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PR middle-end/30174
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2
3         PR middle-end/30174
4         * varasm.c (notice_global_symbol): Treat global objects as weak when
5         flag_shlib is true.
6
7 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8
9         * emit-rtl.c (dconstpi): Delete.
10         (dconstsqrt2): New.
11         (init_emit_once): Delete dconstpi and init dconstsqrt2.
12         * real.h (dconstpi): Delete.
13         (dconstsqrt2): New.
14         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
15         (fold_builtin_hypot): Likewise.
16
17 2007-02-03  Tom Tromey  <tromey@redhat.com>
18
19         PR driver/30246
20         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
21         -gcoff3, -gxcoff3, -gvms3 implies -dD.
22
23 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
24
25         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
26         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
27         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
28         config/rs6000/cell.md, config/rs6000/darwin.h,
29         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
30         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
31         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
32         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
33         typos.  Follow spelling conventions.
34         * doc/invoke.texi: Follow spelling conventions.
35
36 2007-02-03  Roger Sayle  <roger@eyesopen.com>
37
38         * simplify-rtx.c (simplify_relational_operation_1): Implement some
39         canonicalization transformations that attempt to simplify integer
40         constant comparisons to become comparisons against zero.
41
42 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
43
44         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
45         fabs(x)*sqrt(2).
46         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
47         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
48
49 2007-02-02  Mike Stump  <mrs@apple.com>
50
51         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
52         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
53         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
54         generate a branch island.
55
56 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
57
58         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
59         (xtensa_legitimate_address_p): New.
60         (xtensa_legitimize_address): New.
61         (xtensa_output_addr_const_extra): New.
62         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
63         (BASE_REG_P): New.
64         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
65         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
66         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
67         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
68         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
69         (xtensa_legitimize_address): New.
70         (xtensa_output_addr_const_extra): New.
71
72 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
73
74         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
75
76 2007-02-02  Ian Lance Taylor  <iant@google.com>
77
78         * expmed.c (expand_divmod): Add comment.
79
80 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
81
82         * emit-rtl.c (renumber_insns): Remove.
83         * flags.h: Remove the extern for flag_renumber_insns.
84         * rtl.h: Remove the prototype for renumber_insns.
85         * toplev.c (flag_renumber_insns): Remove.
86
87 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
88
89         Revert for x86 darwin:
90         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
91         
92         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
93         code before the following patch under TARGET_MACHO.
94         (ix86_function_value_regno_p): Likewise.
95
96 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
97
98         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
99         COMPLEX_EXPR.
100
101 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
102
103         PR target/29682
104         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
105         general or fp registers.  Add comments.
106         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
107
108 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
109
110         * pointer-set.c (insert_aux): Only return insertion slot.
111         (pointer_set_insert): Adjust.
112         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
113         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
114         pointer_map_traverse): New.
115         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
116         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
117         pointer_map_contains, pointer_map_traverse): Declare.
118
119 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
120
121         PR middle-end/30473
122         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
123         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
124
125 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
126
127         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
128         
129         (struct _dep): New type.
130         (dep_t): New typedef.
131         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
132         (DEP_STATUS): New access macro.  The macro with the same name was
133         renamed to DEP_LINK_STATUS.
134         (dep_init): Declare function
135
136         (struct _dep_link): New type.
137         (dep_link_t): New typedef.
138         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
139         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
140         (DEP_LINK_STATUS): New macro.
141         (debug_dep_links): New debug function.
142
143         (struct _deps_list): New type.
144         (deps_list_t): New typedef.
145         (DEPS_LIST_FIRST): New access macro.
146         (FOR_EACH_DEP_LINK): New cycle macro.
147         (create_deps_list, free_deps_list, delete_deps_list): Declare
148         functions.
149         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
150         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
151         (copy_deps_list_change_con): Ditto.
152
153         (move_dep_link): Declare function.
154
155         (struct _dep_node): New type.
156         (dep_node_t): New typedef.
157         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
158
159         (struct haifa_insn_data.back_deps): New field to hold backward
160         dependencies of the insn.
161         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
162         to deps_list_t.
163         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
164         Change its type to deps_list_t.
165         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
166         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
167         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
168
169         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
170         
171         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
172
173         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
174         all callers.
175         (dep_cost): Declare.
176         
177         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
178         (ds_to_dk, dk_to_ds): New functions.
179         
180         (init_dep_1): New static function.
181         (init_dep): New function.
182         (copy_dep): New static function.
183         
184         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
185         functions.
186         (detach_dep_link): New static function.
187         (move_dep_link): New function.
188         
189         (dep_links_consistent_p, dump_dep_links): New static functions.
190         (debug_dep_links): New debugging function.
191         
192         (deps_obstack, dl_obstack, dn_obstack): New static variables.
193         
194         (alloc_deps_list, init_deps_list): New static functions.
195         (create_deps_list): New function.
196         (clear_deps_list): New static function.
197         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
198         (deps_list_consistent_p, dump_deps_list): New static functions.
199         (debug_deps_list): New function.
200         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
201         functions.
202         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
203
204         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
205         use new scheduler dependencies lists.
206         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
207         (sched_analyze): Ditto.  Initialize dependencies lists.
208         (add_forw_dep, compute_forward_dependences): Update to use new
209         scheduler dependencies lists.
210         
211         (init_dependency_caches): Init deps_obstack.
212         (free_dependency_caches): Free deps_obstack.
213         
214         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
215         new scheduler dependencies lists.
216         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
217         (add_back_forw_dep, delete_back_forw_dep): Ditto.
218
219         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
220         Update to use new scheduler dependencies lists.
221         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
222         (debug_dependencies): Ditto.
223         (schedule_region): Update comments.
224         
225         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
226         scheduler dependencies lists.
227         (schedule_ebb): Update comments.
228         
229         * rtl.def (DEPS_LIST): Remove.
230         
231         * lists.c (unused_deps_list): Remove.
232         (free_list): Update assertions.
233         
234         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
235         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
236
237         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
238         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
239         
240         * haifa-sched.c (comments): Update.
241         (insn_cost1): Remove.  Inline the code into insn_cost ().
242         (insn_cost): Update to use new scheduler dependencies lists.  Move
243         processing of the dependency cost to dep_cost ().
244         (dep_cost): New function.  Use it instead of insn_cost () when
245         evaluating cost of the dependency.  Use compatible interface to
246         interact with the target.
247         (priority): Update to use new scheduler dependencies lists.
248         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
249         with greater number of insns that depend on the insn.
250         (schedule_insn): Update to use new scheduler dependencies lists.  Add
251         code to free backward dependencies lists.  Inline and optimize code
252         from resolve_dep () - see PR28071.
253         (ok_for_early_queue_removal): Update to use new scheduler dependencies
254         lists.  Update call to targetm.sched.is_costly_dependence hook.
255         
256         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
257         scheduler dependencies lists.
258         
259         (resolve_dep): Remove.  Move the logic to schedule_insn ().
260         (init_h_i_d): Initialize dependencies lists.
261         
262         (process_insn_depend_be_in_spec): Rename to
263         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
264         dependencies lists.
265         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
266         Update to use new scheduler dependencies lists.
267         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
268         
269         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
270         new scheduler dependencies lists.
271         (build_intra_loop_deps): Ditto.
272         
273         * target.h (struct _dep): Declare to use in
274         gcc_target.sched.is_costly_dependence.
275         (struct gcc_target.sched.adjust_cost): Fix typo.
276         (struct gcc_target.sched.is_costly_dependence): Change signature to use
277         single dep_t parameter instead of an equivalent triad.
278         (struct gcc_target.sched.adjust_cost_2): Remove.
279
280         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
281
282         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
283
284         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
285         documentation.
286         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
287
288         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
289         (REG_DEP_TRUE): Document.
290         
291         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
292         Change signature to correspond to the targetm.sched.adjust_cost hook.  
293         Update use in TARGET_SCHED_ADJUST_COST_2.
294         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
295         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
296         new scheduler dependencies lists.
297         (ia64_gen_check): Ditto.
298
299         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
300         dependencies lists.
301         
302         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
303         signature to correspond to the targetm.sched.is_costly_dependence hook.
304         (is_costly_group): Update to use new scheduler dependencies lists.
305
306         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
307         instead of INSN_COST () macro.
308
309 2007-02-01  Ian Lance Taylor  <iant@google.com>
310
311         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
312
313 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
314
315         * pa.md (tp_load): Correct mfctl instruction syntax.
316
317 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
318
319         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
320         altivec_padding_size calculation on AIX.  Improve comment, add
321         assert to verify that it's right.
322
323         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
324         64-bit.
325
326 2007-2-01   Seongbae Park <seongbae.park@gmail.com>
327
328         PR inline-asm/28686
329         * global.c (global_alloc): Add mising initialization of
330         ELIMINABLE_REGSET.
331
332 2007-02-01  Roger Sayle  <roger@eyesopen.com>
333
334         * alias.c (init_alias_analysis): Correct whitespace.
335         * bb-reorder.c (fix_edges_for_rarely_executed_code,
336         partition_hot_cold_basic_blocks): Likewise.
337         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
338         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
339         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
340         fold_builtin_snprintf_chk, fold_builtin_printf,
341         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
342         do_mpfr_arg3, do_mpfr_sincos): Likewise.
343         * cfgcleanup.c (cleanup_cfg): Likewise.
344         * cfgexpand.c (tree_expand_cfg): Likewise.
345         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
346         * function.c (get_next_funcdef_no): Likewise.
347         * gengtype.c (main): Likewise.
348         * genmodes.c (main): Likewise.
349         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
350         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
351         * ifcvt.c (noce_emit_move_insn): Likewise.
352         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
353         Likewise.
354         * stor-layout.c (get_best_mode): Likewise.
355         * tree-ssa-loop-niter.c (get_val_for): Likewise.
356         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
357         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
358         perform_var_substitution, solve_graph): Likewise.
359         * tree-vrp.c (vrp_finalize): Likewise.
360
361 2007-02-01  Ian Lance Taylor  <iant@google.com>
362
363         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
364         high part of a paradoxical subreg, return a constant zero.
365
366 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
367
368         * toplev.c (lang_dependent_init): Call init_set_costs.
369         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
370
371 2007-02-01  Richard Guenther  <rguenther@suse.de>
372
373         PR middle-end/30656
374         * fold-const.c (fold_negate_expr): Allow negating a
375         constant if overflow does not change.
376
377 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
378
379         * doc/c-tree.texi (Expression trees): Improve markup.
380         * doc/tm.texi (Register Classes, Addressing Modes)
381         (Floating Point): Fix spacing after abbreviations.  Fix some
382         typos.
383
384 2007-02-01  Ben Elliston  <bje@au.ibm.com>
385
386         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
387         * doc/contrib.texi: Likewise.
388         * doc/install.texi: Likewise.
389
390 2007-01-31  Richard Henderson  <rth@redhat.com>
391             Ian Lance Taylor  <iant@google.com>
392
393         * lower-subreg.c: New file.
394         * rtl.def (CONCATN): Define.
395         * passes.c (init_optimization_passes): Add pass_lower_subreg and
396         pass_lower_subreg2.
397         * emit-rtl.c (update_reg_offset): New static function, broken out
398         of gen_rtx_REG_offset.
399         (gen_rtx_REG_offset): Call update_reg_offset.
400         (gen_reg_rtx_offset): New function.
401         * regclass.c: Revert patch of 2006-03-05, restoring
402         reg_scan_update.
403         (clear_reg_info_regno): New function.
404         * dwarf2out.c (concatn_loc_descriptor): New static function.
405         (loc_descriptor): Handle CONCATN.
406         * common.opt (fsplit_wide_types): New option.
407         * opts.c (decode_options): Set flag_split_wide_types when
408         optimizing.
409         * timevar.def (TV_LOWER_SUBREG): Define.
410         * rtl.h (gen_reg_rtx_offset): Declare.
411         (reg_scan_update): Declare.
412         * regs.h (clear_reg_info_regno): Declare.
413         * tree-pass.h (pass_lower_subreg): Declare.
414         (pass_lower_subreg2): Declare.
415         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
416         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
417         -fsplit-wide-types.
418         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
419         * Makefile.in (OBJS-common): Add lower-subreg.o.
420         (lower-subreg.o): New target.
421
422 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
423
424         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
425
426 2007-01-31  Anatoly Sokolov <aesok@post.ru>
427
428         PR target/19087
429         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
430
431 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
432
433         PR middle-end/29335
434         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
435
436 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
437
438         * cfgloop.h: Include vec-prim.h.
439         (enum li_flags): Remove LI_ONLY_OLD.
440         (loop_iterator): Changed.
441         (fel_next, fel_init): Iterate over loop tree.
442         (FOR_EACH_LOOP_BREAK): New macro.
443         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
444         FOR_EACH_LOOP.
445         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
446         * modulo-sched.c (sms_schedule): Ditto.
447         * tree-vectorizer.c (vectorize_loops): Ditto.
448         * doc/loop.texi: Update information on loop numbering and behavior of
449         FOR_EACH_LOOP wrto new loops.
450         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
451         add_to_evolution_1): Test nestedness of loops instead of comparing
452         their numbers.
453         * tree-chrec.c (chrec_fold_plus_poly_poly,
454         chrec_fold_multiply_poly_poly, chrec_evaluate,
455         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
456         reset_evolution_in_loop): Ditto.
457         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
458
459 2007-01-31  Dirk Mueller  <dmueller@suse.de>
460
461         * c-common.c (warn_about_parentheses): Separate warning about
462         un-parenthized sequence of comparison operators from the one
463         which is supposed to warn about x <= y <= z.
464
465 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
466
467         * optabs.h (enum optab_index): Add new OTI_isinf.
468         (isinf_optab): Define corresponding macro.
469         * optabs.c (init_optabs): Initialize isinf_optab.
470         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
471         patterns.
472         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
473         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
474         using isinf_optab.
475         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
476         expand_builtin_interclass_mathfn.
477         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
478         * config/i386/i386.md (UNSPEC_FXAM): New constant.
479         (fxam<mode>2_i387): New insn pattern.
480         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
481         built-in functions as x87 inline asm.
482
483 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
484
485         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
486
487 2007-01-30  Eric Christopher  <echristo@apple.com>
488
489         * config.gcc: Add geode.
490
491 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
492
493         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
494         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
495         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
496         value-prof.c: Fix comment typos.
497
498 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
499
500         PR c++/24745
501         * doc/invoke.texi (Wpointer-arith): Document warning.
502
503 2007-01-30  Janis Johnson
504
505         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
506         the list of discrepancies from the draft TR.
507
508 2007-01-30  Dirk Mueller  <dmueller@suse.de>
509
510         PR c++/30601
511         * doc/invoke.texi (-Wreturn-type): Update description to
512         match new behavior.
513
514 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
515
516         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
517
518 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
519
520         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
521         to handle optabs that operate on floating point input argument and
522         output to integer output.
523         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
524         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
525         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
526         expand_builtin_interclass_mathfn ().
527         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
528         (ilogbsi2): Remove.
529         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
530         ilogbl built-in functions as x87 intrinsics.
531
532 2007-01-30  Richard Guenther  <rguenther@suse.de>
533
534         PR middle-end/27657
535         * dwarf2out.c (reference_to_unused): Query varpool if the
536         variable was output.
537
538 2007-01-30  Richard Guenther  <rguenther@suse.de>
539
540         PR middle-end/30313
541         * passes.c (execute_one_pass): Reset in_gimple_form to not
542         confuse non-unit-at-a-time mode.
