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2007-05-04 Josh Conner <jconner@apple.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-05-04  Josh Conner  <jconner@apple.com>
2
3         * basic-block.h (cdi_direction): Assign values to all enumeration
4         constants.
5         (dom_computed): Remove.
6         (dom_info_state): New.
7         (set_dom_info_availability): New.
8         * tree-ssa-loop-im.c (determine_invariantness): Initialize
9         walk_data.dom_direction.
10         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
11         instead of dom_computed[].
12         (split_edge): Likewise.
13         (create_basic_block): Likewise.
14         (merge_blocks): Likewise.
15         * ifcvt.c (find_if_header): Likewise.
16         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
17         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18         * tree-ssa.c (verify_ssa): Likewise.
19         * tree-cfg.c (tree_verify_flow_info): Likewise.
20         (remove_edge_and_dominated_blocks): Likewise.
21         * dominance.c (dom_computed): Make static.
22         (calc_dfs_tree_nonrec): Change third param to a bool.
23         (calc_dfs_tree): Change second param to a bool.
24         (calc_idioms): Change second param to a bool.  Use
25         dom_convert_dir_to_idx.
26         (init_dom_info): Validate dir before using.
27         (dom_convert_dir_to_idx): New.
28         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
29         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
30         (free_dominance_info): Use dom_convert_dir_to_idx.
31         (get_immediate_dominator): Likewise.
32         (set_immediate_dominator): Likewise.
33         (get_dominated_by): Likewise.
34         (redirect_immediate_dominators): Likewise.
35         (nearest_common_denominator): Likewise.
36         (dominated_by_p): Likewise.
37         (bb_dom_dfs_in): Likewise.
38         (bb_dom_dfs_out): Likewise.
39         (recount_dominator): Likewise.
40         (iterate_fix_dominators): Likewise.
41         (add_to_dominance_info): Likewise.
42         (delete_from_dominance_info): Likewise.
43         (first_dom_son): Likewise.
44         (next_dom_son): Likewise.
45         (dom_info_available_p): Likewise.
46         (dom_info_state): New.
47         (set_dom_info_availability): New.
48
49 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
50
51         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
52         Expander removed.
53         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
54
55 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
56         
57         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
58         (subdi3, subdi_carry): Delete.
59         
60 2007-05-04  Jan Hubicka  <jh@suse.cz>
61             Richard Guenther  <rguenther@suse.de>
62
63         * opts.c (decode_options): Do not fiddle with inlining
64         parameters in case of optimizing for size.
65         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
66         for size do nothing.
67         (cgraph_decide_inlining_of_small_function): When optimizing for
68         size never inline functions increasing caller size.
69         (cgraph_early_inlining): Inline for size when optimizing for size.
70
71 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
72
73         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
74         logical operations piecewise.
75         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
76         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
77         subdi_sesidi_di): Delete.
78         (add_with_carry): Produce carry in CC instead of a DREG to shorten
79         the generated sequence.  Allow three-reg add in constraints.  Rewrite
80         the rtl expression for carry to avoid zero_extend of a constant.
81         (sub_with_carry): New pattern.
82         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
83         different sequence not involving jumps.
84         (notbi): Now a named pattern.
85
86 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
87
88         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
89         Add the note about a significant loss of accuracy of some
90         mathematical routines when these options are used.
91
92 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
93
94         * haifa-sched.c (rtx_vec_t): New typedef.
95         (contributes_to_priority_p): Extract piece of priority () into new
96         static function.
97         (priority): Use the function.  Add assertion.
98         (rank_for_schedule, set_priorities): Add assertion to check that
99         insn's priority is initialized.
100         (clear_priorities, calc_priorities): Change signature.  Make it update
101         all relevant insns.  Update all callers ('add_to_speculative_block ()'
102         and 'create_block_check_twin ()').
103         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
104         Add new field 'priority_status'.
105         (INSN_PRIORITY_STATUS): New macro.
106         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
107
108 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
109
110         * sched-ebb.c (debug_ebb_dependencies): New static function.
111         (init_ready_list): Use it.
112
113         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
114         with changed signature and 'debug_rgn_dependencies ()'.
115         (debug_rgn_dependencies): New static function.
116         (init_ready_list): Use it.
117         
118         * sched-int.h (debug_dependencies): Declare.
119
120 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
121
122         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
123
124 2007-05-04  Dirk Mueller  <dmueller@suse.de>
125
126         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
127
128 2007-05-03  Jan Hubicka  <jh@suse.cz>
129
130         * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
131         for pointer type in more cases than before.
132
133         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
134
135         * tree-object-size.c (plus_expr_object_size): When operand size is
136         unknown, return unknown.
137
138 2007-05-03  Dirk Mueller  <dmueller@suse.de>
139
140         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
141
142         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
143         options.
144
145         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
146
147 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
148
149         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
150
151 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
152
153         * config/soft-fp/double.h, config/soft-fp/extended.h,
154         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
155         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
156         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
157         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
158         glibc CVS.
159
160 2007-05-03  Ian Lance Taylor  <iant@google.com>
161
162         * config/rs6000/rs6000.c (rs6000_override_options): Don't se
163         MASK_PPC_GFXOPT for 8540 or 8548.
164
165 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
166
167         * tree-vect-transform.c (vect_update_inits_of_drs): Use
168         vect_print_dump_info() to output debug information.
169
170 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
171
172         PR target/31768
173         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
174         operands of size 2 when operand is not MEM_P.
175
176 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
177
178         PR tree-optimization/30565
179         * lambda-code.c (perfect_nestify): Fix updating of dominators.
180
181 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
182
183         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
184         (umulsi3_highpart): Use them.
185         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
186         for final accumulator to D regisster tranfser.
187
188 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
189
190         PR tree-optimization/31699
191         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
192         code.
193         (vect_enhance_data_refs_alignment): Compute peel amount using 
194         TYPE_VECTOR_SUBPARTS instead of vf.     
195         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
196
197 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
198
199         PR bootstrap/31776
200         * system.h: Remove inclusion of double-int.h
201         * tree.h: Include double-int.h
202         * gengtype.c: Likewise
203         * cfgloop.h: Likewise
204         * Makefile.in: Adjust dependencies on double-int.h
205
206 2007-05-02  Eric Christopher  <echristo@apple.com>
207
208         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
209         -shared to -Zdynamiclib.
210
211 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
212
213         PR c++/31663
214         * c-common.c (strip_pointer_or_array_types): New function.
215         * c-common.h (strip_pointer_or_array_types): New function declaration.
216
217 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
218
219         PR tree-optimization/31771
220         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
221
222 2007-05-02  Paul Brook  <paul@codesourcery.com>
223
224         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
225
226 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
227
228         PR middle-end/29715
229         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
230         transformation.
231
232 2007-05-02  Nick Clifton  <nickc@redhat.com>
233
234         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
235
236 2007-05-02  Richard Guenther  <rguenther@suse.de>
237
238         PR tree-optimization/31146
239         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
240         argument, single_use_p.  If we have a single use that is
241         a conversion to the definition rhs type, propagate that rhs.
242         (forward_propagate_addr_expr): Pass single_use_p argument
243         to forward_propagate_addr_expr_1.
244
245 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
246
247         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
248         variable.
249
250 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
251
252         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
253         'AMD Family 10 core'.
254
255 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
256
257         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
258         and athlon64-sse3 as improved versions of k8, opteron and athlon64
259         with SSE3 instruction set support.
260         * doc/invoke.texi: Likewise.
261
262 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
263
264         * config/i386/i386.c (override_options): Tuning 32-byte loop
265         alignment for amdfam10 architecture. Increasing the max loop
266         alignment to 24 bytes.
267
268 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
269
270         * config/m68k/constraints.md: New.
271         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
272         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
273         EXTRA_CONSTRAINT): Remove.
274         * config/m68k/m68k.md: Include constraints.md.
275         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
276
277 2007-05-01  Ian Lance Taylor  <iant@google.com>
278
279         PR tree-optimization/31739
280         * tree-vrp.c (vrp_val_is_max): New static function.
281         (vrp_val_is_min): New static function.
282         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
283         copying the node.
284         (set_value_range): Use vrp_val_is_{max,min}.
285         (extract_range_from_assert): Likewise.
286         (extract_range_from_binary_expr): Likewise.
287         (extract_range_from_unary_expr): Likewise.
288         (dump_value_range, vrp_meet): Likewise.
289         (vrp_visit_phi_node): Likewise.
290         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
291
292 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
293
294         * config/i386/gmon-sol2.c (size_t): New type.
295         (intptr_t): Likewise.
296         (s_textsize): Declare as size_t.
297         (sbrk): Declare.
298         (monstartup): Use size_t for sizes.
299         (_mcount): Save and restore registers.
300         (internal_mcount): Pass 0 as the first argument to monstartup
301         in 64-bit mode.
302         (moncontrol): Convert pointer to appropriately sized integer
303         before passing to profil.
304
305 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
306
307         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
308         __NO_FPRS__, not just if _SOFT_DOUBLE.
309         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
310         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
311         also for E500 double.
312         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
313         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
314         && !TARGET_FPRS).
315
316 2007-05-01  Richard Guenther  <rguenther@suse.de>
317
318         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
319         is NULL.
320
321 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
322
323         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
324
325 2007-05-01  Jan Hubicka  <jh@suse.cz>
326
327         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
328         invariant.
329
330 2007-05-01  Jan Hubicka  <jh@suse.cz>
331
332         * tree.h (maybe_fold_offset_to_component_ref): Remove.
333         (maybe_fold_offset_to_reference): Declare.
334         * fold-const.c (fold_unary): Do not fold
335         (type *)&A into &A->field_of_type_and_offset_0
336         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
337         size is unknown, give up.
338         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
339         offsets.
340         (maybe_fold_offset_to_reference): New.
341         (maybe_fold_stmt_indirect): Use it.
342         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
343         * gimplify.c (gimplify_conversion): Canonicalize conversions to
344         field references.
345         (gimplify_expr): Likewise for plus_expr.
346
347 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
348
349         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
350         bsi_after_labels.  Always insert statements before bsi.
351         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
352         * predict.c (apply_return_prediction): Check for empty blocks.
353         * cfgexpand.c (lab_rtx_for_bb): New variable.
354         (label_rtx_for_bb): Do not create new tree labels.
355         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
356         (tree_expand_cfg): Initialize lab_rtx_for_bb.
357         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
358         creating edges.
359         (label_for_bb): Add field used.
360         (update_eh_label, main_block_label): Mark the label used.
361         (cleanup_dead_labels): Remove unused labels.
362
363 2007-05-01  Richard Guenther  <rguenther@suse.de>
364
365         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
366         if it is not about to be set.
367         (get_value_range): Do not pre-allocate equiv bitmap.
368         (update_value_range): No need to clear equiv field.
369         (add_equivalence): Change prototype to get bitmap pointer.
370         Allocate bitmap here if it is not already.
371         (extract_range_from_assert): Do not allocate bitmap here.
372         Update callers to add_equivalence.
373         (extract_range_from_ssa_name): Likewise.
374         (get_vr_for_comparison): New static helper.
375         (compare_name_with_value): Handle NULL equiv bitmap by
376         peeling the first iteration of the comparison loop.
377         Use get_vr_for_comparison.
378         (compare_names): Handle NULL equiv bitmaps by using fake
379         ones.  Use get_vr_for_comparison.
380
381 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
382
383         * double-int.c (mpz_set_double_int): Moved from
384         tree-ssa-loop-niter.c.
385         (mpz_get_double_int): Likewise; also, add option to wrap
386         out-of-range integers.
387         * double-int.h: New prototypes for above.
388         * tree.c (get_static_type_bounds): Moved from
389         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
390         TYPE_MAX_VALUE if they exist..
391         * tree.h: New prototype for above.
392         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
393         get_type_bounds calls.
394         (mpz_set_double_int): Move to double-int.c.
395         (get_type_bounds): Move to tree.c, rename to
396         get_static_type_bounds.
397         (mpz_to_double_int): Move to double-int.c, rename to
398         mpz_get_double_int.
399
400 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
401
402         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
403         DIV0 exception can fall through to a normal return.
404
405 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
406
407         PR middle-end/22156
408         Temporarily revert:
409         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
410         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
411         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
412         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
413         initialize align to silence bogus warning.
414         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
415         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
416         all_no_warning.
417         (struct sra_walk_fns): Remove use_all parameter from use.
418         (sra_hash_tree): Handle BIT_FIELD_REFs.
419         (sra_elt_hash): Don't hash bitfld blocks.
420         (sra_elt_eq): Skip them in parent compares as well.  Handle
421         BIT_FIELD_REFs.
422         (sra_walk_expr): Don't maintain or pass down use_all_p.
423         (scan_use): Remove use_all parameter.
424         (scalarize_use): Likewise.  Re-expand assignment to
425         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
426         output, and re-scalarize after output.  Don't mark anything
427         for no warning.
428         (scalarize_ldst): Adjust.
429         (scalarize_walk_gimple_modify_statement): Likewise.
430         (build_element_name_1): Handle BIT_FIELD_REFs.
431         (instantiate_element): Don't warn for any element whose parent
432         is used as a whole.
433         (instantiate_missing_elements_1): Return the sra_elt.
434         (canon_type_for_field): New.
435         (try_instantiate_multiple_fields): New.
436         (instantiate_missing_elemnts): Use them.
437         (mark_no_warning): Removed.
438         (generate_one_element_ref): Handle BIT_FIELD_REFs.
439         (REPLDUP, sra_build_elt_assignment): New.
440         (generate_copy_inout): Use them.
441         (generate_element_copy): Likewise.  Handle bitfld differences.
442         (generate_element_zero): Don't recurse for blocks.  Use
443         sra_build_elt_assignment.
444         (generate_one_element_int): Take elt instead of var.  Use
445         sra_build_elt_assignment.
446         (generate_element_init_1): Adjust.
447         (scalarize_use, scalarize_copy): Use REPLDUP.
448         (scalarize_ldst): Move assert before dereference.
449         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
450
451 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
452
453         PR C++/31721
454         * tree.c (reconstruct_complex_type): Reconstruct a reference
455         correctly.
456         Also use the same mode for the pointer as the old pointer type.
457
458 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
459
460         * doc/trouble.texi (Interoperation): Remove note about Ultrix
461         Fortran compiler.
462
463 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
464
465         PR rtl-optimization/31676
466         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
467         (df_refs_record): Call it.
468
469 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
470
471         * rtl.def (SS_ABS): New code.
472         * config/bfin/bfin.c (print_operand): New modifier 'v'.
473         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
474         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
475         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
476         (bfin_init_builtins): Define them.
477         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
478         (bfin_expand_builtin): ... and handle the others here.
479         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
480         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
481         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
482         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
483         operand is only HImode.
484
485 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
486
487         * regclass.c (scan_one_insn): Remove splitting of
488         two address insns.
489
490 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
491             Nigel Stephens  <nigel@mips.com>
492
493         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
494
495 2007-04-28  Jan Hubicka  <jh@suse.cz>
496
497         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
498         insn_locators_alloc instead of insn_locators_initialize;
499         call reset_block_changes.
500         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
501         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
502         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
503         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
504         * config/score/score.c (th_output_mi_thunk): Likewise.
505         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
506         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
507         tolerate uninitialized locator info.
508
509         Re-apply:
510         * function.c (init_function_start): Don't init line number info.
511         (expand_function_end): Update.
512         (reset_block_changes, record_block_change, finalize_block_changes,
513         check_block_change, free_block_changes): Kill.
514         * function.h (reset_block_changes, record_block_change,
515         finalize_block_changes, check_block_change, free_block_changes): Remove
516         prototypes.
517         (struct function): Remove ib_boundaries_block.
518         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
519         Use curr_insn_locator to initialize locator.
520         (emit_line_note): Remove.
521         * cfgexpand.c (expand_gimple_cond_expr): Update.
522         (construct_exit_block): Likewise.
523         (tree_expand_cfg): Initialize/finalize locators.
524         * expr.c (expand_expr_real): Update.
525         * cfglayout.c (line_locators_locs, line_locators_lines,
526         file_locators_locs, file_locators_files): Remove.
527         (set_block_levels): Move to cfgexpand.c.
528         (insn_locators_initialize): Remove.
529         (pass_insn_locators_initialize): Remove.
530         (locations_locators_locs, locations_locators_vals): New static vars.
531         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
532         Likewise.
533         (insn_locators_alloc, insn_locators_finalize,
534         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
535         New functions.
536         (locator_location): New.
537         (locator_line, locator_file): Rewrite.
538         * rtl.h (emit_line_note): Kill.
539         (insn_locators_alloc, insn_locators_finalize,
540         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
541         Declare.
542         * tree-inline.c (initialize_cfun): Do not initialize
543         ib_boundaries_block.
544         * passes.c (pass_insn_locators_initialize): Remove.
545
546 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
547
548         * tree-cfg.c (move_block_to_fn): Release bb from dominance
549         info.  Update last_basic_block correctly.
550
551 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
552
553         PR target/31701
554         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
555         register itself to hold the offset constant.  Tell flow the use
556         of r4 and r5 when they are used.
557
558 2007-04-27  Richard Guenther  <rguenther@suse.de>
559
560         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
561         if we simplified anything.
562         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
563         warnings until we did a simplification and the stmt was not
564         marked as TREE_NO_WARNING.
565
566 2007-04-27  Mike Stump  <mrs@apple.com>
567
568         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
569
570 2007-04-27  Ian Lance Taylor  <iant@google.com>
571
572         PR middle-end/31710
573         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
574         TYPE_MAX_VALUE exist, convert them to the new type.
575
576 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
577
578         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
579         if it claims to be available.
580         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
581         edge is redirected.
582         (perform_tree_ssa_dce): Always free postdominators.
583
584 2007-04-27  Richard Henderson  <rth@redhat.com>
585
586         * config/alpha/predicates.md (aligned_memory_operand): Mark
587         as define_special_predicate.
588         (unaligned_memory_operand, normal_memory_operand): Likewise.
589         (reg_or_unaligned_mem_operand): Remove.
590         (any_memory_operand): Match the documentation and check for
591         non-renumbered pseudos during reload.
592         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
593         alpha_secondary_reload_class, update to new interface, make static.
594         Handle CQImode like HImode.  Remove FP subreg check.
595         (alpha_expand_mov): Use replace_equiv_address.
596         (alpha_expand_mov_nobwx): Use any_memory_operand.
597         (TARGET_SECONDARY_RELOAD): New.
598         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
599         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
600         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
601         * config/alpha/alpha.md: ... here.
602         (RELOAD12, reloadmode): New.
603         (movcqi): New.
604         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
605         Don't handle the aligned case here.
606         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
607         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
608         reload_inhi_help.  Don't expect a scratch register.
609         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
610         reload_outhi_help.
611         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
612
613 2007-04-27  Richard Guenther  <rguenther@suse.de>
614
615         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
616
617 2007-04-27  Richard Guenther  <rguenther@suse.de>
618
619         PR tree-optimization/30965
620         PR tree-optimization/30978
621         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
622         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
623         (find_equivalent_equality_comparison): Likewise.
624         (simplify_cond): Likewise.
625         (get_prop_source_stmt): New helper.
626         (get_prop_dest_stmt): Likewise.
627         (can_propagate_from): Likewise.
628         (remove_prop_source_from_use): Likewise.
629         (combine_cond_expr_cond): Likewise.
630         (forward_propagate_comparison): New function.
631         (forward_propagate_into_cond): Rewrite to use fold for
632         tree combining.
633         (tree_ssa_forward_propagate_single_use_vars): Call
634         forward_propagate_comparison to propagate comparisons.
635
636 2007-04-27  Richard Guenther  <rguenther@suse.de>
637
638         PR tree-optimization/31715
639         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
640         sure to do computation on the offset in an appropriate
641         signed type.
642
643 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
644
645         * reload.h (elimination_target_reg_p): Declare.
646         * reload.c (find_reloads): Don't apply the reg_rtx move
647         optimization if the SET_DEST satisfies elimination_target_reg_p.
648         * reload1.c (elimination_target_reg_p): New function.
649         (gen_reload): In the move/add2 fallback, make sure that op0
650         does not overlap the destination register.
651
652 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
653
654         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
655         transform only GIMPLE_MODIFY_STMTs.
656         * tree-complex.c (expand_complex_operations_1): Ditto.
657         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
658         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
659         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
660         branches.
661         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
662         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
663         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
664         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
665         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
666         slpeel_add_loop_guard): Ditto.
667         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
668         * lambda-code.c (perfect_nestify): Ditto.
669         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
670         before the first statement.
671         * tree-optimize.c (execute_free_datastructures): Fix comments.
672         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
673         * tree-flow.h (disband_implicit_edges): Declaration removed.
674         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
675         branches.
676         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
677         without gotos.
678         (disband_implicit_edges, has_label_p): Removed.
679         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
680         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
681         branches.
682         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
683         side effects.
684         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
685         also for COND_EXPRs.
686         * cfgexpand.c (label_rtx_for_bb): New function.
687         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
688         Use label_rtx_for_bb to find the labels.
689         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
690         last block.  Detect fallthru edges.
691
692 2007-04-26  Ian Lance Taylor  <iant@google.com>
693
694         PR target/28675
695         * reload.c (find_reloads_subreg_address): If the address was valid
696         in the original mode but not in the new mode, reload the whole
697         address.
698
699 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
700
701         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
702         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
703         (cleanup_control_expr_graph): Do not invalidate dominance info.
704         Record altered blocks.
705         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
706         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
707         cleanup_tree_cfg_bb): New functions.
708         (remove_forwarder_block): Do not maintain the worklist of blocks.
709         Record altered blocks.
710         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
711         not over whole cfg.
712         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
713         delete_unreachable_blocks if dominators are not available.
714         * tree-inline.c (optimize_inline_calls): Free dominance information
715         earlier.
716         * tree-flow.h (remove_edge_and_dominated_blocks,
717         cfgcleanup_altered_bbs): Altered.
718         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
719         blocks.
720         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
721         functions.
722         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
723         do not invalidate dominators.
724
725 2007-04-26  Anatoly Sokolov <aesok@post.ru>
726
727         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
728         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
729         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
730         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
731
732 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
733
734         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
735
736 2007-04-26  Richard Guenther  <rguenther@suse.de>
737
738         PR tree-optimization/31703
739         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
740         the right type for the target of the bittest.
741
742 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
743
744         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
745         ix86_sol10_return_in_memory.
746
747 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
748
749         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
750         variables.
751
752 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
753
754         PR c++/31598
755         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
756
757         PR tree-optimization/30558
758         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
759         clear this_state.prev_try.
760
761 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
762             Mark Mitchell  <mark@codesourcery.com>
763
764         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
765         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
766         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
767
768 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
769
770         PR driver/31107
771         * doc/invoke.texi (%:print-asm-header): Document.
772         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
773         and -ftarget-help.
774         (static_spec_functions): Add print-asm-header.
775         (main): Print a banner before the --target-help linker options.
776         (print_asm_header_spec_function): New function.
777
778 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
779
780         PR target/31403
781         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
782         (movsf_ie): Likewise.
783
784 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
785
786         * doc/extend.texi ([Type Traits]): Adjust per N2255.
787
788 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
789
790         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
791         for divide-by-zero.
792         (__umodsi3, __modsi3): Likewise.
793
794 2007-04-25  Dirk Mueller  <dmueller@suse.de>
795
796         * c-typeck.c (build_compound_expr): Annotate warning()
797         call with OPT_Wunused_value.
798         * tree-ssa.c (warn_uninit): Annotate warning with
799         OPT_Wunintialized.
800         * c-common.c (handle_sentinel_attribute): Annotate warning
801         call with OPT_Wattributes.
802
803 2007-04-25  Thiemo Seufer  <ths@mips.com>
804
805         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
806         (mips16): Fix typo.
807         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
808         on to the assembler.  Improve handling of -mno-mips16.  Add handling
809         of -mno-mips3d, -mno-dsp, -mno-dspr2.
810         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
811         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
812         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
813
814 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
815
816         PR target/31680
817         * config/i386/winnt.c (i386_pe_file_end): Strip only
818         USER_LABEL_PREFIX when writing export name.
819
820 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
821
822         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
823         sh/elf.h, vx-common.h and vxworks.h.
824         * config/sh/sh.h: Include config/vxworks-dummy.h.
825         (SUBTARGET_OVERRIDE_OPTIONS): Define.
826         (OVERRIDE_OPTIONS): Use it.
827         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
828         (vxworks_picreg): New pattern.
829         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
830         VXWORKS_OS_CPP_BUILTINS.
831         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
832         to their VXWORKS_* equivalents.
833         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
834         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
835         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
836         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
837         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
838         -mrtp/-fPIC multilibs.
839         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
840         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
841         (MULTILIB_OSDIRNAMES): Delete.
842
843 2007-04-25  Anatoly Sokolov <aesok@post.ru>
844
845         PR target/18989
846         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
847
848 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
849
850         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
851         rounding mode to be specified by the caller.
852         (real_to_mpfr) Likewise.
853         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
854         include new arguments.
855         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
856
857 2007-04-24  Ian Lance Taylor  <iant@google.com>
858
859         PR tree-optimization/31605
860         * tree-vrp.c (set_value_range): Check that min and max are not
861         both overflow infinities.
862         (set_value_range_to_value): New static function.
863         (extract_range_from_binary_expr): Call set_value_range_to_value.
864         (extract_range_from_cond_expr): Likewise.
865         (extract_range_from_expr): Likewise.
866         (extract_range_from_unary_expr): Likewise.  Don't create a range
867         which overflows on both sides.
868         (vrp_meet): Check for a useless range.
869         (vrp_visit_phi_node): If we see a constant which looks like an
870         overflow infinity, turn off the TREE_OVERFLOW flag.
871
872 2007-04-24  Ian Lance Taylor  <iant@google.com>
873
874         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
875
876 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
877
878         PR diagnostic/25923
879         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
880         diagnostic message is being built.
881         * tree-pretty-print.c (dump_generic_node): Only write the
882         formatted text into BUFFER's stream if we are not building a
883         diagnostic message.
884         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
885         dump_generic_node.
886         * Makefile.in (toplev.o): Depend on tree-pass.h.
887
888 2007-04-24  Ian Lance Taylor  <iant@google.com>
889
890         PR tree-optimization/31602
891         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
892         conditionals in the copied loop header.
893         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
894         warnings if TREE_NO_WARNING is set.
895         * doc/invoke.texi (Warning Options): Clarify that
896         -Wstrict-overflow does not warn about loops.
897
898 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
899
900         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
901         expand on the comment about _Decimal128 arguments and check the
902         integer result of the modulus operation; for 64-bit ELF ABI, ensure
903         that _Decimal128 argument uses even/odd register pair.
904         (function_arg): Ditto.
905
906 2007-04-24  Hui-May Chang <hm.chang@apple.com>
907
908         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
909         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
910
911 2007-04-24  Richard Guenther  <rguenther@suse.de>
912             Olga Golovanevsky  <olga@il.ibm.com>
913
914         * fold-const.c (multiple_of_p): Check for bottom
915         to be zero.
916
917 2007-04-24  Richard Henderson  <rth@redhat.com>
918
919         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
920         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
921         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
922         looking for non-zero bits shifted out.  Avoid a recursive call
923         when constructing the scalar.
924         (__floatundisf): Likewise.
925
926 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
927
928         * dwarf2out.c (field_byte_offset): Move the existing logic
929         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
930         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
931
932 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
933
934         PR target/31641
935         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
936         argument of 0 for memset.
937         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
938         unsigned shift instead of the signed variant.
939
940 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
941
942         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
943         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
944         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
945         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
946         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
947         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
948         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
949         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
950         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
951         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
952         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
953         "mul<mode>3", "div<mode>3"): Insn definitions added.
954         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
955         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
956         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
957         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
958         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
959         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
960         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
961         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
962         TARGET_FLOAT_FORMAT): Macro definitions removed.
963         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
964         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
965         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
966         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
967         (s390_gen_rtx_const_DI): Function removed.
968         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
969
970 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
971
972         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
973         over an external ffs function.
974
975 2007-04-24  Chao-ying Fu  <fu@mips.com>
976             Richard Sandiford  <richard@nildram.co.uk>
977
978         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
979         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
980         (smadd_widen_optab, umadd_widen_optab): Define.
981         * optabs.c (init_optabs): Initialize smadd_widen_optab and
982         umadd_widen_optab.
983         * genopinit.c (optabs): Fill in smadd_widen_optab and
984         umadd_widen_optab.
985         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
986         and umadd_widen_optab to implement multiply-add sequences.
987         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
988         (<u>maddsidi4): ...this.  Extend condition to include
989         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
990         of operand 0 to "ka" and use the three-operand form of madd<u>
991         for TARGET_DSPR2.
992         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
993         to define_expands.
994         * config/mips/constraints.md (ka): New register constraint.
995
996 2007-04-24  Jan Hubicka  <j@suse.cz>
997
998         Revert:
999
1000         2007-04-23  Jan Hubicka  <jh@suse.cz>
1001         * function.c (init_function_start): Don't init line number info.
1002         (expand_function_end): Update.
1003         (reset_block_changes, record_block_change, finalize_block_changes,
1004         check_block_change, free_block_changes): Kill.
1005         * function.h (reset_block_changes, record_block_change,
1006         finalize_block_changes, check_block_change, free_block_changes): Remove
1007         prototypes.
1008         (struct function): Remove ib_boundaries_block.
1009         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1010         Use curr_insn_locator to initialize locator.
1011         (emit_line_note): Remove.
1012         * cfgexpand.c (expand_gimple_cond_expr): Update.
1013         (construct_exit_block): Likewise.
1014         (tree_expand_cfg): Initialize/finalize locators.
1015         * expr.c (expand_expr_real): Update.
1016         * cfglayout.c (line_locators_locs, line_locators_lines,
1017         file_locators_locs, file_locators_files): Remove.
1018         (set_block_levels): Move to cfgexpand.c.
1019         (insn_locators_initialize): Remove.
1020         (pass_insn_locators_initialize): Remove.
1021         (locations_locators_locs, locations_locators_vals): New static vars.
1022         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1023         Likewise.
1024         (insn_locators_alloc, insn_locators_finalize,
1025         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1026         New functions.
1027         (locator_location): New.
1028         (locator_line, locator_file): Rewrite.
1029         * rtl.h (emit_line_note): Kill.
1030         (insn_locators_alloc, insn_locators_finalize,
1031         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1032         Declare.
1033         * tree-inline.c (initialize_cfun): Do not initialize
1034         ib_boundaries_block.
1035         * passes.c (pass_insn_locators_initialize): Remove.
1036
1037 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
1038
1039         * doc/invoke.texi: Removed leading '-' from option index entries.
1040
1041 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1042
1043         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
1044         Use phi_nodes_ptr.
1045         (create_phi_node): Use set_phi_nodes.
1046         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
1047         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
1048         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
1049         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
1050         (bsi_start, bsi_last): Use bb_stmt_list.
1051         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
1052         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
1053         Traverse the statements using tsi iterator.
1054         * basic-block.h (struct basic_block_def): Fields stmt_list
1055         and phi_nodes moved to ...
1056         (struct tree_bb_info): ... new structure.
1057         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
1058         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
1059         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
1060         (tree_verify_flow_info): Verify that il.tree is not set for
1061         entry and exit block.
1062         (tree_split_block): Use set_bb_stmt_list.
1063
1064 2007-04-23  Mike Stump  <mrs@apple.com>
1065
1066         * config/i386/i386.c (ix86_tune_features
1067         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
1068         nocona and core2.
1069
1070 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1071
1072         * config/i386/i386.md (prefix_extra): New attribute.
1073         (length): Add prefix_extra.
1074
1075         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
1076         (sse2_movntv2di): Likewise.
1077         (sse2_cvtps2dq): Likewise.
1078         (sse2_cvtpd2pi): Likewise.
1079         (sse2_cvttpd2pi): Likewise.
1080         (*sse2_cvtpd2ps): Likewise.
1081         (*add<mode>3): Likewise.
1082         (sse2_ssadd<mode>3): Likewise.
1083         (sse2_usadd<mode>3): Likewise.
1084         (*sub<mode>3): Likewise.
1085         (sse2_sssub<mode>3): Likewise.
1086         (sse2_ussub<mode>3): Likewise.
1087         (*mulv8hi3): Likewise.
1088         (*smulv8hi3_highpart): Likewise.
1089         (*umulv8hi3_highpart): Likewise.
1090         (sse2_umulv2siv2di3): Likewise.
1091         (sse2_pmaddwd): Likewise.
1092         (ashr<mode>3): Likewise.
1093         (lshr<mode>3): Likewise.
1094         (ashl<mode>3): Likewise.
1095         (sse2_ashlti3): Likewise.
1096         (sse2_lshrti3): Likewise.
1097         (*umaxv16qi3): Likewise.
1098         (*smaxv8hi3): Likewise.
1099         (*uminv16qi3): Likewise.
1100         (*sminv8hi3): Likewise.
1101         (sse2_eq<mode>3): Likewise.
1102         (sse2_gt<mode>3): Likewise.
1103         (*and<mode>3): Likewise.
1104         (sse2_nand<mode>3): Likewise.
1105         (*ior<mode>3): Likewise.
1106         (*xor<mode>3): Likewise.
1107         (sse2_packsswb): Likewise.
1108         (sse2_packssdw): Likewise.
1109         (sse2_packuswb): Likewise.
1110         (sse2_punpckhbw): Likewise.
1111         (sse2_punpcklbw): Likewise.
1112         (sse2_punpckhwd): Likewise.
1113         (sse2_punpcklwd): Likewise.
1114         (sse2_punpckhdq): Likewise.
1115         (sse2_punpckldq): Likewise.
1116         (sse2_punpckhqdq): Likewise.
1117         (sse2_punpcklqdq): Likewise.
1118         (*sse2_pinsrw): Likewise.
1119         (*sse2_pextrw): Likewise.
1120         (sse2_pshufd_1): Likewise.
1121         (sse2_uavgv16qi3): Likewise.
1122         (sse2_uavgv8hi3): Likewise.
1123         (sse2_psadbw): Likewise.
1124         (sse2_pmovmskb): Likewise.
1125         (*sse2_maskmovdqu): Likewise.
1126         (*sse2_maskmovdqu_rex64): Likewise.
1127         (sse4a_extrqi): Likewise.
1128         (sse4a_extrq): Likewise.
1129         (sse3_lddqu): Set prefix_rep.
1130         (sse3_addsubv4sf3): Likewise.
1131         (sse3_haddv4sf3): Likewise.
1132         (sse3_hsubv4sf3): Likewise.
1133         (sse_cvtss2si): Likewise.
1134         (sse_cvtss2si_2): Likewise.
1135         (sse_cvtss2siq): Likewise.
1136         (sse_cvtss2siq_2): Likewise.
1137         (sse_cvttss2si): Likewise.
1138         (sse_cvttss2siq): Likewise.
1139         (sse2_cvttps2dq): Likewise.
1140         (sse3_movshdup): Likewise.
1141         (sse3_movsldup): Likewise.
1142         (sse2_cvtsd2si): Likewise.
1143         (sse2_cvtsd2si_2): Likewise.
1144         (sse2_cvtsd2siq): Likewise.
1145         (sse2_cvtsd2siq_2): Likewise.
1146         (sse2_cvttsd2si): Likewise.
1147         (sse2_cvttsd2siq): Likewise.
1148         (*sse2_cvtpd2dq): Likewise.
1149         (*sse2_cvttpd2dq): Likewise.
1150         (sse2_pshuflw_1): Likewise.
1151         (sse2_pshufhw_1): Likewise.
1152         (sse4a_insertqi): Likewise.
1153         (sse4a_insertq): Likewise.
1154         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
1155         (ssse3_phadddv4si3): Likewise.
1156         (ssse3_phaddswv8hi3): Likewise.
1157         (ssse3_phsubwv8hi3): Likewise.
1158         (ssse3_phsubdv4si3): Likewise.
1159         (ssse3_phsubswv8hi3): Likewise.
1160         (ssse3_pmaddubswv8hi3): Likewise.
1161         (ssse3_pmulhrswv8hi3): Likewise.
1162         (ssse3_pshufbv16qi3): Likewise.
1163         (ssse3_psign<mode>3): Likewise.
1164         (ssse3_palignrti): Likewise.
1165         (abs<mode>2): Likewise.
1166         (ssse3_phaddwv4hi3): Set prefix_extra.
1167         (ssse3_phadddv2si3): Likewise.
1168         (ssse3_phaddswv4hi3): Likewise.
1169         (ssse3_phsubwv4hi3): Likewise.
1170         (ssse3_phsubdv2si3): Likewise.
1171         (ssse3_phsubswv4hi3): Likewise.
1172         (ssse3_pmaddubswv4hi3): Likewise.
1173         (ssse3_pmulhrswv4hi3): Likewise.
1174         (ssse3_pshufbv8qi3): Likewise.
1175         (ssse3_psign<mode>3): Likewise.
1176         (ssse3_palignrdi): Likewise.
1177         (abs<mode>2): Likewise.
1178         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
1179         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
1180         (sse2_pmovmskb): Set mode to SI instead of V2DF.
1181
1182 2007-04-23  Nick Clifton  <nickc@redhat.com>
1183
1184         * params.def: Fix formatting of emacs local variables.
1185
1186 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1187
1188         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
1189         move if inter-unit move isn't allowed.
1190         Don't split moving the first element of V2DI to DI to inter-unit
1191         move if inter-unit move isn't allowed.
1192
1193 2007-04-23  Richard Guenther  <rguenther@suse.de>
1194
1195         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
1196         and CDI_POST_DOMINATORS separately.
1197
1198 2007-04-23  Nick Clifton  <nickc@redhat.com>
1199
1200         * c.opt (Wformat-contains-nul): Add warning attribute.
1201
1202 2007-04-23  Jan Hubicka  <jh@suse.cz>
1203
1204         * function.c (init_function_start): Don't init line number info.
1205         (expand_function_end): Update.
1206         (reset_block_changes, record_block_change, finalize_block_changes,
1207         check_block_change, free_block_changes): Kill.
1208         * function.h (reset_block_changes, record_block_change,
1209         finalize_block_changes, check_block_change, free_block_changes): Remove
1210         prototypes.
1211         (struct function): Remove ib_boundaries_block.
1212         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1213         Use curr_insn_locator to initialize locator.
1214         (emit_line_note): Remove.
1215         * cfgexpand.c (expand_gimple_cond_expr): Update.
1216         (construct_exit_block): Likewise.
1217         (tree_expand_cfg): Initialize/finalize locators.
1218         * expr.c (expand_expr_real): Update.
1219         * cfglayout.c (line_locators_locs, line_locators_lines,
1220         file_locators_locs, file_locators_files): Remove.
1221         (set_block_levels): Move to cfgexpand.c.
1222         (insn_locators_initialize): Remove.
1223         (pass_insn_locators_initialize): Remove.
1224         (locations_locators_locs, locations_locators_vals): New static vars.
1225         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1226         Likewise.
1227         (insn_locators_alloc, insn_locators_finalize,
1228         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1229         New functions.
1230         (locator_location): New.
1231         (locator_line, locator_file): Rewrite.
1232         * rtl.h (emit_line_note): Kill.
1233         (insn_locators_alloc, insn_locators_finalize,
1234         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1235         Declare.
1236         * tree-inline.c (initialize_cfun): Do not initialize
1237         ib_boundaries_block.
1238         * passes.c (pass_insn_locators_initialize): Remove.
1239
1240 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1241
1242         PR middle-end/31448
1243         * expr.c (reduce_to_bit_field_precision): Handle
1244         CONST_INT rtx's.
1245
1246 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
1247
1248         PR tree-optimization/24659
1249         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
1250         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
1251         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
1252         * genopinit.c (optabs): Rename vec_pack_mod_optab
1253         to vec_pack_trunc_optab.
1254         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
1255         early for scalar floating point operands for NOP_EXPR.
1256         (vectorizable_type_promotion): Ditto.
1257         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
1258         vec_pack_trunc_optab.
1259         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
1260
1261         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
1262         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
1263         Rename from VEC_PACK_MOD_EXPR.
1264         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
1265         * expr.c (expand_expr_real_1): Ditto.
1266         * tree-inline.c (estimate_num_insns_1): Ditto.
1267         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1268
1269         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
1270         (vec_unpacks_lo_v4sf): Ditto.
1271         (vec_pack_trunc_v2df): Ditto.
1272         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
1273         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1274         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
1275
1276         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
1277         vec_pack_mod_v8hi.
1278         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1279
1280         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
1281         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
1282         packing of floating point operands.
1283         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
1284         represent unpacking of floating point operands.
1285         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
1286         [vec_unpacks_hi]: Ditto.
1287         [vec_unpacks_lo]: Ditto.
1288
1289 2007-04-22  Jan Hubicka  <jh@suse.cz>
1290
1291         * final.c (rest_of_handle_final): Call
1292         targetm.asm_out.constructor/targetm.asm_out.destructor
1293         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
1294         proper priority via decl_*_priority_insert.
1295         * c-common.c (c_expand_body): Likewise.
1296
1297 2007-04-22  Richard Guenther  <rguenther@suse.de>
1298
1299         PR tree-optimization/29789
1300         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
1301         (rewrite_reciprocal): New helper split out from
1302         determine_invariantness_stmt.
1303         (rewrite_bittest): Likewise.
1304         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1305         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1306         is not.
1307
1308 2007-04-22  Revital Eres  <eres@il.ibm.com>
1309
1310         * loop-unroll.c (var_to_expand): New field to support also
1311         insns of the form x = something + x.
1312         (analyze_insn_to_expand_var): Use it.
1313         (expand_var_during_unrolling): Likewise.
1314
1315 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1316
1317         * predict.c: Include pointer-set.h.
1318         (bb_predictions): New variable.
1319         (tree_predicted_by_p, tree_predict_edge,
1320         remove_predictions_associated_with_edge): Use bb_predictions map
1321         instead of bb->predictions.
1322         (clear_bb_predictions, assert_is_empty): New functions.
1323         (combine_predictions_for_bb): Use bb_predictions map.  Call
1324         clear_bb_predictions.
