PR middle-end/30667
[official-gcc.git] / gcc / ChangeLog
blobfbf14560fd3dcdb0fcdf08a64e2e07a7b3f59b32
1 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
3         PR middle-end/30667
4         * combine.c (try_combine): Do not substitute source operand
5         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
7 2007-02-03  Jan Hubicka  <jh@suse.cz>
9         PR gcov-profile/30650
10         * value-prof.c (stringop_block_profile): Fix handling of size counter;
11         do not divide by zero for never executed counters.
12         (tree_find_values_to_profile): Fix counters.
13         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
15 2007-02-03  Ian Lance Taylor  <iant@google.com>
17         * lower-subreg.c (simple_move_operand): New static function,
18         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
19         operands.
20         (simple_move): Call simple_move_operand.
21         (find_decomposable_subregs): Add special handling of MEMs.
22         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
23         meaning of return value.  If we see a hard register, test whether
24         it can store a word_mode value.  Change all callers.
26 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
28         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
29         ftrapv insns and expanders.
30         (subdi3): Change define_expand operand 1 to arith11_operand, and
31         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
32         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
33         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
34         respectively.
36         PR middle-end/30174
37         * varasm.c (notice_global_symbol): Treat global objects as weak when
38         flag_shlib is true.
40 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
42         * emit-rtl.c (dconstpi): Delete.
43         (dconstsqrt2): New.
44         (init_emit_once): Delete dconstpi and init dconstsqrt2.
45         * real.h (dconstpi): Delete.
46         (dconstsqrt2): New.
47         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
48         (fold_builtin_hypot): Likewise.
50 2007-02-03  Tom Tromey  <tromey@redhat.com>
52         PR driver/30246
53         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
54         -gcoff3, -gxcoff3, -gvms3 implies -dD.
56 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
58         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
59         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
60         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
61         config/rs6000/cell.md, config/rs6000/darwin.h,
62         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
63         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
64         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
65         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
66         typos.  Follow spelling conventions.
67         * doc/invoke.texi: Follow spelling conventions.
69 2007-02-03  Roger Sayle  <roger@eyesopen.com>
71         * simplify-rtx.c (simplify_relational_operation_1): Implement some
72         canonicalization transformations that attempt to simplify integer
73         constant comparisons to become comparisons against zero.
75 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
77         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
78         fabs(x)*sqrt(2).
79         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
80         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
82 2007-02-02  Mike Stump  <mrs@apple.com>
84         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
85         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
86         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
87         generate a branch island.
89 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
91         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
92         (xtensa_legitimate_address_p): New.
93         (xtensa_legitimize_address): New.
94         (xtensa_output_addr_const_extra): New.
95         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
96         (BASE_REG_P): New.
97         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
98         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
99         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
100         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
101         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
102         (xtensa_legitimize_address): New.
103         (xtensa_output_addr_const_extra): New.
105 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
107         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
109 2007-02-02  Ian Lance Taylor  <iant@google.com>
111         * expmed.c (expand_divmod): Add comment.
113 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
115         * emit-rtl.c (renumber_insns): Remove.
116         * flags.h: Remove the extern for flag_renumber_insns.
117         * rtl.h: Remove the prototype for renumber_insns.
118         * toplev.c (flag_renumber_insns): Remove.
120 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
122         Revert for x86 darwin:
123         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
124         
125         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
126         code before the following patch under TARGET_MACHO.
127         (ix86_function_value_regno_p): Likewise.
129 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
131         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
132         COMPLEX_EXPR.
134 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
136         PR target/29682
137         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
138         general or fp registers.  Add comments.
139         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
141 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
143         * pointer-set.c (insert_aux): Only return insertion slot.
144         (pointer_set_insert): Adjust.
145         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
146         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
147         pointer_map_traverse): New.
148         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
149         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
150         pointer_map_contains, pointer_map_traverse): Declare.
152 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
154         PR middle-end/30473
155         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
156         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
158 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
160         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
161         
162         (struct _dep): New type.
163         (dep_t): New typedef.
164         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
165         (DEP_STATUS): New access macro.  The macro with the same name was
166         renamed to DEP_LINK_STATUS.
167         (dep_init): Declare function
169         (struct _dep_link): New type.
170         (dep_link_t): New typedef.
171         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
172         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
173         (DEP_LINK_STATUS): New macro.
174         (debug_dep_links): New debug function.
176         (struct _deps_list): New type.
177         (deps_list_t): New typedef.
178         (DEPS_LIST_FIRST): New access macro.
179         (FOR_EACH_DEP_LINK): New cycle macro.
180         (create_deps_list, free_deps_list, delete_deps_list): Declare
181         functions.
182         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
183         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
184         (copy_deps_list_change_con): Ditto.
186         (move_dep_link): Declare function.
188         (struct _dep_node): New type.
189         (dep_node_t): New typedef.
190         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
192         (struct haifa_insn_data.back_deps): New field to hold backward
193         dependencies of the insn.
194         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
195         to deps_list_t.
196         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
197         Change its type to deps_list_t.
198         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
199         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
200         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
202         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
203         
204         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
206         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
207         all callers.
208         (dep_cost): Declare.
209         
210         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
211         (ds_to_dk, dk_to_ds): New functions.
212         
213         (init_dep_1): New static function.
214         (init_dep): New function.
215         (copy_dep): New static function.
216         
217         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
218         functions.
219         (detach_dep_link): New static function.
220         (move_dep_link): New function.
221         
222         (dep_links_consistent_p, dump_dep_links): New static functions.
223         (debug_dep_links): New debugging function.
224         
225         (deps_obstack, dl_obstack, dn_obstack): New static variables.
226         
227         (alloc_deps_list, init_deps_list): New static functions.
228         (create_deps_list): New function.
229         (clear_deps_list): New static function.
230         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
231         (deps_list_consistent_p, dump_deps_list): New static functions.
232         (debug_deps_list): New function.
233         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
234         functions.
235         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
237         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
238         use new scheduler dependencies lists.
239         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
240         (sched_analyze): Ditto.  Initialize dependencies lists.
241         (add_forw_dep, compute_forward_dependences): Update to use new
242         scheduler dependencies lists.
243         
244         (init_dependency_caches): Init deps_obstack.
245         (free_dependency_caches): Free deps_obstack.
246         
247         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
248         new scheduler dependencies lists.
249         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
250         (add_back_forw_dep, delete_back_forw_dep): Ditto.
252         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
253         Update to use new scheduler dependencies lists.
254         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
255         (debug_dependencies): Ditto.
256         (schedule_region): Update comments.
257         
258         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
259         scheduler dependencies lists.
260         (schedule_ebb): Update comments.
261         
262         * rtl.def (DEPS_LIST): Remove.
263         
264         * lists.c (unused_deps_list): Remove.
265         (free_list): Update assertions.
266         
267         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
268         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
270         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
271         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
272         
273         * haifa-sched.c (comments): Update.
274         (insn_cost1): Remove.  Inline the code into insn_cost ().
275         (insn_cost): Update to use new scheduler dependencies lists.  Move
276         processing of the dependency cost to dep_cost ().
277         (dep_cost): New function.  Use it instead of insn_cost () when
278         evaluating cost of the dependency.  Use compatible interface to
279         interact with the target.
280         (priority): Update to use new scheduler dependencies lists.
281         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
282         with greater number of insns that depend on the insn.
283         (schedule_insn): Update to use new scheduler dependencies lists.  Add
284         code to free backward dependencies lists.  Inline and optimize code
285         from resolve_dep () - see PR28071.
286         (ok_for_early_queue_removal): Update to use new scheduler dependencies
287         lists.  Update call to targetm.sched.is_costly_dependence hook.
288         
289         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
290         scheduler dependencies lists.
291         
292         (resolve_dep): Remove.  Move the logic to schedule_insn ().
293         (init_h_i_d): Initialize dependencies lists.
294         
295         (process_insn_depend_be_in_spec): Rename to
296         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
297         dependencies lists.
298         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
299         Update to use new scheduler dependencies lists.
300         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
301         
302         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
303         new scheduler dependencies lists.
304         (build_intra_loop_deps): Ditto.
305         
306         * target.h (struct _dep): Declare to use in
307         gcc_target.sched.is_costly_dependence.
308         (struct gcc_target.sched.adjust_cost): Fix typo.
309         (struct gcc_target.sched.is_costly_dependence): Change signature to use
310         single dep_t parameter instead of an equivalent triad.
311         (struct gcc_target.sched.adjust_cost_2): Remove.
313         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
315         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
317         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
318         documentation.
319         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
321         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
322         (REG_DEP_TRUE): Document.
323         
324         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
325         Change signature to correspond to the targetm.sched.adjust_cost hook.  
326         Update use in TARGET_SCHED_ADJUST_COST_2.
327         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
328         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
329         new scheduler dependencies lists.
330         (ia64_gen_check): Ditto.
332         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
333         dependencies lists.
334         
335         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
336         signature to correspond to the targetm.sched.is_costly_dependence hook.
337         (is_costly_group): Update to use new scheduler dependencies lists.
339         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
340         instead of INSN_COST () macro.
342 2007-02-01  Ian Lance Taylor  <iant@google.com>
344         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
346 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
348         * pa.md (tp_load): Correct mfctl instruction syntax.
350 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
352         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
353         altivec_padding_size calculation on AIX.  Improve comment, add
354         assert to verify that it's right.
356         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
357         64-bit.
359 2007-2-01   Seongbae Park <seongbae.park@gmail.com>
361         PR inline-asm/28686
362         * global.c (global_alloc): Add mising initialization of
363         ELIMINABLE_REGSET.
365 2007-02-01  Roger Sayle  <roger@eyesopen.com>
367         * alias.c (init_alias_analysis): Correct whitespace.
368         * bb-reorder.c (fix_edges_for_rarely_executed_code,
369         partition_hot_cold_basic_blocks): Likewise.
370         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
371         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
372         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
373         fold_builtin_snprintf_chk, fold_builtin_printf,
374         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
375         do_mpfr_arg3, do_mpfr_sincos): Likewise.
376         * cfgcleanup.c (cleanup_cfg): Likewise.
377         * cfgexpand.c (tree_expand_cfg): Likewise.
378         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
379         * function.c (get_next_funcdef_no): Likewise.
380         * gengtype.c (main): Likewise.
381         * genmodes.c (main): Likewise.
382         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
383         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
384         * ifcvt.c (noce_emit_move_insn): Likewise.
385         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
386         Likewise.
387         * stor-layout.c (get_best_mode): Likewise.
388         * tree-ssa-loop-niter.c (get_val_for): Likewise.
389         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
390         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
391         perform_var_substitution, solve_graph): Likewise.
392         * tree-vrp.c (vrp_finalize): Likewise.
394 2007-02-01  Ian Lance Taylor  <iant@google.com>
396         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
397         high part of a paradoxical subreg, return a constant zero.
399 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
401         * toplev.c (lang_dependent_init): Call init_set_costs.
402         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
404 2007-02-01  Richard Guenther  <rguenther@suse.de>
406         PR middle-end/30656
407         * fold-const.c (fold_negate_expr): Allow negating a
408         constant if overflow does not change.
410 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
412         * doc/c-tree.texi (Expression trees): Improve markup.
413         * doc/tm.texi (Register Classes, Addressing Modes)
414         (Floating Point): Fix spacing after abbreviations.  Fix some
415         typos.
417 2007-02-01  Ben Elliston  <bje@au.ibm.com>
419         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
420         * doc/contrib.texi: Likewise.
421         * doc/install.texi: Likewise.
423 2007-01-31  Richard Henderson  <rth@redhat.com>
424             Ian Lance Taylor  <iant@google.com>
426         * lower-subreg.c: New file.
427         * rtl.def (CONCATN): Define.
428         * passes.c (init_optimization_passes): Add pass_lower_subreg and
429         pass_lower_subreg2.
430         * emit-rtl.c (update_reg_offset): New static function, broken out
431         of gen_rtx_REG_offset.
432         (gen_rtx_REG_offset): Call update_reg_offset.
433         (gen_reg_rtx_offset): New function.
434         * regclass.c: Revert patch of 2006-03-05, restoring
435         reg_scan_update.
436         (clear_reg_info_regno): New function.
437         * dwarf2out.c (concatn_loc_descriptor): New static function.
438         (loc_descriptor): Handle CONCATN.
439         * common.opt (fsplit_wide_types): New option.
440         * opts.c (decode_options): Set flag_split_wide_types when
441         optimizing.
442         * timevar.def (TV_LOWER_SUBREG): Define.
443         * rtl.h (gen_reg_rtx_offset): Declare.
444         (reg_scan_update): Declare.
445         * regs.h (clear_reg_info_regno): Declare.
446         * tree-pass.h (pass_lower_subreg): Declare.
447         (pass_lower_subreg2): Declare.
448         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
449         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
450         -fsplit-wide-types.
451         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
452         * Makefile.in (OBJS-common): Add lower-subreg.o.
453         (lower-subreg.o): New target.
455 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
457         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
459 2007-01-31  Anatoly Sokolov <aesok@post.ru>
461         PR target/19087
462         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
464 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
466         PR middle-end/29335
467         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
469 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
471         * cfgloop.h: Include vec-prim.h.
472         (enum li_flags): Remove LI_ONLY_OLD.
473         (loop_iterator): Changed.
474         (fel_next, fel_init): Iterate over loop tree.
475         (FOR_EACH_LOOP_BREAK): New macro.
476         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
477         FOR_EACH_LOOP.
478         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
479         * modulo-sched.c (sms_schedule): Ditto.
480         * tree-vectorizer.c (vectorize_loops): Ditto.
481         * doc/loop.texi: Update information on loop numbering and behavior of
482         FOR_EACH_LOOP wrto new loops.
483         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
484         add_to_evolution_1): Test nestedness of loops instead of comparing
485         their numbers.
486         * tree-chrec.c (chrec_fold_plus_poly_poly,
487         chrec_fold_multiply_poly_poly, chrec_evaluate,
488         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
489         reset_evolution_in_loop): Ditto.
490         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
492 2007-01-31  Dirk Mueller  <dmueller@suse.de>
494         * c-common.c (warn_about_parentheses): Separate warning about
495         un-parenthized sequence of comparison operators from the one
496         which is supposed to warn about x <= y <= z.
498 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
500         * optabs.h (enum optab_index): Add new OTI_isinf.
501         (isinf_optab): Define corresponding macro.
502         * optabs.c (init_optabs): Initialize isinf_optab.
503         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
504         patterns.
505         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
506         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
507         using isinf_optab.
508         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
509         expand_builtin_interclass_mathfn.
510         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
511         * config/i386/i386.md (UNSPEC_FXAM): New constant.
512         (fxam<mode>2_i387): New insn pattern.
513         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
514         built-in functions as x87 inline asm.
516 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
518         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
520 2007-01-30  Eric Christopher  <echristo@apple.com>
522         * config.gcc: Add geode.
524 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
526         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
527         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
528         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
529         value-prof.c: Fix comment typos.
531 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
533         PR c++/24745
534         * doc/invoke.texi (Wpointer-arith): Document warning.
536 2007-01-30  Janis Johnson
538         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
539         the list of discrepancies from the draft TR.