543
544 2007-01-29  Roger Sayle  <roger@eyesopen.com>
545             Richard Guenther  <rguenther@suse.de>
546
547         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
548         avoid undefined behaviour on overflow.  Use force_fit_type_double
549         to construct the constant with the specified TREE_OVERFLOW.
550
551 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
552
553         * config/dfp-bit.c: Add parameterized support for fp exceptions.
554         * config/dfp-bit.h: Ditto.
555
556 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
557
558         * c-decl.c (pop_scope): Replace warnings with call to
559         warn_for_unused_label.
560         * c-common.h (warn_for_unused_label): Declare.
561         * c-common.c (warn_for_unused_label): Define.
562
563 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
564
565         * tree-optimize.c (update_inlined_to_pointers): Delete unused
566         function.
567
568 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
569
570         * Makefile.in (USER_H): Remove decfloat.h.
571         * ginclude/decfloat.h: Delete, moving contents to ...
572         * ginclude/float.h: Add support for decimal floating point,
573         guarded by __STDC_WANT_DEC_FP__.
574
575 2007-01-29  Mike Stump  <mrs@apple.com>
576
577         * doc/gccint.texi (Top): Rename Loop Representation to Loop
578         Analysis and Representation to resolve case insensitive conflict.
579         * doc/loop.texi (Loop Analysis and Representation): Likewise.
580
581 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
582
583         * tree.h (struct tree_memory_tag): Add aliases member.
584         (MTAG_ALIASES): New macro.
585         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
586         (add_may_alias): Remove pointer-set. Update for may_aliases being
587         a bitmap.
588         (mark_aliases_call_clobbered): Update for may_aliases being a
589         bitmap.
590         (compute_tag_properties): Ditto.
591         (create_partition_for): Ditto.
592         (compute_memory_partitions): Ditto.
593         (dump_may_aliases_for): Ditto.
594         (is_aliased_with): Ditto.
595         (add_may_alias_for_new_tag): Ditto.
596         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
597         (compute_is_aliased): New function.
598         (compute_may_aliases): Call compute_is_aliased).
599         (init_alias_info): Initialize alias_bitmap_obstack.
600         (union_alias_set_into): New function.
601         (compute_flow_sensitive_aliasing): Use union_aliases_into.
602         (have_common_aliases_p): Rewrite to take two bitmaps and use
603         intersection.
604         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
605         Update for bitmaps.
606         (finalize_ref_all_pointers): Update for add_may_alias changes.
607         (new_type_alias): Ditto.
608         * tree-flow-inline.h (may_aliases): Return a bitmap.
609         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
610         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
611         may_aliases being a bitmap.
612         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
613         may_aliases now returns a bitmap.
614         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
615         being a bitmap.
616         * tree-ssa-operands.c (add_virtual_operand): Update for
617         may_aliases being a bitmap.
618
619 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
620
621         PR tree-optimization/30630
622         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
623         variable as changed.
624
625 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
626
627         PR c++/28266
628         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
629         expanded only once even if an error occurs.
630
631 2007-01-29  Ben Elliston  <bje@au.ibm.com>
632
633         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
634         (__gcov_average_profiler): Likewise.
635         (__gcov_ior_profiler): Likewise.
636         (__gcov_merge_ior): Likewise.
637
638 2007-01-28  Jan Hubicka  <jh@suse.cz>
639
640         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
641         * value-prof.c (stringop_block_profile): Likewise.
642
643 2007-01-28  Jan Hubicka  <jh@suse.cz>
644
645         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
646         variant handling histograms; add wrapper.
647         (clear_storage_via_libcall): Export.
648         (emit_block_move_hints): Break out from ...; add histograms.
649         (emit_block_move): ... this one.
650         (clear_storage_hints): Break out from ...; add histograms.
651         (clear_storage): ... this one.
652         (set_storage_via_memset): Handle histogram.
653         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
654         (clear_storage_hints, clear_storage_via_libcall): Declare.
655         (set_storage_via_setmem): Update prototype.
656         * doc/md.texi (movmem, setmem): Document new arguments.
657
658         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
659         new histograms.
660         (stringop_block_profile): New global function.
661         (tree_stringops_values_to_profile): Profile block size and alignment.
662         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
663         HIST_TYPE_IOR.
664         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
665         (stringop_block_profile): Declare.
666         * builtins.c: Include value-prof.h.
667         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
668         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
669         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
670         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
671         * profile.c (instrument_values): Add new counters.
672         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
673         calls.
674         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
675         (tree_init_edge_profiler): Build new profilers.
676         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
677         (pass_tree_profile): Add dump.
678         (tree_profile_hooks): Update.
679         * Makefile.in (LIBGCOV): Add new constants.
680         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
681         __gcov_ior_profiler): New.
682         * i386.md (movmem/setmem expanders): Add new optional arguments.
683
684 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
685
686         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
687
688 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
689
690         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
691         (tree_unswitch_single_loop): Pass eni_size_weights to
692         tree_num_loop_insns.
693         * tree-ssa-loop-manip.c: Include tree-inline.h.
694         (can_unroll_loop_p): Pass eni_size_weights to
695         tree_num_loop_insns.
696         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
697         Pass eni_size_weights to estimate_num_insns.
698         * tree.h (init_inline_once): Export.
699         * toplev.c (backend_init): Call init_inline_once.
700         * cgraphunit.c (cgraph_process_new_functions,
701         cgraph_analyze_function): Pass eni_inlining_weights to
702         estimate_num_insns.
703         * ipa-inline.c (compute_inline_parameters): Ditto.
704         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
705         to estimate_num_insns.
706         (try_unroll_loop_completely): Pass eni_size_weights to
707         tree_num_loop_insns.
708         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
709         ot estimate_num_insns.
710         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
711         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
712         * tree-inline.c (eni_inlining_weights, eni_size_weights,
713         eni_time_weights): New variables.
714         (init_inline_once): Initialize them.
715         (struct eni_data): Mew.
716         (estimate_num_insns_1, estimate_num_insns): Use weights.
717         * tree-inline.h (struct eni_weights_d): New.
718         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
719         (estimate_num_insns): Declaration changed.
720         * cfgloop.h (tree_num_loop_insns): Declaration changed.
721         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
722         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
723
724 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
725
726         * tree-data-ref.c (conflict_fn): Assert that the number of affine
727         relations in the conflict function is valid.
728
729 2007-01-27  Ian Lance Taylor  <iant@google.com>
730
731         * common.opt: Add fstrict-overflow.
732         * opts.c (decode_options): Set flag_strict_overflow if -O2.
733         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
734         (TYPE_OVERFLOW_UNDEFINED): Define.
735         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
736         Replace all uses.
737         * tree.h (TYPE_TRAP_SIGNED): Don't define.
738         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
739         (fold_negate_expr): Likewise.
740         (make_range): Likewise.
741         (extract_muldiv_1): Likewise.
742         (maybe_canonicalize_comparison): Likewise.
743         (fold_comparison): Likewise.
744         (fold_binary): Likewise.
745         (tree_expr_nonnegative_p): Likewise.
746         (tree_expr_nonzero_p): Likewise.
747         * tree-vrp.c (compare_values): Likewise.
748         (extract_range_from_binary_expr): Likewise.
749         (extract_range_from_unary_expr): Likewise.
750         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
751         Likewise.
752         (nowrap_type_p): Likewise.
753         * tree-scalar-evolution.c (simple_iv): Likewise.
754         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
755         (build_range_check): Likewise.
756         (extract_muldiv_1): Likewise.
757         (fold_comparison): Likewise.
758         * tree-vrp.c (vrp_int_const_binop): Likewise.
759         (extract_range_from_unary_expr): Likewise.
760         * convert.c (convert_to_integer): Likewise.
761         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
762         (fold_comparison): Likewise.
763         (fold_binary): Likewise.
764         * optabs.c (optab_for_tree_code): Likewise.
765         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
766         * simplify-rtx.c (simplify_const_relational_operation): Check
767         flag_strict_overflow and flag_trapv.
768         (simplify_const_relational_operation): Likewise.
769         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
770         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
771         -fstrict-overflow.
772
773 2007-01-27  Roger Sayle  <roger@eyesopen.com>
774
775         * tree.c (tree_fold_gcd): Delete.
776         * tree.h (tree_fold_gcd): Remove prototype.
777         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
778         test whether one constant integer is a multiple of another.  Instead
779         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
780         * fold-const.c (multiple_of_p):  We've determined both TOP and
781         BOTTOM are integer constants so we can call int_const_binop directly
782         instead of the more generic const_binop.
783
784 2007-01-27  Roger Sayle  <roger@eyesopen.com>
785
786         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
787         1*X check that the constant hasn't overflowed, to preserve the
788         TREE_OVERFLOW bit.
789         (round_up): Provide an efficient implementation when rouding-up an
790         INTEGER_CST to a power-of-two.
791
792 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
793
794         * doc/sourcebuild.texi: Add comma for clarity.
795         * doc/extend.texi: Fix some typos.
796         * doc/passes.texi: Likewise.
797         * doc/cppinternals.texi: Likewise.
798         * doc/c-tree.texi: Likewise.
799         * doc/tree-ssa.texi: Likewise.
800         * doc/install.texi: Likewise.
801
802 2007-01-27  Jan Hubicka  <jh@suse.cz>
803
804         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
805         (pass_sra): Do not require alias information.
806         * passes.c (init_optimization_passes): Add SRA
807
808 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
809
810         * tracer.c (rest_of_handle_tracer): We already cleaned
811         up the CFG in tracer() so don't do it here again.
812         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
813         cleanup_cfg here, either.  And don't call renumber_insns.
814
815         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
816         and BB_HEAD are in the insn stream here.  Instead make sure
817         that BB_INSN is valid on all insns.  Also, do check here that
818         there are no pending branch predictions...
819         (rtl_verify_flow_info): ...instead of doing it here.  Checks
820         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
821         here.
822
823 2007-01-26  Roger Sayle  <roger@eyesopen.com>
824
825         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
826         function to simplify/factorize operand order canonicalization.
827         (ix86_fixup_binary_operands): Reorganize using the above function.
828         (ix86_binary_operator_ok): Likewise.
829
830 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
831
832         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
833         file scope from optimize_attrs.
834         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
835         up search.
836         (optimize_attrs): Clear insn_code_values after freeing it.
837
838 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
839
840         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
841         a parts.base assignment.
842
843 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
844
845         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
846         (compute_subscript_distance, initialize_data_dependence_relation,
847         finalize_ddr_dependent, analyze_ziv_subscript,
848         analyze_siv_subscript_cst_affine,
849         compute_overlap_steps_for_affine_univar,
850         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
851         analyze_siv_subscript, analyze_miv_subscript,
852         analyze_overlapping_iterations, subscript_dependence_tester_1,
853         compute_self_dependence, free_dependence_relation): Work
854         with affine_fn instead of chrecs.
855         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
856         common_affine_function, affine_function_base,
857         affine_function_constant_p, affine_fn_op, affine_fn_plus,
858         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
859         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
860         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
861         (all_chrecs_equal_p): Removed.
862         * tree-data-ref.h (affine_fn, conflict_function): New types.
863         (struct subscript): Change type of conflicting_iterations_in_a
864         and conflicting_iterations_in_b.
865
866 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
867
868         PR other/30182
869         * config/pa/pa.h (TARGET_HPUX_11): New.
870         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
871         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
872
873 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
874         Richard Guenther  <rguenther@suse.de>
875
876         * tree-ssa-structalias.c (solve_graph): Handle case
877         we merged the variable to another.
878
879 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
880
881         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
882         functions.
883
884         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
885         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
886
887 2007-01-25  DJ Delorie  <dj@redhat.com>
888
889         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
890         allow changes to modes which don't fit in those registers.
891
892         * reload1.c (choose_reload_regs): Check for invalid subregs before
893         computing their locations, not after.
894
895 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
896
897         PR 25127
898         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
899         save Altivec registers in an eh_return function.
900         (compute_vrsave_mask): Likewise.
901         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
902         for saving Altivec registers.
903         (rs6000_emit_prologue): Don't allocate stack twice in
904         eh_return function.  Correct expected value of altivec_save_offset
905         when using save_world.  Describe save of R0 to stack when using
906         save_world.  Describe stack pointer adjustment when using
907         save_world.  Remove duplicated eh_return parameter register saving.
908         Update sp_offset variable after save_world.
909         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
910         darwin-world.asm.
911         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
912         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
913         implies Altivec.
914
915 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
916
917         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
918
919 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
920
921         PR other/30182
922         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
923         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
924
925 2007-01-25  Richard Guenther  <rguenther@suse.de>
926
927         * doc/invoke.texi (-Wcoverage-mismatch): Document.
928         * common.opt (-Wcoverage-mismatch): New warning option.
929         * coverage.c (get_coverage_counts): Ignore coverage mismatch
930         if -Wcoverage-mismatch is given.
931
932 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
933
934         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
935         (ipcp_driver): Change to static definition.
936         Add dumping of the ifunctions.
937         (constant_val_insert): Remove unused parameter. Support for SSA.
938         (ipcp_propagate_const): Support for SSA.
939         (ipcp_profile_bb_print): Print only analyzed nodes.
940         (ipcp_replace_map_create): Remove support for Fortran constant
941         for now.
942         * ipa-prop.c (ipa_method_modify_stmt,
943         ipa_callsite_compute_param): Support for SSA.
944         * ipa-prop.h (ipcp_driver): Remove declaration.
945         (IS_VALID_TREE_MAP_INDEX): Add define.
946
947 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
948
949         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
950
951 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
952
953         PR middle-end/30447
954         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
955         constant argument to cabs and do it without checking for
956         -funsafe-math-optimizations.
957
958 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
959
960         * c-common.h (RID_FIRST_CXX0X): New.
961         (RID_LAST_CXX0X): New.
962         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
963         by -Wall.
964         * c.opt (Wc++0x-compat): New.
965         * doc/invoke.texi (-Wc++0x-compat): Document.
966
967 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
968
969         * builtins.c (fold_builtin_carg): New.
970         (fold_builtin_1): Use it.
971
972 2007-01-24  Jan Hubicka  <jh@suse.cz>
973
974         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
975
976         * ipa-inline.c (initial_insns, max_insns): Delete.
977         (compute_max_insns): New function.
978         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
979         of insns as base for code growth.
980         (cgraph_decide_inlining): Make initial_insns local; do not compute
981         max_insns.
982         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
983         * doc/invoke.texi (inline-unit-growth): Update docs.
984
985 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
986
987         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
988         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
989         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
990         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
991         for CPUs that have PTA_CX16 set.
992
993         PR middle-end/27416
994         * gimplify.c (omp_check_private): New function.
995         (gimplify_scan_omp_clauses): Use it for
996         firstprivate/lastprivate/reduction.
997
998         PR middle-end/30494
999         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
1000         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
1001
1002         PR middle-end/30421
1003         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
1004         If lower_lastprivate_clauses emits some statements, append them
1005         to dlist rather than body_p and to body_p append an initializer.
1006         (lower_omp_for): Adjust caller.
1007
1008 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
1009
1010         * target.h (globalize_decl_name): New.
1011         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
1012         * output.h (default_globalize_decl_name): New.
1013         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
1014         globalize_label.
1015         (globalize_decl): Ditto.
1016         (default_globalize_decl_name): New.
1017         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
1018         (ia64_handle_version_id_attribute): New.
1019         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
1020         (ia64_asm_output_external): Use globalize_decl_name instead
1021         of globalize_label.
1022         * doc/extend.texi (version_id): New pragma.
