed is true.
5715         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
5716         to 8 bits.
5717         * config/spu/spu.h (INIT_EXPANDERS): Define.
5719         Make sure shift and rotate instructions have valid immediate operands.
5720         * config/spu/predicates.md (spu_shift_operand): Remove.
5721         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
5722         * config/spu/constraints.md (W, O): Extend range.
5723         * config/spu/spu.md (umask, nmask): Define.
5724         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
5725         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
5726         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
5727         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
5728         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
5729         (lshr<mode>3_reg):  Fix rtl description.
5731         Make sure mulhisi immediate operands are valid.
5732         * config/spu/predicates.md (imm_K_operand): Add.
5733         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
5735         Generate constants using fsmbi and andi.
5736         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
5737         (print_operand, spu_split_immediate, classify_immediate,
5738         fsmbi_const_p): Handle IC_FSMBI2.
5740         Correctly handle a CONST_VECTOR containing symbols.
5741         * config/spu/spu.c (print_operand): Handle HIGH correctly.
5742         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
5743         (immediate_load_p): Allow symbols that use 2 instructions to create.
5744         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
5745         with symbols when flag_pic is set.
5746         (const_vector_immediate_p): New.
5747         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
5748         accept a CONST_VECTOR with symbols.
5749         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
5750         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
5751         correctly.
5752         * config/spu/spu.md (high, low): Delete.
5753         (low_<mode>): Define.
5755         Remove INTRmode and INTR_REGNUM, which didn't work.
5756         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
5757         of INTR_REGNUM.
5758         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
5759         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
5760         peephole2 pattern): Don't use INTR or 131.
5761         (movintrcc): Delete.
5762         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
5763         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
5764         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
5765         (UNSPEC_SET_INTR): Add.
5766         * config/spu/spu-modes.def (INTR): Remove.
5768         More accurate warnings about run-time relocations.
5769         * config/spu/spu.c (reloc_diagnostic): Test in_section.
5771         Correctly warn about immediate arguments to specific intrinsics.
5772         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
5773         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
5774         the instruction predicate.
5776         Fix tree check errors with latest update.
5777         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
5778         CALL_EXPR_ARG.
5779         (spu_expand_builtin): Use CALL_EXPR_FN.
5781         Add missing specific intrinsics.
5782         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
5783         si_bislede.
5784         * config/spu/spu_internals.h: Ditto.
5786         Fix incorrect operand modifiers.
5787         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
5788         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
5790         Optimize one case of zero_extend of a vec_select.
5791         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
5793         Accept any immediate for hbr.
5794         * config/spu/spu.md (hbr):  Change s constraints to i.
5796 2007-02-21  Paul Brook  <paul@codesourcery.com>
5798         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
5799         condexec_count when skipping USE and CLOBBER.
5801 2007-02-21  Nick Clifton  <nickc@redhat.com>
5803         * common.opt (Warray-bounds): Add Warning attribute.
5804         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
5805         Likewise.
5806         (fsized-zeroes): Add Optimization attribute.
5807         (fsplit-wide-types, ftree-scev-cprop): Likewise.
5808         * c.opt (Wc++0x-compat): Add Warning attribute.
5810 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
5812         PR middle-end/30761
5813         * reload1.c (eliminate_regs_in_insn): In the single_set special
5814         case, attempt to re-recognize the insn before falling back to
5815         having reload fix it up.
5817 2007-02-20  Eric Christopher  <echristo@gmail.com>
5819         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
5820         Rewrite accordingly.
5821         (frv_read_iacc_argument): Ditto.
5822         (frv_expand_set_builtin): Take a call instead of arglist, update for
5823         above changes.
5824         (frv_expand_unop_builtin): Ditto.
5825         (frv_expand_binop_builtin): Ditto.
5826         (frv_expand_cut_builtin): Ditto.
5827         (frv_expand_binopimm_builtin): Ditto.
5828         (frv_expand_voidbinop_builtin): Ditto.
5829         (frv_expand_int_void2arg): Ditto.
5830         (frv_expand_prefetches): Ditto.
5831         (frv_expand_voidtriop_builtin): Ditto.
5832         (frv_expand_voidaccop_builtin): Ditto.
5833         (frv_expand_load_builtin): Ditto.
5834         (frv_expand_store_builtin): Ditto.
5835         (frv_expand_mdpackh_builtin): Ditto.
5836         (frv_expand_mclracc_builtin): Ditto.
5837         (frv_expand_mrdacc_builtin): Ditto.
5838         (frv_expand_mwtacc_builtin): Ditto.
5839         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
5840         calls for above.
5842 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
5844         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
5845         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
5846         cmpb instruction.
5847         (HAVE_GAS_DFP): Check for assembler support of decimal floating
5848         point instructions.
5849         * configure: Regenerate.
5850         * config.in: Regenerate.
5851         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
5852         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
5853         masks to power6 and power6x and to POWERPC_MASKS.
5854         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5855         _ARCH_PWR6.
5856         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
5857         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
5858         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
5859         Access PROTOTYPE as variable, not mask.
5861 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
5863         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
5864         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
5865         * combine.c (adjust_for_new_dest): Use it.
5866         * postreload.c (reload_combine): Likewise.
5868 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
5870         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
5871         notes on an insn with multiple sets, even if single_set returns
5872         non-NULL for that insn.
5874 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5876         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
5877         scalbn and scalbln.
5879 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
5881         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
5882         if user didn't pass it.
5883         * config/i386/darwin.h (CC1_SPEC): Likewise.
5884         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
5885         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
5886         -mmacosx-version-min.
5888 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5889             Uros Bizjak  <ubizjak@gmail.com>
5891         * optabs.h (enum optab_index): Add new OTI_scalb.
5892         (scalb_optab): Define corresponding macro.
5893         * optabs.c (init_optabs): Initialize scalb_optab.
5894         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
5895         patterns.
5896         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
5897         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
5898         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
5899         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
5900         flag_unsafe_math_optimizations is set.
5902         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
5903         to implement scalbf, scalb and scalbl built-ins as inline x87
5904         intrinsics.
5906 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5907             DJ Delorie <dj@redhat.com>
5909         PR other/30824
5910         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
5911         (diagnostic_report_diagnostic): ... here, and turn them into real
5912         errors. If warnings are inhibited, no need to do anything.
5914 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
5916         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
5917         better code generation.
5919 2007-02-20  Ben Elliston  <bje@au.ibm.com>
5921         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
5923 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
5925         * config/alpha/alpha.c, config/alpha/alpha.md,
5926         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
5927         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
5928         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
5929         config/arm/lib1funcs.asm: Follow spelling conventions.
5931         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
5932         config/fr30/fr30.md, config/i386/i386.h,
5933         config/iq2000/iq2000.h, config/iq2000/predicates.md,
5934         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
5935         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
5936         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
5937         config/rs6000/altivec.md, config/rs6000/rs6000.c,
5938         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
5939         config/sparc/sparc.c, config/sparc/sparc.h,
5940         config/sparc/sparc.md, config/spu/constraints.md,
5941         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
5942         conventions.
5944 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
5946         PR target/29943
5947         * varasm.c (use_blocks_for_decl_p): Return false for decls with
5948         alias attribute.
5950 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
5952         * doc/invoke.texi (-ftree-lrs): Remove.
5954 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
5956         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
5957         NULL.
5959 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
5961         * config/ia64/ia64.c (ia64_expand_builtin): Use the
5962         new CALL_EXPR_FN macro for retrieving the function
5963         declaration of the input expression.
5965 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5967         * c.opt (Waddress): New.
5968         * common.opt (Walways-true): Delete.
5969         (Wstring-literal-comparison): Delete.
5970         * doc/invoke.texi (Warning Options): Delete -Walways-true and
5971         -Wstring-literal-comparison. Add -Waddress.
5972         (Waddress): New.
5973         (Walways-true): Delete.
5974         (Wstring-literal-comparison): Delete.
5975         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
5976         consistently instead of -Walways-true in example.
5977         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
5978         * c-typeck.c (parser_build_binary_op): Replace
5979         -Wstring-literal-comparison and -Walways-true with -Waddress.
5980         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
5981         with -Waddress.
5983 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5985         * tree-cfg.c (dump_function_to_file): Be prepared for functions
5986         without DECL_STRUCT_FUNCTION initialized.
5988 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5990         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
5991         due to calls to functions taking pointers as parameters.
5993 2007-02-19  Richard Henderson  <rth@redhat.com>
5995         PR debug/29558
5996         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
5997         in memory.
5999 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6001         * config/s390/s390.c (s390_call_saved_register_used,
6002         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6003         accessed to the new scheme.
6005 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6007         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6008         (cris_print_index, cris_print_operand, cris_print_operand_address)
6009         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6010         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6011         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6012         GET_CODE () == xxx.
6013         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6014         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6015         GO_IF_LEGITIMATE_ADDRESS): Ditto.
6016         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6017         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6018         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6019         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6020         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6021         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6022         (uminsi3, call, call_value): Ditto.
6023         (define_split: indir_to_reg_split, unnamed): Ditto.
6025 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
6027         PR tree-optimization/30975
6028         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6029         wrong assert.
6031 2007-02-18  Eric Christopher  <echristo@gmail.com>
6033         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6034         Remove use of arglist.
6035         (mips_expand_builtin): Remove use of arglist, pass in expr.
6036         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6037         (mips_expand_builtin_movtf): Ditto.
6038         (mips_expand_builtin_compare): Ditto.
6040 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6042         * tree-sra.c (sra_build_assignment): Replace assertion
6043         checking with a comment explaining why it can't be done.
6045 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6047         PR middle-end/30833
6048         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6049         during CALL_EXPR representation conversion.
6050         * tree-ssa-propagate.c (set_rhs): Likewise.
6052 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6054         * tree-sra.c (sra_build_assignment): Disable assertion checking
6055         for now.
6057 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6059         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
6060         instead of calling build2 with a GIMPLE_MODIFY_STMT.
6061         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
6062         Likewise.
6063         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
6064         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
6065         gimplify_init_ctor_eval_range, gimple_push_cleanup,
6066         gimplify_omp_for, gimplify_omp_atomic_pipeline,
6067         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
6068         force_gimple_operand): Likewise.
6069         * ipa-cp.c (constant_val_insert): Likewise.
6070         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6071         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
6072         perfect_nestify): Likewise.
6073         * langhooks.c (lhd_omp_assignment): Likewise.
6074         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
6075         lower_copyprivate_clauses, lower_send_clauses,
6076         lower_send_shared_vars, expand_parallel_call,
6077         expand_omp_for_generic, expand_omp_for_static_nochunk,
6078         expand_omp_for_static_chunk, expand_omp_sections,
6079         lower_omp_single_copy, lower_omp_for_lastprivate,
6080         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
6081         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6082         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
6083         Likewise.
6085 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6087         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
6088         config/sh/sh.md: Follow spelling conventions.
6090         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
6091         config/frv/predicates.md: Follow spelling conventions.
6093         * config/m68k/linux-unwind.h: Fix a comment typo.
6094         * target.h: Follow spelling conventions.
6096 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6098         PR rtl-optimization/28173
6099         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
6100         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
6101         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
6102         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
6103         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
6105 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6107         * builtins.c (fold_builtin_load_exponent): New.
6108         (fold_builtin_2): Use it.
6110 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
6112         PR rtl-optimization/30773
6113         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
6114         if we fail to attach a REG_EQUIV note.
6116 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
6117             Roger Sayle  <roger@eyesopen.com>
6119         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
6121 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6123         * calls.c (initialize_argument_information): Pass original EXP
6124         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
6125         code to split complex arguments here, as part of initializing the
6126         ARGS array.
6127         (expand_call): Remove code that builds a list of arguments and
6128         inserts implicit arguments into it.  Instead, just count how many
6129         implicit arguments there will be so we can determine the size of
6130         the ARGS array, and let initialize_argument_information do the work.
6131         (split_complex_values): Delete unused function.
6133 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6135         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
6137 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6139         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
6140         for arg pointer based indexed addressing.
6142 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6144         * config/ia64/ia64.h, config/ia64/ia64.md,
6145         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
6146         spelling conventions.
6148 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6150         * config/m68k/m68k.c (split_di): New.
6151         * config/m68k/m68k-protos.h: Declare split_di.
6152         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
6153           Improve predicate handling and split constant shifts.
6155 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6157         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
6158         parameter for register bitfield operations, general predicates
6159         cleanup
6161 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6163         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
6164         * config/m68k/linux-unwind.h: New file.
6166 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6168         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
6169         config/i386/athlon.md, config/ia64/ia64.md,
6170         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
6171         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
6172         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
6173         tree-ssa-loop-niter.c, tree-vect-analyze.c,
6174         tree-vect-transform.c: Fix comment typos.
6176 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
6178         * sched-deps.c (find_insn_list): Remove.
6179         * sched-int.h: Remove the prototype for find_insn_list.
6181 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
6183         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
6184         to linker.
6185         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
6186         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
6187         darwin_rs6000_override_options.
6188         (C_COMMON_OVERRIDE_OPTIONS): Expect
6189         darwin_macosx_version_min to be non-NULL always.
6190         (TARGET_C99_FUNCTIONS): Likewise.
6191         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
6192         (DARWIN_MINVERSION_SPEC): New.
6193         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
6194         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
6195         to cc1*.
6196         (DARWIN_MINVERSION_SPEC): New.
6197         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
6198         value.
6199         * config/darwin-c.c (darwin_cpp_builtins): Expect
6200         darwin_macosx_version_min to be non-NULL always.
6202         * config/rs6000/rs6000.c: Clean up trailing whitespace.
6204 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
6206         * config/i386/i386.h (x86_use_xchgb): New.
6207         (TARGET_USE_XCHGB): New macro.
6208         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
6209         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
6210         Split after reload into bswaphi for shifts of 8.
6211         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
6212         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
6213         or when optimizing for size.
6215 2007-02-16  Richard Guenther  <rguenther@suse.de>
6216             Christian Bruel  <christian.bruel@st.com>
6218         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
6219         DECLs but prefer SSA_NAMEs over DECLs.
6221 2007-02-16  Richard Guenther  <rguenther@suse.de>
6223         * tree-flow-inline.h (single_imm_use_p): Remove.
6224         (zero_imm_uses_p): Likewise.
6225         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
6226         instead of single_imm_use_p.
6227         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
6228         zero_imm_uses_p.
6230 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6232         PR other/27843
6233         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
6234         nested double- and backquotes.
6236 2007-02-15  Roger Sayle  <roger@eyesopen.com>
6238         PR middle-end/30391
6239         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
6240         should be unreachable.
6241         (build2_stat): Allow construction of MODIFY_EXPR at any time.
6242         For the time being redirect GIMPLE_MODIFY_STMT to the new
6243         (renamed) build_gimple_modify_stmt_stat.
6244         (build2_gimple_stat): Rename to...
6245         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
6246         Always build a GIMPLE_MODIFY_STMT node.
6247         * tree.h (build2_gimple, build2_gimple_stat): Delete.
6248         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
6249         declarations.
6251         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
6252         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
6253         * tree-complex.c (set_component_ssa_name, expand_complex_move,
6254         expand_complex_div_wide): Likewise.
6255         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
6256         * tree-ssa-loop-im.c (schedule_sm): Likewise.
6257         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
6258         * tree-ssa-loop-manip.c (create_iv): Likewise.
6259         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
6260         abs_replacement): Likewise.
6261         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
6262         realify_fake_stores): Likewise.
6264         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
6265         node rather than a GIMPLE_MODIFY_STMT node.
6266         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
6267         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
6268         Likewise.
6269         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
6270         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
6271         GIMPLE_MODIFY_STMT.
6273 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6275         PR middle-end/30433
6276         * fold-const.c (fold_comparison): Add back the
6277         folding of constant complex comparisions.
6279 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6281         PR middle-end/30729
6282         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
6283         effects unknown to this function, return early.
6285 2007-02-15  Ian Lance Taylor  <iant@google.com>
6287         * lower-subreg.c (move_eh_region_note): New static function.
6288         (resolve_simple_move): Call it.
6289         (decompose_multiword_subregs): Track blocks for which we resolve a
6290         simple move which is also a control flow insn.  Pass them to
6291         find_many_sub_basic_blocks.
6292         (pass_lower_subreg): Add TODO_verify_flow.
6293         (pass_lower_subreg2): Likewise.
6295 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6296             Brooks Moses  <brooks.moses@codesourcery.com>
6297             Lee Millward  <lee.millward@codesourcery.com>
6299         * tree.h (enum tree_code_class): Add tcc_vl_exp.
6300         (VL_EXP_CLASS_P): New.
6301         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
6302         TREE_CODE_LENGTH.
6303         (TREE_OPERAND_CHECK_CODE): Likewise.
6304         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
6305         (TREE_RTL_OPERAND_CHECK): Likewise.
6306         (tree_operand_check_failed): Make second parameter the whole tree
6307         instead of its code.  Fixed callers.
6308         (VL_EXP_CHECK): New.
6309         (TREE_OPERAND_LENGTH): New.
6310         (VL_EXP_OPERAND_LENGTH): New.
6311         (CALL_EXPR_FN): New.
6312         (CALL_EXPR_STATIC_CHAIN): New.
6313         (CALL_EXPR_ARGS): New.
6314         (CALL_EXPR_ARG): New.
6315         (call_expr_nargs): New.
6316         (CALL_EXPR_ARGP): New.
6317         (build_nt_call_list): Declare.
6318         (build_vl_exp_stat): Declare.
6319         (build_vl_exp): New.
6320         (build_call_list): Declare.
6321         (build_call_nary): Declare.
6322         (build_call_valist): Declare.
6323         (build_call_array): Declare.
6324         (call_expr_arg): Declare.
6325         (call_expr_argp): Declare.
6326         (call_expr_arglist): Declare.
6327         (fold_build_call_list): Declare.
6328         (fold_build_call_list_initializer): Declare.
6329         (fold_call_expr): Declare to replace fold_builtin.
6330         (fold_builtin_fputs): Update to agree with modified definition.
6331         (fold_builtin_strcpy): Likewise.
6332         (fold_builtin_strncpy): Likewise.
6333         (fold_builtin_memory_chk): Likewise.
6334         (fold_builtin_stxcpy_chk): Likewise.
6335         (fold_builtin_strncpy_chk): Likewise.
6336         (fold_builtin_next_arg): Likewise.
6337         (fold_build_call_expr): Declare.
6338         (fold_builtin_call_list): Declare.
6339         (fold_builtin_call_valist): Declare.
6340         (build_call_expr): Declare.
6341         (validate_arglist): Update to agree with modified definition.
6342         (tree_operand_length): New.
6343         (call_expr_arg_iterator): New.
6344         (init_call_expr_arg_iterator): New.
6345         (next_call_expr_arg): New.
6346         (first_call_expr_arg): New.
6347         (more_call_expr_args_p): New.
6348         (FOR_EACH_CALL_EXPR_ARG): New.
6350         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
6351         and tcc_gimple_stmt.
6352         (tree_code_size): Update documentation.  Use sizeof (tree) rather
6353         than sizeof (char *).
6354         (tree_size): Likewise.  Add case for tcc_vl_exp.
6355         (tree_node_structure): Add case for tcc_vl_exp.
6356         (contains_placeholder_p): Likewise.
6357         (substitute_in_expr): Likewise.
6358         (substitute_placeholder_in_expr): Likewise.
6359         (stabilize_reference_1): Likewise.
6360         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
6361         to diagnose breakage of this interface for constructing CALL_EXPRs.
6362         (build_nt): Add similar assertion here.
6363         (build_nt_call_list): New.
6364         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
6365         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
6366         TREE_CODE_LENGTH.
6367         (get_callee_fndecl): Use new CALL_EXPR accessors.
6368         (tree_operand_check_failed): Change parameters to pass entire node
6369         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
6370         (process_call_operands): New.
6371         (build_vl_exp_stat): New.
6372         (build_call_list): New.
6373         (build_call_nary): New.
6374         (build_call_valist): New.
6375         (build_call_array): New.
6376         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6377         (call_expr_arglist): New.
6379         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
6380         tcc_vl_exp instead of a fixed-size tcc_expression.
6382         * doc/c-tree.texi (CALL_EXPR): Document new representation and
6383         accessors for CALL_EXPRs.
6384         (AGGR_INIT_EXPR): Likewise.
6386 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6387             Brooks Moses  <brooks.moses@codesourcery.com>
6388             Lee Millward  <lee.millward@codesourcery.com>
6390         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
6391         (expand_builtin_nonlocal_goto): Change parameter to be entire
6392         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
6393         (expand_builtin_prefetch): Likewise.
6394         (expand_builtin_classify_type): Likewise.
6395         (mathfn_built_in): Return NULL_TREE instead of 0.
6396         (expand_errno_check): Use new CALL_EXPR accessors.
6397         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
6398         Return NULL_RTX instead of 0.
6399         (expand_builtin_mathfn_2): Likewise.
6400         (expand_builtin_mathfn_3): Likewise.
6401         (expand_builtin_interclass_mathfn): Likewise.
6402         (expand_builtin_sincos): Likewise.
6403         (expand_builtin_cexpi): Likewise.
6404         (expand_builtin_int_roundingfn): Likewise.
6405         (expand_builtin_int_roundingfn_2): Likewise.
6406         (expand_builtin_pow): Likewise.
6407         (expand_builtin_powi): Likewise.
6408         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
6409         of arglist, fixing callers appropriately.  Use new CALL_EXPR
6410         accessors and constructors.  Return NULL_RTX instead of 0.
6411         (expand_builtin_strstr): Likewise.
6412         (expand_builtin_strchr): Likewise.
6413         (expand_builtin_strrchr): Likewise.
6414         (expand_builtin_strpbrk): Likewise.
6415         (expand_builtin_memcpy): Likewise.
6416         (expand_builtin_mempcpy): Likewise.
6417         (expand_builtin_mempcpy_args): New.
6418         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
6419         (expand_builtin_memmove_args): New.
6420         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
6421         (expand_movstr): Likewise.
6422         (expand_builtin_strcpy): Likewise.
6423         (expand_builtin_strcpy_args): New.
6424         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
6425         (expand_builtin_strncpy): Likewise.
6426         (expand_builtin_memset): Likewise.
6427         (expand_builtin_memset_args): New.
6428         (expand_builtin_bzero): Similarly to expand_builtin_memset.
6429         (expand_builtin_memcmp): Likewise.
6430         (expand_builtin_strcmp): Likewise.
6431         (expand_builtin_strncmp): Likewise.
6432         (expand_builtin_strcat): Likewise.
6433         (expand_builtin_strncat): Likewise.
6434         (expand_builtin_strspn): Likewise.
6435         (expand_builtin_strcspn): Likewise.
6436         (expand_builtin_args_info): Likewise.
6437         (expand_builtin_va_start): Likewise.
6438         (gimplify_va_arg_expr): Likewise.
6439         (expand_builtin_va_end): Likewise.
6440         (expand_builtin_va_copy): Likewise.
6441         (expand_builtin_frame_address): Likewise.
6442         (expand_builtin_alloca): Likewise.
6443         (expand_builtin_bswap): Likewise.
6444         (expand_builtin_unop): Likewise.
6445         (expand_builtin_fputs): Likewise.
6446         (expand_builtin_expect): Likewise.
6447         (expand_builtin_fabs): Likewise.
6448         (expand_builtin_copysign): Likewise.
6449         (expand_builtin_printf): Likewise.
6450         (expand_builtin_fprintf): Likewise.
6451         (expand_builtin_sprintf): Likewise.
6452         (expand_builtin_init_trampoline): Likewise.
6453         (expand_builtin_signbit): Likewise.
6454         (expand_builtin_fork_or_exec): Likewise.
6455         (expand_builtin_sync_operation): Likewise.
6456         (expand_builtin_compare_and_swap): Likewise.
6457         (expand_builtin_lock_test_and_set): Likewise.
6458         (expand_builtin_lock_release): Likewise.
6459         (expand_builtin): Likewise.
6460         (builtin_mathfn_code): Likewise.
6462         (fold_builtin_constant_p): Pass call arguments individually instead
6463         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6464         accessors and constructors.  Return NULL_TREE instead of 0.
6465         (fold_builtin_expect): Likewise.
6466         (fold_builtin_classify_type): Likewise.
6467         (fold_builtin_strlen): Likewise.
6468         (fold_builtin_nan): Likewise.
6469         (integer_valued_real_p): Likewise.
6470         (fold_trunc_transparent_mathfn): Likewise.
6471         (fold_fixed_mathfn): Likewise.
6472         (fold_builtin_cabs): Likewise.
6473         (fold_builtin_sqrt): Likewise.
6474         (fold_builtin_cbrt): Likewise.
6475         (fold_builtin_cos): Likewise.
6476         (fold_builtin_cosh): Likewise.
6477         (fold_builtin_tan): Likewise.
6478         (fold_builtin_sincos): Likewise.
6479         (fold_builtin_cexp): Likewise.
6480         (fold_builtin_trunc): Likewise.