541 2007-01-30  Dirk Mueller  <dmueller@suse.de>
543         PR c++/30601
544         * doc/invoke.texi (-Wreturn-type): Update description to
545         match new behavior.
547 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
549         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
551 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
553         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
554         to handle optabs that operate on floating point input argument and
555         output to integer output.
556         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
557         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
558         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
559         expand_builtin_interclass_mathfn ().
560         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
561         (ilogbsi2): Remove.
562         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
563         ilogbl built-in functions as x87 intrinsics.
565 2007-01-30  Richard Guenther  <rguenther@suse.de>
567         PR middle-end/27657
568         * dwarf2out.c (reference_to_unused): Query varpool if the
569         variable was output.
571 2007-01-30  Richard Guenther  <rguenther@suse.de>
573         PR middle-end/30313
574         * passes.c (execute_one_pass): Reset in_gimple_form to not
575         confuse non-unit-at-a-time mode.
577 2007-01-29  Roger Sayle  <roger@eyesopen.com>
578             Richard Guenther  <rguenther@suse.de>
580         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
581         avoid undefined behaviour on overflow.  Use force_fit_type_double
582         to construct the constant with the specified TREE_OVERFLOW.
584 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
586         * config/dfp-bit.c: Add parameterized support for fp exceptions.
587         * config/dfp-bit.h: Ditto.
589 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
591         * c-decl.c (pop_scope): Replace warnings with call to
592         warn_for_unused_label.
593         * c-common.h (warn_for_unused_label): Declare.
594         * c-common.c (warn_for_unused_label): Define.
596 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
598         * tree-optimize.c (update_inlined_to_pointers): Delete unused
599         function.
601 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
603         * Makefile.in (USER_H): Remove decfloat.h.
604         * ginclude/decfloat.h: Delete, moving contents to ...
605         * ginclude/float.h: Add support for decimal floating point,
606         guarded by __STDC_WANT_DEC_FP__.
608 2007-01-29  Mike Stump  <mrs@apple.com>
610         * doc/gccint.texi (Top): Rename Loop Representation to Loop
611         Analysis and Representation to resolve case insensitive conflict.
612         * doc/loop.texi (Loop Analysis and Representation): Likewise.
614 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
616         * tree.h (struct tree_memory_tag): Add aliases member.
617         (MTAG_ALIASES): New macro.
618         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
619         (add_may_alias): Remove pointer-set. Update for may_aliases being
620         a bitmap.
621         (mark_aliases_call_clobbered): Update for may_aliases being a
622         bitmap.
623         (compute_tag_properties): Ditto.
624         (create_partition_for): Ditto.
625         (compute_memory_partitions): Ditto.
626         (dump_may_aliases_for): Ditto.
627         (is_aliased_with): Ditto.
628         (add_may_alias_for_new_tag): Ditto.
629         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
630         (compute_is_aliased): New function.
631         (compute_may_aliases): Call compute_is_aliased).
632         (init_alias_info): Initialize alias_bitmap_obstack.
633         (union_alias_set_into): New function.
634         (compute_flow_sensitive_aliasing): Use union_aliases_into.
635         (have_common_aliases_p): Rewrite to take two bitmaps and use
636         intersection.
637         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
638         Update for bitmaps.
639         (finalize_ref_all_pointers): Update for add_may_alias changes.
640         (new_type_alias): Ditto.
641         * tree-flow-inline.h (may_aliases): Return a bitmap.
642         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
643         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
644         may_aliases being a bitmap.
645         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
646         may_aliases now returns a bitmap.
647         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
648         being a bitmap.
649         * tree-ssa-operands.c (add_virtual_operand): Update for
650         may_aliases being a bitmap.
652 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
654         PR tree-optimization/30630
655         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
656         variable as changed.
658 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
660         PR c++/28266
661         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
662         expanded only once even if an error occurs.
664 2007-01-29  Ben Elliston  <bje@au.ibm.com>
666         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
667         (__gcov_average_profiler): Likewise.
668         (__gcov_ior_profiler): Likewise.
669         (__gcov_merge_ior): Likewise.
671 2007-01-28  Jan Hubicka  <jh@suse.cz>
673         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
674         * value-prof.c (stringop_block_profile): Likewise.
676 2007-01-28  Jan Hubicka  <jh@suse.cz>
678         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
679         variant handling histograms; add wrapper.
680         (clear_storage_via_libcall): Export.
681         (emit_block_move_hints): Break out from ...; add histograms.
682         (emit_block_move): ... this one.
683         (clear_storage_hints): Break out from ...; add histograms.
684         (clear_storage): ... this one.
685         (set_storage_via_memset): Handle histogram.
686         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
687         (clear_storage_hints, clear_storage_via_libcall): Declare.
688         (set_storage_via_setmem): Update prototype.
689         * doc/md.texi (movmem, setmem): Document new arguments.
691         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
692         new histograms.
693         (stringop_block_profile): New global function.
694         (tree_stringops_values_to_profile): Profile block size and alignment.
695         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
696         HIST_TYPE_IOR.
697         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
698         (stringop_block_profile): Declare.
699         * builtins.c: Include value-prof.h.
700         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
701         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
702         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
703         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
704         * profile.c (instrument_values): Add new counters.
705         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
706         calls.
707         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
708         (tree_init_edge_profiler): Build new profilers.
709         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
710         (pass_tree_profile): Add dump.
711         (tree_profile_hooks): Update.
712         * Makefile.in (LIBGCOV): Add new constants.
713         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
714         __gcov_ior_profiler): New.
715         * i386.md (movmem/setmem expanders): Add new optional arguments.
717 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
719         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
721 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
723         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
724         (tree_unswitch_single_loop): Pass eni_size_weights to
725         tree_num_loop_insns.
726         * tree-ssa-loop-manip.c: Include tree-inline.h.
727         (can_unroll_loop_p): Pass eni_size_weights to
728         tree_num_loop_insns.
729         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
730         Pass eni_size_weights to estimate_num_insns.
731         * tree.h (init_inline_once): Export.
732         * toplev.c (backend_init): Call init_inline_once.
733         * cgraphunit.c (cgraph_process_new_functions,
734         cgraph_analyze_function): Pass eni_inlining_weights to
735         estimate_num_insns.
736         * ipa-inline.c (compute_inline_parameters): Ditto.
737         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
738         to estimate_num_insns.
739         (try_unroll_loop_completely): Pass eni_size_weights to
740         tree_num_loop_insns.
741         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
742         ot estimate_num_insns.
743         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
744         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
745         * tree-inline.c (eni_inlining_weights, eni_size_weights,
746         eni_time_weights): New variables.
747         (init_inline_once): Initialize them.
748         (struct eni_data): Mew.
749         (estimate_num_insns_1, estimate_num_insns): Use weights.
750         * tree-inline.h (struct eni_weights_d): New.
751         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
752         (estimate_num_insns): Declaration changed.
753         * cfgloop.h (tree_num_loop_insns): Declaration changed.
754         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
755         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
757 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
759         * tree-data-ref.c (conflict_fn): Assert that the number of affine
760         relations in the conflict function is valid.
762 2007-01-27  Ian Lance Taylor  <iant@google.com>
764         * common.opt: Add fstrict-overflow.
765         * opts.c (decode_options): Set flag_strict_overflow if -O2.
766         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
767         (TYPE_OVERFLOW_UNDEFINED): Define.
768         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
769         Replace all uses.
770         * tree.h (TYPE_TRAP_SIGNED): Don't define.
771         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
772         (fold_negate_expr): Likewise.
773         (make_range): Likewise.
774         (extract_muldiv_1): Likewise.
775         (maybe_canonicalize_comparison): Likewise.
776         (fold_comparison): Likewise.
777         (fold_binary): Likewise.
778         (tree_expr_nonnegative_p): Likewise.
779         (tree_expr_nonzero_p): Likewise.
780         * tree-vrp.c (compare_values): Likewise.
781         (extract_range_from_binary_expr): Likewise.
782         (extract_range_from_unary_expr): Likewise.
783         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
784         Likewise.
785         (nowrap_type_p): Likewise.
786         * tree-scalar-evolution.c (simple_iv): Likewise.
787         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
788         (build_range_check): Likewise.
789         (extract_muldiv_1): Likewise.
790         (fold_comparison): Likewise.
791         * tree-vrp.c (vrp_int_const_binop): Likewise.
792         (extract_range_from_unary_expr): Likewise.
793         * convert.c (convert_to_integer): Likewise.
794         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
795         (fold_comparison): Likewise.
796         (fold_binary): Likewise.
797         * optabs.c (optab_for_tree_code): Likewise.
798         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
799         * simplify-rtx.c (simplify_const_relational_operation): Check
800         flag_strict_overflow and flag_trapv.
801         (simplify_const_relational_operation): Likewise.
802         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
803         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
804         -fstrict-overflow.
806 2007-01-27  Roger Sayle  <roger@eyesopen.com>
808         * tree.c (tree_fold_gcd): Delete.
809         * tree.h (tree_fold_gcd): Remove prototype.
810         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
811         test whether one constant integer is a multiple of another.  Instead
812         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
813         * fold-const.c (multiple_of_p):  We've determined both TOP and
814         BOTTOM are integer constants so we can call int_const_binop directly
815         instead of the more generic const_binop.
817 2007-01-27  Roger Sayle  <roger@eyesopen.com>
819         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
820         1*X check that the constant hasn't overflowed, to preserve the
821         TREE_OVERFLOW bit.
822         (round_up): Provide an efficient implementation when rouding-up an
823         INTEGER_CST to a power-of-two.
825 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
827         * doc/sourcebuild.texi: Add comma for clarity.
828         * doc/extend.texi: Fix some typos.
829         * doc/passes.texi: Likewise.
830         * doc/cppinternals.texi: Likewise.
831         * doc/c-tree.texi: Likewise.
832         * doc/tree-ssa.texi: Likewise.
833         * doc/install.texi: Likewise.
835 2007-01-27  Jan Hubicka  <jh@suse.cz>
837         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
838         (pass_sra): Do not require alias information.
839         * passes.c (init_optimization_passes): Add SRA
841 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
843         * tracer.c (rest_of_handle_tracer): We already cleaned
844         up the CFG in tracer() so don't do it here again.
845         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
846         cleanup_cfg here, either.  And don't call renumber_insns.
848         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
849         and BB_HEAD are in the insn stream here.  Instead make sure
850         that BB_INSN is valid on all insns.  Also, do check here that
851         there are no pending branch predictions...
852         (rtl_verify_flow_info): ...instead of doing it here.  Checks
853         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
854         here.
856 2007-01-26  Roger Sayle  <roger@eyesopen.com>
858         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
859         function to simplify/factorize operand order canonicalization.
860         (ix86_fixup_binary_operands): Reorganize using the above function.
861         (ix86_binary_operator_ok): Likewise.
863 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
865         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
866         file scope from optimize_attrs.
867         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
868         up search.
869         (optimize_attrs): Clear insn_code_values after freeing it.
871 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
873         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
874         a parts.base assignment.
876 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
878         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
879         (compute_subscript_distance, initialize_data_dependence_relation,
880         finalize_ddr_dependent, analyze_ziv_subscript,
881         analyze_siv_subscript_cst_affine,
882         compute_overlap_steps_for_affine_univar,
883         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
884         analyze_siv_subscript, analyze_miv_subscript,
885         analyze_overlapping_iterations, subscript_dependence_tester_1,
886         compute_self_dependence, free_dependence_relation): Work
887         with affine_fn instead of chrecs.
888         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
889         common_affine_function, affine_function_base,
890         affine_function_constant_p, affine_fn_op, affine_fn_plus,
891         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
892         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
893         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
894         (all_chrecs_equal_p): Removed.
895         * tree-data-ref.h (affine_fn, conflict_function): New types.
896         (struct subscript): Change type of conflicting_iterations_in_a
897         and conflicting_iterations_in_b.
899 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
901         PR other/30182
902         * config/pa/pa.h (TARGET_HPUX_11): New.
903         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
904         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
906 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
907         Richard Guenther  <rguenther@suse.de>
909         * tree-ssa-structalias.c (solve_graph): Handle case
910         we merged the variable to another.
912 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
914         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
915         functions.
917         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
918         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
920 2007-01-25  DJ Delorie  <dj@redhat.com>
922         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
923         allow changes to modes which don't fit in those registers.
925         * reload1.c (choose_reload_regs): Check for invalid subregs before
926         computing their locations, not after.
928 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
930         PR 25127
931         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
932         save Altivec registers in an eh_return function.
933         (compute_vrsave_mask): Likewise.
934         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
935         for saving Altivec registers.
936         (rs6000_emit_prologue): Don't allocate stack twice in
937         eh_return function.  Correct expected value of altivec_save_offset
938         when using save_world.  Describe save of R0 to stack when using
939         save_world.  Describe stack pointer adjustment when using
940         save_world.  Remove duplicated eh_return parameter register saving.
941         Update sp_offset variable after save_world.
942         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
943         darwin-world.asm.
944         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
945         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
946         implies Altivec.
948 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
950         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
952 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
954         PR other/30182
955         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
956         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
958 2007-01-25  Richard Guenther  <rguenther@suse.de>
960         * doc/invoke.texi (-Wcoverage-mismatch): Document.
961         * common.opt (-Wcoverage-mismatch): New warning option.
962         * coverage.c (get_coverage_counts): Ignore coverage mismatch
963         if -Wcoverage-mismatch is given.
965 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
967         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
968         (ipcp_driver): Change to static definition.
969         Add dumping of the ifunctions.
970         (constant_val_insert): Remove unused parameter. Support for SSA.
971         (ipcp_propagate_const): Support for SSA.
972         (ipcp_profile_bb_print): Print only analyzed nodes.
973         (ipcp_replace_map_create): Remove support for Fortran constant
974         for now.
975         * ipa-prop.c (ipa_method_modify_stmt,
976         ipa_callsite_compute_param): Support for SSA.
977         * ipa-prop.h (ipcp_driver): Remove declaration.
978         (IS_VALID_TREE_MAP_INDEX): Add define.
980 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
982         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
984 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
986         PR middle-end/30447
987         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
988         constant argument to cabs and do it without checking for
989         -funsafe-math-optimizations.
991 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
993         * c-common.h (RID_FIRST_CXX0X): New.
994         (RID_LAST_CXX0X): New.
995         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
996         by -Wall.
997         * c.opt (Wc++0x-compat): New.
998         * doc/invoke.texi (-Wc++0x-compat): Document.
1000 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1002         * builtins.c (fold_builtin_carg): New.
1003         (fold_builtin_1): Use it.
1005 2007-01-24  Jan Hubicka  <jh@suse.cz>
1007         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
1009         * ipa-inline.c (initial_insns, max_insns): Delete.
1010         (compute_max_insns): New function.
1011         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
1012         of insns as base for code growth.
1013         (cgraph_decide_inlining): Make initial_insns local; do not compute
1014         max_insns.
1015         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
1016         * doc/invoke.texi (inline-unit-growth): Update docs.
1018 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
1020         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
1021         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
1022         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
1023         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
1024         for CPUs that have PTA_CX16 set.