1325         (tree_estimate_probability): Create and free bb_predictions map.
1326         * Makefile.in (predict.o): Add pointer-set.h dependency.
1327         * basic-block.h (struct basic_block_def): Remove predictions
1328         field.
1329         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1330
1331 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1332
1333         PR target/31480
1334         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1335         is null.
1336
1337 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1338
1339         * timevar.c (timevar_print): Change reference of --disable-checking to
1340         --enable-checking=release.  Also warn if assert checking is disabled.
1341
1342 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1343
1344         PR C/30265
1345         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
1346         decl as addressable if the compound literal was marked as
1347         addressable.
1348         Mark the decl as a gimple register if it is a complex or
1349         vector decl and does not live in memory.
1350
1351 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1352
1353         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
1354         (GENERIC_NEXT): New function macro.
1355         (PHI_CHAIN): Use phi_node's new chain variable.
1356         (tree_phi_node): Change tree_common to tree_base
1357         and add the chain field.
1358         * tree-phinodes.c (make_phi_node): Don't set
1359         TREE_TYPE on the new node.
1360         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
1361         instead of checking GIMPLE_TUPLE_P in chain_next.
1362         * tree-vect-transform.c
1363         (get_initial_def_for_induction): Look at
1364         PHI_RESULT_TREE for the type of the phi node.
1365         (update_vuses_to_preheader): Use PHI_CHAIN
1366         instead of TREE_CHAIN on the phi node.
1367         * tree-ssa-structalias.c (compute_points_to_sets):
1368         Likewise.
1369         (ipa_pta_execute): Likewise.
1370
1371 2007-04-21  Richard Guenther  <rguenther@suse.de>
1372
1373         PR middle-end/31136
1374         * fold-const.c (fold_unary): Call fold_convert_const on the
1375         original tree.
1376
1377 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
1378
1379         * gcse.c (store_killed_in_insn): Handle PARALLELs.
1380         (store_killed_in_pat): New.
1381
1382 2007-04-20  Richard Henderson  <rth@redhat.com>
1383
1384         PR target/31628
1385         * config/i386/i386.c (type_has_variadic_args_p): Look for any
1386         TREE_LIST with a void_type_node value, not void_list_node exactly.
1387
1388 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
1389
1390         * doc/standards.texi: Re-arrange into language-specific
1391         subsections. Add a C++ section, documenting which standards we
1392         support.
1393
1394 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1395
1396         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
1397         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
1398
1399 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
1400
1401         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
1402         ecrti.o and crtbegin.o.
1403         (LIB_DEFAULT_SPEC): Include -lc.
1404         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
1405
1406 2007-04-20  Richard Henderson  <rth@redhat.com>
1407
1408         PR target/28623
1409         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
1410         argument; update all callers.
1411         (get_unaligned_offset): New.
1412         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
1413         get_unaligned_address, just pass on the address directly.
1414         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
1415         the subreg in the helper patterns.
1416         (unaligned_extendqidi_le): Use get_unaligned_offset.
1417         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
1418         (unaligned_extendhidi_be): Likewise.
1419         (unaligned_extendhidi): Tidy.
1420         * config/alpha/alpha-protos.h: Update.
1421
1422 2007-04-20  Richard Henderson  <rth@redhat.com>
1423
1424         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
1425         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
1426         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
1427         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1428         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1429         (CPP_SPEC): Don't include %(cpp_subtarget).
1430         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
1431         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1432         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
1433
1434 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
1435
1436         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
1437         for __builtin_ia32_cmpordss.
1438
1439         PR tree-optimization/31632
1440         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1441         and arg1 for optimizations of comparison against min/max values.
1442         Fold arg0 to arg1's type for optimizations of comparison against
1443         min+1 and max-1 values.
1444
1445 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1446
1447         * reload.c (combine_reloads): When trying to use a dying register,
1448         check whether it's uninitialized and don't use if so.
1449
1450 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
1451
1452         * fold-const.c: Remove prototypes for native_encode_expr and
1453         native_interpret_expr.
1454         (native_encode_expr): Make non-static.
1455         (native_interpret_expr): Likewise.
1456         * tree.h: Add prototypes for the above.
1457
1458 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1459
1460         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
1461         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
1462         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
1463         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
1464         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
1465         Add length attributes.
1466
1467 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
1468
1469         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
1470         not that it is 1.
1471
1472         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
1473         __STDC_WANT_DEC_FP__.
1474
1475 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1476
1477         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
1478         for long double compatibility.
1479         * configure: Regenerate.
1480
1481 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1482
1483         PR rtl-optimization/29841
1484         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
1485         trap instructions.
1486         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
1487         that may cause control flow transfer from being moved.
1488
1489 2007-04-18  Jan Hubicka  <jh@suse.cz>
1490
1491         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
1492         types.
1493
1494 2007-04-18  Eric Christopher  <echristo@apple.com>
1495
1496         * config/rs6000/darwin.md (load_macho_picbase): Use link register
1497         only. Update operands.
1498         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
1499         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
1500         link register to pic register.
1501
1502 2007-04-18  Dirk Mueller  <dmueller@suse.de>
1503
1504         PR diagnostic/31227
1505         * tree-vrp.c (search_for_addr_array): New.
1506         (check_array_bounds): Suppress warning about
1507         address taken of array refs if its not de-referenced.
1508
1509 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1510
1511         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
1512         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
1513
1514         * tree-vectorizer.h (NITERS_KNOWN_P): New.
1515         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
1516         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
1517
1518         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
1519         dump print.
1520         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
1521         print message.
1522         (vect_analyze_scalar_cycles): Fix indentation.
1523         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
1524         (vect_mark_relevant): Include phis in relevance analysis.
1525
1526         * tree-vect-transform.c (vect_transform_loop): Add an assert.
1527
1528 2007-04-18  Anatoly Sokolov <aesok@post.ru>
1529
1530         * config/avr/avr.c (ptrreg_to_str): Replace error() with
1531         output_operand_lossage().
1532
1533 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1534
1535         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
1536         the unused code for reduction without adjust-in-epilog to simplify the
1537         function.
1538
1539 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
1540
1541         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
1542         (S390_TDC_NEGATIVE_ZERO): New constant.
1543         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
1544         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
1545         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
1546         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
1547         (S390_TDC_POSITIVE_INFINITY): New constant.
1548         (S390_TDC_NEGATIVE_INFINITY): New constant.
1549         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1550         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1551         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1552         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1553         (S390_TDC_INFINITY): New constant.
1554         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1555         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1556         optimization for UNSPEC_CCZ_TO_INT.
1557         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1558         ("*ccz_to_int"): New insn.
1559         ("isinf<mode>2"): New insn.
1560         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1561         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1562         (UNSPEC_CCZ_TO_INT): New constant.
1563
1564 2007-04-18  Richard Guenther  <rguenther@suse.de>
1565
1566         PR tree-optimization/19431
1567         PR tree-optimization/21463
1568         * tree-pass.h (pass_phiprop): Declare.
1569         * passes.c (init_optimization_passes): New phiprop pass.
1570         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1571         (phivn_valid_p): New helper function.
1572         (phiprop_insert_phi): Likewise.
1573         (propagate_with_phi): Likewise.
1574         (tree_ssa_phiprop): New propagator propagating loads
1575         through phi nodes if profitable.
1576
1577 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1578
1579         * tree-vect-analyze.c (process_use): New function.
1580         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1581         Check phis in all bbs.
1582         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1583         assert.
1584
1585 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1586
1587         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1588         we use REG_EQUAL.
1589
1590 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1591
1592         PR target/30483
1593         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1594         error().
1595
1596 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1597
1598         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1599         on "0".
1600         (sse_vmmulv4sf3): Likewise.
1601         (sse2_vmaddv2df3): Likewise.
1602         (sse2_vmmulv2df3): Likewise.
1603
1604 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
1605
1606         PR rtl-optimization/31360
1607         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1608         (target_reg_cost): New.
1609         (init_set_costs): Initialize target_reg_cost.  Add comments
1610         regarding the rationale of the costs.
1611         (global_cost_for_size): Renamed to...
1612         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
1613         of register pressure.
1614         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1615         estimate_reg_pressure_cost.  Add number of ivs.
1616         (determine_set_costs): Dump target_reg_cost.
1617         * loop-invariant.c (gain_for_invariant):  Use
1618         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
1619         (best_gain_for_invariant, find_invariants_to_move): Remove
1620         n_inv_uses.
1621         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1622         (target_reg_cost): Declare.
1623         (global_cost_for_size): Declaration removed.
1624         (estimate_reg_pressure_cost): Declare.
1625
1626 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
1627
1628         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
1629         regnos into even/odd register pairs.
1630         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
1631         TDmode similar to the other floating point modes.
1632         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
1633         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
1634         define_expand's.
1635         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
1636         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
1637         (movdd_hardfloat64): Use TARGET_MFPGPR.
1638
1639 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1640
1641         * reload1.c (delete_output_reload): Don't count output in n_inherited.
1642
1643         Revert
1644         2005-01-05  Richard Henderson  <rth@redhat.com>
1645         PR rtl-opt/10692
1646         * reload1.c (do_input_reload): Restrict the optimization deleteing
1647         a previous output reload to RELOAD_FOR_INPUT.
1648
1649 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
1650
1651         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
1652         induc_vec_info_type.
1653         (vectorizable_induction): New function declaration.
1654         * tree-vect-transform.c (get_initial_def_for_induction): No need to
1655         check if already vectorized.  Find first place in BB where new stmts
1656         can be inserted.  Takes only one argument.
1657         (vectorizable_induction): New function.
1658         (vect_transform_stmt): Add case for induc_vec_info_type to call
1659         vectorizable_induction.
1660         (vect_transform_loop): Consider phis for vectorization.
1661         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
1662         condition.
1663         (analyze_operations): Call vectorizable_induction when analyzing phis.
1664         Fix comment.
1665         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
1666         (vect_mark_relevant): Include phis in relevance analysis.
1667         (vect_mark_stmts_to_be_vectorize): Likewise.
1668         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
1669
1670 2007-04-16  Lawrence Crowl  <crowl@google.com>
1671
1672         * doc/invoke.texi (Debugging Options): Add documentation for the
1673         -femit-struct-debug options -femit-struct-debug-baseonly,
1674         -femit-struct-debug-reduced, and
1675         -femit-struct-debug-detailed[=...].
1676
1677         * c-opts.c (c_common_handle_option): Add
1678         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
1679         and OPT_femit_struct_debug_detailed_.
1680         * c.opt: Add specifications for
1681         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
1682         and -femit-struct-debug-detailed[=...].
1683         * opts.c (set_struct_debug_option): Parse the
1684         -femit-struct-debug-... options.
1685         * opts.c (matches_main_base, main_input_basename,
1686         main_input_baselength, base_of_path, matches_main_base): Add
1687         variables and functions to compare header base name to compilation
1688         unit base name.
1689         * opts.c (should_emit_struct_debug): Add to determine to emit a
1690         structure based on the option.
1691         (dump_struct_debug) Also disabled function to debug this
1692         function.
1693         * opts.c (handle_options): Save the base name of the
1694         compilation unit.
1695
1696         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
1697         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
1698         This hook indicates if a type is generic.  Set it by default
1699         to "never generic".
1700         * langhooks.h (struct lang_hooks_for_types): Add a new hook
1701         to determine if a struct type is generic or not.
1702         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
1703         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
1704         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
1705         with live C++ hook.
1706
1707         * flags.h (enum debug_info_usage): Add an enumeration to describe
1708         a program's use of a structure type.
1709         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
1710         to indicate the program's usage of the type.  Filter structs based
1711         on the -femit-struct-debug-... specification.
1712         (gen_type_die): Split into two routines, gen_type_die and
1713         gen_type_die_with_usage.  gen_type_die is now a wrapper
1714         that assumes direct usage.
1715         (gen_type_die_with_usage): Replace calls to gen_type_die
1716         with gen_type_die_with_usage adding the program usage of
1717         the referenced type.
1718         (dwarf2out_imported_module_or_decl): Suppress struct debug
1719         information using should_emit_struct_debug when appropriate.
1720
1721 2007-04-16  Ian Lance Taylor  <iant@google.com>
1722
1723         PR tree-optimization/31522
1724         * tree-vrp.c (vr_phi_edge_counts): New static variable.
1725         (vrp_initialize): Allocate vr_phi_edge_counts.
1726         (vrp_visit_phi_node): Don't push to infinity if we saw a new
1727         executable edge.  Drop test for all constants.
1728         (vrp_finalize): Free vrp_phi_edge_counts.
1729
1730         * doc/cpp.texi (Common Predefined Macros): Clarify description of
1731         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1732
1733         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
1734         predecessors at head rather than tail.
1735
1736 2007-04-16  Matthias Klose  <doko@debian.org>
1737
1738         * config/alpha/linux.h (CPP_SPEC): Define.
1739         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
1740
1741 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
1742
1743         * function.h: Remove sequence_stack extern declaration.
1744
1745 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1746
1747         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
1748         TARGET_FIDOA.
1749         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
1750         defined.
1751
1752 2007-04-16  Anatoly Sokolov <aesok@post.ru>
1753
1754         * config/avr/avr.c (avr_arch_types): Rearranging  array.
1755         (enum avr_arch): Add.
1756         (avr_mcu_types): Use avr_arch enumeration constants instead of
1757         numbers.
1758         * config/avr/avr.h (LINK_SPEC): Simplify.
1759
1760 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1761
1762         * config/m68k/m68k.c (m68k_libcall_value,
1763         m68k_function_value): Use macros for register names more.
1764
1765         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
1766         instead.
1767         (M68K_REGNAME): Use A6_REG.
1768         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
1769
1770 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1771
1772         PR middle-end/28071
1773         * sched-int.h (struct deps): Split field 'pending_lists_length' into
1774         'pending_read_list_length' and 'pending_write_list_length'.  Update
1775         comment.
1776         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
1777         to handle two length counters instead of one.  Update all uses.
1778         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
1779         two length counters instead of one.
1780         * sched-rgn.c (propagate_deps): Update to handle two length counters
1781         instead of one.
1782
1783 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
1784
1785         PR target/31582
1786         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
1787         copy of source, pass it to ix86_expand_vector_set and return
1788         it as target.
1789
1790 2007-04-16  David Ung  <davidu@mips.com>
1791             Joseph Myers  <joseph@codesourcery.com>
1792
1793         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
1794         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
1795         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1796         Add 74K processor information.
1797         * config/mips/mips.md: Include 74k.md.
1798         (cpu): Add 74kc,74kf,74kx.
1799         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
1800         * config/mips/74k.md: New.
1801         * doc/invoke.texi (MIPS Options): Document 74K support.
1802
1803 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
1804
1805         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
1806         vectorizable_* functions.
1807         * tree-vect-transform.c (vectorizable_call): Add check for
1808         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
1809         (vectorizable_store): likewise.
1810         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
1811         Add comments.
1812         (vectorizable_operation, vectorizable_type_demotion): Likewise.
1813         (vectorizable_type_promotion, vectorizable_load): Likewise.
1814         (vectorizable_live_operation, vectorizable_condition): Likewise.
1815         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
1816         STMT_VINFO_LIVE_P.
1817         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
1818
1819 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1820
1821         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
1822         register numbers more.
1823         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
1824         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
1825         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
1826         FUNCTION_VALUE_REGNO_P): Likewise.
1827         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
1828         STATIC_CHAIN_REGNUM): Likewise.
1829         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
1830         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
1831         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
1832         * config/m68k/m68k.md (FP_REG): New.
1833
1834 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1835
1836         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
1837         alignment on fido.
1838
1839 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1840
1841         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
1842         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
1843         comment typos.
1844
1845 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1846
1847         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
1848         cold loops.
1849
1850 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1851
1852         PR c/31520
1853         * c-decl.c (finish_decl): Grab the type of the decl after the call
1854         to store_init_value.
1855
1856 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
1857
1858         * common.opt (fforward-propagate): Fix "Optimization" annotation.
1859
1860 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
1861
1862         PR c++/25874
1863         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1864         post dominators and cleanup cfg before returning.
1865
1866 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
1867
1868         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
1869         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
1870
1871 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
1872
1873         * config.gcc: Recognize fido.
1874         * config/m68k/m68k-devices.def (fidoa): New.
1875         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
1876         __mfido__.
1877         (FL_FIDOA, TARGET_FIDOA): New.
1878         * config/m68k/m68k.opt (mfidoa): New.
1879
1880 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1881
1882         PR middle-end/31322
1883         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
1884         when a personality function is used.
1885
1886 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
1887
1888         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
1889
1890 2007-04-13  Mike Stump  <mrs@apple.com>
1891
1892         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
1893         we can...
1894         * config/darwin.opt (fapple-kext): Make C++ only.
1895         * config/darwin.c (darwin_override_options): Remove code to ensure
1896         -fapple-kext is given for C++ only.
1897
1898 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
1899
1900         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1901         * config/mips/mips.c (override_options): Call
1902         SUBTARGET_OVERRIDE_OPTIONS, if defined.
1903
1904 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1905
1906         * config/i386/i386.opt (msvr3-shlib): Removed.
1907
1908         * doc/invoke.texi: Remove -msvr3-shlib.
1909
1910 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1911
1912         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
1913         with "popcnt" instruction.
1914
1915 2007-04-13  Richard Guenther  <rguenther@suse.de>
1916
1917         PR tree-optimization/21258
1918         * tree-vrp.c (compare_case_labels): New helper.
1919         (find_switch_asserts): New function.
1920         (find_assert_locations): Call it for SWITCH_EXPRs.
1921
1922 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
1923
1924         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
1925         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
1926         check is now implied in X87_FLOAT_MODE_P.
1927         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1928         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1929         (fix_trunc<mode>_i386_fisttp): Ditto.
1930         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1931         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1932         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1933         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1934         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1935         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1936         (unnamed_splitters): Ditto.
1937         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
1938         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
1939         FIRST_SSE_REG for local functions when SSE math is enabled or
1940         for functions with sseregparm attribute.
1941         (standard_80387_constant_p): Return -1 if mode is not
1942         X87_FLOAT_MODE_P.
1943         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
1944         (ix86_expand_compare): Ditto.
1945         (ix86_expand_carry_flag_compare): Ditto.
1946         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
1947         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
1948         DECIMAL_FLOAT_MODE_P.
1949         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
1950         of SCALAR_FLOAT_MODE_P.
1951         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
1952         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
1953         checks before FLOAT_MODE_P.
1954         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
1955         before FLOAT_MODE_P.
1956         [DIV]: Ditto.
1957         [NEG]: Ditto.
1958         [ABS]: Ditto.
1959         [SQRT]: Ditto.
1960         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
1961
1962 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
1963             Charles Wilson  <libtool@cwilson.fastmail.fm>
1964
1965         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
1966         (libgcc.mvars): Don't depend on them.
1967         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
1968         * exec-tool.in: New.
1969
1970 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
1971
1972         * doc/invoke.text (--help): Document --help=common.
1973
1974 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
1975
1976         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
1977
1978 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1979
1980         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
1981         * genemit.c (main): Emit #include "integrate.h".
1982         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
1983         (LOADGP_RTP): New mips_loadgp_style.
1984         * config/mips/mips.h: Include config/vxworks-dummy.h.
1985         (TARGET_RTP_PIC): New macro.
1986         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
1987         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
1988         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
1989         for TARGET_RTP_PIC.
1990         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
1991         -mvxworks-pic when using -mrtp and a PIC option.
1992         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
1993         for RTP PIC.
1994         (mips_symbolic_constant_p, mips_symbolic_address_p)
1995         (mips_symbol_insns): Handle SYMBOL_HALF.
1996         (override_options): Warn about -G and -mrtp being used together.
1997         Initialize mips_lo_relocs[SYMBOL_HALF].
1998         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
1999         (mips_emit_loadgp): Handle LOADGP_RTP.
2000         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
2001         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
2002         (tablejump): Handle function-relative case table entries if
2003         TARGET_RTP_PIC.
2004         * config/mips/predicates.md (symbol_ref_operand): New predicate.
2005
2006 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2007
2008         * config/mips/mips.md (load_call<mode>): Allow any general register.
2009         destination.
2010         (sibcall_value_internal, sibcall_value_multiple_internal)
2011         (call_value_internal, call_value_split, call_value_multiple_internal)
2012         (call_value_multiple_split): Remove constraints from operand 0.
2013
2014 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2015
2016         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
2017         rather than loadgp_noshared.
2018         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
2019         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
2020         gen_loadgp.
2021         * config/mips/mips.md (loadgp): Rename to...
2022         (loadgp_newabi): ...this.
2023         (loadgp_noshared): Rename to...
2024         (loadgp_absolute): ...this.
2025
2026 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2027
2028         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
2029         false for locally-binding symbols.
2030         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
2031
2032 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2033
2034         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
2035         (SYMBOL_GOT_PAGE_OFST): ...this.
2036         (SYMBOL_GOT_GLOBAL): Rename to...
2037         (SYMBOL_GOT_DISP): ...this.
2038         (SYMBOL_GOTOFF_GLOBAL): Rename to...
2039         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
2040         * config/mips/mips.c (mips_global_symbol_p): New function.
2041         (mips_symbol_binds_local_p): Likewise.
2042         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
2043         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
2044         and mips_symbol_binds_local_p.
2045         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
2046         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
2047         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
2048         SYMBOL_GOTOFF_DISP.
2049         (mips_ok_for_lazy_binding_p): New function.
2050         (mips_load_call_address, mips_expand_call): Use it.
2051         (mips_dangerous_for_la25_p): Likewise.
2052         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
2053         (*got_disp<mode>): Use got_disp_operand instead of
2054         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
2055         SYMBOL_GOTOFF_GLOBAL.
2056         (*got_page<mode>): Use got_page_ofst_operand instead of
2057         local_got_operand.
2058         * config/mips/predicates.md (const_call_insn_operand): Use
2059         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
2060         (global_got_operand): Rename to...
2061         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
2062         SYMBOL_GOT_GLOBAL.
2063         (local_got_operand): Rename to...
2064         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
2065         of SYMBOL_GOT_LOCAL.
2066
2067 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2068
2069         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
2070         TARGET_CALL_CLOBBERED_GP.
2071         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2072         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
2073         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
2074         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
2075         of TARGET_ABICALLS && !TARGET_NEWABI.
2076         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2077         * config/mips/mips.c (mips_load_call_address): Check
2078         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2079         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2080         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2081         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
2082         TARGET_ABICALLS && TARGET_NEWABI.
2083         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
2084         TARGET_ABICALLS.
2085         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
2086         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
2087         TARGET_ABICALLS && TARGET_NEWABI.
2088         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
2089         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
2090         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
2091         whether indirect calls must use $25.
2092         (mips_extra_live_on_entry): Check TARGET_GOT instead of
2093         TARGET_ABICALLS.
2094         * config/mips/mips.md (jal_macro): Check flag_pic and
2095         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
2096         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
2097         instead of TARGET_ABICALLS.
2098         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
2099         TARGET_ABICALLS && TARGET_OLDABI.
2100         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2101         (sibcall): In the comment above the define_insn, mention
2102         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
2103         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
2104         instead of TARGET_ABICALLS.
2105
2106 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2107
2108         * doc/md.texi (Blackfin family constraints): Document PA and PB.
2109         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
2110         (MACFLAGS_MATCH_P): New macro.
2111         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
2112         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
2113         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
2114         the other MACFLAG constants.
2115         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
2116         (flag_machi): Tighten constraints.  Renumber some of the operands.
2117         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
2118         output template.
2119         (flag_machi_parts_acconly): New pattern.
2120         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
2121         used.
2122         (flag_macinit1hi): Tighten constraints.
2123         (flag_mul_macv2hi_parts_acconly): New pattern.
2124
2125         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
2126         Use a more efficient implementation.
2127         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
2128         inline sequences when not optimizing for size.
2129
2130         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
2131         movhi_high2low): Delete, merge functionality into...
2132         (packv2hi): ... this pattern.
2133
2134         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
2135         * config/bfin/bfin.opt (msim): New option.
2136         (mcpu=): New option.
2137         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
2138         (bfin_cpu_t): Typedef of enum bfin_cpu.
2139         (bfin_cpu_type): New declaration.
2140         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
2141         -msim and -mcpu= options.
2142         (LIB_SPEC): Likewise.
2143         * config/bfin/bfin.c (bfin_cpu_type): Define.
2144         (bfin_handle_option): Handle -mcpu= option.
2145         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
2146         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
2147         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
2148
2149 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2150
2151         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
2152         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
2153         (powerpc-wrs-vxworksae): Use ${tm_file}.
2154         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
2155         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
2156         * config/i386/vx-common.h: New file.
2157
2158 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2159
2160         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
2161         of crt0.o%s.
2162
2163 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2164
2165         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
2166         ldxtr.
2167
2168 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
2169
2170         PR c++/31078
2171         PR c++/31103
2172         * c-common.c (c_build_qualified_type): Set canonical type
2173         appropriately.
2174
2175 2007-04-12  Richard Guenther  <rguenther@suse.de>
2176
2177         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
2178         lower bound and element size if lower bound is not zero
2179         or either of the ARRAY_REF operands is set.
2180
2181 2007-04-12  Richard Guenther  <rguenther@suse.de>
2182
2183         PR tree-optimization/24689
2184         PR tree-optimization/31307
2185         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
2186         indices by value.
2187         * gimplify.c (canonicalize_addr_expr): To be consistent with
2188         gimplify_compound_lval only set operands two and three of
2189         ARRAY_REFs if they are not gimple_min_invariant.  This makes
2190         it never at this place.
2191         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
2192
2193 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2194
2195         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
2196         null before emitting a .nsubspa directive.
2197
2198 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2199
2200         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
2201         need_to_partition_p if there are no memory statements in the
2202         function.
2203
2204 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2205
2206         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
2207         (gcd_of_steps_may_divide_p): New function.
2208         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
2209
2210 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2211
2212         * reload.c (find_reloads_toplev, find_reloads_address,
2213         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
2214         not a pointer equality test, to decide if we need to call
2215         push_reg_equiv_alt_mem.
2216
2217 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
2218
2219         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
2220         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
2221         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
2222
2223 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2224
2225         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
2226         vector to be positive.
2227
2228 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2229
2230         PR 30735
2231         PR 31090
2232         * doc/invoke.texi: Document --params max-aliased-vops and
2233         avg-aliased-vops.
2234         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
2235         debug_memory_partitions): Move to tree-flow.h
2236         * params.h (AVG_ALIASED_VOPS): Define.
2237         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
2238         users.
2239         (mp_info_t): Likewise.
2240         (get_mem_sym_stats_for): New.
2241         (set_memory_partition): Move from tree-flow-inline.h.
2242         (mark_non_addressable): Only clear the set of symbols for the
2243         partition if it exists.
2244         (dump_memory_partitions): Move from tree-ssa-operands.c
2245         (debug_memory_partitions): Likewise.
2246         (need_to_partition_p): New.
2247         (dump_mem_ref_stats): New.
2248         (debug_mem_ref_stats): New.
2249         (dump_mem_sym_stats): New.
2250         (debug_mem_sym_stats): New.
2251         (update_mem_sym_stats_from_stmt): New.
2252         (compare_mp_info_entries): New.
2253         (mp_info_cmp): Call it.
2254         (sort_mp_info): Change argument to a list of mem_sym_stats_t
2255         objects.
2256         (get_mpt_for): Move from tree-ssa-operands.c.
2257         (find_partition_for): New.
2258         (create_partition_for): Remove.
2259         (estimate_vop_reduction): New.
2260         (update_reference_counts): New.
2261         (build_mp_info): New.
2262         (compute_memory_partitions): Refactor.
2263         Document new heuristic.
2264         Call build_mp_info, update_reference_counts,
2265         find_partition_for and estimate_vop_reduction.
2266         (compute_may_aliases): Populate virtual operands before
2267         calling debugging dumps.
2268         (delete_mem_sym_stats): New.
2269         (delete_mem_ref_stats): New.
2270         (init_mem_ref_stats): New.
2271         (init_alias_info): Call it.
2272         (maybe_create_global_var): Remove alias_info argument.
2273         Get number of call sites and number of pure/const call sites
2274         from gimple_mem_ref_stats().
2275         (dump_alias_info): Call dump_memory_partitions first.
2276         (dump_points_to_info_for): Show how many times a pointer has
2277         been dereferenced.
2278         * opts.c (decode_options): For -O2 set --param
2279         max-aliased-vops to 500.
2280         For -O3 set --param max-aliased-vops to 1000 and --param
2281         avg-aliased-vops to 3.
2282         * fortran/options.c (gfc_init_options): Remove assignment to
2283         MAX_ALIASED_VOPS.
2284         * tree-flow-inline.h (gimple_mem_ref_stats): New.
2285         * tree-dfa.c (dump_variable): Dump memory reference
2286         statistics.
2287         Dump NO_ALIAS* settings.
2288         (referenced_var_lookup): Tidy.
2289         (mem_sym_stats): New.
2290         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
2291         and ORIG are different SSA names for a memory partition.
2292         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
2293         * tree-flow.h (struct mem_sym_stats_d): Define.
2294         (mem_sym_stats_t): Define.
2295         (struct mem_ref_stats_d): Define.
2296         (struct gimple_df): Add field mem_ref_stats.
2297         (enum noalias_state): Define.
2298         (struct var_ann_d): Add bitfield noalias_state.
2299         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
2300         debug_mem_ref_stats, debug_memory_partitions,
2301         debug_mem_sym_stats): Declare.
2302         * tree-ssa-structalias.c (update_alias_info): Update call
2303         sites, pure/const call sites and asm sites in structure
2304         returned by gimple_mem_ref_stats.
2305         Remove local variable IS_POTENTIAL_DEREF.
2306         Increase NUM_DEREFS if the memory expression is a potential
2307         dereference.
2308         Call update_mem_sym_stats_from_stmt.
2309         If the memory references memory, call
2310         update_mem_sym_stats_from_stmt for all the direct memory
2311         symbol references found.
2312         (intra_create_variable_infos): Set noalias_state field for
2313         pointer arguments according to the value of
2314         flag_argument_noalias.
2315         * tree-ssa-structalias.h (struct alias_info): Remove fields
2316         num_calls_found and num_pure_const_calls_found.
2317         (update_mem_sym_stats_from_stmt): Declare.
2318         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2319         Set default value to 100.
2320         (PARAM_AVG_ALIASED_VOPS): Define.
2321
2322 2007-04-11  Richard Guenther  <rguenther@suse.de>
2323
2324         PR middle-end/31530
2325         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2326         a * -b + c as c - a * b if we honor sign dependent rounding.
2327
2328 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2329
2330         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2331         bfin_expand_strmov.
2332         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2333         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2334         variables.
2335         (initialize_trampoline): Don't use old-style function definition.
2336         (bfin_secondary_reload): Mark IN_P argument as unused.
2337
2338 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
2339
2340         PR tree-optimization/31343
2341         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2342         (build_polynomial_chrec): Return a scalar when the evolution is zero.
2343         * testsuite/gcc.dg/vect/pr31343.c: New.
2344
2345 2007-04-10  Eric Christopher  <echristo@apple.com>
2346
2347         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
2348         * config/i386/i386.md (*cmpfp0): Use.
2349         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2350         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2351         (fix_trunc<mode>_i386_fisttp): Ditto.
2352         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2353         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2354         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2355         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2356         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2357         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2358         (unnamed_splitters): Ditto.
2359         * config/i386/i386.c (output_fix_trunc): Assert that
2360         we're not being passed a TFmode operand.
2361
2362 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
2363
2364         PR tree-optimization/31526
2365         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
2366         n_basic_blocks to find newly added blocks.
2367
2368 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
2369
2370         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
2371         alternative.
2372         (fix_trunc<mode>si_sse): Ditto.
2373         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
2374         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
2375         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
2376         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
2377         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
2378         expander using SSEMODEF mode macro.
2379         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2380         expander using SSEMODEF mode macro.
2381         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2382         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2383         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2384         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2385         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2386         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2387         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2388         Macroize insn using X87MODEF mode macro.
2389
2390 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2391
2392         * config/i386/sse.md (sse2_pinsrw): Removed.
2393         (sse2_pextrw): Renamed to ...
2394         (*sse2_pextrw): This.
2395
2396 2007-04-09  Jan Hubicka  <jh@suse.cz>
2397
2398         PR target/27869
2399         * config/i386/sse.md
2400         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
2401         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
2402         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
2403         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
2404
2405 2007-04-09  Jan Hubicka  <jh@suse.cz>
2406
2407         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
2408         multiple fields of union.
2409
2410 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
2411
2412         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
2413         (create_preheaders): Check that loops are available.
2414         (fix_loop_structure): Clean up, improve comments.
2415         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
2416         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
2417         state flags.
2418         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
2419         * predict.c (tree_estimate_probability): Do not call
2420         calculate_dominance_info.  Call create_preheaders.
2421         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
2422         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
2423         flags.
2424         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
2425         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
2426         * tree-cfg.c (tree_split_edge): Make an assert more precise.
2427         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
2428         arguments.
2429
2430 2007-04-08  Jan Hubicka  <jh@suse.cz>
2431
2432         * tree.h (maybe_fold_offset_to_component_ref): Declare.
2433         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
2434         * fold-const.c (fold_unary): Use it.
2435
2436 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2437
2438         * varasm.c (assemble_variable): Remove call to
2439         lang_hooks.decls.prepare_assemble_variable.
2440         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
2441         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
2442         * langhooks.h (lang_hooks_for_decls): Remove
2443         prepare_assemble_variable.
2444
2445 2007-04-08  Mike Stump  <mrs@apple.com>
2446
2447         * config/i386/i386.c: Use inc/dec on Core2.
2448
2449 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
2450
2451         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
2452         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2453         lhd_tree_inlining_end_inlining): Remove.
2454         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
2455         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
2456         end_inlining hooks.
2457         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
2458         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2459         lhd_tree_inlining_end_inlining): Remove prototypes.
2460         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
2461         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2462         LANG_HOOKS_TREE_INLINING_START_INLINING,
2463         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
2464
2465         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
2466         not set it.
2467
2468 2007-04-08  Anatoly Sokolov <aesok@post.ru>
2469
2470         PR target/29932
2471         * config/avr/predicates.md (io_address_operand): Delete predicate.
2472         (low_io_address_operand): Don't use 'mode' argument.
2473         (higth_io_address_operand): Rename ...
2474         (high_io_address_operand): ... to this. Don't use 'mode' argument.
2475         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
2476         for above change.
2477
2478 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
2479
2480         Revert change removing staticp.
2481
2482 2007-04-07  Anatoly Sokolov <aesok@post.ru>
2483
2484         PR target/30289
2485         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
2486         earlyclobber.
2487
2488 2007-04-07  Bruce Korb  <bkorb@gnu.org>
2489
2490         * c.opt: Add -Wformat-contains-nul.
2491         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
2492           -Wformat setting.
2493         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
2494         the NUL byte warning.
2495
2496 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
2497
2498         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
2499
2500 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2501
2502         * tree.c (staticp): No longer use staticp langhook.
2503         * langhooks.c (lhd_staticp): Removed.
2504         * langhooks.h (struct lang_hooks): Remove staticp.
2505         * c-common.c (c_staticp): Remove.
2506         * c-common.h (c_staticp): Ditto.
2507         * langhooks-defs.h (lhd_staticp): Ditto.
2508         (LHD_HOOKS_STATICP): Ditto
2509         * tree.h (gcc_assert_lowered): New macro.
2510
2511 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2512
2513         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
2514         argument "reliable".
2515         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
2516         Add argument "reliable".  Propagate it through calls.
2517         (infer_loop_bounds_from_undefined):  Derive number of iterations
2518         estimates from references in blocks that do not dominate loop latch.
2519         (gcov_type_to_double_int): New function.
2520         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
2521         and expected_loop_iterations_unbounded.
2522         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
2523         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
2524         * tree-data-ref.c (estimated_loop_iterations): Export.
2525         (get_references_in_stmt): Fix -- do not return addresses of local
2526         objects.
2527         * cfgloop.h (expected_loop_iterations_unbounded,
2528         estimated_loop_iterations): Declare.
2529
2530 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
2531
2532         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2533
2534 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2535
2536         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
2537         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
2538         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
2539         Use output_387_reg_move().
2540         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
2541         expander using X87MODEF12 mode macro.
2542         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
2543         choosing register preferences.  Use output_387_reg_move().
2544         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
2545         instead of "x".  Use output_387_reg_move().
2546         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
2547         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
2548         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
2549         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
2550         Use output_387_reg_move().
2551         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2552         mode macro.
2553         (*truncxf?f_i387 splitter): Ditto.
2554
2555 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2556
2557         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2558         LANG_HOOKS_SAFE_FROM_P.
2559         * expr.c (safe_from_p): Remove langhook call.
2560         * langhooks.h (lang_hooks): Remove safe_from_p.
2561         (lhd_safe_from_p): Remove prototype.
2562         * langhooks.c (lhd_safe_from_p): Remove.
2563
2564 2007-04-06  Jan Hubicka  <jh@suse.cz>
2565
2566         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2567         functions.
2568
2569 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2570
2571         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2572         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2573         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2574         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2575         alternative.
2576         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2577         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2578
2579 2007-04-05  Richard Henderson  <rth@redhat.com>
2580
2581         * config/alpha/alpha.c (print_operand) [+]: Remove.
2582         (alpha_end_function): Print nop if call at end of function.
2583         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2584         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2585         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2586         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2587         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2588         the call pattern. Update peepholes to match.
2589
2590 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
2591
2592         * doc/extend.texi (Other Builtins): Add decimal float variants
2593         of signbit.
2594         * builtins.def: Ditto.
2595         * builtins.c (expand_builtin): Ditto.
2596
2597 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
2598             H.J. Lu  <hongjiu.lu@intel.com>
2599
2600         PR target/31478
2601         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2602         of V8HImode when calling ix86_binary_operator_ok.
2603         (sse2_pmaddwd): Call ix86_binary_operator_ok.
2604         (sdot_prodv8hi): Operands 1 and 2 must be register.
2605
2606 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2607
2608         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2609         initialize align to silence bogus warning.
2610
2611 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2612
2613         PR middle-end/22156
2614         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2615         all_no_warning.
2616         (struct sra_walk_fns): Remove use_all parameter from use.
2617         (sra_hash_tree): Handle BIT_FIELD_REFs.
2618         (sra_elt_hash): Don't hash bitfld blocks.
2619         (sra_elt_eq): Skip them in parent compares as well.  Handle
2620         BIT_FIELD_REFs.
2621         (sra_walk_expr): Don't maintain or pass down use_all_p.
2622         (scan_use): Remove use_all parameter.
2623         (scalarize_use): Likewise.  Re-expand assignment to
2624         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2625         output, and re-scalarize after output.  Don't mark anything
2626         for no warning.
2627         (scalarize_ldst): Adjust.
2628         (scalarize_walk_gimple_modify_statement): Likewise.
2629         (build_element_name_1): Handle BIT_FIELD_REFs.
2630         (instantiate_element): Don't warn for any element whose parent
2631         is used as a whole.
2632         (instantiate_missing_elements_1): Return the sra_elt.
2633         (canon_type_for_field): New.
2634         (try_instantiate_multiple_fields): New.
2635         (instantiate_missing_elemnts): Use them.
2636         (mark_no_warning): Removed.
2637         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2638         (REPLDUP, sra_build_elt_assignment): New.
2639         (generate_copy_inout): Use them.
2640         (generate_element_copy): Likewise.  Handle bitfld differences.
2641         (generate_element_zero): Don't recurse for blocks.  Use
2642         sra_build_elt_assignment.
2643         (generate_one_element_int): Take elt instead of var.  Use
2644         sra_build_elt_assignment.
2645         (generate_element_init_1): Adjust.
2646         (scalarize_use, scalarize_copy): Use REPLDUP.
2647         (scalarize_ldst): Move assert before dereference.
2648         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2649
2650 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2651
2652         * regmove.c: Fix unused variable warnings due to previous commit.
2653
2654 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2655
2656         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
2657         (regmove_bb_head): Remove.
2658         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
2659         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
2660         problems with fixup_match_1.
2661         Don't initialize/free regmove_bb_head.
2662
2663         (reg_is_remote_constant_p): If an insn is in the same basic block
2664         but not before INSN, consider it remote, too.
2665
2666 2007-04-05  Anatoly Sokolov <aesok@post.ru>
2667
2668         PR target/25448
2669         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
2670         DECL_ASSEMBLER_NAME, not the DECL_NAME.
2671
2672 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
2673
2674         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
2675         (CONDITIONAL_REGISTER_USAGE): Likewise.
2676
2677 2007-04-04  Richard Henderson  <rth@redhat.com>
2678
2679         * config/alpha/lib1funcs.asm: Remove unused file.
2680
2681 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2682
2683         PR other/31356
2684         * opts.c (print_specific_help): Fix --help=<language>
2685         header line.
2686         (common_handle_option): Support --help=common.
2687
2688 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2689
2690         PR other/31353
2691         * gcc.c (main): Do not run the linker if
2692         print_subprocess_help indicates that it shouldn't be
2693         run.
2694
2695 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2696
2697         PR doc/31355
2698         * doc/invoke.texi (--help=): Document <languages> value, fix
2699         formatting in tables of values.
2700
2701 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
2702
2703         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
2704         dllimport attribute of virtual methods.
2705
2706 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
2707
2708         * config/score/crti.asm: Change _bss_start to __bss_start.
2709         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
2710         (OUTGOING_REG_PARM_STACK_SPACE) update.
2711         * config/score/score.opt: add options to make backend support
2712         score5, score5u, score7 and score7d.
2713         * config/score/score.md: Likewise.
2714         * config/score/misc.md: Likewise.
2715         * config/score/mac.md: Likewise.
2716         * doc/invoke.texi: Likewise.
2717         * doc/md.texi: update constraints define.
2718
2719 2007-04-03  Richard Henderson  <rth@redhat.com>
2720
2721         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
2722         an appropriate type, use the mode instead.