6481         (fold_builtin_floor): Likewise.
6482         (fold_builtin_ceil): Likewise.
6483         (fold_builtin_round): Likewise.
6484         (fold_builtin_int_roundingfn): Likewise.
6485         (fold_builtin_bitop): Likewise.
6486         (fold_builtin_bswap): Likewise.
6487         (fold_builtin_logarithm): Likewise.
6488         (fold_builtin_hypot): Likewise.
6489         (fold_builtin_pow): Likewise.
6490         (fold_builtin_powi): Likewise.
6491         (fold_builtin_exponent): Likewise.
6492         (fold_builtin_memset): Likewise.
6493         (fold_builtin_bzero): Likewise.
6494         (fold_builtin_memory_op): Likewise.
6495         (fold_builtin_bcopy): Deleted; call site changed to invoke
6496         fold_builtin_memory_op directly.
6497         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
6498         (fold_builtin_strncpy): Likewise.
6499         (fold_builtin_memcmp): Likewise.
6500         (fold_builtin_strcmp): Likewise.
6501         (fold_builtin_strncmp): Likewise.
6502         (fold_builtin_signbit): Likewise.
6503         (fold_builtin_copysign): Likewise.
6504         (fold_builtin_isascii): Likewise.
6505         (fold_builtin_toascii): Likewise.
6506         (fold_builtin_isdigit): Likewise.
6507         (fold_builtin_fabs): Likewise.
6508         (fold_builtin_abs): Likewise.
6509         (fold_builtin_fmin_fmax): Likewise.
6510         (fold_builtin_carg): Likewise.
6511         (fold_builtin_classify): Likewise.
6512         (fold_builtin_unordered_cmp): Likewise.
6514         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
6515         New functions split out from fold_builtin_1.
6516         (fold_builtin_n): New.
6517         (fold_builtin_varargs): New.
6518         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
6519         instead.
6520         (fold_call_expr): New.
6521         (build_function_call_expr): Rewrite to use new helper function.
6522         (fold_builtin_call_list): New.
6523         (build_call_expr): New.
6524         (fold_builtin_call_valist): New.
6525         (rewrite_call_expr): New.
6526         (validate_arg): New.
6527         (validate_arglist): Change parameter to be entire CALL_EXPR instead
6528         of an arglist.  Change return type to bool.  Use new CALL_EXPR
6529         accessors.
6531         (fold_builtin_strstr):  Pass call arguments individually instead
6532         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6533         accessors and constructors.  Return NULL_TREE instead of 0.
6534         (fold_builtin_strchr): Likewise.
6535         (fold_builtin_strrchr): Likewise.
6536         (fold_builtin_strpbrk): Likewise.
6537         (fold_builtin_strcat): Likewise.
6538         (fold_builtin_strncat): Likewise.
6539         (fold_builtin_strspn): Likewise.
6540         (fold_builtin_strcspn): Likewise.
6541         (fold_builtin_fputs): Likewise.
6542         (fold_builtin_next_arg): Likewise.
6543         (fold_builtin_sprintf): Likewise.
6545         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
6546         NULL_RTX instead of 0.
6547         (expand_builtin_memory_chk): Likewise.
6548         (maybe_emit_chk_warning): Likewise.
6549         (maybe_emit_sprintf_chk_warning): Likewise.
6551         (fold_builtin_object_size): Pass call arguments individually instead
6552         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6553         accessors and constructors.  Return NULL_TREE instead of 0.
6554         (fold_builtin_memory_chk): Likewise.
6555         (fold_builtin_stxcpy_chk): Likewise.
6556         (fold_builtin_strncpy_chk): Likewise.
6557         (fold_builtin_strcat_chk): Likewise.
6558         (fold_builtin_strcat_chk): Likewise.
6559         (fold_builtin_strncat_chk): Likewise.
6560         (fold_builtin_sprintf_chk): Likewise.
6561         (fold_builtin_snprintf_chk): Likewise.
6562         (fold_builtin_printf): Likewise.
6563         (fold_builtin_vprintf): Likewise.
6565         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
6566         constructors.
6567         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
6568         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6569         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
6570         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
6571         (fold_unary): Likewise.
6572         (fold_binary): Likewise.
6573         (fold_ternary): Remove CALL_EXPR case, since they are no longer
6574         ternary expressions.
6575         (fold): Add logic for tcc_vl_exp.
6576         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
6577         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6578         (fold_build3_stat): Add assertion to flag broken interface for
6579         constructing CALL_EXPRs.
6580         (fold_build_call_list): New.
6581         (fold_build_call_list_initializer): New.
6582         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
6583         constructors.
6584         (fold_strip_sign_ops): Likewise.
6586 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6587             Brooks Moses  <brooks.moses@codesourcery.com>
6588             Lee Millward  <lee.millward@codesourcery.com>
6590         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
6591         accessors and dump arguments explicitly.
6593         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
6594         TREE_CODE_LENGTH.
6595         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
6596         explicitly.
6597         (print_call_name): Use new CALL_EXPR accessors.
6599         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
6600         CALL_EXPR arguments explicitly instead of as a list.  Use
6601         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6603         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
6604         (vrp_visit_stmt): Likewise.
6606         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
6607         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
6608         TREE_CODE_LENGTH.
6609         (force_move_till_expr): Likewise.
6611         * targhooks.c (default_external_stack_protect_fail): Use
6612         build_call_expr instead of build_function_call_expr.
6613         (default_hidden_stack_protect_fail): Likewise.
6615         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
6616         build the call.
6618         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
6619         and walk arguments explicitly.
6621         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
6622         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6623         (expand_simple_operations): Likewise.
6624         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
6626         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
6627         of TREE_CODE_LENGTH.
6628         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
6630         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
6631         instead of TREE_CODE_LENGTH.
6633         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
6634         (tree_ic_transform): Likewise.
6635         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
6636         parameter instead of arglist.  Fix callers.
6637         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
6638         (tree_stringops_transform): Likewise.
6639         (tree_indirect_call_to_profile): Likewise.
6640         (tree_stringops_values_to_profile): Likewise.
6642         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
6643         (eliminate_tail_call): Likewise.
6645         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
6647         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
6648         Use TREE_OPERAND_LENGTH and generalize to handle any number of
6649         operands.
6650         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
6652         * omp-low.c (build_omp_barrier): Use build_call_expr.
6653         (lower_rec_input_clauses): Likewise.
6654         (lower_reduction_clauses): Likewise.
6655         (expand_parallel_call): Likewise.
6656         (maybe_catch_exception): Likewise.
6657         (expand_omp_for_generic): Likewise.
6658         (expand_omp_for_static_nochunk): Likewise.
6659         (expand_omp_sections): Likewise.
6660         (lower_omp_single_simple): Likewise.
6661         (lower_omp_single_copy): Likewise.
6662         (lower_omp_master): Likewise.
6663         (lower_omp_ordered): Likewise.
6664         (lower_omp_critical): Likewise.
6666         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
6667         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
6669         * tree-gimple.c (is_gimple_call_addr): Fix doc.
6670         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
6671         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
6673         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
6674         and generalize to handle any number of operands.
6675         (chrec_contains_undetermined): Likewise.
6676         (tree_contains_chrecs): Likewise.
6677         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
6679         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
6681         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
6682         fold_call_expr instead of fold_builtin.
6683         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
6684         match declarations there.
6685         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
6686         updates.
6688         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
6689         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6691         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
6692         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
6694         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
6695         accessors.
6697         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
6698         (execute_cse_sincos): Use new CALL_EXPR accessors.
6700         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
6702         * gimple-low.c (lower_function_body): Use build_call_expr.
6703         (lower_builtin_setjmp): Likewise.
6705         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
6706         (set_storage_via_libcall): Likewise.
6707         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
6708         instead of TREE_CODE_LENGTH.
6709         (expand_expr_real_1): Use new CALL_EXPR accessors.
6711         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
6712         generalize to handle any number of operands.
6713         (TB_parent_eq): Likewise.
6715         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
6716         (strip_builtin_expect): Likewise.
6718         * function.c (gimplify_parameters): Use build_call_expr.
6720         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
6721         instead of TREE_CODE_LENGTH.
6723         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
6724         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
6726         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
6727         iterators.
6729         * gimplify.c (build_stack_save_restore): Use build_call_expr.
6730         (gimplify_decl_expr): Likewise.
6731         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
6732         Use new CALL_EXPR iterators.
6733         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
6734         (gimplify_modify_expr_to_memset): Likewise.
6735         (gimplify_variable_sized_compare): Likewise.
6736         (gimplify_omp_atomic_fetch_op): Likewise.
6737         (gimplify_omp_atomic_pipeline): Likewise.
6738         (gimplify_omp_atomic_mutex): Likewise.
6739         (gimplify_function_tree): Likewise.
6741         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
6742         (call_expr_flags): Likewise.
6743         (expand_call): Likewise.
6745         * except.c (expand_builtin_eh_return_data_regno): Pass entire
6746         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
6747         accessors.
6749         * coverage.c (create_coverage): Use build_call_expr.
6751         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
6752         (temp_call_expr_obstack): New.
6753         (pool_copy_list): Delete.
6754         (temp_copy_call_expr): New.
6755         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
6756         CALL_EXPR accessors.  Get rid of special goo for copying argument
6757         lists and use temp_copy_call_expr instead.
6758         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
6759         CALL_EXPR accessors.
6760         (create_expression_by_pieces): Likewise.  Use build_call_array
6761         to construct the result instead of fold_build3.
6762         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
6763         dealing with argument lists.
6764         (init_pre): Remove references to expression_node_pool and
6765         list_node_pool.  Init temp_call_expr_obstack instead.
6766         (fini_pre): Remove references to expression_node_pool and
6767         list_node_pool.
6769         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
6770         and walk arguments explicitly instead of as a list.
6772         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
6773         (mx_register_decls): Likewise.
6774         (mudflap_register_call): Likewise.
6775         (mudflap_finish_file): Likewise.
6777         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
6778         (ipa_callsite_compute_param): Likewise.
6780         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
6781         accessors and constructor.
6783         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
6784         accessors and constructor.
6785         (convert_tramp_reference): Likewise.
6786         (convert_call_expr): Likewise.
6787         (finalize_nesting_tree_1): Likewise.
6789         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
6790         accessors.
6792         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
6794         * tree-inline.c (initialize_inlined_parameters): Pass entire
6795         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
6796         accessors.
6797         (estimate_num_insns_1): Use new CALL_EXPR accessors.
6798         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
6800         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
6801         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6802         (vectorizable_reduction): Likewise.
6803         (vectorizable_call): Use new CALL_EXPR iterators.
6804         (vectorizable_conversion): Use build_call_expr.
6805         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
6806         (vect_gen_widened_results_half): Use build_call_expr.
6807         (vect_setup_realignment): Likewise.
6808         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
6810         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
6811         (pass_through_call): Likewise.
6812         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
6813         fold_builtin.
6815         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
6816         (tree_gen_pow2_profiler): Likewise.
6817         (tree_gen_one_value_profiler): Likewise.
6818         (tree_gen_ic_func_profiler): Likewise.
6819         (tree_gen_average_profiler): Likewise.
6820         (tree_gen_ior_profiler): Likewise.
6822         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
6823         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
6824         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6826         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
6827         of TREE_CODE_LENGTH.
6829         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
6830         of TREE_CODE_LENGTH.
6832         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
6833         constructor.
6834         (convert_to_integer): Likewise.
6836         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
6837         accessors.
6839 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6840             Brooks Moses  <brooks.moses@codesourcery.com>
6841             Lee Millward  <lee.millward@codesourcery.com>
6843         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
6844         accessors.
6845         * config/frv/frv.c (frv_expand_builtin): Likewise.
6846         * config/s390/s390.c (s390_expand_builtin): Likewise.
6848         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
6849         (sparc_expand_builtin): Use new CALL_EXPR accessors.
6851         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
6852         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
6853         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
6854         (ix86_expand_store_builtin): Likewise.
6855         (ix86_expand_unop_builtin): Likewise.
6856         (ix86_expand_unop1_builtin): Likewise.
6857         (ix86_expand_sse_compare): Likewise.
6858         (ix86_expand_sse_comi): Likewise.
6859         (ix86_expand_vec_init_builtin): Likewise.
6860         (ix86_expand_vec_ext_builtin): Likewise.
6861         (ix86_expand_vec_set_builtin): Likewise.
6862         (ix86_expand_builtin): Use new CALL_EXPR accessors.
6864         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
6865         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
6867         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
6868         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6869         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
6871         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
6872         build_call_expr.
6873         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
6874         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
6875         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6876         (altivec_expand_abs_builtin): Likewise.
6877         (rs6000_expand_binop_builtin): Likewise.
6878         (altivec_expand_predicate_builtin): Likewise.
6879         (altivec_expand_lv_builtin): Likewise.
6880         (spe_expand_stv_builtin): Likewise.
6881         (altivec_expand_stv_builtin): Likewise.
6882         (rs6000_expand_ternop_builtin): Likewise.
6883         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
6884         (altivec_expand_st_builtin): Likewise.
6885         (altivec_expand_dst_builtin): Likewise.
6886         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
6887         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6888         (altivec_expand_vec_set_builtin): Likewise.
6889         (altivec_expand_vec_ext_builtin): Likewise.
6890         (altivec_expand_builtin): Use new CALL_EXPR accessors.
6891         (spe_expand_builtin): Likewise.
6892         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
6893         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6894         (spe_expand_evsel_builtin): Likewise.
6895         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
6896         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
6898         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
6899         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6900         (arm_expand_unop_builtin): Likewise.
6901         (arm_expand_builtin): Use new CALL_EXPR accessors.
6903         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
6904         accessors.
6906         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
6907         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6908         (bfin_expand_unop_builtin): Likewise.
6909         (bfin_expand_builtin): Use new CALL_EXPR accessors.
6911 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6912             Brooks Moses  <brooks.moses@codesourcery.com>
6913             Lee Millward  <lee.millward@codesourcery.com>
6915         * c-semantics.c (build_stmt): Add internal diagnostic check.
6917         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
6918         accessors.  Print arguments explicitly instead of as a list.
6920         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
6922         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
6923         (c_finish_omp_flish): Likewise.
6925         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
6926         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
6927         instead of TREE_CODE_LENGTH.
6928         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
6929         (c_warn_unused_result): Likewise.
6931 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6933         PR c/26494
6934         * doc/invoke.texi (Warning Options): Remove
6935         -Werror-implicit-function-declaration.
6936         (Wimplicit-function-declaration): Update description.
6937         * opts.c (common_handle_option): Move handling of -Werror=* to...
6938         (enable_warning_as_error): ...here.
6939         * opts.h (enable_warning_as_error): Declare.
6940         * c-decl.c (implicit_decl_warning): Unless
6941         -Wno-implicit-function-declaration is given, emit a pedwarn if
6942         -std=c99 or emit a warning if -Wimplicit-function-declaration.
6943         * c.opt (Wimplicit-function-declaration): Replace
6944         mesg_implicit_function_declaration with
6945         warn_implicit_function_declaration.
6946         * c-opts.c (c_common_handle_option):
6947         -Werror-implicit-function-declaration is exactly equal as
6948         -Werror=implicit-function-declaration.
6949         (set_Wimplicit): Replace mesg_implicit_function_declaration with
6950         warn_implicit_function_declaration.
6951         (c_common_post_options): -Wimplict-function-declaration is enabled
6952         by default by -std=c99, otherwise is disabled by default.
6953         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
6955 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6957         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
6958         DECL on the rhs to a DECL on the lhs for debug info purposes if the
6959         former is ignored but not the latter.
6961 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6963         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
6964         is made and the reference doesn't use the alias set of its type,
6965         do not create the temporary using that type.
6967 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
6969         * jump.c: Remove prototypes for delete_computation and
6970         delete_prior_computation.
6972 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
6974         * jump.c (get_label_after): Delete.
6975         (get_label_before, delete_computation, delete_jump,
6976         delete_prior_computation, follow_jumps): Move...
6977         * reorg.c (delete_computation, delete_prior_computation): ... here...
6978         (get_label_before, delete_jump): ... making these static ...
6979         (follow_jumps): ... and simplifying this since it only runs after
6980         reload.
6981         * rtl.h (get_label_after, get_label_before, delete_jump,
6982         follow_jumps): Delete prototypes.
6984 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
6986         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
6988 2007-02-15  Nick Clifton  <nickc@redhat.com>
6990         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
6991         order to prevent it from being munged by the target.
6993 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
6995         * config/i386/i386.md: Remove misleading comment.
6997 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6999         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7000         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7001         invalid patterns.
7003 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7005         * tree-sra.c (instantiate_missing_elements): Canonicalize
7006         bit-field types.
7007         (sra_build_assignment): New.
7008         (generate_copy_inout, generate_element_copy,
7009         generate_element_zero, generate_one_element_init): Use it.
7011 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7013         * tree-sra.c (instantiate_missing_elements): Canonicalize
7014         bit-field types.
7015         (sra_build_assignment): New.
7016         (generate_copy_inout, generate_element_copy,
7017         generate_element_zero, generate_one_element_init): Use it.
7019 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7021         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7022         limbo die nodes.
7024 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7026         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7027         types as aggregates not scalars.
7028         * function.c (assign_stack_temp_for_type): Likewise.
7030 2007-02-14  Roger Sayle  <roger@eyesopen.com>
7031             Zdenek Dvorak  <dvorakz@suse.cz>
7033         * tree-dump.c (dump_switch_p_1): Require exact match of the option
7034         name.
7036 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
7038         * passes.c (next_pass_1): Clear the next field of the copied
7039         pass structure.
7041 2007-02-14  Richard Henderson  <rth@redhat.com>
7043         * tree-sra.c (early_sra): New.
7044         (decl_can_be_decomposed_p): Deny va_list if early_sra.
7045         (tree_sra_early, pass_sra_early): New.
7046         * tree-pass.h (pass_sra_early): Declare.
7047         * passes.c (init_optimization_passes): Use it.
7049 2007-02-14  Richard Guenther  <rguenther@suse.de>
7051         * flags.h (issue_strict_overflow_warning): Convert to a macro.
7053 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
7055          PR tree-optimization/30771
7056         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
7057         also phi nodes.
7058         (vect_analyze_operations): Induction phis can now be marked as
7059         used_in_loop.
7060         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
7061         Update documentation accordingly.
7063 2007-02-14  Nick Clifton  <nickc@redhat.com>
7065         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
7066         most 3 arguments are supported.
7067         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
7069 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
7071         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
7072         Ensure dst->current is valid.
7074 2007-02-13  Paul Brook  <paul@codesourcery.com>
7076         * config.gcc: Add arm*-*-uclinux-*eabi.
7077         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
7078         (SUBTARGET_EXTRA_LINK_SPEC): Define.
7079         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
7080         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
7081         (LINK_SPEC): Define.
7082         (LIB_SPEC): Define.
7083         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
7084         register.
7085         * config/arm/uclinux-eabi.h: New file.
7086         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
7087         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
7088         based targets.
7090 2007-02-13  Ian Lance Taylor  <iant@google.com>
7092         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
7093         * flags.h (warn_strict_overflow): Declare.
7094         (enum warn_strict_overflow_code): Define.
7095         (issue_strict_overflow_warning): New static inline function.
7096         * opts.c (warn_strict_overflow): New variable.
7097         (common_handle_option): Handle OPT_Wstrict_overflow and
7098         OPT_Wstrict_overflow_.
7099         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
7100         OPT_Wall.
7101         * fold-const.c: Include intl.h.
7102         (fold_deferring_overflow_warnings): New static variable.
7103         (fold_deferred_overflow_warning): New static variable.
7104         (fold_deferred_overflow_code): New static variable.
7105         (fold_defer_overflow_warnings): New function.
7106         (fold_undefer_overflow_warnings): New function.
7107         (fold_undefer_and_ignore_overflow_warnings): New function.
7108         (fold_deferring_overflow_warnings_p): New function.
7109         (fold_overflow_warning): New static function.
7110         (make_range): Add strict_overflow_p parameter.  Change all
7111         callers.
7112         (extract_muldiv, extract_muldiv_1): Likewise.
7113         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
7114         tree_expr_nonnegative_p.
7115         (fold_negate_expr): Call fold_overflow_warning.
7116         (fold_range_test): Likewise.
7117         (fold_comparison): Likewise.
7118         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
7119         instead of tree_expr_nonnegative_p.
7120         (tree_expr_nonnegative_warnv_p): Rename from
7121         tree_expr_nonnegative_p, add strict_overflow_p parameter.
7122         (tree_expr_nonnegative_p): New function.
7123         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
7124         strict_overflow_p parameter.
7125         (tree_expr_nonzero_p): New function.
7126         * passes.c (verify_interpass_invariants): New static function.
7127         (execute_one_pass): Call it.
7128         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
7129         warnings.
7130         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
7131         (estimate_numbers_of_iterations): Likewise.
7132         (scev_probably_wraps_p): Likewise.
7133         * tree-ssa-ccp.c: Include "toplev.h".
7134         (evaluate_stmt): Defer fold overflow warnings until we know we are
7135         going to optimize.
7136         (struct fold_stmt_r_data): Add stmt field.
7137         (fold_stmt_r): Defer fold overflow warnings until we know we
7138         optimized.
7139         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
7140         (fold_stmt_inplace): Likewise.
7141         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
7142         (cleanup_control_expr_graph): Defer fold overflow warnings until
7143         we know we are going to optimize.
7144         * tree-cfg.c (fold_cond_expr_cond): Likewise.
7145         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
7146         Likewise.
7147         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
7148         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
7149         * tree-ssa-loop-manip.c (create_iv): Likewise.
7150         * c-typeck.c (build_conditional_expr): Likewise.
7151         (build_binary_op): Likewise.
7152         * tree-vrp.c (vrp_expr_computes_nonzero): Call
7153         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
7154         (extract_range_from_unary_expr): Likewise.
7155         * simplify-rtx.c (simplify_const_relational_operation): Warn when
7156         assuming that signed overflow does not occur.
7157         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
7158         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
7159         (fold_defer_overflow_warnings): Declare.
7160         (fold_undefer_overflow_warnings): Declare.
7161         (fold_undefer_and_ignore_overflow_warnings): Declare.
7162         (fold_deferring_overflow_warnings_p): Declare.
7163         (tree_expr_nonzero_warnv_p): Declare.
7164         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
7165         of warning options.
7166         (Warning Options): Document -Wstrict-overflow.
7167         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
7168         (tree-ssa-ccp.o): Likewise.
7169         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
7170         (fold-const.o): Depend on intl.h.
7172 2007-02-13  Ian Lance Taylor  <iant@google.com>
7174         PR middle-end/30751
7175         * lower-subreg.c (resolve_simple_move): Decompose subregs in
7176         addresses.
7178 2007-02-13  Stuart Hastings  <stuart@apple.com>
7180         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
7182 2007-02-13  Richard Henderson  <rth@redhat.com>
7184         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
7185         handled_component_p before looking for the indirect_ref.
7187 2007-02-13  Richard Henderson  <rth@redhat.com>
7189         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
7190         remove flags clobber.
7191         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
7192         (bswaphi_lowpart): New.
7193         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
7194         remove TARGET_BSWAP test.  Delete expander of the same name.
7196         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
7197         (expand_unop): Use them.
7199 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
7201         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
7202         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
7203         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
7204         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
7205         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
7206         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
7207         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
7208         assembler dialect choice from asm templates.
7210 2007-02-12  Richard Henderson  <rth@redhat.com>
7212         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
7213         (fixuns_trunc<SSEMODEF>si2): Use it.
7214         * config/i386/sse.md (vec_setv4sf_0): Export.
7215         * config/i386/i386.c (ix86_build_const_vector): Export.
7216         (ix86_split_convert_uns_si_sse): Rename from
7217         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
7218         * config/i386/i386-protos.h: Update.
7220 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7222         PR c/29521
7223         * c-typeck.c (c_finish_return): Improve warning message.
7225 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7227         * alias.c (find_symbolic_term): Delete unused function.
7229 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
7231         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
7232         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
7233         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
7235 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7237         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
7238         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
7239         the function, temporarily point the debug interface to the null one.
7241 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7243         * dwarf2out.c (round_up_to_align): New static function.
7244         (field_byte_offset): Use it to round the offset.
7246 2007-02-12  Richard Henderson  <rth@redhat.com>
7248         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
7249         (inswl_const): Export.
7251 2007-02-12  Richard Henderson  <rth@redhat.com>
7253         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
7254         result mode of the libcall, convert back to outmode.
7256 2007-02-12  Roger Sayle  <roger@eyesopen.com>
7258         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
7259         (bswapdi2): New define_expand to implement 32-bit implementation.
7261 2007-02-12  Nick Clifton  <nickc@redhat.com>
7263         * doc/invoke.texi (Overall Options): Document --help=.
7264         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
7265         (cc1_options): Pass --help= on to cc1.
7266         (display_help): Add description of --help=.