1026         PR middle-end/27416
1027         * gimplify.c (omp_check_private): New function.
1028         (gimplify_scan_omp_clauses): Use it for
1029         firstprivate/lastprivate/reduction.
1031         PR middle-end/30494
1032         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
1033         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
1035         PR middle-end/30421
1036         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
1037         If lower_lastprivate_clauses emits some statements, append them
1038         to dlist rather than body_p and to body_p append an initializer.
1039         (lower_omp_for): Adjust caller.
1041 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
1043         * target.h (globalize_decl_name): New.
1044         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
1045         * output.h (default_globalize_decl_name): New.
1046         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
1047         globalize_label.
1048         (globalize_decl): Ditto.
1049         (default_globalize_decl_name): New.
1050         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
1051         (ia64_handle_version_id_attribute): New.
1052         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
1053         (ia64_asm_output_external): Use globalize_decl_name instead
1054         of globalize_label.
1055         * doc/extend.texi (version_id): New pragma.
1056         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
1058 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1060         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
1061         _uleb128_t and _Unwind_SWord with _sleb128_t.
1062         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
1063         uw_frame_state_for, uw_update_context_1): Likewise.
1064         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
1065         * unwind-pe.h (read_uleb128, read_sleb128,
1066         read_encoded_value_with_base): Likewise.
1067         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
1069 2007-01-24  Richard Guenther  <rguenther@suse.de>
1071         * builtins.c (expand_builtin_cexpi): Get the fndecl
1072         for cexp in the correct way.
1074 2007-01-24  Jan Hubicka  <jh@suse.cz>
1076         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
1078 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1080         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
1081         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
1082         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
1083         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
1084         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
1085         __SIZEOF_PTRDIFF_T__.
1086         * doc/cpp.texi: Documentation for the new builtin macros added.
1088 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
1090         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
1091         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
1092         instead of operands[2] to avoid access past the end of array.
1094 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
1096         * reload1.c (emit_reload_insns): Pass the reload register
1097         for a non-spill output reload through forget_old_reloads_1.
1099 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
1101         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1102         _SOFT_DOUBLE if doubles use software floating-point.
1103         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
1104         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
1105         * config/rs6000/darwin-ldouble.c: Also compile functions for
1106         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
1107         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
1108         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
1109         commented-out long double override.
1110         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
1111         * config/rs6000/eabispe.h: Likewise.
1112         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
1113         long double for non-SPE.
1114         (rs6000_handle_option): Likewise.
1115         (invalid_e500_subreg): Disallow more subregs involding DImode,
1116         DFmode, TImode or TFmode.
1117         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
1118         E500 double.
1119         (legitimate_lo_sum_address_p): Also check for TFmode for E500
1120         double.
1121         (rs6000_legitimize_address): Also handle TFmode for E500 double.
1122         (rs6000_legitimize_reload_address): Also handle TFmode for E500
1123         double.
1124         (rs6000_legitimate_address): Also check for TFmode for E500
1125         double.
1126         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
1127         (spe_build_register_parallel): Handle TFmode and TCmode.
1128         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
1129         double.
1130         (function_arg): Handle TFmode and TCmode for E500 double.
1131         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
1132         in general.
1133         (print_operand): Handle TFmode and TImode for %y.
1134         (rs6000_generate_compare): Handle TFmode comparisons for E500
1135         double.
1136         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
1137         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
1138         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
1139         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
1140         TFmode for E500 double.
1141         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
1142         (floatsidf2): Enable for E500 double.
1143         (movtf_softfloat): Use rs6000_nonimmediate_operand.
1144         (extenddftf2): Change to extenddftf2_fprs.
1145         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
1146         depending on TARGET_E500_DOUBLE.
1147         (extendsftf2): Enable for E500 double.
1148         (trunctfdf2): Enable for E500 double.
1149         (trunctfsf2): Change to trunctfsf2_fprs.
1150         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
1151         depending on TARGET_E500_DOUBLE.
1152         (floatsitf2): Enable for E500 double.
1153         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
1154         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
1155         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
1156         (negtf2): Change to negtf2_internal.
1157         (negtf2): New expander.
1158         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
1159         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
1160         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
1161         (movdi_internal32): Use rs6000_nonimmediate_operand.
1162         (unnamed splitter): Likewise.
1163         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
1164         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
1165         (SPE64TF, DITI): New mode macros.
1166         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
1167         modes.
1168         (frob_tf_ti): New.
1169         (frob_<mode>_di_2): New.
1170         (frob_tf_di_8_2): New.
1171         (frob_di_df): Change to frob_di_<mode>; allow more modes.
1172         (frob_ti_tf): New.
1173         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
1174         more modes.
1175         (frob_ti_<mode>_8_2): New.
1176         (frob_ti_tf_2): New.
1177         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
1178         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
1179         TFmode.
1180         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
1181         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
1182         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
1183         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
1184         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
1185         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
1186         tsttflt_gp): New.
1188 2007-01-23  Ian Lance Taylor  <iant@google.com>
1190         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
1191         insn-*.o first.
1192         (OBJS-archive): Reformat, alphabetize.
1193         (OBJS): Change out_object_file to OBJS-md.
1195 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
1197         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
1198         JUMP_P and CALL_P predicates where applicable.
1199         * config/i386/i386.c: Ditto.
1200         * config/i386/i386.md: Ditto.
1201         * config/i386/mmx.md: Ditto.
1202         * config/i386/predicates.md: Ditto.
1204 2007-01-22  Andreas Schwab  <schwab@suse.de>
1206         * config/m68k/m68k.h: Fix comment.
1208 2007-01-22  Jan Hubicka  <jh@suse.cz>
1210         * passes.c (init_optimization_passes): Do not rerun
1211         pass_early_warn_uninitialized.
1213 2007-01-22  Richard Guenther  <rguenther@suse.de>
1215         PR tree-optimization/30038
1216         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
1217         function.
1218         (execute_cse_sincos_1): Likewise.
1219         (execute_cse_sincos): Likewise.
1220         (gate_cse_sincos): Likewise.
1221         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
1222         the cexpi() canonicalization of sincos().
1223         * tree-pass.h (pass_cse_sincos): Declare.
1224         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
1226 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
1228         PR rtl-optimization/29329
1229         * combine.c (replaced_rhs_insn): Rename to i2mod.
1230         (replaced_rhs_value): Rename to i2mod_new_rhs.
1231         (i2mod_old_rhs): New global variable.
1232         (combine_instructions): Adjust for above change.  Save a copy of
1233         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
1234         note are substituted in the second instruction.
1235         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
1236         ditch the note if it pertains to the second eliminated register
1237         and this register is mentioned in i2mod_old_rhs.
1239         Revert:
1240         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
1242         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1243         the insn to which the note was originally attached.
1245 2007-01-21  Jan Hubicka  <jh@suse.cz>
1247         * ipa-inline.c (inlining_mode): Comment, move up.
1248         (cgraph_decide_inlining_incrementally): Do not perform inlining
1249         itself; fix handling of flattening of self recursive functions.
1250         (cgraph_find_cycles): Remove.
1251         (cgraph_flatten_node): Remove.
1252         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
1253         (try_inline): New function.
1254         (cgraph_early_inlining): Update call of
1255         cgraph_decide_inlining_incrementally.  Apply inlining here.
1256         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
1258 2007-01-21  Dirk Mueller  <dmueller@suse.de>
1260         PR bootstrap/30511
1261         * tree-vrp.c (check_array_bounds): do not warn
1262         about ADDR_EXPR's of ARRAY_REF's which are immediately
1263         used in binary expressions.
1265 2007-01-21  Ira Rosen  <irar@il.ibm.com>
1267         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
1268         read_write_dep and macros for its access.
1269         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
1270         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
1271         argument, call vect_check_interleaving for every independent pair of
1272         data-refs. Mark loads that access the same memory location as a store
1273         in the loop.
1274         (vect_check_dependences): Remove.
1275         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
1276         call, fix the call to vect_analyze_data_ref_dependence.
1277         (vect_analyze_data_ref_access): For statements that access the same
1278         data-ref, check that they are not stores; for loads, check that there
1279         is no store that access the same location.
1281 2007-01-20  Roger Sayle  <roger@eyesopen.com>
1282             Joseph Myers  <joseph@codesourcery.com>
1284         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
1285         (-fdump-rtl-stack): Likewise.
1286         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
1287         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
1288         (-mpt-fixed): Use @minus{} for minus sign.
1289         (Using Precompiled Headers): Fix under/overfull hbox.
1291 2007-01-20  Jan Hubicka  <jh@suse.cz>
1293         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
1294         place within annotation.
1296 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1298         * pa.c (output_move_double): Change array size of xoperands to 4.
1300 2007-01-20  Jan Hubicka  <jh@suse.cz>
1302         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
1303         as temporary.
1305 2007-01-19  Ian Lance Taylor  <iant@google.com>
1307         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
1308         constant to unsigned HOST_WIDE_INT before negating.
1310 2007-01-19  Ian Lance Taylor  <iant@google.com>
1312         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
1313         to unsigned.
1314         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
1315         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
1316         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
1317         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
1318         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
1319         (realloc_vdef, realloc_vuse): Change second parameter to
1320         unsigned.
1321         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
1322         fields to unsigned.
1323         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
1324         unsigned. Change x and lim locals to unsigned.
1325         (realloc_vdef, realloc_vuse): Change num_elem parameter to
1326         unsigned.
1327         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
1328         (copy_virtual_operands): Change i and n locals to unsigned.
1330 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1332         PR middle-end/29335
1333         * builtins.c (fold_builtin_1): Handle builtin fdim.
1335 2007-01-20  Jan Hubicka  <jh@suse.cz>
1337         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
1338         * tree-ssa-structalias.c (compute_points_to_sets): Do call
1339         init_alias_heapvars.
1340         (init_alias_heapvars): Initialize only when not already initialized.
1341         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
1343 2007-01-19  Roger Sayle  <roger@eyesopen.com>
1345         * common.opt (fsigned-zeros): New command line option.
1346         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
1347         of flag_unsafe_math_optimizations.
1348         * opts.c (set_fast_math_flags): The -ffast-math command line option
1349         implies -fno-signed-zeros.
1350         (fast_math_flags_set_p): Likewise.
1352         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
1353         the documentation of -ffast-math appropriately.  Wrap long lines.
1355 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
1357         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
1358         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
1360 2007-01-19  Tomas Bily  <tbily@suse.cz>
1362         * cgraphunit.c (cgraph_finalize_function): Updating of pid
1363         * tree-profile.c:
1364         (tree_init_ic_make_global_vars): New function
1365         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
1366         (tree_gen_ic_profiler): New function
1367         (tree_gen_ic_func_profiler): New function
1368         (tree_profiling): Added calling of tree_gen_ic_func_profiler
1369         (tree_profile_hooks): Added hook for indirec/virtual calls
1370         * value-prof.c (tree_find_values_to_profile): New case for
1371         indirect calls
1372         (tree_values_to_profile): Call for determining indirect/virtual
1373         counters
1374         (tree_indirect_call_to_profile): New function
1375         (tree_ic_transform): New function
1376         (tree_ic): New function
1377         (find_func_by_pid): New function
1378         (init_pid_map): New function
1379         (tree_value_profile_transformations): Added check for
1380         indirect/virtual call transformation
1381         * value-prof.h (enum hist_type): New counter type for
1382         indirect/virtual calls
1383         (profile_hooks): Added new hook for profiling indirect/virtual
1384         calls
1385         * profile.c (instrument_values): New case for indirect/virtual
1386         call added
1387         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
1388         (GCOV_COUNTER_V_INDIR): New counter type
1389         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
1390         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
1391         call added
1392         * cgraph.c: Definition of cgraph_max_pid
1393         (cgraph_create_node): Default init of pid attribute
1394         * cgraph.h: Declaration of cgraph_max_pid
1395         (struct cgraph_node): Added pid attribute
1396         * libgcov.c (__gcov_indirect_call_profiler): New function
1397         (__gcov_one_value_profiler_body): New function
1398         (__gcov_one_value_profiler): Body was moved to
1399         __gcov_one_value_profiler_body and calls it
1401 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
1403         * doc/gty.texi (Options): Document the mark_hook option to GTY.
1404         * gengtype.c (write_types_data, write_func_for_structure,
1405         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
1406         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
1407         (walk_type, write_func_for_structure): Generate the mark_hook if
1408         needed.
1410 2007-01-19  Jan Hubicka  <jh@suse.cz>
1412         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
1413         'early' argument take inlining mode argument specifying whether to
1414         inline for size/speeed or all functions; add support for flattening;
1415         improve dumpting.
1416         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
1418 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1420         PR c++/17947
1421         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
1422         the name of the declared identifier.
1424 2007-01-19  Dirk Mueller  <dmueller@suse.de>
1426         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
1427         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
1428         duplicate evaluation.
1430 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
1432         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
1433         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
1434         to XFMode, use acosxf2 and truncate result to requested mode.
1435         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
1436         (asin<mode>2): Similarly, with asin expanders.
1437         (*fscalexf4_i387): Rename from *fscalexf4.
1438         (expNcorexf3): New expander.
1439         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
1440         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
1441         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
1442         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
1443         patterns for SSE math.
1444         (exp10<mode>2): Similarly, with exp10 expanders.
1445         (exp2<mode>2): Similarly, with exp2 expanders.
1446         (expm1<mode>2): Similarly, with expm1 expanders.
1447         (ldexp<mode>3): Similarly, with ldexp expanders.
1448         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
1449         Use gen_truncxf<mode>2_i387_noop to truncate result.
1451 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1453         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
1454         for ColdFire targets.
1456 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
1457             Richard Sandiford  <richard@codesourcery.com>
1459         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
1460         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
1461         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
1462         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
1463         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
1464         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
1466 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1468         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
1469         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
1470         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
1471         (*adddi_dilshr32_cf): New pattern.
1472         (adddi3, subdi3): Remove first alternatives.
1474 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1476         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
1477         implemented using move.l, do not use its cc result for floating-point
1478         comparisons.
1480 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1482         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
1483         from accepting 's' constraints if flag_pic.
1485 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1487         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
1488         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
1489         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
1490         condition from TARGET_68881 to TARGET_HARD_FLOAT.
1492 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
1494         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
1495         ColdFire alternatives.
1496         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
1497         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
1498         architectures that support ff1 instruction.
1500 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1501             Julian Brown  <julian@codesourcery.com>
1503         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
1504         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
1505         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
1506         Add commentary.
1508 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
1510         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
1511         and return a bool.
1512         (output_move_const_into_data_reg, output_move_simode_const): Delete.
1513         * config/m68k/m68k.c (const_method, const_int_cost): Take a
1514         HOST_WIDE_INT instead of an rtx.
1515         (m68k_rtx_costs): Update call accordingly.
1516         (output_move_const_into_data_reg): Likewise.  Fix formatting.
1517         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
1518         Return a bool.
1519         (output_move_simode_const): Update calls after above changes.
1520         Rework to use automatic variables and predicates like MEM_P.
1521         * config/m68k/m68k.md (pushexthisi_const): Update call to
1522         valid_mov3q_const.