2723
2724 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
2725
2726         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
2727         Set the default --with-arch setting to mips2.
2728         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
2729         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
2730         (MULTILIB_OSDIRNAMES): Delete.
2731         (MULTILIB_DIRNAMES): Define.
2732         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
2733         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
2734         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
2735         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
2736         VXWORKS_OS_CPP_BUILTINS.
2737         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
2738         (MIPS_DEBUGGING_INFO): Undefine.
2739         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
2740
2741 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
2742
2743         PR middle-end/30704
2744         * fold-const.c (native_encode_real): Encode real.c provided longs
2745         as a series of 32-bit native integers.
2746         (native_interpret_real): Interpret buffer as a series of 32-bit
2747         native integers.
2748
2749 2007-04-03  Richard Guenther  <rguenther@suse.de>
2750
2751         * genpreds.c (write_insn_constraint_len): Write function
2752         optimized for CONSTRAINT_LEN implementation.
2753         (write_tm_preds_h): Output insn_constraint_len inline and
2754         use it for CONSTRAINT_LEN.
2755         (write_insn_preds_c): Don't output insn_constraint_len.
2756         * doc/md.texi (define_register_constraint): Document multi-letter
2757         constraints shall have the same length if they start with the same
2758         letter.
2759
2760 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2761
2762         PR target/31175
2763         * config/i386/i386.md (isinf<mode>2): Expand only when
2764         TARGET_C99_FUNCTIONS is set.
2765
2766 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2767
2768         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
2769         (x86_64-*-linux*): Ditto.
2770         * config/i386/i386.opt (mpc): New option.
2771         * config/i386/i386.c (overrride_options): Handle
2772         ix87_precision_string.
2773         * config/i386/crtprec.c: New file.
2774         * config/i386/t-crtpc: Ditto.
2775         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
2776         and -mpc80 options.
2777         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
2778         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2779         crtprec32.o, crtprec64.o and crtprec80.o.
2780
2781         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
2782         and -mpc80 options.
2783         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
2784
2785 2007-04-02  Eric Christopher  <echristo@apple.com>
2786
2787         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
2788         limitations on darwin.
2789
2790 2007-04-02  Anatoly Sokolov <aesok@post.ru>
2791
2792         PR target/31137
2793         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
2794
2795 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2796
2797         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
2798
2799 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2800
2801         * libgcc2.h (exception_descriptor): Don't forward-declare.
2802         (__get_eh_table_language, __get_eh_table_version): Delete
2803         prototypes of long-dead functions.
2804
2805 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
2806
2807         * ebitmap.h: New file
2808         * ebitmap.c: New file
2809         * Makefile.in (ebitmap.o): New target.
2810
2811 2007-04-01  Jan Hubicka  <jh@suse.cz>
2812
2813         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
2814         before very first instruction.
2815
2816 2007-04-01  Jan Hubicka  <jh@suse.cz>
2817
2818         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
2819         waring on 64bit hosts.
2820         * bitmap.h: Fix typo in bitmap_head_def.
2821
2822 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2823
2824         PR rtl-optimization/31391
2825         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
2826         into a DELETED_LABEL note, and the label is in an empty basic
2827         block, update BB_END as well as BB_HEAD.
2828
2829 2007-04-01  Richard Henderson  <rth@redhat.com>
2830
2831         PR tree-optimization/31169
2832         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
2833         to varying if the range is outside [0,  prec-1].
2834
2835 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
2836
2837         PR target/31388
2838         * config/mips/mips.md (load_const_gp): New insn.
2839         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
2840         the MIPS16 GP pseudo register if no_new_pseudos.
2841         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
2842
2843 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2844
2845         PR target/31364
2846         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
2847         secureplt.
2848         (call_value): Likewise.
2849
2850 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
2851             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2852
2853         PR 14737
2854         * doc/invoke.texi: (optimization options): Reword description
2855         of -ffast-math. Document its primary purpose.
2856
2857 2007-03-31  Richard Guenther  <rguenther@suse.de>
2858
2859         * omp-low.c (splay-tree.h): Include.
2860         (lookup_decl): Replace splay-tree usage by pointer-map.
2861         (maybe_lookup_decl): Likewise.
2862         (new_omp_context): Likewise.
2863         (delete_omp_context): Likewise.
2864         * gimplify.c (splay-tree.h): Include.
2865         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
2866         pointer-map.
2867         (remap_ssa_name): Likewise.
2868         (remap_decl): Likewise.
2869         (remap_type_1): Likewise.
2870         (remap_type): Likewise.
2871         (copy_body_r): Likewise.
2872         (expand_call_inline): Likewise.
2873         (clone_body): Likewise.
2874         (copy_tree_r): Likewise.
2875         (remap_save_expr): Likewise.
2876         (unsave_r): Likewise.
2877         (unsave_expr_now): Likewise.
2878         (tree_function_versioning): Likewise.
2879         (build_duplicate_type): Likewise.
2880         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
2881         (struct copy_body_data): Replace splay-tree by pointer-map.
2882         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
2883         not $(SPLAY_TREE_H).
2884         (gimplify.o): Depend on $(SPLAY_TREE_H).
2885         (omp-low.p): Likewise.
2886
2887 2007-03-31  Anatoly Sokolov <aesok@post.ru>
2888
2889         * config/avr/predicates.md (even_register_operand,
2890         odd_register_operand): New predicates.
2891         * config/avr/avr.md (movw peephole2): New.
2892         (movw_r peephole2): New.
2893
2894 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
2895
2896         * tree.h (get_signed_or_unsigned_type): New.
2897         * fold-const.c (operand_equal_for_comparison_p): Use
2898         get_signed_or_unsigned_type instead of
2899         lang_hooks.types.signed_or_unsigned_type.
2900         * expr.c (store_expr): Ditto.
2901         * langhooks.c (get_signed_or_unsigned_type): New.
2902         (lhd_signed_or_unsigned_type): New.
2903         * langhooks.h (lhd_signed_or_unsigned_type): New.
2904         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
2905
2906 2007-03-30  Richard Henderson  <rth@redhat.com>
2907
2908         * tree-ssa-loop-ivopts.c: Include target.h.
2909         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
2910         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
2911         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
2912         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
2913
2914 2007-03-30  Richard Henderson  <rth@redhat.com>
2915             Kai Tietz  <kai.tietz@onevision.com>
2916
2917         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
2918         default for 64-bit.
2919         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
2920         (TARGET_64BIT_MS_ABI): New.
2921         (DBX_REGISTER_NUMBER): Handle 64-bit.
2922         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
2923         (LONG_TYPE_SIZE): Force to 32.
2924         (REG_PARM_STACK_SPACE): New.
2925         (OUTGOING_REG_PARM_STACK_SPACE): New.
2926         (REGPARM_MAX, SSE_REGPARM_MAX): New.
2927         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2928         (STACK_BOUNDARY): Use 128 for 64-bit.
2929         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
2930         Add 64-bit implementation.
2931         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
2932         argument unused.
2933         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
2934         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
2935         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
2936         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
2937         (ix86_handle_cconv_attribute): Don't warn when ignoring if
2938         TARGET_64BIT_MS_ABI.
2939         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
2940         (ix86_pass_by_reference): Likewise.
2941         (ix86_function_value_regno_p): Likewise.
2942         (ix86_build_builtin_va_list): Likewise.
2943         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2944         (function_arg_advance_ms_64): New.
2945         (function_arg_advance): Call it.
2946         (function_arg_ms_64): New.
2947         (function_arg): Call it.
2948         (function_value_ms_64): New.
2949         (ix86_function_value_1): Call it.
2950         (return_in_memory_ms_64): New.
2951         (ix86_return_in_memory): Call it.
2952         (setup_incoming_varargs_ms_64): New.
2953         (ix86_setup_incoming_varargs): Call it.
2954         (ix86_expand_prologue): Handle 64-bit stack probing.
2955         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
2956         (output_pic_addr_const): Likewise.
2957         (x86_this_parameter): Likewise.
2958         (x86_output_mi_thunk): Likewise.
2959         (x86_function_profiler): Likewise.
2960         (TARGET_STRICT_ARGUMENT_NAMING): New.
2961         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
2962         (TARGET_64BIT_MS_ABI): New.
2963         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
2964         * config/i386/i386.md (allocate_stack_worker): Remove.
2965         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
2966         describe the clobber of eax without a match_scratch.
2967         (allocate_stack_worker_postreload): Remove.
2968         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
2969         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
2970         (allocate_stack_worker_rex64_postreload): Remove.
2971         (allocate_stack): Handle 64-bit.
2972         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
2973         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
2974         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
2975         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
2976         (STANDARD_STARTFILE_PREFIX_1): Likewise.
2977         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
2978         * config.build (x86_64-*-mingw*): New host.
2979         * config.host (x86_64-*-mingw*): New host.
2980         * config.gcc (x86_64-*-mingw*): New target.
2981         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
2982
2983 2007-03-30  Richard Henderson  <rth@redhat.com>
2984             Kai Tietz  <kai.tietz@onevision.com>
2985
2986         * c-pragma.c (struct def_pragma_macro_value): New.
2987         (struct def_pragma_macro): New.
2988         (pushed_macro_table): New.
2989         (dpm_hash, dpm_eq): New.
2990         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
2991         (init_pragma): Install them.
2992         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2993
2994 2007-03-30  Anatoly Sokolov <aesok@post.ru>
2995
2996         * config/avr/avr.c (avr_override_options): Clear
2997         'flag_delete_null_pointer_checks'.
2998
2999 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
3000
3001         PR c++/26099
3002         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
3003         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
3004         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
3005         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
3006         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
3007         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
3008         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
3009         C++ extensions.
3010         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
3011
3012 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
3013
3014         * regmove.c: Move all of pass_stack_adjustments from here...
3015         * combine-stack-adj.c: ...to this new file.
3016         * Makefile.in: Add rules for combine-stack-adj.o.
3017
3018 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
3019
3020         PR tree-optimization/31383
3021         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
3022         to have the same length.
3023
3024 2007-03-30  Jan Hubicka  <jh@suse.cz>
3025
3026         PR middle-end/30700
3027         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
3028         availablility; add more sanity checking; ask varpool only about
3029         VAR_DECL.
3030
3031 2007-03-29  Richard Henderson  <rth@redhat.com>
3032
3033         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
3034         to decide, but __SIZEOF_LONG_LONG__.
3035
3036 2007-03-29  Richard Henderson  <rth@redhat.com>
3037
3038         * emutls.c (struct __emutls_array): New.
3039         (emutls_destroy): Use it instead of casting element 0 from void*.
3040         (__emutls_get_address): Likewise.
3041
3042 2007-03-29  Richard Henderson  <rth@redhat.com>
3043
3044         * varasm.c (initializer_constant_valid_p): Don't deny
3045         DECL_DLLIMPORT_P on functions.
3046
3047         * config/i386/cygming.h: Remove function declarations.
3048         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
3049         (ASM_OUTPUT_LABELREF): Remove.
3050         (COMMON_ASM_OP): Remove.
3051         (ASM_OUTPUT_COMMON): Remove.
3052         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
3053         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
3054         (ASM_DECLARE_FUNCTION_NAME): Likewise.
3055         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
3056         Rename from TARGET_ENCODE_SECTION_INFO.
3057         * config/i386/netware.h: Likewise.
3058         * config/i386/i386-protos.h: Update.
3059         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
3060         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
3061         (legitimate_constant_p): Reject dllimports.
3062         (dllimport_map, get_dllimport_decl): New.
3063         (legitimize_dllimport_symbol): New.
3064         (legitimize_address, ix86_expand_move): Use it.
3065         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
3066         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
3067         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
3068         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
3069         * config/i386/predicates.md (constant_call_address_operand): Only
3070         accept symbols; reject dllimport_p symbols.
3071         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
3072         i386_pe_maybe_record_exported_symbol.
3073         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
3074         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
3075         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
3076         trust the setting of DECL_DLLIMPORT_P.
3077         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
3078         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
3079         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
3080         tidy the argument scanning loop.
3081         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
3082         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
3083         (i386_pe_strip_name_encoding): Remove.
3084         (i386_pe_binds_local_p): New.
3085         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
3086         (i386_pe_output_labelref): Remove.
3087         (i386_pe_asm_output_aligned_decl_common): New.
3088         (i386_pe_maybe_record_exported_symbol): Rename from
3089         i386_pe_record_exported_symbol; check for dllexported symbols.
3090
3091 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
3092
3093         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
3094         add comment explaining why vsnprintf cannot be used.
3095
3096 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
3097
3098         PR tree-optimization/30666
3099         * tree.c (build_complex_type): When creating type names for DWARF2
3100         debug info, create TYPE_DECLs for TYPE_NAME instead of
3101         IDENTIFIER_NODEs.
3102         (build_common_tree_nodes_2): Use build_complex_type when building
3103         predefined complex types, to preserve canonical types.
3104
3105 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3106
3107         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
3108         (noce_get_alt_condition): Look at it to determine whether to
3109         reverse the condition or not.
3110         (noce_get_condition): Substitute the truth for lies.
3111         (noce_find_if_block): Set the then_else_reversed field.
3112
3113 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
3114
3115         * config/fr30/fr30.md (movdi): Do not accept immediates as the
3116         destination of this insn.
3117         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
3118         than calling gen_rtx_SET directly.  Use r0 to hold the value of
3119         'address + 4' rather than a stack based temporary which can be
3120         mis-optimized away.
3121
3122 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3123
3124         * config/s390/s390.c (s390_secondary_input_reload_class,
3125         s390_secondary_output_reload_class): Functions removed.
3126         (s390_secondary_reload): New function.
3127         (TARGET_SECONDARY_RELOAD): Target macro defined.
3128         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
3129         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
3130         * config/s390/s390.md ("reload_outti", "reload_outdi",
3131         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
3132         "reload_out<mode>"): Expanders removed.
3133         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
3134         "reload<mode>_nonoffmem_out"): Expanders added.
3135
3136 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3137
3138         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
3139         SRC->DEST replacement failed anyway.
3140
3141 2007-03-28  Mike Stump  <mrs@apple.com>
3142
3143         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
3144         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
3145         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
3146
3147 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3148
3149         * config.gcc: Accept barcelona as a variant of amdfam10.
3150         * config/i386/i386.c (override_options): Likewise.
3151         * doc/invoke.texi: Likewise.
3152
3153 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
3154
3155         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
3156         offsets for BIT_FIELD_REF and COMPONENT_REF.
3157
3158 2007-03-28  Richard Guenther  <rguenther@suse.de>
3159
3160         * tree.c (is_global_var): Move ...
3161         * tree-flow-inline.h (is_global_var): ... here.
3162         * tree.h (is_global_var): Remove declaration.
3163
3164 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
3165
3166         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
3167         option.
3168         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
3169         * config/i386/i386.c (ix86_tune_features): Initialize new
3170         tuning option.
3171         * config/i386/predicates.md (promotable_binary_operator): Use
3172         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
3173
3174 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3175
3176         PR target/31380
3177         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
3178
3179 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
3180
3181         * config/fr30/fr30.md (movsi_internal): Change destination
3182         constraint from m to V and add m to the end.
3183
3184 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3185
3186         * config/sh/sh.md (movsi_i): Fix type attribute.
3187
3188 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3189
3190         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
3191         (movsf_ie): Likewise.
3192
3193 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3194
3195         * config.gcc: Add sh4-300 to multilib.
3196         * config/sh/t-mlib-sh4-300: New file.
3197
3198 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
3199
3200         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
3201         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
3202         fix_trunc<mode>di2.
3203         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
3204         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
3205         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
3206         "fixuns_trunctddi2"): Whitespace fix.
3207
3208 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3209
3210         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
3211         the definition of struct sh_args.
3212         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
3213         CALL_COOKIE_INT_REG_GET): Likewise.
3214
3215 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
3216
3217         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
3218         transformations are applied successfully.
3219
3220 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
3221
3222         * tree.c (tree_contains_struct): Permit 512 tree codes.
3223         * tree.h (tree_contains_struct): Ditto.
3224         (MAX_TREE_CODES): Ditto.
3225         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
3226         SPARE member to store remaining padding bits.
3227
3228 2007-03-27  Anatoly Sokolov <aesok@post.ru>
3229
3230         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
3231         architecture.
3232
3233 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
3234
3235         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
3236         * configure: Regenerate.
3237
3238         * configure: Regenerate using the correct version of autoconf.
3239
3240 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
3241
3242         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
3243         pointer regs.
3244         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
3245         regs to "__SP_L__" and "__SP_H__".
3246
3247 2007-03-27  Richard Guenther  <rguenther@suse.de>
3248
3249         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
3250         computations with it with a HOST_WIDE_INT variable.
3251
3252 2007-03-26  Mike Stump  <mrs@apple.com>
3253
3254         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
3255         objective-c-header, objective-c++-header and objc++-cpp-output
3256         support.
3257         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3258
3259 2007-03-26  Richard Henderson  <rth@redhat.com>
3260
3261         PR target/31361
3262         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
3263         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
3264         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
3265         IX86_BUILTIN_PSRLQ128): New.
3266         (ix86_init_mmx_sse_builtins): Add them.
3267         (ix86_expand_builtin): Expand them.
3268         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
3269         operand 2 be TImode.
3270         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
3271         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3272         _mm_srli_epi64): Mark __B const.
3273         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
3274         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
3275         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
3276         new two-vector shift builtins.
3277
3278 2007-03-26  Ian Lance Taylor  <iant@google.com>
3279
3280         PR tree-optimization/31345
3281         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
3282         [+INF, +INF(OVF)] into VARYING.
3283
3284 2007-03-26  Zack Weinberg  <zackw@panix.com>
3285
3286         * gengtype-parse.c: New file.
3287         * gengtype-yacc.y: Delete.
3288         * gengtype-lex.l: Don't include gengtype-yacc.h.
3289         Define YY_DECL and yyterminate appropriately for recursive
3290         descent parser.  yylval is now a string out-parameter to yylex.
3291         (HWS, EOID): New shorthand.
3292         (IWORD): Add a couple more types.
3293         (yylex): Add a setup stanza.  Remove the complex rules for
3294         detecting GTY'ed types and typedefs; replace with simple
3295         keyword detectors.  Adjust everything for the changed
3296         definition of yylval.  Ignore all pp-directives, not just #define.
3297         (yyerror): Delete.
3298         (parse_file): Rename yybegin; do not call yyparse.
3299         (yyend): New.
3300         * gengtype.c (xasprintf): Export again.
3301         (this_file): New.  Use everywhere __FILE__ was being used.
3302         (get_lang_bitmap): Special case types defined in gengtype.c.
3303         (do_typedef, new_structure): Suppress definition of certain types.
3304         (new_structure): Improve diagnostics of duplicate definitions.
3305         Make sure location_s is associated with input.h.
3306         (nreverse_pairs, define_location_structures): New functions.
3307         (main): Improve tagging of kludge types.  Remove old kludges
3308         for input.h types; use define_location_structures.
3309         * gengtype.h: Update prototypes.  Define token codes here.
3310         * Makefile.in: Remove all references to gengtype-yacc.
3311         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
3312         and gengtype.
3313         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3314         add GTY((skip)) to the field that's only conditionally there.
3315         * doc/install.texi: Document that Bison is no longer required
3316         unless building treelang.
3317
3318         * gengtype.c: Don't include gtyp-gen.h.
3319         (srcdir): Declare here.
3320         (base_files, lang_dir_names): Allocate dynamically.
3321         (gt_files, num_gt_files, num_lang_dirs): New globals.
3322         (measure_input_list, read_input_line, read_input_list)
3323         (set_lang_bitmap): New functions.
3324         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3325         simplify, relying on read_input_list to set up the bitmaps.
3326         (main): Arguments are no longer unused.  Check for correct number
3327         of command line arguments, set srcdir and srcdir_len, then call
3328         read_input_list, before doing anything else.  No need to worry
3329         about duplicates in main loop.
3330         * configure.ac: Simplify the calculation of all_gtfiles.
3331         Put language tags in there.  Don't set or substitute
3332         all_gtfiles_files_langs or all_gtfiles_files_frags.
3333         * Makefile.in: Revamp the way gengtype is invoked, now that it
3334         takes a file on its command line with a much simpler format.
3335         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3336         (GTFILES): Remove duplicates and C source files.
3337         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3338         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3339         * configure: Regenerate.
3340
3341         * gengtype.h: Remove all type definitions to gengtype.c; leave
3342         only definitions of options_p, type_p, and pair_p as opaque
3343         pointers.  Update prototypes.
3344         * gengtype.c: Many type definitions moved here from gengtype.h.
3345         Consolidate type definitions at the top of the file.
3346         (xvasprintf): Delete.
3347         (xasprintf): Make static.
3348         (create_nested_pointer_option): Add 'next' parameter.
3349         (create_field_all, create_field_at): New functions.
3350         (create_field): Now a thin wrapper around create_field_all.
3351         (create_optional_field): Rename create_optional_field_ and add
3352         line argument.  Original name is now a macro which supplies
3353         __LINE__.
3354         (oprintf): Use vsnprintf directly.
3355         (close_output_files): Use fatal rather than perror/exit.
3356         (note_def_vec, note_def_vec_alloc): Use create_field_at.
3357         (main): Set progname.  Don't use exit.
3358         * gengtype-yacc.y (struct_fields): Use create_field_at.
3359         (option, optionseqopt): Delete.
3360         (optionseq): Consolidate productions from option here so we
3361         can use the first argument to create_option.
3362
3363         * gengtype-lex.l: Distinguish unions from structures in the
3364         token type.  Don't call find_structure; return the tag as a string.
3365         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
3366         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
3367         Reorganize typedef_struct production accordingly.
3368         Use create_nested_ptr_option.
3369         * gengtype.c (create_nested_ptr_option): New function.
3370         * gengtype.h: Declare it.
3371
3372         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
3373         (string_type): Don't declare.
3374         (do_scalar_typedef): Declare.
3375         (create_scalar_type): Update prototype.
3376         * gengtype.c (string_type): Make static.
3377         (scalar_nonchar, scalar_char): New.
3378         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
3379         (resolve_typedef): Use scalar_nonchar for error recovery.
3380         (create_scalar_type): Remove name_len field.  Return scalar_char
3381         or scalar_nonchar as appropriate.
3382         (adjust_field_type): Look at scalar_is_char boolean to decide whether
3383         to use string_type.
3384         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3385         whenever possible.
3386         (main): Initialize scalar_char and scalar_nonchar before calling
3387         gen_rtx_next.
3388         * gengtype-lex.l: Adjust for removal of second argument to
3389         create_scalar_type.  Use yylval.s instead of yylval.t when
3390         returning SCALAR.
3391         * gengtype-yacc.y: Type of SCALAR is string.  Call
3392         create_scalar_type from type:SCALAR rule.  Adjust for removal of
3393         second argument to create_scalar_type.
3394
3395         * vec.h: Remove all #if IN_GENGTYPE blocks.
3396         Add comment saying that changes may require adjustments to gengtype.
3397         * gengtype.c: Don't include coretypes.h or tm.h.
3398         Add comment to inclusion of errors.h.
3399         (note_def_vec, note_def_vec_alloc): New functions.
3400         * gengtype.h: Declare new functions.
3401         * gengtype-lex.l: Don't include coretypes.h.
3402         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
3403         Delete.
3404         (update_lineno): Remove unnecessary prototype.
3405         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
3406         (VEC rule): Just return VEC_TOKEN.
3407         * gengtype-yacc.y (VEC_TOKEN): New token type.
3408         (type): Add a production for VEC(a,b).
3409         * Makefile.in: Update dependencies.
3410
3411         * gengtype-lex.l: Remove rules for parsing pointer-to-function
3412         typedefs that use the old PARAMS macro.
3413
3414         * gengtype-lex.l: Remove all rules and states relating to yacc
3415         input files.
3416         * gengtype-yacc.y: Similarly.
3417         * gengtype.c (note_yacc_type): Delete function.
3418         * gengtype.h: Update prototypes.
3419
3420 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
3421
3422         * tree-pretty-print.c (dump_generic_node): Report precision of
3423         unnamed integer types.
3424
3425 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
3426
3427         * ifcvt.c (noce_try_store_flag_constants): Don't check
3428         no_new_pseudos here.
3429         (noce_try_store_flag_constants): Don't check no_new_pseudos.
3430         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
3431         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
3432         noce_try_sign_mask): Likewise.
3433         (if_convert): Check no_new_pseudos here.
3434
3435         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
3436         Remove prototypes.
3437         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
3438         (noce_get_condition): Handle new then_else_reversed argument.
3439         (noce_init_if_info): Remove, fold into noce_find_if_block.
3440         (noce_process_if_block): Take a struct noce_if_info as the
3441         argument.  Don't set up one based on ce_if_info.  Update pointer
3442         references accordingly.
3443         (cond_move_process_if_block): Likewise.
3444         (process_if_block): Removed.
3445         (find_if_block): Removed.  Move functionality two new functions,
3446         noce_find_if_block and cond_exec_find_if_block.
3447         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
3448         blocks and the symmetric IF-ELSE-JOIN case.
3449         (cond_exec_find_if_block): Also new function mostly based on old
3450         find_if_block and process_if_block.
3451         (find_if_header): Replace find_if_block call with separately
3452         guarded calls to noce_find_if_block and cond_exec_find_if_block.
3453         (find_cond_trap): Update noce_get_condition call.
3454         (dead_or_predicable): Likewise.
3455
3456 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
3457
3458         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
3459         Remove.
3460         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
3461         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
3462         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
3463         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
3464         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
3465         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
3466         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
3467         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
3468         __builtin_ia32_psrad128 builtins.
3469
3470 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
3471
3472         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
3473         * config/i386/constraints.md
3474         (define_constraint "I"): Use IN_RANGE macro.
3475         (define_constraint "J"): Ditto.
3476         (define_constraint "K"): Ditto.
3477         (define_constraint "M"): Ditto.
3478         (define_constraint "N"): Ditto.
3479         (define_constraint "O"): Ditto.
3480         * config/i386/predicates.md
3481         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
3482         (define_predicate "const_0_to_3_operand"): Ditto.
3483         (define_predicate "const_0_to_7_operand"): Ditto.
3484         (define_predicate "const_0_to_15_operand"): Ditto.
3485         (define_predicate "const_0_to_63_operand"): Ditto.
3486         (define_predicate "const_0_to_255_operand"): Ditto.
3487         (define_predicate "const_1_to_31_operand"): Ditto.
3488         (define_predicate "const_2_to_3_operand"): Ditto.
3489         (define_predicate "const_4_to_7_operand"): Ditto.
3490
3491 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3492
3493         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
3494         in SImode for save_world.
3495         * config/rs6000/altivec.md (save_world, restore_world): Convert to
3496         LR hard reg.
3497
3498 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
3499
3500         PR tree-optimization/30784
3501         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
3502         BIT_FIELD_REF.
3503
3504 2007-03-25  Revital Eres  <eres@il.ibm.com>
3505
3506         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
3507           Fold movement_possibility function into it.
3508
3509 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3510
3511         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
3512         (load_macho_picbase_{si,di}): Convert to LR hard reg.
3513         (call_indirect_nonlocal_darwin64): Same.
3514         (call_nonlocal_darwin64): Same.
3515         (call_value_indirect_nonlocal_darwin64): Same.
3516         (call_value_nonlocal_darwin64): Same.
3517         (sibcall_nonlocal_darwin64): Same.
3518         (sibcall_value_nonlocal_darwin64): Same.
3519         (sibcall_symbolic_64): Same.
3520         (sibcall_value_symbolic_64): Same.
3521         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
3522         LR pseudo.
3523         (rs6000_emit_load_toc_table): Same.
3524         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
3525         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
3526         (mull_call): Same.
3527         (divss_call): Same.
3528         (divus_call): Same.
3529         (quoss_call): Same.
3530         (quous_call): Same.
3531         (load_toc_v4_pic_si): Same
3532         (load_toc_v4_PIC_1): Same.
3533         (load_toc_v4_PIC_1b): Same.
3534         (call_indirect_aix{32,64}): Same.
3535         (call_value_indirect_aix{32,64}): Same.
3536         (call): Same.
3537         (call_value): Same.
3538         (call_local{32,64}): Same.
3539         (call_value_local{32,64}): Same.
3540         (call_indirect_nonlocal_aix{32,64}): Same.
3541         (call_nonlocal_aix{32,64}): Same.
3542         (call_value_indirect_nonlocal_aix{32,64}): Same.
3543         (call_value_nonlocal_aix{32,64}): Same.
3544         (call_indirect_nonlocal_sysv<mode>): Same.
3545         (call_nonlocal_sysv<mode>): Same.
3546         (call_value_indirect_nonlocal_sysv<mode>): Same.
3547         (call_value_nonlocal_sysv<mode>): Same.
3548         (sibcall): Same.
3549         (sibcall_local{32,64}): Same.
3550         (sibcall_value_local{32,64}): Same.
3551         (sibcall_nonlocal_aix{32,64}): Same.
3552         (sibcall_value_nonlocal_aix{32,64}): Same.
3553         (sibcall_nonlocal_sysv<mode>): Same.
3554         (sibcall_value): Same.
3555         (sibcall_value_nonlocal_sysv<mode>): Same.
3556
3557 2007-03-24  Paul Brook  <paul@codesourcery.com>
3558
3559         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3560         * config/arm/linux-eabi.h: Remove legacy syscall hack.
3561
3562 2007-03-24  Richard Henderson  <rth@redhat.com>
3563
3564         * config/ia64/constraints.md: New file.
3565         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3566         satisfies_constraint_?.
3567         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3568         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3569         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3570         ia64_output_mi_thunk): Likewise.
3571         (ia64_const_ok_for_letter_p): Remove.
3572         (ia64_const_double_ok_for_letter_p): Remove.
3573         (ia64_extra_constraint): Remove.
3574         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3575         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3576         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3577         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3578         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3579         EXTRA_MEMORY_CONSTRAINT): Remove.
3580         * config/ia64/ia64.md: Include constriants.md.  Replace
3581         CONST_OK_FOR_? with satisfies_constraint_?.
3582
3583 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
3584             H.J. Lu  <hongjiu.lu@intel.com>
3585
3586         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3587         DPD or BID name.
3588         (name macros): Use DPD_BID_NAME to convert names properly.
3589
3590         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3591         decimal floating point format.
3592         (init_floating_libfuncs): Change decimal functions so that they
3593         have a "bid_" prefix if the decimal system uses the BID format,
3594         and "dpd_" prefix if the decimal system uses the DPD format.
3595         (init_interclass_conv_libfuncs): Ditto.
3596         (init_intraclass_conv_libfuncs): Ditto.
3597
3598         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3599         using the BID format.
3600
3601         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3602         whether we are using the BID decimal format.
3603         * configure: Regenerate.
3604
3605         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3606         the compiler has decimal floating point enabled.  Define
3607         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3608         instead of DPD.
3609
3610         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3611         using the BID format.
3612
3613         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3614         whether we are using the BID decimal format.
3615         * configure: Regenerate.
3616
3617         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3618         the compiler has decimal floating point enabled.  Define
3619         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3620         instead of DPD.
3621
3622         * doc/install.texi (--enable-decimal-float): Document BID and DPD
3623         options, and that it is enabled for i386/x86_64 systems.
3624
3625         * Makefile.in (enable_decimal_float): New.
3626         (DECNUMFMT): New.
3627         (DECNUMINC): Add  -I$(DECNUMFMT).
3628         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
3629         to $(DECNUMFMT) from $(DECNUM).
3630
3631         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
3632         Substitute enable_decimal_float.
3633         * configure: Regenerated.
3634
3635         PR other/30529
3636         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
3637         unsigned long.
3638
3639         * configure.ac: Enable decimal float for x86_64-*-linux*.
3640         * configure: Regenerated.
3641
3642         PR other/30530
3643         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
3644         decimal128ClearSign to flip and clear the sign bit in decimal128.
3645         (decimal_real_maxval): Set decimal128SetSign to set the sign
3646         bit in decimal128.
3647
3648 2007-03-23  Ian Lance Taylor  <iant@google.com>
3649
3650         * fold-const.c (fold_binary): Correct warning for X - c >= X.
3651
3652 2007-03-23  Ian Lance Taylor  <iant@google.com>
3653
3654         * tree-dump.c (dump_files): Correct comment.
3655
3656 2007-03-23  Ian Lance Taylor  <iant@google.com>
3657
3658         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
3659
3660 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
3661
3662         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
3663         in cfglayout mode.  Don't go into and out of cfglayout mode.
3664         Link the blocks in the order of the constructed traces.
3665         (rest_of_handle_tracer): Adjust call to tracer.
3666         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
3667         Don't go into cfglayout mode.
3668         (rtl_loop_done): Don't go out of cfglayout mode.
3669         * cfglayout.c (relink_block_chain): New function, split out from...
3670         (fixup_reorder_chain): ...here.  Remove redundant checking.
3671         (cfg_layout_finalize): Don't clear the header, footer, and aux
3672         fields here, move the code to do so to relink_block_chain.  Likewise
3673         for free_original_copy_tables.
3674         * rtl.h (tracer): Update prototype.
3675         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
3676         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
3677         mode.  Use relink_block_chain to serialize the CFG according to the
3678         new basic block order.  Move targetm.cannot_modify_jumps_p check from
3679         here...
3680         (gate_handle_reorder_blocks): ...to here.
3681         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
3682         from here...
3683         (gate_duplicate_computed_gotos): ...to here.
3684         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
3685         something always changes when going into and out of cfglayout mode.
3686         Perform an expensive cfg cleanup while going into cfglayout mode.
3687         Always update liveness information on HAVE_conditional_execution
3688         targets.  Reserialize the basic blocks and go out of cfglayout mode.
3689         * reg-stack.c: Include cfglayout.h.
3690         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
3691         the call to reorder_basic_blocks.
3692         * basic-block.h (reorder_basic_blocks): Update prototype.
3693         (relink_block_chain): New prototype.
3694         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
3695
3696 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
3697
3698         * config/mips/mips.md (type, hazard, *movdi_32bit,
3699         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
3700         *movhi_internal, *movqi_internal, *movsf_hardfloat,
3701         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
3702         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
3703         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
3704         applicable.
3705         (movcc): Change first xfer to multi.
3706         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
3707         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
3708         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
3709         config/mips/generic.md: Change reservations using "xfer" to use
3710         "mfc,mtc".
3711         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
3712         using match_operand.
3713         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
3714         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
3715         examining mode.
3716         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
3717
3718 2007-03-22  Richard Henderson  <rth@redhat.com>
3719
3720         * config/i386/i386.c: Remove unnecessary function declarations.
3721         Move targetm definition, and all related macros, to the end of
3722         the file.  Resort some functions to put definitions before uses.
3723         (ix86_attribute_table): Make static.  Move to end of file.
3724         (ix86_gimplify_va_arg): Make static.
3725
3726 2007-03-22  Richard Henderson  <rth@redhat.com>
3727
3728         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
3729         don't increase local_regparm with force_align_arg_pointer check.
3730         (ix86_function_sseregparm): Assert 32-bit.
3731         (type_has_variadic_args_p): New.
3732         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
3733         type_has_variadic_args_p.
3734         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
3735         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
3736         use memset instead.  Do maybe_vaarg check first; skip attribute
3737         tests if true; skip attribute tests for 64-bit.
3738         (construct_container): Remove TARGET_DEBUG_ARG.
3739         (function_arg_advance_32, function_arg_advance_64): Split out ...
3740         (function_arg_advance): ... from here.
3741         (function_arg_32, function_arg_64): Split out ...
3742         (function_arg): ... from here.
3743         (ix86_pass_by_reference): Tidy.
3744         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
3745         (function_value_32): New, from parts of ix86_function_value
3746         and ix86_value_regno.
3747         (function_value_64): New, from parts of ix86_function_value
3748         and ix86_libcall_value.
3749         (ix86_function_value_1): New.
3750         (ix86_function_value, ix86_libcall_value): Use it.
3751         (return_in_memory_32, return_in_memory_64): Split out ...
3752         (ix86_return_in_memory): ... from here.
3753         (ix86_struct_value_rtx): Skip for 64-bit.
3754         (ix86_libcall_value, ix86_value_regno): Remove.
3755         (setup_incoming_varargs_64): Split out ...
3756         (ix86_setup_incoming_varargs): ... from here.
3757         (ix86_va_start): Remove TARGET_DEBUG_ARG.
3758         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
3759         * config/i386/i386-protos.h (ix86_function_value): Remove.
3760         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
3761
3762 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3763
3764         PR other/23572
3765         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
3766         infinities not supported, otherwise emit warning if -Woverflow. On
3767         underflow, emit warning if -Woverflow.
3768         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
3769         and 0 otherwise.
3770         * real.h (real_from_string): Update declaration
3771
3772 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
3773             Richard Henderson  <rth@redhat.com>
3774
3775         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
3776         * calls.c (compute_argument_block_size, expand_call,
3777         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
3778         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
3779         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
3780         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
3781         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
3782         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
3783         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
3784         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
3785         Set to 1.
3786
3787 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
3788
3789         * c-incpath.c (add_sysroot_to_chain): New.
3790         (merge_include_chains): Add sysroot argument.  Call
3791         add_sysroot_to_chain if sysrooted.
3792         (register_include_chains): Update call to merge_include_chains.
3793         * doc/cppopts.texi: Document use of '=' in include directory
3794         arguments.
3795
3796 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
3797
3798         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
3799         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
3800         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
3801         insn pattern using X87MODEF12 mode macro.
3802
3803 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
3804
3805         * regmove.c (regmove_optimize): Use reg_mentioned_p
3806         instead of reg_overlap_mentioned_p for DST.
3807
3808 2007-03-21  Mike Stump  <mrs@apple.com>
3809
3810         * c.opt: Fixup for Objective-C/C++.
3811
3812 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
3813
3814         * explow.c (convert_memory_address): Fold memory reference when
3815         POINTERS_EXTEND_UNSIGNED < 0
3816
3817 2007-03-21  Richard Henderson  <rth@redhat.com>
3818
3819         PR target/31245
3820         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
3821         * config/i386/mmintrin.h (__m64): Likewise.
3822         * config/i386/xmmintrin.h (__m128): Likewise.
3823
3824 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3825
3826         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
3827         (VXWORKS_OS_CPP_BUILTINS): Define.
3828         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
3829         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
3830
3831 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3832
3833         * rtl.h (constant_pool_reference_p): Delete.
3834         (find_constant_src): Declare.
3835         * rtlanal.c (find_constant_src): New function.
3836         * simplify-rtx.c (constant_pool_reference_p): Delete.
3837         * config/i386/i386.md: Use find_constant_src instead of
3838         constant_pool_reference_p/avoid_constant_pool_reference pairs.
3839
3840 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3841
3842         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
3843         * c-cppbuiltin.c (c_cpp_builtins): Define them.
3844
3845 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
3846
3847         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
3848         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
3849         (arm_elf_asm_constructor): Use it.
3850         (arm_elf_asm_destructor): New function.
3851
3852 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3853
3854         * jump.c (mark_jump_label): Treat SEQUENCE specially.
3855
3856 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
3857
3858         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
3859
3860 2007-03-19  Andrew Haley  <aph@redhat.com>
3861
3862         PR tree-optimization/31264
3863         * tree-vrp.c (register_edge_assert_for_1): Don't look though
3864         VIEW_CONVERT_EXPRs.
3865
3866 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
3867
3868         PR rtl-optimization/30907
3869         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
3870         (fwprop_init): Always call loop_optimizer_initialize.
3871         (fwprop_done): Always call loop_optimizer_finalize.
3872         (fwprop): We always have loop info now.
3873         (gate_fwprop_addr): Remove.
3874         (pass_fwprop_addr): Use gate_fwprop as gate.
3875
3876         PR rtl-optimization/30841
3877         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
3878         df_chain_alloc): Call df_reorganize_refs unconditionally.
3879         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
3880         refs_organized to refs_organized_size.
3881         (df_ref_create_structure): Use refs_organized_size instead of
3882         bitmap_size if refs had been organized, and keep refs_organized_size
3883         up-to-date.
3884         * df.h (struct df_ref_info): Change refs_organized to
3885         refs_organized_size.
3886         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
3887         bitmap_size.
3888
3889 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
3890
3891         * except.c (output_function_exception_table): Do not reference the
3892         EH personality routine for functions that do not require an
3893         exception table.
3894
3895 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
3896
3897         PR c/30762
3898         * c-typeck.c (convert_for_assignment): Call comptypes for
3899         RECORD_TYPE or UNION_TYPE.
3900
3901         PR inline-asm/30505
3902         * reload1.c (reload): Do invalid ASM checking after
3903         cleanup_subreg_operands.
3904
3905 2007-03-19  Jeff Law  <law@redhat.com>
3906
3907         * tree-cfg.c (find_taken_edge): Tighten conditions for
3908         optimizing computed gotos.
3909
3910 2007-03-19  Michael Matz  <matz@suse.de>
3911
3912         * builtins.c (expand_builtin_sync_operation,
3913         expand_builtin_compare_and_swap,
3914         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
3915         correctly.
3916
3917         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
3918         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
3919         for operand 3.
3920
3921 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3922
3923         * doc/tm.texi: Add brackets around the return type of
3924         TARGET_SECONDARY_RELOAD.
3925
3926 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3927         Richard Guenther  <rguenther@suse.de>
3928
3929         PR tree-optimization/31254
3930         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3931         Use handled_component_p () where appropriate.  Continue
3932         propagating into the rhs if we propagated into an INDIRECT_REF
3933         on the lhs.
3934
3935 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3936
3937         * config/s390/s390.md (op_type attribute): RRR instruction type added.
3938         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
3939         (xde, xdee): Mode attributes adjusted to support DFP modes.
3940         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
3941         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
3942         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
3943         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
3944         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
3945         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3946         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
3947         numbers.
3948         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
3949         "movsf"): Insn definitions removed.
3950         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
3951         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
3952         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
3953         definitions added.
3954         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
3955         "reload_in<mode>", "reload_out<mode>"): Expander added.
3956         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
3957         Expander removed.
3958
3959 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3960
3961         * config/s390/s390.md: Only non-functional changes.  Renamed
3962         FPR mode macro to BFP all over the file.
3963
3964 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3965
3966         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
3967         (op_type attribute): RRF instruction type added.