1023         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
1024
1025 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1026
1027         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
1028         _uleb128_t and _Unwind_SWord with _sleb128_t.
1029         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
1030         uw_frame_state_for, uw_update_context_1): Likewise.
1031         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
1032         * unwind-pe.h (read_uleb128, read_sleb128,
1033         read_encoded_value_with_base): Likewise.
1034         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
1035
1036 2007-01-24  Richard Guenther  <rguenther@suse.de>
1037
1038         * builtins.c (expand_builtin_cexpi): Get the fndecl
1039         for cexp in the correct way.
1040
1041 2007-01-24  Jan Hubicka  <jh@suse.cz>
1042
1043         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
1044
1045 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1046
1047         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
1048         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
1049         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
1050         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
1051         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
1052         __SIZEOF_PTRDIFF_T__.
1053         * doc/cpp.texi: Documentation for the new builtin macros added.
1054
1055 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
1056
1057         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
1058         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
1059         instead of operands[2] to avoid access past the end of array.
1060
1061 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
1062
1063         * reload1.c (emit_reload_insns): Pass the reload register
1064         for a non-spill output reload through forget_old_reloads_1.
1065
1066 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
1067
1068         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1069         _SOFT_DOUBLE if doubles use software floating-point.
1070         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
1071         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
1072         * config/rs6000/darwin-ldouble.c: Also compile functions for
1073         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
1074         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
1075         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
1076         commented-out long double override.
1077         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
1078         * config/rs6000/eabispe.h: Likewise.
1079         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
1080         long double for non-SPE.
1081         (rs6000_handle_option): Likewise.
1082         (invalid_e500_subreg): Disallow more subregs involding DImode,
1083         DFmode, TImode or TFmode.
1084         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
1085         E500 double.
1086         (legitimate_lo_sum_address_p): Also check for TFmode for E500
1087         double.
1088         (rs6000_legitimize_address): Also handle TFmode for E500 double.
1089         (rs6000_legitimize_reload_address): Also handle TFmode for E500
1090         double.
1091         (rs6000_legitimate_address): Also check for TFmode for E500
1092         double.
1093         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
1094         (spe_build_register_parallel): Handle TFmode and TCmode.
1095         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
1096         double.
1097         (function_arg): Handle TFmode and TCmode for E500 double.
1098         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
1099         in general.
1100         (print_operand): Handle TFmode and TImode for %y.
1101         (rs6000_generate_compare): Handle TFmode comparisons for E500
1102         double.
1103         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
1104         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
1105         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
1106         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
1107         TFmode for E500 double.
1108         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
1109         (floatsidf2): Enable for E500 double.
1110         (movtf_softfloat): Use rs6000_nonimmediate_operand.
1111         (extenddftf2): Change to extenddftf2_fprs.
1112         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
1113         depending on TARGET_E500_DOUBLE.
1114         (extendsftf2): Enable for E500 double.
1115         (trunctfdf2): Enable for E500 double.
1116         (trunctfsf2): Change to trunctfsf2_fprs.
1117         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
1118         depending on TARGET_E500_DOUBLE.
1119         (floatsitf2): Enable for E500 double.
1120         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
1121         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
1122         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
1123         (negtf2): Change to negtf2_internal.
1124         (negtf2): New expander.
1125         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
1126         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
1127         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
1128         (movdi_internal32): Use rs6000_nonimmediate_operand.
1129         (unnamed splitter): Likewise.
1130         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
1131         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
1132         (SPE64TF, DITI): New mode macros.
1133         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
1134         modes.
1135         (frob_tf_ti): New.
1136         (frob_<mode>_di_2): New.
1137         (frob_tf_di_8_2): New.
1138         (frob_di_df): Change to frob_di_<mode>; allow more modes.
1139         (frob_ti_tf): New.
1140         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
1141         more modes.
1142         (frob_ti_<mode>_8_2): New.
1143         (frob_ti_tf_2): New.
1144         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
1145         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
1146         TFmode.
1147         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
1148         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
1149         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
1150         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
1151         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
1152         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
1153         tsttflt_gp): New.
1154
1155 2007-01-23  Ian Lance Taylor  <iant@google.com>
1156
1157         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
1158         insn-*.o first.
1159         (OBJS-archive): Reformat, alphabetize.
1160         (OBJS): Change out_object_file to OBJS-md.
1161
1162 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
1163
1164         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
1165         JUMP_P and CALL_P predicates where applicable.
1166         * config/i386/i386.c: Ditto.
1167         * config/i386/i386.md: Ditto.
1168         * config/i386/mmx.md: Ditto.
1169         * config/i386/predicates.md: Ditto.
1170
1171 2007-01-22  Andreas Schwab  <schwab@suse.de>
1172
1173         * config/m68k/m68k.h: Fix comment.
1174
1175 2007-01-22  Jan Hubicka  <jh@suse.cz>
1176
1177         * passes.c (init_optimization_passes): Do not rerun
1178         pass_early_warn_uninitialized.
1179
1180 2007-01-22  Richard Guenther  <rguenther@suse.de>
1181
1182         PR tree-optimization/30038
1183         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
1184         function.
1185         (execute_cse_sincos_1): Likewise.
1186         (execute_cse_sincos): Likewise.
1187         (gate_cse_sincos): Likewise.
1188         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
1189         the cexpi() canonicalization of sincos().
1190         * tree-pass.h (pass_cse_sincos): Declare.
1191         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
1192
1193 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
1194
1195         PR rtl-optimization/29329
1196         * combine.c (replaced_rhs_insn): Rename to i2mod.
1197         (replaced_rhs_value): Rename to i2mod_new_rhs.
1198         (i2mod_old_rhs): New global variable.
1199         (combine_instructions): Adjust for above change.  Save a copy of
1200         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
1201         note are substituted in the second instruction.
1202         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
1203         ditch the note if it pertains to the second eliminated register
1204         and this register is mentioned in i2mod_old_rhs.
1205
1206         Revert:
1207         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
1208
1209         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1210         the insn to which the note was originally attached.
1211
1212 2007-01-21  Jan Hubicka  <jh@suse.cz>
1213
1214         * ipa-inline.c (inlining_mode): Comment, move up.
1215         (cgraph_decide_inlining_incrementally): Do not perform inlining
1216         itself; fix handling of flattening of self recursive functions.
1217         (cgraph_find_cycles): Remove.
1218         (cgraph_flatten_node): Remove.
1219         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
1220         (try_inline): New function.
1221         (cgraph_early_inlining): Update call of
1222         cgraph_decide_inlining_incrementally.  Apply inlining here.
1223         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
1224
1225 2007-01-21  Dirk Mueller  <dmueller@suse.de>
1226
1227         PR bootstrap/30511
1228         * tree-vrp.c (check_array_bounds): do not warn
1229         about ADDR_EXPR's of ARRAY_REF's which are immediately
1230         used in binary expressions.
1231
1232 2007-01-21  Ira Rosen  <irar@il.ibm.com>
1233
1234         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
1235         read_write_dep and macros for its access.
1236         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
1237         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
1238         argument, call vect_check_interleaving for every independent pair of
1239         data-refs. Mark loads that access the same memory location as a store
1240         in the loop.
1241         (vect_check_dependences): Remove.
1242         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
1243         call, fix the call to vect_analyze_data_ref_dependence.
1244         (vect_analyze_data_ref_access): For statements that access the same
1245         data-ref, check that they are not stores; for loads, check that there
1246         is no store that access the same location.
1247
1248 2007-01-20  Roger Sayle  <roger@eyesopen.com>
1249             Joseph Myers  <joseph@codesourcery.com>
1250
1251         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
1252         (-fdump-rtl-stack): Likewise.
1253         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
1254         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
1255         (-mpt-fixed): Use @minus{} for minus sign.
1256         (Using Precompiled Headers): Fix under/overfull hbox.
1257
1258 2007-01-20  Jan Hubicka  <jh@suse.cz>
1259
1260         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
1261         place within annotation.
1262
1263 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1264
1265         * pa.c (output_move_double): Change array size of xoperands to 4.
1266
1267 2007-01-20  Jan Hubicka  <jh@suse.cz>
1268
1269         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
1270         as temporary.
1271
1272 2007-01-19  Ian Lance Taylor  <iant@google.com>
1273
1274         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
1275         constant to unsigned HOST_WIDE_INT before negating.
1276
1277 2007-01-19  Ian Lance Taylor  <iant@google.com>
1278
1279         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
1280         to unsigned.
1281         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
1282         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
1283         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
1284         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
1285         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
1286         (realloc_vdef, realloc_vuse): Change second parameter to
1287         unsigned.
1288         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
1289         fields to unsigned.
1290         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
1291         unsigned. Change x and lim locals to unsigned.
1292         (realloc_vdef, realloc_vuse): Change num_elem parameter to
1293         unsigned.
1294         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
1295         (copy_virtual_operands): Change i and n locals to unsigned.
1296
1297 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1298
1299         PR middle-end/29335
1300         * builtins.c (fold_builtin_1): Handle builtin fdim.
1301
1302 2007-01-20  Jan Hubicka  <jh@suse.cz>
1303
1304         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
1305         * tree-ssa-structalias.c (compute_points_to_sets): Do call
1306         init_alias_heapvars.
1307         (init_alias_heapvars): Initialize only when not already initialized.
1308         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
1309
1310 2007-01-19  Roger Sayle  <roger@eyesopen.com>
1311
1312         * common.opt (fsigned-zeros): New command line option.
1313         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
1314         of flag_unsafe_math_optimizations.
1315         * opts.c (set_fast_math_flags): The -ffast-math command line option
1316         implies -fno-signed-zeros.
1317         (fast_math_flags_set_p): Likewise.
1318
1319         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
1320         the documentation of -ffast-math appropriately.  Wrap long lines.
1321
1322 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
1323
1324         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
1325         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
1326
1327 2007-01-19  Tomas Bily  <tbily@suse.cz>
1328
1329         * cgraphunit.c (cgraph_finalize_function): Updating of pid
1330         * tree-profile.c:
1331         (tree_init_ic_make_global_vars): New function
1332         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
1333         (tree_gen_ic_profiler): New function
1334         (tree_gen_ic_func_profiler): New function
1335         (tree_profiling): Added calling of tree_gen_ic_func_profiler
1336         (tree_profile_hooks): Added hook for indirec/virtual calls
1337         * value-prof.c (tree_find_values_to_profile): New case for
1338         indirect calls
1339         (tree_values_to_profile): Call for determining indirect/virtual
1340         counters
1341         (tree_indirect_call_to_profile): New function
1342         (tree_ic_transform): New function
1343         (tree_ic): New function
1344         (find_func_by_pid): New function
1345         (init_pid_map): New function
1346         (tree_value_profile_transformations): Added check for
1347         indirect/virtual call transformation
1348         * value-prof.h (enum hist_type): New counter type for
1349         indirect/virtual calls
1350         (profile_hooks): Added new hook for profiling indirect/virtual
1351         calls
1352         * profile.c (instrument_values): New case for indirect/virtual
1353         call added
1354         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
1355         (GCOV_COUNTER_V_INDIR): New counter type
1356         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
1357         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
1358         call added
1359         * cgraph.c: Definition of cgraph_max_pid
1360         (cgraph_create_node): Default init of pid attribute
1361         * cgraph.h: Declaration of cgraph_max_pid
1362         (struct cgraph_node): Added pid attribute
1363         * libgcov.c (__gcov_indirect_call_profiler): New function
1364         (__gcov_one_value_profiler_body): New function
1365         (__gcov_one_value_profiler): Body was moved to
1366         __gcov_one_value_profiler_body and calls it
1367
1368 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
1369
1370         * doc/gty.texi (Options): Document the mark_hook option to GTY.
1371         * gengtype.c (write_types_data, write_func_for_structure,
1372         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
1373         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
1374         (walk_type, write_func_for_structure): Generate the mark_hook if
1375         needed.
1376
1377 2007-01-19  Jan Hubicka  <jh@suse.cz>
1378
1379         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
1380         'early' argument take inlining mode argument specifying whether to
1381         inline for size/speeed or all functions; add support for flattening;
1382         improve dumpting.
1383         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
1384
1385 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1386
1387         PR c++/17947
1388         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
1389         the name of the declared identifier.
1390
1391 2007-01-19  Dirk Mueller  <dmueller@suse.de>
1392
1393         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
1394         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
1395         duplicate evaluation.
1396
1397 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
1398
1399         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
1400         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
1401         to XFMode, use acosxf2 and truncate result to requested mode.
1402         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
1403         (asin<mode>2): Similarly, with asin expanders.
1404         (*fscalexf4_i387): Rename from *fscalexf4.
1405         (expNcorexf3): New expander.
1406         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
1407         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
1408         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
1409         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
1410         patterns for SSE math.
1411         (exp10<mode>2): Similarly, with exp10 expanders.
1412         (exp2<mode>2): Similarly, with exp2 expanders.
1413         (expm1<mode>2): Similarly, with expm1 expanders.
1414         (ldexp<mode>3): Similarly, with ldexp expanders.
1415         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
1416         Use gen_truncxf<mode>2_i387_noop to truncate result.
1417
1418 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1419
1420         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
1421         for ColdFire targets.
1422
1423 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
1424             Richard Sandiford  <richard@codesourcery.com>
1425
1426         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
1427         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
1428         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
1429         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
1430         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
1431         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
1432
1433 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1434
1435         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
1436         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
1437         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
1438         (*adddi_dilshr32_cf): New pattern.
1439         (adddi3, subdi3): Remove first alternatives.
1440
1441 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1442
1443         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
1444         implemented using move.l, do not use its cc result for floating-point
1445         comparisons.
1446
1447 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1448
1449         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
1450         from accepting 's' constraints if flag_pic.
1451
1452 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1453
1454         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
1455         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
1456         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
1457         condition from TARGET_68881 to TARGET_HARD_FLOAT.
1458
1459 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
1460
1461         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
1462         ColdFire alternatives.
1463         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
1464         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
1465         architectures that support ff1 instruction.
1466
1467 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1468             Julian Brown  <julian@codesourcery.com>
1469
1470         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
1471         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
1472         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
1473         Add commentary.
1474
1475 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1476
1477         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
1478         and return a bool.
1479         (output_move_const_into_data_reg, output_move_simode_const): Delete.
1480         * config/m68k/m68k.c (const_method, const_int_cost): Take a
1481         HOST_WIDE_INT instead of an rtx.
1482         (m68k_rtx_costs): Update call accordingly.
1483         (output_move_const_into_data_reg): Likewise.  Fix formatting.
1484         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
1485         Return a bool.
1486         (output_move_simode_const): Update calls after above changes.
1487         Rework to use automatic variables and predicates like MEM_P.
1488         * config/m68k/m68k.md (pushexthisi_const): Update call to
1489         valid_mov3q_const.
1490
1491 2007-01-19  Dirk Mueller  <dmueller@suse.de>
1492
1493         * tree-ssa-alias.c (perform_var_substitution): Fix typo
1494         in dump_flags test.
1495
1496 2007-01-19  Richard Guenther  <rguenther@suse.de>
1497
1498         * builtins.c (expand_builtin_cexpi): Fall back to expanding
1499         via cexp in case sincos is not available.
1500
1501 2007-01-19  Richard Guenther  <rguenther@suse.de>
1502
1503         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
1504         * defaults.h (TARGET_HAS_SINCOS): Default to off.
1505         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
1506         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
1507         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
1508         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
1509         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
1510         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
1511
1512 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
1513
1514         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
1515         New insn patterns.
1516         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
1517         (atan2xf3): Directly generate RTL pattern.