7267         (process_command): Add code to handle --help=.  Allow translated
7268         --help and --target-help switches to be passed on to compiler
7269         sub-process.
7270         (main): Remove unused if statement.
7271         * opts.c (columns): Remove.
7272         (LEFT_COLUMN): Define.
7273         (wrap_help): Add columns argument.
7274         (print_filtered_help): Change parameters to be an include bitmask,
7275         an exclude bitmask, an any bitmask and the column width.  Move the
7276         code to display the params list here.  Add code to display the
7277         status of options rather than their descriptions if the quiet flag
7278         is not active.
7279         (print_specific_help): Change parameters to be an include bitmask,
7280         an exclude bitmask and an any bitmask.  Move code to look up the
7281         column width here.  Decide upon the title for an options listing.
7282         (common_handle_options): Add code to handle --help=.  Adapt code
7283         for --help and --target-help to use the revised form of the
7284         print_specific_help function.
7285         (print_help): Delete.
7286         (print_param_help): Delete.
7287         (print_switch): Delete.
7288         * opts.h (cl_lang_count): Add prototype.
7289         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
7290         CL_MAX_OPTION_CLASS): New defines.
7291         * optc-gen.awk: Add construction of cl_lang_count.
7292         * c.opt: Add Warning attribute to warning options and Optimization
7293         attribute to optimization options.
7294         * common.opt: Likewise.
7295         Add --help=.
7296         Add -fhelp and -ftarget-help as aliases for the transformed --help
7297         and --target-help options.
7298         * opt-functions.awk: Add code to handle Warning and Optimization
7299         attributes.
7301 2007-02-12  Richard Henderson  <rth@redhat.com>
7303         * config/alpha/constraints.md: New file.
7304         * config/alpha/alpha.c: Include tm-constrs.h.
7305         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
7306         alpha_extra_constraint): Remove.
7307         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
7308         * config/alpha/alpha-protos.h: Update.
7309         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
7310         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
7311         (EXTRA_CONSTRAINT): Remove.
7312         * config/alpha/alpha.md: Include constraints.md.
7313         (adddi splitter): Use satisfies_constraint_*.
7314         * config/alpha/predicates.md (add_operand): Likewise.
7315         (sext_add_operand, addition_operation): Likewise.
7317 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
7319         PR tree-optimization/29145
7320         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
7321         in our handling of restrict qualified pointers.
7323 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7325         PR middle-end/7651
7326         * doc/invoke.texi (Wunused-value): Update description.
7327         (Wextra): Delete item.
7328         * opts.c (set_Wextra): Don't use the value of Wextra to set the
7329         value of Wunused-value.
7330         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
7331         (c_finish_stmt_expr): Don't check extra_warnings.
7332         (emit_side_effect_warnings): The caller is responsible to check
7333         warn_unused_value.
7335 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7336             Matt Thomas  <matt@3am-software.com>
7338         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
7340 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7342         * simplify-rtx.c (simplify_relational_operation_1): Optimize
7343         comparisons of POPCOUNT against zero.
7344         (simplify_const_relational_operation): Likewise.
7346 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7348         * doc/invoke.texi (Wextra): Delete outdated paragraph.
7350 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7352         * dwarf2out.c (root_type): Delete unused function.
7354 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7356         * genattrtab.c (contained_in_p): Delete unused function.
7357         (write_expr_attr_cache): Likewise.
7359 2007-02-11  Jan Hubicka  <jh@suse.cz>
7361         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
7362         previous patch.
7364 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
7366         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
7367         to add the REG_EQ* note.
7368         * see.c (see_merge_one_use_extension): Likewise.
7369         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
7370         turn REG_EQUAL notes into REG_EQUIV notes if the target
7371         register may have more than one set.
7372         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
7373         * gcse.c (try_replace_reg): Likewise.
7374         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
7375         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
7376         more than one REG_EQUIV note.
7377         * reload1.c (gen_reload): Use set_unique_reg_note.
7379 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
7381         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
7382         (ix86_builtin_conversion): New function.
7384 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
7386         PR target/29487
7387         * tree.h (DECL_REPLACEABLE_P): New macro.
7388         * except.c (set_nothrow_function_flags): Likewise.
7390 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
7391             Ira Rosen  <irar@il.ibm.com>
7392             Dorit Nuzman  <dorit@il.ibm.com>
7394         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
7395         * targhooks.c (default_builtin_vectorized_conversion): New.
7396         * targhooks.h (default_builtin_vectorized_function): New declaration.
7397         * target.h (struct vectorize): Add builtin_conversion field.
7398         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
7399         stmt_vec_info_type value.
7400         (vectorizable_conversion): New declaration.
7401         * tree-vect-analyze.c (vect_analyze_operations): Add
7402         vectorizable_conversion call.
7403         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
7404         * tree-vect-transform.c (vectorizable_conversion): New function.
7405         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
7406         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
7407         mode.
7408         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
7409         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
7410         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
7411         or ALTIVEC_BUILTIN_VCFSX.
7413 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7415         PR target/30634
7416         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
7417         CONST_DOUBLE and operand 0 is a hard register.
7418         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
7419         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
7420         is a hard floating-point register.
7422 2007-02-10  Richard Henderson  <rth@redhat.com>
7423             Jakub Jelinek  <jakub@redhat.com>
7424             Alexandre Oliva  <aoliva@redhat.com>
7426         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
7427         * builtin-types.def (BT_WORD): Make unsigned.
7428         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7429         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7430         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7431         * c-decl.c (grokdeclarator): Don't error if !have_tls.
7432         * c-parser.c (c_parser_omp_threadprivate): Likewise.
7433         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7434         emulated tls.
7435         * expr.c (emutls_var_address): New.
7436         (expand_expr_real_1): Expand emulated tls.
7437         (expand_expr_addr_expr_1): Likewise.
7438         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7439         * output.h (emutls_finish): Declare.
7440         * toplev.c (compile_file): Call it.
7441         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7442         address before wrapping in CONST.
7443         * varasm.c (emutls_htab, emutls_object_type): New.
7444         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7445         (get_emutls_object_name, get_emutls_object_type): New.
7446         (get_emutls_init_templ_addr, emutls_decl): New.
7447         (emutls_common_1, emutls_finish): New.
7448         (assemble_variable): When emulating tls, swap decls; generate
7449         constructor for the emutls objects.
7450         (do_assemble_alias): When emulating tls, swap decl and target name.
7451         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7452         for emulated tls.
7453         * varpool.c (decide_is_variable_needed): Look at force_output.
7454         Recurse for emulated tls.
7455         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
7456         with decide_is_variable_needed.
7457         * emutls.c: New file.
7458         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7459         tls_object for real tls.
7461 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
7463         PR rtl-optimization/29599
7464         * reload1.c (eliminate_regs_in_insn): Take the destination
7465         mode into account when computing the offset.
7467 2007-02-09  Stuart Hastings  <stuart@apple.com>
7468             Richard Henderson  <rth@redhat.com>
7470         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7471         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7472         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
7473         fixuns_truncdfhi2): New.
7474         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
7475         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
7476         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
7477         (floatunssidf2): Allow nonimmediate source.
7478         * config/i386/sse.md (movdi_to_sse): New.
7479         (vec_concatv2di): Drop '*'.
7480         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
7481         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7482         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
7483         New.
7484         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
7485         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7486         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
7487         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
7488         (ix86_build_signbit_mask): Fix decl of v, refactor to call
7489         ix86_build_const_vector.
7490         (x86_emit_floatuns): Rewrite.
7492 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7494         * genautomata.c (longest_path_length): Delete unused function.
7495         (struct state): Delete unused longest_path_length.
7496         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
7497         (get_free_state): Delete unused.
7499 2007-02-09  Jan Hubicka  <jh@suse.cz>
7501         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
7502         * doc/invoke.texi (inline-unit-growth): Update default value.
7504         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
7505         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
7506         (rebuild_cgraph_edges): Likewise.
7507         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
7508         (dump_cgraph_node): Dump frequencies.
7509         (cgraph_clone_edge): Add frequency scales.
7510         (cgraph_clone_node): Add freuqnecy.
7511         * cgraph.h (cgraph_edge): Add freuqnecy argument.
7512         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
7513         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
7514         * tree-pass.h (TODO_rebuild_frequencies): New constant.
7515         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
7516         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
7517         (save_inline_function_body): Likewise.
7518         * ipa-inline.c: inluce rtl.h
7519         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
7520         (cgraph_edge_badness): Use frequencies.
7521         (cgraph_decide_recursive_inlining): Update clonning.
7522         (cgraph_decide_inlining_of_small_function): Dump frequency.
7523         * predict.c (estimate_bb_frequencies): Export.
7524         * predict.h (estimate_bb_frequencies): Declare.
7525         * tree-inline.c (copy_bb): Watch overflows.
7526         (expand_call_inline): Update call of cgraph_create_edge.
7527         (optimize_inline_calls): Use TODO flags to update frequnecies.
7528         * passes.h: Include predict.h
7529         (init_optimization_passes): Move profile ahead.
7530         (execute_function_todo): Handle TODO_rebuild_frequencies.
7532 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7534         * config/alpha/alpha.c (emit_insxl): Force the first operand of
7535         the insbl or inswl pattern into a register.
7537 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7539         * config/ia64/ia64.md (bswapdi2): New define_insn.
7541 2007-02-09  Richard Henderson  <rth@redhat.com>
7543         * config/i386/constraints.md (Ym): New constraint.
7544         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
7545         (movdi_1_rex64): Split sse and xmm general register moves from
7546         memory move alternatives.  Use conditional register constraints.
7547         (movsf_1, movdf_integer): Likewise.
7548         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
7549         (movdf_integer_rex64): New.
7550         (pushsf_rex64): Fix output constraints.
7551         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
7552         (sse2_stored): Likewise.
7553         (sse2_storeq_rex64): New.
7554         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
7555         amd and not generic.
7556         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
7557         for optimize_size.  Remove SF/DFmode hack.
7559 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7561         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
7562         (bit_SSE4a): New.
7564 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
7565             Richard Sandiford  <richard@codesourcery.com>
7567         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
7568         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
7569         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
7570         m68k/t-mlib to tmake_file.
7571         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
7572         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
7573         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
7574         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
7575         variable is not empty, add t-$m68k_arch_family to tmake_file.
7576         Add t-mlibs to tmake_file.
7577         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
7578         * config/m68k/t-cf: New file.
7579         * config/m68k/t-m68k: Likewise.
7580         * config/m68k/t-mlibs: Likewise.
7581         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7582         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7583         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7584         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7585         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
7586         Delete.
7587         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
7588         (INSTALL_LIBGCC): Delete.
7589         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7590         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7591         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7592         (M68K_MLIB_CPU): Define.
7593         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7594         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7595         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
7597 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
7598             Richard Guenther  <rguenther@suse.de>
7600         PR middle-end/23361
7601         * fold-const.c (fold_comparison): Handle obfuscated comparisons
7602         against INT_MIN/INT_MAX.
7603         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
7604         file if a loop is removed.
7606 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
7608         * calls.c (store_one_arg): Pass correct alignment to
7609         emit_push_insn for non-BLKmode values.
7610         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
7611         unaligned stack slot via a suitably aligned slot.
7613 2007-02-08  DJ Delorie  <dj@redhat.com>
7615         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
7616         warnings.
7617         (legal_subregs): Use unsigned char, make const.
7618         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
7620 2007-02-08  Paul Brook  <paul@codesourcery.com>
7622         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
7623         special interworking needed.
7625 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
7627         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
7628         conditional to __SSE2__.
7629         (Entries below should have been added to first ChangeLog
7630         entry for amdfam10 dated 2007-02-05)
7631         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
7632         defined.
7633         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
7634         defined.
7635         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
7636         defined.
7638 2007-02-08  DJ Delorie  <dj@redhat.com>
7640         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
7641         * config/m32c/m32c.c (legal_subregs): New.
7642         (m32c_illegal_subreg_p): New.
7643         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
7644         unsupported subregs of hard regs.
7646 2007-02-08  Jan Hubicka  <jh@suse.cz>
7648         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
7649         the same one; always update histograms.
7651 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
7653         * passes.c (init_optimization_passes): Tidy comment.
7655 2007-02-08  Roger Sayle  <roger@eyesopen.com>
7657         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
7658         strip zero_extend, bswap and rotates from POCOUNT's argument.
7659         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
7660         zero_extend and rotates from PARITY's argument.
7661         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
7662         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
7663         of an integer constant at compile-time.
7665 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
7667         PR 30562
7668         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
7669         Update all users.
7670         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
7671         users.
7672         (init_alias_info):
7673         * tree-ssa-live.c (remove_unused_locals): Do not remove
7674         TREE_ADDRESSABLE variables.
7675         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
7676         * tree-ssa-operands.c (add_virtual_operand): Remove argument
7677         FOR_CLOBBER.  Update all users.
7678         If VAR has an associated alias set, add a virtual operand for
7679         it if no alias is found to conflict with the memory reference.
7681 2007-02-07  Jan Hubicka  <jh@suse.cz>
7682             Robert Kidd <rkidd@crhc.uiuc.edu>
7684         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
7686 2007-02-07  Ian Lance Taylor  <iant@google.com>
7688         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
7690 2007-02-07  Roger Sayle  <roger@eyesopen.com>
7692         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
7693         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
7694         tablejumpdi, movsi_to_cr_one): Remove constraints from
7695         define_expand's match_operands.
7697 2007-02-07  Roger Sayle  <roger@eyesopen.com>
7699         * global.c (compute_regsets): Move declatation of "i" inside of
7700         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
7702 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
7704         PR c++/30703
7705         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
7706         of INDIRECT_REF <RESULT_DECL>.
7708         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
7710 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
7711             Kaz Kojima  <kkojima@gcc.gnu.org>
7713         PR target/29746
7714         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
7715         properly.
7716         (sh_initialize_trampoline): Add parentheses to avoid a warning.
7718 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
7720         * doc/loop.texi: Document possibility not to perform disambiguation
7721         of loops with multiple latches.
7722         * cfgloopmanip.c (alp_enum_p): Removed.
7723         (add_loop): Handle subloops.  Use get_loop_body_with_size.
7724         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
7725         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
7726         the new forwarder block.
7727         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
7728         Handle the case latch is NULL.
7729         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
7730         when marking loop exits.
7731         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
7732         be modified.
7733         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
7734         disambiguate_loops_with_multiple_latches.
7735         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
7736         before fix_loop_structure.
7737         * cfgloop.c: Include pointer-set.h and output.h.
7738         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
7739         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
7740         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
7741         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
7742         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
7743         disambiguate_multiple_latches, get_loop_body_with_size,
7744         disambiguate_loops_with_multiple_latches): New functions.
7745         (flow_loop_dump): Dump multiple latch edges.
7746         (flow_loop_nodes_find): Handle loops with multiple latches.
7747         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
7748         (glb_enum_p): Modified.
7749         (get_loop_body): Use get_loop_body_with_size.
7750         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
7751         (AVOID_CFG_MODIFICATIONS): New constant.
7752         (disambiguate_loops_with_multiple_latches, add_loop,
7753         get_loop_body_with_size): Declare.
7754         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
7756 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
7758         PR inline-asm/28686
7759         * global.c (compute_regsets): New function.
7760         (global_alloc): Refactored ELIMINABLE_REGSET
7761         and NO_GLOBAL_ALLOC_REGS computation out.
7762         (rest_of_handle_global_alloc): Call compute_regsets()
7763         for non-optimizing case.
7765 2007-02-06  Richard Henderson  <rth@redhat.com>
7767         * config/i386/constraints.md (Y2): Rename from Y.
7768         (Yi): New constraint.
7769         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
7770         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
7771         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
7772         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
7773         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
7774         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
7775         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
7776         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
7777         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
7778         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
7779         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
7780         vec_extractv2si_1): Change Y constraints to Y2.
7781         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
7782         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
7783         Change Y constraints to Y2.
7784         (sse2_loadld): Change Y constraints to x.
7786 2007-02-06  Roger Sayle  <roger@eyesopen.com>
7788         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
7789         (parity<mode>2): New define_expand using rs6000_emit_parity.
7790         * config/rs6000/rs6000.c (rs6000_emit_popcount,
7791         rs6000_emit_parity): New functions.
7792         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
7793         rs6000_emit_parity): Prototype here.
7795 2007-02-06  Ian Lance Taylor  <iant@google.com>
7797         * lower-subreg.c (simple_move_operand): Reject CONST.
7798         (resolve_clobber): Call validate_change rather than directly
7799         assigning to XEXP (pat, 0).
7801 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
7803         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
7804         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
7805         (tree-cfg.o): Remove hashtab.h dependency.
7807         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
7808         (struct ivopts_data): Change niters to pointer_map_t.
7809         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
7810         (niter_for_exit): Create pointer_map on demand.  Change for
7811         pointer_map API.
7812         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
7813         (free_loop_data): Destroy data->niters if created and reset field.
7814         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
7815         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
7817         * tree-ssa-reassoc.c: Include pointer-set.h.
7818         (bb_rank): Change to long *.
7819         (operand_rank): Change to pointer_map_t.
7820         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
7821         (insert_operand_rank): Accept long.
7822         (operand_entry_hash, operand_entry_eq): Remove.
7823         (get_rank): Return long.  Adjust for changes above.
7824         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
7825         and operand_rank.
7826         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
7828         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
7829         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
7830         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
7831         is not NULL.
7832         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
7833         directly since it cannot be NULL.
7834         (get_vi_for_tree): Rewrite for pointer_map API.
7835         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
7836         (init_alias_vars): Create vi_for_tree as pointer_map.
7837         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
7839         * tree-cfg.c: Don't include hashtab.h.
7840         (edge_to_cases): Declare as pointer_map.
7841         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
7842         Delete.
7843         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
7844         (start_recording_case_labels): Create edge_to_cases as pointer_map.
7845         (end_recoding_case_labels): Cleanup edge_to_cases manually before
7846         destroying it.
7847         (record_switch_edge): Delete.
7848         (get_cases_for_edge): Adjust for pointer_map API, inline
7849         record_switch_edge (rewritten for new API), remove goto.
7851 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
7853         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
7854         * tree-nested.c: Include pointer-set.h.
7855         (var_map_elt, var_map_eq, var_map_hash): Delete.
7856         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
7857         to pointer_map_t's.
7858         (nesting_info_bitmap_obstack): New.
7859         (lookup_field_for_decl): Adjust for pointer_map API.
7860         (lookup_tramp_for_decl): Adjust for pointer_map API.
7861         (get_nonlocal_debug_decl): Adjust for pointer_map API.
7862         (get_local_debug_decl): Adjust for pointer_map API.
7863         (convert_nl_goto_reference): Adjust for pointer_map API.
7864         (convert_nl_goto_receiver): Adjust for pointer_map API.
7865         (create_nesting_tree): Create outside GGC space.  Create bitmap on
7866         the new obstack.  Create field_map and var_map as pointer_maps.
7867         (free_nesting_tree): Adjust for changes to create_nesting_tree.
7868         (root): Delete.
7869         (lower_nested_functions): Move root here, no need to NULL it.
7870         Initialize and release the obstack.
7872 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
7874         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
7875         Remove prototypes and make them non-static.
7876         (struct tree_int_map): Remove.
7877         * tree.h (struct tree_int_map): Move here, turning TO into an
7878         unsigned int.
7879         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
7881         * tree.h (TREE_COMPLEXITY): Remove.
7882         (struct tree_exp): Remove complexity field.
7883         * tree.c (build1_stat): Don't set it.
7885 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
7886             Victor Kaplansky  <victork@il.ibm.com>
7888         * tree-vectorizer.c (vect_is_simple_use): Support induction.
7889         (vect_is_simple_reduction): Support reduction with induction as
7890         one of the operands.
7891         (vect_is_simple_iv_evolution): Fix formatting.
7892         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
7893         formatting.  Don't mark induction phis for vectorization.
7894         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
7895         * tree-vect-transform.c (get_initial_def_for_induction): New function.
7896         (vect_get_vec_def_for_operand): Support induction.
7897         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
7898         induction case.
7899         (vectorizable_reduction): Support reduction with induction as one of
7900         the operands.
7901         (vectorizable_type_demotion): Use def-type of stmt argument rather
7902         than dummy def-type.
7904         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
7905         flag_tree_scev_cprop.
7906         * common.opt (tree-scev-cprop): New flag.
7908         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
7909         call to vect_get_new_vect_var.
7911 2007-02-06  Ira Rosen  <irar@il.ibm.com>
7913         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
7914         vectype is not NULL.
7915         (vect_pattern_recog_1): Likewise.
7917 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7919         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
7920         (fold_negate_expr): Likewise.
7922 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
7924         PR debug/30189
7925         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
7926         even if cv-qualification is the same.
7928 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
7930         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
7931         __enable_execute_stack on completion.
7933 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7935         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
7936         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
7937         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
7938         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
7939         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
7940         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
7941         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
7942         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
7944 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7946         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
7947         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
7948         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
7949         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
7950         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
7951         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
7952         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
7953         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
7954         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
7955         umuldi3_highpart_rex64, umulsi3_highpart_insn,
7956         umulsi3_highpart_zext, smuldi3_highpart_rex64,
7957         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
7958         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
7959         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
7960         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
7961         sqrtextenddfxf2_i387): Added amdfam10_decode.
7963         * config/i386/athlon.md (athlon_idirect_amdfam10,
7964         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
7965         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
7966         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
7967         athlon_ivector_store_amdfam10): New define_insn_reservation.
7968         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
7969         amdfam10.
7971 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7973         * config/i386/athlon.md (athlon_call_amdfam10,
7974         athlon_pop_amdfam10, athlon_lea_amdfam10): New
7975         define_insn_reservation.
7976         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
7977         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
7978         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
7980 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7982         * config/i386/athlon.md (athlon_sseld_amdfam10,
7983         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
7984         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
7986 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7988         * config/i386/athlon.md (athlon_sseins_amdfam10): New
7989         define_insn_reservation.
7990         * config/i386/i386.md (sseins): Added sseins to define_attr type
7991         and define_attr unit.
7992         * config/i386/sse.md: Set type attribute to sseins for insertq
7993         and insertqi.
7995 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7997         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
7998         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
7999         ssecomi_load_amdfam10, ssecomi_amdfam10,
8000         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8001         define_insn_reservation.
8002         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8004 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8006         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8007         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8008         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8009         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8010         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8011         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8012         define_insn_reservation.
8014         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8015         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8016         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8017         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8018         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8020 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8022         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8023         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8024         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8025         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8026         athlon_ssemul_load_k8): Added amdfam10.
8028 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8030         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8031         (x86_sse_unaligned_move_optimal): New variable.
8033         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8034         m_AMDFAM10.
8035         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8036         for unaligned vector SSE double/single precision loads for AMDFAM10.
8038 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8040         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8041         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8042         Define TARGET_CPU_DEFAULT_amdfam10.
8043         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8044         (processor_type): Add PROCESSOR_AMDFAM10.
8046         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8047         processor_type in config/i386/i386.h.
8048         Enable imul peepholes for TARGET_AMDFAM10.
8050         * config.gcc: Add support for --with-cpu option for amdfam10.
8052         * config/i386/i386.c (amdfam10_cost): New variable.
8053         (m_AMDFAM10): New macro.
8054         (m_ATHLON_K8_AMDFAM10): New macro.
8055         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8056         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
8057         x86_promote_QImode, x86_integer_DFmode_moves,
8058         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8059         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
8060         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
8061         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
8062         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
8063         Enable/disable for amdfam10.
8064         (override_options): Add amdfam10_cost to processor_target_table.
8065         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
8066         processor_alias_table.
8067         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
8068         (ix86_adjust_cost): Add code for amdfam10.
8070 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8072         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
8073         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
8074         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
8075         * config/i386/i386.h: Add builtin definition for SSE4A.
8076         * config/i386/i386.md: Add support for ABM instructions
8077         (popcnt and lzcnt).
8078         * config/i386/sse.md: Add support for SSE4A instructions
8079         (movntss, movntsd, extrq, insertq).
8080         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
8081         Add -march=amdfam10 flag.
8082         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
8083         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
8084         and amdfam10.
8085         * doc/extend.texi: Add documentation for SSE4A builtins.
8087 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
8089         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
8091 2007-02-05  Richard Guenther  <rguenther@suse.de>
8093         * tree-vectorizer.h (vectorizable_function): Add argument type
8094         argument, change return type.
8095         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
8096         * tree-vect-transform.c (vectorizable_function): Handle extra
8097         argument, return vectorized function decl.
8098         (build_vectorized_function_call): Remove.
8099         (vectorizable_call): Handle calls with result and argument types
8100         differing.  Handle loop vectorization factor correctly.
8101         * targhooks.c (default_builtin_vectorized_function): Adjust for
8102         extra argument.
8103         * targhooks.h (default_builtin_vectorized_function): Likewise.
8104         * target.h (builtin_vectorized_function): Add argument type
8105         argument.
8106         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
8107         extra argument, allow vectorizing of lrintf.