3968         (fT0): New mode attribute.
3969         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3970         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
3971         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
3972         no secondary memory is needed when moving DFmode values between GPRs
3973         and FPRs.
3974
3975 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3976
3977         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
3978         inverted and documentation adjusted.
3979         ("mhard-dfp", "msoft-dfp"): New options.
3980         * config/s390/s390.c (s390_handle_arch_option): New architecture
3981         switch: z9-ec.
3982         (override_options): Sanity checks for the new options added.
3983         * config.gcc: New architecture switch: z9-ec.
3984         * config/s390/s390.h (processor_flags): PF_DFP added.
3985         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
3986         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
3987         when the bit is NOT set so remove it from the defaults.
3988
3989 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3990
3991         * genemit.c (main): Print include statement for dfp.h.
3992         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
3993         is not available.
3994
3995 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3996
3997         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
3998
3999 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4000
4001         PR target/31022
4002         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
4003         instead of PATTERN.
4004
4005 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4006
4007         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
4008         attr_length_call, output_call, output_indirect_call): Cleanup
4009         formatting of targetm calls.
4010
4011 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4012
4013         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
4014
4015 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4016
4017         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
4018         reservation, bypass and anti-bypass descriptions for these instructions.
4019         Update move patterns.
4020         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
4021         TYPE_FPSTORE.
4022
4023 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
4024
4025         * tree-vect-transform.c (get_initial_def_for_induction): Replace
4026         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
4027         (get_initial_def_for_reduction): Likewise.
4028
4029 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
4030
4031         Fix PR tree-optimization/29922
4032         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
4033         (get_representative): Removed.
4034         (value_dies_in_block_x): Update for rvuse removal.
4035         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
4036         (compute_antic_aux): Handle when PHI nodes appear in
4037         non-single-successors.
4038         (dump_bitmap_of_names): Removed.
4039         (compute_antic_safe): Renamed and removed rvuse calculation.
4040         Calculate only antic safe.
4041         (insert_into_preds_of_block): Remove assert.
4042         (execute_pre): Update for renamed functions.
4043         (defer_or_phi_translate_block): New function.
4044
4045 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4046
4047         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
4048         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
4049         typos.
4050         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
4051         Follow spelling conventions.
4052
4053         * tree-data-ref.h: Remove the prototype for analyze_array.
4054
4055 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
4056
4057         PR tree-optimization/31041
4058         * tree-vect-transform.c (get_initial_def_for_induction): Call
4059         force_gimple_operand.
4060
4061 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
4062
4063         * ipa-type-escape.c (look_for_casts) : Revert code to use
4064         handled_component_p due to ada test a-numaux.adb.
4065
4066 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4067
4068         * final.c (final_scan_insn): Alter the condition of a
4069         conditional trap if we have nonstandard CC.
4070
4071 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4072
4073         * configure.ac: Remove excess quoting from asm line 0 test.
4074         * configure: Rebuilt.
4075
4076 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4077
4078         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
4079         * c-common.c (convert_and_check): Move warning logic to...
4080         (warnings_for_convert_and_check): ...here. Define.
4081         * c-common.h (warnings_for_convert_and_check): Declare.
4082
4083 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4084
4085         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
4086         (output_call): Likewise.
4087
4088 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4089
4090         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
4091
4092 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4093
4094         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
4095
4096 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
4097
4098         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
4099         opteron, athlon-64 and athlon-fx processor_alias_table entries.
4100
4101 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
4102
4103         PR tree-optimization/31183
4104         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
4105         Use double_int instead of unsigned int for representing access_strides.
4106         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
4107
4108 2007-03-16  Richard Guenther  <rguenther@suse.de>
4109
4110         PR tree-optimization/31146
4111         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
4112         to allow recursion of forward_propagate_addr_expr.
4113         (forward_propagate_addr_into_variable_array_index): Likewise.
4114         (forward_propagate_addr_expr): Likewise.
4115         (tree_ssa_forward_propagate_single_use_vars): Likewise.
4116         (forward_propagate_addr_expr_1): Recurse on simple copies
4117         instead of propagating into them.  Do so for useless conversions
4118         as well.
4119         (forward_propagate_addr_expr): Clean up unused statements after
4120         recursion.
4121
4122 2007-03-16  Richard Guenther  <rguenther@suse.de>
4123
4124         * builtins.c (expand_builtin_cexpi): Use the right argument
4125         for the expansion via cexp.
4126
4127 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4128
4129         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
4130         * configure: Rebuilt.
4131
4132 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4133
4134         PR debug/29906
4135         * dwarf2out.c (force_type_die): Adjust comment.
4136         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
4137
4138 2007-03-15  DJ Delorie  <dj@redhat.com>
4139
4140         * config/frv/predicates.md (minmax_operator): Don't check operands
4141         here.
4142
4143 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4144
4145         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
4146         Update constant estimates of number of iterations.
4147         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
4148         argument renamed to "realistic".
4149         (compute_estimated_nb_iterations): Removed.
4150         (record_niter_bound): New function.
4151         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
4152         call record_nonwrapping_iv with upper = false.
4153         (infer_loop_bounds_from_signedness): Pass upper argument to
4154         record_nonwrapping_iv.
4155         (estimate_numbers_of_iterations_loop): Do not call
4156         compute_estimated_nb_iterations.  Record estimate based on profile
4157         information.  Initialize the constant estimates of number of
4158         iterations.
4159         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
4160         estimates.
4161         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
4162         number of iterations is too small.
4163         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
4164         (EST_NOT_AVAILABLE): Removed.
4165         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
4166         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
4167         fields.
4168
4169 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4170
4171         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
4172         Handle NE_EXPR guards.
4173
4174 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4175
4176         PR c++/24924
4177         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
4178         Set also -pedantic-errors by default for the  preprocessor unless
4179         -fpermissive is given.
4180
4181 2007-03-15  Richard Guenther  <rguenther@suse.de>
4182
4183         PR middle-end/29719
4184         PR middle-end/31161
4185         * builtins.c (expand_builtin_cexpi): As a fallback if we
4186         don't have builtins for sincos or cexp create a function
4187         declaration for cexp and expand to a call to that.
4188         (expand_builtin_int_roundingfn): Always fall
4189         back to floor/ceil and its variants even if they may be
4190         not available.
4191
4192 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
4193
4194         PR middle-end/31159
4195         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
4196         jump tables, move the call to delete_dead_jumptables from here...
4197         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
4198         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
4199         don't allow merging of blocks that try_redirect_by_replacing_jump
4200         also does not handle when not optimizing.
4201
4202 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4203             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4204
4205         * config/i386/i386.md (x86_sahf_1): Correctly handle
4206         HAVE_AS_IX86_SAHF.
4207
4208 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4209
4210         PR target/31167
4211         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
4212         x86_64_general_operand as operand[2] predicate.  Remove "iF"
4213         from operand constraints and use "e" constraint instead.
4214         (*subti3_1, *subti3_1 splitter): Ditto.
4215         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
4216         operand[1] predicate.
4217
4218 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
4219
4220         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
4221         arrays, multiply the access strides by the size of the sub-array.
4222         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
4223
4224 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4225
4226         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
4227         the configured assembler supports the sahf mnemonic.
4228         * configure: Regenerate.
4229         * config.in: Regenerate.
4230
4231         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
4232         emit "sahf" or ".byte\t0x9e" as asm template.
4233
4234 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
4235
4236         PR 31018
4237         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
4238         option to replace hard coded TARGET_xxx in md file.
4239         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
4240         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4241         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
4242         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
4243         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
4244         (X86_TUNE_NOT_VECTORMODE): Ditto.
4245         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
4246         (TUNE_AVOID_VECTOR_DECODE): Ditto.
4247         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4248         (TUNE_SLOW_IMUL_IMM8): Ditto.
4249         (TUNE_MOVE_M1_VIA_OR): Ditto.
4250         (TUNE_NOT_UNPAIRABLE): Ditto.
4251         (TUNE_NOT_VECTORMODE): Ditto.
4252
4253         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
4254         options.
4255
4256         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
4257         tuning options instead of hard coded TARGET_xxx.
4258         (fix ssemode peephole2's): Ditto.
4259         (imul peephole2's): Ditto.
4260         (movsi_or): Ditto.
4261         (movdi_or_rex64): Ditto.
4262         (move peephole2): Ditto.
4263         (not peephole2's): Ditto.
4264
4265 2007-03-14  Dirk Mueller  <dmueller@suse.de>
4266
4267         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
4268         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
4269         * c-parser.c (c_parser_if_body): Always add an empty statement in case
4270         of empty body.
4271         * c-parser.c (c_parser_do_statement): Warn about empty body in
4272         do/while statement.
4273         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
4274         * doc/invoke.texi (-Wempty-body): Update documentation.
4275
4276 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4277
4278         PR c/21438
4279         * c-common.h (warn_for_div_by_zero): Declare.
4280         * c-common.c (warn_for_div_by_zero): Define.
4281         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
4282         warning.
4283
4284 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4285
4286         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
4287         to PREFIX and STANDARD_PREFIX.
4288
4289 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4290             Phil Edwards  <phil@codesourcery.com>
4291
4292         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
4293         (__gthread_once_t): Remove busy field for RTPs.
4294         (__GTHREAD_ONCE_INIT): Update accordingly.
4295
4296 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4297
4298         * doc/invoke.texi: Document VxWorks options.
4299
4300 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4301
4302         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
4303
4304 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
4305
4306         PR tree-optimization/30590
4307         * tree-nrv.c (tree_nrv): Check for the partial update of the
4308         return value.
4309
4310 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4311
4312         * flags.h (flag_random_seed): Remove declaration, in favor of...
4313         * toplev.h (get_random_seed, set_random_seed): ... these.
4314         * tree.c (get_file_function_name): Use the former.
4315         * opts.c (common_handle_option): Use the latter.
4316         * toplev.c
4317
4318 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
4319
4320         PR middle-end/31127
4321         * cse.c (cse_find_path): Do not bail out if a basic block that
4322         we already visited now becomes part of a path that starts at a
4323         different basic block.  Just disallow this, to make sure we
4324         visit each basic block at most once.
4325
4326 2007-03-13  Jan Hubicka  <jh@suse.cz>
4327
4328         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4329         when profile esitmate is present, calls with very low frequency are
4330         cold.
4331
4332 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
4333
4334         PR tree-optimization/30730
4335         PR tree-optimization/26900
4336         * tree-ssa-loop-niter.c: Include gmp.h.
4337         (bounds): New type.
4338         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4339         split_to_var_and_offset, determine_value_range,
4340         bound_difference_of_offsetted_base, refine_bounds_using_guard,
4341         bound_difference, bounds_add, bounds_negate,
4342         number_of_iterations_ne_max, dump_affine_iv): New functions.
4343         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4344         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
4345         difference of initial and final value of control iv to validate
4346         results.
4347         (number_of_iterations_cond): Add loop parameter.  Determine bounds
4348         on the difference of the extremes of the control iv.  Add dumps.
4349         (expand_simple_operations): Handle phi nodes.
4350         (simplify_using_initial_conditions): Do not record used conditions.
4351         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
4352         Do not set additional_info.
4353         (implies_nonnegative_p, implies_ge_p): Removed.
4354         (derive_constant_upper_bound): Do not use parameter `additional'.
4355         (record_estimate): Parameter `additional' removed.  Parameter
4356         `i_bound' added.  Do not call derive_constant_upper_bound.
4357         (record_nonwrapping_iv): Use derive_constant_upper_bound to
4358         bound the number of iterations estimate.
4359         (estimate_numbers_of_iterations_loop): Pass the estimate from
4360         the number of iterations analysis to record_estimate.
4361         * tree.h (multiple_of_p): Declare.
4362         * tree-scalar-evolution.c (expression_expensive_p): Removed.
4363         (scev_const_prop): Do not check expression_expensive_p.
4364         * fold-const.c (multiple_of_p): Exported.
4365         * double-int.c (double_int_mask): Exported.
4366         * double-int.h (double_int_mask): Declare.
4367         * tree-flow.h (struct tree_niter_desc): Removed additional_info
4368         field.  Added max field.
4369
4370 2007-03-13  David Taylor  <taylor@candd.org>
4371
4372         PR driver/12448:
4373         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
4374         default -MQ.
4375
4376 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4377
4378         PR target/31123
4379         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
4380         two unamed patterns.
4381
4382 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
4383
4384         * config/i386/i386.opt (mcx16, msahf): New options.
4385         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4386         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4387
4388         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4389         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4390         Output -mcx16 and -msahf options when corresponding bit is set.
4391
4392         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
4393         and -msahf options.
4394
4395 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4396
4397         * configure.ac: Test for assembler tolerance to # 0 "".
4398         * configure, config.in: Rebuilt.
4399         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
4400
4401 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
4402
4403         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
4404
4405         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
4406         (handle_syscall): Handle direct system calls.
4407         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
4408
4409 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4410
4411         * doc/invoke.texi: Fix cpp.info cross-reference.
4412         * doc/passes.texi: Fix gcc.info cross-reference.
4413
4414 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
4415
4416         PR tree-optimization/30835
4417         * lambda-code.c (can_convert_to_perfect_nest): Check whether
4418         bb_for_stmt is not NULL before accessing it.
4419
4420 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
4421
4422         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
4423         some multilibs.
4424
4425 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4426
4427         PR 30635
4428         * doc/install.texi: Document --enable-stage1-languages
4429
4430 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
4431
4432         * tree-pass.h (pass_into_cfg_layout_mode,
4433         pass_outof_cfg_layout_mode): Declare.
4434         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
4435         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
4436         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
4437         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
4438
4439 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
4440
4441         * c-decl.c (warn_variable_length_array): New function.
4442         Refactored from grokdeclarator to handle warn_vla
4443         and handle unnamed array case.
4444         (grokdeclarator): Refactored VLA warning case.
4445         * c.opt (Wvla): New flag.
4446         * doc/invoke.texi (Wvla): New warning.
4447
4448 2007-03-12  Richard Henderson  <rth@redhat.com>
4449
4450         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
4451         (TARGET_SECTION_TYPE_FLAGS): New.
4452
4453 2007-03-12  Richard Henderson  <rth@redhat.com>
4454
4455         * config/darwin.c (machopic_reloc_rw_mask): New.
4456         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
4457         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
4458
4459 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
4460
4461         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
4462         * cppdefault.h (cpp_PREFIX): Document.
4463         (cpp_PREFIX_len): Likewise.
4464         (cpp_EXEC_PREFIX): New variable.
4465         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
4466         * c-incpath.c (add_standard_paths): Correct logic for relocating
4467         paths within prefix.
4468
4469 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
4470
4471         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
4472         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
4473         mode macro.
4474         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
4475         fix_truncdfdi_sse using SSEMODEF mode macro.
4476         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
4477         fix_truncdfsi_sse using SSEMODEF mode macro.
4478         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
4479         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
4480
4481 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
4482
4483         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
4484         elfos.h to tm_file.
4485
4486 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
4487
4488         * tree.h : Add multiple_of_p declaration.
4489         * fold-const.c (multiple_of_p): Make multiple_of_p public.
4490         * ipa-type-escape.c (results_of_malloc): Redundant.
4491         (visited_stmts): New. Visited stmt for walk_use_def_chains.
4492         (cast_type): Extended with new members.
4493         (check_cast): Returns cast_type.
4494         (cast): New structure for data of walk_use_def_chains.
4495         (is_malloc_result, is_cast_from_non_pointer_1,
4496         is_cast_from_non_pointer,
4497         is_array_access_through_pointer_and_index): New functions.
4498         (look_for_casts): Returns cast types.
4499         (check_call): Returns void.
4500         (okay_pointer_operation): Use support of pointer plus index,
4501         pointer plus constant and allow all multiplications.
4502
4503 2007-03-11  Richard Guenther  <rguenther@suse.de>
4504
4505         PR tree-optimization/31115
4506         * tree-vrp.c (extract_range_from_binary_expr): Make sure
4507         the shift count is positive and non-anti-range for RSHIFT_EXPR.
4508         A shift count of zero is not special as with *_DIV_EXPR.
4509         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
4510         direction.
4511
4512 2007-03-11  Ian Lance Taylor  <iant@google.com>
4513
4514         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
4515         the *_DIV_EXPR codes correctly with overflow infinities.
4516
4517 2007-03-11  Ira Rosen  <irar@il.ibm.com>
4518
4519         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
4520         indicate success/failure of the analysis. Add negation to subtrahend
4521         in case of subtraction. Fail if both operands contain constants.
4522         (create_data_ref): Fail if analyze_offset fails.
4523
4524 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
4525
4526         * config/i386/i386.md (frndintxf2): Rename to ...
4527         (rintxf2): ... this. Remove expander having same name.
4528         (rintsf2, rintdf2): Implement using SSEMODEF macro.
4529         (roundsf2, rounddf2): Ditto.
4530         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
4531         (lround<mode>di2, lround<mode>si2): Ditto.
4532
4533 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
4534
4535         * lower-subreg.c: Include except.h.
4536         (decompose_multiword_subregs): Verify that the only control flow
4537         insns we can split are loads to multi-words pseudos.
4538         Handle breaking such blocks after splitting, instead of calling
4539         find_many_sub_basic_blocks.
4540
4541         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
4542         on the new basic block.  Add a lengthy comment explaining why we
4543         thought this was necessary.
4544         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
4545
4546 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
4547
4548         PR c++/30924
4549         * tree.c (walk_type_fields): Recurse into the element type of
4550         ARRAY_TYPEs if there is a pointer set.
4551
4552 2007-03-10  Dirk Mueller  <dmueller@suse.de>
4553
4554         * c-common.c (warn_logical_operator): Fix condition.
4555
4556 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
4557
4558         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4559         quotation mark.
4560         * config/darwin.c (machopic_select_section): Remove superfluous
4561         argument in call to categorize_decl_for_section.  Remove unused
4562         variable shlib.
4563
4564 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
4565
4566         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4567         defined.
4568         * configure: Regenerate.
4569
4570 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
4571
4572         PR target/31101
4573         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4574         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4575         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4576         Add LABEL_NUSES to emitted label.
4577         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4578         branch probability value to emitted jump insn.
4579         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4580         Do not check life information and do not re-arrange input operands
4581         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4582
4583 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4584
4585         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4586         the change of decode_asm_operands.
4587
4588 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4589
4590         * mode-switching.c (create_pre_exit): Skip blockage insn.
4591
4592 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
4593
4594         * tree-pass.h (TODO_update_smt_usage): Remove.
4595         Update all users.
4596         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4597         argument SOME.
4598         Update all users.
4599
4600 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4601
4602         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4603         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4604         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
4605         SOM target.
4606
4607 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
4608
4609         * gcc.c: Document %{, in big comment at top.
4610         (input_suffix_matches): Remove special handling for .s and
4611         .S.
4612         (input_spec_matches): New.
4613         (handle_braces): Handle %{,.
4614         (validate_switches): ',' indicates a value which is not a switch.
4615         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4616         to detect assembler input.
4617         * config/i386/sol2.h (CPP_SPEC): Likewise.
4618         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4619         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4620         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4621         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4622         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4623         -m64 causes deployment target to default to 10.5.
4624         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4625
4626 2007-03-09  Richard Henderson  <rth@redhat.com>
4627
4628         PR target/26090
4629         * target.h (targetm.asm.out.reloc_rw_mask): New.
4630         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
4631         (TARGET_ASM_OUT): Use it.
4632         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
4633         * varasm.c (categorize_decl_for_section): Remove shlib argument;
4634         use the new reloc_rw_mask target hook instead.
4635         (default_section_type_flags_1): Merge into...
4636         (default_section_type_flags): ... here.
4637         (decl_readonly_section_1): Merge into...
4638         (decl_readonly_section): ... here.
4639         (default_elf_select_section_1): Merge into...
4640         (default_elf_select_section): ... here.
4641         (default_unique_section_1): Merge into...
4642         (default_unique_section): ... here.
4643         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
4644         (default_select_rtx_section): Use it.
4645         (default_elf_select_rtx_section): Likewise.
4646         * output.h: Update to match.
4647         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
4648         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
4649         (TARGET_ASM_RELOC_RW_MASK): New.
4650         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
4651         to categorize_decl_for_section.
4652         (x86_64_elf_unique_section): Likewise.
4653         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
4654         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
4655         (TARGET_ASM_RELOC_RW_MASK): New.
4656         * config/ia64/ia64.c (ia64_rwreloc_select_section,
4657         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
4658         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
4659         (TARGET_RWRELOC): Remove.
4660         (ia64_section_type_flags): Adjust call to default_section_type_flags.
4661         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4662         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
4663         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
4664         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
4665         (rs6000_xcoff_select_section): Use decl_readonly_section.
4666         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
4667         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4668         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
4669         (TARGET_SECTION_TYPE_FLAGS): Remove.
4670         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
4671
4672 2007-03-09  Roger Sayle  <roger@eyesopen.com>
4673
4674         * fold-const.c (fold_comparison): Remove compile-time evaluation of
4675         complex constant equality/inequality comparisons for here.
4676         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
4677         known at compile-time or can be simplified to a scalar comparison.
4678         (fold_relational_const): Move compile-time evaluation of complex
4679         constant equality/inequality comparisons to here.
4680
4681 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4682
4683         PR rtl-optimization/30643
4684         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
4685         dest_addr_elt.
4686         (fold_rtx): Recurse, like before 2006-11-03.
4687
4688 2007-03-09  DJ Delorie  <dj@redhat.com>
4689
4690         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
4691         m32c-pragma.o.
4692
4693 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
4694
4695         PR tree-optimization/30375
4696         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
4697         LHS of statements is not the same.
4698         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
4699
4700 2007-03-09  Chao-ying Fu  <fu@mips.com>
4701
4702         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
4703         REV 2.
4704         * doc/invoke.texi (-mdspr2): Document new option.
4705         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
4706         New unspec for DSP REV 2.
4707         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
4708         these instructions are extended in DSP REV 2.
4709         (mips-dspr2.md): Include.
4710         * config/mips/mips.opt (mdspr2): New option.
4711         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
4712         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
4713         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
4714         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
4715         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
4716         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
4717         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
4718         and 2 builtins.
4719         (bdesc_map): Add one field of unsupported_target_flags.
4720         (bdesc_arrays):  Update entries to have extra fields.  Add
4721         dsp_32only_bdesc.
4722         (mips_init_builtins): Initialize new function types.
4723         Check unsupported_target_fileds to filter out builtins.
4724         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
4725         TARGET_DSPR2.
4726         (ASM_SPEC): Pass mdspr2 to the assembler.
4727         * config/mips/mips-dspr2.md: New file.
4728
4729 2007-03-09  Sa Liu  <saliu@de.ibm.com>
4730
4731         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
4732
4733 2007-03-09  Ian Lance Taylor  <iant@google.com>
4734
4735         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
4736         argument) like -Wstrict-overflow=2.
4737         * doc/invoke.texi (Warning Options): Update documentation.
4738
4739 2007-03-09  Dirk Mueller  <dmueller@suse.de>
4740
4741         PR c++/17946
4742         * doc/invoke.texi (-Wlogical-op): Document.
4743         * common.opt (-Wlogical-op): New.
4744         * c-common.h (warn_logical_operator): Declare.
4745         * c-common.c (warn_logical_operator): Define.
4746         * c-typeck.c (parser_build_binary_op): Call
4747         warn_logical_operator.
4748
4749 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4750
4751         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
4752         * final.c (final_scan_insn): Test for non-"" file name.
4753
4754 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
4755
4756         * doc/loop.texi: Document the Omega linear constraints solver.
4757         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
4758         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
4759         omega-hash-table-size, omega-max-keys, and
4760         omega-eliminate-redundant-constraints.
4761         * tree-pass.h (pass_check_data_deps): Declared.
4762         * omega.c: New.
4763         * omega.h: New.
4764         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
4765         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
4766         pass_check_data_deps): New.
4767         * tree-data-ref.c (init_data_ref): Remove declaration.
4768         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
4769         (analyze_array): Renamed init_array_ref, move up initializations.
4770         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
4771         Removed arguments that are set to NULL.
4772         (analyze_indirect_ref): Correct indentation, correct call to
4773         init_pointer_ref.
4774         (object_analysis): Call init_array_ref instead of analyze_array.
4775         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
4776         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
4777         of DR_ACCESS_FNS_ADDR.
4778         (init_omega_eq_with_af, omega_extract_distance_vectors,
4779         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
4780         ddr_consistent_p): New.
4781         (compute_affine_dependence): Check consistency of ddrs when
4782         flag_check_data_deps is passed.
4783         (analyze_all_data_dependences): Uncomment.
4784         (tree_check_data_deps): New.
4785         * tree-data-ref.h: Include omega.h.
4786         (DR_ACCESS_FNS_ADDR): Removed.
4787         (data_dependence_relation): Add inner_loop.
4788         (DDR_INNER_LOOP): New.
4789         * common.opt (fcheck-data-deps): New.
4790         * tree-flow.h (tree_check_data_deps): Declare.
4791         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
4792         (OBJS-common): Depend on omega.o.
4793         (omega.o): Define.
4794         * passes.c (pass_check_data_deps): Scheduled.
4795         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
4796         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
4797         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
4798         PARAM_VECT_MAX_VERSION_CHECKS,
4799         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
4800
4801 2007-03-09  Richard Guenther  <rguenther@suse.de>
4802
4803         PR tree-optimization/30904
4804         PR middle-end/31058
4805         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
4806         the same way as *_DIV_EXPR.
4807
4808 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4809
4810         * recog.c (decode_asm_operands): No mixed declarations and code.
4811
4812 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4813
4814         * rtl.def (ASM_INPUT): Add location.
4815         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
4816         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
4817         (decode_asm_operands): Add loc operand.
4818         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
4819         * stmt.c (expand_asm): Rename to...
4820         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
4821         gen_rtx_ASM_INPUT_loc.
4822         (expand_asm_expr): Adjust.
4823         * recog.c (decode_asm_operands): Add loc operand.
4824         (check_asm_operands, extract_insn): Adjust.
4825         * reload1.c (maybe_fix_stack_asms): Likewise.
4826         * final.c (asm_insn_count): Likewise.
4827         (final_scan_insn): Output # line before and after asm.
4828
4829 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
4830
4831         * tree-ssa-structalias.c (variable_info): Remove
4832         finished_solution.
4833         (new_var_info): Ditto.
4834         (shared_bitmap_info_t): New structure.
4835         (shared_bitmap_table): New variable.
4836         (shared_bitmap_hash): New function.
4837         (shared_bitmap_eq): Ditto
4838         (shared_bitmap_lookup): Ditto.
4839         (shared_bitmap_add): Ditto.
4840         (merge_smts_into): Change to take bitmap directly.
4841         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
4842         (init_alias_vars): Init shared bitmap hashtable.
4843         (delete_points_to_sets): Delete shared bitmap hashtable.
4844         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
4845         is_aliased removal as a change that was still necessary was
4846         deleted.
4847
4848 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
4849
4850         * config/i386/i386.h (override_options): Conditionally disable
4851         x86_sahf for 64bit targets only.
4852
4853 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4854
4855         PR C/31072
4856         * c-decl.c (merge_decls): Don't call make_var_volatile.
4857         * varasm.c (make_var_volatile): Remove.
4858         * output.h (make_var_volatile): Remove.
4859
4860 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
4861
4862         PR tree-optimization/31085
4863         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
4864
4865 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4866
4867         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
4868         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
4869         ATTR_CONST_NOTHROW_LIST.
4870
4871         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4872         FIX_TRUNC_EXPR.
4873
4874 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
4875
4876         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
4877
4878 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
4879
4880         PR 31013
4881         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
4882         is declared.
4883         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
4884         passed, use shared libgcc.
4885
4886 2007-03-08  Roger Sayle  <roger@eyesopen.com>
4887
4888         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
4889         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4890         (honor_protect_cleanup_actions, lower_try_finally_switch):
4891         Likewise.
4892         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
4893         ifc_temp_var): Likewise.
4894         * tree-inline.c (setup_one_parameter): Likewise.
4895         * tree-mudflap.c (mf_decl_cache_locals,
4896         mf_build_check_statement_for): Likewise.
4897         * tree-nested.c (init_tmp_var, save_tmp_var,
4898         finalize_nesting_tree_1): Likewise.
4899         * tree-outof-ssa.c (insert_copy_on_edge,
4900         insert_backedge_copies): Likewise.
4901         * tree-profile.c (tree_gen_edge_profiler,
4902         tree_gen_ic_profiler): Likewise.
4903         * tree-scalar-evolution.c (scev_const_prop): Likewise.
4904         * tree-sra.c (sra_build_assignment): Likewise.
4905         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
4906         * tree-ssa-math-opts.c (insert_reciprocals,
4907         execute_cse_sincos_1): Likewise.
4908         * tree-tailcall.c (adjust_accumulator_values,
4909         adjust_return_value): Likewise.
4910         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
4911         * tree-vect-transform.c (vect_create_data_ref_ptr,
4912         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
4913         vect_create_epilog_for_reduction, vectorizable_reduction,
4914         vectorizable_call, vectorizable_conversion,
4915         vectorizable_assignment, vectorizable_operation,
4916         vectorizable_type_demotion, vect_gen_widened_results_half,
4917         vect_permute_store_chain, vectorizable_store,
4918         vect_setup_realignment, vect_permute_load_chain,
4919         vectorizable_load, vectorizable_condition,
4920         vect_create_cond_for_align_checks): Likewise.
4921         * tree-vrp.c (build_assert_expr_for): Likewise.
4922
4923 2007-03-08  Ian Lance Taylor  <iant@google.com>
4924
4925         * tree-vrp.c: Include "intl.h".
4926         (usable_range_p): New static function.
4927         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
4928         overflowed values, juts set *strict_overflow_p.
4929         (compare_values): Only return -2 if one of the operands is not a
4930         constant.
4931         (compare_ranges): Call usable_range_p.
4932         (compare_range_with_value): Likewise.
4933         (vrp_evaluate_conditional_warnv): Rename from
4934         vrp_evaluate_conditional.  Make static.  Change all callers.
4935         (vrp_evaluate_conditional): New function.
4936         (simplify_div_or_mod_using_ranges): Issue warning about reliance
4937         on signed overflow.
4938         (simplify_abs_using_ranges): Likewise.
4939         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
4940         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
4941         within_stmt parameter.
4942         * tree-ssa-propagate.c (fold_predicate_in): Update call to
4943         vrp_evaluate_conditional.
4944         * tree-ssa-threadedge.c
4945         (record_temporary_equivalences_from_stmts_at_dest): Change
4946         simplify parameter to take a second tree parameter.
4947         (simplify_control_stmt_condition): Likewise.
4948         (thread_across_edge): Likewise.
4949         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4950         (thread_across_edge): Likewise.
4951         * Makefile.in (tree-vrp.o): Depend upon intl.h.
4952
4953 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
4954
4955         * config/i386/i386.h (TARGET_SAHF): New define.
4956         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
4957         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
4958         (x86_sahf): New global variable.
4959         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
4960         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
4961         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
4962         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
4963         for 64-bit.
4964         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
4965         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
4966         when expanding fcomi/sahf based tests.
4967         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
4968         expanding sahf based alternative. Emit sahf based sequence when
4969         optimizing for code size.
4970         * config/i386/i386.md (x86_sahf_1): Do not disable for
4971         TARGET_64BIT, enable for TARGET_SAHF.
4972
4973 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
4974
4975         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
4976         spurious whitespace from error message.
4977
4978 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
4979
4980         PR c++/30852
4981         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
4982
4983 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
4984
4985         * c-decl.c (grokdeclarator): Disable warnings for anonymous
4986         bitfields.
4987         * tree-sra.c (instantiate_element): Propagate disabled warnings
4988         from the element itself to the created variable.
4989
4990 2007-03-07  Richard Henderson  <rth@redhat.com>
4991
4992         PR target/30848
4993         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
4994         silently fix up the stack in the case of a missing register.
4995
4996 2007-03-07  Paul Brook  <paul@codesourcery.com>
4997
4998         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
4999
5000 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
5001
5002         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
5003         New.
5004         (phase1_vrs): Use them.
5005         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
5006         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
5007         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
5008         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
5009         __gnu_Unwind_Restore_WMMXC if required.
5010         (_Unwind_VRS_Pop): Implement iWMMXt support.
5011         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
5012         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
5013         gnu_Unwind_Save_WMMXC): Define.
5014
5015 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5016
5017         * config/vxworks.h (vxworks_override_options): Declare.
5018         (VXWORKS_OVERRIDE_OPTIONS): Use it.
5019         * config/vxworks.c: Include target.h and toplev.h.
5020         (vxworks_override_options): New function.
5021         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
5022
5023 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5024
5025         * config/s390/s390.c (override_options): Don't emit an error when
5026         -mstack-size is used without providing -mstack-guard.
5027         (s390_emit_prologue): Choose stack_guard value automatically if not
5028         provided via command line.
5029         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
5030
5031 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5032
5033         * config/i386/i386.c (output_set_got): Add a GOT initialization
5034         sequence for VxWorks PIC.
5035         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
5036         around labels as well as symbols.  Use gotoff_operand instead
5037         of local_symbolic_operand.
5038         (legitimize_pic_address): Use gotoff_operand instead of
5039         local_symbolic_operand.  Use @GOT accesses for labels as
5040         well as symbols.
5041         (ix86_output_addr_diff_elt): Use PC-relative rather than
5042         GP-relative offsets for VxWorks PIC.
5043         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
5044         no_new_pseudos.  Check whether the returned register is op0.
5045         * config/i386/i386.md (tablejump): Use PC-relative rather than
5046         GP-relative offsets for VxWorks PIC.
5047         * config/i386/predicates.md (gotoff_operand): New predicate.
5048
5049 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5050
5051         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
5052         before defining.
5053         * config/vxworks-dummy.h: New file.
5054         * config/i386/i386.h: Include it.
5055
5056 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
5057
5058         * dwarf2out.c (is_inlined_entry_point): New
5059         (add_high_low_attributes): Emit DW_AT_entry_pc along with
5060         DW_AT_ranges if the first subblock is the entry point.
5061
5062 2007-03-06  David Daney  <ddaney@avtrex.com>
5063
5064         * doc/install.texi (mips-*-*): Change recommended binutils
5065         version.
5066
5067 2007-03-06  Anatoly Sokolov <aesok@post.ru>
5068
5069         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
5070         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
5071         devices.
5072         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5073         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5074
5075 2007-03-06  Jan Hubicka  <jh@suse.cz>
5076
5077         * errors.h (warning, error, fatal, internal_error): Mark as cold.
5078         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
5079         are hot.
5080         (probably_cold_bb_p): Cold functions are cold.
5081         (probably_never_executed_bb_p): Cold functions are cold.
5082         (tree_bb_level_predictions): Predict calls to cold functions as not
5083         taken.
5084         (compute_function_frequency): Check hot/cold attributes.
5085         * function.h (function_frequency): Update comments.
5086         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
5087         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
5088         (c_common_att): Add cold and hot.
5089
5090         * doc/extend.texi (hot,cold attributes): Document.
5091
5092 2007-03-06  Andrew Haley  <aph@redhat.com>
5093
5094         * function.c (expand_function_end): Move blockage to just after we
5095         emit the label for the naked return from the function.
5096
5097 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5098
5099         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
5100         before redefining.
5101
5102 2007-03-06  Jan Hubicka  <jh@suse.cz>
5103
5104         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
5105         loaded for constant large models.  Non-large 64bit PIC can do.
5106         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
5107         * cmodel.h: Add LARGE PIC.
5108         * i386.md (UNSPEC_PLTOFF): New.
5109         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
5110         needed.
5111         (*call_1_rex64): Disable for large models.
5112         (*call_1_rex64_large): New.
5113         (*call_value_1_rex64): Disable for large models.
5114         (*call_value_1_rex64_large): New.
5115         (set_rip_rex4): New.
5116         (set_got_offset_rex64): New.
5117         * predicates.md (constant_call_address_operand): For large model
5118         constant calls are not possible.
5119         * i386-protos.h (construct_plt_address): Declare.
5120         * i386.c (override_options): Accept large models.
5121         (ix86_expand_prologue): Expand large PIC GOT pointer load.
5122         (legitimate_constant_p): Add new UNSPECs.
5123         (legitimate_pic_operand_p): Likewise.
5124         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
5125         (legitimize_pic_address): Do easy RIP relative way for TLS only for
5126         non-large model.
5127         (output_pic_addr_const): Add PLTOFF.
5128         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
5129         (ix86_expand_move): Legitimize pic address when in PIC mode.
5130         (construct_plt_address): New function.
5131         (ix86_expand_call): Offload the address to register and use GOT pointer
5132         for large model.
5133         * invoke.texi (mcmodel=large): Update documentation.
5134
5135 2007-03-06  Richard Henderson  <rth@redhat.com>
5136
5137         * config/i386/i386.c (x86_use_leave, x86_push_memory,
5138         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
5139         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
5140         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
5141         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
5142         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
5143         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
5144         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
5145         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
5146         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5147         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5148         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
5149         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5150         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5151         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
5152         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
5153         x86_schedule, x86_use_bt, x86_pad_returns,
5154         x86_use_xchgb): Merge into ...
5155         (ix86_tune_features): ... here.  New array.
5156         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5157         x86_bswap): Merge into ...
5158         (ix86_arch_features): ... here.  New array.
5159         (x86_3dnow_a): Remove.
5160         (x86_accumulate_outgoing_args): Make static.
5161         (x86_arch_always_fancy_math_387): Make static.
5162         (ix86_tune_mask, ix86_arch_mask): Move ...
5163         (override_options): ... to local variables here.  Apply the
5164         appropriate mask to each element of ix86_arch_features and
5165         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
5166         as were done in the old macros.
5167         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
5168         * config/i386/i386.h (x86_use_leave, x86_push_memory,
5169         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
5170         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
5171         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
5172         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
5173         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
5174         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
5175         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
5176         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
5177         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
5178         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5179         x86_accumulate_outgoing_args, x86_prologue_using_move,
5180         x86_epilogue_using_move, x86_decompose_lea,
5181         x86_arch_always_fancy_math_387, x86_shift1,
5182         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5183         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5184         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
5185         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5186         x86_use_incdec, x86_pad_returns, x86_bswap,
5187         x86_partial_flag_reg_stall): Remove.
5188         (enum ix86_tune_indices): New.
5189         (ix86_tune_features): New.
5190         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
5191         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
5192         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
5193         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
5194         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
5195         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
5196         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
5197         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
5198         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
5199         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
5200         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
5201         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
5202         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
5203         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
5204         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
5205         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
5206         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
5207         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
5208         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
5209         TARGET_EXT_80387_CONSTANTS): Use it.
5210         (enum ix86_arch_indices): New.
5211         (ix86_arch_features): New.
5212         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
5213         TARGET_BSWAP): Use it.
5214         (ix86_tune_mask, ix86_arch_mask): Remove.
5215
5216 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
5217
5218         PR bootstrap/31020
5219         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
5220         Define using $${sysroot_headers_suffix}.
5221         * configure: Regenerate.
5222         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
5223         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
5224         defined.
5225         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
5226         * gcc.c (print_sysroot_headers_suffix): New.
5227         (option_map): Include --print-sysroot-headers-suffix.
5228         (display_help): Mention -print-sysroot-headers-suffix.
5229         (process_command): Handle -print-sysroot-headers-suffix.
5230         (do_spec_1): Append multilib directory to include-fixed path if
5231         sysroot suffixes in use.
5232         (main): Handle -print-sysroot-headers-suffix.
5233         * Makefile.in (start.encap): Don't depend on xlimits.h
5234         (xlimits.h): Remove.
5235         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
5236         limits.h for each multilib in fixinc_list.
5237         (fixinc_list, s-fixinc_list): New.
5238         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
5239         generate them for each multilib in fixinc_list.
5240         (stmp-fixproto): Use include-fixed.  Run fixproto for each
5241         multilib in fixinc_list.
5242         (mostlyclean): Don't remove xlimits.h.
5243         (clean): Remove include-fixed.
5244         (real-install-headers-tar, real-install-headers-cpio,
5245         real-install-headers-cp): Don't copy include, only include-fixed.
5246         (install-mkheaders): Depend on fixinc_list.  Don't depend on
5247         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
5248         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
5249         SYSTEM_HEADER_DIR setting in mkheaders.conf.
5250
5251 2007-03-06  Jan Hubicka  <jh@suse.cz>
5252
5253         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
5254         NANs easilly.
5255
5256 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5257
5258         * configure.ac: Allow tm_file to contain build-directory files.
5259         * configure: Regenerate.
5260         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
5261         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
5262         * config/m68k/print-sysroot-suffix.sh: New file.
5263
5264 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5265
5266         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
5267         of pic_offset_table_rtx if reload_completed.
5268         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
5269         PIC_OFFSET_TABLE_REGNUM.
5270         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
5271         return true.
5272         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
5273         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
5274
5275 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5276
5277         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5278         functions that call eh_return.
5279
5280 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5281
5282         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5283         functions that need a constant pool.
5284
5285 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5286
5287         PR target/28181
5288         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
5289         (m68k_preferred_reload_class): Likewise.
5290         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
5291         (SECONDARY_RELOAD_CLASS): Define.
5292         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
5293         (LIMIT_RELOAD_CLASS): Delete.
5294         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
5295         registers from storing bytes.
5296         (m68k_secondary_reload_class): New function.
5297         (m68k_preferred_reload_class): Likewise.
5298
5299 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5300
5301         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
5302         leaf functions.
5303         (m68k_expand_prologue): Likewise.
5304
5305 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5306
5307         * config/m68k/m68k-protos.h (output_sibcall): Declare.
5308         (mips_expand_epilogue): Add a bool parameter.
5309         (m68k_legitimize_sibcall_address): Declare.
5310         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5311         (m68k_expand_epilogue): Add a parameter to select between sibling
5312         and normal epilogues.  Only generate a return for the latter.
5313         (m68k_ok_for_sibcall_p): New function.
5314         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5315         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5316         (sibcall_value, *sibcall_value): Likewise.