1518         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
1519         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
1520         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
1521         disable patterns for SSE math.
1522         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
1523         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
1524         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
1525         disable patterns for SSE math.
1526
1527 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
1528
1529         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
1530
1531 2007-01-18  Roger Sayle  <roger@eyesopen.com>
1532
1533         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
1534         VIEW_CONVERT_EXPR to the same type as it's operand.
1535
1536 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
1537
1538         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
1539         configured for long double 128.
1540
1541 2007-01-18  Mike Stump  <mrs@apple.com>
1542
1543         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
1544         error.
1545
1546 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
1547
1548         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
1549         type correct.
1550
1551 2007-01-18  Jan Hubicka  <jh@suse.cz>
1552
1553         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
1554         greater than NUM_VOP_FREE_BUCKETS.
1555
1556 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
1557
1558         * tree-ssa-structalias.c: Update comments.
1559         (ptabitmap_obstack): Removed.
1560         (pta_obstack): New.
1561         (oldpta_obstack): Ditto.
1562         (stats): Add a few members.
1563         (struct variable_info): Remove node, complex, address_taken, and
1564         indirect_target members. Add oldsolution member.
1565         (new_var_info): Do not initialize removed members.
1566         (constraint_expr_type): Remove INCLUDES.
1567         (constraint_graph): Add size, implicit_preds, rep,
1568         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
1569         (FIRST_REF_NODE): New macro.
1570         (LAST_REF_NODE): Ditto.
1571         (FIRST_ADDR_NODE): Ditto.
1572         (find): New function.
1573         (unite): Ditto.
1574         (dump_constraint): Do not handle INCLUDES.
1575         (insert_into_complex): Do not insert duplicate constraints.
1576         (condense_varmap_nodes): Renamed and rewritten into ...
1577         (merge_node_constraints): This. Also fix bug in handling of
1578         offseted copy constraints.
1579         (clear_edges_for_node): No longer need to deal with preds at all,
1580         or removing associated preds/succs.
1581         (merge_graph_nodes): Deal with indirect_cycles.
1582         Don't deal with predecessors.
1583         (add_implicit_graph_edge): New function.
1584         (add_pred_graph_edge): Ditto.
1585         (add_graph_edge): Don't deal with predecessors.
1586         (build_constraint_graph): Removed.
1587         (build_pred_graph): New function.
1588         (build_succ_graph): Ditto.
1589         (struct scc_info): Removed in_component. Added roots, dfs, and
1590         node_mapping. Remove visited_index, unification_queue.
1591         (scc_visit): Deal with union-find we do now.
1592         Deal with cycles with REF nodes.
1593         (collapse_nodes): Renamed and rewritten to ...
1594         (unify_nodes): This.
1595         (process_unification_queue): Removed.
1596         (topo_visit): Cleanup
1597         (do_da_constraint): Use find.
1598         (do_sd_constraint): Ditto.
1599         (do_ds_constraint): Ditto.
1600         (do_complex_constraint): Ditto.
1601         (init_scc_info): Update for removed and added members.
1602         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
1603         (find_indirect_cycles): This.
1604         (equivalence_class): New variable.
1605         (label_visit): New function.
1606         (perform_variable_substitution): Rewritten.
1607         (free_var_substitution_info): New function.
1608         (find_equivalent_node): Ditto.
1609         (move_complex_constraints): Ditto.
1610         (eliminate_indirect_cycles): Ditto.
1611         (solve_graph): Only propagate changed bits.
1612         Use indirect cycle elimination.
1613         Use find.
1614         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
1615         (tree_id_eq): Renamed to ...
1616         (tree_vi_eq): This. Update for member change
1617         (insert_id_for_tree): Renamed and rewritten to ...
1618         (insert_vi_for_tree): This.
1619         (lookup_id_for_tree): Renamed and rewritten to ...
1620         (lookup_vi_for_tree): This.
1621         (get_id_for_tree): Renamed and rewritten to ...
1622         (get_vi_for_tree): Ditto.
1623         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
1624         (process_constraint): Don't handle INCLUDES.
1625         Remove special ADDRESSOF case.
1626         (find_func_aliases): Rewrite to use vi functions instead of id
1627         ones.
1628         (create_function_info_for): Ditto.
1629         (create_variable_info_for): Ditto.
1630         (intra_create_variable_infos): Ditto.
1631         (merge_smts_into): Ditto.
1632         (find_what_p_points_to): Ditto.
1633         (init_base_vars): Ditto.
1634         (init_alias_vars): Ditto.
1635         (remove_preds_and_fake_succs): New function.
1636         (dump_sa_points_to_info): Dump new stats.
1637         (dump_solution_for_var): Use find.
1638         (set_used_smts): Fix formatting.
1639         (compute_points_to_sets): Updated for new functions.
1640         (ipa_pta_execute): Ditto.
1641
1642 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
1643             Richard Sandiford  <richard@codesourcery.com>
1644
1645         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
1646         parallels.
1647         * calls.c (expand_call): If the return value is a PARALLEL,
1648         extract its first member.
1649         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
1650         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
1651         use FUNCTION_EXTRA_EPILOGUE.
1652         (m68k_function_value): Return a PARALLEL if the return value
1653         is of a pointer type.
1654         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
1655         (FUNCTION_EXTRA_EPILOGUE): Remove.
1656         * config/m68k/m68k.md (D0_REG): New constant.
1657
1658 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
1659
1660         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
1661         output a NOP for empty epilogues.
1662
1663 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1664
1665         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
1666         before function.  Extend register save check to include all
1667         registers, not just integer ones.
1668
1669 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
1670
1671         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
1672         (m68k_use_return_insn): ...this.
1673         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
1674         * config/m68k/m68k.c (use_return_insn): Rename to...
1675         (m68k_use_return_insn): ...this.
1676         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
1677         of USE_RETURN_INSN.
1678
1679 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1680
1681         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
1682         nearest even, fix denormal rounding overflow.
1683
1684 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1685
1686         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
1687         f%$smove and f%$move.
1688         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
1689         (extendsfdf2_cf): Use fdmove instead of f%&move.
1690         (truncdfsf2_cf): Use fsmove instead of f%$smove.
1691         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
1692
1693 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1694
1695         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
1696         GPR<-GPR moves.
1697
1698 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1699
1700         * real.h (real_format): Add a canonical_nan_lsbs_set field.
1701         (coldfire_single_format): Declare.
1702         (coldfire_double_format): Likewise.
1703         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
1704         of qnan_msb_set to determine the lower bits of a canonical
1705         NaN significand.
1706         (encode_ieee_double): Likewise.
1707         (encode_ieee_quad): Likewise.
1708         (ieee_single_format): Initialize canonical_nan_lsbs_set.
1709         (mips_single_format): Likewise.
1710         (ieee_double_format): Likewise.
1711         (mips_double_format): Likewise.
1712         (ieee_extended_motorola_format): Likewise.
1713         (ieee_extended_intel_96_format): Likewise.
1714         (ieee_extended_intel_128_format): Likewise.
1715         (ieee_extended_intel_96_round_53_format): Likewise.
1716         (ibm_extended_format): Likewise.
1717         (mips_extended_format): Likewise.
1718         (ieee_quad_format): Likewise.
1719         (mips_quad_format): Likewise.
1720         (vax_f_format): Likewise.
1721         (vax_d_format): Likewise.
1722         (vax_g_format): Likewise.
1723         (i370_single_format): Likewise.
1724         (i370_double_format): Likewise.
1725         (decimal_single_format): Likewise.
1726         (decimal_double_format): Likewise.
1727         (decimal_quad_format): Likewise.
1728         (c4x_single_format): Likewise.
1729         (c4x_extended_format): Likewise.
1730         (real_internal_format): Likewise.
1731         (coldfire_single_format): New real_format.
1732         (coldfire_double_format): Likewise.
1733         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
1734         canonical_nan_lsbs_set.
1735         (pdp11_d_format): Likewise.
1736         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
1737         if TARGET_COLDFIRE_CPU.
1738
1739 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1740
1741         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
1742         (output_call, m68k_legitimize_call_address): Declare.
1743         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
1744         parenthesees.  Add support for a 'W' constraint.
1745         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
1746         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
1747         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
1748         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
1749         variables.
1750         (override_options): Initialize them.  Do not set flag_no_function_cse
1751         for TARGET_ID_SHARED_LIBRARY.
1752         (m68k_output_pic_call): Delete.
1753         (m68k_legitimize_call_address): New function.
1754         (print_operand): Remove the %o prefix.  Handle the %p prefix.
1755         (output_call): New function.
1756         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
1757         target address from the GOT if symbolic jumps are not allowed.
1758         * config/m68k/m68k.md (call, general_operand): Do not set
1759         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
1760         Merge separate flag_pic and !flag_pic define_insns into...
1761         (*call, *call_value): ...these new patterns.  Match the address
1762         rather than the containing MEM and require it to be a call_operand.
1763         Use output_call to generate the asm template.
1764         * config/m68k/predicates.md (const_call_operand): New predicate.
1765         (call_operand): Likewise.
1766
1767 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1768
1769         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
1770         (STACK_GROWS_DOWNWARD): Define to 1.
1771         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
1772         comments, emphasizing that these values are only defaults.
1773         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
1774         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
1775
1776 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1777
1778         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
1779
1780 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
1781             Richard Sandiford  <richard@codesourcery.com>
1782
1783         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
1784         (FP_REGNO_P): New macros.
1785         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
1786         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
1787         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
1788         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
1789
1790 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1791
1792         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1793         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
1794         to $tmake_file.
1795         * config/m68k/t-floatlib: New file, extracting common code from...
1796         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1797         * config/m68k/t-uclinux: Here.
1798         * config/m68k/fpgnulib.c: Do not compile extendeed precision
1799         routines on ColdFire targets.
1800
1801 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1802
1803         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1804         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
1805         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
1806         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
1807         explicitly set MOTOROLA to 1.
1808         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
1809
1810 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1811             Nathan Sidwell  <nathan@codesourcery.com>
1812
1813         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
1814         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
1815         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
1816         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
1817         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
1818         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
1819         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
1820         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
1821         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
1822         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
1823         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
1824         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
1825         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
1826         (DBX_REGISTER_NUMBER): Delete.
1827         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
1828         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
1829         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
1830
1831 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1832
1833         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
1834         * config/flat.h: New file.
1835         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
1836         OBJECT_FORMAT_FLAT.
1837         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
1838         indirect references for -msep-data or -mid-shared-library.
1839         Do not use PC-relative code addresses either.
1840         * config/m68k/m68k.c (override_options): Restrict -fPIC error
1841         to -mpcrel.
1842         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
1843         for shared libraries and crt1.o for executables.  Use crti.o and
1844         crtbegin.o.
1845         (ENDFILE_SPEC): Use crtend.o and crtn.o.
1846         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
1847         Do not add -elf2flt or -shared-lib-id options here.
1848         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
1849         Pass -shared-lib-id if -mid-shared-library, taking the library
1850         identifier from -mshared-library-id if given, otherwise
1851         defaulting to 0.
1852         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
1853         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
1854         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
1855         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
1856         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
1857         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
1858         and crtend.o.
1859         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
1860         jump sequence for ISA A and ISA A+.
1861         (PICJUMP): Likewise.
1862
1863 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1864
1865         * config.gcc (m68k-*-uclinux*): Base the port on the common
1866         and m68k GNU/Linux files rather than on the generic ELF ones.
1867         * config/m68k/uclinux.h (TARGET_VERSION): Override.
1868         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1869
1870 2007-01-18  Julian Brown  <julian@codesourcery.com>
1871             Richard Sandiford  <richard@codesourcery.com>
1872
1873         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
1874         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
1875         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
1876         before redefining.
1877         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
1878         80 unconditionally.
1879         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
1880
1881 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1882
1883         * doc/install.texi: Document m68k-uclinuxoldabi.
1884         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
1885         * config/m68k/uclinux-oldabi.h: New file, copied from
1886         config/m68k/uclinux.h.
1887
1888 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
1889
1890         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
1891         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
1892         (m32r_compute_frame_size): Use unsigned for regno.
1893         (m32r_reload_lr): Use gen_frame_mem.
1894         (pop): New.
1895         (m32r_output_function_epilogue): Don't output the function epilogue
1896         textually here.
1897         (m32r_expand_epilogue): New.
1898         (direct_return): Return false if the function has the interrupt
1899         attribute.
1900         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
1901         * config/m32r/m32r.md (epilogue): New expander.
1902         (return_lr, return_rte): New insns.
1903         (return): Make it expander.
1904         (return_normal): New expander.
1905
1906 2007-01-18  Josh Conner  <jconner@apple.com>
1907
1908         PR target/30485
1909         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
1910         support for UNLE, UNLT, UNGE, and UNGT.
1911
1912 2007-01-18  Jan Hubicka  <jh@suse.cz>
1913
1914         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
1915         * tree-tailcall (add_virtual_phis): Likewise.
1916         (optimize_tail_call): Return TODOs.
1917         (execute_tail_calls): Return TODOs.
1918         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
1919         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
1920         changed.
1921         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
1922         Cleanup cfg using TODO.
1923         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
1924         * passes.c (execute_function_todo): When cleanup did something, remove
1925         unused locals.
1926         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
1927         (make_edges): Don't cleanup_cfg.
1928
1929 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
1930
1931         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
1932         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
1933         operate on the top of stack.
1934         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
1935         register handling of instructions that output to the second
1936         stack slot.
1937         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
1938         (move_for_stack_reg): Special-case check for dead destination
1939         stack slot for constant load of 1.0 inside UNSPEC_TAN.
1940
1941         * config/i386/i386.md (UNSPEC_TAN): New constant.
1942         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
1943         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
1944         to correctly model move of constant 1.0 to top stack slot.
1945         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
1946         (unnamed peephole2 pattern): Remove corresponding peephole2
1947         pattern that optimizes tan insn and loading of constant 1.0.
1948         (tanxf2): Use fptanxf4_i387.
1949         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
1950         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
1951         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
1952         disable patterns for SSE math.
1953         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
1954         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
1955
1956 2007-01-18  Dirk Mueller  <dmueller@suse.de>
1957             Richard Guenther <rguenther@suse.de>
1958
1959         PR diagnostic/8268
1960         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
1961         * common.opt (Warray-bounds): Add new warning option.
1962         * c-opts.c (c_common_handle_option): Define -Warray-bounds
1963         if -Wall is given.
1964         * Makefile.in: make tree-vrp.o depend on toplev.h
1965         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
1966         is enabled.
1967         (check_array_refs, check_array_bounds, check_array_ref): New.
1968
1969 2007-01-18  Jan Hubicka  <jh@suse.cz>
1970
1971         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
1972         (execute_ssa_ccp): Return flags conditionally.
1973         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
1974         changed.
1975         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
1976
1977 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
1978
1979         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
1980         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
1981
1982         * Makefile.c (GTFILES): Add cfglayout.h.
1983         * gengtype.c (open_base_files): Likewise.
1984         * cfglayout.c (cfg_layout_function_footer,
1985         cfg_layout_function_header) Reindent to make gengtype happy.
1986         * cfglayout.h (cfg_layout_function_footer,
1987         cfg_layout_function_header): Add GTY(()) marker.
1988
1989         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
1990
1991 2007-01-18  Ben Elliston  <bje@au.ibm.com>
1992
1993         * genautomata.c (write_automata): Include xstrerror output in the
1994         error message if writing the DFA description file fails.
1995
1996 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
1997
1998         * config/mips/mips-protos.h (mips_output_external): Make it
1999         return void.