8108         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
8109         documentation of target hook.
8111 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
8113         PR target/30665
8114         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
8115         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
8116         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
8118 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8120         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
8121         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
8122         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
8123         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
8124         before canonicalizing sincos to cexpi.
8125         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
8127 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8129         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
8130         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
8131         (alpha_init_builtins): Use alpha_add_builtins to process tables.
8133 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8135         * mips-tfile.c (initialize_init_file): Correct endianness test.
8137 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
8139         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
8140         the 'y' constraint.
8142 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8144         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
8145         saves in a PARALLEL before the register assignments.
8147 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8149         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
8150         DWARF_FRAME_RETURN_COLUMN to be a general register.
8151         * dwarf2out.c (init_return_column_size): New function, split from...
8152         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
8153         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
8154         to be nongeneral registers.
8155         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
8156         integer registers.
8157         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
8158         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
8160 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8162         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
8164 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8166         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
8167         (remove_path): Use can_remove_branch_p and remove_branch instead
8168         of loop_delete_branch_edge.
8169         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
8170         (tree_transform_and_unroll_loop): Remove dead branches immediately.
8171         Update profile using scale_dominated_blocks_in_loop.
8172         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
8173         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
8174         (can_remove_branch_p, remove_branch): Declare.
8175         * tree-cfg.c (tree_can_remove_branch_p): New function.
8176         (tree_cfg_hooks): Add tree_can_remove_branch_p.
8177         * cfgrtl.c (rtl_can_remove_branch_p): New function.
8178         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
8180 2007-02-05  Jan Hubicka  <jh@suse.cz>
8182         PR middle-end/30696
8183         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
8184         nodes in cgraph, don't remove offline copy of the function.
8186 2007-02-04  Jan Hubicka  <jh@suse.cz>
8188         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
8189         vectors might cause maybe_lookup_element_for_expr to be called
8190         on non-sra-candidate.
8192 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8194         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
8195         config/bfin/bfin.md, config/bfin/predicates.md: Follow
8196         spelling conventions.
8198 2007-02-04  Richard Guenther  <rguenther@suse.de>
8200         PR middle-end/30636
8201         * fold-const.c (try_move_mult_to_index): Make sure to not
8202         overflow one dimension of a multi-dimensional array access.
8204 2007-02-04  Jan Hubicka  <jh@suse.cz>
8206         * passes.c (init_optimization_passes): Reindent.
8208 2007-02-04  Jan Hubicka  <jh@suse.cz>
8209             Eric Botcazou  <ebotcazou@adacore.com>
8211         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
8212         (execute_fixup_cfg): Break out the abnormal goto code.
8213         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
8214         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
8215         (optimize_inline_calls): Call make_nonlocal_label_edges.
8217 2007-02-04  Jan Hubicka  <jh@suse.cz>
8219         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
8220         true when something was changed.
8221         (rename_ssa_copies): When something was changed, do
8222         TODO_remove_unused_locals.
8223         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8224         add TODO_remove_unused_locals when instruction was removed.
8226 2007-02-04  Jan Hubicka  <jh@suse.cz>
8228         * ipa-inline.c (try_inline): Improve debug output; work on already
8229         inline edges too.
8230         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
8231         call try_inline for already inlined edges too when flattening;
8232         inline also functions that make callee growth but overall unit size
8233         reduce.
8235 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8237         * config/m32c/bitops.md, config/m32c/jump.md,
8238         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
8239         config/m32r/m32r.h, config/m32r/m32r.md,
8240         config/m32r/predicates.md, config/m68hc11/larith.asm,
8241         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
8242         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
8243         config/mips/mips-protos.h, config/mips/mips.c,
8244         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
8245         config/mn10300/mn10300.h, config/mn10300/predicates.md,
8246         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
8247         spelling conventions.
8249         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
8250         Follow spelling conventions.
8252 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
8254         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
8255         warn about C++0x compatibility.
8257 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8259         * config/h8300/h8300.c, config/h8300/h8300.h,
8260         config/h8300/h8300.md: Follow spelling conventions.
8262 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
8264         PR middle-end/30667
8265         * combine.c (try_combine): Do not substitute source operand
8266         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
8268 2007-02-03  Jan Hubicka  <jh@suse.cz>
8270         PR gcov-profile/30650
8271         * value-prof.c (stringop_block_profile): Fix handling of size counter;
8272         do not divide by zero for never executed counters.
8273         (tree_find_values_to_profile): Fix counters.
8274         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
8276 2007-02-03  Ian Lance Taylor  <iant@google.com>
8278         * lower-subreg.c (simple_move_operand): New static function,
8279         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
8280         operands.
8281         (simple_move): Call simple_move_operand.
8282         (find_decomposable_subregs): Add special handling of MEMs.
8283         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
8284         meaning of return value.  If we see a hard register, test whether
8285         it can store a word_mode value.  Change all callers.
8287 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8289         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
8290         ftrapv insns and expanders.
8291         (subdi3): Change define_expand operand 1 to arith11_operand, and
8292         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
8293         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
8294         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
8295         respectively.
8297         PR middle-end/30174
8298         * varasm.c (notice_global_symbol): Treat global objects as weak when
8299         flag_shlib is true.
8301 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8303         * emit-rtl.c (dconstpi): Delete.
8304         (dconstsqrt2): New.
8305         (init_emit_once): Delete dconstpi and init dconstsqrt2.
8306         * real.h (dconstpi): Delete.
8307         (dconstsqrt2): New.
8308         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
8309         (fold_builtin_hypot): Likewise.
8311 2007-02-03  Tom Tromey  <tromey@redhat.com>
8313         PR driver/30246
8314         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
8315         -gcoff3, -gxcoff3, -gvms3 implies -dD.
8317 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
8319         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
8320         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
8321         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
8322         config/rs6000/cell.md, config/rs6000/darwin.h,
8323         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
8324         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
8325         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
8326         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
8327         typos.  Follow spelling conventions.
8328         * doc/invoke.texi: Follow spelling conventions.
8330 2007-02-03  Roger Sayle  <roger@eyesopen.com>
8332         * simplify-rtx.c (simplify_relational_operation_1): Implement some
8333         canonicalization transformations that attempt to simplify integer
8334         constant comparisons to become comparisons against zero.
8336 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8338         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
8339         fabs(x)*sqrt(2).
8340         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
8341         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
8343 2007-02-02  Mike Stump  <mrs@apple.com>
8345         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
8346         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
8347         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
8348         generate a branch island.
8350 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
8352         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
8353         (xtensa_legitimate_address_p): New.
8354         (xtensa_legitimize_address): New.
8355         (xtensa_output_addr_const_extra): New.
8356         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
8357         (BASE_REG_P): New.
8358         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
8359         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
8360         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
8361         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
8362         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
8363         (xtensa_legitimize_address): New.
8364         (xtensa_output_addr_const_extra): New.
8366 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
8368         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
8370 2007-02-02  Ian Lance Taylor  <iant@google.com>
8372         * expmed.c (expand_divmod): Add comment.
8374 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
8376         * emit-rtl.c (renumber_insns): Remove.
8377         * flags.h: Remove the extern for flag_renumber_insns.
8378         * rtl.h: Remove the prototype for renumber_insns.
8379         * toplev.c (flag_renumber_insns): Remove.
8381 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
8383         Revert for x86 darwin:
8384         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
8386         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
8387         code before the following patch under TARGET_MACHO.
8388         (ix86_function_value_regno_p): Likewise.
8390 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8392         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
8393         COMPLEX_EXPR.
8395 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8397         PR target/29682
8398         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
8399         general or fp registers.  Add comments.
8400         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
8402 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
8404         * pointer-set.c (insert_aux): Only return insertion slot.
8405         (pointer_set_insert): Adjust.
8406         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
8407         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
8408         pointer_map_traverse): New.
8409         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
8410         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
8411         pointer_map_contains, pointer_map_traverse): Declare.
8413 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
8415         PR middle-end/30473
8416         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
8417         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
8419 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8421         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
8423         (struct _dep): New type.
8424         (dep_t): New typedef.
8425         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
8426         (DEP_STATUS): New access macro.  The macro with the same name was
8427         renamed to DEP_LINK_STATUS.
8428         (dep_init): Declare function
8430         (struct _dep_link): New type.
8431         (dep_link_t): New typedef.
8432         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
8433         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
8434         (DEP_LINK_STATUS): New macro.
8435         (debug_dep_links): New debug function.
8437         (struct _deps_list): New type.
8438         (deps_list_t): New typedef.
8439         (DEPS_LIST_FIRST): New access macro.
8440         (FOR_EACH_DEP_LINK): New cycle macro.
8441         (create_deps_list, free_deps_list, delete_deps_list): Declare
8442         functions.
8443         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
8444         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
8445         (copy_deps_list_change_con): Ditto.
8447         (move_dep_link): Declare function.
8449         (struct _dep_node): New type.
8450         (dep_node_t): New typedef.
8451         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
8453         (struct haifa_insn_data.back_deps): New field to hold backward
8454         dependencies of the insn.
8455         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
8456         to deps_list_t.
8457         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
8458         Change its type to deps_list_t.
8459         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
8460         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
8461         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
8463         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
8465         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
8467         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
8468         all callers.
8469         (dep_cost): Declare.
8471         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
8472         (ds_to_dk, dk_to_ds): New functions.
8474         (init_dep_1): New static function.
8475         (init_dep): New function.
8476         (copy_dep): New static function.
8478         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
8479         functions.
8480         (detach_dep_link): New static function.
8481         (move_dep_link): New function.
8483         (dep_links_consistent_p, dump_dep_links): New static functions.
8484         (debug_dep_links): New debugging function.
8486         (deps_obstack, dl_obstack, dn_obstack): New static variables.
8488         (alloc_deps_list, init_deps_list): New static functions.
8489         (create_deps_list): New function.
8490         (clear_deps_list): New static function.
8491         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
8492         (deps_list_consistent_p, dump_deps_list): New static functions.
8493         (debug_deps_list): New function.
8494         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
8495         functions.
8496         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
8498         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
8499         use new scheduler dependencies lists.
8500         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
8501         (sched_analyze): Ditto.  Initialize dependencies lists.
8502         (add_forw_dep, compute_forward_dependences): Update to use new
8503         scheduler dependencies lists.
8505         (init_dependency_caches): Init deps_obstack.
8506         (free_dependency_caches): Free deps_obstack.
8508         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
8509         new scheduler dependencies lists.
8510         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
8511         (add_back_forw_dep, delete_back_forw_dep): Ditto.
8513         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
8514         Update to use new scheduler dependencies lists.
8515         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
8516         (debug_dependencies): Ditto.
8517         (schedule_region): Update comments.
8519         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
8520         scheduler dependencies lists.
8521         (schedule_ebb): Update comments.
8523         * rtl.def (DEPS_LIST): Remove.
8525         * lists.c (unused_deps_list): Remove.
8526         (free_list): Update assertions.
8528         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
8529         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8531         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
8532         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8534         * haifa-sched.c (comments): Update.
8535         (insn_cost1): Remove.  Inline the code into insn_cost ().
8536         (insn_cost): Update to use new scheduler dependencies lists.  Move
8537         processing of the dependency cost to dep_cost ().
8538         (dep_cost): New function.  Use it instead of insn_cost () when
8539         evaluating cost of the dependency.  Use compatible interface to
8540         interact with the target.
8541         (priority): Update to use new scheduler dependencies lists.
8542         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
8543         with greater number of insns that depend on the insn.
8544         (schedule_insn): Update to use new scheduler dependencies lists.  Add
8545         code to free backward dependencies lists.  Inline and optimize code
8546         from resolve_dep () - see PR28071.
8547         (ok_for_early_queue_removal): Update to use new scheduler dependencies
8548         lists.  Update call to targetm.sched.is_costly_dependence hook.
8550         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
8551         scheduler dependencies lists.
8553         (resolve_dep): Remove.  Move the logic to schedule_insn ().
8554         (init_h_i_d): Initialize dependencies lists.
8556         (process_insn_depend_be_in_spec): Rename to
8557         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
8558         dependencies lists.
8559         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
8560         Update to use new scheduler dependencies lists.
8561         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
8563         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
8564         new scheduler dependencies lists.
8565         (build_intra_loop_deps): Ditto.
8567         * target.h (struct _dep): Declare to use in
8568         gcc_target.sched.is_costly_dependence.
8569         (struct gcc_target.sched.adjust_cost): Fix typo.
8570         (struct gcc_target.sched.is_costly_dependence): Change signature to use
8571         single dep_t parameter instead of an equivalent triad.
8572         (struct gcc_target.sched.adjust_cost_2): Remove.
8574         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
8576         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
8578         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
8579         documentation.
8580         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
8582         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
8583         (REG_DEP_TRUE): Document.
8585         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
8586         Change signature to correspond to the targetm.sched.adjust_cost hook.
8587         Update use in TARGET_SCHED_ADJUST_COST_2.
8588         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
8589         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
8590         new scheduler dependencies lists.
8591         (ia64_gen_check): Ditto.
8593         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
8594         dependencies lists.
8596         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
8597         signature to correspond to the targetm.sched.is_costly_dependence hook.
8598         (is_costly_group): Update to use new scheduler dependencies lists.
8600         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
8601         instead of INSN_COST () macro.
8603 2007-02-01  Ian Lance Taylor  <iant@google.com>
8605         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
8607 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
8609         * pa.md (tp_load): Correct mfctl instruction syntax.
8611 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
8613         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
8614         altivec_padding_size calculation on AIX.  Improve comment, add
8615         assert to verify that it's right.
8617         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
8618         64-bit.
8620 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
8622         PR inline-asm/28686
8623         * global.c (global_alloc): Add mising initialization of
8624         ELIMINABLE_REGSET.
8626 2007-02-01  Roger Sayle  <roger@eyesopen.com>
8628         * alias.c (init_alias_analysis): Correct whitespace.
8629         * bb-reorder.c (fix_edges_for_rarely_executed_code,
8630         partition_hot_cold_basic_blocks): Likewise.
8631         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
8632         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
8633         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
8634         fold_builtin_snprintf_chk, fold_builtin_printf,
8635         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
8636         do_mpfr_arg3, do_mpfr_sincos): Likewise.
8637         * cfgcleanup.c (cleanup_cfg): Likewise.
8638         * cfgexpand.c (tree_expand_cfg): Likewise.
8639         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
8640         * function.c (get_next_funcdef_no): Likewise.
8641         * gengtype.c (main): Likewise.
8642         * genmodes.c (main): Likewise.
8643         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
8644         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
8645         * ifcvt.c (noce_emit_move_insn): Likewise.
8646         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
8647         Likewise.
8648         * stor-layout.c (get_best_mode): Likewise.
8649         * tree-ssa-loop-niter.c (get_val_for): Likewise.
8650         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
8651         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
8652         perform_var_substitution, solve_graph): Likewise.
8653         * tree-vrp.c (vrp_finalize): Likewise.
8655 2007-02-01  Ian Lance Taylor  <iant@google.com>
8657         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
8658         high part of a paradoxical subreg, return a constant zero.
8660 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
8662         * toplev.c (lang_dependent_init): Call init_set_costs.
8663         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
8665 2007-02-01  Richard Guenther  <rguenther@suse.de>
8667         PR middle-end/30656
8668         * fold-const.c (fold_negate_expr): Allow negating a
8669         constant if overflow does not change.
8671 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8673         * doc/c-tree.texi (Expression trees): Improve markup.
8674         * doc/tm.texi (Register Classes, Addressing Modes)
8675         (Floating Point): Fix spacing after abbreviations.  Fix some
8676         typos.
8678 2007-02-01  Ben Elliston  <bje@au.ibm.com>
8680         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
8681         * doc/contrib.texi: Likewise.
8682         * doc/install.texi: Likewise.
8684 2007-01-31  Richard Henderson  <rth@redhat.com>
8685             Ian Lance Taylor  <iant@google.com>
8687         * lower-subreg.c: New file.
8688         * rtl.def (CONCATN): Define.
8689         * passes.c (init_optimization_passes): Add pass_lower_subreg and
8690         pass_lower_subreg2.
8691         * emit-rtl.c (update_reg_offset): New static function, broken out
8692         of gen_rtx_REG_offset.
8693         (gen_rtx_REG_offset): Call update_reg_offset.
8694         (gen_reg_rtx_offset): New function.
8695         * regclass.c: Revert patch of 2006-03-05, restoring
8696         reg_scan_update.
8697         (clear_reg_info_regno): New function.
8698         * dwarf2out.c (concatn_loc_descriptor): New static function.
8699         (loc_descriptor): Handle CONCATN.
8700         * common.opt (fsplit_wide_types): New option.
8701         * opts.c (decode_options): Set flag_split_wide_types when
8702         optimizing.
8703         * timevar.def (TV_LOWER_SUBREG): Define.
8704         * rtl.h (gen_reg_rtx_offset): Declare.
8705         (reg_scan_update): Declare.
8706         * regs.h (clear_reg_info_regno): Declare.
8707         * tree-pass.h (pass_lower_subreg): Declare.
8708         (pass_lower_subreg2): Declare.
8709         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
8710         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
8711         -fsplit-wide-types.
8712         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
8713         * Makefile.in (OBJS-common): Add lower-subreg.o.
8714         (lower-subreg.o): New target.
8716 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8718         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
8720 2007-01-31  Anatoly Sokolov <aesok@post.ru>
8722         PR target/19087
8723         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
8725 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8727         PR middle-end/29335
8728         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
8730 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
8732         * cfgloop.h: Include vec-prim.h.
8733         (enum li_flags): Remove LI_ONLY_OLD.
8734         (loop_iterator): Changed.
8735         (fel_next, fel_init): Iterate over loop tree.
8736         (FOR_EACH_LOOP_BREAK): New macro.
8737         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
8738         FOR_EACH_LOOP.
8739         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
8740         * modulo-sched.c (sms_schedule): Ditto.
8741         * tree-vectorizer.c (vectorize_loops): Ditto.
8742         * doc/loop.texi: Update information on loop numbering and behavior of
8743         FOR_EACH_LOOP wrto new loops.
8744         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8745         add_to_evolution_1): Test nestedness of loops instead of comparing
8746         their numbers.
8747         * tree-chrec.c (chrec_fold_plus_poly_poly,
8748         chrec_fold_multiply_poly_poly, chrec_evaluate,
8749         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
8750         reset_evolution_in_loop): Ditto.
8751         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
8753 2007-01-31  Dirk Mueller  <dmueller@suse.de>
8755         * c-common.c (warn_about_parentheses): Separate warning about
8756         un-parenthized sequence of comparison operators from the one
8757         which is supposed to warn about x <= y <= z.
8759 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
8761         * optabs.h (enum optab_index): Add new OTI_isinf.
8762         (isinf_optab): Define corresponding macro.
8763         * optabs.c (init_optabs): Initialize isinf_optab.
8764         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
8765         patterns.
8766         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
8767         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
8768         using isinf_optab.
8769         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
8770         expand_builtin_interclass_mathfn.
8771         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
8772         * config/i386/i386.md (UNSPEC_FXAM): New constant.
8773         (fxam<mode>2_i387): New insn pattern.
8774         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
8775         built-in functions as x87 inline asm.
8777 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8779         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
8781 2007-01-30  Eric Christopher  <echristo@apple.com>
8783         * config.gcc: Add geode.
8785 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8787         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
8788         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
8789         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
8790         value-prof.c: Fix comment typos.
8792 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8794         PR c++/24745
8795         * doc/invoke.texi (Wpointer-arith): Document warning.
8797 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
8799         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
8800         the list of discrepancies from the draft TR.
8802 2007-01-30  Dirk Mueller  <dmueller@suse.de>
8804         PR c++/30601
8805         * doc/invoke.texi (-Wreturn-type): Update description to
8806         match new behavior.
8808 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
8810         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
8812 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
8814         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
8815         to handle optabs that operate on floating point input argument and
8816         output to integer output.
8817         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
8818         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
8819         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
8820         expand_builtin_interclass_mathfn ().
8821         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
8822         (ilogbsi2): Remove.
8823         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
8824         ilogbl built-in functions as x87 intrinsics.
8826 2007-01-30  Richard Guenther  <rguenther@suse.de>
8828         PR middle-end/27657
8829         * dwarf2out.c (reference_to_unused): Query varpool if the
8830         variable was output.
8832 2007-01-30  Richard Guenther  <rguenther@suse.de>
8834         PR middle-end/30313
8835         * passes.c (execute_one_pass): Reset in_gimple_form to not
8836         confuse non-unit-at-a-time mode.
8838 2007-01-29  Roger Sayle  <roger@eyesopen.com>
8839             Richard Guenther  <rguenther@suse.de>
8841         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
8842         avoid undefined behaviour on overflow.  Use force_fit_type_double
8843         to construct the constant with the specified TREE_OVERFLOW.
8845 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
8847         * config/dfp-bit.c: Add parameterized support for fp exceptions.
8848         * config/dfp-bit.h: Ditto.
8850 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8852         * c-decl.c (pop_scope): Replace warnings with call to
8853         warn_for_unused_label.
8854         * c-common.h (warn_for_unused_label): Declare.
8855         * c-common.c (warn_for_unused_label): Define.
8857 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8859         * tree-optimize.c (update_inlined_to_pointers): Delete unused
8860         function.
8862 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
8864         * Makefile.in (USER_H): Remove decfloat.h.
8865         * ginclude/decfloat.h: Delete, moving contents to ...
8866         * ginclude/float.h: Add support for decimal floating point,
8867         guarded by __STDC_WANT_DEC_FP__.
8869 2007-01-29  Mike Stump  <mrs@apple.com>
8871         * doc/gccint.texi (Top): Rename Loop Representation to Loop
8872         Analysis and Representation to resolve case insensitive conflict.
8873         * doc/loop.texi (Loop Analysis and Representation): Likewise.
8875 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
8877         * tree.h (struct tree_memory_tag): Add aliases member.
8878         (MTAG_ALIASES): New macro.
8879         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
8880         (add_may_alias): Remove pointer-set. Update for may_aliases being
8881         a bitmap.
8882         (mark_aliases_call_clobbered): Update for may_aliases being a
8883         bitmap.
8884         (compute_tag_properties): Ditto.
8885         (create_partition_for): Ditto.
8886         (compute_memory_partitions): Ditto.
8887         (dump_may_aliases_for): Ditto.
8888         (is_aliased_with): Ditto.
8889         (add_may_alias_for_new_tag): Ditto.
8890         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
8891         (compute_is_aliased): New function.
8892         (compute_may_aliases): Call compute_is_aliased).
8893         (init_alias_info): Initialize alias_bitmap_obstack.
8894         (union_alias_set_into): New function.
8895         (compute_flow_sensitive_aliasing): Use union_aliases_into.
8896         (have_common_aliases_p): Rewrite to take two bitmaps and use
8897         intersection.
8898         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
8899         Update for bitmaps.
8900         (finalize_ref_all_pointers): Update for add_may_alias changes.
8901         (new_type_alias): Ditto.
8902         * tree-flow-inline.h (may_aliases): Return a bitmap.
8903         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
8904         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
8905         may_aliases being a bitmap.
8906         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
8907         may_aliases now returns a bitmap.
8908         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
8909         being a bitmap.
8910         * tree-ssa-operands.c (add_virtual_operand): Update for
8911         may_aliases being a bitmap.
8913 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
8915         PR tree-optimization/30630
8916         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
8917         variable as changed.
8919 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
8921         PR c++/28266
8922         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
8923         expanded only once even if an error occurs.
8925 2007-01-29  Ben Elliston  <bje@au.ibm.com>
8927         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
8928         (__gcov_average_profiler): Likewise.
8929         (__gcov_ior_profiler): Likewise.
8930         (__gcov_merge_ior): Likewise.
8932 2007-01-28  Jan Hubicka  <jh@suse.cz>
8934         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
8935         * value-prof.c (stringop_block_profile): Likewise.
8937 2007-01-28  Jan Hubicka  <jh@suse.cz>
8939         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
8940         variant handling histograms; add wrapper.
8941         (clear_storage_via_libcall): Export.
8942         (emit_block_move_hints): Break out from ...; add histograms.
8943         (emit_block_move): ... this one.
8944         (clear_storage_hints): Break out from ...; add histograms.
8945         (clear_storage): ... this one.
8946         (set_storage_via_memset): Handle histogram.
8947         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
8948         (clear_storage_hints, clear_storage_via_libcall): Declare.
8949         (set_storage_via_setmem): Update prototype.
8950         * doc/md.texi (movmem, setmem): Document new arguments.
8952         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
8953         new histograms.
8954         (stringop_block_profile): New global function.
8955         (tree_stringops_values_to_profile): Profile block size and alignment.
8956         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
8957         HIST_TYPE_IOR.
8958         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
8959         (stringop_block_profile): Declare.
8960         * builtins.c: Include value-prof.h.
8961         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
8962         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
8963         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
8964         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
8965         * profile.c (instrument_values): Add new counters.
8966         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
8967         calls.