5317         (*call, *call_value): Require !SIBLING_CALL_P.
5318         (epilogue): Update call to m68k_expand_epilogue.
5319         (sibcall_epilogue): New pattern.
5320         * config/m68k/predicates.md (const_call_operand): Say that this
5321         predicate applies to sibling calls too.
5322         (sibcall_operand): New predicate.
5323
5324 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5325
5326         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5327         alternatives as movsi_cf.
5328         (movsf_cf_hard): Add commentary.
5329
5330 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
5331             Richard Sandiford  <richard@codesourcery.com>
5332
5333         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5334         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5335         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5336         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
5337         as being live on exit from an interrupt function.
5338         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5339         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5340         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5341         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5342         (m68k_interrupt_function_p): Globalize.
5343         (m68k_compute_frame_layout): Remove reverse mask code.
5344         (m68k_emit_movem, m68k_set_frame_related): New functions.
5345         (m68k_output_function_prologue): Delete in favor of...
5346         (m68k_expand_prologue): ...this new function.
5347         (m68k_output_function_epilogue): Delete in favor of...
5348         (m68k_expand_epilogue): ...this new function.
5349         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
5350         functions.
5351         (print_operand): Handle %?.
5352         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
5353         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
5354         (prologue, epilogue): New patterns.
5355         (return): Turn into a define_expand.
5356         (*return): New pattern, derived from old "return" pattern.  Use rte
5357         rather than rts for interrupt functions.  Only use rtd if the pop
5358         count is nonzero.
5359         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
5360         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
5361         (link, *link, unlink, *unlink, load_got): Likewise.
5362
5363 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5364
5365         PR target/23482
5366         PR target/17114
5367         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
5368         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
5369         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
5370         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
5371         and m68k_matches_u_p.
5372         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
5373         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
5374         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
5375         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
5376         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
5377         (REG_STRICT_P): New macro.
5378         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
5379         PCREL_GENERAL_OPERAND_OK.
5380         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
5381         m68k_legitimate_base_reg_p.
5382         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5383         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5384         (PIC_CASE_VECTOR_ADDRESS): Update comment.
5385         * config/m68k/m68k.c (m68k_address): New structure.
5386         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5387         (m68k_decompose_index, m68k_legitimate_constant_address_p)
5388         (m68k_jump_table_ref_p, m68k_decompose_address)
5389         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5390         (m68k_matches_u_p): New functions.
5391         (print_operand_address): Rewrite to use m68k_decompose_index.
5392
5393 2007-03-05  David Taylor  <dtaylor@emc.com>
5394
5395         * gcc.c: Correct copyright date in --version output.
5396
5397 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5398
5399         * pa.md: In unamed move patterns, disparge copies between general
5400         and floating point registers using '?' modifier.  Don't include 'f'
5401         constraint for register preferences in DImode, SImode, HImode and
5402         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
5403         Remove constraints for copies between general and floating registers
5404         in soft-float DFmode pattern.
5405         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
5406         floating register.
5407         (movsf): Likewise.
5408
5409 2007-03-05  Mike Stump  <mrs@apple.com>
5410
5411         * c-common.c (targetcm): Add.
5412         * c-opts.c (c_common_handle_option): Handle language specific
5413         target options.
5414         * opts.c (handle_option): Verify language for target options, if
5415         any are given.
5416         * opth-gen.awk: Add CL_LANG_ALL.
5417         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
5418         (TARGETCM_INITIALIZER): Add.
5419         * target.h (struct gcc_targetcm): Add.
5420         (targetcm): Add.
5421         * targhooks.c (default_handle_c_option): Add.
5422         * targhooks.h (default_handle_c_option): Add.
5423         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
5424
5425         * config/darwin.opt (iframework): Add.
5426         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
5427         * config/darwin-c.c (handle_c_option): Add.
5428         (TARGET_HANDLE_C_OPTION): Add.
5429         (targetcm): Add.
5430         * doc/invoke.texi (Darwin Options): Add -iframework.
5431
5432 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5433
5434         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
5435         conversion.
5436
5437 2007-03-05  Ian Lance Taylor  <iant@google.com>
5438
5439         * c.opt (fgnu89-inline): New option.
5440         * c-opts.c (c_common_post_options): Set default value for
5441         flag_gnu89_inline.
5442         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
5443         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
5444         inline functions.
5445         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
5446         (grokdeclarator, start_function): Likewise.
5447         * c-cppbuiltin.c (c_cpp_builtins): Define either
5448         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
5449         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
5450         (C Dialect Options): Document -fgnu89-inline.
5451         * doc/extend.texi (Function Attributes): Explain what the
5452         gnu_inline attribute does.
5453         * doc/cpp.texi (Common Predefined Macros): Document
5454         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
5455
5456 2007-03-05  Ian Lance Taylor  <iant@google.com>
5457
5458         PR tree-optimization/31034
5459         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
5460         half-range if the other side is an overflow infinity.
5461
5462 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5463
5464         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
5465         (bfin*-linux-uclibc*): New configuration.
5466         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
5467         defining.
5468         * config/bfin/linux.h: New file.
5469         * config/bfin/libgcc-bfin.ver: New file.
5470         * config/bfin/t-bfin-uclinux: New file.
5471         * config/bfin/t-bfin-linux: New file.
5472         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
5473         (TARGET_OS_CPP_BUILTINS): New macro.
5474
5475 2007-03-05  Richard Guenther  <rguenther@suse.de>
5476
5477         * fold-const.c (fold_binary): Remove duplicate folding
5478         of comparison of non-null ADDR_EXPR against null.
5479
5480 2007-03-05  Richard Guenther  <rguenther@suse.de>
5481             Dorit Nuzman  <dorit@il.ibm.com>
5482
5483         PR tree-optimization/26420
5484         * tree-vectorizer.c (vectorize_loops): Bail out early if there
5485         are no loops in the function.  Only print the number of
5486         vectorized loops if it is greater than zero or we are supposed
5487         to print information about unvectorized loops.
5488
5489 2007-03-05  Revital Eres  <eres@il.ibm.com>
5490
5491         * gcc.dg/var-expand1.c: New test.
5492         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
5493         when an accumulator is expanded.
5494
5495 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5496
5497         PR other/30465
5498         * c-common.c (convert_and_check): Don't give warnings for
5499         conversion if 'expr' already overflowed.
5500
5501 2007-03-04  Roger Sayle  <roger@eyesopen.com>
5502
5503         PR middle-end/30744
5504         * fold-const.c (fold_comparison): Enforce type consistency when
5505         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
5506
5507 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
5508
5509         * tree-ssa-address.c (create_mem_ref): Do not put an expression
5510         containing a cast to the base of TARGET_MEM_REF.
5511
5512 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
5513
5514         * tree.c (tree_contains_struct_check_failed): Remove spurious
5515         whitespace from error message.
5516
5517 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
5518
5519         PR target/30406
5520         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
5521         instead of precision.
5522
5523 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
5524             Nathan Sidwell  <nathan@codesourcery.com>
5525
5526         * emit-rtl.c (find_auto_inc): New.
5527         (try_split): recreate REG_INC notes,
5528         Use regular for loops rather than whiles.
5529
5530 2007-03-03  Andreas Schwab  <schwab@suse.de>
5531
5532         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
5533         * configure: Regenerate.
5534
5535 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5536
5537         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
5538         flag_rounding_math, not flag_unsafe_math_optimizations.
5539
5540         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
5541         fold_build2.
5542         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
5543         alpha_fold_vector_minmax): Likewise.
5544         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5545         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
5546
5547 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5548
5549         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5550         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5551         if the lhs has side-effects.
5552         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5553
5554 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5555
5556         * config/i386/i386.h (TUNEMASK): Remove define.
5557         (ARCHMASK): Remove define.
5558         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5559          Use ix86_arch_mask variable instead of ARCHMASK.
5560         * config/i386/i386.c (override_options): Ditto.
5561         (standard_80387_constant_p): Ditto.
5562
5563 2007-03-02  Ian Lance Taylor  <iant@google.com>
5564
5565         Used signed infinities in VRP.
5566         * tree-vrp.c (uses_overflow_infinity): New static function.
5567         (supports_overflow_infinity): New static function.
5568         (make_overflow_infinity): New static function.
5569         (negative_overflow_infinity): New static function.
5570         (positive_overflow_infinity): New static function.
5571         (is_negative_overflow_infinity): New static function.
5572         (is_positive_overflow_infinity): New static function.
5573         (is_overflow_infinity): New static function.
5574         (overflow_infinity_range_p): New static function.
5575         (compare_values_warnv): New function split out of compare_values.
5576         (compare_value): Call it.
5577         (set_value_range_to_nonnegative): Add overflow_infinity
5578         parameter.  Change caller.
5579         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5580         Change callers.
5581         (vrp_expr_computes_nonzero): Likewise.
5582         (compare_ranges, compare_range_with_value): Likewise.
5583         (compare_name_with_value, compare_names): Likewise.
5584         (vrp_evaluate_conditional): Likewise.
5585         (set_value_range): Handle infinity
5586         (vrp_operand_equal_p, operand_less_p): Likewise.
5587         (extract_range_from_assert): Likewise.
5588         (vrp_int_const_binop): Likewise.
5589         (extract_range_from_binary_expr): Likewise.
5590         (extract_range_from_unary_expr): Likewise.
5591         (extract_range_from_comparison): Likewise.
5592         (extract_range_from_expr): Likewise.
5593         (dump_value_range): Likewise.
5594         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5595         (test_for_singularity): Likewise.
5596         (vrp_int_const_binop): Remove inline qualifier.
5597         (adjust_range_with_scev): Add comment.
5598         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5599
5600 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
5601
5602         * tree-ssa-structalias.c (could_have_pointers): Tidy.
5603         (get_constraint_for): Likewise.
5604         (do_structure_copy): Likewise.
5605         (find_func_aliases): Fix references to MODIFY_EXPR.
5606         (intra_create_variable_infos): Tidy.
5607         * tree-ssa-operands.c (add_virtual_operand): Add argument
5608         IS_CALL_SITE.
5609         When adding members of alias sets, if IS_CALL_SITE is true and
5610         the symbol is not call-clobbered, skip it.
5611         Adjust all callers.
5612
5613 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5614
5615         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5616         entry by means of emit_insn_at_entry.
5617
5618 2007-03-02  Richard Henderson  <rth@redhat.com>
5619
5620         * expr.h (promoted_input_arg): Remove decl.
5621         * function.c (promoted_input_arg): Merge into ...
5622         * combine.c (setup_incoming_promotions): ... only caller.
5623         Rearrange to avoid double loop.
5624
5625 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5626             Peter Bergner  <bergner@vnet.ibm.com>
5627             Janis Johnson  <janis187@us.ibm.com>
5628
5629         * config/rs6000/dfp.md: New file.
5630         * config/rs6000/rs6000.md: Include dfp.md.
5631         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
5632         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
5633         and TDmode decimal float modes in FP registers.
5634         (num_insns_constant): Likewise.
5635         (rs6000_legitimate_offset_address_p): Likewise.
5636         (rs6000_legitimize_address): Likewise.
5637         (rs6000_legitimize_reload_address): Likewise.
5638         (rs6000_legitimate_address): Likewise.
5639         (rs6000_emit_move): Likewise.
5640         (function_arg_boundary): Likewise.
5641         (function_arg_advance): Likewise.
5642         (rs6000_darwin64_record_arg_recurse): Likewise.
5643         (function_arg): Likewise.
5644         (rs6000_gimplify_va_arg): Likewise.
5645         (rs6000_split_multireg_move): Likewise.
5646         (rs6000_output_function_epilogue): Likewise.
5647         (rs6000_output_function_epilogue): Likewise.
5648         (rs6000_register_move_cost): Likewise.
5649         (rs6000_function_value): Likewise.
5650         (rs6000_libcall_value): Likewise.
5651
5652 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5653
5654         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
5655
5656 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5657
5658         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
5659         Use $MULTIDIR to choose between the kernel and RTP headers,
5660         and use $WIND_BASE and $WIND_USR to locate them.
5661
5662 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5663
5664         * config/i386/i386.c (override_options): Put initialization of
5665         ix86_tune_mask and ix86_arch_mask to the correct place.
5666
5667 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5668             Michael Meissner  <michael.meissner@amd.com>
5669
5670         PR target/31019
5671         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
5672         (ARCHMASK): Define.
5673         (TARGET_CMOVE): Use ARCHMASK.
5674         (TARGET_CMPXCHG): Ditto.
5675         (TARGET_CMPXCHG8B): Ditto.
5676         (TARGET_XADD): Ditto.
5677         (TARGET_BSWAP): Ditto.
5678         * config/i386/i386.c (ix86_tune_mask): New global variable.
5679         (ix86_arch_mask): Ditto.
5680         (override_options): Initialize ix86_tune_mask and
5681         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
5682         target_flags.
5683
5684 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5685
5686         PR 30992
5687         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
5688
5689 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
5690
5691         * target.h (init_dwarf_reg_sizes_extra): New target hook.
5692         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
5693         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
5694         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
5695         hook.
5696         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
5697         rs6000_init_dwarf_reg_sizes_extra): New.
5698         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
5699         SPE register high parts.
5700
5701 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
5702
5703         * Makefile.in: Add install-pdf target as
5704         copied from automake v1.10 rules.
5705         * configure.ac: Add install-pdf to target list.
5706         * configure: Regenerate.
5707
5708 2007-03-01  Paul Brook  <paul@codesourcery.com>
5709
5710         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
5711         modes to LDRD for DImode.
5712         (output_move_double): Fixup out of range ldrd/strd.
5713         (vfp_secondary_reload_class): Rename...
5714         (coproc_secondary_reload_class): ... to this.  Add wb argument.
5715         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
5716         coproc_secondary_reload_class for CLASS_IWMMXT.
5717         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
5718         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
5719
5720 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
5721
5722         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
5723         factor by the estimated number of iterations.
5724         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
5725         prefetch latency.
5726
5727         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
5728         decode_caches_intel, detect_caches_intel): New functions.
5729         (host_detect_local_cpu): Use detect_caches_amd and
5730         detect_caches_intel.
5731
5732 2007-03-01  Richard Henderson  <rth@redhat.com>
5733
5734         * expr.c (emit_move_complex_push): Export.
5735         (emit_move_complex_parts): Split out from ...
5736         (emit_move_complex): ... here.
5737         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
5738         * config/i386/i386.md (movcdi): New.
5739
5740 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
5741
5742         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
5743         size of mode1 to check for tieable modes in MMX case.
5744
5745 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
5746
5747         * Makefile.in (rtlanal.o): Depend on tree.h.
5748         * rtl.h (offset_within_section_p, split_const): Declare.
5749         * rtlanal.c: Include tree.h.
5750         (offset_within_block_p): New function, taken from
5751         mips_offset_within_object_p.
5752         (split_const): New function, taken from mips_split_const.
5753         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
5754         Declare.
5755         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
5756         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
5757         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
5758         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5759         (m68k_illegitimate_symbolic_constant_p): New function.
5760         * config/m68k/m68k.md (movsi): Remove misleading predicates.
5761         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
5762         symbolic constant that might be outside the symbol's section,
5763         move the symbol first and then add the offset.
5764         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
5765         Override.
5766         * config/mips/mips.c (mips_split_const): Delete.
5767         (mips_offset_within_object_p): Delete.
5768         (mips_symbolic_constant_p): Use offset_within_section_p and
5769         split_const instead of mips_offset_within_object_p and
5770         mips_split_const.
5771         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
5772         (mips_legitimize_const_move, print_operand_reloc)
5773         (mips_dangerous_for_la25_p): Use split_const instead of
5774         mips_split_const.
5775
5776 2007-02-28  Eric Christopher  <echristo@apple.com>
5777
5778         * Makefile.in (install-include-dir): Don't rm -rf include.
5779
5780 2007-02-28  Richard Guenther  <rguenther@suse.de>
5781
5782         PR middle-end/30364
5783         * fold-const.c (fold_binary): Do not associate expressions
5784         with more than one variable for integer types that do not wrap.
5785
5786 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
5787
5788         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
5789         Delete, and replace with...
5790         (fold_builtin_call_array): This.  Update callers to use it.
5791         * fold-const.c (fold_build_call_list): Delete, and replace with...
5792         (fold_build_call_array): This.
5793         (fold_build_call_list_initializer): Delete, and replace with...
5794         (fold_build_call_array_initializer): This.
5795         * tree.h: Update declarations to reflect above changes.
5796
5797         * c-typeck.c (build_function_call): Store converted arguments
5798         in a stack-allocated array instead of building a list.
5799         (convert_arguments): Store arguments in the array passed in as an
5800         argument, and return the actual number of arguments.
5801         * c-format.c: (check_function_format): Pass arguments in an
5802         array instead of a list.
5803         * c-common.c (check_function_nonnull): Likewise.
5804         (check_function_sentinel): Likewise.
5805         (check_function_arguments): Likewise.
5806         * c-common.h: Update declarations to reflect above changes.
5807
5808 2007-02-28  Jan Hubicka  <jh@suse.cz>
5809
5810         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
5811         PRED_NEGATIVE_RETURN): Update outcomes.
5812
5813 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
5814
5815         * calls.c (emit_library_call_value_1): Handle partial registers
5816         correctly when building up CALL_INSN_FUNCTION_USAGE.
5817
5818 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5819
5820         * pa/predicates.md (move_src_operand): Allow zero for mode.
5821         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
5822         move pattern.
5823
5824 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
5825
5826         PR target/30970
5827         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
5828         *movv2df_internal): Enable pattern only for valid operand
5829         combinations.
5830         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
5831         tie only 128bit modes. For MMX registers, tie only 64bit modes.
5832
5833 2007-02-27  Mike Stump  <mrs@apple.com>
5834
5835         * config/darwin-crt3.c: Avoid compilation when compiling for a
5836         kext multilib.
5837
5838 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
5839
5840         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
5841         FIXED_INCLUDE_DIR.
5842         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
5843         for fixed headers and limits.h.
5844         (install-include-dir, install-headers-tar, install-headers-cpio,
5845         install-headers-cp, real-install-headers-tar,
5846         real-install-headers-cpio, real-install-headers-cp): Handle
5847         include-fixed as well as include.
5848         (install-mkheaders): Don't install files that go only in include
5849         not include-fixed.
5850         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
5851         from GCC_INCLUDE_DIR.
5852         * gcc.c (process_command): Remove special -BstageN/ handling.
5853         (do_spec_1): Add include-fixed directories.
5854
5855 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5856
5857         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
5858         _smulsi3_highpart.
5859         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
5860         New functions.
5861         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
5862         patterns.
5863
5864 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
5865
5866         * c-common.c (get_priority): Add check for
5867         SUPPORTS_INIT_PRIORITY.
5868
5869 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5870
5871         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5872
5873         * config/bfin/bfin.c: Include "cfglayout.h".
5874         (MAX_LSETUP_DISTANCE): New macro.
5875         (struct loop_info): New members incoming, incoming_src and
5876         incoming_dest.  Delete member predecessor.
5877         (length_for_loop): New function.
5878         (bfin_optimize_loop): Handle more different loop structures.
5879         (bfin_discover_loop): Rework detection of predecessor blocks by
5880         examining incoming edges.
5881         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
5882         bfin_reorg_loops.
5883         (bfin_reorder_loops): New function.
5884         (bfin_reorg_loops): Use these three new functions.
5885
5886         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
5887         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
5888         (CONSTRAINT_LEN): Add entry for 'q'.
5889         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
5890         Add 'q' constraints.
5891         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
5892         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
5893
5894         * config/bfin/bfin.md (add_with_carry): New pattern.
5895         (s_or_u, su_optab, su_modifier): New code macros/attrs.
5896         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
5897         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
5898         support unsigned multiplies too.  Removed incorrect commutativity from
5899         operand 1 constraint where appropriate.
5900         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
5901         patterns.
5902         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
5903         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
5904         New patterns.
5905         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
5906         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
5907         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
5908         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
5909         usmulhisi_hh_huh): New patterns.
5910
5911         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
5912         lshifthi3): Fix output template to use half reg for operand 2.
5913
5914         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
5915         instead of R2.
5916
5917         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
5918
5919 2007-02-27  Andreas Schwab  <schwab@suse.de>
5920
5921         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
5922
5923 2007-02-27  Jan Hubicka  <jh@suse.cz>
5924
5925         * predict.c (last_basic_block_p): Remove.
5926         (tree_estimate_probability): Update return heuristic for commonized
5927         return blocks.
5928
5929 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5930
5931         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
5932
5933 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5934
5935         * doc/include/gcc-common.texi (versionsubtitle): New macro.
5936         * doc/cpp.texi: Standardize title page.
5937         * doc/cppinternals.texi: Likewise.
5938         * doc/gcc.texi: Standardize title page, remove version number
5939         from copyright page.
5940         * doc/gccint.texi: Likewise.
5941         * doc/install.texi: Standardize title page, add table of
5942         contents.
5943
5944 2007-02-26  Jan Hubicka  <jh@suse.cz>
5945
5946         * predict.def: Set outcomes according to more recent results.
5947         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
5948         Remove dead predictors.
5949         * predict.c (return_prediction): Fix pasto.
5950
5951 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5952
5953         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
5954         change; avoid a memory leak when returning early.
5955
5956 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
5957
5958         * c-decl.c (static_ctors): Move to c-common.c.
5959         (static_dtors): Likewise.
5960         (finish_function): Use c_record_cdtor_fn.
5961         (build_cdtor): Move to c-common.c.
5962         (c_write_global_declarations): Use c_build_cdtor_fns.
5963         * c-common.h (static_ctors): Declare.
5964         (static_dtors): Likewise.
5965         (c_record_cdtor_fn): Likewise.
5966         (c_build_cdtor_fns): Likewise.
5967         * c-common.c (static_ctors): New variable.
5968         (static_dtors): Likewise.
5969         (c_record_cdtor_fn): New function.
5970         (build_cdtor): Move from c-decl.c
5971         (c_build_cdtor_fns): New function.
5972
5973         * output.h (assemble_addr_to_section): Declare.
5974         (get_cdtor_priority_section): Likewise.
5975         * varasm.c (assemble_addr_to_section): New function.
5976         (get_cdtor_priority_section): Likewise.
5977         (default_named_section_asm_out_destructor): Use them.
5978         (destor_dtor_section_asm_out_destructor): Likewise.
5979         (default_named_section_asm_out_constructor): Likewise.
5980         (default_ctor_section_asm_out_constructor): Likewise.
5981         * config.gcc (*-*-vxworks*): Include vxworks.o.
5982         * config/t-vxworks (vxworks.o): New target.
5983         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
5984         (TARGET_ASM_CONSTRUCTOR): Define.
5985         (TARGET_ASM_DESTRUCTOR): Likewise.
5986         (vxworks_asm_out_constructor): Declare.
5987         (vxworks_asm_out_destructor): Likewise.
5988
5989         * c-common.c (get_priority): Check that we have not just an
5990         INTEGER_CST, but an integer constant with integeral type.
5991
5992 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
5993
5994         PR tree-optimization/30938
5995         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
5996         use &dt[nargs-1] instead of &dt[nargs] in the call to
5997         vect_is_simple_use().
5998
5999 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
6000
6001         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
6002         from register elimination as PRE_MODIFY / POST_MODIFY increments.
6003         Do not attempt to handle MEM inside auto-inc expressions.
6004         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
6005         of a register modified by an auto-inc expression.  However, do handle
6006         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
6007         (elimination_effects): Prohibit elimination of a register modified
6008         by an auto-inc expression.  Disable register elimination rules whose
6009         target register is modified by an auto-inc expression with variable
6010         increment.
6011
6012 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
6013
6014         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
6015         off-by-one error.
6016         (array_at_struct_end_p): New function.
6017         (idx_infer_loop_bounds): Use it.
6018         (estimate_numbers_of_iterations_loop): Export.
6019         * predict.c (predict_loops): Use estimated_loop_iterations_int.
6020         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
6021         (tree_estimate_probability): Call record_loop_exits.
6022         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
6023         (estimated_loop_iterations, estimated_loop_iterations_int,
6024         estimated_loop_iterations_tree): New functions.
6025         (analyze_siv_subscript_cst_affine,
6026         compute_overlap_steps_for_affine_1_2,
6027         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
6028         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
6029         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
6030         (PRED_LOOP_ITERATIONS_GUESSED): New.
6031         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
6032         * cfgloop.h (estimate_numbers_of_iterations_loop,
6033         estimated_loop_iterations_int): Declare.
6034
6035 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
6036
6037         * doc/extend.texi: Document optional priority argument to
6038         constructors and destructors.
6039         * tree.c (init_priority_for_decl): Adjust GTY markers.
6040         (init_ttree): Use priority-info hash functions for
6041         init_priority_for_decl.
6042         (tree_map_eq): Rename to ...
6043         (tree_map_base_eq): ... this.
6044         (tree_map_marked_p): Rename to ...
6045         (tree_map_base_marked_p): ... this.
6046         (tree_map_base_hash): New function.
6047         (decl_init_priority_lookup): Rework.
6048         (decl_fini_priority_lookup): New function.
6049         (decl_priority_info): New function.
6050         (decl_init_priority_insert): Use it.
6051         (decl_fini_priority_insert): Likewise.
6052         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
6053         hierarchy.
6054         (decl_restrict_base_insert): Likewise.
6055         (decl_debug_expr_insert): Likewise.
6056         (decl_value_expr_lookup): Likewise.
6057         (decl_value_expr_insert): Likewise.
6058         * tree.h (priority_type): New type.
6059         (decl_init_priority_lookup): Use priority_type.
6060         (decl_fini_priority_lookup): New function.
6061         (decl_init_priority_insert): Use priority_type.
6062         (decl_fini_priority_insert): New function.
6063         (DECL_HAS_INIT_PRIORITY): Tweak comments.
6064         (DECL_INIT_PRIORITY): Likewise.
6065         (SET_DECL_INIT_PRIORITY): Add comment.
6066         (DECL_FINI_PRIORITY): New macro.
6067         (SET_DECL_FINI_PRIORITY): Likewise.
6068         (DEFAULT_INIT_PRIORITY): Document.
6069         (MAX_INIT_PRIORITY): Likewise.
6070         (MAX_RESERVED_INIT_PRIORITY): Likewise.
6071         (tree_map_base): New type.
6072         (tree_map_base_eq): New function.
6073         (tree_map_base_hash): Likewise.
6074         (tree_map_base_marked_p): Likewise.
6075         (tree_map): Inherit from tree_map_base.
6076         (tree_map_eq): Make it a macro.
6077         (tree_map_marked_p): Likewise.
6078         (tree_int_map): Inherit from tree_map_base.
6079         (tree_int_map_eq): Make it a macro.
6080         (tree_int_map_hash): Likewise.
6081         (tree_int_map_marked_p): Likewise.
6082         (tree_priority_map): New type.
6083         (tree_priority_map_eq): New macro.
6084         (tree_priority_map_hash): Likewise.
6085         (tree_priority_map_marked_p): Likewise.
6086         * varasm.c (emults_decl): Adjust for refactoring of tree_map
6087         hierarchy.
6088         (emutls_common_1): Likewise.
6089         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
6090         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
6091         of tree_map hierarchy.
6092         * tree-cfg.c (move_stmt_r): Likewise.
6093         (new_label_mapper): Likewise.
6094         * c-tree.h (c_expand_body): Move to ...
6095         * c-common.h (c_expand_body): ... here.
6096         * c-decl.c (c_expand_body): Move to ...
6097         * c-common.c (c_expand_body): ... here.
6098         (c_common_attribute_table): Allow 1 argument for the constructor
6099         and destructor attributes.
6100         (get_priority): New function.
6101         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
6102         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
6103
6104 2007-02-24  Jan Hubicka  <jh@suse.cz>
6105
6106         PR middle-end/30509
6107         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
6108
6109 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6110             Jan Hubicka  <jh@suse.cz>
6111
6112         PR target/30778
6113         * i386.c (counter_mode): New function.
6114         (expand_set_or_movmem_via_loop): Use it.
6115         (expand_movmem_epilogue): Likewise; fix pasto.
6116         (ix86_expand_movmem): Do emit guard even for constant counts.
6117         (ix86_expand_setmem): Likewise.
6118
6119 2007-02-25  Nick Clifton  <nickc@redhat.com>
6120
6121         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
6122         (JUMP_TABLES_IN_TEXT_SECTION): Define.
6123
6124 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6125
6126         PR target/30770
6127         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
6128         count argument with 0x10, not with 0x16.
6129         (expand_setmem_epilogue): Ditto.
6130
6131 2007-02-24  Mike Stump  <mrs@apple.com>
6132
6133         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
6134         symbols.
6135
6136 2007-02-24  Richard Guenther  <rguenther@suse.de>
6137
6138         PR middle-end/30951
6139         * fold-const.c (fold_binary): Fold x +- CST op x for
6140         EQ_EXPR and NE_EXPR.
6141
6142 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6143
6144         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
6145
6146 2007-02-24  Jan Hubicka  <jh@suse.cz>
6147
6148         * cgraphunit.c (decide_is_function_needed): Honor
6149         -fkeep-inline-functions.
6150
6151 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6152
6153         * builtins.c (fold_builtin_modf): New.
6154         (fold_builtin_2): Use it.
6155
6156 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
6157
6158         * loop-iv.c (implies_p): Detect additional cases where A implies B.
6159         (determine_max_iter): Take additional LOOP arg; all callers changed.
6160         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
6161         one using simplifications.
6162         (simplify_using_initial_values): Return if the expression becomes
6163         invalid due to altered regs.
6164
6165 2007-02-23  DJ Delorie  <dj@redhat.com>
6166
6167         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
6168
6169 2007-02-23  Mike Stump  <mrs@apple.com>
6170
6171         * tlink.c (scan_linker_output): Parse linker messages from
6172         darwin9's linker better.
6173
6174 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
6175
6176         PR debug/29614
6177         * varpool.c (varpool_assemble_pending_decls):  Set
6178         varpool_last_needed_node to null.
6179
6180 2007-02-23  DJ Delorie  <dj@redhat.com>
6181
6182         * config/i386/i386.c (ix86_data_alignment): Don't specify an
6183         alignment bigger than the object file can handle.
6184
6185 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
6186
6187         PR target/30825
6188         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
6189         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
6190         (*movsf_1): Penalize MMX moves.
6191
6192 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
6193
6194         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
6195         2^32-1 or more times unless flag_unsafe_loop_optimizations.
6196
6197         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
6198
6199 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6200
6201         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
6202         (fold_builtin_1): Use them.
6203         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
6204         BUILT_IN_SIGNIFICAND.
6205
6206 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6207
6208         * config/i386/i386.c (bdesc_1arg): Initialize
6209         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
6210         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
6211         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
6212         and IX86_BUILTIN_MOVSLDUP.
6213
6214 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
6215
6216         PR rtl-optimization/30841
6217         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
6218
6219 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6220
6221         * builtins.c (fold_builtin_frexp): New.
6222         (fold_builtin_2): Use it.
6223
6224 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
6225
6226         * doc/invoke.texi (Spec Files): Document getenv spec function.
6227
6228         * gcc.c (getenv_spec_function): New function.
6229         (static_spec_functions): Add it.
6230         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
6231         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
6232         header files.
6233
6234 2007-02-22  Michael Matz  <matz@suse.de
6235
6236         PR c++/29433
6237         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
6238         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
6239
6240 2007-02-22  Ian Lance Taylor  <iant@google.com>
6241
6242         PR debug/30898
6243         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
6244         (mem_loc_descriptor): Call it.
6245
6246 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
6247             Ira Rosen  <irar@il.ibm.com>
6248
6249         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
6250
6251 2007-02-22  Ira Rosen  <irar@il.ibm.com>
6252
6253         PR tree-optimization/30843
6254         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
6255         stores only after all the group is vectorized.
6256
6257 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
6258
6259         PR tree-optimization/30858
6260         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
6261         in the reduction cycle have a single use in the loop.
6262         * tree-vectorizer.h (relevant): Add documentation.
6263
6264 2007-02-20  Mike Stump  <mrs@apple.com>
6265
6266         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
6267         * configure: Regenerate.
6268
6269 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
6270
6271         Change the defaults of some parameters and options.
6272         * config/spu/spu-protos.h (spu_optimization_options): Declare.
6273         * config/spu/spu.c (spu_optimization_options): Add.
6274         (spu_override_options): Change params in spu_optimization_options.
6275         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
6276
6277         Register 127 is only 16 byte aligned when used as a frame pointer.
6278         * config/spu/spu-protos.h (spu_init_expanders): Declare.
6279         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
6280         HARD_FRAME_POINTER_REGNUM.
6281         (spu_legitimate_address):  Use regno_aligned_for_reload.
6282         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
6283         aligned when frame_pointer_needed is true.
6284         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
6285         to 8 bits.
6286         * config/spu/spu.h (INIT_EXPANDERS): Define.
6287
6288         Make sure shift and rotate instructions have valid immediate operands.
6289         * config/spu/predicates.md (spu_shift_operand): Remove.
6290         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
6291         * config/spu/constraints.md (W, O): Extend range.
6292         * config/spu/spu.md (umask, nmask): Define.
6293         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
6294         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
6295         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
6296         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
6297         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
6298         (lshr<mode>3_reg):  Fix rtl description.
6299
6300         Make sure mulhisi immediate operands are valid.
6301         * config/spu/predicates.md (imm_K_operand): Add.
6302         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
6303
6304         Generate constants using fsmbi and andi.
6305         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6306         (print_operand, spu_split_immediate, classify_immediate,
6307         fsmbi_const_p): Handle IC_FSMBI2.
6308
6309         Correctly handle a CONST_VECTOR containing symbols.
6310         * config/spu/spu.c (print_operand): Handle HIGH correctly.
6311         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6312         (immediate_load_p): Allow symbols that use 2 instructions to create.
6313         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
6314         with symbols when flag_pic is set.
6315         (const_vector_immediate_p): New.
6316         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6317         accept a CONST_VECTOR with symbols.
6318         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
6319         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
6320         correctly.
6321         * config/spu/spu.md (high, low): Delete.
6322         (low_<mode>): Define.
6323
6324         Remove INTRmode and INTR_REGNUM, which didn't work.
6325         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6326         of INTR_REGNUM.
6327         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6328         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6329         peephole2 pattern): Don't use INTR or 131.
6330         (movintrcc): Delete.
6331         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6332         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6333         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6334         (UNSPEC_SET_INTR): Add.
6335         * config/spu/spu-modes.def (INTR): Remove.
6336
6337         More accurate warnings about run-time relocations.
6338         * config/spu/spu.c (reloc_diagnostic): Test in_section.
6339
6340         Correctly warn about immediate arguments to specific intrinsics.
6341         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6342         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6343         the instruction predicate.
6344
6345         Fix tree check errors with latest update.
6346         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
6347         CALL_EXPR_ARG.
6348         (spu_expand_builtin): Use CALL_EXPR_FN.
6349
6350         Add missing specific intrinsics.
6351         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
6352         si_bislede.
6353         * config/spu/spu_internals.h: Ditto.
6354
6355         Fix incorrect operand modifiers.
6356         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
6357         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
6358
6359         Optimize one case of zero_extend of a vec_select.
6360         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
6361
6362         Accept any immediate for hbr.
6363         * config/spu/spu.md (hbr):  Change s constraints to i.
6364
6365 2007-02-21  Paul Brook  <paul@codesourcery.com>
6366
6367         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
6368         condexec_count when skipping USE and CLOBBER.
6369
6370 2007-02-21  Nick Clifton  <nickc@redhat.com>
6371
6372         * common.opt (Warray-bounds): Add Warning attribute.
6373         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
6374         Likewise.
6375         (fsized-zeroes): Add Optimization attribute.
6376         (fsplit-wide-types, ftree-scev-cprop): Likewise.
6377         * c.opt (Wc++0x-compat): Add Warning attribute.
6378
6379 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6380
6381         PR middle-end/30761
6382         * reload1.c (eliminate_regs_in_insn): In the single_set special
6383         case, attempt to re-recognize the insn before falling back to
6384         having reload fix it up.
6385
6386 2007-02-20  Eric Christopher  <echristo@gmail.com>
6387
6388         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6389         Rewrite accordingly.
6390         (frv_read_iacc_argument): Ditto.
6391         (frv_expand_set_builtin): Take a call instead of arglist, update for
6392         above changes.
6393         (frv_expand_unop_builtin): Ditto.
6394         (frv_expand_binop_builtin): Ditto.
6395         (frv_expand_cut_builtin): Ditto.
6396         (frv_expand_binopimm_builtin): Ditto.
6397         (frv_expand_voidbinop_builtin): Ditto.
6398         (frv_expand_int_void2arg): Ditto.
6399         (frv_expand_prefetches): Ditto.
6400         (frv_expand_voidtriop_builtin): Ditto.
6401         (frv_expand_voidaccop_builtin): Ditto.
6402         (frv_expand_load_builtin): Ditto.
6403         (frv_expand_store_builtin): Ditto.
6404         (frv_expand_mdpackh_builtin): Ditto.
6405         (frv_expand_mclracc_builtin): Ditto.
6406         (frv_expand_mrdacc_builtin): Ditto.
6407         (frv_expand_mwtacc_builtin): Ditto.
6408         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
6409         calls for above.
6410
6411 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
6412
6413         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
6414         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
6415         cmpb instruction.
6416         (HAVE_GAS_DFP): Check for assembler support of decimal floating
6417         point instructions.
6418         * configure: Regenerate.
6419         * config.in: Regenerate.
6420         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
6421         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
6422         masks to power6 and power6x and to POWERPC_MASKS.
6423         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6424         _ARCH_PWR6.
6425         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
6426         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
6427         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6428         Access PROTOTYPE as variable, not mask.
6429
6430 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6431
6432         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
6433         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
6434         * combine.c (adjust_for_new_dest): Use it.
6435         * postreload.c (reload_combine): Likewise.
6436
6437 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6438
6439         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
6440         notes on an insn with multiple sets, even if single_set returns
6441         non-NULL for that insn.
6442
6443 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6444
6445         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
6446         scalbn and scalbln.
6447
6448 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
6449
6450         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
6451         if user didn't pass it.
6452         * config/i386/darwin.h (CC1_SPEC): Likewise.
6453         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
6454         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
6455         -mmacosx-version-min.
6456
6457 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6458             Uros Bizjak  <ubizjak@gmail.com>
6459
6460         * optabs.h (enum optab_index): Add new OTI_scalb.
6461         (scalb_optab): Define corresponding macro.
6462         * optabs.c (init_optabs): Initialize scalb_optab.
6463         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
6464         patterns.
6465         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
6466         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
6467         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
6468         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
6469         flag_unsafe_math_optimizations is set.
6470
6471         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
6472         to implement scalbf, scalb and scalbl built-ins as inline x87
6473         intrinsics.
6474
6475 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6476             DJ Delorie <dj@redhat.com>
6477
6478         PR other/30824
6479         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
6480         (diagnostic_report_diagnostic): ... here, and turn them into real
6481         errors. If warnings are inhibited, no need to do anything.
6482
6483 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
6484
6485         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
6486         better code generation.
6487
6488 2007-02-20  Ben Elliston  <bje@au.ibm.com>
6489
6490         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
6491
6492 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
6493
6494         * config/alpha/alpha.c, config/alpha/alpha.md,
6495         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
6496         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
6497         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
6498         config/arm/lib1funcs.asm: Follow spelling conventions.
6499
6500         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
6501         config/fr30/fr30.md, config/i386/i386.h,
6502         config/iq2000/iq2000.h, config/iq2000/predicates.md,
6503         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
6504         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6505         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
6506         config/rs6000/altivec.md, config/rs6000/rs6000.c,
6507         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
6508         config/sparc/sparc.c, config/sparc/sparc.h,
6509         config/sparc/sparc.md, config/spu/constraints.md,
6510         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
6511         conventions.
6512
6513 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
6514
6515         PR target/29943
6516         * varasm.c (use_blocks_for_decl_p): Return false for decls with
6517         alias attribute.
6518
6519 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6520
6521         * doc/invoke.texi (-ftree-lrs): Remove.
6522
6523 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
6524
6525         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
6526         NULL.
6527
6528 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
6529
6530         * config/ia64/ia64.c (ia64_expand_builtin): Use the
6531         new CALL_EXPR_FN macro for retrieving the function
6532         declaration of the input expression.
6533
6534 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6535
6536         * c.opt (Waddress): New.
6537         * common.opt (Walways-true): Delete.
6538         (Wstring-literal-comparison): Delete.
6539         * doc/invoke.texi (Warning Options): Delete -Walways-true and
6540         -Wstring-literal-comparison. Add -Waddress.
6541         (Waddress): New.
6542         (Walways-true): Delete.
6543         (Wstring-literal-comparison): Delete.
6544         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
6545         consistently instead of -Walways-true in example.
6546         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
6547         * c-typeck.c (parser_build_binary_op): Replace
6548         -Wstring-literal-comparison and -Walways-true with -Waddress.
6549         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6550         with -Waddress.
6551
6552 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6553
6554         * tree-cfg.c (dump_function_to_file): Be prepared for functions
6555         without DECL_STRUCT_FUNCTION initialized.
6556
6557 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6558
6559         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6560         due to calls to functions taking pointers as parameters.
6561
6562 2007-02-19  Richard Henderson  <rth@redhat.com>
6563
6564         PR debug/29558
6565         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6566         in memory.
6567
6568 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6569
6570         * config/s390/s390.c (s390_call_saved_register_used,
6571         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6572         accessed to the new scheme.
6573
6574 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6575
6576         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6577         (cris_print_index, cris_print_operand, cris_print_operand_address)
6578         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6579         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6580         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6581         GET_CODE () == xxx.
6582         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6583         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6584         GO_IF_LEGITIMATE_ADDRESS): Ditto.
6585         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6586         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6587         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6588         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6589         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6590         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6591         (uminsi3, call, call_value): Ditto.
6592         (define_split: indir_to_reg_split, unnamed): Ditto.
6593
6594 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
6595
6596         PR tree-optimization/30975
6597         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6598         wrong assert.