1524 2007-01-19  Dirk Mueller  <dmueller@suse.de>
1526         * tree-ssa-alias.c (perform_var_substitution): Fix typo
1527         in dump_flags test.
1529 2007-01-19  Richard Guenther  <rguenther@suse.de>
1531         * builtins.c (expand_builtin_cexpi): Fall back to expanding
1532         via cexp in case sincos is not available.
1534 2007-01-19  Richard Guenther  <rguenther@suse.de>
1536         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
1537         * defaults.h (TARGET_HAS_SINCOS): Default to off.
1538         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
1539         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
1540         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
1541         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
1542         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
1543         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
1545 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
1547         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
1548         New insn patterns.
1549         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
1550         (atan2xf3): Directly generate RTL pattern.
1551         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
1552         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
1553         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
1554         disable patterns for SSE math.
1555         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
1556         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
1557         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
1558         disable patterns for SSE math.
1560 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
1562         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
1564 2007-01-18  Roger Sayle  <roger@eyesopen.com>
1566         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
1567         VIEW_CONVERT_EXPR to the same type as it's operand.
1569 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
1571         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
1572         configured for long double 128.
1574 2007-01-18  Mike Stump  <mrs@apple.com>
1576         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
1577         error.
1579 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
1581         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
1582         type correct.
1584 2007-01-18  Jan Hubicka  <jh@suse.cz>
1586         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
1587         greater than NUM_VOP_FREE_BUCKETS.
1589 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
1591         * tree-ssa-structalias.c: Update comments.
1592         (ptabitmap_obstack): Removed.
1593         (pta_obstack): New.
1594         (oldpta_obstack): Ditto.
1595         (stats): Add a few members.
1596         (struct variable_info): Remove node, complex, address_taken, and
1597         indirect_target members. Add oldsolution member.
1598         (new_var_info): Do not initialize removed members.
1599         (constraint_expr_type): Remove INCLUDES.
1600         (constraint_graph): Add size, implicit_preds, rep,
1601         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
1602         (FIRST_REF_NODE): New macro.
1603         (LAST_REF_NODE): Ditto.
1604         (FIRST_ADDR_NODE): Ditto.
1605         (find): New function.
1606         (unite): Ditto.
1607         (dump_constraint): Do not handle INCLUDES.
1608         (insert_into_complex): Do not insert duplicate constraints.
1609         (condense_varmap_nodes): Renamed and rewritten into ...
1610         (merge_node_constraints): This. Also fix bug in handling of
1611         offseted copy constraints.
1612         (clear_edges_for_node): No longer need to deal with preds at all,
1613         or removing associated preds/succs.
1614         (merge_graph_nodes): Deal with indirect_cycles.
1615         Don't deal with predecessors.
1616         (add_implicit_graph_edge): New function.
1617         (add_pred_graph_edge): Ditto.
1618         (add_graph_edge): Don't deal with predecessors.
1619         (build_constraint_graph): Removed.
1620         (build_pred_graph): New function.
1621         (build_succ_graph): Ditto.
1622         (struct scc_info): Removed in_component. Added roots, dfs, and
1623         node_mapping. Remove visited_index, unification_queue.
1624         (scc_visit): Deal with union-find we do now.
1625         Deal with cycles with REF nodes.
1626         (collapse_nodes): Renamed and rewritten to ...
1627         (unify_nodes): This.
1628         (process_unification_queue): Removed.
1629         (topo_visit): Cleanup
1630         (do_da_constraint): Use find.
1631         (do_sd_constraint): Ditto.
1632         (do_ds_constraint): Ditto.
1633         (do_complex_constraint): Ditto.
1634         (init_scc_info): Update for removed and added members.
1635         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
1636         (find_indirect_cycles): This.
1637         (equivalence_class): New variable.
1638         (label_visit): New function.
1639         (perform_variable_substitution): Rewritten.
1640         (free_var_substitution_info): New function.
1641         (find_equivalent_node): Ditto.
1642         (move_complex_constraints): Ditto.
1643         (eliminate_indirect_cycles): Ditto.
1644         (solve_graph): Only propagate changed bits.
1645         Use indirect cycle elimination.
1646         Use find.
1647         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
1648         (tree_id_eq): Renamed to ...
1649         (tree_vi_eq): This. Update for member change
1650         (insert_id_for_tree): Renamed and rewritten to ...
1651         (insert_vi_for_tree): This.
1652         (lookup_id_for_tree): Renamed and rewritten to ...
1653         (lookup_vi_for_tree): This.
1654         (get_id_for_tree): Renamed and rewritten to ...
1655         (get_vi_for_tree): Ditto.
1656         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
1657         (process_constraint): Don't handle INCLUDES.
1658         Remove special ADDRESSOF case.
1659         (find_func_aliases): Rewrite to use vi functions instead of id
1660         ones.
1661         (create_function_info_for): Ditto.
1662         (create_variable_info_for): Ditto.
1663         (intra_create_variable_infos): Ditto.
1664         (merge_smts_into): Ditto.
1665         (find_what_p_points_to): Ditto.
1666         (init_base_vars): Ditto.
1667         (init_alias_vars): Ditto.
1668         (remove_preds_and_fake_succs): New function.
1669         (dump_sa_points_to_info): Dump new stats.
1670         (dump_solution_for_var): Use find.
1671         (set_used_smts): Fix formatting.
1672         (compute_points_to_sets): Updated for new functions.
1673         (ipa_pta_execute): Ditto.
1675 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
1676             Richard Sandiford  <richard@codesourcery.com>
1678         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
1679         parallels.
1680         * calls.c (expand_call): If the return value is a PARALLEL,
1681         extract its first member.
1682         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
1683         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
1684         use FUNCTION_EXTRA_EPILOGUE.
1685         (m68k_function_value): Return a PARALLEL if the return value
1686         is of a pointer type.
1687         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
1688         (FUNCTION_EXTRA_EPILOGUE): Remove.
1689         * config/m68k/m68k.md (D0_REG): New constant.
1691 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
1693         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
1694         output a NOP for empty epilogues.
1696 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1698         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
1699         before function.  Extend register save check to include all
1700         registers, not just integer ones.
1702 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
1704         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
1705         (m68k_use_return_insn): ...this.
1706         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
1707         * config/m68k/m68k.c (use_return_insn): Rename to...
1708         (m68k_use_return_insn): ...this.
1709         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
1710         of USE_RETURN_INSN.
1712 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1714         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
1715         nearest even, fix denormal rounding overflow.
1717 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1719         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
1720         f%$smove and f%$move.
1721         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
1722         (extendsfdf2_cf): Use fdmove instead of f%&move.
1723         (truncdfsf2_cf): Use fsmove instead of f%$smove.
1724         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
1726 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1728         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
1729         GPR<-GPR moves.
1731 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1733         * real.h (real_format): Add a canonical_nan_lsbs_set field.
1734         (coldfire_single_format): Declare.
1735         (coldfire_double_format): Likewise.
1736         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
1737         of qnan_msb_set to determine the lower bits of a canonical
1738         NaN significand.
1739         (encode_ieee_double): Likewise.
1740         (encode_ieee_quad): Likewise.
1741         (ieee_single_format): Initialize canonical_nan_lsbs_set.
1742         (mips_single_format): Likewise.
1743         (ieee_double_format): Likewise.
1744         (mips_double_format): Likewise.
1745         (ieee_extended_motorola_format): Likewise.
1746         (ieee_extended_intel_96_format): Likewise.
1747         (ieee_extended_intel_128_format): Likewise.
1748         (ieee_extended_intel_96_round_53_format): Likewise.
1749         (ibm_extended_format): Likewise.
1750         (mips_extended_format): Likewise.
1751         (ieee_quad_format): Likewise.
1752         (mips_quad_format): Likewise.
1753         (vax_f_format): Likewise.
1754         (vax_d_format): Likewise.
1755         (vax_g_format): Likewise.
1756         (i370_single_format): Likewise.
1757         (i370_double_format): Likewise.
1758         (decimal_single_format): Likewise.
1759         (decimal_double_format): Likewise.
1760         (decimal_quad_format): Likewise.
1761         (c4x_single_format): Likewise.
1762         (c4x_extended_format): Likewise.
1763         (real_internal_format): Likewise.
1764         (coldfire_single_format): New real_format.
1765         (coldfire_double_format): Likewise.
1766         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
1767         canonical_nan_lsbs_set.
1768         (pdp11_d_format): Likewise.
1769         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
1770         if TARGET_COLDFIRE_CPU.
1772 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1774         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
1775         (output_call, m68k_legitimize_call_address): Declare.
1776         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
1777         parenthesees.  Add support for a 'W' constraint.
1778         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
1779         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
1780         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
1781         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
1782         variables.
1783         (override_options): Initialize them.  Do not set flag_no_function_cse
1784         for TARGET_ID_SHARED_LIBRARY.
1785         (m68k_output_pic_call): Delete.
1786         (m68k_legitimize_call_address): New function.
1787         (print_operand): Remove the %o prefix.  Handle the %p prefix.
1788         (output_call): New function.
1789         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
1790         target address from the GOT if symbolic jumps are not allowed.
1791         * config/m68k/m68k.md (call, general_operand): Do not set
1792         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
1793         Merge separate flag_pic and !flag_pic define_insns into...
1794         (*call, *call_value): ...these new patterns.  Match the address
1795         rather than the containing MEM and require it to be a call_operand.
1796         Use output_call to generate the asm template.
1797         * config/m68k/predicates.md (const_call_operand): New predicate.
1798         (call_operand): Likewise.
1800 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1802         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
1803         (STACK_GROWS_DOWNWARD): Define to 1.
1804         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
1805         comments, emphasizing that these values are only defaults.
1806         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
1807         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
1809 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1811         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
1813 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
1814             Richard Sandiford  <richard@codesourcery.com>
1816         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
1817         (FP_REGNO_P): New macros.
1818         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
1819         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
1820         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
1821         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
1823 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1825         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1826         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
1827         to $tmake_file.
1828         * config/m68k/t-floatlib: New file, extracting common code from...
1829         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1830         * config/m68k/t-uclinux: Here.
1831         * config/m68k/fpgnulib.c: Do not compile extendeed precision
1832         routines on ColdFire targets.
1834 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
1836         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1837         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
1838         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
1839         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
1840         explicitly set MOTOROLA to 1.
1841         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
1843 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1844             Nathan Sidwell  <nathan@codesourcery.com>
1846         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
1847         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
1848         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
1849         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
1850         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
1851         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
1852         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
1853         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
1854         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
1855         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
1856         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
1857         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
1858         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
1859         (DBX_REGISTER_NUMBER): Delete.
1860         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
1861         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
1862         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
1864 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1866         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
1867         * config/flat.h: New file.
1868         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
1869         OBJECT_FORMAT_FLAT.
1870         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
1871         indirect references for -msep-data or -mid-shared-library.
1872         Do not use PC-relative code addresses either.
1873         * config/m68k/m68k.c (override_options): Restrict -fPIC error
1874         to -mpcrel.
1875         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
1876         for shared libraries and crt1.o for executables.  Use crti.o and
1877         crtbegin.o.
1878         (ENDFILE_SPEC): Use crtend.o and crtn.o.
1879         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
1880         Do not add -elf2flt or -shared-lib-id options here.
1881         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
1882         Pass -shared-lib-id if -mid-shared-library, taking the library
1883         identifier from -mshared-library-id if given, otherwise
1884         defaulting to 0.
1885         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
1886         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
1887         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
1888         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
1889         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
1890         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
1891         and crtend.o.
1892         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
1893         jump sequence for ISA A and ISA A+.
1894         (PICJUMP): Likewise.
1896 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1898         * config.gcc (m68k-*-uclinux*): Base the port on the common
1899         and m68k GNU/Linux files rather than on the generic ELF ones.
1900         * config/m68k/uclinux.h (TARGET_VERSION): Override.
1901         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1903 2007-01-18  Julian Brown  <julian@codesourcery.com>
1904             Richard Sandiford  <richard@codesourcery.com>
1906         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
1907         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
1908         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
1909         before redefining.
1910         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
1911         80 unconditionally.
1912         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
1914 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
1916         * doc/install.texi: Document m68k-uclinuxoldabi.
1917         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
1918         * config/m68k/uclinux-oldabi.h: New file, copied from
1919         config/m68k/uclinux.h.
1921 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
1923         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
1924         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
1925         (m32r_compute_frame_size): Use unsigned for regno.
1926         (m32r_reload_lr): Use gen_frame_mem.
1927         (pop): New.
1928         (m32r_output_function_epilogue): Don't output the function epilogue
1929         textually here.
1930         (m32r_expand_epilogue): New.
1931         (direct_return): Return false if the function has the interrupt
1932         attribute.
1933         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
1934         * config/m32r/m32r.md (epilogue): New expander.
1935         (return_lr, return_rte): New insns.
1936         (return): Make it expander.
1937         (return_normal): New expander.
1939 2007-01-18  Josh Conner  <jconner@apple.com>
1941         PR target/30485
1942         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
1943         support for UNLE, UNLT, UNGE, and UNGT.
1945 2007-01-18  Jan Hubicka  <jh@suse.cz>
1947         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
1948         * tree-tailcall (add_virtual_phis): Likewise.
1949         (optimize_tail_call): Return TODOs.
1950         (execute_tail_calls): Return TODOs.
1951         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
1952         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
1953         changed.
1954         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
1955         Cleanup cfg using TODO.
1956         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
1957         * passes.c (execute_function_todo): When cleanup did something, remove
1958         unused locals.
1959         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
1960         (make_edges): Don't cleanup_cfg.
1962 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
1964         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
1965         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
1966         operate on the top of stack.
1967         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
1968         register handling of instructions that output to the second
1969         stack slot.
1970         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
1971         (move_for_stack_reg): Special-case check for dead destination
1972         stack slot for constant load of 1.0 inside UNSPEC_TAN.
1974         * config/i386/i386.md (UNSPEC_TAN): New constant.
1975         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
1976         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
1977         to correctly model move of constant 1.0 to top stack slot.
1978         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
1979         (unnamed peephole2 pattern): Remove corresponding peephole2
1980         pattern that optimizes tan insn and loading of constant 1.0.
1981         (tanxf2): Use fptanxf4_i387.
1982         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
1983         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
1984         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
1985         disable patterns for SSE math.
1986         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
1987         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
1989 2007-01-18  Dirk Mueller  <dmueller@suse.de>
1990             Richard Guenther <rguenther@suse.de>
1992         PR diagnostic/8268
1993         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
1994         * common.opt (Warray-bounds): Add new warning option.
1995         * c-opts.c (c_common_handle_option): Define -Warray-bounds
1996         if -Wall is given.
1997         * Makefile.in: make tree-vrp.o depend on toplev.h
1998         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
1999         is enabled.
2000         (check_array_refs, check_array_bounds, check_array_ref): New.
2002 2007-01-18  Jan Hubicka  <jh@suse.cz>
2004         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
2005         (execute_ssa_ccp): Return flags conditionally.
2006         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
2007         changed.
2008         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
2010 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
2012         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
2013         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
2015         * Makefile.c (GTFILES): Add cfglayout.h.