8968         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
8969         (tree_init_edge_profiler): Build new profilers.
8970         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
8971         (pass_tree_profile): Add dump.
8972         (tree_profile_hooks): Update.
8973         * Makefile.in (LIBGCOV): Add new constants.
8974         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
8975         __gcov_ior_profiler): New.
8976         * i386.md (movmem/setmem expanders): Add new optional arguments.
8978 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
8980         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
8982 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
8984         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
8985         (tree_unswitch_single_loop): Pass eni_size_weights to
8986         tree_num_loop_insns.
8987         * tree-ssa-loop-manip.c: Include tree-inline.h.
8988         (can_unroll_loop_p): Pass eni_size_weights to
8989         tree_num_loop_insns.
8990         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
8991         Pass eni_size_weights to estimate_num_insns.
8992         * tree.h (init_inline_once): Export.
8993         * toplev.c (backend_init): Call init_inline_once.
8994         * cgraphunit.c (cgraph_process_new_functions,
8995         cgraph_analyze_function): Pass eni_inlining_weights to
8996         estimate_num_insns.
8997         * ipa-inline.c (compute_inline_parameters): Ditto.
8998         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
8999         to estimate_num_insns.
9000         (try_unroll_loop_completely): Pass eni_size_weights to
9001         tree_num_loop_insns.
9002         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9003         ot estimate_num_insns.
9004         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9005         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9006         * tree-inline.c (eni_inlining_weights, eni_size_weights,
9007         eni_time_weights): New variables.
9008         (init_inline_once): Initialize them.
9009         (struct eni_data): Mew.
9010         (estimate_num_insns_1, estimate_num_insns): Use weights.
9011         * tree-inline.h (struct eni_weights_d): New.
9012         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9013         (estimate_num_insns): Declaration changed.
9014         * cfgloop.h (tree_num_loop_insns): Declaration changed.
9015         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9016         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9018 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9020         * tree-data-ref.c (conflict_fn): Assert that the number of affine
9021         relations in the conflict function is valid.
9023 2007-01-27  Ian Lance Taylor  <iant@google.com>
9025         * common.opt: Add fstrict-overflow.
9026         * opts.c (decode_options): Set flag_strict_overflow if -O2.
9027         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9028         (TYPE_OVERFLOW_UNDEFINED): Define.
9029         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
9030         Replace all uses.
9031         * tree.h (TYPE_TRAP_SIGNED): Don't define.
9032         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9033         (fold_negate_expr): Likewise.
9034         (make_range): Likewise.
9035         (extract_muldiv_1): Likewise.
9036         (maybe_canonicalize_comparison): Likewise.
9037         (fold_comparison): Likewise.
9038         (fold_binary): Likewise.
9039         (tree_expr_nonnegative_p): Likewise.
9040         (tree_expr_nonzero_p): Likewise.
9041         * tree-vrp.c (compare_values): Likewise.
9042         (extract_range_from_binary_expr): Likewise.
9043         (extract_range_from_unary_expr): Likewise.
9044         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9045         Likewise.
9046         (nowrap_type_p): Likewise.
9047         * tree-scalar-evolution.c (simple_iv): Likewise.
9048         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9049         (build_range_check): Likewise.
9050         (extract_muldiv_1): Likewise.
9051         (fold_comparison): Likewise.
9052         * tree-vrp.c (vrp_int_const_binop): Likewise.
9053         (extract_range_from_unary_expr): Likewise.
9054         * convert.c (convert_to_integer): Likewise.
9055         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9056         (fold_comparison): Likewise.
9057         (fold_binary): Likewise.
9058         * optabs.c (optab_for_tree_code): Likewise.
9059         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
9060         * simplify-rtx.c (simplify_const_relational_operation): Check
9061         flag_strict_overflow and flag_trapv.
9062         (simplify_const_relational_operation): Likewise.
9063         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
9064         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
9065         -fstrict-overflow.
9067 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9069         * tree.c (tree_fold_gcd): Delete.
9070         * tree.h (tree_fold_gcd): Remove prototype.
9071         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
9072         test whether one constant integer is a multiple of another.  Instead
9073         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
9074         * fold-const.c (multiple_of_p):  We've determined both TOP and
9075         BOTTOM are integer constants so we can call int_const_binop directly
9076         instead of the more generic const_binop.
9078 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9080         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
9081         1*X check that the constant hasn't overflowed, to preserve the
9082         TREE_OVERFLOW bit.
9083         (round_up): Provide an efficient implementation when rouding-up an
9084         INTEGER_CST to a power-of-two.
9086 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9088         * doc/sourcebuild.texi: Add comma for clarity.
9089         * doc/extend.texi: Fix some typos.
9090         * doc/passes.texi: Likewise.
9091         * doc/cppinternals.texi: Likewise.
9092         * doc/c-tree.texi: Likewise.
9093         * doc/tree-ssa.texi: Likewise.
9094         * doc/install.texi: Likewise.
9096 2007-01-27  Jan Hubicka  <jh@suse.cz>
9098         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
9099         (pass_sra): Do not require alias information.
9100         * passes.c (init_optimization_passes): Add SRA
9102 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
9104         * tracer.c (rest_of_handle_tracer): We already cleaned
9105         up the CFG in tracer() so don't do it here again.
9106         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
9107         cleanup_cfg here, either.  And don't call renumber_insns.
9109         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
9110         and BB_HEAD are in the insn stream here.  Instead make sure
9111         that BB_INSN is valid on all insns.  Also, do check here that
9112         there are no pending branch predictions...
9113         (rtl_verify_flow_info): ...instead of doing it here.  Checks
9114         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
9115         here.
9117 2007-01-26  Roger Sayle  <roger@eyesopen.com>
9119         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
9120         function to simplify/factorize operand order canonicalization.
9121         (ix86_fixup_binary_operands): Reorganize using the above function.
9122         (ix86_binary_operator_ok): Likewise.
9124 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
9126         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
9127         file scope from optimize_attrs.
9128         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
9129         up search.
9130         (optimize_attrs): Clear insn_code_values after freeing it.
9132 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9134         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
9135         a parts.base assignment.
9137 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9139         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
9140         (compute_subscript_distance, initialize_data_dependence_relation,
9141         finalize_ddr_dependent, analyze_ziv_subscript,
9142         analyze_siv_subscript_cst_affine,
9143         compute_overlap_steps_for_affine_univar,
9144         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
9145         analyze_siv_subscript, analyze_miv_subscript,
9146         analyze_overlapping_iterations, subscript_dependence_tester_1,
9147         compute_self_dependence, free_dependence_relation): Work
9148         with affine_fn instead of chrecs.
9149         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
9150         common_affine_function, affine_function_base,
9151         affine_function_constant_p, affine_fn_op, affine_fn_plus,
9152         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
9153         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
9154         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
9155         (all_chrecs_equal_p): Removed.
9156         * tree-data-ref.h (affine_fn, conflict_function): New types.
9157         (struct subscript): Change type of conflicting_iterations_in_a
9158         and conflicting_iterations_in_b.
9160 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
9162         PR other/30182
9163         * config/pa/pa.h (TARGET_HPUX_11): New.
9164         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
9165         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
9167 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
9168         Richard Guenther  <rguenther@suse.de>
9170         * tree-ssa-structalias.c (solve_graph): Handle case
9171         we merged the variable to another.
9173 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9175         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
9176         functions.
9178         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
9179         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
9181 2007-01-25  DJ Delorie  <dj@redhat.com>
9183         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
9184         allow changes to modes which don't fit in those registers.
9186         * reload1.c (choose_reload_regs): Check for invalid subregs before
9187         computing their locations, not after.
9189 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
9191         PR 25127
9192         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
9193         save Altivec registers in an eh_return function.
9194         (compute_vrsave_mask): Likewise.
9195         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
9196         for saving Altivec registers.
9197         (rs6000_emit_prologue): Don't allocate stack twice in
9198         eh_return function.  Correct expected value of altivec_save_offset
9199         when using save_world.  Describe save of R0 to stack when using
9200         save_world.  Describe stack pointer adjustment when using
9201         save_world.  Remove duplicated eh_return parameter register saving.
9202         Update sp_offset variable after save_world.
9203         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
9204         darwin-world.asm.
9205         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
9206         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
9207         implies Altivec.
9209 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9211         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
9213 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9215         PR other/30182
9216         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
9217         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
9219 2007-01-25  Richard Guenther  <rguenther@suse.de>
9221         * doc/invoke.texi (-Wcoverage-mismatch): Document.
9222         * common.opt (-Wcoverage-mismatch): New warning option.
9223         * coverage.c (get_coverage_counts): Ignore coverage mismatch
9224         if -Wcoverage-mismatch is given.
9226 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
9228         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
9229         (ipcp_driver): Change to static definition.
9230         Add dumping of the ifunctions.
9231         (constant_val_insert): Remove unused parameter. Support for SSA.
9232         (ipcp_propagate_const): Support for SSA.
9233         (ipcp_profile_bb_print): Print only analyzed nodes.
9234         (ipcp_replace_map_create): Remove support for Fortran constant
9235         for now.
9236         * ipa-prop.c (ipa_method_modify_stmt,
9237         ipa_callsite_compute_param): Support for SSA.
9238         * ipa-prop.h (ipcp_driver): Remove declaration.
9239         (IS_VALID_TREE_MAP_INDEX): Add define.
9241 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
9243         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
9245 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9247         PR middle-end/30447
9248         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
9249         constant argument to cabs and do it without checking for
9250         -funsafe-math-optimizations.
9252 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
9254         * c-common.h (RID_FIRST_CXX0X): New.
9255         (RID_LAST_CXX0X): New.
9256         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
9257         by -Wall.
9258         * c.opt (Wc++0x-compat): New.
9259         * doc/invoke.texi (-Wc++0x-compat): Document.
9261 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9263         * builtins.c (fold_builtin_carg): New.
9264         (fold_builtin_1): Use it.
9266 2007-01-24  Jan Hubicka  <jh@suse.cz>
9268         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
9270         * ipa-inline.c (initial_insns, max_insns): Delete.
9271         (compute_max_insns): New function.
9272         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
9273         of insns as base for code growth.
9274         (cgraph_decide_inlining): Make initial_insns local; do not compute
9275         max_insns.
9276         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
9277         * doc/invoke.texi (inline-unit-growth): Update docs.
9279 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
9281         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
9282         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
9283         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
9284         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
9285         for CPUs that have PTA_CX16 set.
9287         PR middle-end/27416
9288         * gimplify.c (omp_check_private): New function.
9289         (gimplify_scan_omp_clauses): Use it for
9290         firstprivate/lastprivate/reduction.
9292         PR middle-end/30494
9293         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
9294         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
9296         PR middle-end/30421
9297         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
9298         If lower_lastprivate_clauses emits some statements, append them
9299         to dlist rather than body_p and to body_p append an initializer.
9300         (lower_omp_for): Adjust caller.
9302 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
9304         * target.h (globalize_decl_name): New.
9305         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9306         * output.h (default_globalize_decl_name): New.
9307         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
9308         globalize_label.
9309         (globalize_decl): Ditto.
9310         (default_globalize_decl_name): New.
9311         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
9312         (ia64_handle_version_id_attribute): New.
9313         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9314         (ia64_asm_output_external): Use globalize_decl_name instead
9315         of globalize_label.
9316         * doc/extend.texi (version_id): New pragma.
9317         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
9319 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9321         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
9322         _uleb128_t and _Unwind_SWord with _sleb128_t.
9323         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
9324         uw_frame_state_for, uw_update_context_1): Likewise.
9325         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
9326         * unwind-pe.h (read_uleb128, read_sleb128,
9327         read_encoded_value_with_base): Likewise.
9328         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
9330 2007-01-24  Richard Guenther  <rguenther@suse.de>
9332         * builtins.c (expand_builtin_cexpi): Get the fndecl
9333         for cexp in the correct way.
9335 2007-01-24  Jan Hubicka  <jh@suse.cz>
9337         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
9339 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9341         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
9342         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
9343         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
9344         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
9345         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
9346         __SIZEOF_PTRDIFF_T__.
9347         * doc/cpp.texi: Documentation for the new builtin macros added.
9349 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
9351         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
9352         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
9353         instead of operands[2] to avoid access past the end of array.
9355 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
9357         * reload1.c (emit_reload_insns): Pass the reload register
9358         for a non-spill output reload through forget_old_reloads_1.
9360 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
9362         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9363         _SOFT_DOUBLE if doubles use software floating-point.
9364         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
9365         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9366         * config/rs6000/darwin-ldouble.c: Also compile functions for
9367         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
9368         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9369         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
9370         commented-out long double override.
9371         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
9372         * config/rs6000/eabispe.h: Likewise.
9373         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
9374         long double for non-SPE.
9375         (rs6000_handle_option): Likewise.
9376         (invalid_e500_subreg): Disallow more subregs involding DImode,
9377         DFmode, TImode or TFmode.
9378         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
9379         E500 double.
9380         (legitimate_lo_sum_address_p): Also check for TFmode for E500
9381         double.
9382         (rs6000_legitimize_address): Also handle TFmode for E500 double.
9383         (rs6000_legitimize_reload_address): Also handle TFmode for E500
9384         double.
9385         (rs6000_legitimate_address): Also check for TFmode for E500
9386         double.
9387         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
9388         (spe_build_register_parallel): Handle TFmode and TCmode.
9389         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
9390         double.
9391         (function_arg): Handle TFmode and TCmode for E500 double.
9392         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
9393         in general.
9394         (print_operand): Handle TFmode and TImode for %y.
9395         (rs6000_generate_compare): Handle TFmode comparisons for E500
9396         double.
9397         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
9398         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
9399         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
9400         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
9401         TFmode for E500 double.
9402         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
9403         (floatsidf2): Enable for E500 double.
9404         (movtf_softfloat): Use rs6000_nonimmediate_operand.
9405         (extenddftf2): Change to extenddftf2_fprs.
9406         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
9407         depending on TARGET_E500_DOUBLE.
9408         (extendsftf2): Enable for E500 double.
9409         (trunctfdf2): Enable for E500 double.
9410         (trunctfsf2): Change to trunctfsf2_fprs.
9411         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
9412         depending on TARGET_E500_DOUBLE.
9413         (floatsitf2): Enable for E500 double.
9414         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
9415         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
9416         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
9417         (negtf2): Change to negtf2_internal.
9418         (negtf2): New expander.
9419         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
9420         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
9421         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
9422         (movdi_internal32): Use rs6000_nonimmediate_operand.
9423         (unnamed splitter): Likewise.
9424         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
9425         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
9426         (SPE64TF, DITI): New mode macros.
9427         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
9428         modes.
9429         (frob_tf_ti): New.
9430         (frob_<mode>_di_2): New.
9431         (frob_tf_di_8_2): New.
9432         (frob_di_df): Change to frob_di_<mode>; allow more modes.
9433         (frob_ti_tf): New.
9434         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
9435         more modes.
9436         (frob_ti_<mode>_8_2): New.
9437         (frob_ti_tf_2): New.
9438         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
9439         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
9440         TFmode.
9441         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
9442         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
9443         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
9444         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
9445         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
9446         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
9447         tsttflt_gp): New.
9449 2007-01-23  Ian Lance Taylor  <iant@google.com>
9451         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
9452         insn-*.o first.
9453         (OBJS-archive): Reformat, alphabetize.
9454         (OBJS): Change out_object_file to OBJS-md.
9456 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
9458         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
9459         JUMP_P and CALL_P predicates where applicable.
9460         * config/i386/i386.c: Ditto.
9461         * config/i386/i386.md: Ditto.
9462         * config/i386/mmx.md: Ditto.
9463         * config/i386/predicates.md: Ditto.
9465 2007-01-22  Andreas Schwab  <schwab@suse.de>
9467         * config/m68k/m68k.h: Fix comment.
9469 2007-01-22  Jan Hubicka  <jh@suse.cz>
9471         * passes.c (init_optimization_passes): Do not rerun
9472         pass_early_warn_uninitialized.
9474 2007-01-22  Richard Guenther  <rguenther@suse.de>
9476         PR tree-optimization/30038
9477         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
9478         function.
9479         (execute_cse_sincos_1): Likewise.
9480         (execute_cse_sincos): Likewise.
9481         (gate_cse_sincos): Likewise.
9482         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
9483         the cexpi() canonicalization of sincos().
9484         * tree-pass.h (pass_cse_sincos): Declare.
9485         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
9487 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
9489         PR rtl-optimization/29329
9490         * combine.c (replaced_rhs_insn): Rename to i2mod.
9491         (replaced_rhs_value): Rename to i2mod_new_rhs.
9492         (i2mod_old_rhs): New global variable.
9493         (combine_instructions): Adjust for above change.  Save a copy of
9494         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
9495         note are substituted in the second instruction.
9496         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
9497         ditch the note if it pertains to the second eliminated register
9498         and this register is mentioned in i2mod_old_rhs.
9500         Revert:
9501         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
9503         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
9504         the insn to which the note was originally attached.
9506 2007-01-21  Jan Hubicka  <jh@suse.cz>
9508         * ipa-inline.c (inlining_mode): Comment, move up.
9509         (cgraph_decide_inlining_incrementally): Do not perform inlining
9510         itself; fix handling of flattening of self recursive functions.
9511         (cgraph_find_cycles): Remove.
9512         (cgraph_flatten_node): Remove.
9513         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
9514         (try_inline): New function.
9515         (cgraph_early_inlining): Update call of
9516         cgraph_decide_inlining_incrementally.  Apply inlining here.
9517         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
9519 2007-01-21  Dirk Mueller  <dmueller@suse.de>
9521         PR bootstrap/30511
9522         * tree-vrp.c (check_array_bounds): do not warn
9523         about ADDR_EXPR's of ARRAY_REF's which are immediately
9524         used in binary expressions.
9526 2007-01-21  Ira Rosen  <irar@il.ibm.com>
9528         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
9529         read_write_dep and macros for its access.
9530         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
9531         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
9532         argument, call vect_check_interleaving for every independent pair of
9533         data-refs. Mark loads that access the same memory location as a store
9534         in the loop.
9535         (vect_check_dependences): Remove.
9536         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
9537         call, fix the call to vect_analyze_data_ref_dependence.
9538         (vect_analyze_data_ref_access): For statements that access the same
9539         data-ref, check that they are not stores; for loads, check that there
9540         is no store that access the same location.
9542 2007-01-20  Roger Sayle  <roger@eyesopen.com>
9543             Joseph Myers  <joseph@codesourcery.com>
9545         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
9546         (-fdump-rtl-stack): Likewise.
9547         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
9548         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
9549         (-mpt-fixed): Use @minus{} for minus sign.
9550         (Using Precompiled Headers): Fix under/overfull hbox.
9552 2007-01-20  Jan Hubicka  <jh@suse.cz>
9554         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
9555         place within annotation.
9557 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9559         * pa.c (output_move_double): Change array size of xoperands to 4.
9561 2007-01-20  Jan Hubicka  <jh@suse.cz>
9563         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
9564         as temporary.
9566 2007-01-19  Ian Lance Taylor  <iant@google.com>
9568         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
9569         constant to unsigned HOST_WIDE_INT before negating.
9571 2007-01-19  Ian Lance Taylor  <iant@google.com>
9573         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
9574         to unsigned.
9575         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
9576         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9577         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
9578         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
9579         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9580         (realloc_vdef, realloc_vuse): Change second parameter to
9581         unsigned.
9582         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
9583         fields to unsigned.
9584         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
9585         unsigned. Change x and lim locals to unsigned.
9586         (realloc_vdef, realloc_vuse): Change num_elem parameter to
9587         unsigned.
9588         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
9589         (copy_virtual_operands): Change i and n locals to unsigned.
9591 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9593         PR middle-end/29335
9594         * builtins.c (fold_builtin_1): Handle builtin fdim.
9596 2007-01-20  Jan Hubicka  <jh@suse.cz>
9598         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
9599         * tree-ssa-structalias.c (compute_points_to_sets): Do call
9600         init_alias_heapvars.
9601         (init_alias_heapvars): Initialize only when not already initialized.
9602         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
9604 2007-01-19  Roger Sayle  <roger@eyesopen.com>
9606         * common.opt (fsigned-zeros): New command line option.
9607         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
9608         of flag_unsafe_math_optimizations.
9609         * opts.c (set_fast_math_flags): The -ffast-math command line option
9610         implies -fno-signed-zeros.
9611         (fast_math_flags_set_p): Likewise.
9613         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
9614         the documentation of -ffast-math appropriately.  Wrap long lines.
9616 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
9618         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
9619         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
9621 2007-01-19  Tomas Bily  <tbily@suse.cz>
9623         * cgraphunit.c (cgraph_finalize_function): Updating of pid
9624         * tree-profile.c:
9625         (tree_init_ic_make_global_vars): New function
9626         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
9627         (tree_gen_ic_profiler): New function
9628         (tree_gen_ic_func_profiler): New function
9629         (tree_profiling): Added calling of tree_gen_ic_func_profiler
9630         (tree_profile_hooks): Added hook for indirec/virtual calls
9631         * value-prof.c (tree_find_values_to_profile): New case for
9632         indirect calls
9633         (tree_values_to_profile): Call for determining indirect/virtual
9634         counters
9635         (tree_indirect_call_to_profile): New function
9636         (tree_ic_transform): New function
9637         (tree_ic): New function
9638         (find_func_by_pid): New function
9639         (init_pid_map): New function
9640         (tree_value_profile_transformations): Added check for
9641         indirect/virtual call transformation
9642         * value-prof.h (enum hist_type): New counter type for
9643         indirect/virtual calls
9644         (profile_hooks): Added new hook for profiling indirect/virtual
9645         calls
9646         * profile.c (instrument_values): New case for indirect/virtual
9647         call added
9648         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
9649         (GCOV_COUNTER_V_INDIR): New counter type
9650         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
9651         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
9652         call added
9653         * cgraph.c: Definition of cgraph_max_pid
9654         (cgraph_create_node): Default init of pid attribute
9655         * cgraph.h: Declaration of cgraph_max_pid
9656         (struct cgraph_node): Added pid attribute
9657         * libgcov.c (__gcov_indirect_call_profiler): New function
9658         (__gcov_one_value_profiler_body): New function
9659         (__gcov_one_value_profiler): Body was moved to
9660         __gcov_one_value_profiler_body and calls it
9662 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
9664         * doc/gty.texi (Options): Document the mark_hook option to GTY.
9665         * gengtype.c (write_types_data, write_func_for_structure,
9666         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
9667         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
9668         (walk_type, write_func_for_structure): Generate the mark_hook if
9669         needed.
9671 2007-01-19  Jan Hubicka  <jh@suse.cz>
9673         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
9674         'early' argument take inlining mode argument specifying whether to
9675         inline for size/speeed or all functions; add support for flattening;
9676         improve dumpting.
9677         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
9679 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9681         PR c++/17947
9682         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
9683         the name of the declared identifier.
9685 2007-01-19  Dirk Mueller  <dmueller@suse.de>
9687         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
9688         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
9689         duplicate evaluation.
9691 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
9693         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
9694         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
9695         to XFMode, use acosxf2 and truncate result to requested mode.
9696         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9697         (asin<mode>2): Similarly, with asin expanders.
9698         (*fscalexf4_i387): Rename from *fscalexf4.
9699         (expNcorexf3): New expander.
9700         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
9701         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
9702         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
9703         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
9704         patterns for SSE math.
9705         (exp10<mode>2): Similarly, with exp10 expanders.
9706         (exp2<mode>2): Similarly, with exp2 expanders.
9707         (expm1<mode>2): Similarly, with expm1 expanders.
9708         (ldexp<mode>3): Similarly, with ldexp expanders.
9709         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
9710         Use gen_truncxf<mode>2_i387_noop to truncate result.
9712 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9714         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
9715         for ColdFire targets.
9717 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
9718             Richard Sandiford  <richard@codesourcery.com>
9720         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
9721         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
9722         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
9723         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
9724         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9725         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9727 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9729         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
9730         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
9731         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
9732         (*adddi_dilshr32_cf): New pattern.
9733         (adddi3, subdi3): Remove first alternatives.
9735 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9737         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
9738         implemented using move.l, do not use its cc result for floating-point
9739         comparisons.
9741 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9743         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
9744         from accepting 's' constraints if flag_pic.
9746 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9748         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
9749         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
9750         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
9751         condition from TARGET_68881 to TARGET_HARD_FLOAT.
9753 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
9755         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
9756         ColdFire alternatives.
9757         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
9758         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
9759         architectures that support ff1 instruction.
9761 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9762             Julian Brown  <julian@codesourcery.com>
9764         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
9765         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
9766         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
9767         Add commentary.
9769 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9771         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
9772         and return a bool.
9773         (output_move_const_into_data_reg, output_move_simode_const): Delete.
9774         * config/m68k/m68k.c (const_method, const_int_cost): Take a
9775         HOST_WIDE_INT instead of an rtx.
9776         (m68k_rtx_costs): Update call accordingly.