6599
6600 2007-02-18  Eric Christopher  <echristo@gmail.com>
6601
6602         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6603         Remove use of arglist.
6604         (mips_expand_builtin): Remove use of arglist, pass in expr.
6605         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6606         (mips_expand_builtin_movtf): Ditto.
6607         (mips_expand_builtin_compare): Ditto.
6608
6609 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6610
6611         * tree-sra.c (sra_build_assignment): Replace assertion
6612         checking with a comment explaining why it can't be done.
6613
6614 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6615
6616         PR middle-end/30833
6617         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6618         during CALL_EXPR representation conversion.
6619         * tree-ssa-propagate.c (set_rhs): Likewise.
6620
6621 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6622
6623         * tree-sra.c (sra_build_assignment): Disable assertion checking
6624         for now.
6625
6626 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6627
6628         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
6629         instead of calling build2 with a GIMPLE_MODIFY_STMT.
6630         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
6631         Likewise.
6632         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
6633         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
6634         gimplify_init_ctor_eval_range, gimple_push_cleanup,
6635         gimplify_omp_for, gimplify_omp_atomic_pipeline,
6636         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
6637         force_gimple_operand): Likewise.
6638         * ipa-cp.c (constant_val_insert): Likewise.
6639         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6640         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
6641         perfect_nestify): Likewise.
6642         * langhooks.c (lhd_omp_assignment): Likewise.
6643         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
6644         lower_copyprivate_clauses, lower_send_clauses,
6645         lower_send_shared_vars, expand_parallel_call,
6646         expand_omp_for_generic, expand_omp_for_static_nochunk,
6647         expand_omp_for_static_chunk, expand_omp_sections,
6648         lower_omp_single_copy, lower_omp_for_lastprivate,
6649         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
6650         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6651         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
6652         Likewise.
6653
6654 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6655
6656         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
6657         config/sh/sh.md: Follow spelling conventions.
6658
6659         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
6660         config/frv/predicates.md: Follow spelling conventions.
6661
6662         * config/m68k/linux-unwind.h: Fix a comment typo.
6663         * target.h: Follow spelling conventions.
6664
6665 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6666
6667         PR rtl-optimization/28173
6668         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
6669         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
6670         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
6671         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
6672         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
6673
6674 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6675
6676         * builtins.c (fold_builtin_load_exponent): New.
6677         (fold_builtin_2): Use it.
6678
6679 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
6680
6681         PR rtl-optimization/30773
6682         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
6683         if we fail to attach a REG_EQUIV note.
6684
6685 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
6686             Roger Sayle  <roger@eyesopen.com>
6687
6688         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
6689
6690 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6691
6692         * calls.c (initialize_argument_information): Pass original EXP
6693         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
6694         code to split complex arguments here, as part of initializing the
6695         ARGS array.
6696         (expand_call): Remove code that builds a list of arguments and
6697         inserts implicit arguments into it.  Instead, just count how many
6698         implicit arguments there will be so we can determine the size of
6699         the ARGS array, and let initialize_argument_information do the work.
6700         (split_complex_values): Delete unused function.
6701
6702 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6703
6704         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
6705
6706 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6707
6708         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
6709         for arg pointer based indexed addressing.
6710
6711 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6712
6713         * config/ia64/ia64.h, config/ia64/ia64.md,
6714         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
6715         spelling conventions.
6716
6717 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6718
6719         * config/m68k/m68k.c (split_di): New.
6720         * config/m68k/m68k-protos.h: Declare split_di.
6721         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
6722           Improve predicate handling and split constant shifts.
6723
6724 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6725
6726         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
6727         parameter for register bitfield operations, general predicates
6728         cleanup
6729
6730 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6731
6732         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
6733         * config/m68k/linux-unwind.h: New file.
6734
6735 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6736
6737         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
6738         config/i386/athlon.md, config/ia64/ia64.md,
6739         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
6740         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
6741         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
6742         tree-ssa-loop-niter.c, tree-vect-analyze.c,
6743         tree-vect-transform.c: Fix comment typos.
6744
6745 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
6746
6747         * sched-deps.c (find_insn_list): Remove.
6748         * sched-int.h: Remove the prototype for find_insn_list.
6749
6750 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
6751
6752         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
6753         to linker.
6754         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
6755         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
6756         darwin_rs6000_override_options.
6757         (C_COMMON_OVERRIDE_OPTIONS): Expect
6758         darwin_macosx_version_min to be non-NULL always.
6759         (TARGET_C99_FUNCTIONS): Likewise.
6760         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
6761         (DARWIN_MINVERSION_SPEC): New.
6762         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
6763         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
6764         to cc1*.
6765         (DARWIN_MINVERSION_SPEC): New.
6766         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
6767         value.
6768         * config/darwin-c.c (darwin_cpp_builtins): Expect
6769         darwin_macosx_version_min to be non-NULL always.
6770
6771         * config/rs6000/rs6000.c: Clean up trailing whitespace.
6772
6773 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
6774
6775         * config/i386/i386.h (x86_use_xchgb): New.
6776         (TARGET_USE_XCHGB): New macro.
6777         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
6778         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
6779         Split after reload into bswaphi for shifts of 8.
6780         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
6781         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
6782         or when optimizing for size.
6783
6784 2007-02-16  Richard Guenther  <rguenther@suse.de>
6785             Christian Bruel  <christian.bruel@st.com>
6786
6787         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
6788         DECLs but prefer SSA_NAMEs over DECLs.
6789
6790 2007-02-16  Richard Guenther  <rguenther@suse.de>
6791
6792         * tree-flow-inline.h (single_imm_use_p): Remove.
6793         (zero_imm_uses_p): Likewise.
6794         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
6795         instead of single_imm_use_p.
6796         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
6797         zero_imm_uses_p.
6798
6799 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6800
6801         PR other/27843
6802         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
6803         nested double- and backquotes.
6804
6805 2007-02-15  Roger Sayle  <roger@eyesopen.com>
6806
6807         PR middle-end/30391
6808         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
6809         should be unreachable.
6810         (build2_stat): Allow construction of MODIFY_EXPR at any time.
6811         For the time being redirect GIMPLE_MODIFY_STMT to the new
6812         (renamed) build_gimple_modify_stmt_stat.
6813         (build2_gimple_stat): Rename to...
6814         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
6815         Always build a GIMPLE_MODIFY_STMT node.
6816         * tree.h (build2_gimple, build2_gimple_stat): Delete.
6817         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
6818         declarations.
6819
6820         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
6821         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
6822         * tree-complex.c (set_component_ssa_name, expand_complex_move,
6823         expand_complex_div_wide): Likewise.
6824         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
6825         * tree-ssa-loop-im.c (schedule_sm): Likewise.
6826         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
6827         * tree-ssa-loop-manip.c (create_iv): Likewise.
6828         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
6829         abs_replacement): Likewise.
6830         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
6831         realify_fake_stores): Likewise.
6832
6833         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
6834         node rather than a GIMPLE_MODIFY_STMT node.
6835         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
6836         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
6837         Likewise.
6838         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
6839         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
6840         GIMPLE_MODIFY_STMT.
6841
6842 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6843
6844         PR middle-end/30433
6845         * fold-const.c (fold_comparison): Add back the
6846         folding of constant complex comparisions.
6847
6848 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6849
6850         PR middle-end/30729
6851         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
6852         effects unknown to this function, return early.
6853
6854 2007-02-15  Ian Lance Taylor  <iant@google.com>
6855
6856         * lower-subreg.c (move_eh_region_note): New static function.
6857         (resolve_simple_move): Call it.
6858         (decompose_multiword_subregs): Track blocks for which we resolve a
6859         simple move which is also a control flow insn.  Pass them to
6860         find_many_sub_basic_blocks.
6861         (pass_lower_subreg): Add TODO_verify_flow.
6862         (pass_lower_subreg2): Likewise.
6863
6864 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6865             Brooks Moses  <brooks.moses@codesourcery.com>
6866             Lee Millward  <lee.millward@codesourcery.com>
6867
6868         * tree.h (enum tree_code_class): Add tcc_vl_exp.
6869         (VL_EXP_CLASS_P): New.
6870         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
6871         TREE_CODE_LENGTH.
6872         (TREE_OPERAND_CHECK_CODE): Likewise.
6873         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
6874         (TREE_RTL_OPERAND_CHECK): Likewise.
6875         (tree_operand_check_failed): Make second parameter the whole tree
6876         instead of its code.  Fixed callers.
6877         (VL_EXP_CHECK): New.
6878         (TREE_OPERAND_LENGTH): New.
6879         (VL_EXP_OPERAND_LENGTH): New.
6880         (CALL_EXPR_FN): New.
6881         (CALL_EXPR_STATIC_CHAIN): New.
6882         (CALL_EXPR_ARGS): New.
6883         (CALL_EXPR_ARG): New.
6884         (call_expr_nargs): New.
6885         (CALL_EXPR_ARGP): New.
6886         (build_nt_call_list): Declare.
6887         (build_vl_exp_stat): Declare.
6888         (build_vl_exp): New.
6889         (build_call_list): Declare.
6890         (build_call_nary): Declare.
6891         (build_call_valist): Declare.
6892         (build_call_array): Declare.
6893         (call_expr_arg): Declare.
6894         (call_expr_argp): Declare.
6895         (call_expr_arglist): Declare.
6896         (fold_build_call_list): Declare.
6897         (fold_build_call_list_initializer): Declare.
6898         (fold_call_expr): Declare to replace fold_builtin.
6899         (fold_builtin_fputs): Update to agree with modified definition.
6900         (fold_builtin_strcpy): Likewise.
6901         (fold_builtin_strncpy): Likewise.
6902         (fold_builtin_memory_chk): Likewise.
6903         (fold_builtin_stxcpy_chk): Likewise.
6904         (fold_builtin_strncpy_chk): Likewise.
6905         (fold_builtin_next_arg): Likewise.
6906         (fold_build_call_expr): Declare.
6907         (fold_builtin_call_list): Declare.
6908         (fold_builtin_call_valist): Declare.
6909         (build_call_expr): Declare.
6910         (validate_arglist): Update to agree with modified definition.
6911         (tree_operand_length): New.
6912         (call_expr_arg_iterator): New.
6913         (init_call_expr_arg_iterator): New.
6914         (next_call_expr_arg): New.
6915         (first_call_expr_arg): New.
6916         (more_call_expr_args_p): New.
6917         (FOR_EACH_CALL_EXPR_ARG): New.
6918
6919         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
6920         and tcc_gimple_stmt.
6921         (tree_code_size): Update documentation.  Use sizeof (tree) rather
6922         than sizeof (char *).
6923         (tree_size): Likewise.  Add case for tcc_vl_exp.
6924         (tree_node_structure): Add case for tcc_vl_exp.
6925         (contains_placeholder_p): Likewise.
6926         (substitute_in_expr): Likewise.
6927         (substitute_placeholder_in_expr): Likewise.
6928         (stabilize_reference_1): Likewise.
6929         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
6930         to diagnose breakage of this interface for constructing CALL_EXPRs.
6931         (build_nt): Add similar assertion here.
6932         (build_nt_call_list): New.
6933         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
6934         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
6935         TREE_CODE_LENGTH.
6936         (get_callee_fndecl): Use new CALL_EXPR accessors.
6937         (tree_operand_check_failed): Change parameters to pass entire node
6938         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
6939         (process_call_operands): New.
6940         (build_vl_exp_stat): New.
6941         (build_call_list): New.
6942         (build_call_nary): New.
6943         (build_call_valist): New.
6944         (build_call_array): New.
6945         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6946         (call_expr_arglist): New.
6947
6948         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
6949         tcc_vl_exp instead of a fixed-size tcc_expression.
6950
6951         * doc/c-tree.texi (CALL_EXPR): Document new representation and
6952         accessors for CALL_EXPRs.
6953         (AGGR_INIT_EXPR): Likewise.
6954
6955 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6956             Brooks Moses  <brooks.moses@codesourcery.com>
6957             Lee Millward  <lee.millward@codesourcery.com>
6958
6959         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
6960         (expand_builtin_nonlocal_goto): Change parameter to be entire
6961         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
6962         (expand_builtin_prefetch): Likewise.
6963         (expand_builtin_classify_type): Likewise.
6964         (mathfn_built_in): Return NULL_TREE instead of 0.
6965         (expand_errno_check): Use new CALL_EXPR accessors.
6966         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
6967         Return NULL_RTX instead of 0.
6968         (expand_builtin_mathfn_2): Likewise.
6969         (expand_builtin_mathfn_3): Likewise.
6970         (expand_builtin_interclass_mathfn): Likewise.
6971         (expand_builtin_sincos): Likewise.
6972         (expand_builtin_cexpi): Likewise.
6973         (expand_builtin_int_roundingfn): Likewise.
6974         (expand_builtin_int_roundingfn_2): Likewise.
6975         (expand_builtin_pow): Likewise.
6976         (expand_builtin_powi): Likewise.
6977         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
6978         of arglist, fixing callers appropriately.  Use new CALL_EXPR
6979         accessors and constructors.  Return NULL_RTX instead of 0.
6980         (expand_builtin_strstr): Likewise.
6981         (expand_builtin_strchr): Likewise.
6982         (expand_builtin_strrchr): Likewise.
6983         (expand_builtin_strpbrk): Likewise.
6984         (expand_builtin_memcpy): Likewise.
6985         (expand_builtin_mempcpy): Likewise.
6986         (expand_builtin_mempcpy_args): New.
6987         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
6988         (expand_builtin_memmove_args): New.
6989         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
6990         (expand_movstr): Likewise.
6991         (expand_builtin_strcpy): Likewise.
6992         (expand_builtin_strcpy_args): New.
6993         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
6994         (expand_builtin_strncpy): Likewise.
6995         (expand_builtin_memset): Likewise.
6996         (expand_builtin_memset_args): New.
6997         (expand_builtin_bzero): Similarly to expand_builtin_memset.
6998         (expand_builtin_memcmp): Likewise.
6999         (expand_builtin_strcmp): Likewise.
7000         (expand_builtin_strncmp): Likewise.
7001         (expand_builtin_strcat): Likewise.
7002         (expand_builtin_strncat): Likewise.
7003         (expand_builtin_strspn): Likewise.
7004         (expand_builtin_strcspn): Likewise.
7005         (expand_builtin_args_info): Likewise.
7006         (expand_builtin_va_start): Likewise.
7007         (gimplify_va_arg_expr): Likewise.
7008         (expand_builtin_va_end): Likewise.
7009         (expand_builtin_va_copy): Likewise.
7010         (expand_builtin_frame_address): Likewise.
7011         (expand_builtin_alloca): Likewise.
7012         (expand_builtin_bswap): Likewise.
7013         (expand_builtin_unop): Likewise.
7014         (expand_builtin_fputs): Likewise.
7015         (expand_builtin_expect): Likewise.
7016         (expand_builtin_fabs): Likewise.
7017         (expand_builtin_copysign): Likewise.
7018         (expand_builtin_printf): Likewise.
7019         (expand_builtin_fprintf): Likewise.
7020         (expand_builtin_sprintf): Likewise.
7021         (expand_builtin_init_trampoline): Likewise.
7022         (expand_builtin_signbit): Likewise.
7023         (expand_builtin_fork_or_exec): Likewise.
7024         (expand_builtin_sync_operation): Likewise.
7025         (expand_builtin_compare_and_swap): Likewise.
7026         (expand_builtin_lock_test_and_set): Likewise.
7027         (expand_builtin_lock_release): Likewise.
7028         (expand_builtin): Likewise.
7029         (builtin_mathfn_code): Likewise.
7030
7031         (fold_builtin_constant_p): Pass call arguments individually instead
7032         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7033         accessors and constructors.  Return NULL_TREE instead of 0.
7034         (fold_builtin_expect): Likewise.
7035         (fold_builtin_classify_type): Likewise.
7036         (fold_builtin_strlen): Likewise.
7037         (fold_builtin_nan): Likewise.
7038         (integer_valued_real_p): Likewise.
7039         (fold_trunc_transparent_mathfn): Likewise.
7040         (fold_fixed_mathfn): Likewise.
7041         (fold_builtin_cabs): Likewise.
7042         (fold_builtin_sqrt): Likewise.
7043         (fold_builtin_cbrt): Likewise.
7044         (fold_builtin_cos): Likewise.
7045         (fold_builtin_cosh): Likewise.
7046         (fold_builtin_tan): Likewise.
7047         (fold_builtin_sincos): Likewise.
7048         (fold_builtin_cexp): Likewise.
7049         (fold_builtin_trunc): Likewise.
7050         (fold_builtin_floor): Likewise.
7051         (fold_builtin_ceil): Likewise.
7052         (fold_builtin_round): Likewise.
7053         (fold_builtin_int_roundingfn): Likewise.
7054         (fold_builtin_bitop): Likewise.
7055         (fold_builtin_bswap): Likewise.
7056         (fold_builtin_logarithm): Likewise.
7057         (fold_builtin_hypot): Likewise.
7058         (fold_builtin_pow): Likewise.
7059         (fold_builtin_powi): Likewise.
7060         (fold_builtin_exponent): Likewise.
7061         (fold_builtin_memset): Likewise.
7062         (fold_builtin_bzero): Likewise.
7063         (fold_builtin_memory_op): Likewise.
7064         (fold_builtin_bcopy): Deleted; call site changed to invoke
7065         fold_builtin_memory_op directly.
7066         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
7067         (fold_builtin_strncpy): Likewise.
7068         (fold_builtin_memcmp): Likewise.
7069         (fold_builtin_strcmp): Likewise.
7070         (fold_builtin_strncmp): Likewise.
7071         (fold_builtin_signbit): Likewise.
7072         (fold_builtin_copysign): Likewise.
7073         (fold_builtin_isascii): Likewise.
7074         (fold_builtin_toascii): Likewise.
7075         (fold_builtin_isdigit): Likewise.
7076         (fold_builtin_fabs): Likewise.
7077         (fold_builtin_abs): Likewise.
7078         (fold_builtin_fmin_fmax): Likewise.
7079         (fold_builtin_carg): Likewise.
7080         (fold_builtin_classify): Likewise.
7081         (fold_builtin_unordered_cmp): Likewise.
7082
7083         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
7084         New functions split out from fold_builtin_1.
7085         (fold_builtin_n): New.
7086         (fold_builtin_varargs): New.
7087         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
7088         instead.
7089         (fold_call_expr): New.
7090         (build_function_call_expr): Rewrite to use new helper function.
7091         (fold_builtin_call_list): New.
7092         (build_call_expr): New.
7093         (fold_builtin_call_valist): New.
7094         (rewrite_call_expr): New.
7095         (validate_arg): New.
7096         (validate_arglist): Change parameter to be entire CALL_EXPR instead
7097         of an arglist.  Change return type to bool.  Use new CALL_EXPR
7098         accessors.
7099
7100         (fold_builtin_strstr):  Pass call arguments individually instead
7101         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7102         accessors and constructors.  Return NULL_TREE instead of 0.
7103         (fold_builtin_strchr): Likewise.
7104         (fold_builtin_strrchr): Likewise.
7105         (fold_builtin_strpbrk): Likewise.
7106         (fold_builtin_strcat): Likewise.
7107         (fold_builtin_strncat): Likewise.
7108         (fold_builtin_strspn): Likewise.
7109         (fold_builtin_strcspn): Likewise.
7110         (fold_builtin_fputs): Likewise.
7111         (fold_builtin_next_arg): Likewise.
7112         (fold_builtin_sprintf): Likewise.
7113
7114         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
7115         NULL_RTX instead of 0.
7116         (expand_builtin_memory_chk): Likewise.
7117         (maybe_emit_chk_warning): Likewise.
7118         (maybe_emit_sprintf_chk_warning): Likewise.
7119
7120         (fold_builtin_object_size): Pass call arguments individually instead
7121         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7122         accessors and constructors.  Return NULL_TREE instead of 0.
7123         (fold_builtin_memory_chk): Likewise.
7124         (fold_builtin_stxcpy_chk): Likewise.
7125         (fold_builtin_strncpy_chk): Likewise.
7126         (fold_builtin_strcat_chk): Likewise.
7127         (fold_builtin_strcat_chk): Likewise.
7128         (fold_builtin_strncat_chk): Likewise.
7129         (fold_builtin_sprintf_chk): Likewise.
7130         (fold_builtin_snprintf_chk): Likewise.
7131         (fold_builtin_printf): Likewise.
7132         (fold_builtin_vprintf): Likewise.
7133
7134         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
7135         constructors.
7136         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
7137         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7138         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
7139         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
7140         (fold_unary): Likewise.
7141         (fold_binary): Likewise.
7142         (fold_ternary): Remove CALL_EXPR case, since they are no longer
7143         ternary expressions.
7144         (fold): Add logic for tcc_vl_exp.
7145         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
7146         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7147         (fold_build3_stat): Add assertion to flag broken interface for
7148         constructing CALL_EXPRs.
7149         (fold_build_call_list): New.
7150         (fold_build_call_list_initializer): New.
7151         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
7152         constructors.
7153         (fold_strip_sign_ops): Likewise.
7154
7155 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7156             Brooks Moses  <brooks.moses@codesourcery.com>
7157             Lee Millward  <lee.millward@codesourcery.com>
7158
7159         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
7160         accessors and dump arguments explicitly.
7161
7162         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
7163         TREE_CODE_LENGTH.
7164         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
7165         explicitly.
7166         (print_call_name): Use new CALL_EXPR accessors.
7167
7168         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
7169         CALL_EXPR arguments explicitly instead of as a list.  Use
7170         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7171
7172         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
7173         (vrp_visit_stmt): Likewise.
7174
7175         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
7176         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
7177         TREE_CODE_LENGTH.
7178         (force_move_till_expr): Likewise.
7179
7180         * targhooks.c (default_external_stack_protect_fail): Use
7181         build_call_expr instead of build_function_call_expr.
7182         (default_hidden_stack_protect_fail): Likewise.
7183
7184         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
7185         build the call.
7186
7187         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
7188         and walk arguments explicitly.
7189
7190         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
7191         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7192         (expand_simple_operations): Likewise.
7193         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
7194
7195         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
7196         of TREE_CODE_LENGTH.
7197         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
7198
7199         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
7200         instead of TREE_CODE_LENGTH.
7201
7202         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
7203         (tree_ic_transform): Likewise.
7204         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
7205         parameter instead of arglist.  Fix callers.
7206         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
7207         (tree_stringops_transform): Likewise.
7208         (tree_indirect_call_to_profile): Likewise.
7209         (tree_stringops_values_to_profile): Likewise.
7210
7211         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
7212         (eliminate_tail_call): Likewise.
7213
7214         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
7215
7216         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7217         Use TREE_OPERAND_LENGTH and generalize to handle any number of
7218         operands.
7219         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
7220
7221         * omp-low.c (build_omp_barrier): Use build_call_expr.
7222         (lower_rec_input_clauses): Likewise.
7223         (lower_reduction_clauses): Likewise.
7224         (expand_parallel_call): Likewise.
7225         (maybe_catch_exception): Likewise.
7226         (expand_omp_for_generic): Likewise.
7227         (expand_omp_for_static_nochunk): Likewise.
7228         (expand_omp_sections): Likewise.
7229         (lower_omp_single_simple): Likewise.
7230         (lower_omp_single_copy): Likewise.
7231         (lower_omp_master): Likewise.
7232         (lower_omp_ordered): Likewise.
7233         (lower_omp_critical): Likewise.
7234
7235         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
7236         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
7237
7238         * tree-gimple.c (is_gimple_call_addr): Fix doc.
7239         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
7240         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
7241
7242         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
7243         and generalize to handle any number of operands.
7244         (chrec_contains_undetermined): Likewise.
7245         (tree_contains_chrecs): Likewise.
7246         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
7247
7248         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
7249
7250         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
7251         fold_call_expr instead of fold_builtin.
7252         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
7253         match declarations there.
7254         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
7255         updates.
7256
7257         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
7258         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7259
7260         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
7261         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
7262
7263         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
7264         accessors.
7265
7266         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
7267         (execute_cse_sincos): Use new CALL_EXPR accessors.
7268
7269         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
7270
7271         * gimple-low.c (lower_function_body): Use build_call_expr.
7272         (lower_builtin_setjmp): Likewise.
7273
7274         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
7275         (set_storage_via_libcall): Likewise.
7276         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
7277         instead of TREE_CODE_LENGTH.
7278         (expand_expr_real_1): Use new CALL_EXPR accessors.
7279
7280         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
7281         generalize to handle any number of operands.
7282         (TB_parent_eq): Likewise.
7283
7284         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
7285         (strip_builtin_expect): Likewise.
7286
7287         * function.c (gimplify_parameters): Use build_call_expr.
7288
7289         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
7290         instead of TREE_CODE_LENGTH.
7291
7292         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
7293         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
7294
7295         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
7296         iterators.
7297
7298         * gimplify.c (build_stack_save_restore): Use build_call_expr.
7299         (gimplify_decl_expr): Likewise.
7300         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
7301         Use new CALL_EXPR iterators.
7302         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
7303         (gimplify_modify_expr_to_memset): Likewise.
7304         (gimplify_variable_sized_compare): Likewise.
7305         (gimplify_omp_atomic_fetch_op): Likewise.
7306         (gimplify_omp_atomic_pipeline): Likewise.
7307         (gimplify_omp_atomic_mutex): Likewise.
7308         (gimplify_function_tree): Likewise.
7309
7310         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7311         (call_expr_flags): Likewise.
7312         (expand_call): Likewise.
7313
7314         * except.c (expand_builtin_eh_return_data_regno): Pass entire
7315         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7316         accessors.
7317
7318         * coverage.c (create_coverage): Use build_call_expr.
7319
7320         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7321         (temp_call_expr_obstack): New.
7322         (pool_copy_list): Delete.
7323         (temp_copy_call_expr): New.
7324         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
7325         CALL_EXPR accessors.  Get rid of special goo for copying argument
7326         lists and use temp_copy_call_expr instead.
7327         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
7328         CALL_EXPR accessors.
7329         (create_expression_by_pieces): Likewise.  Use build_call_array
7330         to construct the result instead of fold_build3.
7331         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
7332         dealing with argument lists.
7333         (init_pre): Remove references to expression_node_pool and
7334         list_node_pool.  Init temp_call_expr_obstack instead.
7335         (fini_pre): Remove references to expression_node_pool and
7336         list_node_pool.
7337
7338         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7339         and walk arguments explicitly instead of as a list.
7340
7341         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7342         (mx_register_decls): Likewise.
7343         (mudflap_register_call): Likewise.
7344         (mudflap_finish_file): Likewise.
7345
7346         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
7347         (ipa_callsite_compute_param): Likewise.
7348
7349         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
7350         accessors and constructor.
7351
7352         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
7353         accessors and constructor.
7354         (convert_tramp_reference): Likewise.
7355         (convert_call_expr): Likewise.
7356         (finalize_nesting_tree_1): Likewise.
7357
7358         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
7359         accessors.
7360
7361         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
7362
7363         * tree-inline.c (initialize_inlined_parameters): Pass entire
7364         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7365         accessors.
7366         (estimate_num_insns_1): Use new CALL_EXPR accessors.
7367         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
7368
7369         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
7370         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7371         (vectorizable_reduction): Likewise.
7372         (vectorizable_call): Use new CALL_EXPR iterators.
7373         (vectorizable_conversion): Use build_call_expr.
7374         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
7375         (vect_gen_widened_results_half): Use build_call_expr.
7376         (vect_setup_realignment): Likewise.
7377         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
7378
7379         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7380         (pass_through_call): Likewise.
7381         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
7382         fold_builtin.
7383
7384         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7385         (tree_gen_pow2_profiler): Likewise.
7386         (tree_gen_one_value_profiler): Likewise.
7387         (tree_gen_ic_func_profiler): Likewise.
7388         (tree_gen_average_profiler): Likewise.
7389         (tree_gen_ior_profiler): Likewise.
7390
7391         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
7392         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
7393         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7394
7395         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
7396         of TREE_CODE_LENGTH.
7397
7398         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
7399         of TREE_CODE_LENGTH.
7400
7401         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
7402         constructor.
7403         (convert_to_integer): Likewise.
7404
7405         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
7406         accessors.
7407
7408 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7409             Brooks Moses  <brooks.moses@codesourcery.com>
7410             Lee Millward  <lee.millward@codesourcery.com>
7411
7412         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
7413         accessors.
7414         * config/frv/frv.c (frv_expand_builtin): Likewise.
7415         * config/s390/s390.c (s390_expand_builtin): Likewise.
7416
7417         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
7418         (sparc_expand_builtin): Use new CALL_EXPR accessors.
7419
7420         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
7421         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
7422         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
7423         (ix86_expand_store_builtin): Likewise.
7424         (ix86_expand_unop_builtin): Likewise.
7425         (ix86_expand_unop1_builtin): Likewise.
7426         (ix86_expand_sse_compare): Likewise.
7427         (ix86_expand_sse_comi): Likewise.
7428         (ix86_expand_vec_init_builtin): Likewise.
7429         (ix86_expand_vec_ext_builtin): Likewise.
7430         (ix86_expand_vec_set_builtin): Likewise.
7431         (ix86_expand_builtin): Use new CALL_EXPR accessors.
7432
7433         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
7434         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7435
7436         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
7437         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7438         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
7439
7440         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
7441         build_call_expr.
7442         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7443         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
7444         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7445         (altivec_expand_abs_builtin): Likewise.
7446         (rs6000_expand_binop_builtin): Likewise.
7447         (altivec_expand_predicate_builtin): Likewise.
7448         (altivec_expand_lv_builtin): Likewise.
7449         (spe_expand_stv_builtin): Likewise.
7450         (altivec_expand_stv_builtin): Likewise.
7451         (rs6000_expand_ternop_builtin): Likewise.
7452         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
7453         (altivec_expand_st_builtin): Likewise.
7454         (altivec_expand_dst_builtin): Likewise.
7455         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
7456         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7457         (altivec_expand_vec_set_builtin): Likewise.
7458         (altivec_expand_vec_ext_builtin): Likewise.
7459         (altivec_expand_builtin): Use new CALL_EXPR accessors.
7460         (spe_expand_builtin): Likewise.
7461         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
7462         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7463         (spe_expand_evsel_builtin): Likewise.
7464         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
7465         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
7466
7467         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
7468         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7469         (arm_expand_unop_builtin): Likewise.
7470         (arm_expand_builtin): Use new CALL_EXPR accessors.
7471
7472         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
7473         accessors.
7474
7475         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
7476         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7477         (bfin_expand_unop_builtin): Likewise.
7478         (bfin_expand_builtin): Use new CALL_EXPR accessors.
7479
7480 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7481             Brooks Moses  <brooks.moses@codesourcery.com>
7482             Lee Millward  <lee.millward@codesourcery.com>
7483
7484         * c-semantics.c (build_stmt): Add internal diagnostic check.
7485
7486         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
7487         accessors.  Print arguments explicitly instead of as a list.
7488
7489         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
7490
7491         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
7492         (c_finish_omp_flish): Likewise.
7493
7494         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
7495         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
7496         instead of TREE_CODE_LENGTH.
7497         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
7498         (c_warn_unused_result): Likewise.
7499
7500 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7501
7502         PR c/26494
7503         * doc/invoke.texi (Warning Options): Remove
7504         -Werror-implicit-function-declaration.
7505         (Wimplicit-function-declaration): Update description.
7506         * opts.c (common_handle_option): Move handling of -Werror=* to...
7507         (enable_warning_as_error): ...here.
7508         * opts.h (enable_warning_as_error): Declare.
7509         * c-decl.c (implicit_decl_warning): Unless
7510         -Wno-implicit-function-declaration is given, emit a pedwarn if
7511         -std=c99 or emit a warning if -Wimplicit-function-declaration.
7512         * c.opt (Wimplicit-function-declaration): Replace
7513         mesg_implicit_function_declaration with
7514         warn_implicit_function_declaration.
7515         * c-opts.c (c_common_handle_option):
7516         -Werror-implicit-function-declaration is exactly equal as
7517         -Werror=implicit-function-declaration.
7518         (set_Wimplicit): Replace mesg_implicit_function_declaration with
7519         warn_implicit_function_declaration.
7520         (c_common_post_options): -Wimplict-function-declaration is enabled
7521         by default by -std=c99, otherwise is disabled by default.
7522         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
7523
7524 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7525
7526         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
7527         DECL on the rhs to a DECL on the lhs for debug info purposes if the
7528         former is ignored but not the latter.
7529
7530 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7531
7532         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
7533         is made and the reference doesn't use the alias set of its type,
7534         do not create the temporary using that type.
7535
7536 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
7537
7538         * jump.c: Remove prototypes for delete_computation and
7539         delete_prior_computation.
7540
7541 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7542
7543         * jump.c (get_label_after): Delete.
7544         (get_label_before, delete_computation, delete_jump,
7545         delete_prior_computation, follow_jumps): Move...
7546         * reorg.c (delete_computation, delete_prior_computation): ... here...
7547         (get_label_before, delete_jump): ... making these static ...
7548         (follow_jumps): ... and simplifying this since it only runs after
7549         reload.
7550         * rtl.h (get_label_after, get_label_before, delete_jump,
7551         follow_jumps): Delete prototypes.
7552
7553 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7554
7555         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7556
7557 2007-02-15  Nick Clifton  <nickc@redhat.com>
7558
7559         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7560         order to prevent it from being munged by the target.
7561
7562 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
7563
7564         * config/i386/i386.md: Remove misleading comment.
7565
7566 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7567
7568         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7569         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7570         invalid patterns.
7571
7572 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7573
7574         * tree-sra.c (instantiate_missing_elements): Canonicalize
7575         bit-field types.
7576         (sra_build_assignment): New.
7577         (generate_copy_inout, generate_element_copy,
7578         generate_element_zero, generate_one_element_init): Use it.
7579
7580 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7581
7582         * tree-sra.c (instantiate_missing_elements): Canonicalize
7583         bit-field types.
7584         (sra_build_assignment): New.
7585         (generate_copy_inout, generate_element_copy,
7586         generate_element_zero, generate_one_element_init): Use it.
7587
7588 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7589
7590         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7591         limbo die nodes.
7592
7593 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7594
7595         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7596         types as aggregates not scalars.
7597         * function.c (assign_stack_temp_for_type): Likewise.
7598
7599 2007-02-14  Roger Sayle  <roger@eyesopen.com>
7600             Zdenek Dvorak  <dvorakz@suse.cz>
7601
7602         * tree-dump.c (dump_switch_p_1): Require exact match of the option
7603         name.
7604
7605 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
7606
7607         * passes.c (next_pass_1): Clear the next field of the copied
7608         pass structure.
7609
7610 2007-02-14  Richard Henderson  <rth@redhat.com>
7611
7612         * tree-sra.c (early_sra): New.
7613         (decl_can_be_decomposed_p): Deny va_list if early_sra.
7614         (tree_sra_early, pass_sra_early): New.
7615         * tree-pass.h (pass_sra_early): Declare.
7616         * passes.c (init_optimization_passes): Use it.
7617
7618 2007-02-14  Richard Guenther  <rguenther@suse.de>
7619
7620         * flags.h (issue_strict_overflow_warning): Convert to a macro.
7621
7622 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
7623
7624          PR tree-optimization/30771
7625         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
7626         also phi nodes.
7627         (vect_analyze_operations): Induction phis can now be marked as
7628         used_in_loop.
7629         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
7630         Update documentation accordingly.
7631
7632 2007-02-14  Nick Clifton  <nickc@redhat.com>
7633
7634         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
7635         most 3 arguments are supported.
7636         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
7637
7638 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
7639
7640         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
7641         Ensure dst->current is valid.
7642
7643 2007-02-13  Paul Brook  <paul@codesourcery.com>
7644
7645         * config.gcc: Add arm*-*-uclinux-*eabi.
7646         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
7647         (SUBTARGET_EXTRA_LINK_SPEC): Define.
7648         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
7649         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
7650         (LINK_SPEC): Define.
7651         (LIB_SPEC): Define.
7652         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
7653         register.
7654         * config/arm/uclinux-eabi.h: New file.
7655         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
7656         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
7657         based targets.
7658
7659 2007-02-13  Ian Lance Taylor  <iant@google.com>
7660
7661         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
7662         * flags.h (warn_strict_overflow): Declare.
7663         (enum warn_strict_overflow_code): Define.
7664         (issue_strict_overflow_warning): New static inline function.
7665         * opts.c (warn_strict_overflow): New variable.
7666         (common_handle_option): Handle OPT_Wstrict_overflow and
7667         OPT_Wstrict_overflow_.
7668         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
7669         OPT_Wall.
7670         * fold-const.c: Include intl.h.
7671         (fold_deferring_overflow_warnings): New static variable.
7672         (fold_deferred_overflow_warning): New static variable.
7673         (fold_deferred_overflow_code): New static variable.
7674         (fold_defer_overflow_warnings): New function.
7675         (fold_undefer_overflow_warnings): New function.
7676         (fold_undefer_and_ignore_overflow_warnings): New function.
7677         (fold_deferring_overflow_warnings_p): New function.
7678         (fold_overflow_warning): New static function.
7679         (make_range): Add strict_overflow_p parameter.  Change all
7680         callers.
7681         (extract_muldiv, extract_muldiv_1): Likewise.
7682         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
7683         tree_expr_nonnegative_p.
7684         (fold_negate_expr): Call fold_overflow_warning.
7685         (fold_range_test): Likewise.
7686         (fold_comparison): Likewise.
7687         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
7688         instead of tree_expr_nonnegative_p.
7689         (tree_expr_nonnegative_warnv_p): Rename from
7690         tree_expr_nonnegative_p, add strict_overflow_p parameter.
7691         (tree_expr_nonnegative_p): New function.
7692         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
7693         strict_overflow_p parameter.
7694         (tree_expr_nonzero_p): New function.
7695         * passes.c (verify_interpass_invariants): New static function.
7696         (execute_one_pass): Call it.
7697         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
7698         warnings.
7699         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
7700         (estimate_numbers_of_iterations): Likewise.
7701         (scev_probably_wraps_p): Likewise.
7702         * tree-ssa-ccp.c: Include "toplev.h".
7703         (evaluate_stmt): Defer fold overflow warnings until we know we are
7704         going to optimize.
7705         (struct fold_stmt_r_data): Add stmt field.
7706         (fold_stmt_r): Defer fold overflow warnings until we know we
7707         optimized.
7708         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
7709         (fold_stmt_inplace): Likewise.
7710         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
7711         (cleanup_control_expr_graph): Defer fold overflow warnings until
7712         we know we are going to optimize.
7713         * tree-cfg.c (fold_cond_expr_cond): Likewise.
7714         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
7715         Likewise.
7716         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
7717         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
7718         * tree-ssa-loop-manip.c (create_iv): Likewise.
7719         * c-typeck.c (build_conditional_expr): Likewise.
7720         (build_binary_op): Likewise.
7721         * tree-vrp.c (vrp_expr_computes_nonzero): Call
7722         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
7723         (extract_range_from_unary_expr): Likewise.
7724         * simplify-rtx.c (simplify_const_relational_operation): Warn when
7725         assuming that signed overflow does not occur.
7726         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
7727         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
7728         (fold_defer_overflow_warnings): Declare.
7729         (fold_undefer_overflow_warnings): Declare.
7730         (fold_undefer_and_ignore_overflow_warnings): Declare.
7731         (fold_deferring_overflow_warnings_p): Declare.
7732         (tree_expr_nonzero_warnv_p): Declare.
7733         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
7734         of warning options.
7735         (Warning Options): Document -Wstrict-overflow.
7736         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
7737         (tree-ssa-ccp.o): Likewise.
7738         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
7739         (fold-const.o): Depend on intl.h.
7740
7741 2007-02-13  Ian Lance Taylor  <iant@google.com>
7742
7743         PR middle-end/30751
7744         * lower-subreg.c (resolve_simple_move): Decompose subregs in
7745         addresses.
7746
7747 2007-02-13  Stuart Hastings  <stuart@apple.com>
7748
7749         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
7750
7751 2007-02-13  Richard Henderson  <rth@redhat.com>
7752
7753         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
7754         handled_component_p before looking for the indirect_ref.
7755
7756 2007-02-13  Richard Henderson  <rth@redhat.com>
7757
7758         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
7759         remove flags clobber.
7760         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
7761         (bswaphi_lowpart): New.
7762         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
7763         remove TARGET_BSWAP test.  Delete expander of the same name.
7764
7765         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
7766         (expand_unop): Use them.
7767
7768 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
7769
7770         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
7771         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
7772         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
7773         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
7774         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
7775         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
7776         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
7777         assembler dialect choice from asm templates.
7778
7779 2007-02-12  Richard Henderson  <rth@redhat.com>
7780
7781         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
7782         (fixuns_trunc<SSEMODEF>si2): Use it.
7783         * config/i386/sse.md (vec_setv4sf_0): Export.
7784         * config/i386/i386.c (ix86_build_const_vector): Export.
7785         (ix86_split_convert_uns_si_sse): Rename from
7786         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
7787         * config/i386/i386-protos.h: Update.
7788
7789 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7790
7791         PR c/29521
7792         * c-typeck.c (c_finish_return): Improve warning message.
7793
7794 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7795
7796         * alias.c (find_symbolic_term): Delete unused function.
7797
7798 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
7799
7800         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
7801         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
7802         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
7803
7804 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7805
7806         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
7807         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
7808         the function, temporarily point the debug interface to the null one.
7809
7810 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7811
7812         * dwarf2out.c (round_up_to_align): New static function.
7813         (field_byte_offset): Use it to round the offset.
7814
7815 2007-02-12  Richard Henderson  <rth@redhat.com>
7816
7817         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
7818         (inswl_const): Export.
7819
7820 2007-02-12  Richard Henderson  <rth@redhat.com>
7821
7822         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
7823         result mode of the libcall, convert back to outmode.
7824
7825 2007-02-12  Roger Sayle  <roger@eyesopen.com>
7826
7827         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
7828         (bswapdi2): New define_expand to implement 32-bit implementation.