2016         * gengtype.c (open_base_files): Likewise.
2017         * cfglayout.c (cfg_layout_function_footer,
2018         cfg_layout_function_header) Reindent to make gengtype happy.
2019         * cfglayout.h (cfg_layout_function_footer,
2020         cfg_layout_function_header): Add GTY(()) marker.
2022         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
2024 2007-01-18  Ben Elliston  <bje@au.ibm.com>
2026         * genautomata.c (write_automata): Include xstrerror output in the
2027         error message if writing the DFA description file fails.
2029 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
2031         * config/mips/mips-protos.h (mips_output_external): Make it
2032         return void.
2033         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
2034         * config/mips/mips.c (irix_output_external_libcall): Likewise.
2035         (extern_list): Likewise.
2036         (extern_head): Likewise.
2037         (TARGET_ASM_FILE_END): Likewise.
2038         (mips_file_end): Likewise.
2039         (mips_output_external): Rewritten.
2041 2007-01-18  Ben Elliston  <bje@au.ibm.com>
2043         * genpreds.c (write_insn_preds_c): Only write out the function
2044         body for regclass_for_constraint if we have register constraints.
2046 2007-01-17  Tom Tromey  <tromey@redhat.com>
2048         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
2049         * doc/install.texi (Testing): Use sourceware.org.
2050         (Binaries): Likewise.
2051         (Specific): Likewise.
2052         * doc/contrib.texi (Contributors): Use sourceware.org.
2054 2007-01-17  Anatoly Sokolov <aesok@post.ru>
2056         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
2057         (AVR_ENHANCED): Rename to ...
2058         (AVR_HAVE_MUL): ... new.
2059         (avr_enhanced_p): Rename to ...
2060         (avr_have_mul_p): ... new.
2061         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
2062         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
2063         * config/avr/avr.c (avr_enhanced_p): Rename to ...
2064         (avr_have_mul_p): ... new.
2065         (base_arch_s): Rename 'enhanced' to 'have_mul'.
2066         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
2067         'avr_enhanced_p' and 'enhanced'.
2068         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
2069         AVR_HAVE_MUL instead of AVR_ENHANCED.
2070         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
2071         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
2072         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
2073         instead of AVR_ENHANCED.
2074         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
2075         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
2076         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
2078 2007-01-17  Ian Lance Taylor  <iant@google.com>
2080         * vec.h (VEC_reserve_exact): Define.
2081         (vec_gc_p_reserve_exact): Declare.
2082         (vec_gc_o_reserve_exact): Declare.
2083         (vec_heap_p_reserve_exact): Declare.
2084         (vec_heap_o_reserve_exact): Declare.
2085         (VEC_OP (T,A,reserve_exact)): New static inline function, three
2086         versions.
2087         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
2088         negative parameter.
2089         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
2090         (VEC_OP (T,A,copy)) [all versions]: Likewise.
2091         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
2092         * vec.c (calculate_allocation): Add exact parameter.  Change all
2093         callers.
2094         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
2095         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
2096         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
2097         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
2098         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
2099         (vec_heap_p_reserve_exact): New function.
2100         (vec_heap_o_reserve_exact): New function.
2102 2007-01-17  Jan Hubicka  <jh@suse.cz>
2104         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
2106 2007-01-17  Eric Christopher  <echristo@apple.com>
2108         * config.gcc: Support core2 processor.
2110 2007-01-16  Jan Hubicka  <jh@suse.cz>
2112         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
2113         the names, just unlink the chain so we don't crash on dangling pointers
2114         to dead SSA names.
2116 2007-01-16  Jan Hubicka  <jh@suse.cz>
2118         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
2119         * tree-pass.h: Reorder to make IPA passes appear toegher.
2120         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
2121         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
2122         parameters, do not call early inliner.
2123         * ipa-inline.c: Update comments.  Include tree-flow.h
2124         (cgraph_decide_inlining): Do not compute inlining parameters.
2125         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
2126         be called with function context set up.
2127         (pass_ipa_inline): Remove unreachable functions before pass.
2128         (cgraph_early_inlining): Simplify assuming to be called from the
2129         PM as local pass.
2130         (pass_early_inline): New pass.
2131         (cgraph_gate_ipa_early_inlining): New gate.
2132         (pass_ipa_early_inline): Turn into simple wrapper.
2133         (compute_inline_parameters): New function.
2134         (gate_inline_passes): New gate.
2135         (pass_inline_parameters): New pass.
2136         (apply_inline): Move here from tree-optimize.c
2137         (pass_apply_inline): New pass.
2138         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
2139         transforming.
2140         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
2141         doing them by hand.
2142         (tree_function_versioning): Do not allocate dummy struct function.
2143         * tree-inline.h (optimize_inline_calls): Update prototype.
2144         * tree-optimize.c (execute_fixup_cfg): Export.
2145         (pass_fixup_cfg): Remove
2146         (tree_rest_of_compilation): Do not apply inlines.
2147         * tree-flow.h (execute_fixup_cfg): Declare.
2148         * Makefile.in (gt-passes.c): New.
2149         * passes.c: Include gt-passes.h
2150         (init_optimization_passes): New passes.
2151         (nnodes, order): New static vars.
2152         (do_per_function_toporder): New function.
2153         (execute_one_pass): Dump current pass here.
2154         (execute_ipa_pass_list): Don't dump current pass here.
2156 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
2158         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
2159         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
2161 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
2163         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
2164         (strong_alias): Define.
2165         (__gcc_qmul): Provide non-FMA for soft-float.
2166         (__gcc_qdiv): Same.
2167         (__gcc_qneg): New.
2168         (__gcc_qeq): New.
2169         (__gcc_qle): New.
2170         (__gcc_qge): New.
2171         (__gcc_qunord): New.
2172         (__gcc_stoq): New.
2173         (__gcc_dtoq): New.
2174         (__gcc_qtos): New.
2175         (__gcc_qtod): New.
2176         (__gcc_qtoi): New.
2177         (__gcc_qtou): New.
2178         (__gcc_itoq): New.
2179         (__gcc_utoq): New.
2180         (fmsub): New.
2181         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
2182         soft-float functions.
2183         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
2184         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
2185         about long double soft float.
2187 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
2188             Tehila Meyzels  <tehila@il.ibm.com>
2190         * tree-vectorizer.h (is_pattern_stmt_p): New.
2191         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
2192         formatting (tabs instead of spaces). Cleanup and clarify setting
2193         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
2194         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
2195         (vectorizable_type_demotion): Check that types are integral.
2196         (vectorizable_type_promotion): Likewise.
2197         (vectorizable_store): Fix typo.  Eliminate new-line at end of
2198         comments.
2200 2007-01-16  Jan Hubicka  <jh@suse.cz>
2202         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
2203         cgraph edges too.
2205 2007-01-15  Eric Christopher  <echristo@apple.com>
2207         * ifcvt.c: Include vec.h, vecprim.h.
2208         (check_cond_move_block): New argument regs.
2209         Reorganize. Add registers used to regs.
2210         (cond_move_process_if_block): Use regs set above as
2211         loop bounds.
2213 2007-01-15  Eric Christopher  <echristo@apple.com>
2215         * config/darwin.h: Update copyright.
2216         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
2217         (LINK_COMMAND_SPEC): Add -u.
2218         (LINK_SPEC): Fix umbrella for above.
2220 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
2222         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
2223         glibc CVS.
2225 2007-01-15  Tom Tromey  <tromey@redhat.com>
2227         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
2228         * doc/install.texi (Testing): Don't mention jacks.
2229         (Configuration): Document --enable-java-maintainer-mode.  Move
2230         --with-java-home to libgcj-specific section.  Document
2231         --with-ecj-jar.
2232         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
2234 2007-01-15  Jan Hubicka  <jh@suse.cz>
2236         * tree-ssa-dce.c (DCE_TODOs): New.
2237         (propagate_necessity): Return if something changed.
2238         (eliminate_unnecessary_stmts): Likewise.
2239         (perform_tree_ssa_dce): Return TODO flags when needed.
2240         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
2242 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
2244         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
2245         (fyl2x_extend<mode>xf3_i387): New insn pattern.
2246         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
2247         patterns using X87MODEF12 mode macro.  Extend operand 1
2248         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
2249         (log10<mode>2): Ditto.
2250         (log2<mode>2): Ditto.
2251         (log1p<mode>2): Ditto.
2252         (logb<mode>2): Ditto.
2253         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
2254         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
2255         (*fxtractxf3_i387): Rename from *fxtractxf3.
2256         (fxtract_extend<mode>xf3_i387): New insn pattern.
2257         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
2258         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
2259         and gen_fyl2xxf3_i387().
2261 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
2263         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
2264         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
2265         get_loop_exit_edges.  Changed return type to bool.
2266         * cfgloop.h (fix_loop_placement): Declaration removed.
2268 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
2270         * param.h (MIN_VECT_LOOP_BOUND): New.
2271         * params.def (MIN_VECT_LOOP_BOUND): New.
2272         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
2273         argument - minimum threshold for number of iterations.
2274         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
2275         argument to declaration.
2276         * tree-vect-analyze.c (vect_analyze_operations): Check value of
2277         MIN_VECT_LOOP_BOUND.
2278         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
2279         slpeel_tree_peel_loop_to_edge with additional argument.
2280         (vect_do_peeling_for_alignment): Likewise.
2281         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
2283 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
2285         PR target/30413
2286         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
2287         operands of size 1.
2289 2007-01-14  Jan Hubicka  <jh@suse.cz>
2291         * tree-dfa.c (remove_referenced_var): New function.
2292         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
2293         prune referenced vars list too.
2294         * tree-flow.h (remove_referenced_var): Declare.
2296 2007-01-14  Jan Hubicka  <jh@suse.cz>
2298         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
2299         separately.
2300         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
2301         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
2302         * except.h (verify_eh_throw_table_statements): Kill prototype.
2303         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
2304         into call exrepssions.
2305         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
2306         eh trhow verifier.
2307         * tree-cfg.c: Include pointer-set.h.
2308         (verify_node_sharing): Work on pointer set.
2309         (verify_eh_throw_stmt_node): New.
2310         (verify_stmts): Use pointers sets, verify throw_stmt.
2312 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
2314         * ipa-reference.c (analyze_function): Consider also addresses taken
2315         in phi nodes.
2317 2007-01-12  Roger Sayle  <roger@eyesopen.com>
2319         * c-typeck.c (null_pointer_constant_p): Replace use of
2320         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
2321         (build_c_cast): Likewise.
2323 2007-01-12  Roger Sayle  <roger@eyesopen.com>
2325         * tree.h (force_fit_type_double): Remove unused final argument.
2326         * c-common.c (constant_expression_warning): Replace use of
2327         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
2328         (convert_and_check): Likewise.
2329         (shorten_compare): Update call to force_fit_type_double.
2330         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
2331         * convert.c (convert_to_pointer): Update call to
2332         force_fit_type_double.
2333         * fold-const.c (force_fit_type_double): Remove overflowed_const
2334         argument.
2335         (int_const_binop, fold_convert_const_int_from_int,
2336         fold_convert_const_int_from_real, fold_div_compare,
2337         fold_sign_changed_comparison, fold_unary, fold_negate_const,
2338         fold_abs_const, fold_not_const): Remove the final argument from
2339         calls to force_fit_type_double.
2341 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2343         * configure.ac: Set insn to "nop" for spu-*-* also.
2344         * configure: Regenerate.
2346 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
2348         * builtins.def : Add BUILT_IN_FREE.
2350 2007-01-12  Jan Hubicka  <jh@suse.cz>
2352         PR tree-optimization/30443
2353         * tree-inline.c (tree_function_versioning): Do not optimize when
2354         cloning for inlining.
2356 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
2358         * doc/loop.texi: Document recording of loop exits.
2359         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
2360         (update_single_exits_after_duplication,
2361         update_single_exit_for_duplicated_loop,
2362         update_single_exit_for_duplicated_loops): Removed.
2363         (duplicate_loop_to_header_edge): Do not call
2364         update_single_exits_after_duplication and
2365         update_single_exit_for_duplicated_loops.
2366         (loop_version): Do not update single_exit information.
2367         (fix_loop_structure): Use record_loop_exits instead of
2368         mark_single_exit_loops.
2369         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
2370         the lists of loop exits.
2371         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
2372         split_edge, merge_blocks): Update the lists of loop exits.
2373         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
2374         loop_optimizer_init.
2375         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
2376         of mark_single_exit_loops.
2377         (loop_optimizer_finalize): Call release_recorded_exits.
2378         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
2379         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
2380         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
2381         update single exit information.
2382         * lambda-code.c (perfect_nestify): Ditto.
2383         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
2384         (mark_single_exit_loops): Removed.
2385         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
2386         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
2387         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
2388         functions.
2389         (get_loop_exit_edges, single_exit): Use recorded exit lists.
2390         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
2391         (verify_loop_structure): Verify consistency of the exit lists.
2392         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
2393         (set_single_exit): Removed.
2394         * cfgloop.h (struct loop_exit): New function.
2395         (struct loop): single_exit_ field replaced by exits field.
2396         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
2397         (struct loops): Added exits hash.
2398         (mark_single_exit_loops, set_single_exit): Declaration removed.
2399         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
2401 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2403         * doc/invoke.texi: Avoid use of @headitem.
2405 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2407         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
2409 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2411         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
2412         list of targets.
2414 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
2415             Richard Sandiford  <richard@codesourcery.com>
2417         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
2418         * config/m68k/m68k.opt: Resort options.
2419         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
2421 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
2422             Richard Sandiford  <richard@codesourcery.com>
2424         * doc/invoke.texi: Document the macros that are defined by
2425         m68k's -mtune and -mhard-float options.
2426         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
2427         (m68k_cpp_cpu_family): Likewise.
2428         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
2429         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
2430         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
2431         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
2432         (m68k_cpp_cpu_family): Likewise.
2434 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2436         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
2437         macros besides mc68000 as tuning macros.  Use a switch statement
2438         to set them and mcpu32.
2440 2007-01-12  Julian Brown  <julian@codesourcery.com>
2442         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
2443         (TARGET_68040_ONLY): Rename to...
2444         (TARGET_68040): ...this.
2445         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
2446         * config/m68k/m68k.md: Likewise.
2448 2007-01-12  Julian Brown  <julian@codesourcery.com>
2449             Nathan Sidwell  <nathan@codesourcery.com>
2450             Richard Sandiford  <richard@codesourcery.com>
2452         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
2453         the -mcpu= argument associated with the --with-cpu setting.
2454         Define M68K_DEFAULT_TUNE to the default -mtune= option,
2455         if different from the one implied by the -mcpu setting.
2456         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
2457         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
2458         * doc/invoke.texi: Mention ColdFire in the introduction to the
2459         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
2460         -mno-div and -mhard-float options.  Make -m68881 a synonym for
2461         -mhard-float.  Document the previously-undocumented -m5206e,
2462         -m528x, -m5307 and -m5407 options.  Tweak the existing option
2463         documentation for consistency.
2464         * doc/install.texi: Mention new --with-cpu arguments.
2465         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
2466         default CPU if neither -mcpu nor -march are specified.