9777         (output_move_const_into_data_reg): Likewise.  Fix formatting.
9778         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
9779         Return a bool.
9780         (output_move_simode_const): Update calls after above changes.
9781         Rework to use automatic variables and predicates like MEM_P.
9782         * config/m68k/m68k.md (pushexthisi_const): Update call to
9783         valid_mov3q_const.
9785 2007-01-19  Dirk Mueller  <dmueller@suse.de>
9787         * tree-ssa-alias.c (perform_var_substitution): Fix typo
9788         in dump_flags test.
9790 2007-01-19  Richard Guenther  <rguenther@suse.de>
9792         * builtins.c (expand_builtin_cexpi): Fall back to expanding
9793         via cexp in case sincos is not available.
9795 2007-01-19  Richard Guenther  <rguenther@suse.de>
9797         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
9798         * defaults.h (TARGET_HAS_SINCOS): Default to off.
9799         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
9800         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
9801         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
9802         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
9803         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
9804         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
9806 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
9808         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
9809         New insn patterns.
9810         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
9811         (atan2xf3): Directly generate RTL pattern.
9812         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
9813         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
9814         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9815         disable patterns for SSE math.
9816         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
9817         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
9818         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9819         disable patterns for SSE math.
9821 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
9823         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
9825 2007-01-18  Roger Sayle  <roger@eyesopen.com>
9827         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
9828         VIEW_CONVERT_EXPR to the same type as it's operand.
9830 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
9832         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
9833         configured for long double 128.
9835 2007-01-18  Mike Stump  <mrs@apple.com>
9837         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
9838         error.
9840 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
9842         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
9843         type correct.
9845 2007-01-18  Jan Hubicka  <jh@suse.cz>
9847         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
9848         greater than NUM_VOP_FREE_BUCKETS.
9850 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
9852         * tree-ssa-structalias.c: Update comments.
9853         (ptabitmap_obstack): Removed.
9854         (pta_obstack): New.
9855         (oldpta_obstack): Ditto.
9856         (stats): Add a few members.
9857         (struct variable_info): Remove node, complex, address_taken, and
9858         indirect_target members. Add oldsolution member.
9859         (new_var_info): Do not initialize removed members.
9860         (constraint_expr_type): Remove INCLUDES.
9861         (constraint_graph): Add size, implicit_preds, rep,
9862         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
9863         (FIRST_REF_NODE): New macro.
9864         (LAST_REF_NODE): Ditto.
9865         (FIRST_ADDR_NODE): Ditto.
9866         (find): New function.
9867         (unite): Ditto.
9868         (dump_constraint): Do not handle INCLUDES.
9869         (insert_into_complex): Do not insert duplicate constraints.
9870         (condense_varmap_nodes): Renamed and rewritten into ...
9871         (merge_node_constraints): This. Also fix bug in handling of
9872         offseted copy constraints.
9873         (clear_edges_for_node): No longer need to deal with preds at all,
9874         or removing associated preds/succs.
9875         (merge_graph_nodes): Deal with indirect_cycles.
9876         Don't deal with predecessors.
9877         (add_implicit_graph_edge): New function.
9878         (add_pred_graph_edge): Ditto.
9879         (add_graph_edge): Don't deal with predecessors.
9880         (build_constraint_graph): Removed.
9881         (build_pred_graph): New function.
9882         (build_succ_graph): Ditto.
9883         (struct scc_info): Removed in_component. Added roots, dfs, and
9884         node_mapping. Remove visited_index, unification_queue.
9885         (scc_visit): Deal with union-find we do now.
9886         Deal with cycles with REF nodes.
9887         (collapse_nodes): Renamed and rewritten to ...
9888         (unify_nodes): This.
9889         (process_unification_queue): Removed.
9890         (topo_visit): Cleanup
9891         (do_da_constraint): Use find.
9892         (do_sd_constraint): Ditto.
9893         (do_ds_constraint): Ditto.
9894         (do_complex_constraint): Ditto.
9895         (init_scc_info): Update for removed and added members.
9896         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
9897         (find_indirect_cycles): This.
9898         (equivalence_class): New variable.
9899         (label_visit): New function.
9900         (perform_variable_substitution): Rewritten.
9901         (free_var_substitution_info): New function.
9902         (find_equivalent_node): Ditto.
9903         (move_complex_constraints): Ditto.
9904         (eliminate_indirect_cycles): Ditto.
9905         (solve_graph): Only propagate changed bits.
9906         Use indirect cycle elimination.
9907         Use find.
9908         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
9909         (tree_id_eq): Renamed to ...
9910         (tree_vi_eq): This. Update for member change
9911         (insert_id_for_tree): Renamed and rewritten to ...
9912         (insert_vi_for_tree): This.
9913         (lookup_id_for_tree): Renamed and rewritten to ...
9914         (lookup_vi_for_tree): This.
9915         (get_id_for_tree): Renamed and rewritten to ...
9916         (get_vi_for_tree): Ditto.
9917         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
9918         (process_constraint): Don't handle INCLUDES.
9919         Remove special ADDRESSOF case.
9920         (find_func_aliases): Rewrite to use vi functions instead of id
9921         ones.
9922         (create_function_info_for): Ditto.
9923         (create_variable_info_for): Ditto.
9924         (intra_create_variable_infos): Ditto.
9925         (merge_smts_into): Ditto.
9926         (find_what_p_points_to): Ditto.
9927         (init_base_vars): Ditto.
9928         (init_alias_vars): Ditto.
9929         (remove_preds_and_fake_succs): New function.
9930         (dump_sa_points_to_info): Dump new stats.
9931         (dump_solution_for_var): Use find.
9932         (set_used_smts): Fix formatting.
9933         (compute_points_to_sets): Updated for new functions.
9934         (ipa_pta_execute): Ditto.
9936 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9937             Richard Sandiford  <richard@codesourcery.com>
9939         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
9940         parallels.
9941         * calls.c (expand_call): If the return value is a PARALLEL,
9942         extract its first member.
9943         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
9944         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9945         use FUNCTION_EXTRA_EPILOGUE.
9946         (m68k_function_value): Return a PARALLEL if the return value
9947         is of a pointer type.
9948         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
9949         (FUNCTION_EXTRA_EPILOGUE): Remove.
9950         * config/m68k/m68k.md (D0_REG): New constant.
9952 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9954         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9955         output a NOP for empty epilogues.
9957 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9959         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
9960         before function.  Extend register save check to include all
9961         registers, not just integer ones.
9963 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9965         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
9966         (m68k_use_return_insn): ...this.
9967         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
9968         * config/m68k/m68k.c (use_return_insn): Rename to...
9969         (m68k_use_return_insn): ...this.
9970         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
9971         of USE_RETURN_INSN.
9973 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9975         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
9976         nearest even, fix denormal rounding overflow.
9978 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9980         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
9981         f%$smove and f%$move.
9982         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
9983         (extendsfdf2_cf): Use fdmove instead of f%&move.
9984         (truncdfsf2_cf): Use fsmove instead of f%$smove.
9985         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
9987 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9989         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
9990         GPR<-GPR moves.
9992 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9994         * real.h (real_format): Add a canonical_nan_lsbs_set field.
9995         (coldfire_single_format): Declare.
9996         (coldfire_double_format): Likewise.
9997         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
9998         of qnan_msb_set to determine the lower bits of a canonical
9999         NaN significand.
10000         (encode_ieee_double): Likewise.
10001         (encode_ieee_quad): Likewise.
10002         (ieee_single_format): Initialize canonical_nan_lsbs_set.
10003         (mips_single_format): Likewise.
10004         (ieee_double_format): Likewise.
10005         (mips_double_format): Likewise.
10006         (ieee_extended_motorola_format): Likewise.
10007         (ieee_extended_intel_96_format): Likewise.
10008         (ieee_extended_intel_128_format): Likewise.
10009         (ieee_extended_intel_96_round_53_format): Likewise.
10010         (ibm_extended_format): Likewise.
10011         (mips_extended_format): Likewise.
10012         (ieee_quad_format): Likewise.
10013         (mips_quad_format): Likewise.
10014         (vax_f_format): Likewise.
10015         (vax_d_format): Likewise.
10016         (vax_g_format): Likewise.
10017         (i370_single_format): Likewise.
10018         (i370_double_format): Likewise.
10019         (decimal_single_format): Likewise.
10020         (decimal_double_format): Likewise.
10021         (decimal_quad_format): Likewise.
10022         (c4x_single_format): Likewise.
10023         (c4x_extended_format): Likewise.
10024         (real_internal_format): Likewise.
10025         (coldfire_single_format): New real_format.
10026         (coldfire_double_format): Likewise.
10027         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10028         canonical_nan_lsbs_set.
10029         (pdp11_d_format): Likewise.
10030         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10031         if TARGET_COLDFIRE_CPU.
10033 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10035         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10036         (output_call, m68k_legitimize_call_address): Declare.
10037         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10038         parenthesees.  Add support for a 'W' constraint.
10039         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10040         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10041         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10042         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10043         variables.
10044         (override_options): Initialize them.  Do not set flag_no_function_cse
10045         for TARGET_ID_SHARED_LIBRARY.
10046         (m68k_output_pic_call): Delete.
10047         (m68k_legitimize_call_address): New function.
10048         (print_operand): Remove the %o prefix.  Handle the %p prefix.
10049         (output_call): New function.
10050         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
10051         target address from the GOT if symbolic jumps are not allowed.
10052         * config/m68k/m68k.md (call, general_operand): Do not set
10053         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
10054         Merge separate flag_pic and !flag_pic define_insns into...
10055         (*call, *call_value): ...these new patterns.  Match the address
10056         rather than the containing MEM and require it to be a call_operand.
10057         Use output_call to generate the asm template.
10058         * config/m68k/predicates.md (const_call_operand): New predicate.
10059         (call_operand): Likewise.
10061 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10063         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
10064         (STACK_GROWS_DOWNWARD): Define to 1.
10065         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
10066         comments, emphasizing that these values are only defaults.
10067         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
10068         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
10070 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10072         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
10074 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10075             Richard Sandiford  <richard@codesourcery.com>
10077         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
10078         (FP_REGNO_P): New macros.
10079         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
10080         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
10081         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
10082         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
10084 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10086         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10087         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
10088         to $tmake_file.
10089         * config/m68k/t-floatlib: New file, extracting common code from...
10090         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
10091         * config/m68k/t-uclinux: Here.
10092         * config/m68k/fpgnulib.c: Do not compile extendeed precision
10093         routines on ColdFire targets.
10095 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10097         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10098         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
10099         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
10100         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
10101         explicitly set MOTOROLA to 1.
10102         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
10104 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10105             Nathan Sidwell  <nathan@codesourcery.com>
10107         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
10108         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
10109         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
10110         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
10111         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
10112         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
10113         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
10114         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
10115         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
10116         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10117         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
10118         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
10119         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
10120         (DBX_REGISTER_NUMBER): Delete.
10121         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
10122         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10123         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
10125 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10127         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
10128         * config/flat.h: New file.
10129         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
10130         OBJECT_FORMAT_FLAT.
10131         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
10132         indirect references for -msep-data or -mid-shared-library.
10133         Do not use PC-relative code addresses either.
10134         * config/m68k/m68k.c (override_options): Restrict -fPIC error
10135         to -mpcrel.
10136         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
10137         for shared libraries and crt1.o for executables.  Use crti.o and
10138         crtbegin.o.
10139         (ENDFILE_SPEC): Use crtend.o and crtn.o.
10140         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
10141         Do not add -elf2flt or -shared-lib-id options here.
10142         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
10143         Pass -shared-lib-id if -mid-shared-library, taking the library
10144         identifier from -mshared-library-id if given, otherwise
10145         defaulting to 0.
10146         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
10147         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
10148         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
10149         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
10150         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
10151         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
10152         and crtend.o.
10153         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
10154         jump sequence for ISA A and ISA A+.
10155         (PICJUMP): Likewise.
10157 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10159         * config.gcc (m68k-*-uclinux*): Base the port on the common
10160         and m68k GNU/Linux files rather than on the generic ELF ones.
10161         * config/m68k/uclinux.h (TARGET_VERSION): Override.
10162         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10164 2007-01-18  Julian Brown  <julian@codesourcery.com>
10165             Richard Sandiford  <richard@codesourcery.com>
10167         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
10168         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10169         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
10170         before redefining.
10171         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
10172         80 unconditionally.
10173         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10175 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10177         * doc/install.texi: Document m68k-uclinuxoldabi.
10178         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
10179         * config/m68k/uclinux-oldabi.h: New file, copied from
10180         config/m68k/uclinux.h.
10182 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
10184         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
10185         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
10186         (m32r_compute_frame_size): Use unsigned for regno.
10187         (m32r_reload_lr): Use gen_frame_mem.
10188         (pop): New.
10189         (m32r_output_function_epilogue): Don't output the function epilogue
10190         textually here.
10191         (m32r_expand_epilogue): New.
10192         (direct_return): Return false if the function has the interrupt
10193         attribute.
10194         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
10195         * config/m32r/m32r.md (epilogue): New expander.
10196         (return_lr, return_rte): New insns.
10197         (return): Make it expander.
10198         (return_normal): New expander.
10200 2007-01-18  Josh Conner  <jconner@apple.com>
10202         PR target/30485
10203         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
10204         support for UNLE, UNLT, UNGE, and UNGT.
10206 2007-01-18  Jan Hubicka  <jh@suse.cz>
10208         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
10209         * tree-tailcall (add_virtual_phis): Likewise.
10210         (optimize_tail_call): Return TODOs.
10211         (execute_tail_calls): Return TODOs.
10212         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
10213         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
10214         changed.
10215         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
10216         Cleanup cfg using TODO.
10217         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
10218         * passes.c (execute_function_todo): When cleanup did something, remove
10219         unused locals.
10220         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
10221         (make_edges): Don't cleanup_cfg.
10223 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
10225         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
10226         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
10227         operate on the top of stack.
10228         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
10229         register handling of instructions that output to the second
10230         stack slot.
10231         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
10232         (move_for_stack_reg): Special-case check for dead destination
10233         stack slot for constant load of 1.0 inside UNSPEC_TAN.
10235         * config/i386/i386.md (UNSPEC_TAN): New constant.
10236         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
10237         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
10238         to correctly model move of constant 1.0 to top stack slot.
10239         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
10240         (unnamed peephole2 pattern): Remove corresponding peephole2
10241         pattern that optimizes tan insn and loading of constant 1.0.
10242         (tanxf2): Use fptanxf4_i387.
10243         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
10244         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
10245         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10246         disable patterns for SSE math.
10247         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
10248         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
10250 2007-01-18  Dirk Mueller  <dmueller@suse.de>
10251             Richard Guenther <rguenther@suse.de>
10253         PR diagnostic/8268
10254         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
10255         * common.opt (Warray-bounds): Add new warning option.
10256         * c-opts.c (c_common_handle_option): Define -Warray-bounds
10257         if -Wall is given.
10258         * Makefile.in: make tree-vrp.o depend on toplev.h
10259         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
10260         is enabled.
10261         (check_array_refs, check_array_bounds, check_array_ref): New.
10263 2007-01-18  Jan Hubicka  <jh@suse.cz>
10265         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
10266         (execute_ssa_ccp): Return flags conditionally.
10267         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
10268         changed.
10269         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
10271 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
10273         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
10274         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
10276         * Makefile.c (GTFILES): Add cfglayout.h.
10277         * gengtype.c (open_base_files): Likewise.
10278         * cfglayout.c (cfg_layout_function_footer,
10279         cfg_layout_function_header) Reindent to make gengtype happy.
10280         * cfglayout.h (cfg_layout_function_footer,
10281         cfg_layout_function_header): Add GTY(()) marker.
10283         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
10285 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10287         * genautomata.c (write_automata): Include xstrerror output in the
10288         error message if writing the DFA description file fails.
10290 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
10292         * config/mips/mips-protos.h (mips_output_external): Make it
10293         return void.
10294         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
10295         * config/mips/mips.c (irix_output_external_libcall): Likewise.
10296         (extern_list): Likewise.
10297         (extern_head): Likewise.
10298         (TARGET_ASM_FILE_END): Likewise.
10299         (mips_file_end): Likewise.
10300         (mips_output_external): Rewritten.
10302 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10304         * genpreds.c (write_insn_preds_c): Only write out the function
10305         body for regclass_for_constraint if we have register constraints.
10307 2007-01-17  Tom Tromey  <tromey@redhat.com>
10309         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
10310         * doc/install.texi (Testing): Use sourceware.org.
10311         (Binaries): Likewise.
10312         (Specific): Likewise.
10313         * doc/contrib.texi (Contributors): Use sourceware.org.
10315 2007-01-17  Anatoly Sokolov <aesok@post.ru>
10317         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
10318         (AVR_ENHANCED): Rename to ...
10319         (AVR_HAVE_MUL): ... new.
10320         (avr_enhanced_p): Rename to ...
10321         (avr_have_mul_p): ... new.
10322         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
10323         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
10324         * config/avr/avr.c (avr_enhanced_p): Rename to ...
10325         (avr_have_mul_p): ... new.
10326         (base_arch_s): Rename 'enhanced' to 'have_mul'.
10327         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
10328         'avr_enhanced_p' and 'enhanced'.
10329         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
10330         AVR_HAVE_MUL instead of AVR_ENHANCED.
10331         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10332         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
10333         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
10334         instead of AVR_ENHANCED.
10335         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10336         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
10337         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
10339 2007-01-17  Ian Lance Taylor  <iant@google.com>
10341         * vec.h (VEC_reserve_exact): Define.
10342         (vec_gc_p_reserve_exact): Declare.
10343         (vec_gc_o_reserve_exact): Declare.
10344         (vec_heap_p_reserve_exact): Declare.
10345         (vec_heap_o_reserve_exact): Declare.
10346         (VEC_OP (T,A,reserve_exact)): New static inline function, three
10347         versions.
10348         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
10349         negative parameter.
10350         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
10351         (VEC_OP (T,A,copy)) [all versions]: Likewise.
10352         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
10353         * vec.c (calculate_allocation): Add exact parameter.  Change all
10354         callers.
10355         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
10356         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
10357         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
10358         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
10359         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
10360         (vec_heap_p_reserve_exact): New function.
10361         (vec_heap_o_reserve_exact): New function.
10363 2007-01-17  Jan Hubicka  <jh@suse.cz>
10365         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
10367 2007-01-17  Eric Christopher  <echristo@apple.com>
10369         * config.gcc: Support core2 processor.
10371 2007-01-16  Jan Hubicka  <jh@suse.cz>
10373         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
10374         the names, just unlink the chain so we don't crash on dangling pointers
10375         to dead SSA names.
10377 2007-01-16  Jan Hubicka  <jh@suse.cz>
10379         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
10380         * tree-pass.h: Reorder to make IPA passes appear toegher.
10381         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
10382         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
10383         parameters, do not call early inliner.
10384         * ipa-inline.c: Update comments.  Include tree-flow.h
10385         (cgraph_decide_inlining): Do not compute inlining parameters.
10386         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
10387         be called with function context set up.
10388         (pass_ipa_inline): Remove unreachable functions before pass.
10389         (cgraph_early_inlining): Simplify assuming to be called from the
10390         PM as local pass.
10391         (pass_early_inline): New pass.
10392         (cgraph_gate_ipa_early_inlining): New gate.
10393         (pass_ipa_early_inline): Turn into simple wrapper.
10394         (compute_inline_parameters): New function.
10395         (gate_inline_passes): New gate.
10396         (pass_inline_parameters): New pass.
10397         (apply_inline): Move here from tree-optimize.c
10398         (pass_apply_inline): New pass.
10399         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
10400         transforming.
10401         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
10402         doing them by hand.
10403         (tree_function_versioning): Do not allocate dummy struct function.
10404         * tree-inline.h (optimize_inline_calls): Update prototype.
10405         * tree-optimize.c (execute_fixup_cfg): Export.
10406         (pass_fixup_cfg): Remove
10407         (tree_rest_of_compilation): Do not apply inlines.
10408         * tree-flow.h (execute_fixup_cfg): Declare.
10409         * Makefile.in (gt-passes.c): New.
10410         * passes.c: Include gt-passes.h
10411         (init_optimization_passes): New passes.
10412         (nnodes, order): New static vars.
10413         (do_per_function_toporder): New function.
10414         (execute_one_pass): Dump current pass here.
10415         (execute_ipa_pass_list): Don't dump current pass here.
10417 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
10419         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
10420         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
10422 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
10424         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
10425         (strong_alias): Define.
10426         (__gcc_qmul): Provide non-FMA for soft-float.
10427         (__gcc_qdiv): Same.
10428         (__gcc_qneg): New.
10429         (__gcc_qeq): New.
10430         (__gcc_qle): New.
10431         (__gcc_qge): New.
10432         (__gcc_qunord): New.
10433         (__gcc_stoq): New.
10434         (__gcc_dtoq): New.
10435         (__gcc_qtos): New.
10436         (__gcc_qtod): New.
10437         (__gcc_qtoi): New.
10438         (__gcc_qtou): New.
10439         (__gcc_itoq): New.
10440         (__gcc_utoq): New.
10441         (fmsub): New.
10442         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
10443         soft-float functions.
10444         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
10445         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
10446         about long double soft float.
10448 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
10449             Tehila Meyzels  <tehila@il.ibm.com>
10451         * tree-vectorizer.h (is_pattern_stmt_p): New.
10452         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
10453         formatting (tabs instead of spaces). Cleanup and clarify setting
10454         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
10455         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
10456         (vectorizable_type_demotion): Check that types are integral.
10457         (vectorizable_type_promotion): Likewise.
10458         (vectorizable_store): Fix typo.  Eliminate new-line at end of
10459         comments.
10461 2007-01-16  Jan Hubicka  <jh@suse.cz>
10463         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
10464         cgraph edges too.
10466 2007-01-15  Eric Christopher  <echristo@apple.com>
10468         * ifcvt.c: Include vec.h, vecprim.h.
10469         (check_cond_move_block): New argument regs.
10470         Reorganize. Add registers used to regs.
10471         (cond_move_process_if_block): Use regs set above as
10472         loop bounds.
10474 2007-01-15  Eric Christopher  <echristo@apple.com>
10476         * config/darwin.h: Update copyright.
10477         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
10478         (LINK_COMMAND_SPEC): Add -u.
10479         (LINK_SPEC): Fix umbrella for above.
10481 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
10483         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
10484         glibc CVS.
10486 2007-01-15  Tom Tromey  <tromey@redhat.com>
10488         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
10489         * doc/install.texi (Testing): Don't mention jacks.
10490         (Configuration): Document --enable-java-maintainer-mode.  Move
10491         --with-java-home to libgcj-specific section.  Document
10492         --with-ecj-jar.
10493         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
10495 2007-01-15  Jan Hubicka  <jh@suse.cz>
10497         * tree-ssa-dce.c (DCE_TODOs): New.
10498         (propagate_necessity): Return if something changed.
10499         (eliminate_unnecessary_stmts): Likewise.
10500         (perform_tree_ssa_dce): Return TODO flags when needed.
10501         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
10503 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
10505         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
10506         (fyl2x_extend<mode>xf3_i387): New insn pattern.
10507         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
10508         patterns using X87MODEF12 mode macro.  Extend operand 1
10509         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10510         (log10<mode>2): Ditto.
10511         (log2<mode>2): Ditto.
10512         (log1p<mode>2): Ditto.
10513         (logb<mode>2): Ditto.
10514         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
10515         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
10516         (*fxtractxf3_i387): Rename from *fxtractxf3.
10517         (fxtract_extend<mode>xf3_i387): New insn pattern.
10518         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
10519         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
10520         and gen_fyl2xxf3_i387().
10522 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
10524         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
10525         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
10526         get_loop_exit_edges.  Changed return type to bool.
10527         * cfgloop.h (fix_loop_placement): Declaration removed.
10529 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
10531         * param.h (MIN_VECT_LOOP_BOUND): New.
10532         * params.def (MIN_VECT_LOOP_BOUND): New.
10533         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
10534         argument - minimum threshold for number of iterations.
10535         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
10536         argument to declaration.
10537         * tree-vect-analyze.c (vect_analyze_operations): Check value of
10538         MIN_VECT_LOOP_BOUND.
10539         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
10540         slpeel_tree_peel_loop_to_edge with additional argument.
10541         (vect_do_peeling_for_alignment): Likewise.
10542         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
10544 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
10546         PR target/30413
10547         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
10548         operands of size 1.
10550 2007-01-14  Jan Hubicka  <jh@suse.cz>
10552         * tree-dfa.c (remove_referenced_var): New function.
10553         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
10554         prune referenced vars list too.
10555         * tree-flow.h (remove_referenced_var): Declare.
10557 2007-01-14  Jan Hubicka  <jh@suse.cz>
10559         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
10560         separately.
10561         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
10562         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
10563         * except.h (verify_eh_throw_table_statements): Kill prototype.
10564         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
10565         into call exrepssions.
10566         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
10567         eh trhow verifier.