7829
7830 2007-02-12  Nick Clifton  <nickc@redhat.com>
7831
7832         * doc/invoke.texi (Overall Options): Document --help=.
7833         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
7834         (cc1_options): Pass --help= on to cc1.
7835         (display_help): Add description of --help=.
7836         (process_command): Add code to handle --help=.  Allow translated
7837         --help and --target-help switches to be passed on to compiler
7838         sub-process.
7839         (main): Remove unused if statement.
7840         * opts.c (columns): Remove.
7841         (LEFT_COLUMN): Define.
7842         (wrap_help): Add columns argument.
7843         (print_filtered_help): Change parameters to be an include bitmask,
7844         an exclude bitmask, an any bitmask and the column width.  Move the
7845         code to display the params list here.  Add code to display the
7846         status of options rather than their descriptions if the quiet flag
7847         is not active.
7848         (print_specific_help): Change parameters to be an include bitmask,
7849         an exclude bitmask and an any bitmask.  Move code to look up the
7850         column width here.  Decide upon the title for an options listing.
7851         (common_handle_options): Add code to handle --help=.  Adapt code
7852         for --help and --target-help to use the revised form of the
7853         print_specific_help function.
7854         (print_help): Delete.
7855         (print_param_help): Delete.
7856         (print_switch): Delete.
7857         * opts.h (cl_lang_count): Add prototype.
7858         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
7859         CL_MAX_OPTION_CLASS): New defines.
7860         * optc-gen.awk: Add construction of cl_lang_count.
7861         * c.opt: Add Warning attribute to warning options and Optimization
7862         attribute to optimization options.
7863         * common.opt: Likewise.
7864         Add --help=.
7865         Add -fhelp and -ftarget-help as aliases for the transformed --help
7866         and --target-help options.
7867         * opt-functions.awk: Add code to handle Warning and Optimization
7868         attributes.
7869
7870 2007-02-12  Richard Henderson  <rth@redhat.com>
7871
7872         * config/alpha/constraints.md: New file.
7873         * config/alpha/alpha.c: Include tm-constrs.h.
7874         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
7875         alpha_extra_constraint): Remove.
7876         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
7877         * config/alpha/alpha-protos.h: Update.
7878         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
7879         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
7880         (EXTRA_CONSTRAINT): Remove.
7881         * config/alpha/alpha.md: Include constraints.md.
7882         (adddi splitter): Use satisfies_constraint_*.
7883         * config/alpha/predicates.md (add_operand): Likewise.
7884         (sext_add_operand, addition_operation): Likewise.
7885
7886 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
7887
7888         PR tree-optimization/29145
7889         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
7890         in our handling of restrict qualified pointers.
7891
7892 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7893
7894         PR middle-end/7651
7895         * doc/invoke.texi (Wunused-value): Update description.
7896         (Wextra): Delete item.
7897         * opts.c (set_Wextra): Don't use the value of Wextra to set the
7898         value of Wunused-value.
7899         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
7900         (c_finish_stmt_expr): Don't check extra_warnings.
7901         (emit_side_effect_warnings): The caller is responsible to check
7902         warn_unused_value.
7903
7904 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7905             Matt Thomas  <matt@3am-software.com>
7906
7907         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
7908
7909 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7910
7911         * simplify-rtx.c (simplify_relational_operation_1): Optimize
7912         comparisons of POPCOUNT against zero.
7913         (simplify_const_relational_operation): Likewise.
7914
7915 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7916
7917         * doc/invoke.texi (Wextra): Delete outdated paragraph.
7918
7919 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7920
7921         * dwarf2out.c (root_type): Delete unused function.
7922
7923 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7924
7925         * genattrtab.c (contained_in_p): Delete unused function.
7926         (write_expr_attr_cache): Likewise.
7927
7928 2007-02-11  Jan Hubicka  <jh@suse.cz>
7929
7930         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
7931         previous patch.
7932
7933 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
7934
7935         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
7936         to add the REG_EQ* note.
7937         * see.c (see_merge_one_use_extension): Likewise.
7938         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
7939         turn REG_EQUAL notes into REG_EQUIV notes if the target
7940         register may have more than one set.
7941         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
7942         * gcse.c (try_replace_reg): Likewise.
7943         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
7944         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
7945         more than one REG_EQUIV note.
7946         * reload1.c (gen_reload): Use set_unique_reg_note.
7947
7948 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
7949
7950         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
7951         (ix86_builtin_conversion): New function.
7952
7953 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
7954
7955         PR target/29487
7956         * tree.h (DECL_REPLACEABLE_P): New macro.
7957         * except.c (set_nothrow_function_flags): Likewise.
7958
7959 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
7960             Ira Rosen  <irar@il.ibm.com>
7961             Dorit Nuzman  <dorit@il.ibm.com>
7962
7963         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
7964         * targhooks.c (default_builtin_vectorized_conversion): New.
7965         * targhooks.h (default_builtin_vectorized_function): New declaration.
7966         * target.h (struct vectorize): Add builtin_conversion field.
7967         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
7968         stmt_vec_info_type value.
7969         (vectorizable_conversion): New declaration.
7970         * tree-vect-analyze.c (vect_analyze_operations): Add
7971         vectorizable_conversion call.
7972         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
7973         * tree-vect-transform.c (vectorizable_conversion): New function.
7974         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
7975         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
7976         mode.
7977         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
7978         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
7979         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
7980         or ALTIVEC_BUILTIN_VCFSX.
7981
7982 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7983
7984         PR target/30634
7985         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
7986         CONST_DOUBLE and operand 0 is a hard register.
7987         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
7988         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
7989         is a hard floating-point register.
7990
7991 2007-02-10  Richard Henderson  <rth@redhat.com>
7992             Jakub Jelinek  <jakub@redhat.com>
7993             Alexandre Oliva  <aoliva@redhat.com>
7994
7995         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
7996         * builtin-types.def (BT_WORD): Make unsigned.
7997         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7998         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7999         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8000         * c-decl.c (grokdeclarator): Don't error if !have_tls.
8001         * c-parser.c (c_parser_omp_threadprivate): Likewise.
8002         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8003         emulated tls.
8004         * expr.c (emutls_var_address): New.
8005         (expand_expr_real_1): Expand emulated tls.
8006         (expand_expr_addr_expr_1): Likewise.
8007         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8008         * output.h (emutls_finish): Declare.
8009         * toplev.c (compile_file): Call it.
8010         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8011         address before wrapping in CONST.
8012         * varasm.c (emutls_htab, emutls_object_type): New.
8013         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8014         (get_emutls_object_name, get_emutls_object_type): New.
8015         (get_emutls_init_templ_addr, emutls_decl): New.
8016         (emutls_common_1, emutls_finish): New.
8017         (assemble_variable): When emulating tls, swap decls; generate
8018         constructor for the emutls objects.
8019         (do_assemble_alias): When emulating tls, swap decl and target name.
8020         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8021         for emulated tls.
8022         * varpool.c (decide_is_variable_needed): Look at force_output.
8023         Recurse for emulated tls.
8024         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
8025         with decide_is_variable_needed.
8026         * emutls.c: New file.
8027         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8028         tls_object for real tls.
8029
8030 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
8031
8032         PR rtl-optimization/29599
8033         * reload1.c (eliminate_regs_in_insn): Take the destination
8034         mode into account when computing the offset.
8035
8036 2007-02-09  Stuart Hastings  <stuart@apple.com>
8037             Richard Henderson  <rth@redhat.com>
8038
8039         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8040         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8041         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
8042         fixuns_truncdfhi2): New.
8043         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
8044         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
8045         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
8046         (floatunssidf2): Allow nonimmediate source.
8047         * config/i386/sse.md (movdi_to_sse): New.
8048         (vec_concatv2di): Drop '*'.
8049         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
8050         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8051         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
8052         New.
8053         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
8054         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8055         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
8056         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
8057         (ix86_build_signbit_mask): Fix decl of v, refactor to call
8058         ix86_build_const_vector.
8059         (x86_emit_floatuns): Rewrite.
8060
8061 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8062
8063         * genautomata.c (longest_path_length): Delete unused function.
8064         (struct state): Delete unused longest_path_length.
8065         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
8066         (get_free_state): Delete unused.
8067
8068 2007-02-09  Jan Hubicka  <jh@suse.cz>
8069
8070         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
8071         * doc/invoke.texi (inline-unit-growth): Update default value.
8072
8073         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
8074         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
8075         (rebuild_cgraph_edges): Likewise.
8076         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
8077         (dump_cgraph_node): Dump frequencies.
8078         (cgraph_clone_edge): Add frequency scales.
8079         (cgraph_clone_node): Add freuqnecy.
8080         * cgraph.h (cgraph_edge): Add freuqnecy argument.
8081         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
8082         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
8083         * tree-pass.h (TODO_rebuild_frequencies): New constant.
8084         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
8085         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
8086         (save_inline_function_body): Likewise.
8087         * ipa-inline.c: inluce rtl.h
8088         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
8089         (cgraph_edge_badness): Use frequencies.
8090         (cgraph_decide_recursive_inlining): Update clonning.
8091         (cgraph_decide_inlining_of_small_function): Dump frequency.
8092         * predict.c (estimate_bb_frequencies): Export.
8093         * predict.h (estimate_bb_frequencies): Declare.
8094         * tree-inline.c (copy_bb): Watch overflows.
8095         (expand_call_inline): Update call of cgraph_create_edge.
8096         (optimize_inline_calls): Use TODO flags to update frequnecies.
8097         * passes.h: Include predict.h
8098         (init_optimization_passes): Move profile ahead.
8099         (execute_function_todo): Handle TODO_rebuild_frequencies.
8100
8101 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8102
8103         * config/alpha/alpha.c (emit_insxl): Force the first operand of
8104         the insbl or inswl pattern into a register.
8105
8106 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8107
8108         * config/ia64/ia64.md (bswapdi2): New define_insn.
8109
8110 2007-02-09  Richard Henderson  <rth@redhat.com>
8111
8112         * config/i386/constraints.md (Ym): New constraint.
8113         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
8114         (movdi_1_rex64): Split sse and xmm general register moves from
8115         memory move alternatives.  Use conditional register constraints.
8116         (movsf_1, movdf_integer): Likewise.
8117         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8118         (movdf_integer_rex64): New.
8119         (pushsf_rex64): Fix output constraints.
8120         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
8121         (sse2_stored): Likewise.
8122         (sse2_storeq_rex64): New.
8123         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
8124         amd and not generic.
8125         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
8126         for optimize_size.  Remove SF/DFmode hack.
8127
8128 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
8129
8130         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
8131         (bit_SSE4a): New.
8132
8133 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
8134             Richard Sandiford  <richard@codesourcery.com>
8135
8136         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
8137         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
8138         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
8139         m68k/t-mlib to tmake_file.
8140         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
8141         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
8142         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
8143         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
8144         variable is not empty, add t-$m68k_arch_family to tmake_file.
8145         Add t-mlibs to tmake_file.
8146         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
8147         * config/m68k/t-cf: New file.
8148         * config/m68k/t-m68k: Likewise.
8149         * config/m68k/t-mlibs: Likewise.
8150         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8151         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8152         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8153         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8154         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
8155         Delete.
8156         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
8157         (INSTALL_LIBGCC): Delete.
8158         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8159         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8160         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8161         (M68K_MLIB_CPU): Define.
8162         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8163         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8164         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
8165
8166 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8167             Richard Guenther  <rguenther@suse.de>
8168
8169         PR middle-end/23361
8170         * fold-const.c (fold_comparison): Handle obfuscated comparisons
8171         against INT_MIN/INT_MAX.
8172         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
8173         file if a loop is removed.
8174
8175 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
8176
8177         * calls.c (store_one_arg): Pass correct alignment to
8178         emit_push_insn for non-BLKmode values.
8179         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
8180         unaligned stack slot via a suitably aligned slot.
8181
8182 2007-02-08  DJ Delorie  <dj@redhat.com>
8183
8184         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
8185         warnings.
8186         (legal_subregs): Use unsigned char, make const.
8187         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
8188
8189 2007-02-08  Paul Brook  <paul@codesourcery.com>
8190
8191         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
8192         special interworking needed.
8193
8194 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
8195
8196         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
8197         conditional to __SSE2__.
8198         (Entries below should have been added to first ChangeLog
8199         entry for amdfam10 dated 2007-02-05)
8200         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
8201         defined.
8202         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
8203         defined.
8204         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
8205         defined.
8206
8207 2007-02-08  DJ Delorie  <dj@redhat.com>
8208
8209         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
8210         * config/m32c/m32c.c (legal_subregs): New.
8211         (m32c_illegal_subreg_p): New.
8212         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
8213         unsupported subregs of hard regs.
8214
8215 2007-02-08  Jan Hubicka  <jh@suse.cz>
8216
8217         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
8218         the same one; always update histograms.
8219
8220 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8221
8222         * passes.c (init_optimization_passes): Tidy comment.
8223
8224 2007-02-08  Roger Sayle  <roger@eyesopen.com>
8225
8226         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
8227         strip zero_extend, bswap and rotates from POCOUNT's argument.
8228         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
8229         zero_extend and rotates from PARITY's argument.
8230         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
8231         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
8232         of an integer constant at compile-time.
8233
8234 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8235
8236         PR 30562
8237         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
8238         Update all users.
8239         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
8240         users.
8241         (init_alias_info):
8242         * tree-ssa-live.c (remove_unused_locals): Do not remove
8243         TREE_ADDRESSABLE variables.
8244         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
8245         * tree-ssa-operands.c (add_virtual_operand): Remove argument
8246         FOR_CLOBBER.  Update all users.
8247         If VAR has an associated alias set, add a virtual operand for
8248         it if no alias is found to conflict with the memory reference.
8249
8250 2007-02-07  Jan Hubicka  <jh@suse.cz>
8251             Robert Kidd <rkidd@crhc.uiuc.edu>
8252
8253         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
8254
8255 2007-02-07  Ian Lance Taylor  <iant@google.com>
8256
8257         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
8258
8259 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8260
8261         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
8262         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
8263         tablejumpdi, movsi_to_cr_one): Remove constraints from
8264         define_expand's match_operands.
8265
8266 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8267
8268         * global.c (compute_regsets): Move declatation of "i" inside of
8269         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
8270
8271 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
8272
8273         PR c++/30703
8274         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
8275         of INDIRECT_REF <RESULT_DECL>.
8276
8277         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
8278
8279 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
8280             Kaz Kojima  <kkojima@gcc.gnu.org>
8281
8282         PR target/29746
8283         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
8284         properly.
8285         (sh_initialize_trampoline): Add parentheses to avoid a warning.
8286
8287 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
8288
8289         * doc/loop.texi: Document possibility not to perform disambiguation
8290         of loops with multiple latches.
8291         * cfgloopmanip.c (alp_enum_p): Removed.
8292         (add_loop): Handle subloops.  Use get_loop_body_with_size.
8293         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
8294         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
8295         the new forwarder block.
8296         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
8297         Handle the case latch is NULL.
8298         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
8299         when marking loop exits.
8300         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
8301         be modified.
8302         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
8303         disambiguate_loops_with_multiple_latches.
8304         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8305         before fix_loop_structure.
8306         * cfgloop.c: Include pointer-set.h and output.h.
8307         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8308         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8309         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8310         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8311         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8312         disambiguate_multiple_latches, get_loop_body_with_size,
8313         disambiguate_loops_with_multiple_latches): New functions.
8314         (flow_loop_dump): Dump multiple latch edges.
8315         (flow_loop_nodes_find): Handle loops with multiple latches.
8316         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8317         (glb_enum_p): Modified.
8318         (get_loop_body): Use get_loop_body_with_size.
8319         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8320         (AVOID_CFG_MODIFICATIONS): New constant.
8321         (disambiguate_loops_with_multiple_latches, add_loop,
8322         get_loop_body_with_size): Declare.
8323         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8324
8325 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
8326
8327         PR inline-asm/28686
8328         * global.c (compute_regsets): New function.
8329         (global_alloc): Refactored ELIMINABLE_REGSET
8330         and NO_GLOBAL_ALLOC_REGS computation out.
8331         (rest_of_handle_global_alloc): Call compute_regsets()
8332         for non-optimizing case.
8333
8334 2007-02-06  Richard Henderson  <rth@redhat.com>
8335
8336         * config/i386/constraints.md (Y2): Rename from Y.
8337         (Yi): New constraint.
8338         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8339         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8340         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8341         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8342         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8343         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8344         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
8345         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
8346         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
8347         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
8348         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
8349         vec_extractv2si_1): Change Y constraints to Y2.
8350         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
8351         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
8352         Change Y constraints to Y2.
8353         (sse2_loadld): Change Y constraints to x.
8354
8355 2007-02-06  Roger Sayle  <roger@eyesopen.com>
8356
8357         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
8358         (parity<mode>2): New define_expand using rs6000_emit_parity.
8359         * config/rs6000/rs6000.c (rs6000_emit_popcount,
8360         rs6000_emit_parity): New functions.
8361         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
8362         rs6000_emit_parity): Prototype here.
8363
8364 2007-02-06  Ian Lance Taylor  <iant@google.com>
8365
8366         * lower-subreg.c (simple_move_operand): Reject CONST.
8367         (resolve_clobber): Call validate_change rather than directly
8368         assigning to XEXP (pat, 0).
8369
8370 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8371
8372         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
8373         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
8374         (tree-cfg.o): Remove hashtab.h dependency.
8375
8376         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
8377         (struct ivopts_data): Change niters to pointer_map_t.
8378         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
8379         (niter_for_exit): Create pointer_map on demand.  Change for
8380         pointer_map API.
8381         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8382         (free_loop_data): Destroy data->niters if created and reset field.
8383         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8384         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8385
8386         * tree-ssa-reassoc.c: Include pointer-set.h.
8387         (bb_rank): Change to long *.
8388         (operand_rank): Change to pointer_map_t.
8389         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
8390         (insert_operand_rank): Accept long.
8391         (operand_entry_hash, operand_entry_eq): Remove.
8392         (get_rank): Return long.  Adjust for changes above.
8393         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
8394         and operand_rank.
8395         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
8396
8397         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
8398         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
8399         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
8400         is not NULL.
8401         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
8402         directly since it cannot be NULL.
8403         (get_vi_for_tree): Rewrite for pointer_map API.
8404         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
8405         (init_alias_vars): Create vi_for_tree as pointer_map.
8406         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
8407
8408         * tree-cfg.c: Don't include hashtab.h.
8409         (edge_to_cases): Declare as pointer_map.
8410         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
8411         Delete.
8412         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
8413         (start_recording_case_labels): Create edge_to_cases as pointer_map.
8414         (end_recoding_case_labels): Cleanup edge_to_cases manually before
8415         destroying it.
8416         (record_switch_edge): Delete.
8417         (get_cases_for_edge): Adjust for pointer_map API, inline
8418         record_switch_edge (rewritten for new API), remove goto.
8419
8420 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8421
8422         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
8423         * tree-nested.c: Include pointer-set.h.
8424         (var_map_elt, var_map_eq, var_map_hash): Delete.
8425         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
8426         to pointer_map_t's.
8427         (nesting_info_bitmap_obstack): New.
8428         (lookup_field_for_decl): Adjust for pointer_map API.
8429         (lookup_tramp_for_decl): Adjust for pointer_map API.
8430         (get_nonlocal_debug_decl): Adjust for pointer_map API.
8431         (get_local_debug_decl): Adjust for pointer_map API.
8432         (convert_nl_goto_reference): Adjust for pointer_map API.
8433         (convert_nl_goto_receiver): Adjust for pointer_map API.
8434         (create_nesting_tree): Create outside GGC space.  Create bitmap on
8435         the new obstack.  Create field_map and var_map as pointer_maps.
8436         (free_nesting_tree): Adjust for changes to create_nesting_tree.
8437         (root): Delete.
8438         (lower_nested_functions): Move root here, no need to NULL it.
8439         Initialize and release the obstack.
8440
8441 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
8442
8443         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
8444         Remove prototypes and make them non-static.
8445         (struct tree_int_map): Remove.
8446         * tree.h (struct tree_int_map): Move here, turning TO into an
8447         unsigned int.
8448         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
8449
8450         * tree.h (TREE_COMPLEXITY): Remove.
8451         (struct tree_exp): Remove complexity field.
8452         * tree.c (build1_stat): Don't set it.
8453
8454 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
8455             Victor Kaplansky  <victork@il.ibm.com>
8456
8457         * tree-vectorizer.c (vect_is_simple_use): Support induction.
8458         (vect_is_simple_reduction): Support reduction with induction as
8459         one of the operands.
8460         (vect_is_simple_iv_evolution): Fix formatting.
8461         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
8462         formatting.  Don't mark induction phis for vectorization.
8463         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
8464         * tree-vect-transform.c (get_initial_def_for_induction): New function.
8465         (vect_get_vec_def_for_operand): Support induction.
8466         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
8467         induction case.
8468         (vectorizable_reduction): Support reduction with induction as one of
8469         the operands.
8470         (vectorizable_type_demotion): Use def-type of stmt argument rather
8471         than dummy def-type.
8472
8473         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
8474         flag_tree_scev_cprop.
8475         * common.opt (tree-scev-cprop): New flag.
8476
8477         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
8478         call to vect_get_new_vect_var.
8479
8480 2007-02-06  Ira Rosen  <irar@il.ibm.com>
8481
8482         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
8483         vectype is not NULL.
8484         (vect_pattern_recog_1): Likewise.
8485
8486 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8487
8488         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
8489         (fold_negate_expr): Likewise.
8490
8491 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
8492
8493         PR debug/30189
8494         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
8495         even if cv-qualification is the same.
8496
8497 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
8498
8499         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
8500         __enable_execute_stack on completion.
8501
8502 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8503
8504         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
8505         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
8506         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
8507         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
8508         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
8509         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
8510         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
8511         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
8512
8513 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8514
8515         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
8516         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
8517         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
8518         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
8519         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
8520         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
8521         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
8522         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
8523         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
8524         umuldi3_highpart_rex64, umulsi3_highpart_insn,
8525         umulsi3_highpart_zext, smuldi3_highpart_rex64,
8526         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
8527         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
8528         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
8529         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
8530         sqrtextenddfxf2_i387): Added amdfam10_decode.
8531
8532         * config/i386/athlon.md (athlon_idirect_amdfam10,
8533         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
8534         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
8535         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
8536         athlon_ivector_store_amdfam10): New define_insn_reservation.
8537         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
8538         amdfam10.
8539
8540 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8541
8542         * config/i386/athlon.md (athlon_call_amdfam10,
8543         athlon_pop_amdfam10, athlon_lea_amdfam10): New
8544         define_insn_reservation.
8545         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
8546         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
8547         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
8548
8549 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8550
8551         * config/i386/athlon.md (athlon_sseld_amdfam10,
8552         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8553         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8554
8555 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8556
8557         * config/i386/athlon.md (athlon_sseins_amdfam10): New
8558         define_insn_reservation.
8559         * config/i386/i386.md (sseins): Added sseins to define_attr type
8560         and define_attr unit.
8561         * config/i386/sse.md: Set type attribute to sseins for insertq
8562         and insertqi.
8563
8564 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8565
8566         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8567         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8568         ssecomi_load_amdfam10, ssecomi_amdfam10,
8569         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8570         define_insn_reservation.
8571         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8572
8573 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8574
8575         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8576         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8577         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8578         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8579         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8580         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8581         define_insn_reservation.
8582
8583         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8584         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8585         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8586         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8587         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8588
8589 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8590
8591         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8592         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8593         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8594         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8595         athlon_ssemul_load_k8): Added amdfam10.
8596
8597 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8598
8599         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8600         (x86_sse_unaligned_move_optimal): New variable.
8601
8602         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8603         m_AMDFAM10.
8604         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8605         for unaligned vector SSE double/single precision loads for AMDFAM10.
8606
8607 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8608
8609         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8610         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8611         Define TARGET_CPU_DEFAULT_amdfam10.
8612         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8613         (processor_type): Add PROCESSOR_AMDFAM10.
8614
8615         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8616         processor_type in config/i386/i386.h.
8617         Enable imul peepholes for TARGET_AMDFAM10.
8618
8619         * config.gcc: Add support for --with-cpu option for amdfam10.
8620
8621         * config/i386/i386.c (amdfam10_cost): New variable.
8622         (m_AMDFAM10): New macro.
8623         (m_ATHLON_K8_AMDFAM10): New macro.
8624         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8625         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
8626         x86_promote_QImode, x86_integer_DFmode_moves,
8627         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8628         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
8629         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
8630         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
8631         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
8632         Enable/disable for amdfam10.
8633         (override_options): Add amdfam10_cost to processor_target_table.
8634         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
8635         processor_alias_table.
8636         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
8637         (ix86_adjust_cost): Add code for amdfam10.
8638
8639 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8640
8641         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
8642         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
8643         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
8644         * config/i386/i386.h: Add builtin definition for SSE4A.
8645         * config/i386/i386.md: Add support for ABM instructions
8646         (popcnt and lzcnt).
8647         * config/i386/sse.md: Add support for SSE4A instructions
8648         (movntss, movntsd, extrq, insertq).
8649         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
8650         Add -march=amdfam10 flag.
8651         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
8652         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
8653         and amdfam10.
8654         * doc/extend.texi: Add documentation for SSE4A builtins.
8655
8656 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
8657
8658         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
8659
8660 2007-02-05  Richard Guenther  <rguenther@suse.de>
8661
8662         * tree-vectorizer.h (vectorizable_function): Add argument type
8663         argument, change return type.
8664         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
8665         * tree-vect-transform.c (vectorizable_function): Handle extra
8666         argument, return vectorized function decl.
8667         (build_vectorized_function_call): Remove.
8668         (vectorizable_call): Handle calls with result and argument types
8669         differing.  Handle loop vectorization factor correctly.
8670         * targhooks.c (default_builtin_vectorized_function): Adjust for
8671         extra argument.
8672         * targhooks.h (default_builtin_vectorized_function): Likewise.
8673         * target.h (builtin_vectorized_function): Add argument type
8674         argument.
8675         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
8676         extra argument, allow vectorizing of lrintf.
8677         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
8678         documentation of target hook.
8679
8680 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
8681
8682         PR target/30665
8683         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
8684         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
8685         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
8686
8687 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8688
8689         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
8690         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
8691         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
8692         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
8693         before canonicalizing sincos to cexpi.
8694         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
8695
8696 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8697
8698         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
8699         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
8700         (alpha_init_builtins): Use alpha_add_builtins to process tables.
8701
8702 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8703
8704         * mips-tfile.c (initialize_init_file): Correct endianness test.
8705
8706 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
8707
8708         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
8709         the 'y' constraint.
8710
8711 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8712
8713         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
8714         saves in a PARALLEL before the register assignments.
8715
8716 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8717
8718         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
8719         DWARF_FRAME_RETURN_COLUMN to be a general register.
8720         * dwarf2out.c (init_return_column_size): New function, split from...
8721         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
8722         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
8723         to be nongeneral registers.
8724         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
8725         integer registers.
8726         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
8727         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
8728
8729 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8730
8731         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
8732
8733 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8734
8735         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
8736         (remove_path): Use can_remove_branch_p and remove_branch instead
8737         of loop_delete_branch_edge.
8738         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
8739         (tree_transform_and_unroll_loop): Remove dead branches immediately.
8740         Update profile using scale_dominated_blocks_in_loop.
8741         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
8742         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
8743         (can_remove_branch_p, remove_branch): Declare.
8744         * tree-cfg.c (tree_can_remove_branch_p): New function.
8745         (tree_cfg_hooks): Add tree_can_remove_branch_p.
8746         * cfgrtl.c (rtl_can_remove_branch_p): New function.
8747         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
8748
8749 2007-02-05  Jan Hubicka  <jh@suse.cz>
8750
8751         PR middle-end/30696
8752         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
8753         nodes in cgraph, don't remove offline copy of the function.
8754
8755 2007-02-04  Jan Hubicka  <jh@suse.cz>
8756
8757         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
8758         vectors might cause maybe_lookup_element_for_expr to be called
8759         on non-sra-candidate.
8760
8761 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8762
8763         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
8764         config/bfin/bfin.md, config/bfin/predicates.md: Follow
8765         spelling conventions.
8766
8767 2007-02-04  Richard Guenther  <rguenther@suse.de>
8768
8769         PR middle-end/30636
8770         * fold-const.c (try_move_mult_to_index): Make sure to not
8771         overflow one dimension of a multi-dimensional array access.
8772
8773 2007-02-04  Jan Hubicka  <jh@suse.cz>
8774
8775         * passes.c (init_optimization_passes): Reindent.
8776
8777 2007-02-04  Jan Hubicka  <jh@suse.cz>
8778             Eric Botcazou  <ebotcazou@adacore.com>
8779
8780         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
8781         (execute_fixup_cfg): Break out the abnormal goto code.
8782         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
8783         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
8784         (optimize_inline_calls): Call make_nonlocal_label_edges.
8785
8786 2007-02-04  Jan Hubicka  <jh@suse.cz>
8787
8788         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
8789         true when something was changed.
8790         (rename_ssa_copies): When something was changed, do
8791         TODO_remove_unused_locals.
8792         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8793         add TODO_remove_unused_locals when instruction was removed.
8794
8795 2007-02-04  Jan Hubicka  <jh@suse.cz>
8796
8797         * ipa-inline.c (try_inline): Improve debug output; work on already
8798         inline edges too.
8799         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
8800         call try_inline for already inlined edges too when flattening;
8801         inline also functions that make callee growth but overall unit size
8802         reduce.
8803
8804 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8805
8806         * config/m32c/bitops.md, config/m32c/jump.md,
8807         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
8808         config/m32r/m32r.h, config/m32r/m32r.md,
8809         config/m32r/predicates.md, config/m68hc11/larith.asm,
8810         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
8811         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
8812         config/mips/mips-protos.h, config/mips/mips.c,
8813         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
8814         config/mn10300/mn10300.h, config/mn10300/predicates.md,
8815         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
8816         spelling conventions.
8817
8818         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
8819         Follow spelling conventions.
8820
8821 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
8822
8823         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
8824         warn about C++0x compatibility.
8825
8826 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8827
8828         * config/h8300/h8300.c, config/h8300/h8300.h,
8829         config/h8300/h8300.md: Follow spelling conventions.
8830
8831 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
8832
8833         PR middle-end/30667
8834         * combine.c (try_combine): Do not substitute source operand
8835         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
8836
8837 2007-02-03  Jan Hubicka  <jh@suse.cz>
8838
8839         PR gcov-profile/30650
8840         * value-prof.c (stringop_block_profile): Fix handling of size counter;
8841         do not divide by zero for never executed counters.
8842         (tree_find_values_to_profile): Fix counters.
8843         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
8844
8845 2007-02-03  Ian Lance Taylor  <iant@google.com>
8846
8847         * lower-subreg.c (simple_move_operand): New static function,
8848         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
8849         operands.
8850         (simple_move): Call simple_move_operand.
8851         (find_decomposable_subregs): Add special handling of MEMs.
8852         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
8853         meaning of return value.  If we see a hard register, test whether
8854         it can store a word_mode value.  Change all callers.
8855
8856 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8857
8858         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
8859         ftrapv insns and expanders.
8860         (subdi3): Change define_expand operand 1 to arith11_operand, and
8861         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
8862         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
8863         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
8864         respectively.
8865
8866         PR middle-end/30174
8867         * varasm.c (notice_global_symbol): Treat global objects as weak when
8868         flag_shlib is true.
8869
8870 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8871
8872         * emit-rtl.c (dconstpi): Delete.
8873         (dconstsqrt2): New.
8874         (init_emit_once): Delete dconstpi and init dconstsqrt2.
8875         * real.h (dconstpi): Delete.
8876         (dconstsqrt2): New.
8877         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
8878         (fold_builtin_hypot): Likewise.
8879
8880 2007-02-03  Tom Tromey  <tromey@redhat.com>
8881
8882         PR driver/30246
8883         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
8884         -gcoff3, -gxcoff3, -gvms3 implies -dD.
8885
8886 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
8887
8888         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
8889         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
8890         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
8891         config/rs6000/cell.md, config/rs6000/darwin.h,
8892         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
8893         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
8894         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
8895         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
8896         typos.  Follow spelling conventions.
8897         * doc/invoke.texi: Follow spelling conventions.
8898
8899 2007-02-03  Roger Sayle  <roger@eyesopen.com>
8900
8901         * simplify-rtx.c (simplify_relational_operation_1): Implement some
8902         canonicalization transformations that attempt to simplify integer
8903         constant comparisons to become comparisons against zero.
8904
8905 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8906
8907         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
8908         fabs(x)*sqrt(2).
8909         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
8910         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
8911
8912 2007-02-02  Mike Stump  <mrs@apple.com>
8913
8914         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
8915         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
8916         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
8917         generate a branch island.
8918
8919 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
8920
8921         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
8922         (xtensa_legitimate_address_p): New.
8923         (xtensa_legitimize_address): New.
8924         (xtensa_output_addr_const_extra): New.
8925         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
8926         (BASE_REG_P): New.
8927         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
8928         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
8929         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
8930         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
8931         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
8932         (xtensa_legitimize_address): New.
8933         (xtensa_output_addr_const_extra): New.
8934
8935 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
8936
8937         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
8938
8939 2007-02-02  Ian Lance Taylor  <iant@google.com>
8940
8941         * expmed.c (expand_divmod): Add comment.
8942
8943 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
8944
8945         * emit-rtl.c (renumber_insns): Remove.
8946         * flags.h: Remove the extern for flag_renumber_insns.
8947         * rtl.h: Remove the prototype for renumber_insns.
8948         * toplev.c (flag_renumber_insns): Remove.
8949
8950 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
8951
8952         Revert for x86 darwin:
8953         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
8954
8955         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
8956         code before the following patch under TARGET_MACHO.
8957         (ix86_function_value_regno_p): Likewise.
8958
8959 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8960
8961         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
8962         COMPLEX_EXPR.
8963
8964 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8965
8966         PR target/29682
8967         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
8968         general or fp registers.  Add comments.
8969         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
8970
8971 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
8972
8973         * pointer-set.c (insert_aux): Only return insertion slot.
8974         (pointer_set_insert): Adjust.
8975         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
8976         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
8977         pointer_map_traverse): New.
8978         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
8979         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
8980         pointer_map_contains, pointer_map_traverse): Declare.
8981
8982 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
8983
8984         PR middle-end/30473
8985         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
8986         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
8987
8988 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8989
8990         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
8991
8992         (struct _dep): New type.
8993         (dep_t): New typedef.
8994         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
8995         (DEP_STATUS): New access macro.  The macro with the same name was
8996         renamed to DEP_LINK_STATUS.
8997         (dep_init): Declare function
8998
8999         (struct _dep_link): New type.
9000         (dep_link_t): New typedef.
9001         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
9002         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
9003         (DEP_LINK_STATUS): New macro.
9004         (debug_dep_links): New debug function.
9005
9006         (struct _deps_list): New type.
9007         (deps_list_t): New typedef.
9008         (DEPS_LIST_FIRST): New access macro.
9009         (FOR_EACH_DEP_LINK): New cycle macro.
9010         (create_deps_list, free_deps_list, delete_deps_list): Declare
9011         functions.
9012         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
9013         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
9014         (copy_deps_list_change_con): Ditto.
9015
9016         (move_dep_link): Declare function.
9017
9018         (struct _dep_node): New type.
9019         (dep_node_t): New typedef.
9020         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
9021
9022         (struct haifa_insn_data.back_deps): New field to hold backward
9023         dependencies of the insn.
9024         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
9025         to deps_list_t.
9026         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
9027         Change its type to deps_list_t.
9028         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
9029         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
9030         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
9031
9032         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
9033
9034         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
9035
9036         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
9037         all callers.
9038         (dep_cost): Declare.
9039
9040         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
9041         (ds_to_dk, dk_to_ds): New functions.
9042
9043         (init_dep_1): New static function.
9044         (init_dep): New function.
9045         (copy_dep): New static function.
9046
9047         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
9048         functions.
9049         (detach_dep_link): New static function.
9050         (move_dep_link): New function.
9051
9052         (dep_links_consistent_p, dump_dep_links): New static functions.
9053         (debug_dep_links): New debugging function.
9054
9055         (deps_obstack, dl_obstack, dn_obstack): New static variables.
9056
9057         (alloc_deps_list, init_deps_list): New static functions.
9058         (create_deps_list): New function.
9059         (clear_deps_list): New static function.
9060         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
9061         (deps_list_consistent_p, dump_deps_list): New static functions.
9062         (debug_deps_list): New function.
9063         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
9064         functions.
9065         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
9066
9067         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
9068         use new scheduler dependencies lists.
9069         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
9070         (sched_analyze): Ditto.  Initialize dependencies lists.
9071         (add_forw_dep, compute_forward_dependences): Update to use new
9072         scheduler dependencies lists.
9073
9074         (init_dependency_caches): Init deps_obstack.
9075         (free_dependency_caches): Free deps_obstack.
9076
9077         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
9078         new scheduler dependencies lists.
9079         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
9080         (add_back_forw_dep, delete_back_forw_dep): Ditto.
9081
9082         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
9083         Update to use new scheduler dependencies lists.
9084         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
9085         (debug_dependencies): Ditto.
9086         (schedule_region): Update comments.
9087
9088         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
9089         scheduler dependencies lists.
9090         (schedule_ebb): Update comments.
9091
9092         * rtl.def (DEPS_LIST): Remove.
9093
9094         * lists.c (unused_deps_list): Remove.
9095         (free_list): Update assertions.
9096
9097         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
9098         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9099
9100         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
9101         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9102
9103         * haifa-sched.c (comments): Update.
9104         (insn_cost1): Remove.  Inline the code into insn_cost ().
9105         (insn_cost): Update to use new scheduler dependencies lists.  Move
9106         processing of the dependency cost to dep_cost ().
9107         (dep_cost): New function.  Use it instead of insn_cost () when
9108         evaluating cost of the dependency.  Use compatible interface to
9109         interact with the target.
9110         (priority): Update to use new scheduler dependencies lists.
9111         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
9112         with greater number of insns that depend on the insn.
9113         (schedule_insn): Update to use new scheduler dependencies lists.  Add
9114         code to free backward dependencies lists.  Inline and optimize code
9115         from resolve_dep () - see PR28071.
9116         (ok_for_early_queue_removal): Update to use new scheduler dependencies
9117         lists.  Update call to targetm.sched.is_costly_dependence hook.
9118
9119         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
9120         scheduler dependencies lists.
9121
9122         (resolve_dep): Remove.  Move the logic to schedule_insn ().
9123         (init_h_i_d): Initialize dependencies lists.
9124
9125         (process_insn_depend_be_in_spec): Rename to
9126         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
9127         dependencies lists.
9128         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
9129         Update to use new scheduler dependencies lists.
9130         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
9131
9132         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
9133         new scheduler dependencies lists.
9134         (build_intra_loop_deps): Ditto.
9135
9136         * target.h (struct _dep): Declare to use in
9137         gcc_target.sched.is_costly_dependence.
9138         (struct gcc_target.sched.adjust_cost): Fix typo.
9139         (struct gcc_target.sched.is_costly_dependence): Change signature to use
9140         single dep_t parameter instead of an equivalent triad.
9141         (struct gcc_target.sched.adjust_cost_2): Remove.
9142
9143         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
9144
9145         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
9146
9147         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
9148         documentation.
9149         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
9150
9151         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
9152         (REG_DEP_TRUE): Document.
9153
9154         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
9155         Change signature to correspond to the targetm.sched.adjust_cost hook.
9156         Update use in TARGET_SCHED_ADJUST_COST_2.
9157         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
9158         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
9159         new scheduler dependencies lists.
9160         (ia64_gen_check): Ditto.
9161
9162         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
9163         dependencies lists.
9164
9165         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
9166         signature to correspond to the targetm.sched.is_costly_dependence hook.
9167         (is_costly_group): Update to use new scheduler dependencies lists.
9168
9169         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
9170         instead of INSN_COST () macro.
9171
9172 2007-02-01  Ian Lance Taylor  <iant@google.com>
9173
9174         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
9175
9176 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
9177
9178         * pa.md (tp_load): Correct mfctl instruction syntax.
9179
9180 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
9181
9182         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
9183         altivec_padding_size calculation on AIX.  Improve comment, add
9184         assert to verify that it's right.
9185
9186         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
9187         64-bit.
9188
9189 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
9190
9191         PR inline-asm/28686
9192         * global.c (global_alloc): Add mising initialization of
9193         ELIMINABLE_REGSET.
9194
9195 2007-02-01  Roger Sayle  <roger@eyesopen.com>
9196
9197         * alias.c (init_alias_analysis): Correct whitespace.
9198         * bb-reorder.c (fix_edges_for_rarely_executed_code,
9199         partition_hot_cold_basic_blocks): Likewise.
9200         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
9201         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
9202         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
9203         fold_builtin_snprintf_chk, fold_builtin_printf,
9204         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
9205         do_mpfr_arg3, do_mpfr_sincos): Likewise.
9206         * cfgcleanup.c (cleanup_cfg): Likewise.
9207         * cfgexpand.c (tree_expand_cfg): Likewise.
9208         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
9209         * function.c (get_next_funcdef_no): Likewise.
9210         * gengtype.c (main): Likewise.
9211         * genmodes.c (main): Likewise.
9212         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
9213         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
9214         * ifcvt.c (noce_emit_move_insn): Likewise.
9215         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
9216         Likewise.
9217         * stor-layout.c (get_best_mode): Likewise.
9218         * tree-ssa-loop-niter.c (get_val_for): Likewise.
9219         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
9220         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
9221         perform_var_substitution, solve_graph): Likewise.
9222         * tree-vrp.c (vrp_finalize): Likewise.
9223
9224 2007-02-01  Ian Lance Taylor  <iant@google.com>
9225
9226         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
9227         high part of a paradoxical subreg, return a constant zero.
9228
9229 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
9230
9231         * toplev.c (lang_dependent_init): Call init_set_costs.
9232         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
9233
9234 2007-02-01  Richard Guenther  <rguenther@suse.de>
9235
9236         PR middle-end/30656
9237         * fold-const.c (fold_negate_expr): Allow negating a
9238         constant if overflow does not change.