2467         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
2468         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
2469         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
2470         using m68k_tune to decide between families that implement the
2471         same ISA.  Use m68k_tune to set __mcfv4e__.
2472         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
2473         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
2474         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
2475         (FL_ISA_C, FL_ISA_MMU): New macros.
2476         (MASK_COLDFIRE): Delete.
2477         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
2478         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
2479         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
2480         (TARGET_HARD_FLOAT): Do not define here.
2481         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
2482         (TUNE_68000): New macro.
2483         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
2484         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
2485         (TUNE_CFV2): Redefine in terms of m68k_tune.
2486         (uarch_type, target_device, fpu_type): New enums.
2487         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
2488         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
2489         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
2490         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
2491         (FL_FOR_isa_c): New macros.
2492         (m68k_isa): New enum.
2493         (m68k_target_selection): New structure.
2494         (all_devices, all_isas, all_microarchs): New tables.
2495         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
2496         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
2497         (MASK_ALL_CPU_BITS): Delete.
2498         (m68k_find_selection): New function.
2499         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
2500         Map the legacy target options to a combination of the new ones.
2501         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
2502         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
2503         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
2504         settings.
2505         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
2506         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
2507         properties.
2508         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
2509         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
2510         * config/m68k/m68k-devices.def: New file.
2512 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2513             Nathan Sidwell  <nathan@codesourcery.com>
2515         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
2516         (SUBTARGET_EXTRA_SPECS): New macros.
2517         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
2518         use %(asm_cpu_spec) instead.
2519         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
2520         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
2521         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
2522         (EXTRA_SPECS): Rename to...
2523         (SUBTARGET_EXTRA_SPECS): ...this.
2525 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
2526             Richard Sandiford  <richard@codesourcery.com>
2527             Julian Brown  <julian@codesourcery.com>
2529         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
2530         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
2531         to the configuration's default CPU.
2532         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
2533         Remove default masks.
2534         (m680[012]0-*-*): Set the default with_cpu to the first part of
2535         the target name.
2536         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
2537         (m68k*-*-linux): Extend the --with-cpu handling to...
2538         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
2539         and m68010.  Don't set target_cpu_default2.
2540         * doc/install.texi: Document --with-cpu for m68k.
2541         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
2542         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
2543         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
2544         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
2545         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
2546         (ASM_SPEC): Remove use of %(asm_cpu_default).
2547         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
2548         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
2549         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
2550         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
2551         __HAVE_FPU__ if TARGET_HARD_FLOAT.
2552         (TARGET_DEFAULT): Delete.
2553         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
2554         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
2555         (CPP_CPU_SPEC): Delete.
2556         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
2557         the appropriate string.
2558         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
2559         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
2560         (ASM_SPEC): Don't use %(asm_default_spec).
2561         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2562         TARGET_DEFAULT and add MASK_68881.
2563         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
2565 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2567         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
2568         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
2569         MASK_68010 alongside MASK_68020.
2570         * doc/invoke.texi: Document -m68010.
2571         * config/m68k/m68k.opt (m68010): New.
2572         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
2573         if TUNE_68010.
2574         (TUNE_68010): New macro.
2575         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
2576         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
2577         (M68K_CPU_m68332): Add MASK_68010.
2578         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
2579         fallback definition.
2580         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
2581         defines.
2582         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
2583         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
2584         to all entries that use MASK_68020.
2585         (output_move_simode_const, output_move_himode, output_move_qimode)
2586         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
2587         instead of TARGET_68020 to select clr behavior.  Remove comment
2588         about there being no TARGET_68010.
2589         * config/m68k/m68k.md: Likewise throughout.
2591 2007-01-12  Julian Brown  <julian@codesourcery.com>
2593         * config/m68k/m68k.h (TARGET_ISAB): New macro.
2594         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
2595         * config/m68k/m68k.md: Likewise.
2597 2007-01-12  Julian Brown  <julian@codesourcery.com>
2599         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
2600         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
2602 2007-01-12  Julian Brown  <julian@codesourcery.com>
2604         * config/m68k/m68k.h (TUNE_68040_60): New macro.
2605         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
2606         * config/m68k/m68k.md: Likewise.
2608 2007-01-12  Julian Brown  <julian@codesourcery.com>
2609             Richard Sandiford  <richard@codesourcery.com>
2611         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
2612         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
2613         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
2614         TARGET_CPU32.
2615         (TARGET_CPU32): Rename to...
2616         (TUNE_CPU32): ...this.
2617         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
2618         (TUNE_CFV2): New macros.
2619         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
2620         remove conditions that are implied by TARGET_68020.
2621         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
2622         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
2623         (m68k_output_function_epilogue): Likewise.
2624         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
2625         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
2626         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
2627         non-68000 timings.  Refactor multiplication and division costs.
2628         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
2629         TUNE_CPU32 instead of TARGET_CPU32.
2630         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
2631         and TUNE_68060 instead of TARGET_68060.
2632         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
2633         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
2634         TARGET_CPU32.
2635         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
2636         && !TARGET_COLDFIRE" to choose between moveq and clr.
2637         Likewise in the unnamed movsf pattern.
2638         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
2639         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
2640         ashiftrt pattern.
2642 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
2644         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
2645         of tabbing before backslashes.
2647 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2649         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
2650         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
2651         (ASM_OUTPUT_INTERNAL_LABEL): Define.
2653 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
2655         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
2656         find_interesting_uses_cond.
2657         (find_interesting_uses_cond): Use extract_cond_operands.
2658         (rewrite_use_compare): Use extract_cond_operands and
2659         force_gimple_operand_bsi.  Do not call update_stmt.
2660         (determine_use_iv_cost_condition): Use extract_cond_operands.
2661         Return cheaper of using original bound and changing the exit bound.
2663 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
2665         PR tree-optimization/29516
2666         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
2667         most_expensive_mult_to_index, addr_to_parts,
2668         create_mem_ref, maybe_fold_tmr): Make the type of
2669         fields of TARGET_MEM_REF sizetype.
2670         (move_fixed_address_to_symbol, move_pointer_to_base):
2671         New functions.
2672         * tree.def (TARGET_MEM_REF): Add comment on types of
2673         the operands.
2675 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
2677         * c-common.c (vector_types_convertible_p): Treat opaque types as
2678         always convertible if they have the same size, but not otherwise.
2680 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
2682         * ifcvt.c (struct noce_if_info): Add comments to the fields.
2683         Remove the b_unconditional field.
2684         (noce_try_sign_mask): Do not look at b_unconditional.
2685         (noce_process_if_block): Do not use merge_if_blocks.  Update
2686         the CFG here.  Do not set b_unconditional.
2687         (cond_move_process_if_block): Likewise.
2688         (find_cond_trap): Likewise.
2689         (check_cond_move_block): Require simple jump insns at the end
2690         of the basic block.
2692 2007-01-11  Jan Hubicka  <jh@suse.cz>
2694         PR tree-optimization/1046
2695         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
2696         when alias info is not ready.
2697         (pass_tail_recursion): Do not require aliasing.
2698         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
2699         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
2700         * tree-ssa-copy.c (pass_copy_prop): Likewise.
2701         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
2702         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
2703         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
2704         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
2705         before inlining.
2706         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
2707         When aliasing is not build, mark statement as volatile.
2709 2007-01-11  Tom Tromey  <tromey@redhat.com>
2711         PR preprocessor/15185, PR preprocessor/20989:
2712         * doc/cppopts.texi <-MT>: Update description of algorithm for
2713         computing default target.
2714         <-M, -MD>: Reword "basename" text.
2716 2007-01-11  Roger Sayle  <roger@eyesopen.com>
2718         * builtins.c (expand_builtin_pow, expand_builtin_powi,
2719         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
2720         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
2721         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
2722         fold_builtin_bswap, real_constp, fold_builtin_pow,
2723         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
2724         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
2725         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
2726         * convert.c (convert_to_pointer): Likewise.
2727         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
2728         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
2729         const_binop, fold_convert_const_int_from_int,
2730         fold_convert_const_int_from_real,
2731         fold_convert_const_real_from_real, sign_bit_p,
2732         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
2733         fold_sign_changed_comparison, fold_unary, fold_comparison,
2734         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
2735         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
2736         * print-tree.c (print_node_brief, print_node): Likewise.
2737         * stor-layout.c (place_field, layout_type): Likewise.
2738         * tree-chrec.c (keep_cast): Likewise.
2739         * tree.c (build_vector, build_real, build_real_from_int_cst,
2740         build_complex): Likewise.
2742 2007-01-11  Roger Sayle  <roger@eyesopen.com>
2744         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
2745         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
2747 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
2749         * configure.ac (strict1_warn): Rename to strict_warn.
2750         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
2751         cc_set_by_configure, quoted_cc_set_by_configure,
2752         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
2753         all_boot_languages, all_stagestuff): Remove.
2754         (target_list): Remove bootstrap targets.
2755         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
2756         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
2757         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
2758         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
2759         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
2760         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
2761         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
2762         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
2763         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
2764         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
2765         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
2766         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
2767         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
2768         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
2769         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
2770         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
2771         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
2772         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
2773         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
2774         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
2775         (mostlyclean): Adjust.
2776         (clean, distclean): Don't mention bootstrap stuff.
2777         * configure: Regenerate.
2778         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
2779         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
2780         treelang/config-lang.in (stagestuff): Remove.
2781         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
2782         stageprofile, stagefeedback, stagestuff): Remove mention.
2784 2007-01-11  Nick Clifton  <nickc@redhat.com>
2786         * config/mcore/predicates.md (mcore_general_movesrc_operand):
2787         Accept CONSTs.
2788         (mcore_general_movdst_operand): Do not accept CONST_INTs.
2789         (mcore_arith_K_S_operand): Run the test for the S constraint not
2790         the test for the M constraint.
2791         (mcore_addsub_operand): Do not accept integer values that are
2792         larger than 32 bits.
2793         * config/mcore/mcore.md: Remove unused constraints from split.
2794         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
2795         (addsi3): Likewise.
2796         (allocate_stack): Likewise.
2797         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
2798         operands to 32 bits.
2799         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
2800         INTVAL.
2801         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
2802         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
2803         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
2804         mcore_output_bclri, mcore_output_andn, output_inline_const,
2805         mcore_output_move, mcore_output_movedouble): Likewise.
2806         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
2807         (output_inline_const): Likewise.
2808         (output_inline_const): Fix format strings used in sprintf
2809         statements.
2810         * config/mcore/mcore-protos.h: Update prototypes for changed
2811         functions in mcore.c.
2812         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
2813         HOST_WIDE_INT and not int.
2814         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
2815         CONST_OK_FOR_N): Likewise.
2816         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
2817         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
2818         an INTVAL.
2820 2007-01-10  Jan Hubicka  <jh@suse.cz>
2822         * tree-vrp.c (remove_range_assertions): Release defs.
2823         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
2824         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
2826 2007-01-10  Paul Brook  <paul@codesourcery.com>
2828         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
2829         * config/arm/arm.md (mulsi3subsi): New insn.
2831 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
2833         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
2834         (tree_transform_and_unroll_loop): New.
2835         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
2836         Declare.
2838 2007-01-10  Robert Kennedy <jimbob@google.com>
2840         * fold-const.c (fold_comparison): Fold comparisons like (x *
2841         1000 < 0) to (x < 0).
2843 2007-01-10  Ian Lance Taylor  <iant@google.com>
2845         * tree-pretty-print.c (dump_generic_node): Print parentheses when
2846         operands have the same priority.
2848 2007-01-10  Tom Tromey  <tromey@redhat.com>
2850         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
2851         (fold_binary): Likewise.
2852         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
2853         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
2854         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
2855         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
2856         * langhooks.h (struct lang_hooks): Removed field
2857         'can_use_bit_fields_p'.
2859 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
2861         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
2863 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
2865         * function.c (get_last_funcdef_no): New function.
2866         * function.h (get_last_funcdef_no): Declare.
2867         * tree-inline.c (initialize_cfun): Add initialization.
2868         (tree_function_versioning): Cleanup.
2870 2007-01-10  Jan Hubicka  <jh@suse.cz>
2872         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
2873         PHIs.
2875 2007-01-10  Sa Liu  <saliu@de.ibm.com>
2876             Ben Elliston  <bje@au.ibm.com>
2878         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
2879         for SAVE_NONLOCAL and Pmode for any other save level.
2880         * spu-protos.h (spu_restore_stack_block): Declare.
2881         * spu.md (save_stack_block): Remove.
2882         (restore_stack_block): Call spu_restore_stack_block.
2883         * spu.c (spu_restore_stack_block): New function.
2884         (spu_expand_epilogue): Remove old comment.
2886 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
2888         PR tree-optimization/30322
2889         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
2890         (cand_value_at): Return the value as aff_tree.
2891         (may_eliminate_iv): Convert the bound from aff_tree to tree.
2892         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
2893         aff_combination_mult): New functions.
2894         (aff_combination_add): Use aff_combination_add_cst.
2895         (aff_combination_convert): Allow conversions to a wider type.
2896         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
2897         * tree-affine.h (aff_combination_mult): Declare.
2899 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
2901         * doc/tm.texi: Update documentation to reflect reality of exec
2902         and start file search behaviours. Update copyright year.
2903         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
2904         header file directories.
2906 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
2908         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
2909         (*cosxf2): Rename to cosxf2_i387.
2910         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
2911         using X87MODEF12 mode macro. Rename patterns to
2912         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
2913         for SSE math.
2914         (*cosdf2, *cossf2): Ditto.
2915         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
2916         to match extended input operands.
2917         (sincos<mode>3): New expander.
2918         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
2919         insn patterns and corresponding splitters.
2921 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
2923         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
2924         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
2926 2007-01-09  Nicolas Pitre  <nico@cam.org>
2928         PR target/30173
2929         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
2931 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
2933         * target.h (struct gcc_target): New field library_rtti_comdat.
2934         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
2935         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
2936         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
2937         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
2939 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
2941         * doc/invoke.texi (Optimize Options): Correct description of -O0.
2943 2007-01-08  Richard Guenther  <rguenther@suse.de>
2945         * tree.h (force_fit_type_double): Export.
2946         (force_fit_type): Remove.
2947         * fold-const.c (force_fit_type_double): New function.
2948         (force_fit_type): Remove.
2949         (int_const_binop): Use it.
2950         (fold_convert_const_int_from_int): Likewise.
2951         (fold_convert_const_int_from_real): Likewise.
2952         (fold_div_compare): Likewise.
2953         (fold_sign_changed_comparison): Likewise.
2954         (fold_unary): Likewise.
2955         (fold_negate_const): Likewise.
2956         (fold_abs_const): Likewise.
2957         (fold_not_const): Likewise.
2958         * c-common.c (shorten_compare): Use force_fit_type_double.
2959         * convert.c (convert_to_pointer): Likewise.
2961 2007-01-08  Richard Guenther  <rguenther@suse.de>
2963         * tree.h (build_int_cst_wide_type): Export.
2964         * tree.c (build_int_cst_wide_type): New function.
2965         (build_int_cst_wide): Fix comment.
