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