2000         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
2001         * config/mips/mips.c (irix_output_external_libcall): Likewise.
2002         (extern_list): Likewise.
2003         (extern_head): Likewise.
2004         (TARGET_ASM_FILE_END): Likewise.
2005         (mips_file_end): Likewise.
2006         (mips_output_external): Rewritten.
2007
2008 2007-01-18  Ben Elliston  <bje@au.ibm.com>
2009
2010         * genpreds.c (write_insn_preds_c): Only write out the function
2011         body for regclass_for_constraint if we have register constraints.
2012
2013 2007-01-17  Tom Tromey  <tromey@redhat.com>
2014
2015         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
2016         * doc/install.texi (Testing): Use sourceware.org.
2017         (Binaries): Likewise.
2018         (Specific): Likewise.
2019         * doc/contrib.texi (Contributors): Use sourceware.org.
2020
2021 2007-01-17  Anatoly Sokolov <aesok@post.ru>
2022
2023         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
2024         (AVR_ENHANCED): Rename to ...
2025         (AVR_HAVE_MUL): ... new.
2026         (avr_enhanced_p): Rename to ...
2027         (avr_have_mul_p): ... new.
2028         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
2029         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
2030         * config/avr/avr.c (avr_enhanced_p): Rename to ...
2031         (avr_have_mul_p): ... new.
2032         (base_arch_s): Rename 'enhanced' to 'have_mul'.
2033         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
2034         'avr_enhanced_p' and 'enhanced'.
2035         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
2036         AVR_HAVE_MUL instead of AVR_ENHANCED.
2037         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
2038         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
2039         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
2040         instead of AVR_ENHANCED.
2041         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
2042         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
2043         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
2044
2045 2007-01-17  Ian Lance Taylor  <iant@google.com>
2046
2047         * vec.h (VEC_reserve_exact): Define.
2048         (vec_gc_p_reserve_exact): Declare.
2049         (vec_gc_o_reserve_exact): Declare.
2050         (vec_heap_p_reserve_exact): Declare.
2051         (vec_heap_o_reserve_exact): Declare.
2052         (VEC_OP (T,A,reserve_exact)): New static inline function, three
2053         versions.
2054         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
2055         negative parameter.
2056         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
2057         (VEC_OP (T,A,copy)) [all versions]: Likewise.
2058         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
2059         * vec.c (calculate_allocation): Add exact parameter.  Change all
2060         callers.
2061         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
2062         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
2063         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
2064         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
2065         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
2066         (vec_heap_p_reserve_exact): New function.
2067         (vec_heap_o_reserve_exact): New function.
2068
2069 2007-01-17  Jan Hubicka  <jh@suse.cz>
2070
2071         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
2072
2073 2007-01-17  Eric Christopher  <echristo@apple.com>
2074
2075         * config.gcc: Support core2 processor.
2076
2077 2007-01-16  Jan Hubicka  <jh@suse.cz>
2078
2079         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
2080         the names, just unlink the chain so we don't crash on dangling pointers
2081         to dead SSA names.
2082
2083 2007-01-16  Jan Hubicka  <jh@suse.cz>
2084
2085         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
2086         * tree-pass.h: Reorder to make IPA passes appear toegher.
2087         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
2088         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
2089         parameters, do not call early inliner.
2090         * ipa-inline.c: Update comments.  Include tree-flow.h
2091         (cgraph_decide_inlining): Do not compute inlining parameters.
2092         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
2093         be called with function context set up.
2094         (pass_ipa_inline): Remove unreachable functions before pass.
2095         (cgraph_early_inlining): Simplify assuming to be called from the
2096         PM as local pass.
2097         (pass_early_inline): New pass.
2098         (cgraph_gate_ipa_early_inlining): New gate.
2099         (pass_ipa_early_inline): Turn into simple wrapper.
2100         (compute_inline_parameters): New function.
2101         (gate_inline_passes): New gate.
2102         (pass_inline_parameters): New pass.
2103         (apply_inline): Move here from tree-optimize.c
2104         (pass_apply_inline): New pass.
2105         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
2106         transforming.
2107         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
2108         doing them by hand.
2109         (tree_function_versioning): Do not allocate dummy struct function.
2110         * tree-inline.h (optimize_inline_calls): Update prototype.
2111         * tree-optimize.c (execute_fixup_cfg): Export.
2112         (pass_fixup_cfg): Remove
2113         (tree_rest_of_compilation): Do not apply inlines.
2114         * tree-flow.h (execute_fixup_cfg): Declare.
2115         * Makefile.in (gt-passes.c): New.
2116         * passes.c: Include gt-passes.h
2117         (init_optimization_passes): New passes.
2118         (nnodes, order): New static vars.
2119         (do_per_function_toporder): New function.
2120         (execute_one_pass): Dump current pass here.
2121         (execute_ipa_pass_list): Don't dump current pass here.
2122
2123 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
2124
2125         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
2126         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
2127
2128 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
2129
2130         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
2131         (strong_alias): Define.
2132         (__gcc_qmul): Provide non-FMA for soft-float.
2133         (__gcc_qdiv): Same.
2134         (__gcc_qneg): New.
2135         (__gcc_qeq): New.
2136         (__gcc_qle): New.
2137         (__gcc_qge): New.
2138         (__gcc_qunord): New.
2139         (__gcc_stoq): New.
2140         (__gcc_dtoq): New.
2141         (__gcc_qtos): New.
2142         (__gcc_qtod): New.
2143         (__gcc_qtoi): New.
2144         (__gcc_qtou): New.
2145         (__gcc_itoq): New.
2146         (__gcc_utoq): New.
2147         (fmsub): New.
2148         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
2149         soft-float functions.
2150         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
2151         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
2152         about long double soft float.
2153
2154 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
2155             Tehila Meyzels  <tehila@il.ibm.com>
2156
2157         * tree-vectorizer.h (is_pattern_stmt_p): New.
2158         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
2159         formatting (tabs instead of spaces). Cleanup and clarify setting
2160         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
2161         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
2162         (vectorizable_type_demotion): Check that types are integral.
2163         (vectorizable_type_promotion): Likewise.
2164         (vectorizable_store): Fix typo.  Eliminate new-line at end of
2165         comments.
2166
2167 2007-01-16  Jan Hubicka  <jh@suse.cz>
2168
2169         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
2170         cgraph edges too.
2171
2172 2007-01-15  Eric Christopher  <echristo@apple.com>
2173
2174         * ifcvt.c: Include vec.h, vecprim.h.
2175         (check_cond_move_block): New argument regs.
2176         Reorganize. Add registers used to regs.
2177         (cond_move_process_if_block): Use regs set above as
2178         loop bounds.
2179
2180 2007-01-15  Eric Christopher  <echristo@apple.com>
2181
2182         * config/darwin.h: Update copyright.
2183         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
2184         (LINK_COMMAND_SPEC): Add -u.
2185         (LINK_SPEC): Fix umbrella for above.
2186
2187 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
2188
2189         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
2190         glibc CVS.
2191
2192 2007-01-15  Tom Tromey  <tromey@redhat.com>
2193
2194         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
2195         * doc/install.texi (Testing): Don't mention jacks.
2196         (Configuration): Document --enable-java-maintainer-mode.  Move
2197         --with-java-home to libgcj-specific section.  Document
2198         --with-ecj-jar.
2199         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
2200
2201 2007-01-15  Jan Hubicka  <jh@suse.cz>
2202
2203         * tree-ssa-dce.c (DCE_TODOs): New.
2204         (propagate_necessity): Return if something changed.
2205         (eliminate_unnecessary_stmts): Likewise.
2206         (perform_tree_ssa_dce): Return TODO flags when needed.
2207         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
2208
2209 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
2210
2211         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
2212         (fyl2x_extend<mode>xf3_i387): New insn pattern.
2213         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
2214         patterns using X87MODEF12 mode macro.  Extend operand 1
2215         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
2216         (log10<mode>2): Ditto.
2217         (log2<mode>2): Ditto.
2218         (log1p<mode>2): Ditto.
2219         (logb<mode>2): Ditto.
2220         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
2221         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
2222         (*fxtractxf3_i387): Rename from *fxtractxf3.
2223         (fxtract_extend<mode>xf3_i387): New insn pattern.
2224         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
2225         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
2226         and gen_fyl2xxf3_i387().
2227
2228 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
2229
2230         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
2231         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
2232         get_loop_exit_edges.  Changed return type to bool.
2233         * cfgloop.h (fix_loop_placement): Declaration removed.
2234
2235 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
2236
2237         * param.h (MIN_VECT_LOOP_BOUND): New.
2238         * params.def (MIN_VECT_LOOP_BOUND): New.
2239         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
2240         argument - minimum threshold for number of iterations.
2241         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
2242         argument to declaration.
2243         * tree-vect-analyze.c (vect_analyze_operations): Check value of
2244         MIN_VECT_LOOP_BOUND.
2245         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
2246         slpeel_tree_peel_loop_to_edge with additional argument.
2247         (vect_do_peeling_for_alignment): Likewise.
2248         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
2249
2250 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
2251
2252         PR target/30413
2253         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
2254         operands of size 1.
2255
2256 2007-01-14  Jan Hubicka  <jh@suse.cz>
2257
2258         * tree-dfa.c (remove_referenced_var): New function.
2259         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
2260         prune referenced vars list too.
2261         * tree-flow.h (remove_referenced_var): Declare.
2262
2263 2007-01-14  Jan Hubicka  <jh@suse.cz>
2264
2265         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
2266         separately.
2267         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
2268         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
2269         * except.h (verify_eh_throw_table_statements): Kill prototype.
2270         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
2271         into call exrepssions.
2272         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
2273         eh trhow verifier.
2274         * tree-cfg.c: Include pointer-set.h.
2275         (verify_node_sharing): Work on pointer set.
2276         (verify_eh_throw_stmt_node): New.
2277         (verify_stmts): Use pointers sets, verify throw_stmt.
2278
2279 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
2280
2281         * ipa-reference.c (analyze_function): Consider also addresses taken
2282         in phi nodes.
2283
2284 2007-01-12  Roger Sayle  <roger@eyesopen.com>
2285
2286         * c-typeck.c (null_pointer_constant_p): Replace use of
2287         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
2288         (build_c_cast): Likewise.
2289
2290 2007-01-12  Roger Sayle  <roger@eyesopen.com>
2291
2292         * tree.h (force_fit_type_double): Remove unused final argument.
2293         * c-common.c (constant_expression_warning): Replace use of
2294         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
2295         (convert_and_check): Likewise.
2296         (shorten_compare): Update call to force_fit_type_double.
2297         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
2298         * convert.c (convert_to_pointer): Update call to
2299         force_fit_type_double.
2300         * fold-const.c (force_fit_type_double): Remove overflowed_const
2301         argument.
2302         (int_const_binop, fold_convert_const_int_from_int,
2303         fold_convert_const_int_from_real, fold_div_compare,
2304         fold_sign_changed_comparison, fold_unary, fold_negate_const,
2305         fold_abs_const, fold_not_const): Remove the final argument from
2306         calls to force_fit_type_double.
2307
2308 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2309
2310         * configure.ac: Set insn to "nop" for spu-*-* also.
2311         * configure: Regenerate.
2312
2313 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
2314
2315         * builtins.def : Add BUILT_IN_FREE.
2316
2317 2007-01-12  Jan Hubicka  <jh@suse.cz>
2318
2319         PR tree-optimization/30443
2320         * tree-inline.c (tree_function_versioning): Do not optimize when
2321         cloning for inlining.
2322
2323 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
2324
2325         * doc/loop.texi: Document recording of loop exits.
2326         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
2327         (update_single_exits_after_duplication,
2328         update_single_exit_for_duplicated_loop,
2329         update_single_exit_for_duplicated_loops): Removed.
2330         (duplicate_loop_to_header_edge): Do not call
2331         update_single_exits_after_duplication and
2332         update_single_exit_for_duplicated_loops.
2333         (loop_version): Do not update single_exit information.
2334         (fix_loop_structure): Use record_loop_exits instead of
2335         mark_single_exit_loops.
2336         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
2337         the lists of loop exits.
2338         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
2339         split_edge, merge_blocks): Update the lists of loop exits.
2340         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
2341         loop_optimizer_init.
2342         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
2343         of mark_single_exit_loops.
2344         (loop_optimizer_finalize): Call release_recorded_exits.
2345         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
2346         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
2347         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
2348         update single exit information.
2349         * lambda-code.c (perfect_nestify): Ditto.
2350         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
2351         (mark_single_exit_loops): Removed.
2352         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
2353         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
2354         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
2355         functions.
2356         (get_loop_exit_edges, single_exit): Use recorded exit lists.
2357         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
2358         (verify_loop_structure): Verify consistency of the exit lists.
2359         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
2360         (set_single_exit): Removed.
2361         * cfgloop.h (struct loop_exit): New function.
2362         (struct loop): single_exit_ field replaced by exits field.
2363         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
2364         (struct loops): Added exits hash.
2365         (mark_single_exit_loops, set_single_exit): Declaration removed.
2366         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
2367
2368 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2369
2370         * doc/invoke.texi: Avoid use of @headitem.
2371
2372 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2373
2374         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
2375
2376 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2377
2378         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
2379         list of targets.
2380
2381 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
2382             Richard Sandiford  <richard@codesourcery.com>
2383
2384         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
2385         * config/m68k/m68k.opt: Resort options.
2386         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
2387
2388 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
2389             Richard Sandiford  <richard@codesourcery.com>
2390
2391         * doc/invoke.texi: Document the macros that are defined by
2392         m68k's -mtune and -mhard-float options.
2393         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
2394         (m68k_cpp_cpu_family): Likewise.
2395         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
2396         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
2397         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
2398         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
2399         (m68k_cpp_cpu_family): Likewise.
2400
2401 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2402
2403         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
2404         macros besides mc68000 as tuning macros.  Use a switch statement
2405         to set them and mcpu32.
2406
2407 2007-01-12  Julian Brown  <julian@codesourcery.com>
2408
2409         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
2410         (TARGET_68040_ONLY): Rename to...
2411         (TARGET_68040): ...this.
2412         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
2413         * config/m68k/m68k.md: Likewise.
2414
2415 2007-01-12  Julian Brown  <julian@codesourcery.com>
2416             Nathan Sidwell  <nathan@codesourcery.com>
2417             Richard Sandiford  <richard@codesourcery.com>
2418
2419         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
2420         the -mcpu= argument associated with the --with-cpu setting.
2421         Define M68K_DEFAULT_TUNE to the default -mtune= option,
2422         if different from the one implied by the -mcpu setting.
2423         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
2424         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
2425         * doc/invoke.texi: Mention ColdFire in the introduction to the
2426         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
2427         -mno-div and -mhard-float options.  Make -m68881 a synonym for
2428         -mhard-float.  Document the previously-undocumented -m5206e,
2429         -m528x, -m5307 and -m5407 options.  Tweak the existing option
2430         documentation for consistency.
2431         * doc/install.texi: Mention new --with-cpu arguments.
2432         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
2433         default CPU if neither -mcpu nor -march are specified.
2434         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
2435         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
2436         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
2437         using m68k_tune to decide between families that implement the
2438         same ISA.  Use m68k_tune to set __mcfv4e__.
2439         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
2440         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
2441         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
2442         (FL_ISA_C, FL_ISA_MMU): New macros.
2443         (MASK_COLDFIRE): Delete.
2444         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
2445         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
2446         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
2447         (TARGET_HARD_FLOAT): Do not define here.
2448         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
2449         (TUNE_68000): New macro.