2966         * builtins.c (fold_builtin_object_size): Use build_int_cst
2967         to build -1 or 0 of the correct type.  Use fit_double_type
2968         to check for overflow.
2969         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
2970         to build the mask.
2971         (decode_field_reference): Likewise.
2972         (all_ones_mask_p): Likewise.
2973         (native_interpret_int): Use build_int_cst_wide_type.
2974         (fold_binary): Use build_int_cst_type to build an all-ones
2975         value.
2976         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
2978 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
2980         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
2982 2007-01-09  Ben Elliston  <bje@au.ibm.com>
2984         * genautomata.c (STATS_OPTION): New option.
2985         (stats_flag): New flag.
2986         (gen_automata_option): Handle it.
2987         (initiate_automaton_gen): Ditto.
2988         (write_automata): Output statistics only if stats_flag is
2989         set. Likewise, output time statistics only if time_flag is set.
2990         * doc/md.texi (Processor pipeline description): Document new flag.
2992 2007-01-08  Richard Guenther  <rguenther@suse.de>
2994         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
2995         * tree.c (build_int_cst_type): Likewise.
2996         (size_in_bytes): Don't call force_fit_type on the result.
2997         (int_fits_type_p): Use fit_double_type.
2998         * fold-const.c (fit_double_type): New function.
2999         (force_fit_type): Use it.
3000         * tree.h (fit_double_type): Export.
3002 2007-01-08  Jan Hubicka  <jh@suse.cz>
3004         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
3005         * ipa.c (function_and_variable_visibility): Fix return type.
3007 2007-01-08  Richard Guenther  <rguenther@suse.de>
3009         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
3010         of offset to build the index.
3011         * tree-pretty-print.c (dump_generic_node): Don't build negated
3012         const just for printing.
3013         * c-pretty-print.c (pp_c_integer_constant): Likewise.
3014         * builtins.c (fold_builtin_int_roundingfn): Check if result
3015         fits the type by using force_fit_type and comparing the result.
3016         * predict.c (predict_loops): Use compare_tree_int for comparison.
3017         * tree.c (build_int_cst): Fall back to integer_type_node for
3018         NULL_TREE type.
3019         (build_int_cst_wide): Assert type is non-null.
3021 2007-01-08  Roberto Costa  <roberto.costa@st.com>
3023         * tree-vrp.c (extract_range_from_cond_expr): New.
3024         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
3025         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
3026         as expressions.
3027         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
3028         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
3029         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
3030         used as expressions.
3031         * tree-object-size.c (cond_expr_object_size): New.
3032         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
3034 2007-01-08  Jan Hubicka  <jh@suse.cz>
3036         * tree-ssa-forwprop.c (forward_propagate_into_cond,
3037         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
3038         statement.
3040 2007-01-08  Richard Guenther  <rguenther@suse.de>
3042         PR tree-optimization/23603
3043         * tree-vrp.c (set_value_range_to_truthvalue): New function.
3044         (extract_range_from_binary): Fall back to truthvalue instead of
3045         varying for TRUTH_*_EXPR.
3046         (extract_range_from_comparison): Fall back to truthvalue instead of
3047         varying.
3048         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
3049         if all visited PHI values were constant.
3051 2007-01-08  Jan Hubicka  <jh@suse.cz>
3053         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
3054         (cgraph_analyze_function): break out from ...
3055         (cgraph_finalize_compilation_unit): ... here.
3056         (cgraph_expand_function): Remove forgoten commented out line.
3057         (cgraph_optimize): Analyze functions.
3059 2007-01-08  Jan Hubicka  <jh@suse.cz>
3061         * tree-pas.h (TODO_remove_function): New flag.
3062         (TODO_update*): Renumber.
3063         (pass_ipa_increase_alignment,
3064         pass_ipa_function_and_variable_visibility): New passes.
3065         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
3066         (cgraph_function_and_variable_visibility): Move to ipa.c
3067         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
3068         cgraph_increase_alignment.
3069         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
3070         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
3071         calling tree-inline.
3072         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
3073         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
3074         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
3075         (gate_increase_alignment): New function.
3076         (pass_ipa_increase_alignment): New pass.
3077         * ipa.c: Inline tree-pass.h and timevar.h
3078         (function_and_variable_visibility): Move here from cgraphunit.c
3079         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
3080         * passes.c (init_optimization_passes): Add the two new passes.
3081         (execute_todo): Handle cgraph_remove_functions.
3083 2007-01-08  Nick Clifton  <nickc@redhat.com>
3085         * config/frv/predicates.md (reg_or_0_operand): Accept
3086         CONST_DOUBLEs.
3088 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
3090         * config/bfin/rtems.h, config/bfin/t-rtems: New.
3091         * config.gcc: Add bfin*-rtems*.
3093 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
3095         * c.opt: Add -flax-vector-conversions.
3096         * c-typeck.c (convert_for_assignment): Pass flag to
3097         vector_types_convertible_p to allow emission of note.
3098         (digest_init): Likewise.
3099         * c-opts.c: Handle -flax-vector-conversions.
3100         * c-common.c (flag_lax_vector_conversions): New.
3101         (vector_types_convertible_p): Unless -flax-vector conversions
3102         has been passed, disallow conversions between vectors with
3103         differing numbers of subparts and/or element types.  If such
3104         a conversion is disallowed, possibly emit a note on the first
3105         occasion only to inform the user of -flax-vector-conversions.
3106         The new last argument specifies this.
3107         * c-common.h (flag_lax_vector_conversions): New.
3108         (vector_types_convertible_p): Add extra argument.
3109         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
3110         char_type_node for V*QI type vectors.
3111         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
3112         Update to satisfy new typechecking rules.
3113         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
3114         C and C++ variants.
3115         * doc/invoke.texi (C Dialect Options): Document
3116         -flax-vector-conversions.
3118 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
3120         PR tree-optimization/29877
3121         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
3122         a register variable on the RHS to not be replaceable.
3124 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
3125         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
3126         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
3127         const_simm15, const_pow2, const_npow2): Added.
3128         * config/score/misc.md (insv, extv, extzv, movmemsi,
3129         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
3130         * config/score/score.c (score_address_cost, score_select_cc_mode):
3131         Added.
3132         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
3133         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
3134         Update score_print_operand.
3135         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
3136         Adjust register allocate order and update some macro define.
3137         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
3138         mdx_block_move_straight, mdx_block_move_loop_head,
3139         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
3140         mdx_block_move): Added.
3141         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
3142         mdp_limm): Updated and fix some bug and typo.
3143         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
3144         (movsf, movdf, doloop_end): Added.
3146 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
3148         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
3149         config/arm/thumb2.md: Fix comment typos.
3150         * doc/extend.texi: Fix a typo.
3152 2007-01-07  Eric Christopher  <echristo@apple.com>
3154         * configure.ac: Check for __stack_chk_fail for darwin.
3155         * configure: Regenerate.
3157 2007-01-07  Richard Guenther  <rguenther@suse.de>
3159         * tree-vrp.c (extract_range_from_assert): CSE calls to
3160         compare_values where possible.
3161         (extract_range_from_unary_expr): Likewise.
3163 2007-01-07  Anatoly Sokolov <aesok@post.ru>
3165         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
3166         * config/avr/avr.c (call_insn_operand): Delete function.
3167         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
3168         instead of register number. Use predicates.
3169         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
3170         call_insn_operand): Add.
3172 2007-01-06  Jan Hubicka  <jh@suse.cz>
3174         * tree-pass.h (pass_build_cgraph_edges): Declare.
3175         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
3176         (visited_nodes): Remove.
3177         (cgraph_create_edges): Move to cgraphbuild.c; rename to
3178         build_cgrpah_edges; make visited_nodes local.
3179         (cgraph_process_new_functions): DO not call initialize_inline_failed.
3180         (record_references_in_initializer): Move to cgraphbuild.c
3181         (initialize_inline_failed, rebuild_cgraph_edges,
3182         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
3183         (verify_cgraph_node): Make visited_nodes local.
3184         (cgraph_analyze_function): Do not call cgraph_create_edges and
3185         initialize_inline_failed.
3186         (cgraph_expand_function): Do not call cgraph_lower_function;
3187         assert that function is already lowered.
3188         * Makefile.in (cgraphbuild.o): New.
3189         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
3190         at the end of lowering passes.
3192 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
3194         * ifcvt.c (cond_move_convert_if_block): New function, code
3195         factored out from...
3196         (cond_move_process_if_block): ...here.  Call the new function
3197         on the THEN and ELSE blocks.
3198         (merge_if_block): Do not copy global_live_at_end, merge_blocks
3199         already takes care of this.
3201 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3203         PR c/19978
3204         * tree.h (TREE_OVERFLOW_P): New.
3205         * c-typeck.c (parser_build_unary_op): Warn only if result
3206         overflowed and operands did not.
3207         (parser_build_binary_op): Likewise.
3208         (convert_for_assignment): Remove redundant overflow_warning.
3209         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
3211 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3213         * c-typeck.c (store_init_value): Split over two lines to follow
3214         the GNU coding style.
3216 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
3218         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
3219         __GXX_EXPERIMENTAL_CXX0X__.
3220         * doc/cpp.texi: Same.
3222 2007-01-05  Richard Guenther  <rguenther@suse.de>
3224         PR middle-end/27826
3225         * tree.c (get_narrower): Do not construct COMPONENT_REFs
3226         with mismatched types.  Instead explicitly build a
3227         conversion NOP_EXPR.
3229 2007-01-05  Ian Lance Taylor  <iant@google.com>
3231         * c-common.c (decl_with_nonnull_addr_p): New function.
3232         (c_common_truthvalue_conversion): Call it.
3233         * c-typeck.c (build_binary_op): Likewise.
3234         * c-common.h (decl_with_nonnull_addr_p): Declare.
3236 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
3238         PR c/30360
3239         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
3240         denom against 0.0.
3242 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
3244         * doc/install.texi (Final install): Document the fact that
3245         the GNAT runtime should not be stripped.
3247 2007-01-04  Jan Hubicka  <jh@suse.cz>
3249         * tree-inline.c (fold_marked_statements): Update operand caches
3250         and EH after folding
3252 2007-01-04  Ian Lance Taylor  <iant@google.com>
3254         * c-common.c (check_function_nonnull): Whitespace fix.
3256 2007-01-04  Jan Hubicka  <jh@suse.cz>
3258         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
3259         comitted older version of patch.
3260         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
3261         function, celanup cfg and collect garbage.
3263 2007-01-04  Mike Stump  <mrs@apple.com>
3265         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
3266         (clean): Likewise.
3268 2007-01-04  Eric Christopher  <echristo@apple.com>
3270         * libgcc2.c (__bswapsi2): Use SItype.
3271         (__bswapdi2): Use DItype.
3272         * libgcc2.h: Update for above.
3274 2007-01-04  Paul Brook  <paul@codesourcery.com>
3276         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
3277         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
3278         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
3279         umulsidi3, umulsidi3adddi, smulsi3_highpart,
3280         umulsi3_highpart): Make conditional on !arm_arch6.
3281         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
3282         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
3283         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
3284         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
3285         umulsi3_highpart_v6): New insns.
3287 2007-01-04  Roger Sayle  <roger@eyesopen.com>
3289         * fold-const.c (fold_convert): When casting an expression to void,
3290         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
3291         have a type.  Instead of attempting to build a NOP_EXPR, return
3292         these "special" trees directly.
3294 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
3296         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
3297         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
3298         rs6000_cost->fp not 0 as adjustment for outer NEG.
3300 2007-01-04  Jan Hubicka  <jh@suse.cz>
3302         * cgraph.c (cgraph_release_function_body): New function.
3303         (cgraph_remove_node): Use it.
3304         * cgraph.h (cgraph_release_function_body): Declare.
3305         * cgraphunit.c (cgraph_expand_function): Use it.
3306         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
3307         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
3308         is initialized and while compilation of other function is running.
3309         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
3310         statement CFG annotations from here to ...
3311         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
3313 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
3315         * cfgloop.h (enum li_flags): Make the constants powers of two.
3317 2007-01-04  Jan Hubicka  <jh@suse.cz>
3319         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
3320         set.
3321         (fold_marked_statements): New function.
3322         (optimize_inline_calls, tree_function_versioning): Fold new statements.
3323         * tree-inline.h (copy_body_data): Add statements_to_fold.
3325 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
3327         * config.gcc: Mention libgcc/config.host.
3328         * Makefile.in: Update comments mentioning libgcc.
3329         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
3330         (all.cross, start.encap, rest.encap, rest.cross): Update
3331         dependencies for libgcc move.
3332         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
3333         (clean-target, clean-target-libgcc): Delete.
3334         (srcdirify, GCC_EXTRA_PARTS): New macros.
3335         (libgcc-support, libgcc.mvars): New rules.
3336         (distclean): Remove mention of mklibgcc.
3337         (install): Don't reference INSTALL_LIBGCC.
3338         (install-common): Don't reference EXTRA_PARTS.
3339         (install-libgcc, install-multilib): Delete rules.
3340         * mklibgcc.in: Delete file.
3341         * doc/configfiles.texi: Don't mention mklibgcc.
3343         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
3344         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
3345         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
3346         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
3347         (mklibgcc, ldblspecs): Likewise.
3349         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
3350         (posixpre.def): Use $(T).
3351         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
3352         (SHLIB_SRC, SHLIB_INSTALL): Delete.
3353         (SHLIB_LINK): Make dummy.
3354         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
3356         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
3358         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
3359         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
3360         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
3361         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
3363         * configure.ac (all_outputs): Remove mklibgcc.
3364         * configure: Regenerated.
3366 2007-01-03  Josh Conner  <jconner@apple.com>
3368         PR middle-end/29683
3369         * calls.c (compute_argument_addresses): Set stack and stack_slot
3370         for partial args, too.
3371         (store_one_arg): Use locate.size.constant for the size when
3372         generating a save_area.
3374 2007-01-03  Robert Kennedy <jimbob@google.com>
3376         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
3377         whose definitions are deleted due to basic block merging.
3379 2007-01-03  Paul Brook  <paul@codesourcery.com>
3381         PR target/16634
3382         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
3383         functions.
3384         (use_return_insn): Return 0 for Thumb interrupt functions.
3385         (print_multi_reg): Add rfe argument for IRQ returns.
3386         (arm_output_epilogue): Pop interrupt return address directly into PC.
3387         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
3389 2007-01-03  Paul Brook  <paul@codesourcery.com>
3391         Merge from sourcerygxx-4_1.
3392         * config/arm/thumb2.md: New file.
3393         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
3394         Thumb-2.
3395         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
3396         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
3397         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
3398         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
3399         tables.
3400         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
3401         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
3402         comptibility.
3403         * config/arm/ieee754-sf.S: Ditto.
3404         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
3405         (thumb1_base_register_rtx_p): ... to this.
3406         (thumb_index_register_rtx_p): Rename...
3407         (thumb1_index_register_rtx_p): ... to this.
3408         (thumb_output_function_prologue): Rename...
3409         (thumb1_output_function_prologue): ... to this.
3410         (thumb_legitimate_address_p): Rename...
3411         (thumb1_legitimate_address_p): ... to this.