10568         * tree-cfg.c: Include pointer-set.h.
10569         (verify_node_sharing): Work on pointer set.
10570         (verify_eh_throw_stmt_node): New.
10571         (verify_stmts): Use pointers sets, verify throw_stmt.
10573 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
10575         * ipa-reference.c (analyze_function): Consider also addresses taken
10576         in phi nodes.
10578 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10580         * c-typeck.c (null_pointer_constant_p): Replace use of
10581         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10582         (build_c_cast): Likewise.
10584 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10586         * tree.h (force_fit_type_double): Remove unused final argument.
10587         * c-common.c (constant_expression_warning): Replace use of
10588         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10589         (convert_and_check): Likewise.
10590         (shorten_compare): Update call to force_fit_type_double.
10591         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
10592         * convert.c (convert_to_pointer): Update call to
10593         force_fit_type_double.
10594         * fold-const.c (force_fit_type_double): Remove overflowed_const
10595         argument.
10596         (int_const_binop, fold_convert_const_int_from_int,
10597         fold_convert_const_int_from_real, fold_div_compare,
10598         fold_sign_changed_comparison, fold_unary, fold_negate_const,
10599         fold_abs_const, fold_not_const): Remove the final argument from
10600         calls to force_fit_type_double.
10602 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10604         * configure.ac: Set insn to "nop" for spu-*-* also.
10605         * configure: Regenerate.
10607 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
10609         * builtins.def : Add BUILT_IN_FREE.
10611 2007-01-12  Jan Hubicka  <jh@suse.cz>
10613         PR tree-optimization/30443
10614         * tree-inline.c (tree_function_versioning): Do not optimize when
10615         cloning for inlining.
10617 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
10619         * doc/loop.texi: Document recording of loop exits.
10620         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
10621         (update_single_exits_after_duplication,
10622         update_single_exit_for_duplicated_loop,
10623         update_single_exit_for_duplicated_loops): Removed.
10624         (duplicate_loop_to_header_edge): Do not call
10625         update_single_exits_after_duplication and
10626         update_single_exit_for_duplicated_loops.
10627         (loop_version): Do not update single_exit information.
10628         (fix_loop_structure): Use record_loop_exits instead of
10629         mark_single_exit_loops.
10630         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
10631         the lists of loop exits.
10632         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
10633         split_edge, merge_blocks): Update the lists of loop exits.
10634         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
10635         loop_optimizer_init.
10636         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
10637         of mark_single_exit_loops.
10638         (loop_optimizer_finalize): Call release_recorded_exits.
10639         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
10640         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
10641         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
10642         update single exit information.
10643         * lambda-code.c (perfect_nestify): Ditto.
10644         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
10645         (mark_single_exit_loops): Removed.
10646         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
10647         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
10648         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
10649         functions.
10650         (get_loop_exit_edges, single_exit): Use recorded exit lists.
10651         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
10652         (verify_loop_structure): Verify consistency of the exit lists.
10653         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
10654         (set_single_exit): Removed.
10655         * cfgloop.h (struct loop_exit): New function.
10656         (struct loop): single_exit_ field replaced by exits field.
10657         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
10658         (struct loops): Added exits hash.
10659         (mark_single_exit_loops, set_single_exit): Declaration removed.
10660         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
10662 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10664         * doc/invoke.texi: Avoid use of @headitem.
10666 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10668         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
10670 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10672         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
10673         list of targets.
10675 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10676             Richard Sandiford  <richard@codesourcery.com>
10678         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
10679         * config/m68k/m68k.opt: Resort options.
10680         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
10682 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10683             Richard Sandiford  <richard@codesourcery.com>
10685         * doc/invoke.texi: Document the macros that are defined by
10686         m68k's -mtune and -mhard-float options.
10687         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
10688         (m68k_cpp_cpu_family): Likewise.
10689         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
10690         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
10691         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
10692         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
10693         (m68k_cpp_cpu_family): Likewise.
10695 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10697         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
10698         macros besides mc68000 as tuning macros.  Use a switch statement
10699         to set them and mcpu32.
10701 2007-01-12  Julian Brown  <julian@codesourcery.com>
10703         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
10704         (TARGET_68040_ONLY): Rename to...
10705         (TARGET_68040): ...this.
10706         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
10707         * config/m68k/m68k.md: Likewise.
10709 2007-01-12  Julian Brown  <julian@codesourcery.com>
10710             Nathan Sidwell  <nathan@codesourcery.com>
10711             Richard Sandiford  <richard@codesourcery.com>
10713         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
10714         the -mcpu= argument associated with the --with-cpu setting.
10715         Define M68K_DEFAULT_TUNE to the default -mtune= option,
10716         if different from the one implied by the -mcpu setting.
10717         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
10718         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
10719         * doc/invoke.texi: Mention ColdFire in the introduction to the
10720         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
10721         -mno-div and -mhard-float options.  Make -m68881 a synonym for
10722         -mhard-float.  Document the previously-undocumented -m5206e,
10723         -m528x, -m5307 and -m5407 options.  Tweak the existing option
10724         documentation for consistency.
10725         * doc/install.texi: Mention new --with-cpu arguments.
10726         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
10727         default CPU if neither -mcpu nor -march are specified.
10728         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
10729         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
10730         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
10731         using m68k_tune to decide between families that implement the
10732         same ISA.  Use m68k_tune to set __mcfv4e__.
10733         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
10734         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
10735         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
10736         (FL_ISA_C, FL_ISA_MMU): New macros.
10737         (MASK_COLDFIRE): Delete.
10738         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
10739         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
10740         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
10741         (TARGET_HARD_FLOAT): Do not define here.
10742         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
10743         (TUNE_68000): New macro.
10744         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
10745         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
10746         (TUNE_CFV2): Redefine in terms of m68k_tune.
10747         (uarch_type, target_device, fpu_type): New enums.
10748         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
10749         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
10750         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
10751         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
10752         (FL_FOR_isa_c): New macros.
10753         (m68k_isa): New enum.
10754         (m68k_target_selection): New structure.
10755         (all_devices, all_isas, all_microarchs): New tables.
10756         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
10757         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
10758         (MASK_ALL_CPU_BITS): Delete.
10759         (m68k_find_selection): New function.
10760         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
10761         Map the legacy target options to a combination of the new ones.
10762         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
10763         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
10764         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
10765         settings.
10766         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
10767         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
10768         properties.
10769         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
10770         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
10771         * config/m68k/m68k-devices.def: New file.
10773 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10774             Nathan Sidwell  <nathan@codesourcery.com>
10776         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
10777         (SUBTARGET_EXTRA_SPECS): New macros.
10778         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
10779         use %(asm_cpu_spec) instead.
10780         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
10781         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
10782         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
10783         (EXTRA_SPECS): Rename to...
10784         (SUBTARGET_EXTRA_SPECS): ...this.
10786 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10787             Richard Sandiford  <richard@codesourcery.com>
10788             Julian Brown  <julian@codesourcery.com>
10790         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10791         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
10792         to the configuration's default CPU.
10793         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
10794         Remove default masks.
10795         (m680[012]0-*-*): Set the default with_cpu to the first part of
10796         the target name.
10797         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
10798         (m68k*-*-linux): Extend the --with-cpu handling to...
10799         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
10800         and m68010.  Don't set target_cpu_default2.
10801         * doc/install.texi: Document --with-cpu for m68k.
10802         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
10803         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
10804         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
10805         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
10806         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
10807         (ASM_SPEC): Remove use of %(asm_cpu_default).
10808         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
10809         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
10810         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
10811         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
10812         __HAVE_FPU__ if TARGET_HARD_FLOAT.
10813         (TARGET_DEFAULT): Delete.
10814         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
10815         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
10816         (CPP_CPU_SPEC): Delete.
10817         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
10818         the appropriate string.
10819         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
10820         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
10821         (ASM_SPEC): Don't use %(asm_default_spec).
10822         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10823         TARGET_DEFAULT and add MASK_68881.
10824         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
10826 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10828         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
10829         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
10830         MASK_68010 alongside MASK_68020.
10831         * doc/invoke.texi: Document -m68010.
10832         * config/m68k/m68k.opt (m68010): New.
10833         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
10834         if TUNE_68010.
10835         (TUNE_68010): New macro.
10836         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
10837         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
10838         (M68K_CPU_m68332): Add MASK_68010.
10839         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
10840         fallback definition.
10841         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
10842         defines.
10843         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
10844         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
10845         to all entries that use MASK_68020.
10846         (output_move_simode_const, output_move_himode, output_move_qimode)
10847         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
10848         instead of TARGET_68020 to select clr behavior.  Remove comment
10849         about there being no TARGET_68010.
10850         * config/m68k/m68k.md: Likewise throughout.
10852 2007-01-12  Julian Brown  <julian@codesourcery.com>
10854         * config/m68k/m68k.h (TARGET_ISAB): New macro.
10855         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
10856         * config/m68k/m68k.md: Likewise.
10858 2007-01-12  Julian Brown  <julian@codesourcery.com>
10860         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
10861         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
10863 2007-01-12  Julian Brown  <julian@codesourcery.com>
10865         * config/m68k/m68k.h (TUNE_68040_60): New macro.
10866         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
10867         * config/m68k/m68k.md: Likewise.
10869 2007-01-12  Julian Brown  <julian@codesourcery.com>
10870             Richard Sandiford  <richard@codesourcery.com>
10872         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
10873         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
10874         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
10875         TARGET_CPU32.
10876         (TARGET_CPU32): Rename to...
10877         (TUNE_CPU32): ...this.
10878         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
10879         (TUNE_CFV2): New macros.
10880         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
10881         remove conditions that are implied by TARGET_68020.
10882         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
10883         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
10884         (m68k_output_function_epilogue): Likewise.
10885         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
10886         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
10887         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
10888         non-68000 timings.  Refactor multiplication and division costs.
10889         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
10890         TUNE_CPU32 instead of TARGET_CPU32.
10891         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
10892         and TUNE_68060 instead of TARGET_68060.
10893         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
10894         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
10895         TARGET_CPU32.
10896         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
10897         && !TARGET_COLDFIRE" to choose between moveq and clr.
10898         Likewise in the unnamed movsf pattern.
10899         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
10900         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
10901         ashiftrt pattern.
10903 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10905         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
10906         of tabbing before backslashes.
10908 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10910         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
10911         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
10912         (ASM_OUTPUT_INTERNAL_LABEL): Define.
10914 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
10916         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
10917         find_interesting_uses_cond.
10918         (find_interesting_uses_cond): Use extract_cond_operands.
10919         (rewrite_use_compare): Use extract_cond_operands and
10920         force_gimple_operand_bsi.  Do not call update_stmt.
10921         (determine_use_iv_cost_condition): Use extract_cond_operands.
10922         Return cheaper of using original bound and changing the exit bound.
10924 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
10926         PR tree-optimization/29516
10927         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
10928         most_expensive_mult_to_index, addr_to_parts,
10929         create_mem_ref, maybe_fold_tmr): Make the type of
10930         fields of TARGET_MEM_REF sizetype.
10931         (move_fixed_address_to_symbol, move_pointer_to_base):
10932         New functions.
10933         * tree.def (TARGET_MEM_REF): Add comment on types of
10934         the operands.
10936 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
10938         * c-common.c (vector_types_convertible_p): Treat opaque types as
10939         always convertible if they have the same size, but not otherwise.
10941 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
10943         * ifcvt.c (struct noce_if_info): Add comments to the fields.
10944         Remove the b_unconditional field.
10945         (noce_try_sign_mask): Do not look at b_unconditional.
10946         (noce_process_if_block): Do not use merge_if_blocks.  Update
10947         the CFG here.  Do not set b_unconditional.
10948         (cond_move_process_if_block): Likewise.
10949         (find_cond_trap): Likewise.
10950         (check_cond_move_block): Require simple jump insns at the end
10951         of the basic block.
10953 2007-01-11  Jan Hubicka  <jh@suse.cz>
10955         PR tree-optimization/1046
10956         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
10957         when alias info is not ready.
10958         (pass_tail_recursion): Do not require aliasing.
10959         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
10960         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
10961         * tree-ssa-copy.c (pass_copy_prop): Likewise.
10962         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
10963         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
10964         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
10965         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
10966         before inlining.
10967         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
10968         When aliasing is not build, mark statement as volatile.
10970 2007-01-11  Tom Tromey  <tromey@redhat.com>
10972         PR preprocessor/15185, PR preprocessor/20989:
10973         * doc/cppopts.texi <-MT>: Update description of algorithm for
10974         computing default target.
10975         <-M, -MD>: Reword "basename" text.
10977 2007-01-11  Roger Sayle  <roger@eyesopen.com>
10979         * builtins.c (expand_builtin_pow, expand_builtin_powi,
10980         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
10981         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
10982         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
10983         fold_builtin_bswap, real_constp, fold_builtin_pow,
10984         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
10985         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
10986         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10987         * convert.c (convert_to_pointer): Likewise.
10988         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
10989         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
10990         const_binop, fold_convert_const_int_from_int,
10991         fold_convert_const_int_from_real,
10992         fold_convert_const_real_from_real, sign_bit_p,
10993         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
10994         fold_sign_changed_comparison, fold_unary, fold_comparison,
10995         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
10996         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
10997         * print-tree.c (print_node_brief, print_node): Likewise.
10998         * stor-layout.c (place_field, layout_type): Likewise.
10999         * tree-chrec.c (keep_cast): Likewise.
11000         * tree.c (build_vector, build_real, build_real_from_int_cst,
11001         build_complex): Likewise.
11003 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11005         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
11006         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11008 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
11010         * configure.ac (strict1_warn): Rename to strict_warn.
11011         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11012         cc_set_by_configure, quoted_cc_set_by_configure,
11013         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11014         all_boot_languages, all_stagestuff): Remove.
11015         (target_list): Remove bootstrap targets.
11016         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11017         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11018         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11019         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11020         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11021         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11022         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11023         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11024         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11025         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11026         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11027         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11028         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11029         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11030         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11031         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11032         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11033         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11034         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11035         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11036         (mostlyclean): Adjust.
11037         (clean, distclean): Don't mention bootstrap stuff.
11038         * configure: Regenerate.
11039         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11040         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11041         treelang/config-lang.in (stagestuff): Remove.
11042         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11043         stageprofile, stagefeedback, stagestuff): Remove mention.
11045 2007-01-11  Nick Clifton  <nickc@redhat.com>
11047         * config/mcore/predicates.md (mcore_general_movesrc_operand):
11048         Accept CONSTs.
11049         (mcore_general_movdst_operand): Do not accept CONST_INTs.
11050         (mcore_arith_K_S_operand): Run the test for the S constraint not
11051         the test for the M constraint.
11052         (mcore_addsub_operand): Do not accept integer values that are
11053         larger than 32 bits.
11054         * config/mcore/mcore.md: Remove unused constraints from split.
11055         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11056         (addsi3): Likewise.
11057         (allocate_stack): Likewise.
11058         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
11059         operands to 32 bits.
11060         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
11061         INTVAL.
11062         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
11063         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
11064         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
11065         mcore_output_bclri, mcore_output_andn, output_inline_const,
11066         mcore_output_move, mcore_output_movedouble): Likewise.
11067         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
11068         (output_inline_const): Likewise.
11069         (output_inline_const): Fix format strings used in sprintf
11070         statements.
11071         * config/mcore/mcore-protos.h: Update prototypes for changed
11072         functions in mcore.c.
11073         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
11074         HOST_WIDE_INT and not int.
11075         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
11076         CONST_OK_FOR_N): Likewise.
11077         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
11078         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
11079         an INTVAL.
11081 2007-01-10  Jan Hubicka  <jh@suse.cz>
11083         * tree-vrp.c (remove_range_assertions): Release defs.
11084         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
11085         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
11087 2007-01-10  Paul Brook  <paul@codesourcery.com>
11089         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
11090         * config/arm/arm.md (mulsi3subsi): New insn.
11092 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
11094         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
11095         (tree_transform_and_unroll_loop): New.
11096         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
11097         Declare.
11099 2007-01-10  Robert Kennedy <jimbob@google.com>
11101         * fold-const.c (fold_comparison): Fold comparisons like (x *
11102         1000 < 0) to (x < 0).
11104 2007-01-10  Ian Lance Taylor  <iant@google.com>
11106         * tree-pretty-print.c (dump_generic_node): Print parentheses when
11107         operands have the same priority.
11109 2007-01-10  Tom Tromey  <tromey@redhat.com>
11111         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
11112         (fold_binary): Likewise.
11113         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
11114         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
11115         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
11116         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
11117         * langhooks.h (struct lang_hooks): Removed field
11118         'can_use_bit_fields_p'.
11120 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
11122         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
11124 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
11126         * function.c (get_last_funcdef_no): New function.
11127         * function.h (get_last_funcdef_no): Declare.
11128         * tree-inline.c (initialize_cfun): Add initialization.
11129         (tree_function_versioning): Cleanup.
11131 2007-01-10  Jan Hubicka  <jh@suse.cz>
11133         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
11134         PHIs.
11136 2007-01-10  Sa Liu  <saliu@de.ibm.com>
11137             Ben Elliston  <bje@au.ibm.com>
11139         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
11140         for SAVE_NONLOCAL and Pmode for any other save level.
11141         * spu-protos.h (spu_restore_stack_block): Declare.
11142         * spu.md (save_stack_block): Remove.
11143         (restore_stack_block): Call spu_restore_stack_block.
11144         * spu.c (spu_restore_stack_block): New function.
11145         (spu_expand_epilogue): Remove old comment.
11147 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
11149         PR tree-optimization/30322
11150         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
11151         (cand_value_at): Return the value as aff_tree.
11152         (may_eliminate_iv): Convert the bound from aff_tree to tree.
11153         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
11154         aff_combination_mult): New functions.
11155         (aff_combination_add): Use aff_combination_add_cst.
11156         (aff_combination_convert): Allow conversions to a wider type.
11157         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
11158         * tree-affine.h (aff_combination_mult): Declare.
11160 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
11162         * doc/tm.texi: Update documentation to reflect reality of exec
11163         and start file search behaviours. Update copyright year.
11164         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
11165         header file directories.
11167 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
11169         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
11170         (*cosxf2): Rename to cosxf2_i387.
11171         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
11172         using X87MODEF12 mode macro. Rename patterns to
11173         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
11174         for SSE math.
11175         (*cosdf2, *cossf2): Ditto.
11176         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
11177         to match extended input operands.
11178         (sincos<mode>3): New expander.
11179         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
11180         insn patterns and corresponding splitters.
11182 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
11184         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
11185         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
11187 2007-01-09  Nicolas Pitre  <nico@cam.org>
11189         PR target/30173
11190         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
11192 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11194         * target.h (struct gcc_target): New field library_rtti_comdat.
11195         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
11196         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
11197         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
11198         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
11200 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11202         * doc/invoke.texi (Optimize Options): Correct description of -O0.
11204 2007-01-08  Richard Guenther  <rguenther@suse.de>
11206         * tree.h (force_fit_type_double): Export.
11207         (force_fit_type): Remove.
11208         * fold-const.c (force_fit_type_double): New function.
11209         (force_fit_type): Remove.
11210         (int_const_binop): Use it.
11211         (fold_convert_const_int_from_int): Likewise.
11212         (fold_convert_const_int_from_real): Likewise.
11213         (fold_div_compare): Likewise.
11214         (fold_sign_changed_comparison): Likewise.
11215         (fold_unary): Likewise.
11216         (fold_negate_const): Likewise.
11217         (fold_abs_const): Likewise.
11218         (fold_not_const): Likewise.
11219         * c-common.c (shorten_compare): Use force_fit_type_double.
11220         * convert.c (convert_to_pointer): Likewise.
11222 2007-01-08  Richard Guenther  <rguenther@suse.de>
11224         * tree.h (build_int_cst_wide_type): Export.
11225         * tree.c (build_int_cst_wide_type): New function.
11226         (build_int_cst_wide): Fix comment.
11227         * builtins.c (fold_builtin_object_size): Use build_int_cst
11228         to build -1 or 0 of the correct type.  Use fit_double_type
11229         to check for overflow.
11230         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
11231         to build the mask.
11232         (decode_field_reference): Likewise.
11233         (all_ones_mask_p): Likewise.
11234         (native_interpret_int): Use build_int_cst_wide_type.
11235         (fold_binary): Use build_int_cst_type to build an all-ones
11236         value.
11237         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
11239 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
11241         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
11243 2007-01-09  Ben Elliston  <bje@au.ibm.com>
11245         * genautomata.c (STATS_OPTION): New option.
11246         (stats_flag): New flag.
11247         (gen_automata_option): Handle it.
11248         (initiate_automaton_gen): Ditto.
11249         (write_automata): Output statistics only if stats_flag is
11250         set. Likewise, output time statistics only if time_flag is set.
11251         * doc/md.texi (Processor pipeline description): Document new flag.
11253 2007-01-08  Richard Guenther  <rguenther@suse.de>
11255         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
11256         * tree.c (build_int_cst_type): Likewise.
11257         (size_in_bytes): Don't call force_fit_type on the result.
11258         (int_fits_type_p): Use fit_double_type.
11259         * fold-const.c (fit_double_type): New function.
11260         (force_fit_type): Use it.
11261         * tree.h (fit_double_type): Export.
11263 2007-01-08  Jan Hubicka  <jh@suse.cz>
11265         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
11266         * ipa.c (function_and_variable_visibility): Fix return type.
11268 2007-01-08  Richard Guenther  <rguenther@suse.de>
11270         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
11271         of offset to build the index.
11272         * tree-pretty-print.c (dump_generic_node): Don't build negated
11273         const just for printing.
11274         * c-pretty-print.c (pp_c_integer_constant): Likewise.
11275         * builtins.c (fold_builtin_int_roundingfn): Check if result
11276         fits the type by using force_fit_type and comparing the result.
11277         * predict.c (predict_loops): Use compare_tree_int for comparison.
11278         * tree.c (build_int_cst): Fall back to integer_type_node for
11279         NULL_TREE type.
11280         (build_int_cst_wide): Assert type is non-null.
11282 2007-01-08  Roberto Costa  <roberto.costa@st.com>
11284         * tree-vrp.c (extract_range_from_cond_expr): New.
11285         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
11286         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
11287         as expressions.
11288         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
11289         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
11290         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
11291         used as expressions.
11292         * tree-object-size.c (cond_expr_object_size): New.
11293         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
11295 2007-01-08  Jan Hubicka  <jh@suse.cz>
11297         * tree-ssa-forwprop.c (forward_propagate_into_cond,
11298         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
11299         statement.
11301 2007-01-08  Richard Guenther  <rguenther@suse.de>
11303         PR tree-optimization/23603
11304         * tree-vrp.c (set_value_range_to_truthvalue): New function.
11305         (extract_range_from_binary): Fall back to truthvalue instead of
11306         varying for TRUTH_*_EXPR.
11307         (extract_range_from_comparison): Fall back to truthvalue instead of
11308         varying.
11309         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
11310         if all visited PHI values were constant.
11312 2007-01-08  Jan Hubicka  <jh@suse.cz>
11314         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
11315         (cgraph_analyze_function): break out from ...
11316         (cgraph_finalize_compilation_unit): ... here.
11317         (cgraph_expand_function): Remove forgoten commented out line.
11318         (cgraph_optimize): Analyze functions.
11320 2007-01-08  Jan Hubicka  <jh@suse.cz>
11322         * tree-pas.h (TODO_remove_function): New flag.
11323         (TODO_update*): Renumber.
11324         (pass_ipa_increase_alignment,
11325         pass_ipa_function_and_variable_visibility): New passes.
11326         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
11327         (cgraph_function_and_variable_visibility): Move to ipa.c
11328         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
11329         cgraph_increase_alignment.
11330         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
11331         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
11332         calling tree-inline.
11333         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
11334         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
11335         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
11336         (gate_increase_alignment): New function.
11337         (pass_ipa_increase_alignment): New pass.
11338         * ipa.c: Inline tree-pass.h and timevar.h
11339         (function_and_variable_visibility): Move here from cgraphunit.c
11340         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
11341         * passes.c (init_optimization_passes): Add the two new passes.
11342         (execute_todo): Handle cgraph_remove_functions.
11344 2007-01-08  Nick Clifton  <nickc@redhat.com>
11346         * config/frv/predicates.md (reg_or_0_operand): Accept
11347         CONST_DOUBLEs.
11349 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
11351         * config/bfin/rtems.h, config/bfin/t-rtems: New.
11352         * config.gcc: Add bfin*-rtems*.
11354 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11356         * c.opt: Add -flax-vector-conversions.
11357         * c-typeck.c (convert_for_assignment): Pass flag to
11358         vector_types_convertible_p to allow emission of note.
11359         (digest_init): Likewise.
11360         * c-opts.c: Handle -flax-vector-conversions.
11361         * c-common.c (flag_lax_vector_conversions): New.