2450         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
2451         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
2452         (TUNE_CFV2): Redefine in terms of m68k_tune.
2453         (uarch_type, target_device, fpu_type): New enums.
2454         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
2455         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
2456         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
2457         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
2458         (FL_FOR_isa_c): New macros.
2459         (m68k_isa): New enum.
2460         (m68k_target_selection): New structure.
2461         (all_devices, all_isas, all_microarchs): New tables.
2462         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
2463         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
2464         (MASK_ALL_CPU_BITS): Delete.
2465         (m68k_find_selection): New function.
2466         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
2467         Map the legacy target options to a combination of the new ones.
2468         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
2469         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
2470         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
2471         settings.
2472         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
2473         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
2474         properties.
2475         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
2476         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
2477         * config/m68k/m68k-devices.def: New file.
2478
2479 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2480             Nathan Sidwell  <nathan@codesourcery.com>
2481
2482         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
2483         (SUBTARGET_EXTRA_SPECS): New macros.
2484         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
2485         use %(asm_cpu_spec) instead.
2486         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
2487         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
2488         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
2489         (EXTRA_SPECS): Rename to...
2490         (SUBTARGET_EXTRA_SPECS): ...this.
2491
2492 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
2493             Richard Sandiford  <richard@codesourcery.com>
2494             Julian Brown  <julian@codesourcery.com>
2495
2496         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
2497         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
2498         to the configuration's default CPU.
2499         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
2500         Remove default masks.
2501         (m680[012]0-*-*): Set the default with_cpu to the first part of
2502         the target name.
2503         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
2504         (m68k*-*-linux): Extend the --with-cpu handling to...
2505         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
2506         and m68010.  Don't set target_cpu_default2.
2507         * doc/install.texi: Document --with-cpu for m68k.
2508         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
2509         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
2510         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
2511         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
2512         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
2513         (ASM_SPEC): Remove use of %(asm_cpu_default).
2514         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
2515         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
2516         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
2517         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
2518         __HAVE_FPU__ if TARGET_HARD_FLOAT.
2519         (TARGET_DEFAULT): Delete.
2520         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
2521         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
2522         (CPP_CPU_SPEC): Delete.
2523         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
2524         the appropriate string.
2525         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
2526         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
2527         (ASM_SPEC): Don't use %(asm_default_spec).
2528         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2529         TARGET_DEFAULT and add MASK_68881.
2530         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
2531
2532 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2533
2534         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
2535         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
2536         MASK_68010 alongside MASK_68020.
2537         * doc/invoke.texi: Document -m68010.
2538         * config/m68k/m68k.opt (m68010): New.
2539         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
2540         if TUNE_68010.
2541         (TUNE_68010): New macro.
2542         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
2543         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
2544         (M68K_CPU_m68332): Add MASK_68010.
2545         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
2546         fallback definition.
2547         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
2548         defines.
2549         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
2550         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
2551         to all entries that use MASK_68020.
2552         (output_move_simode_const, output_move_himode, output_move_qimode)
2553         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
2554         instead of TARGET_68020 to select clr behavior.  Remove comment
2555         about there being no TARGET_68010.
2556         * config/m68k/m68k.md: Likewise throughout.
2557
2558 2007-01-12  Julian Brown  <julian@codesourcery.com>
2559
2560         * config/m68k/m68k.h (TARGET_ISAB): New macro.
2561         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
2562         * config/m68k/m68k.md: Likewise.
2563
2564 2007-01-12  Julian Brown  <julian@codesourcery.com>
2565
2566         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
2567         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
2568
2569 2007-01-12  Julian Brown  <julian@codesourcery.com>
2570
2571         * config/m68k/m68k.h (TUNE_68040_60): New macro.
2572         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
2573         * config/m68k/m68k.md: Likewise.
2574
2575 2007-01-12  Julian Brown  <julian@codesourcery.com>
2576             Richard Sandiford  <richard@codesourcery.com>
2577
2578         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
2579         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
2580         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
2581         TARGET_CPU32.
2582         (TARGET_CPU32): Rename to...
2583         (TUNE_CPU32): ...this.
2584         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
2585         (TUNE_CFV2): New macros.
2586         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
2587         remove conditions that are implied by TARGET_68020.
2588         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
2589         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
2590         (m68k_output_function_epilogue): Likewise.
2591         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
2592         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
2593         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
2594         non-68000 timings.  Refactor multiplication and division costs.
2595         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
2596         TUNE_CPU32 instead of TARGET_CPU32.
2597         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
2598         and TUNE_68060 instead of TARGET_68060.
2599         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
2600         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
2601         TARGET_CPU32.
2602         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
2603         && !TARGET_COLDFIRE" to choose between moveq and clr.
2604         Likewise in the unnamed movsf pattern.
2605         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
2606         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
2607         ashiftrt pattern.
2608
2609 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2610
2611         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
2612         of tabbing before backslashes.
2613
2614 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2615
2616         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
2617         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
2618         (ASM_OUTPUT_INTERNAL_LABEL): Define.
2619
2620 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
2621
2622         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
2623         find_interesting_uses_cond.
2624         (find_interesting_uses_cond): Use extract_cond_operands.
2625         (rewrite_use_compare): Use extract_cond_operands and
2626         force_gimple_operand_bsi.  Do not call update_stmt.
2627         (determine_use_iv_cost_condition): Use extract_cond_operands.
2628         Return cheaper of using original bound and changing the exit bound.
2629
2630 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
2631
2632         PR tree-optimization/29516
2633         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
2634         most_expensive_mult_to_index, addr_to_parts,
2635         create_mem_ref, maybe_fold_tmr): Make the type of
2636         fields of TARGET_MEM_REF sizetype.
2637         (move_fixed_address_to_symbol, move_pointer_to_base):
2638         New functions.
2639         * tree.def (TARGET_MEM_REF): Add comment on types of
2640         the operands.
2641
2642 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
2643
2644         * c-common.c (vector_types_convertible_p): Treat opaque types as
2645         always convertible if they have the same size, but not otherwise.
2646
2647 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
2648
2649         * ifcvt.c (struct noce_if_info): Add comments to the fields.
2650         Remove the b_unconditional field.
2651         (noce_try_sign_mask): Do not look at b_unconditional.
2652         (noce_process_if_block): Do not use merge_if_blocks.  Update
2653         the CFG here.  Do not set b_unconditional.
2654         (cond_move_process_if_block): Likewise.
2655         (find_cond_trap): Likewise.
2656         (check_cond_move_block): Require simple jump insns at the end
2657         of the basic block.
2658
2659 2007-01-11  Jan Hubicka  <jh@suse.cz>
2660
2661         PR tree-optimization/1046
2662         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
2663         when alias info is not ready.
2664         (pass_tail_recursion): Do not require aliasing.
2665         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
2666         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
2667         * tree-ssa-copy.c (pass_copy_prop): Likewise.
2668         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
2669         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
2670         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
2671         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
2672         before inlining.
2673         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
2674         When aliasing is not build, mark statement as volatile.
2675
2676 2007-01-11  Tom Tromey  <tromey@redhat.com>
2677
2678         PR preprocessor/15185, PR preprocessor/20989:
2679         * doc/cppopts.texi <-MT>: Update description of algorithm for
2680         computing default target.
2681         <-M, -MD>: Reword "basename" text.
2682
2683 2007-01-11  Roger Sayle  <roger@eyesopen.com>
2684
2685         * builtins.c (expand_builtin_pow, expand_builtin_powi,
2686         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
2687         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
2688         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
2689         fold_builtin_bswap, real_constp, fold_builtin_pow,
2690         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
2691         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
2692         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
2693         * convert.c (convert_to_pointer): Likewise.
2694         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
2695         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
2696         const_binop, fold_convert_const_int_from_int,
2697         fold_convert_const_int_from_real,
2698         fold_convert_const_real_from_real, sign_bit_p,
2699         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
2700         fold_sign_changed_comparison, fold_unary, fold_comparison,
2701         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
2702         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
2703         * print-tree.c (print_node_brief, print_node): Likewise.
2704         * stor-layout.c (place_field, layout_type): Likewise.
2705         * tree-chrec.c (keep_cast): Likewise.
2706         * tree.c (build_vector, build_real, build_real_from_int_cst,
2707         build_complex): Likewise.
2708
2709 2007-01-11  Roger Sayle  <roger@eyesopen.com>
2710
2711         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
2712         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
2713
2714 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
2715
2716         * configure.ac (strict1_warn): Rename to strict_warn.
2717         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
2718         cc_set_by_configure, quoted_cc_set_by_configure,
2719         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
2720         all_boot_languages, all_stagestuff): Remove.
2721         (target_list): Remove bootstrap targets.
2722         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
2723         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
2724         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
2725         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
2726         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
2727         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
2728         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
2729         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
2730         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
2731         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
2732         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
2733         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
2734         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
2735         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
2736         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
2737         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
2738         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
2739         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
2740         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
2741         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
2742         (mostlyclean): Adjust.
2743         (clean, distclean): Don't mention bootstrap stuff.
2744         * configure: Regenerate.
2745         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
2746         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
2747         treelang/config-lang.in (stagestuff): Remove.
2748         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
2749         stageprofile, stagefeedback, stagestuff): Remove mention.
2750
2751 2007-01-11  Nick Clifton  <nickc@redhat.com>
2752
2753         * config/mcore/predicates.md (mcore_general_movesrc_operand):
2754         Accept CONSTs.
2755         (mcore_general_movdst_operand): Do not accept CONST_INTs.
2756         (mcore_arith_K_S_operand): Run the test for the S constraint not
2757         the test for the M constraint.
2758         (mcore_addsub_operand): Do not accept integer values that are
2759         larger than 32 bits.
2760         * config/mcore/mcore.md: Remove unused constraints from split.
2761         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
2762         (addsi3): Likewise.
2763         (allocate_stack): Likewise.
2764         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
2765         operands to 32 bits.
2766         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
2767         INTVAL.
2768         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
2769         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
2770         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
2771         mcore_output_bclri, mcore_output_andn, output_inline_const,
2772         mcore_output_move, mcore_output_movedouble): Likewise.
2773         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
2774         (output_inline_const): Likewise.
2775         (output_inline_const): Fix format strings used in sprintf
2776         statements.
2777         * config/mcore/mcore-protos.h: Update prototypes for changed
2778         functions in mcore.c.
2779         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
2780         HOST_WIDE_INT and not int.
2781         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
2782         CONST_OK_FOR_N): Likewise.
2783         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
2784         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
2785         an INTVAL.
2786
2787 2007-01-10  Jan Hubicka  <jh@suse.cz>
2788
2789         * tree-vrp.c (remove_range_assertions): Release defs.
2790         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
2791         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
2792
2793 2007-01-10  Paul Brook  <paul@codesourcery.com>
2794
2795         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
2796         * config/arm/arm.md (mulsi3subsi): New insn.
2797
2798 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
2799
2800         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
2801         (tree_transform_and_unroll_loop): New.
2802         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
2803         Declare.
2804
2805 2007-01-10  Robert Kennedy <jimbob@google.com>
2806
2807         * fold-const.c (fold_comparison): Fold comparisons like (x *
2808         1000 < 0) to (x < 0).
2809
2810 2007-01-10  Ian Lance Taylor  <iant@google.com>
2811
2812         * tree-pretty-print.c (dump_generic_node): Print parentheses when
2813         operands have the same priority.
2814
2815 2007-01-10  Tom Tromey  <tromey@redhat.com>
2816
2817         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
2818         (fold_binary): Likewise.
2819         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
2820         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
2821         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
2822         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
2823         * langhooks.h (struct lang_hooks): Removed field
2824         'can_use_bit_fields_p'.
2825
2826 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
2827
2828         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
2829
2830 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
2831
2832         * function.c (get_last_funcdef_no): New function.
2833         * function.h (get_last_funcdef_no): Declare.
2834         * tree-inline.c (initialize_cfun): Add initialization.
2835         (tree_function_versioning): Cleanup.
2836
2837 2007-01-10  Jan Hubicka  <jh@suse.cz>
2838
2839         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
2840         PHIs.
2841
2842 2007-01-10  Sa Liu  <saliu@de.ibm.com>
2843             Ben Elliston  <bje@au.ibm.com>
2844
2845         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
2846         for SAVE_NONLOCAL and Pmode for any other save level.
2847         * spu-protos.h (spu_restore_stack_block): Declare.
2848         * spu.md (save_stack_block): Remove.
2849         (restore_stack_block): Call spu_restore_stack_block.
2850         * spu.c (spu_restore_stack_block): New function.
2851         (spu_expand_epilogue): Remove old comment.
2852
2853 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
2854
2855         PR tree-optimization/30322
2856         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
2857         (cand_value_at): Return the value as aff_tree.
2858         (may_eliminate_iv): Convert the bound from aff_tree to tree.
2859         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
2860         aff_combination_mult): New functions.
2861         (aff_combination_add): Use aff_combination_add_cst.
2862         (aff_combination_convert): Allow conversions to a wider type.
2863         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
2864         * tree-affine.h (aff_combination_mult): Declare.
2865
2866 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
2867
2868         * doc/tm.texi: Update documentation to reflect reality of exec
2869         and start file search behaviours. Update copyright year.
2870         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
2871         header file directories.
2872
2873 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
2874
2875         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
2876         (*cosxf2): Rename to cosxf2_i387.
2877         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
2878         using X87MODEF12 mode macro. Rename patterns to
2879         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
2880         for SSE math.
2881         (*cosdf2, *cossf2): Ditto.
2882         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
2883         to match extended input operands.
2884         (sincos<mode>3): New expander.
2885         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
2886         insn patterns and corresponding splitters.
2887
2888 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
2889
2890         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
2891         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
2892
2893 2007-01-09  Nicolas Pitre  <nico@cam.org>
2894
2895         PR target/30173
2896         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
2897
2898 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
2899
2900         * target.h (struct gcc_target): New field library_rtti_comdat.
2901         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
2902         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
2903         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
2904         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
2905
2906 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
2907
2908         * doc/invoke.texi (Optimize Options): Correct description of -O0.
2909
2910 2007-01-08  Richard Guenther  <rguenther@suse.de>
2911
2912         * tree.h (force_fit_type_double): Export.
2913         (force_fit_type): Remove.
2914         * fold-const.c (force_fit_type_double): New function.
2915         (force_fit_type): Remove.
2916         (int_const_binop): Use it.
2917         (fold_convert_const_int_from_int): Likewise.
2918         (fold_convert_const_int_from_real): Likewise.
2919         (fold_div_compare): Likewise.
2920         (fold_sign_changed_comparison): Likewise.
2921         (fold_unary): Likewise.
2922         (fold_negate_const): Likewise.
2923         (fold_abs_const): Likewise.
2924         (fold_not_const): Likewise.
2925         * c-common.c (shorten_compare): Use force_fit_type_double.
2926         * convert.c (convert_to_pointer): Likewise.
2927
2928 2007-01-08  Richard Guenther  <rguenther@suse.de>
2929
2930         * tree.h (build_int_cst_wide_type): Export.
2931         * tree.c (build_int_cst_wide_type): New function.
2932         (build_int_cst_wide): Fix comment.
2933         * builtins.c (fold_builtin_object_size): Use build_int_cst
2934         to build -1 or 0 of the correct type.  Use fit_double_type
2935         to check for overflow.
2936         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
2937         to build the mask.
2938         (decode_field_reference): Likewise.
2939         (all_ones_mask_p): Likewise.
2940         (native_interpret_int): Use build_int_cst_wide_type.