3412         (thumb_rtx_costs): Rename...
3413         (thumb1_rtx_costs): ... to this.
3414         (thumb_compute_save_reg_mask): Rename...
3415         (thumb1_compute_save_reg_mask): ... to this.
3416         (thumb_final_prescan_insn): Rename...
3417         (thumb1_final_prescan_insn): ... to this.
3418         (thumb_expand_epilogue): Rename...
3419         (thumb1_expand_epilogue): ... to this.
3420         (arm_unwind_emit_stm): Rename...
3421         (arm_unwind_emit_sequence): ... to this.
3422         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
3423         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
3424         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
3425         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
3426         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
3427         thumb2_output_casesi): New functions.
3428         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
3429         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
3430         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
3431         THUMB2_WORK_REGS): Define.
3432         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
3433         arm_condexec_mask, arm_condexec_masklen)): New variables.
3434         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
3435         (arm_override_options): Check new CPU capabilities.
3436         Set new architecture flag variables.
3437         (arm_isr_value): Handle v7m interrupt functions.
3438         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
3439         Thumb-2.
3440         (const_ok_for_arm): Handle Thumb-2 constants.
3441         (arm_gen_constant): Ditto.  Use movw when available.
3442         (arm_function_ok_for_sibcall): Return false for v7m interrupt
3443         functions.
3444         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
3445         (thumb_find_work_register, arm_load_pic_register,
3446         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
3447         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
3448         print_multi_reg, output_mov_long_double_fpa_from_arm,
3449         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
3450         output_mov_double_fpa_from_arm, output_move_double,
3451         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
3452         output_return_instruction, arm_output_function_prologue,
3453         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
3454         arm_output_mi_thunk, thumb_set_return_address): Ditto.
3455         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
3456         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
3457         (arithmetic_instr, shift_op): Use arm_shift_nmem.
3458         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
3459         '!' and 'L'.
3460         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
3461         (thumb_expand_prologue): Use thumb_set_frame_pointer.
3462         (arm_file_start): Output directive for unified syntax.
3463         (arm_unwind_emit_set): Handle stack alignment instruction.
3464         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
3465         Add v6t2, v7, v7a, v7r and v7m.
3466         (RETLDM): Add Thumb-2 code.
3467         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
3468         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
3469         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
3470         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
3471         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
3472         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
3473         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
3474         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
3475         ADJUST_INSN_LENGTH): Define.
3476         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
3477         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
3478         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
3479         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
3480         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3481         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
3482         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
3483         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
3484         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
3485         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
3486         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
3487         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
3488         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
3489         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
3490         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
3491         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
3492         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
3493         cortex-m3.
3494         * config/arm/arm-tune.md: Regenerate.
3495         * config/arm/arm-protos.h: Update prototypes.
3496         * config/arm/vfp.md: Enable patterns for Thumb-2.
3497         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
3498         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
3499         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
3500         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
3501         * config/arm/libunwind.S: Add Thumb-2 code.
3502         * config/arm/constraints.md: Update include Thumb-2.
3503         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
3504         * config/arm/ieee754-df.S: Ditto.
3505         * config/arm/bpabi.S: Ditto.
3506         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
3507         * config/arm/predicates.md (low_register_operand,
3508         low_reg_or_int_operand, thumb_16bit_operator): New.
3509         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
3510         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
3511         * config/arm/t-arm-elf: Add armv7 multilib.
3512         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
3513         Include thumb2.md.
3514         (UNSPEC_STACK_ALIGN, ce_count): New.
3515         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
3516         arm_zero_extendsidi2, arm_zero_extendqidi2): New
3517         insns/expanders.
3518         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
3519         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
3520         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
3521         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
3522         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
3523         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
3524         insns.
3525         * doc/extend.texi: Document ARMv7-M interrupt functions.
3526         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
3528 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
3530         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
3531         (struct _Unwind_Context): Rename args_size to flags, remove
3532         signal_frame field, add a new args_size field and version field.
3533         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
3534         _Unwind_IsExtendedContext): New inline functions.
3535         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3536         Assume by_value array is only present if _Unwind_IsExtendedContext.
3537         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
3538         _Unwind_IsSignalFrame.
3539         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
3540         (uw_update_context_1): Use _Unwind_SetSignalFrame.
3541         (uw_init_context_1): Initialize context->flags to
3542         EXTENDED_CONTEXT_BIT.
3543         * config/rs6000/linux-unwind.h (frob_update_context): Use
3544         _Unwind_SetSignalFrame.
3546 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3548         PR middle-end/30353
3549         * gimplify.c (gimplify_modify_expr_complex_part): Move below
3550         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
3551         the value.
3553 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
3555         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
3556         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
3557         RET, AT_SP): Remove.
3558         * config/i386/i386.md (*sse_prologue_save_insn): Use return
3559         instead of RET.
3561         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
3562         * cfgbuild.c (find_basic_blocks): Likewise.
3563         * cfgrtl.c (rtl_create_basic_block): Likewise.
3564         * function.c (temp_slots_at_level): Likewise.
3565         * reg-stack.c (stack_regs_mentioned): Likewise.
3566         * regclass.c (allocate_reg_info): Likewise.
3567         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
3568         set_bb_for_stmt, move_block_to_fn): Likewise.
3569         * tree-complex.c (tree_lower_complex): Likewise.
3570         * vec.h (VEC_safe_grow_cleared): New.
3572         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
3574 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
3576         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
3577         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
3578         to loop_version.
3579         * cfgloopmanip.c (scale_loop_frequencies): Export.
3580         (loopify): Scale the frequencies by prescribed coefficients.
3581         (set_zero_probability): New function.
3582         (duplicate_loop_to_header_edge): Improve updating of frequencies.
3583         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
3584         and frequencies according to arguments.
3585         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
3586         correctly.
3587         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
3588         * modulo-sched.c (sms_schedule): Set probabilities for entering
3589         versioned loop correctly.
3590         * tree-vect-transform.c (vect_transform_loop): Ditto.
3591         * cfgloop.h (loopify, loop_version): Declaration changed.
3592         (scale_loop_frequencies): Declared.
3594 2007-01-02  Jan Hubicka  <jh@suse.cz>
3596         * cgraph.c: Include tree-flow.h
3597         (cgraph_add_new-function): Handle IPA_SSA mode; execute
3598         early_local_passes.
3599         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
3600         * tree-pass.h (pass_all_early_optimizations): Declare.
3601         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
3602         early_local_passes.
3603         (cgraph_analyze_function): Do early_local_passes.
3604         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
3605         Do not add referenced vars.
3606         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
3607         SSA form.
3608         (gate_all_early_local_passes): New gate.
3609         (pass_early_local_passes): Use new gate.
3610         (execute_early_local_optimizations): New functions.
3611         (gate_all_early_optimizations): New gate.
3612         (pass_all_early_optimizations): New pass.
3613         (execute_free_datastructures): Free SSA only when initialized.
3614         (gate_init_datastructures): Init only when optimizing.
3615         (tree_lowering_passes): Do early local passes when called late.
3616         * tree-profile.c (do_tree_profiling): Don't profile functions added
3617         late.
3618         (do_early_tree_profiling, pass_early_tree_profile): Kill.
3619         * tree-cfg.c (update_modified_stmts): Do not update when operands are
3620         not active.
3621         * passes.c (init_optimizations_passes): Reorder so we go into SSA
3622         during early_local_passes.
3623         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
3626 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
3628         * Makefile.in: Update copyright year.
3630 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
3632         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
3633         in $(lang_checks) and check-consistency targets.
3635 2007-01-02  Jan Hubicka  <jh@suse.cz>
3637         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
3638         Do not add referenced vars.
3639         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
3640         are not active.
3641         * passes.c (init_optimization_passes): Put mudflap_2 after
3642         free_datastructures.
3644 2007-01-02  Jan Hubicka  <jh@suse.cz>
3646         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
3647         Set NOTHROW flag on call statements proved to be nothrow.
3648         Update statement of local calls so new pure/const functions are
3649         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
3650         goto receivers.
3651         (tree_rest_of_compilation): Register hooks and initialize bitmap
3652         early. Do not set after_inlining flag.
3654 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
3656         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
3657         HOST_BITS_PER_LONGLONG
3659 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3661         PR c/19977
3662         * c-typeck.c (store_init_value): Don't emit pedantic overflow
3663         warning for non-static initializers.
3665 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
3667         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
3668         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
3669         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
3670         Always use set_unique_reg_note to add REG_EQUAL notes.
3672 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
3674         Revert:
3675         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
3677         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
3678         * cfgbuild.c (find_basic_blocks): Likewise.
3679         * cfgrtl.c (rtl_create_basic_block): Likewise.
3680         * function.c (temp_slots_at_level): Likewise.
3681         * reg-stack.c (stack_regs_mentioned): Likewise.
3682         * regclass.c (allocate_reg_info): Likewise.
3683         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
3684         set_bb_for_stmt, move_block_to_fn): Likewise.
3685         * tree-complex.c (tree_lower_complex): Likewise.
3686         * vec.h (VEC_safe_grow_cleared): New.
3688 2007-01-02  Ian Lance Taylor  <iant@google.com>
3690         * c-common.c (c_common_truthvalue_conversion): When warning about
3691         using an assignment as a truth value, set TREE_NO_WARNING.
3693 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3695         PR middle-end/7651
3696         * c.opt (Wold-style-declaration): New.
3697         * doc/invoke.texi (C-only Warning Options): New.
3698         (Wold-style-declaration): Document it.
3699         (Wextra): Enabled by -Wextra.
3700         * c-opts.c (c_common_post_options): Enabled by -Wextra.
3701         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
3702         -Wold-style-declaration.
3704 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
3706         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
3707         * cfgbuild.c (find_basic_blocks): Likewise.
3708         * cfgrtl.c (rtl_create_basic_block): Likewise.
3709         * function.c (temp_slots_at_level): Likewise.
3710         * reg-stack.c (stack_regs_mentioned): Likewise.
3711         * regclass.c (allocate_reg_info): Likewise.
3712         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
3713         set_bb_for_stmt, move_block_to_fn): Likewise.
3714         * tree-complex.c (tree_lower_complex): Likewise.
3715         * vec.h (VEC_safe_grow_cleared): New.
3717 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
3719         * c-common.c (c_common_nodes_and_builtins): Since variants of
3720         void_type_node get built before it is given a name, we need to
3721         give those variants the name, too.
3722         (complete_array_type): We need to work with the canonical main
3723         type of the array, from which we will build the qualified version.
3724         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
3725         * print-tree.c (print_node): Display canonical type information
3726         for each type.
3727         * stor-layout.c (layout_type): When we don't know the
3728         alignment of a type for which we're building an array, we end up
3729         guessing wrong, so make the type require structural equality.
3730         * tree.c (make_node_stat): When we build a new type, it is its
3731         own canonical type.
3732         (build_type_attribute_qual_variant): When building an attribute
3733         variant, its canonical type is the non-attribute variant. However,
3734         if the attributes are target-dependent and they differ, we need to
3735         use structural equality checks for this type.
3736         (build_qualified_type): A qualified type is not equivalent to its
3737         unqualified variant; set the canonical type appropriately.
3738         (build_distinct_type_copy): When building a distinct type from
3739         another type, the new type is its own canonical type.
3740         (build_variant_type_copy): When building a new type variant, we
3741         assume that it is equivalent to the original type.
3742         (build_pointer_type_for_mode): When building a pointer type, also
3743         build a canonical type pointer.
3744         (build_reference_type_for_mode): When building a reference type,
3745         also build a canonical type reference.
3746         (build_index_type): When we can't hash an index type (e.g.,
3747         because its maximum value is negative), the index type requires
3748         structural equality tests.
3749         (build_array_type): Build the canonical form of an array type.
3750         (build_function_type): Function types require structural equality,
3751         because they contain default arguments, attributes, etc.
3752         (build_method_type_directly): Ditto for method types.
3753         (build_offset_type): Build the canonical offset type.
3754         (build_complex_type): Build the canonical vector type.
3755         (make_vector_type): Build the canonical vector type.
3756         * tree.h (TYPE_CANONICAL): New.
3757         (TYPE_STRUCTURAL_EQUALITY_P): New.
3758         (SET_TYPE_STRUCTURAL_EQUALITY): New.
3759         (struct tree_type): Added "canonical" field.
3760         * params.h (VERIFY_CANONICAL_TYPES): New.
3761         * doc/c-tree.texi (TYPE_CANONICAL): Document.
3762         (TYPE_STRUCTURAL_EQUALITY_P): Document.
3763         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
3764         * doc/invoke.texi (verify-canonical-types): Document --param
3765         parameter for verifying canonical types.
3767 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
3769         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
3770         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
3771         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
3772         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
3773         tm_file.
3774         * config/rs6000/e500.h: New.
3775         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
3776         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
3777         Remove.
3778         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
3779         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
3780         TARGET_E500_DOUBLE): Remove.
3781         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
3782         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
3783         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
3784         * config/rs6000/rs6000.c (rs6000_override_options): Use
3785         CHECK_E500_OPTIONS.
3787 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
3789         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
3790         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
3791         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
3792         rs6000_emit_cmove): Don't check TARGET_E500.
3793         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
3794         sordered): Don't check TARGET_E500.
3796 2007-01-01  Eric Christopher  <echristo@apple.com>
3798         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
3799         HARD_REGISTER_NUM_P.
3801 2007-01-01  Roger Sayle  <roger@eyesopen.com>
3803         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
3804         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
3805         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
3806         eq/ne Y".
3808 2007-01-01  Mike Stump  <mrs@apple.com>
3810         * configure.ac: Remove support for building with Apple's gcc-3.1.
3812 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
3814         PR middle-end/30311
3815         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
3816         REG is a hard register.  Do not modify REG before calling
3817         subreg_nregs.
3818         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
3819         multiple of the size of YMODE for certain lowpart cases.
3821 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
3823         PR middle-end/30253
3824         * gimplify (voidify_wrapper_expr): Update for
3825         GIMPLE_MODIFY_STMT.
3827 2007-01-01  Andreas Schwab  <schwab@suse.de>
3829         PR target/29166
3830         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
3831         save of BR0 in extra_spill_size instead of spill_size.
3832         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
3833         area.
3834         (ia64_expand_epilogue): Restore BR0 from its new location.
3836 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
3838         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
3839         Use a temporary variable if the left hand side is not a gimple
3840         register.
3842 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
3844         * gimplify.c (gimplify_return_expr): Make the temporary variable
3845         for the return expression, a gimple register variable.
3847 2007-01-01  Jan Hubicka  <jh@suse.cz>
3849         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
3850         INSN_LIST.
3852 2007-01-01  Mike Stump  <mrs@apple.com>
3854         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
3855         .literal16.
3856         * config/darwin.c (machopic_select_rtx_section): Use
3857         HAVE_GAS_LITERAL16.
3858         (darwin_mergeable_constant_section): Likewise.
3859         * configure: Regenerate.
3860         * config.in: Regenerate.
3862 2007-01-01  Jan Hubicka  <jh@suse.cz>
3863             Andrew Pinski  <pinskia@gmail.com>
3865         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
3866         before starting IPA passes.