11362         (vector_types_convertible_p): Unless -flax-vector conversions
11363         has been passed, disallow conversions between vectors with
11364         differing numbers of subparts and/or element types.  If such
11365         a conversion is disallowed, possibly emit a note on the first
11366         occasion only to inform the user of -flax-vector-conversions.
11367         The new last argument specifies this.
11368         * c-common.h (flag_lax_vector_conversions): New.
11369         (vector_types_convertible_p): Add extra argument.
11370         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
11371         char_type_node for V*QI type vectors.
11372         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
11373         Update to satisfy new typechecking rules.
11374         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
11375         C and C++ variants.
11376         * doc/invoke.texi (C Dialect Options): Document
11377         -flax-vector-conversions.
11379 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11381         PR tree-optimization/29877
11382         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
11383         a register variable on the RHS to not be replaceable.
11385 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
11386         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
11387         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
11388         const_simm15, const_pow2, const_npow2): Added.
11389         * config/score/misc.md (insv, extv, extzv, movmemsi,
11390         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
11391         * config/score/score.c (score_address_cost, score_select_cc_mode):
11392         Added.
11393         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
11394         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
11395         Update score_print_operand.
11396         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
11397         Adjust register allocate order and update some macro define.
11398         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
11399         mdx_block_move_straight, mdx_block_move_loop_head,
11400         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
11401         mdx_block_move): Added.
11402         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
11403         mdp_limm): Updated and fix some bug and typo.
11404         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
11405         (movsf, movdf, doloop_end): Added.
11407 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
11409         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
11410         config/arm/thumb2.md: Fix comment typos.
11411         * doc/extend.texi: Fix a typo.
11413 2007-01-07  Eric Christopher  <echristo@apple.com>
11415         * configure.ac: Check for __stack_chk_fail for darwin.
11416         * configure: Regenerate.
11418 2007-01-07  Richard Guenther  <rguenther@suse.de>
11420         * tree-vrp.c (extract_range_from_assert): CSE calls to
11421         compare_values where possible.
11422         (extract_range_from_unary_expr): Likewise.
11424 2007-01-07  Anatoly Sokolov <aesok@post.ru>
11426         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
11427         * config/avr/avr.c (call_insn_operand): Delete function.
11428         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
11429         instead of register number. Use predicates.
11430         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
11431         call_insn_operand): Add.
11433 2007-01-06  Jan Hubicka  <jh@suse.cz>
11435         * tree-pass.h (pass_build_cgraph_edges): Declare.
11436         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
11437         (visited_nodes): Remove.
11438         (cgraph_create_edges): Move to cgraphbuild.c; rename to
11439         build_cgrpah_edges; make visited_nodes local.
11440         (cgraph_process_new_functions): DO not call initialize_inline_failed.
11441         (record_references_in_initializer): Move to cgraphbuild.c
11442         (initialize_inline_failed, rebuild_cgraph_edges,
11443         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
11444         (verify_cgraph_node): Make visited_nodes local.
11445         (cgraph_analyze_function): Do not call cgraph_create_edges and
11446         initialize_inline_failed.
11447         (cgraph_expand_function): Do not call cgraph_lower_function;
11448         assert that function is already lowered.
11449         * Makefile.in (cgraphbuild.o): New.
11450         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
11451         at the end of lowering passes.
11453 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
11455         * ifcvt.c (cond_move_convert_if_block): New function, code
11456         factored out from...
11457         (cond_move_process_if_block): ...here.  Call the new function
11458         on the THEN and ELSE blocks.
11459         (merge_if_block): Do not copy global_live_at_end, merge_blocks
11460         already takes care of this.
11462 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11464         PR c/19978
11465         * tree.h (TREE_OVERFLOW_P): New.
11466         * c-typeck.c (parser_build_unary_op): Warn only if result
11467         overflowed and operands did not.
11468         (parser_build_binary_op): Likewise.
11469         (convert_for_assignment): Remove redundant overflow_warning.
11470         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
11472 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11474         * c-typeck.c (store_init_value): Split over two lines to follow
11475         the GNU coding style.
11477 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
11479         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
11480         __GXX_EXPERIMENTAL_CXX0X__.
11481         * doc/cpp.texi: Same.
11483 2007-01-05  Richard Guenther  <rguenther@suse.de>
11485         PR middle-end/27826
11486         * tree.c (get_narrower): Do not construct COMPONENT_REFs
11487         with mismatched types.  Instead explicitly build a
11488         conversion NOP_EXPR.
11490 2007-01-05  Ian Lance Taylor  <iant@google.com>
11492         * c-common.c (decl_with_nonnull_addr_p): New function.
11493         (c_common_truthvalue_conversion): Call it.
11494         * c-typeck.c (build_binary_op): Likewise.
11495         * c-common.h (decl_with_nonnull_addr_p): Declare.
11497 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
11499         PR c/30360
11500         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
11501         denom against 0.0.
11503 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
11505         * doc/install.texi (Final install): Document the fact that
11506         the GNAT runtime should not be stripped.
11508 2007-01-04  Jan Hubicka  <jh@suse.cz>
11510         * tree-inline.c (fold_marked_statements): Update operand caches
11511         and EH after folding
11513 2007-01-04  Ian Lance Taylor  <iant@google.com>
11515         * c-common.c (check_function_nonnull): Whitespace fix.
11517 2007-01-04  Jan Hubicka  <jh@suse.cz>
11519         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
11520         comitted older version of patch.
11521         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
11522         function, celanup cfg and collect garbage.
11524 2007-01-04  Mike Stump  <mrs@apple.com>
11526         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
11527         (clean): Likewise.
11529 2007-01-04  Eric Christopher  <echristo@apple.com>
11531         * libgcc2.c (__bswapsi2): Use SItype.
11532         (__bswapdi2): Use DItype.
11533         * libgcc2.h: Update for above.
11535 2007-01-04  Paul Brook  <paul@codesourcery.com>
11537         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
11538         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
11539         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
11540         umulsidi3, umulsidi3adddi, smulsi3_highpart,
11541         umulsi3_highpart): Make conditional on !arm_arch6.
11542         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
11543         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
11544         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
11545         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
11546         umulsi3_highpart_v6): New insns.
11548 2007-01-04  Roger Sayle  <roger@eyesopen.com>
11550         * fold-const.c (fold_convert): When casting an expression to void,
11551         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
11552         have a type.  Instead of attempting to build a NOP_EXPR, return
11553         these "special" trees directly.
11555 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
11557         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
11558         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
11559         rs6000_cost->fp not 0 as adjustment for outer NEG.
11561 2007-01-04  Jan Hubicka  <jh@suse.cz>
11563         * cgraph.c (cgraph_release_function_body): New function.
11564         (cgraph_remove_node): Use it.
11565         * cgraph.h (cgraph_release_function_body): Declare.
11566         * cgraphunit.c (cgraph_expand_function): Use it.
11567         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
11568         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
11569         is initialized and while compilation of other function is running.
11570         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
11571         statement CFG annotations from here to ...
11572         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
11574 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
11576         * cfgloop.h (enum li_flags): Make the constants powers of two.
11578 2007-01-04  Jan Hubicka  <jh@suse.cz>
11580         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
11581         set.
11582         (fold_marked_statements): New function.
11583         (optimize_inline_calls, tree_function_versioning): Fold new statements.
11584         * tree-inline.h (copy_body_data): Add statements_to_fold.
11586 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
11588         * config.gcc: Mention libgcc/config.host.
11589         * Makefile.in: Update comments mentioning libgcc.
11590         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
11591         (all.cross, start.encap, rest.encap, rest.cross): Update
11592         dependencies for libgcc move.
11593         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
11594         (clean-target, clean-target-libgcc): Delete.
11595         (srcdirify, GCC_EXTRA_PARTS): New macros.
11596         (libgcc-support, libgcc.mvars): New rules.
11597         (distclean): Remove mention of mklibgcc.
11598         (install): Don't reference INSTALL_LIBGCC.
11599         (install-common): Don't reference EXTRA_PARTS.
11600         (install-libgcc, install-multilib): Delete rules.
11601         * mklibgcc.in: Delete file.
11602         * doc/configfiles.texi: Don't mention mklibgcc.
11604         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
11605         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
11606         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
11607         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
11608         (mklibgcc, ldblspecs): Likewise.
11610         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
11611         (posixpre.def): Use $(T).
11612         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
11613         (SHLIB_SRC, SHLIB_INSTALL): Delete.
11614         (SHLIB_LINK): Make dummy.
11615         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
11617         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
11619         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
11620         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
11621         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
11622         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
11624         * configure.ac (all_outputs): Remove mklibgcc.
11625         * configure: Regenerated.
11627 2007-01-03  Josh Conner  <jconner@apple.com>
11629         PR middle-end/29683
11630         * calls.c (compute_argument_addresses): Set stack and stack_slot
11631         for partial args, too.
11632         (store_one_arg): Use locate.size.constant for the size when
11633         generating a save_area.
11635 2007-01-03  Robert Kennedy <jimbob@google.com>
11637         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
11638         whose definitions are deleted due to basic block merging.
11640 2007-01-03  Paul Brook  <paul@codesourcery.com>
11642         PR target/16634
11643         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
11644         functions.
11645         (use_return_insn): Return 0 for Thumb interrupt functions.
11646         (print_multi_reg): Add rfe argument for IRQ returns.
11647         (arm_output_epilogue): Pop interrupt return address directly into PC.
11648         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
11650 2007-01-03  Paul Brook  <paul@codesourcery.com>
11652         Merge from sourcerygxx-4_1.
11653         * config/arm/thumb2.md: New file.
11654         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
11655         Thumb-2.
11656         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
11657         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11658         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
11659         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
11660         tables.
11661         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11662         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
11663         comptibility.
11664         * config/arm/ieee754-sf.S: Ditto.
11665         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
11666         (thumb1_base_register_rtx_p): ... to this.
11667         (thumb_index_register_rtx_p): Rename...
11668         (thumb1_index_register_rtx_p): ... to this.
11669         (thumb_output_function_prologue): Rename...
11670         (thumb1_output_function_prologue): ... to this.
11671         (thumb_legitimate_address_p): Rename...
11672         (thumb1_legitimate_address_p): ... to this.
11673         (thumb_rtx_costs): Rename...
11674         (thumb1_rtx_costs): ... to this.
11675         (thumb_compute_save_reg_mask): Rename...
11676         (thumb1_compute_save_reg_mask): ... to this.
11677         (thumb_final_prescan_insn): Rename...
11678         (thumb1_final_prescan_insn): ... to this.
11679         (thumb_expand_epilogue): Rename...
11680         (thumb1_expand_epilogue): ... to this.
11681         (arm_unwind_emit_stm): Rename...
11682         (arm_unwind_emit_sequence): ... to this.
11683         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
11684         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
11685         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
11686         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
11687         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
11688         thumb2_output_casesi): New functions.
11689         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
11690         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
11691         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
11692         THUMB2_WORK_REGS): Define.
11693         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
11694         arm_condexec_mask, arm_condexec_masklen)): New variables.
11695         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
11696         (arm_override_options): Check new CPU capabilities.
11697         Set new architecture flag variables.
11698         (arm_isr_value): Handle v7m interrupt functions.
11699         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
11700         Thumb-2.
11701         (const_ok_for_arm): Handle Thumb-2 constants.
11702         (arm_gen_constant): Ditto.  Use movw when available.
11703         (arm_function_ok_for_sibcall): Return false for v7m interrupt
11704         functions.
11705         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
11706         (thumb_find_work_register, arm_load_pic_register,
11707         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
11708         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
11709         print_multi_reg, output_mov_long_double_fpa_from_arm,
11710         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
11711         output_mov_double_fpa_from_arm, output_move_double,
11712         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
11713         output_return_instruction, arm_output_function_prologue,
11714         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
11715         arm_output_mi_thunk, thumb_set_return_address): Ditto.
11716         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
11717         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
11718         (arithmetic_instr, shift_op): Use arm_shift_nmem.
11719         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
11720         '!' and 'L'.
11721         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
11722         (thumb_expand_prologue): Use thumb_set_frame_pointer.
11723         (arm_file_start): Output directive for unified syntax.
11724         (arm_unwind_emit_set): Handle stack alignment instruction.
11725         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
11726         Add v6t2, v7, v7a, v7r and v7m.
11727         (RETLDM): Add Thumb-2 code.
11728         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
11729         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
11730         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
11731         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
11732         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
11733         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
11734         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
11735         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
11736         ADJUST_INSN_LENGTH): Define.
11737         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
11738         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
11739         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
11740         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
11741         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
11742         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
11743         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
11744         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
11745         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
11746         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
11747         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
11748         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
11749         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
11750         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
11751         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
11752         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
11753         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
11754         cortex-m3.
11755         * config/arm/arm-tune.md: Regenerate.
11756         * config/arm/arm-protos.h: Update prototypes.
11757         * config/arm/vfp.md: Enable patterns for Thumb-2.
11758         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
11759         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
11760         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
11761         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
11762         * config/arm/libunwind.S: Add Thumb-2 code.
11763         * config/arm/constraints.md: Update include Thumb-2.
11764         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
11765         * config/arm/ieee754-df.S: Ditto.
11766         * config/arm/bpabi.S: Ditto.
11767         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
11768         * config/arm/predicates.md (low_register_operand,
11769         low_reg_or_int_operand, thumb_16bit_operator): New.
11770         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
11771         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
11772         * config/arm/t-arm-elf: Add armv7 multilib.
11773         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
11774         Include thumb2.md.
11775         (UNSPEC_STACK_ALIGN, ce_count): New.
11776         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
11777         arm_zero_extendsidi2, arm_zero_extendqidi2): New
11778         insns/expanders.
11779         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
11780         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
11781         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
11782         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
11783         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
11784         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
11785         insns.
11786         * doc/extend.texi: Document ARMv7-M interrupt functions.
11787         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
11789 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
11791         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
11792         (struct _Unwind_Context): Rename args_size to flags, remove
11793         signal_frame field, add a new args_size field and version field.
11794         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
11795         _Unwind_IsExtendedContext): New inline functions.
11796         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11797         Assume by_value array is only present if _Unwind_IsExtendedContext.
11798         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
11799         _Unwind_IsSignalFrame.
11800         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
11801         (uw_update_context_1): Use _Unwind_SetSignalFrame.
11802         (uw_init_context_1): Initialize context->flags to
11803         EXTENDED_CONTEXT_BIT.
11804         * config/rs6000/linux-unwind.h (frob_update_context): Use
11805         _Unwind_SetSignalFrame.
11807 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11809         PR middle-end/30353
11810         * gimplify.c (gimplify_modify_expr_complex_part): Move below
11811         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
11812         the value.
11814 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
11816         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
11817         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
11818         RET, AT_SP): Remove.
11819         * config/i386/i386.md (*sse_prologue_save_insn): Use return
11820         instead of RET.
11822         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11823         * cfgbuild.c (find_basic_blocks): Likewise.
11824         * cfgrtl.c (rtl_create_basic_block): Likewise.
11825         * function.c (temp_slots_at_level): Likewise.
11826         * reg-stack.c (stack_regs_mentioned): Likewise.
11827         * regclass.c (allocate_reg_info): Likewise.
11828         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11829         set_bb_for_stmt, move_block_to_fn): Likewise.
11830         * tree-complex.c (tree_lower_complex): Likewise.
11831         * vec.h (VEC_safe_grow_cleared): New.
11833         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
11835 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
11837         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
11838         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
11839         to loop_version.
11840         * cfgloopmanip.c (scale_loop_frequencies): Export.
11841         (loopify): Scale the frequencies by prescribed coefficients.
11842         (set_zero_probability): New function.
11843         (duplicate_loop_to_header_edge): Improve updating of frequencies.
11844         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
11845         and frequencies according to arguments.
11846         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
11847         correctly.
11848         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
11849         * modulo-sched.c (sms_schedule): Set probabilities for entering
11850         versioned loop correctly.
11851         * tree-vect-transform.c (vect_transform_loop): Ditto.
11852         * cfgloop.h (loopify, loop_version): Declaration changed.
11853         (scale_loop_frequencies): Declared.
11855 2007-01-02  Jan Hubicka  <jh@suse.cz>
11857         * cgraph.c: Include tree-flow.h
11858         (cgraph_add_new-function): Handle IPA_SSA mode; execute
11859         early_local_passes.
11860         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
11861         * tree-pass.h (pass_all_early_optimizations): Declare.
11862         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
11863         early_local_passes.
11864         (cgraph_analyze_function): Do early_local_passes.
11865         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11866         Do not add referenced vars.
11867         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
11868         SSA form.
11869         (gate_all_early_local_passes): New gate.
11870         (pass_early_local_passes): Use new gate.
11871         (execute_early_local_optimizations): New functions.
11872         (gate_all_early_optimizations): New gate.
11873         (pass_all_early_optimizations): New pass.
11874         (execute_free_datastructures): Free SSA only when initialized.
11875         (gate_init_datastructures): Init only when optimizing.
11876         (tree_lowering_passes): Do early local passes when called late.
11877         * tree-profile.c (do_tree_profiling): Don't profile functions added
11878         late.
11879         (do_early_tree_profiling, pass_early_tree_profile): Kill.
11880         * tree-cfg.c (update_modified_stmts): Do not update when operands are
11881         not active.
11882         * passes.c (init_optimizations_passes): Reorder so we go into SSA
11883         during early_local_passes.
11884         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
11887 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
11889         * Makefile.in: Update copyright year.
11891 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
11893         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
11894         in $(lang_checks) and check-consistency targets.
11896 2007-01-02  Jan Hubicka  <jh@suse.cz>
11898         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11899         Do not add referenced vars.
11900         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
11901         are not active.
11902         * passes.c (init_optimization_passes): Put mudflap_2 after
11903         free_datastructures.
11905 2007-01-02  Jan Hubicka  <jh@suse.cz>
11907         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
11908         Set NOTHROW flag on call statements proved to be nothrow.
11909         Update statement of local calls so new pure/const functions are
11910         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
11911         goto receivers.
11912         (tree_rest_of_compilation): Register hooks and initialize bitmap
11913         early. Do not set after_inlining flag.
11915 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
11917         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
11918         HOST_BITS_PER_LONGLONG
11920 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11922         PR c/19977
11923         * c-typeck.c (store_init_value): Don't emit pedantic overflow
11924         warning for non-static initializers.
11926 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
11928         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
11929         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
11930         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
11931         Always use set_unique_reg_note to add REG_EQUAL notes.
11933 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11935         Revert:
11936         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11938         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11939         * cfgbuild.c (find_basic_blocks): Likewise.
11940         * cfgrtl.c (rtl_create_basic_block): Likewise.
11941         * function.c (temp_slots_at_level): Likewise.
11942         * reg-stack.c (stack_regs_mentioned): Likewise.
11943         * regclass.c (allocate_reg_info): Likewise.
11944         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11945         set_bb_for_stmt, move_block_to_fn): Likewise.
11946         * tree-complex.c (tree_lower_complex): Likewise.
11947         * vec.h (VEC_safe_grow_cleared): New.
11949 2007-01-02  Ian Lance Taylor  <iant@google.com>
11951         * c-common.c (c_common_truthvalue_conversion): When warning about
11952         using an assignment as a truth value, set TREE_NO_WARNING.
11954 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11956         PR middle-end/7651
11957         * c.opt (Wold-style-declaration): New.
11958         * doc/invoke.texi (C-only Warning Options): New.
11959         (Wold-style-declaration): Document it.
11960         (Wextra): Enabled by -Wextra.
11961         * c-opts.c (c_common_post_options): Enabled by -Wextra.
11962         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
11963         -Wold-style-declaration.
11965 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11967         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11968         * cfgbuild.c (find_basic_blocks): Likewise.
11969         * cfgrtl.c (rtl_create_basic_block): Likewise.
11970         * function.c (temp_slots_at_level): Likewise.
11971         * reg-stack.c (stack_regs_mentioned): Likewise.
11972         * regclass.c (allocate_reg_info): Likewise.
11973         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11974         set_bb_for_stmt, move_block_to_fn): Likewise.
11975         * tree-complex.c (tree_lower_complex): Likewise.
11976         * vec.h (VEC_safe_grow_cleared): New.
11978 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
11980         * c-common.c (c_common_nodes_and_builtins): Since variants of
11981         void_type_node get built before it is given a name, we need to
11982         give those variants the name, too.
11983         (complete_array_type): We need to work with the canonical main
11984         type of the array, from which we will build the qualified version.
11985         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
11986         * print-tree.c (print_node): Display canonical type information
11987         for each type.
11988         * stor-layout.c (layout_type): When we don't know the
11989         alignment of a type for which we're building an array, we end up
11990         guessing wrong, so make the type require structural equality.
11991         * tree.c (make_node_stat): When we build a new type, it is its
11992         own canonical type.
11993         (build_type_attribute_qual_variant): When building an attribute
11994         variant, its canonical type is the non-attribute variant. However,
11995         if the attributes are target-dependent and they differ, we need to
11996         use structural equality checks for this type.
11997         (build_qualified_type): A qualified type is not equivalent to its
11998         unqualified variant; set the canonical type appropriately.
11999         (build_distinct_type_copy): When building a distinct type from
12000         another type, the new type is its own canonical type.
12001         (build_variant_type_copy): When building a new type variant, we
12002         assume that it is equivalent to the original type.
12003         (build_pointer_type_for_mode): When building a pointer type, also
12004         build a canonical type pointer.
12005         (build_reference_type_for_mode): When building a reference type,
12006         also build a canonical type reference.
12007         (build_index_type): When we can't hash an index type (e.g.,
12008         because its maximum value is negative), the index type requires
12009         structural equality tests.
12010         (build_array_type): Build the canonical form of an array type.
12011         (build_function_type): Function types require structural equality,
12012         because they contain default arguments, attributes, etc.
12013         (build_method_type_directly): Ditto for method types.
12014         (build_offset_type): Build the canonical offset type.
12015         (build_complex_type): Build the canonical vector type.
12016         (make_vector_type): Build the canonical vector type.
12017         * tree.h (TYPE_CANONICAL): New.
12018         (TYPE_STRUCTURAL_EQUALITY_P): New.
12019         (SET_TYPE_STRUCTURAL_EQUALITY): New.
12020         (struct tree_type): Added "canonical" field.
12021         * params.h (VERIFY_CANONICAL_TYPES): New.
12022         * doc/c-tree.texi (TYPE_CANONICAL): Document.
12023         (TYPE_STRUCTURAL_EQUALITY_P): Document.
12024         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12025         * doc/invoke.texi (verify-canonical-types): Document --param
12026         parameter for verifying canonical types.
12028 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12030         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12031         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12032         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12033         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12034         tm_file.
12035         * config/rs6000/e500.h: New.
12036         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12037         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12038         Remove.
12039         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12040         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12041         TARGET_E500_DOUBLE): Remove.
12042         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12043         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12044         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12045         * config/rs6000/rs6000.c (rs6000_override_options): Use
12046         CHECK_E500_OPTIONS.
12048 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12050         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12051         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12052         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12053         rs6000_emit_cmove): Don't check TARGET_E500.
12054         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12055         sordered): Don't check TARGET_E500.
12057 2007-01-01  Eric Christopher  <echristo@apple.com>
12059         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
12060         HARD_REGISTER_NUM_P.
12062 2007-01-01  Roger Sayle  <roger@eyesopen.com>
12064         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
12065         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
12066         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
12067         eq/ne Y".
12069 2007-01-01  Mike Stump  <mrs@apple.com>
12071         * configure.ac: Remove support for building with Apple's gcc-3.1.
12073 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12075         PR middle-end/30311
12076         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
12077         REG is a hard register.  Do not modify REG before calling
12078         subreg_nregs.
12079         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
12080         multiple of the size of YMODE for certain lowpart cases.
12082 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12084         PR middle-end/30253
12085         * gimplify (voidify_wrapper_expr): Update for
12086         GIMPLE_MODIFY_STMT.
12088 2007-01-01  Andreas Schwab  <schwab@suse.de>
12090         PR target/29166
12091         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
12092         save of BR0 in extra_spill_size instead of spill_size.
12093         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
12094         area.
12095         (ia64_expand_epilogue): Restore BR0 from its new location.
12097 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12099         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
12100         Use a temporary variable if the left hand side is not a gimple
12101         register.
12103 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12105         * gimplify.c (gimplify_return_expr): Make the temporary variable
12106         for the return expression, a gimple register variable.
12108 2007-01-01  Jan Hubicka  <jh@suse.cz>
12110         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
12111         INSN_LIST.
12113 2007-01-01  Mike Stump  <mrs@apple.com>
12115         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
12116         .literal16.
12117         * config/darwin.c (machopic_select_rtx_section): Use
12118         HAVE_GAS_LITERAL16.
12119         (darwin_mergeable_constant_section): Likewise.
12120         * configure: Regenerate.
12121         * config.in: Regenerate.
12123 2007-01-01  Jan Hubicka  <jh@suse.cz>
12124             Andrew Pinski  <pinskia@gmail.com>
12126         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
12127         before starting IPA passes.