2941         (fold_binary): Use build_int_cst_type to build an all-ones
2942         value.
2943         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
2944
2945 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
2946
2947         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
2948
2949 2007-01-09  Ben Elliston  <bje@au.ibm.com>
2950
2951         * genautomata.c (STATS_OPTION): New option.
2952         (stats_flag): New flag.
2953         (gen_automata_option): Handle it.
2954         (initiate_automaton_gen): Ditto.
2955         (write_automata): Output statistics only if stats_flag is
2956         set. Likewise, output time statistics only if time_flag is set.
2957         * doc/md.texi (Processor pipeline description): Document new flag.
2958
2959 2007-01-08  Richard Guenther  <rguenther@suse.de>
2960
2961         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
2962         * tree.c (build_int_cst_type): Likewise.
2963         (size_in_bytes): Don't call force_fit_type on the result.
2964         (int_fits_type_p): Use fit_double_type.
2965         * fold-const.c (fit_double_type): New function.
2966         (force_fit_type): Use it.
2967         * tree.h (fit_double_type): Export.
2968
2969 2007-01-08  Jan Hubicka  <jh@suse.cz>
2970
2971         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
2972         * ipa.c (function_and_variable_visibility): Fix return type.
2973
2974 2007-01-08  Richard Guenther  <rguenther@suse.de>
2975
2976         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
2977         of offset to build the index.
2978         * tree-pretty-print.c (dump_generic_node): Don't build negated
2979         const just for printing.
2980         * c-pretty-print.c (pp_c_integer_constant): Likewise.
2981         * builtins.c (fold_builtin_int_roundingfn): Check if result
2982         fits the type by using force_fit_type and comparing the result.
2983         * predict.c (predict_loops): Use compare_tree_int for comparison.
2984         * tree.c (build_int_cst): Fall back to integer_type_node for
2985         NULL_TREE type.
2986         (build_int_cst_wide): Assert type is non-null.
2987
2988 2007-01-08  Roberto Costa  <roberto.costa@st.com>
2989
2990         * tree-vrp.c (extract_range_from_cond_expr): New.
2991         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
2992         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
2993         as expressions.
2994         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
2995         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
2996         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
2997         used as expressions.
2998         * tree-object-size.c (cond_expr_object_size): New.
2999         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
3000
3001 2007-01-08  Jan Hubicka  <jh@suse.cz>
3002
3003         * tree-ssa-forwprop.c (forward_propagate_into_cond,
3004         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
3005         statement.
3006
3007 2007-01-08  Richard Guenther  <rguenther@suse.de>
3008
3009         PR tree-optimization/23603
3010         * tree-vrp.c (set_value_range_to_truthvalue): New function.
3011         (extract_range_from_binary): Fall back to truthvalue instead of
3012         varying for TRUTH_*_EXPR.
3013         (extract_range_from_comparison): Fall back to truthvalue instead of
3014         varying.
3015         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
3016         if all visited PHI values were constant.
3017
3018 2007-01-08  Jan Hubicka  <jh@suse.cz>
3019
3020         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
3021         (cgraph_analyze_function): break out from ...
3022         (cgraph_finalize_compilation_unit): ... here.
3023         (cgraph_expand_function): Remove forgoten commented out line.
3024         (cgraph_optimize): Analyze functions.
3025
3026 2007-01-08  Jan Hubicka  <jh@suse.cz>
3027
3028         * tree-pas.h (TODO_remove_function): New flag.
3029         (TODO_update*): Renumber.
3030         (pass_ipa_increase_alignment,
3031         pass_ipa_function_and_variable_visibility): New passes.
3032         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
3033         (cgraph_function_and_variable_visibility): Move to ipa.c
3034         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
3035         cgraph_increase_alignment.
3036         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
3037         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
3038         calling tree-inline.
3039         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
3040         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
3041         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
3042         (gate_increase_alignment): New function.
3043         (pass_ipa_increase_alignment): New pass.
3044         * ipa.c: Inline tree-pass.h and timevar.h
3045         (function_and_variable_visibility): Move here from cgraphunit.c
3046         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
3047         * passes.c (init_optimization_passes): Add the two new passes.
3048         (execute_todo): Handle cgraph_remove_functions.
3049
3050 2007-01-08  Nick Clifton  <nickc@redhat.com>
3051
3052         * config/frv/predicates.md (reg_or_0_operand): Accept
3053         CONST_DOUBLEs.
3054
3055 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
3056
3057         * config/bfin/rtems.h, config/bfin/t-rtems: New.
3058         * config.gcc: Add bfin*-rtems*.
3059
3060 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
3061
3062         * c.opt: Add -flax-vector-conversions.
3063         * c-typeck.c (convert_for_assignment): Pass flag to
3064         vector_types_convertible_p to allow emission of note.
3065         (digest_init): Likewise.
3066         * c-opts.c: Handle -flax-vector-conversions.
3067         * c-common.c (flag_lax_vector_conversions): New.
3068         (vector_types_convertible_p): Unless -flax-vector conversions
3069         has been passed, disallow conversions between vectors with
3070         differing numbers of subparts and/or element types.  If such
3071         a conversion is disallowed, possibly emit a note on the first
3072         occasion only to inform the user of -flax-vector-conversions.
3073         The new last argument specifies this.
3074         * c-common.h (flag_lax_vector_conversions): New.
3075         (vector_types_convertible_p): Add extra argument.
3076         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
3077         char_type_node for V*QI type vectors.
3078         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
3079         Update to satisfy new typechecking rules.
3080         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
3081         C and C++ variants.
3082         * doc/invoke.texi (C Dialect Options): Document
3083         -flax-vector-conversions.
3084
3085 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
3086
3087         PR tree-optimization/29877
3088         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
3089         a register variable on the RHS to not be replaceable.
3090
3091 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
3092         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
3093         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
3094         const_simm15, const_pow2, const_npow2): Added.
3095         * config/score/misc.md (insv, extv, extzv, movmemsi,
3096         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
3097         * config/score/score.c (score_address_cost, score_select_cc_mode):
3098         Added.
3099         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
3100         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
3101         Update score_print_operand.
3102         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
3103         Adjust register allocate order and update some macro define.
3104         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
3105         mdx_block_move_straight, mdx_block_move_loop_head,
3106         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
3107         mdx_block_move): Added.
3108         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
3109         mdp_limm): Updated and fix some bug and typo.
3110         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
3111         (movsf, movdf, doloop_end): Added.
3112
3113 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
3114
3115         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
3116         config/arm/thumb2.md: Fix comment typos.
3117         * doc/extend.texi: Fix a typo.
3118
3119 2007-01-07  Eric Christopher  <echristo@apple.com>
3120
3121         * configure.ac: Check for __stack_chk_fail for darwin.
3122         * configure: Regenerate.
3123
3124 2007-01-07  Richard Guenther  <rguenther@suse.de>
3125
3126         * tree-vrp.c (extract_range_from_assert): CSE calls to
3127         compare_values where possible.
3128         (extract_range_from_unary_expr): Likewise.
3129
3130 2007-01-07  Anatoly Sokolov <aesok@post.ru>
3131
3132         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
3133         * config/avr/avr.c (call_insn_operand): Delete function.
3134         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
3135         instead of register number. Use predicates.
3136         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
3137         call_insn_operand): Add.
3138
3139 2007-01-06  Jan Hubicka  <jh@suse.cz>
3140
3141         * tree-pass.h (pass_build_cgraph_edges): Declare.
3142         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
3143         (visited_nodes): Remove.
3144         (cgraph_create_edges): Move to cgraphbuild.c; rename to
3145         build_cgrpah_edges; make visited_nodes local.
3146         (cgraph_process_new_functions): DO not call initialize_inline_failed.
3147         (record_references_in_initializer): Move to cgraphbuild.c
3148         (initialize_inline_failed, rebuild_cgraph_edges,
3149         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
3150         (verify_cgraph_node): Make visited_nodes local.
3151         (cgraph_analyze_function): Do not call cgraph_create_edges and
3152         initialize_inline_failed.
3153         (cgraph_expand_function): Do not call cgraph_lower_function;
3154         assert that function is already lowered.
3155         * Makefile.in (cgraphbuild.o): New.
3156         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
3157         at the end of lowering passes.
3158
3159 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
3160
3161         * ifcvt.c (cond_move_convert_if_block): New function, code
3162         factored out from...
3163         (cond_move_process_if_block): ...here.  Call the new function
3164         on the THEN and ELSE blocks.
3165         (merge_if_block): Do not copy global_live_at_end, merge_blocks
3166         already takes care of this.
3167
3168 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3169
3170         PR c/19978
3171         * tree.h (TREE_OVERFLOW_P): New.
3172         * c-typeck.c (parser_build_unary_op): Warn only if result
3173         overflowed and operands did not.
3174         (parser_build_binary_op): Likewise.
3175         (convert_for_assignment): Remove redundant overflow_warning.
3176         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
3177
3178 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3179
3180         * c-typeck.c (store_init_value): Split over two lines to follow
3181         the GNU coding style.
3182
3183 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
3184
3185         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
3186         __GXX_EXPERIMENTAL_CXX0X__.
3187         * doc/cpp.texi: Same.
3188
3189 2007-01-05  Richard Guenther  <rguenther@suse.de>
3190
3191         PR middle-end/27826
3192         * tree.c (get_narrower): Do not construct COMPONENT_REFs
3193         with mismatched types.  Instead explicitly build a
3194         conversion NOP_EXPR.
3195
3196 2007-01-05  Ian Lance Taylor  <iant@google.com>
3197
3198         * c-common.c (decl_with_nonnull_addr_p): New function.
3199         (c_common_truthvalue_conversion): Call it.
3200         * c-typeck.c (build_binary_op): Likewise.
3201         * c-common.h (decl_with_nonnull_addr_p): Declare.
3202
3203 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
3204
3205         PR c/30360
3206         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
3207         denom against 0.0.
3208
3209 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
3210
3211         * doc/install.texi (Final install): Document the fact that
3212         the GNAT runtime should not be stripped.
3213
3214 2007-01-04  Jan Hubicka  <jh@suse.cz>
3215
3216         * tree-inline.c (fold_marked_statements): Update operand caches
3217         and EH after folding
3218
3219 2007-01-04  Ian Lance Taylor  <iant@google.com>
3220
3221         * c-common.c (check_function_nonnull): Whitespace fix.
3222
3223 2007-01-04  Jan Hubicka  <jh@suse.cz>
3224
3225         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
3226         comitted older version of patch.
3227         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
3228         function, celanup cfg and collect garbage.
3229
3230 2007-01-04  Mike Stump  <mrs@apple.com>
3231
3232         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
3233         (clean): Likewise.
3234
3235 2007-01-04  Eric Christopher  <echristo@apple.com>
3236
3237         * libgcc2.c (__bswapsi2): Use SItype.
3238         (__bswapdi2): Use DItype.
3239         * libgcc2.h: Update for above.
3240
3241 2007-01-04  Paul Brook  <paul@codesourcery.com>
3242
3243         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
3244         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
3245         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
3246         umulsidi3, umulsidi3adddi, smulsi3_highpart,
3247         umulsi3_highpart): Make conditional on !arm_arch6.
3248         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
3249         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
3250         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
3251         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
3252         umulsi3_highpart_v6): New insns.
3253
3254 2007-01-04  Roger Sayle  <roger@eyesopen.com>
3255
3256         * fold-const.c (fold_convert): When casting an expression to void,
3257         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
3258         have a type.  Instead of attempting to build a NOP_EXPR, return
3259         these "special" trees directly.
3260
3261 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
3262
3263         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
3264         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
3265         rs6000_cost->fp not 0 as adjustment for outer NEG.
3266
3267 2007-01-04  Jan Hubicka  <jh@suse.cz>
3268
3269         * cgraph.c (cgraph_release_function_body): New function.
3270         (cgraph_remove_node): Use it.
3271         * cgraph.h (cgraph_release_function_body): Declare.
3272         * cgraphunit.c (cgraph_expand_function): Use it.
3273         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
3274         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
3275         is initialized and while compilation of other function is running.
3276         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
3277         statement CFG annotations from here to ...
3278         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
3279
3280 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
3281
3282         * cfgloop.h (enum li_flags): Make the constants powers of two.
3283
3284 2007-01-04  Jan Hubicka  <jh@suse.cz>
3285
3286         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
3287         set.
3288         (fold_marked_statements): New function.
3289         (optimize_inline_calls, tree_function_versioning): Fold new statements.
3290         * tree-inline.h (copy_body_data): Add statements_to_fold.
3291
3292 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
3293
3294         * config.gcc: Mention libgcc/config.host.
3295         * Makefile.in: Update comments mentioning libgcc.
3296         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
3297         (all.cross, start.encap, rest.encap, rest.cross): Update
3298         dependencies for libgcc move.
3299         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
3300         (clean-target, clean-target-libgcc): Delete.
3301         (srcdirify, GCC_EXTRA_PARTS): New macros.
3302         (libgcc-support, libgcc.mvars): New rules.
3303         (distclean): Remove mention of mklibgcc.
3304         (install): Don't reference INSTALL_LIBGCC.
3305         (install-common): Don't reference EXTRA_PARTS.
3306         (install-libgcc, install-multilib): Delete rules.
3307         * mklibgcc.in: Delete file.
3308         * doc/configfiles.texi: Don't mention mklibgcc.
3309
3310         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
3311         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
3312         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
3313         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
3314         (mklibgcc, ldblspecs): Likewise.
3315
3316         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
3317         (posixpre.def): Use $(T).
3318         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
3319         (SHLIB_SRC, SHLIB_INSTALL): Delete.
3320         (SHLIB_LINK): Make dummy.
3321         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
3322
3323         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
3324
3325         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
3326         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
3327         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
3328         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
3329
3330         * configure.ac (all_outputs): Remove mklibgcc.
3331         * configure: Regenerated.
3332
3333 2007-01-03  Josh Conner  <jconner@apple.com>
3334
3335         PR middle-end/29683
3336         * calls.c (compute_argument_addresses): Set stack and stack_slot
3337         for partial args, too.
3338         (store_one_arg): Use locate.size.constant for the size when
3339         generating a save_area.
3340
3341 2007-01-03  Robert Kennedy <jimbob@google.com>
3342
3343         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
3344         whose definitions are deleted due to basic block merging.
3345
3346 2007-01-03  Paul Brook  <paul@codesourcery.com>
3347
3348         PR target/16634
3349         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
3350         functions.
3351         (use_return_insn): Return 0 for Thumb interrupt functions.
3352         (print_multi_reg): Add rfe argument for IRQ returns.
3353         (arm_output_epilogue): Pop interrupt return address directly into PC.
3354         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
3355
3356 2007-01-03  Paul Brook  <paul@codesourcery.com>
3357
3358         Merge from sourcerygxx-4_1.
3359         * config/arm/thumb2.md: New file.
3360         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
3361         Thumb-2.
3362         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
3363         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
3364         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
3365         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
3366         tables.
3367         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
3368         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
3369         comptibility.
3370         * config/arm/ieee754-sf.S: Ditto.
3371         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
3372         (thumb1_base_register_rtx_p): ... to this.
3373         (thumb_index_register_rtx_p): Rename...
3374         (thumb1_index_register_rtx_p): ... to this.
3375         (thumb_output_function_prologue): Rename...
3376         (thumb1_output_function_prologue): ... to this.
3377         (thumb_legitimate_address_p): Rename...
3378         (thumb1_legitimate_address_p): ... to this.
3379         (thumb_rtx_costs): Rename...
3380         (thumb1_rtx_costs): ... to this.
3381         (thumb_compute_save_reg_mask): Rename...
3382         (thumb1_compute_save_reg_mask): ... to this.
3383         (thumb_final_prescan_insn): Rename...
3384         (thumb1_final_prescan_insn): ... to this.
3385         (thumb_expand_epilogue): Rename...
3386         (thumb1_expand_epilogue): ... to this.
3387         (arm_unwind_emit_stm): Rename...
3388         (arm_unwind_emit_sequence): ... to this.
3389         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
3390         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
3391         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
3392         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
3393         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
3394         thumb2_output_casesi): New functions.
3395         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
3396         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
3397         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
3398         THUMB2_WORK_REGS): Define.
3399         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
3400         arm_condexec_mask, arm_condexec_masklen)): New variables.
3401         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
3402         (arm_override_options): Check new CPU capabilities.
3403         Set new architecture flag variables.
3404         (arm_isr_value): Handle v7m interrupt functions.
3405         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
3406         Thumb-2.
3407         (const_ok_for_arm): Handle Thumb-2 constants.
3408         (arm_gen_constant): Ditto.  Use movw when available.
3409         (arm_function_ok_for_sibcall): Return false for v7m interrupt
3410         functions.
3411         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
3412         (thumb_find_work_register, arm_load_pic_register,
3413         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
3414         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
3415         print_multi_reg, output_mov_long_double_fpa_from_arm,
3416         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
3417         output_mov_double_fpa_from_arm, output_move_double,
3418         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
3419         output_return_instruction, arm_output_function_prologue,
3420         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
3421         arm_output_mi_thunk, thumb_set_return_address): Ditto.
3422         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
3423         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
3424         (arithmetic_instr, shift_op): Use arm_shift_nmem.
3425         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
3426         '!' and 'L'.
3427         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
3428         (thumb_expand_prologue): Use thumb_set_frame_pointer.
3429         (arm_file_start): Output directive for unified syntax.
3430         (arm_unwind_emit_set): Handle stack alignment instruction.
3431         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
3432         Add v6t2, v7, v7a, v7r and v7m.
3433         (RETLDM): Add Thumb-2 code.
3434         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
3435         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
3436         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
3437         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
3438         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
3439         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
3440         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
3441         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
3442         ADJUST_INSN_LENGTH): Define.
3443         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
3444         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
3445         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
3446         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
3447         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3448         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
3449         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
3450         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
3451         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
3452         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
3453         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
3454         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
3455         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
3456         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
3457         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
3458         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
3459         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
3460         cortex-m3.
3461         * config/arm/arm-tune.md: Regenerate.
3462         * config/arm/arm-protos.h: Update prototypes.
3463         * config/arm/vfp.md: Enable patterns for Thumb-2.
3464         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
3465         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
3466         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
3467         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
3468         * config/arm/libunwind.S: Add Thumb-2 code.
3469         * config/arm/constraints.md: Update include Thumb-2.
3470         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
3471         * config/arm/ieee754-df.S: Ditto.
3472         * config/arm/bpabi.S: Ditto.
3473         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
3474         * config/arm/predicates.md (low_register_operand,
3475         low_reg_or_int_operand, thumb_16bit_operator): New.
3476         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
3477         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
3478         * config/arm/t-arm-elf: Add armv7 multilib.
3479         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
3480         Include thumb2.md.
3481         (UNSPEC_STACK_ALIGN, ce_count): New.
3482         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
3483         arm_zero_extendsidi2, arm_zero_extendqidi2): New
3484         insns/expanders.
3485         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
3486         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
3487         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
3488         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
3489         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
3490         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
3491         insns.
3492         * doc/extend.texi: Document ARMv7-M interrupt functions.
3493         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
3494
3495 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
3496
3497         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
3498         (struct _Unwind_Context): Rename args_size to flags, remove
3499         signal_frame field, add a new args_size field and version field.
3500         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
3501         _Unwind_IsExtendedContext): New inline functions.
3502         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3503         Assume by_value array is only present if _Unwind_IsExtendedContext.
3504         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
3505         _Unwind_IsSignalFrame.
3506         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
3507         (uw_update_context_1): Use _Unwind_SetSignalFrame.
3508         (uw_init_context_1): Initialize context->flags to
3509         EXTENDED_CONTEXT_BIT.
3510         * config/rs6000/linux-unwind.h (frob_update_context): Use
3511         _Unwind_SetSignalFrame.
3512
3513 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3514
3515         PR middle-end/30353
3516         * gimplify.c (gimplify_modify_expr_complex_part): Move below
3517         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
3518         the value.
3519
3520 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
3521
3522         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
3523         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
3524         RET, AT_SP): Remove.
3525         * config/i386/i386.md (*sse_prologue_save_insn): Use return
3526         instead of RET.
3527
3528         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
3529         * cfgbuild.c (find_basic_blocks): Likewise.
3530         * cfgrtl.c (rtl_create_basic_block): Likewise.
3531         * function.c (temp_slots_at_level): Likewise.
3532         * reg-stack.c (stack_regs_mentioned): Likewise.
3533         * regclass.c (allocate_reg_info): Likewise.
3534         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
3535         set_bb_for_stmt, move_block_to_fn): Likewise.
3536         * tree-complex.c (tree_lower_complex): Likewise.
3537         * vec.h (VEC_safe_grow_cleared): New.
3538
3539         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
3540
3541 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
3542
3543         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
3544         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
3545         to loop_version.
3546         * cfgloopmanip.c (scale_loop_frequencies): Export.
3547         (loopify): Scale the frequencies by prescribed coefficients.
3548         (set_zero_probability): New function.
3549         (duplicate_loop_to_header_edge): Improve updating of frequencies.
3550         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
3551         and frequencies according to arguments.
3552         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
3553         correctly.
3554         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
3555         * modulo-sched.c (sms_schedule): Set probabilities for entering
3556         versioned loop correctly.
3557         * tree-vect-transform.c (vect_transform_loop): Ditto.
3558         * cfgloop.h (loopify, loop_version): Declaration changed.
3559         (scale_loop_frequencies): Declared.
3560
3561 2007-01-02  Jan Hubicka  <jh@suse.cz>
3562
3563         * cgraph.c: Include tree-flow.h
3564         (cgraph_add_new-function): Handle IPA_SSA mode; execute
3565         early_local_passes.
3566         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
3567         * tree-pass.h (pass_all_early_optimizations): Declare.
3568         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
3569         early_local_passes.
3570         (cgraph_analyze_function): Do early_local_passes.
3571         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
3572         Do not add referenced vars.
3573         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
3574         SSA form.
3575         (gate_all_early_local_passes): New gate.
3576         (pass_early_local_passes): Use new gate.
3577         (execute_early_local_optimizations): New functions.
3578         (gate_all_early_optimizations): New gate.
3579         (pass_all_early_optimizations): New pass.
3580         (execute_free_datastructures): Free SSA only when initialized.
3581         (gate_init_datastructures): Init only when optimizing.
3582         (tree_lowering_passes): Do early local passes when called late.
3583         * tree-profile.c (do_tree_profiling): Don't profile functions added
3584         late.
3585         (do_early_tree_profiling, pass_early_tree_profile): Kill.
3586         * tree-cfg.c (update_modified_stmts): Do not update when operands are
3587         not active.
3588         * passes.c (init_optimizations_passes): Reorder so we go into SSA
3589         during early_local_passes.
3590         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
3591
3592
3593 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
3594
3595         * Makefile.in: Update copyright year.
3596
3597 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
3598
3599         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
3600         in $(lang_checks) and check-consistency targets.
3601
3602 2007-01-02  Jan Hubicka  <jh@suse.cz>
3603
3604         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
3605         Do not add referenced vars.
3606         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
3607         are not active.
3608         * passes.c (init_optimization_passes): Put mudflap_2 after
3609         free_datastructures.
3610
3611 2007-01-02  Jan Hubicka  <jh@suse.cz>
3612
3613         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
3614         Set NOTHROW flag on call statements proved to be nothrow.
3615         Update statement of local calls so new pure/const functions are
3616         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
3617         goto receivers.
3618         (tree_rest_of_compilation): Register hooks and initialize bitmap
3619         early. Do not set after_inlining flag.
3620
3621 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
3622
3623         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
3624         HOST_BITS_PER_LONGLONG
3625
3626 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3627
3628         PR c/19977
3629         * c-typeck.c (store_init_value): Don't emit pedantic overflow
3630         warning for non-static initializers.
3631
3632 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
3633
3634         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
3635         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
3636         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
3637         Always use set_unique_reg_note to add REG_EQUAL notes.
3638
3639 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
3640
3641         Revert:
3642         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
3643
3644         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
3645         * cfgbuild.c (find_basic_blocks): Likewise.
3646         * cfgrtl.c (rtl_create_basic_block): Likewise.
3647         * function.c (temp_slots_at_level): Likewise.
3648         * reg-stack.c (stack_regs_mentioned): Likewise.
3649         * regclass.c (allocate_reg_info): Likewise.
3650         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
3651         set_bb_for_stmt, move_block_to_fn): Likewise.
3652         * tree-complex.c (tree_lower_complex): Likewise.
3653         * vec.h (VEC_safe_grow_cleared): New.
3654
3655 2007-01-02  Ian Lance Taylor  <iant@google.com>
3656
3657         * c-common.c (c_common_truthvalue_conversion): When warning about
3658         using an assignment as a truth value, set TREE_NO_WARNING.
3659
3660 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3661
3662         PR middle-end/7651
3663         * c.opt (Wold-style-declaration): New.
3664         * doc/invoke.texi (C-only Warning Options): New.
3665         (Wold-style-declaration): Document it.
3666         (Wextra): Enabled by -Wextra.
3667         * c-opts.c (c_common_post_options): Enabled by -Wextra.
3668         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
3669         -Wold-style-declaration.
3670
3671 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
3672
3673         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
3674         * cfgbuild.c (find_basic_blocks): Likewise.
3675         * cfgrtl.c (rtl_create_basic_block): Likewise.
3676         * function.c (temp_slots_at_level): Likewise.
3677         * reg-stack.c (stack_regs_mentioned): Likewise.
3678         * regclass.c (allocate_reg_info): Likewise.
3679         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
3680         set_bb_for_stmt, move_block_to_fn): Likewise.
3681         * tree-complex.c (tree_lower_complex): Likewise.
3682         * vec.h (VEC_safe_grow_cleared): New.
3683
3684 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
3685
3686         * c-common.c (c_common_nodes_and_builtins): Since variants of
3687         void_type_node get built before it is given a name, we need to
3688         give those variants the name, too.
3689         (complete_array_type): We need to work with the canonical main
3690         type of the array, from which we will build the qualified version.
3691         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
3692         * print-tree.c (print_node): Display canonical type information
3693         for each type.
3694         * stor-layout.c (layout_type): When we don't know the
3695         alignment of a type for which we're building an array, we end up
3696         guessing wrong, so make the type require structural equality.
3697         * tree.c (make_node_stat): When we build a new type, it is its
3698         own canonical type.
3699         (build_type_attribute_qual_variant): When building an attribute
3700         variant, its canonical type is the non-attribute variant. However,
3701         if the attributes are target-dependent and they differ, we need to
3702         use structural equality checks for this type.
3703         (build_qualified_type): A qualified type is not equivalent to its
3704         unqualified variant; set the canonical type appropriately.
3705         (build_distinct_type_copy): When building a distinct type from
3706         another type, the new type is its own canonical type.
3707         (build_variant_type_copy): When building a new type variant, we
3708         assume that it is equivalent to the original type.
3709         (build_pointer_type_for_mode): When building a pointer type, also
3710         build a canonical type pointer.
3711         (build_reference_type_for_mode): When building a reference type,
3712         also build a canonical type reference.
3713         (build_index_type): When we can't hash an index type (e.g.,
3714         because its maximum value is negative), the index type requires
3715         structural equality tests.
3716         (build_array_type): Build the canonical form of an array type.
3717         (build_function_type): Function types require structural equality,
3718         because they contain default arguments, attributes, etc.
3719         (build_method_type_directly): Ditto for method types.
3720         (build_offset_type): Build the canonical offset type.
3721         (build_complex_type): Build the canonical vector type.
3722         (make_vector_type): Build the canonical vector type.
3723         * tree.h (TYPE_CANONICAL): New.
3724         (TYPE_STRUCTURAL_EQUALITY_P): New.
3725         (SET_TYPE_STRUCTURAL_EQUALITY): New.
3726         (struct tree_type): Added "canonical" field.
3727         * params.h (VERIFY_CANONICAL_TYPES): New.
3728         * doc/c-tree.texi (TYPE_CANONICAL): Document.
3729         (TYPE_STRUCTURAL_EQUALITY_P): Document.
3730         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
3731         * doc/invoke.texi (verify-canonical-types): Document --param
3732         parameter for verifying canonical types.
3733
3734 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
3735
3736         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
3737         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
3738         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
3739         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
3740         tm_file.
3741         * config/rs6000/e500.h: New.
3742         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
3743         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
3744         Remove.
3745         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
3746         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
3747         TARGET_E500_DOUBLE): Remove.
3748         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
3749         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
3750         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
3751         * config/rs6000/rs6000.c (rs6000_override_options): Use
3752         CHECK_E500_OPTIONS.
3753
3754 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
3755
3756         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
3757         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
3758         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
3759         rs6000_emit_cmove): Don't check TARGET_E500.
3760         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
3761         sordered): Don't check TARGET_E500.
3762
3763 2007-01-01  Eric Christopher  <echristo@apple.com>
3764
3765         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
3766         HARD_REGISTER_NUM_P.
3767
3768 2007-01-01  Roger Sayle  <roger@eyesopen.com>
3769
3770         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
3771         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
3772         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
3773         eq/ne Y".
3774
3775 2007-01-01  Mike Stump  <mrs@apple.com>
3776
3777         * configure.ac: Remove support for building with Apple's gcc-3.1.
3778
3779 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
3780
3781         PR middle-end/30311
3782         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
3783         REG is a hard register.  Do not modify REG before calling
3784         subreg_nregs.
3785         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
3786         multiple of the size of YMODE for certain lowpart cases.
3787
3788 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
3789
3790         PR middle-end/30253
3791         * gimplify (voidify_wrapper_expr): Update for
3792         GIMPLE_MODIFY_STMT.
3793
3794 2007-01-01  Andreas Schwab  <schwab@suse.de>
3795
3796         PR target/29166
3797         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
3798         save of BR0 in extra_spill_size instead of spill_size.
3799         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
3800         area.
3801         (ia64_expand_epilogue): Restore BR0 from its new location.
3802
3803 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
3804
3805         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
3806         Use a temporary variable if the left hand side is not a gimple
3807         register.
3808
3809 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
3810
3811         * gimplify.c (gimplify_return_expr): Make the temporary variable
3812         for the return expression, a gimple register variable.
3813
3814 2007-01-01  Jan Hubicka  <jh@suse.cz>
3815
3816         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
3817         INSN_LIST.
3818
3819 2007-01-01  Mike Stump  <mrs@apple.com>
3820
3821         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
3822         .literal16.
3823         * config/darwin.c (machopic_select_rtx_section): Use
3824         HAVE_GAS_LITERAL16.
3825         (darwin_mergeable_constant_section): Likewise.
3826         * configure: Regenerate.
3827         * config.in: Regenerate.
3828
3829 2007-01-01  Jan Hubicka  <jh@suse.cz>
3830             Andrew Pinski  <pinskia@gmail.com>
3831
3832         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
3833         before starting IPA passes.