9239
9240 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9241
9242         * doc/c-tree.texi (Expression trees): Improve markup.
9243         * doc/tm.texi (Register Classes, Addressing Modes)
9244         (Floating Point): Fix spacing after abbreviations.  Fix some
9245         typos.
9246
9247 2007-02-01  Ben Elliston  <bje@au.ibm.com>
9248
9249         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
9250         * doc/contrib.texi: Likewise.
9251         * doc/install.texi: Likewise.
9252
9253 2007-01-31  Richard Henderson  <rth@redhat.com>
9254             Ian Lance Taylor  <iant@google.com>
9255
9256         * lower-subreg.c: New file.
9257         * rtl.def (CONCATN): Define.
9258         * passes.c (init_optimization_passes): Add pass_lower_subreg and
9259         pass_lower_subreg2.
9260         * emit-rtl.c (update_reg_offset): New static function, broken out
9261         of gen_rtx_REG_offset.
9262         (gen_rtx_REG_offset): Call update_reg_offset.
9263         (gen_reg_rtx_offset): New function.
9264         * regclass.c: Revert patch of 2006-03-05, restoring
9265         reg_scan_update.
9266         (clear_reg_info_regno): New function.
9267         * dwarf2out.c (concatn_loc_descriptor): New static function.
9268         (loc_descriptor): Handle CONCATN.
9269         * common.opt (fsplit_wide_types): New option.
9270         * opts.c (decode_options): Set flag_split_wide_types when
9271         optimizing.
9272         * timevar.def (TV_LOWER_SUBREG): Define.
9273         * rtl.h (gen_reg_rtx_offset): Declare.
9274         (reg_scan_update): Declare.
9275         * regs.h (clear_reg_info_regno): Declare.
9276         * tree-pass.h (pass_lower_subreg): Declare.
9277         (pass_lower_subreg2): Declare.
9278         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
9279         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
9280         -fsplit-wide-types.
9281         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
9282         * Makefile.in (OBJS-common): Add lower-subreg.o.
9283         (lower-subreg.o): New target.
9284
9285 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9286
9287         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
9288
9289 2007-01-31  Anatoly Sokolov <aesok@post.ru>
9290
9291         PR target/19087
9292         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
9293
9294 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9295
9296         PR middle-end/29335
9297         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
9298
9299 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
9300
9301         * cfgloop.h: Include vec-prim.h.
9302         (enum li_flags): Remove LI_ONLY_OLD.
9303         (loop_iterator): Changed.
9304         (fel_next, fel_init): Iterate over loop tree.
9305         (FOR_EACH_LOOP_BREAK): New macro.
9306         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9307         FOR_EACH_LOOP.
9308         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9309         * modulo-sched.c (sms_schedule): Ditto.
9310         * tree-vectorizer.c (vectorize_loops): Ditto.
9311         * doc/loop.texi: Update information on loop numbering and behavior of
9312         FOR_EACH_LOOP wrto new loops.
9313         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9314         add_to_evolution_1): Test nestedness of loops instead of comparing
9315         their numbers.
9316         * tree-chrec.c (chrec_fold_plus_poly_poly,
9317         chrec_fold_multiply_poly_poly, chrec_evaluate,
9318         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9319         reset_evolution_in_loop): Ditto.
9320         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9321
9322 2007-01-31  Dirk Mueller  <dmueller@suse.de>
9323
9324         * c-common.c (warn_about_parentheses): Separate warning about
9325         un-parenthized sequence of comparison operators from the one
9326         which is supposed to warn about x <= y <= z.
9327
9328 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
9329
9330         * optabs.h (enum optab_index): Add new OTI_isinf.
9331         (isinf_optab): Define corresponding macro.
9332         * optabs.c (init_optabs): Initialize isinf_optab.
9333         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9334         patterns.
9335         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9336         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9337         using isinf_optab.
9338         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9339         expand_builtin_interclass_mathfn.
9340         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9341         * config/i386/i386.md (UNSPEC_FXAM): New constant.
9342         (fxam<mode>2_i387): New insn pattern.
9343         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9344         built-in functions as x87 inline asm.
9345
9346 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9347
9348         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
9349
9350 2007-01-30  Eric Christopher  <echristo@apple.com>
9351
9352         * config.gcc: Add geode.
9353
9354 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9355
9356         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
9357         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
9358         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
9359         value-prof.c: Fix comment typos.
9360
9361 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9362
9363         PR c++/24745
9364         * doc/invoke.texi (Wpointer-arith): Document warning.
9365
9366 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
9367
9368         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
9369         the list of discrepancies from the draft TR.
9370
9371 2007-01-30  Dirk Mueller  <dmueller@suse.de>
9372
9373         PR c++/30601
9374         * doc/invoke.texi (-Wreturn-type): Update description to
9375         match new behavior.
9376
9377 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
9378
9379         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9380
9381 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
9382
9383         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9384         to handle optabs that operate on floating point input argument and
9385         output to integer output.
9386         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9387         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9388         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9389         expand_builtin_interclass_mathfn ().
9390         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
9391         (ilogbsi2): Remove.
9392         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
9393         ilogbl built-in functions as x87 intrinsics.
9394
9395 2007-01-30  Richard Guenther  <rguenther@suse.de>
9396
9397         PR middle-end/27657
9398         * dwarf2out.c (reference_to_unused): Query varpool if the
9399         variable was output.
9400
9401 2007-01-30  Richard Guenther  <rguenther@suse.de>
9402
9403         PR middle-end/30313
9404         * passes.c (execute_one_pass): Reset in_gimple_form to not
9405         confuse non-unit-at-a-time mode.
9406
9407 2007-01-29  Roger Sayle  <roger@eyesopen.com>
9408             Richard Guenther  <rguenther@suse.de>
9409
9410         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
9411         avoid undefined behaviour on overflow.  Use force_fit_type_double
9412         to construct the constant with the specified TREE_OVERFLOW.
9413
9414 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9415
9416         * config/dfp-bit.c: Add parameterized support for fp exceptions.
9417         * config/dfp-bit.h: Ditto.
9418
9419 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9420
9421         * c-decl.c (pop_scope): Replace warnings with call to
9422         warn_for_unused_label.
9423         * c-common.h (warn_for_unused_label): Declare.
9424         * c-common.c (warn_for_unused_label): Define.
9425
9426 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9427
9428         * tree-optimize.c (update_inlined_to_pointers): Delete unused
9429         function.
9430
9431 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9432
9433         * Makefile.in (USER_H): Remove decfloat.h.
9434         * ginclude/decfloat.h: Delete, moving contents to ...
9435         * ginclude/float.h: Add support for decimal floating point,
9436         guarded by __STDC_WANT_DEC_FP__.
9437
9438 2007-01-29  Mike Stump  <mrs@apple.com>
9439
9440         * doc/gccint.texi (Top): Rename Loop Representation to Loop
9441         Analysis and Representation to resolve case insensitive conflict.
9442         * doc/loop.texi (Loop Analysis and Representation): Likewise.
9443
9444 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
9445
9446         * tree.h (struct tree_memory_tag): Add aliases member.
9447         (MTAG_ALIASES): New macro.
9448         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
9449         (add_may_alias): Remove pointer-set. Update for may_aliases being
9450         a bitmap.
9451         (mark_aliases_call_clobbered): Update for may_aliases being a
9452         bitmap.
9453         (compute_tag_properties): Ditto.
9454         (create_partition_for): Ditto.
9455         (compute_memory_partitions): Ditto.
9456         (dump_may_aliases_for): Ditto.
9457         (is_aliased_with): Ditto.
9458         (add_may_alias_for_new_tag): Ditto.
9459         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
9460         (compute_is_aliased): New function.
9461         (compute_may_aliases): Call compute_is_aliased).
9462         (init_alias_info): Initialize alias_bitmap_obstack.
9463         (union_alias_set_into): New function.
9464         (compute_flow_sensitive_aliasing): Use union_aliases_into.
9465         (have_common_aliases_p): Rewrite to take two bitmaps and use
9466         intersection.
9467         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
9468         Update for bitmaps.
9469         (finalize_ref_all_pointers): Update for add_may_alias changes.
9470         (new_type_alias): Ditto.
9471         * tree-flow-inline.h (may_aliases): Return a bitmap.
9472         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
9473         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
9474         may_aliases being a bitmap.
9475         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
9476         may_aliases now returns a bitmap.
9477         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
9478         being a bitmap.
9479         * tree-ssa-operands.c (add_virtual_operand): Update for
9480         may_aliases being a bitmap.
9481
9482 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
9483
9484         PR tree-optimization/30630
9485         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
9486         variable as changed.
9487
9488 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
9489
9490         PR c++/28266
9491         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
9492         expanded only once even if an error occurs.
9493
9494 2007-01-29  Ben Elliston  <bje@au.ibm.com>
9495
9496         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
9497         (__gcov_average_profiler): Likewise.
9498         (__gcov_ior_profiler): Likewise.
9499         (__gcov_merge_ior): Likewise.
9500
9501 2007-01-28  Jan Hubicka  <jh@suse.cz>
9502
9503         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
9504         * value-prof.c (stringop_block_profile): Likewise.
9505
9506 2007-01-28  Jan Hubicka  <jh@suse.cz>
9507
9508         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
9509         variant handling histograms; add wrapper.
9510         (clear_storage_via_libcall): Export.
9511         (emit_block_move_hints): Break out from ...; add histograms.
9512         (emit_block_move): ... this one.
9513         (clear_storage_hints): Break out from ...; add histograms.
9514         (clear_storage): ... this one.
9515         (set_storage_via_memset): Handle histogram.
9516         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
9517         (clear_storage_hints, clear_storage_via_libcall): Declare.
9518         (set_storage_via_setmem): Update prototype.
9519         * doc/md.texi (movmem, setmem): Document new arguments.
9520
9521         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
9522         new histograms.
9523         (stringop_block_profile): New global function.
9524         (tree_stringops_values_to_profile): Profile block size and alignment.
9525         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
9526         HIST_TYPE_IOR.
9527         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
9528         (stringop_block_profile): Declare.
9529         * builtins.c: Include value-prof.h.
9530         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
9531         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
9532         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
9533         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
9534         * profile.c (instrument_values): Add new counters.
9535         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
9536         calls.
9537         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
9538         (tree_init_edge_profiler): Build new profilers.
9539         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
9540         (pass_tree_profile): Add dump.
9541         (tree_profile_hooks): Update.
9542         * Makefile.in (LIBGCOV): Add new constants.
9543         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
9544         __gcov_ior_profiler): New.
9545         * i386.md (movmem/setmem expanders): Add new optional arguments.
9546
9547 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
9548
9549         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9550
9551 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9552
9553         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9554         (tree_unswitch_single_loop): Pass eni_size_weights to
9555         tree_num_loop_insns.
9556         * tree-ssa-loop-manip.c: Include tree-inline.h.
9557         (can_unroll_loop_p): Pass eni_size_weights to
9558         tree_num_loop_insns.
9559         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9560         Pass eni_size_weights to estimate_num_insns.
9561         * tree.h (init_inline_once): Export.
9562         * toplev.c (backend_init): Call init_inline_once.
9563         * cgraphunit.c (cgraph_process_new_functions,
9564         cgraph_analyze_function): Pass eni_inlining_weights to
9565         estimate_num_insns.
9566         * ipa-inline.c (compute_inline_parameters): Ditto.
9567         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9568         to estimate_num_insns.
9569         (try_unroll_loop_completely): Pass eni_size_weights to
9570         tree_num_loop_insns.
9571         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9572         ot estimate_num_insns.
9573         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9574         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9575         * tree-inline.c (eni_inlining_weights, eni_size_weights,
9576         eni_time_weights): New variables.
9577         (init_inline_once): Initialize them.
9578         (struct eni_data): Mew.
9579         (estimate_num_insns_1, estimate_num_insns): Use weights.
9580         * tree-inline.h (struct eni_weights_d): New.
9581         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9582         (estimate_num_insns): Declaration changed.
9583         * cfgloop.h (tree_num_loop_insns): Declaration changed.
9584         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9585         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9586
9587 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9588
9589         * tree-data-ref.c (conflict_fn): Assert that the number of affine
9590         relations in the conflict function is valid.
9591
9592 2007-01-27  Ian Lance Taylor  <iant@google.com>
9593
9594         * common.opt: Add fstrict-overflow.
9595         * opts.c (decode_options): Set flag_strict_overflow if -O2.
9596         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9597         (TYPE_OVERFLOW_UNDEFINED): Define.
9598         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
9599         Replace all uses.
9600         * tree.h (TYPE_TRAP_SIGNED): Don't define.
9601         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9602         (fold_negate_expr): Likewise.
9603         (make_range): Likewise.
9604         (extract_muldiv_1): Likewise.
9605         (maybe_canonicalize_comparison): Likewise.
9606         (fold_comparison): Likewise.
9607         (fold_binary): Likewise.
9608         (tree_expr_nonnegative_p): Likewise.
9609         (tree_expr_nonzero_p): Likewise.
9610         * tree-vrp.c (compare_values): Likewise.
9611         (extract_range_from_binary_expr): Likewise.
9612         (extract_range_from_unary_expr): Likewise.
9613         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9614         Likewise.
9615         (nowrap_type_p): Likewise.
9616         * tree-scalar-evolution.c (simple_iv): Likewise.
9617         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9618         (build_range_check): Likewise.
9619         (extract_muldiv_1): Likewise.
9620         (fold_comparison): Likewise.
9621         * tree-vrp.c (vrp_int_const_binop): Likewise.
9622         (extract_range_from_unary_expr): Likewise.
9623         * convert.c (convert_to_integer): Likewise.
9624         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9625         (fold_comparison): Likewise.
9626         (fold_binary): Likewise.
9627         * optabs.c (optab_for_tree_code): Likewise.
9628         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
9629         * simplify-rtx.c (simplify_const_relational_operation): Check
9630         flag_strict_overflow and flag_trapv.
9631         (simplify_const_relational_operation): Likewise.
9632         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
9633         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
9634         -fstrict-overflow.
9635
9636 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9637
9638         * tree.c (tree_fold_gcd): Delete.
9639         * tree.h (tree_fold_gcd): Remove prototype.
9640         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
9641         test whether one constant integer is a multiple of another.  Instead
9642         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
9643         * fold-const.c (multiple_of_p):  We've determined both TOP and
9644         BOTTOM are integer constants so we can call int_const_binop directly
9645         instead of the more generic const_binop.
9646
9647 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9648
9649         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
9650         1*X check that the constant hasn't overflowed, to preserve the
9651         TREE_OVERFLOW bit.
9652         (round_up): Provide an efficient implementation when rouding-up an
9653         INTEGER_CST to a power-of-two.
9654
9655 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9656
9657         * doc/sourcebuild.texi: Add comma for clarity.
9658         * doc/extend.texi: Fix some typos.
9659         * doc/passes.texi: Likewise.
9660         * doc/cppinternals.texi: Likewise.
9661         * doc/c-tree.texi: Likewise.
9662         * doc/tree-ssa.texi: Likewise.
9663         * doc/install.texi: Likewise.
9664
9665 2007-01-27  Jan Hubicka  <jh@suse.cz>
9666
9667         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
9668         (pass_sra): Do not require alias information.
9669         * passes.c (init_optimization_passes): Add SRA
9670
9671 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
9672
9673         * tracer.c (rest_of_handle_tracer): We already cleaned
9674         up the CFG in tracer() so don't do it here again.
9675         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
9676         cleanup_cfg here, either.  And don't call renumber_insns.
9677
9678         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
9679         and BB_HEAD are in the insn stream here.  Instead make sure
9680         that BB_INSN is valid on all insns.  Also, do check here that
9681         there are no pending branch predictions...
9682         (rtl_verify_flow_info): ...instead of doing it here.  Checks
9683         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
9684         here.
9685
9686 2007-01-26  Roger Sayle  <roger@eyesopen.com>
9687
9688         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
9689         function to simplify/factorize operand order canonicalization.
9690         (ix86_fixup_binary_operands): Reorganize using the above function.
9691         (ix86_binary_operator_ok): Likewise.
9692
9693 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
9694
9695         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
9696         file scope from optimize_attrs.
9697         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
9698         up search.
9699         (optimize_attrs): Clear insn_code_values after freeing it.
9700
9701 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9702
9703         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
9704         a parts.base assignment.
9705
9706 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9707
9708         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
9709         (compute_subscript_distance, initialize_data_dependence_relation,
9710         finalize_ddr_dependent, analyze_ziv_subscript,
9711         analyze_siv_subscript_cst_affine,
9712         compute_overlap_steps_for_affine_univar,
9713         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
9714         analyze_siv_subscript, analyze_miv_subscript,
9715         analyze_overlapping_iterations, subscript_dependence_tester_1,
9716         compute_self_dependence, free_dependence_relation): Work
9717         with affine_fn instead of chrecs.
9718         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
9719         common_affine_function, affine_function_base,
9720         affine_function_constant_p, affine_fn_op, affine_fn_plus,
9721         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
9722         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
9723         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
9724         (all_chrecs_equal_p): Removed.
9725         * tree-data-ref.h (affine_fn, conflict_function): New types.
9726         (struct subscript): Change type of conflicting_iterations_in_a
9727         and conflicting_iterations_in_b.
9728
9729 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
9730
9731         PR other/30182
9732         * config/pa/pa.h (TARGET_HPUX_11): New.
9733         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
9734         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
9735
9736 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
9737         Richard Guenther  <rguenther@suse.de>
9738
9739         * tree-ssa-structalias.c (solve_graph): Handle case
9740         we merged the variable to another.
9741
9742 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9743
9744         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
9745         functions.
9746
9747         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
9748         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
9749
9750 2007-01-25  DJ Delorie  <dj@redhat.com>
9751
9752         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
9753         allow changes to modes which don't fit in those registers.
9754
9755         * reload1.c (choose_reload_regs): Check for invalid subregs before
9756         computing their locations, not after.
9757
9758 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
9759
9760         PR 25127
9761         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
9762         save Altivec registers in an eh_return function.
9763         (compute_vrsave_mask): Likewise.
9764         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
9765         for saving Altivec registers.
9766         (rs6000_emit_prologue): Don't allocate stack twice in
9767         eh_return function.  Correct expected value of altivec_save_offset
9768         when using save_world.  Describe save of R0 to stack when using
9769         save_world.  Describe stack pointer adjustment when using
9770         save_world.  Remove duplicated eh_return parameter register saving.
9771         Update sp_offset variable after save_world.
9772         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
9773         darwin-world.asm.
9774         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
9775         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
9776         implies Altivec.
9777
9778 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9779
9780         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
9781
9782 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9783
9784         PR other/30182
9785         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
9786         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
9787
9788 2007-01-25  Richard Guenther  <rguenther@suse.de>
9789
9790         * doc/invoke.texi (-Wcoverage-mismatch): Document.
9791         * common.opt (-Wcoverage-mismatch): New warning option.
9792         * coverage.c (get_coverage_counts): Ignore coverage mismatch
9793         if -Wcoverage-mismatch is given.
9794
9795 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
9796
9797         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
9798         (ipcp_driver): Change to static definition.
9799         Add dumping of the ifunctions.
9800         (constant_val_insert): Remove unused parameter. Support for SSA.
9801         (ipcp_propagate_const): Support for SSA.
9802         (ipcp_profile_bb_print): Print only analyzed nodes.
9803         (ipcp_replace_map_create): Remove support for Fortran constant
9804         for now.
9805         * ipa-prop.c (ipa_method_modify_stmt,
9806         ipa_callsite_compute_param): Support for SSA.
9807         * ipa-prop.h (ipcp_driver): Remove declaration.
9808         (IS_VALID_TREE_MAP_INDEX): Add define.
9809
9810 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
9811
9812         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
9813
9814 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9815
9816         PR middle-end/30447
9817         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
9818         constant argument to cabs and do it without checking for
9819         -funsafe-math-optimizations.
9820
9821 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
9822
9823         * c-common.h (RID_FIRST_CXX0X): New.
9824         (RID_LAST_CXX0X): New.
9825         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
9826         by -Wall.
9827         * c.opt (Wc++0x-compat): New.
9828         * doc/invoke.texi (-Wc++0x-compat): Document.
9829
9830 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9831
9832         * builtins.c (fold_builtin_carg): New.
9833         (fold_builtin_1): Use it.
9834
9835 2007-01-24  Jan Hubicka  <jh@suse.cz>
9836
9837         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
9838
9839         * ipa-inline.c (initial_insns, max_insns): Delete.
9840         (compute_max_insns): New function.
9841         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
9842         of insns as base for code growth.
9843         (cgraph_decide_inlining): Make initial_insns local; do not compute
9844         max_insns.
9845         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
9846         * doc/invoke.texi (inline-unit-growth): Update docs.
9847
9848 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
9849
9850         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
9851         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
9852         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
9853         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
9854         for CPUs that have PTA_CX16 set.
9855
9856         PR middle-end/27416
9857         * gimplify.c (omp_check_private): New function.
9858         (gimplify_scan_omp_clauses): Use it for
9859         firstprivate/lastprivate/reduction.
9860
9861         PR middle-end/30494
9862         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
9863         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
9864
9865         PR middle-end/30421
9866         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
9867         If lower_lastprivate_clauses emits some statements, append them
9868         to dlist rather than body_p and to body_p append an initializer.
9869         (lower_omp_for): Adjust caller.
9870
9871 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
9872
9873         * target.h (globalize_decl_name): New.
9874         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9875         * output.h (default_globalize_decl_name): New.
9876         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
9877         globalize_label.
9878         (globalize_decl): Ditto.
9879         (default_globalize_decl_name): New.
9880         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
9881         (ia64_handle_version_id_attribute): New.
9882         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9883         (ia64_asm_output_external): Use globalize_decl_name instead
9884         of globalize_label.
9885         * doc/extend.texi (version_id): New pragma.
9886         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
9887
9888 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9889
9890         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
9891         _uleb128_t and _Unwind_SWord with _sleb128_t.
9892         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
9893         uw_frame_state_for, uw_update_context_1): Likewise.
9894         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
9895         * unwind-pe.h (read_uleb128, read_sleb128,
9896         read_encoded_value_with_base): Likewise.
9897         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
9898
9899 2007-01-24  Richard Guenther  <rguenther@suse.de>
9900
9901         * builtins.c (expand_builtin_cexpi): Get the fndecl
9902         for cexp in the correct way.
9903
9904 2007-01-24  Jan Hubicka  <jh@suse.cz>
9905
9906         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
9907
9908 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9909
9910         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
9911         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
9912         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
9913         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
9914         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
9915         __SIZEOF_PTRDIFF_T__.
9916         * doc/cpp.texi: Documentation for the new builtin macros added.
9917
9918 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
9919
9920         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
9921         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
9922         instead of operands[2] to avoid access past the end of array.
9923
9924 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
9925
9926         * reload1.c (emit_reload_insns): Pass the reload register
9927         for a non-spill output reload through forget_old_reloads_1.
9928
9929 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
9930
9931         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9932         _SOFT_DOUBLE if doubles use software floating-point.
9933         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
9934         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9935         * config/rs6000/darwin-ldouble.c: Also compile functions for
9936         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
9937         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9938         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
9939         commented-out long double override.
9940         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
9941         * config/rs6000/eabispe.h: Likewise.
9942         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
9943         long double for non-SPE.
9944         (rs6000_handle_option): Likewise.
9945         (invalid_e500_subreg): Disallow more subregs involding DImode,
9946         DFmode, TImode or TFmode.
9947         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
9948         E500 double.
9949         (legitimate_lo_sum_address_p): Also check for TFmode for E500
9950         double.
9951         (rs6000_legitimize_address): Also handle TFmode for E500 double.
9952         (rs6000_legitimize_reload_address): Also handle TFmode for E500
9953         double.
9954         (rs6000_legitimate_address): Also check for TFmode for E500
9955         double.
9956         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
9957         (spe_build_register_parallel): Handle TFmode and TCmode.
9958         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
9959         double.
9960         (function_arg): Handle TFmode and TCmode for E500 double.
9961         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
9962         in general.
9963         (print_operand): Handle TFmode and TImode for %y.
9964         (rs6000_generate_compare): Handle TFmode comparisons for E500
9965         double.
9966         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
9967         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
9968         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
9969         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
9970         TFmode for E500 double.
9971         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
9972         (floatsidf2): Enable for E500 double.
9973         (movtf_softfloat): Use rs6000_nonimmediate_operand.
9974         (extenddftf2): Change to extenddftf2_fprs.
9975         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
9976         depending on TARGET_E500_DOUBLE.
9977         (extendsftf2): Enable for E500 double.
9978         (trunctfdf2): Enable for E500 double.
9979         (trunctfsf2): Change to trunctfsf2_fprs.
9980         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
9981         depending on TARGET_E500_DOUBLE.
9982         (floatsitf2): Enable for E500 double.
9983         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
9984         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
9985         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
9986         (negtf2): Change to negtf2_internal.
9987         (negtf2): New expander.
9988         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
9989         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
9990         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
9991         (movdi_internal32): Use rs6000_nonimmediate_operand.
9992         (unnamed splitter): Likewise.
9993         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
9994         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
9995         (SPE64TF, DITI): New mode macros.
9996         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
9997         modes.
9998         (frob_tf_ti): New.
9999         (frob_<mode>_di_2): New.
10000         (frob_tf_di_8_2): New.
10001         (frob_di_df): Change to frob_di_<mode>; allow more modes.
10002         (frob_ti_tf): New.
10003         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
10004         more modes.
10005         (frob_ti_<mode>_8_2): New.
10006         (frob_ti_tf_2): New.
10007         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
10008         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
10009         TFmode.
10010         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
10011         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
10012         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
10013         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
10014         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
10015         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
10016         tsttflt_gp): New.
10017
10018 2007-01-23  Ian Lance Taylor  <iant@google.com>
10019
10020         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
10021         insn-*.o first.
10022         (OBJS-archive): Reformat, alphabetize.
10023         (OBJS): Change out_object_file to OBJS-md.
10024
10025 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
10026
10027         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
10028         JUMP_P and CALL_P predicates where applicable.
10029         * config/i386/i386.c: Ditto.
10030         * config/i386/i386.md: Ditto.
10031         * config/i386/mmx.md: Ditto.
10032         * config/i386/predicates.md: Ditto.
10033
10034 2007-01-22  Andreas Schwab  <schwab@suse.de>
10035
10036         * config/m68k/m68k.h: Fix comment.
10037
10038 2007-01-22  Jan Hubicka  <jh@suse.cz>
10039
10040         * passes.c (init_optimization_passes): Do not rerun
10041         pass_early_warn_uninitialized.
10042
10043 2007-01-22  Richard Guenther  <rguenther@suse.de>
10044
10045         PR tree-optimization/30038
10046         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
10047         function.
10048         (execute_cse_sincos_1): Likewise.
10049         (execute_cse_sincos): Likewise.
10050         (gate_cse_sincos): Likewise.
10051         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
10052         the cexpi() canonicalization of sincos().
10053         * tree-pass.h (pass_cse_sincos): Declare.
10054         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
10055
10056 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10057
10058         PR rtl-optimization/29329
10059         * combine.c (replaced_rhs_insn): Rename to i2mod.
10060         (replaced_rhs_value): Rename to i2mod_new_rhs.
10061         (i2mod_old_rhs): New global variable.
10062         (combine_instructions): Adjust for above change.  Save a copy of
10063         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
10064         note are substituted in the second instruction.
10065         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
10066         ditch the note if it pertains to the second eliminated register
10067         and this register is mentioned in i2mod_old_rhs.
10068
10069         Revert:
10070         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
10071
10072         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
10073         the insn to which the note was originally attached.
10074
10075 2007-01-21  Jan Hubicka  <jh@suse.cz>
10076
10077         * ipa-inline.c (inlining_mode): Comment, move up.
10078         (cgraph_decide_inlining_incrementally): Do not perform inlining
10079         itself; fix handling of flattening of self recursive functions.
10080         (cgraph_find_cycles): Remove.
10081         (cgraph_flatten_node): Remove.
10082         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
10083         (try_inline): New function.
10084         (cgraph_early_inlining): Update call of
10085         cgraph_decide_inlining_incrementally.  Apply inlining here.
10086         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
10087
10088 2007-01-21  Dirk Mueller  <dmueller@suse.de>
10089
10090         PR bootstrap/30511
10091         * tree-vrp.c (check_array_bounds): do not warn
10092         about ADDR_EXPR's of ARRAY_REF's which are immediately
10093         used in binary expressions.
10094
10095 2007-01-21  Ira Rosen  <irar@il.ibm.com>
10096
10097         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
10098         read_write_dep and macros for its access.
10099         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
10100         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
10101         argument, call vect_check_interleaving for every independent pair of
10102         data-refs. Mark loads that access the same memory location as a store
10103         in the loop.
10104         (vect_check_dependences): Remove.
10105         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
10106         call, fix the call to vect_analyze_data_ref_dependence.
10107         (vect_analyze_data_ref_access): For statements that access the same
10108         data-ref, check that they are not stores; for loads, check that there
10109         is no store that access the same location.
10110
10111 2007-01-20  Roger Sayle  <roger@eyesopen.com>
10112             Joseph Myers  <joseph@codesourcery.com>
10113
10114         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
10115         (-fdump-rtl-stack): Likewise.
10116         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
10117         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
10118         (-mpt-fixed): Use @minus{} for minus sign.
10119         (Using Precompiled Headers): Fix under/overfull hbox.
10120
10121 2007-01-20  Jan Hubicka  <jh@suse.cz>
10122
10123         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
10124         place within annotation.
10125
10126 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10127
10128         * pa.c (output_move_double): Change array size of xoperands to 4.
10129
10130 2007-01-20  Jan Hubicka  <jh@suse.cz>
10131
10132         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
10133         as temporary.
10134
10135 2007-01-19  Ian Lance Taylor  <iant@google.com>
10136
10137         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
10138         constant to unsigned HOST_WIDE_INT before negating.
10139
10140 2007-01-19  Ian Lance Taylor  <iant@google.com>
10141
10142         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
10143         to unsigned.
10144         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
10145         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10146         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
10147         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
10148         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10149         (realloc_vdef, realloc_vuse): Change second parameter to
10150         unsigned.
10151         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
10152         fields to unsigned.
10153         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
10154         unsigned. Change x and lim locals to unsigned.
10155         (realloc_vdef, realloc_vuse): Change num_elem parameter to
10156         unsigned.
10157         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
10158         (copy_virtual_operands): Change i and n locals to unsigned.
10159
10160 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10161
10162         PR middle-end/29335
10163         * builtins.c (fold_builtin_1): Handle builtin fdim.
10164
10165 2007-01-20  Jan Hubicka  <jh@suse.cz>
10166
10167         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
10168         * tree-ssa-structalias.c (compute_points_to_sets): Do call
10169         init_alias_heapvars.
10170         (init_alias_heapvars): Initialize only when not already initialized.
10171         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
10172
10173 2007-01-19  Roger Sayle  <roger@eyesopen.com>
10174
10175         * common.opt (fsigned-zeros): New command line option.
10176         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
10177         of flag_unsafe_math_optimizations.
10178         * opts.c (set_fast_math_flags): The -ffast-math command line option
10179         implies -fno-signed-zeros.
10180         (fast_math_flags_set_p): Likewise.
10181
10182         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
10183         the documentation of -ffast-math appropriately.  Wrap long lines.
10184
10185 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
10186
10187         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
10188         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
10189
10190 2007-01-19  Tomas Bily  <tbily@suse.cz>
10191
10192         * cgraphunit.c (cgraph_finalize_function): Updating of pid
10193         * tree-profile.c:
10194         (tree_init_ic_make_global_vars): New function
10195         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
10196         (tree_gen_ic_profiler): New function
10197         (tree_gen_ic_func_profiler): New function
10198         (tree_profiling): Added calling of tree_gen_ic_func_profiler
10199         (tree_profile_hooks): Added hook for indirec/virtual calls
10200         * value-prof.c (tree_find_values_to_profile): New case for
10201         indirect calls
10202         (tree_values_to_profile): Call for determining indirect/virtual
10203         counters
10204         (tree_indirect_call_to_profile): New function
10205         (tree_ic_transform): New function
10206         (tree_ic): New function
10207         (find_func_by_pid): New function
10208         (init_pid_map): New function
10209         (tree_value_profile_transformations): Added check for
10210         indirect/virtual call transformation
10211         * value-prof.h (enum hist_type): New counter type for
10212         indirect/virtual calls
10213         (profile_hooks): Added new hook for profiling indirect/virtual
10214         calls
10215         * profile.c (instrument_values): New case for indirect/virtual
10216         call added
10217         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
10218         (GCOV_COUNTER_V_INDIR): New counter type
10219         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
10220         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
10221         call added
10222         * cgraph.c: Definition of cgraph_max_pid
10223         (cgraph_create_node): Default init of pid attribute
10224         * cgraph.h: Declaration of cgraph_max_pid
10225         (struct cgraph_node): Added pid attribute
10226         * libgcov.c (__gcov_indirect_call_profiler): New function
10227         (__gcov_one_value_profiler_body): New function
10228         (__gcov_one_value_profiler): Body was moved to
10229         __gcov_one_value_profiler_body and calls it
10230
10231 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
10232
10233         * doc/gty.texi (Options): Document the mark_hook option to GTY.
10234         * gengtype.c (write_types_data, write_func_for_structure,
10235         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
10236         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
10237         (walk_type, write_func_for_structure): Generate the mark_hook if
10238         needed.
10239
10240 2007-01-19  Jan Hubicka  <jh@suse.cz>
10241
10242         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
10243         'early' argument take inlining mode argument specifying whether to
10244         inline for size/speeed or all functions; add support for flattening;
10245         improve dumpting.
10246         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
10247
10248 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10249
10250         PR c++/17947
10251         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
10252         the name of the declared identifier.
10253
10254 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10255
10256         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
10257         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
10258         duplicate evaluation.
10259
10260 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10261
10262         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
10263         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
10264         to XFMode, use acosxf2 and truncate result to requested mode.
10265         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10266         (asin<mode>2): Similarly, with asin expanders.
10267         (*fscalexf4_i387): Rename from *fscalexf4.
10268         (expNcorexf3): New expander.
10269         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
10270         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
10271         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
10272         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
10273         patterns for SSE math.
10274         (exp10<mode>2): Similarly, with exp10 expanders.
10275         (exp2<mode>2): Similarly, with exp2 expanders.
10276         (expm1<mode>2): Similarly, with expm1 expanders.
10277         (ldexp<mode>3): Similarly, with ldexp expanders.
10278         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
10279         Use gen_truncxf<mode>2_i387_noop to truncate result.
10280
10281 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10282
10283         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
10284         for ColdFire targets.
10285
10286 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
10287             Richard Sandiford  <richard@codesourcery.com>
10288
10289         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
10290         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
10291         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
10292         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
10293         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10294         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10295
10296 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10297
10298         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
10299         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
10300         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
10301         (*adddi_dilshr32_cf): New pattern.
10302         (adddi3, subdi3): Remove first alternatives.
10303
10304 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10305
10306         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10307         implemented using move.l, do not use its cc result for floating-point
10308         comparisons.
10309
10310 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10311
10312         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10313         from accepting 's' constraints if flag_pic.
10314
10315 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10316
10317         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10318         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10319         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10320         condition from TARGET_68881 to TARGET_HARD_FLOAT.
10321
10322 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
10323
10324         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10325         ColdFire alternatives.
10326         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10327         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
10328         architectures that support ff1 instruction.
10329
10330 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10331             Julian Brown  <julian@codesourcery.com>
10332
10333         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10334         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10335         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
10336         Add commentary.
10337
10338 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10339
10340         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10341         and return a bool.
10342         (output_move_const_into_data_reg, output_move_simode_const): Delete.
10343         * config/m68k/m68k.c (const_method, const_int_cost): Take a
10344         HOST_WIDE_INT instead of an rtx.
10345         (m68k_rtx_costs): Update call accordingly.
10346         (output_move_const_into_data_reg): Likewise.  Fix formatting.
10347         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
10348         Return a bool.
10349         (output_move_simode_const): Update calls after above changes.
10350         Rework to use automatic variables and predicates like MEM_P.
10351         * config/m68k/m68k.md (pushexthisi_const): Update call to
10352         valid_mov3q_const.
10353
10354 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10355
10356         * tree-ssa-alias.c (perform_var_substitution): Fix typo
10357         in dump_flags test.
10358
10359 2007-01-19  Richard Guenther  <rguenther@suse.de>
10360
10361         * builtins.c (expand_builtin_cexpi): Fall back to expanding
10362         via cexp in case sincos is not available.
10363
10364 2007-01-19  Richard Guenther  <rguenther@suse.de>
10365
10366         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
10367         * defaults.h (TARGET_HAS_SINCOS): Default to off.
10368         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
10369         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
10370         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
10371         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
10372         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
10373         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
10374
10375 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10376
10377         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
10378         New insn patterns.
10379         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10380         (atan2xf3): Directly generate RTL pattern.
10381         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10382         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10383         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10384         disable patterns for SSE math.
10385         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10386         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10387         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10388         disable patterns for SSE math.
10389
10390 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
10391
10392         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
10393
10394 2007-01-18  Roger Sayle  <roger@eyesopen.com>
10395
10396         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
10397         VIEW_CONVERT_EXPR to the same type as it's operand.
10398
10399 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
10400
10401         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
10402         configured for long double 128.
10403
10404 2007-01-18  Mike Stump  <mrs@apple.com>
10405
10406         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
10407         error.
10408
10409 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
10410
10411         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
10412         type correct.
10413
10414 2007-01-18  Jan Hubicka  <jh@suse.cz>
10415
10416         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
10417         greater than NUM_VOP_FREE_BUCKETS.
10418
10419 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
10420
10421         * tree-ssa-structalias.c: Update comments.
10422         (ptabitmap_obstack): Removed.
10423         (pta_obstack): New.
10424         (oldpta_obstack): Ditto.
10425         (stats): Add a few members.
10426         (struct variable_info): Remove node, complex, address_taken, and
10427         indirect_target members. Add oldsolution member.
10428         (new_var_info): Do not initialize removed members.
10429         (constraint_expr_type): Remove INCLUDES.
10430         (constraint_graph): Add size, implicit_preds, rep,
10431         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
10432         (FIRST_REF_NODE): New macro.
10433         (LAST_REF_NODE): Ditto.
10434         (FIRST_ADDR_NODE): Ditto.
10435         (find): New function.
10436         (unite): Ditto.
10437         (dump_constraint): Do not handle INCLUDES.
10438         (insert_into_complex): Do not insert duplicate constraints.
10439         (condense_varmap_nodes): Renamed and rewritten into ...
10440         (merge_node_constraints): This. Also fix bug in handling of
10441         offseted copy constraints.
10442         (clear_edges_for_node): No longer need to deal with preds at all,
10443         or removing associated preds/succs.
10444         (merge_graph_nodes): Deal with indirect_cycles.
10445         Don't deal with predecessors.
10446         (add_implicit_graph_edge): New function.
10447         (add_pred_graph_edge): Ditto.
10448         (add_graph_edge): Don't deal with predecessors.
10449         (build_constraint_graph): Removed.
10450         (build_pred_graph): New function.
10451         (build_succ_graph): Ditto.
10452         (struct scc_info): Removed in_component. Added roots, dfs, and
10453         node_mapping. Remove visited_index, unification_queue.
10454         (scc_visit): Deal with union-find we do now.
10455         Deal with cycles with REF nodes.
10456         (collapse_nodes): Renamed and rewritten to ...
10457         (unify_nodes): This.
10458         (process_unification_queue): Removed.
10459         (topo_visit): Cleanup
10460         (do_da_constraint): Use find.
10461         (do_sd_constraint): Ditto.
10462         (do_ds_constraint): Ditto.
10463         (do_complex_constraint): Ditto.
10464         (init_scc_info): Update for removed and added members.
10465         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
10466         (find_indirect_cycles): This.
10467         (equivalence_class): New variable.
10468         (label_visit): New function.
10469         (perform_variable_substitution): Rewritten.
10470         (free_var_substitution_info): New function.
10471         (find_equivalent_node): Ditto.
10472         (move_complex_constraints): Ditto.
10473         (eliminate_indirect_cycles): Ditto.
10474         (solve_graph): Only propagate changed bits.
10475         Use indirect cycle elimination.
10476         Use find.
10477         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
10478         (tree_id_eq): Renamed to ...
10479         (tree_vi_eq): This. Update for member change
10480         (insert_id_for_tree): Renamed and rewritten to ...
10481         (insert_vi_for_tree): This.
10482         (lookup_id_for_tree): Renamed and rewritten to ...
10483         (lookup_vi_for_tree): This.
10484         (get_id_for_tree): Renamed and rewritten to ...
10485         (get_vi_for_tree): Ditto.
10486         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
10487         (process_constraint): Don't handle INCLUDES.
10488         Remove special ADDRESSOF case.
10489         (find_func_aliases): Rewrite to use vi functions instead of id
10490         ones.
10491         (create_function_info_for): Ditto.
10492         (create_variable_info_for): Ditto.
10493         (intra_create_variable_infos): Ditto.
10494         (merge_smts_into): Ditto.
10495         (find_what_p_points_to): Ditto.
10496         (init_base_vars): Ditto.
10497         (init_alias_vars): Ditto.
10498         (remove_preds_and_fake_succs): New function.
10499         (dump_sa_points_to_info): Dump new stats.
10500         (dump_solution_for_var): Use find.
10501         (set_used_smts): Fix formatting.
10502         (compute_points_to_sets): Updated for new functions.
10503         (ipa_pta_execute): Ditto.
10504
10505 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10506             Richard Sandiford  <richard@codesourcery.com>
10507
10508         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
10509         parallels.
10510         * calls.c (expand_call): If the return value is a PARALLEL,
10511         extract its first member.
10512         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
10513         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10514         use FUNCTION_EXTRA_EPILOGUE.
10515         (m68k_function_value): Return a PARALLEL if the return value
10516         is of a pointer type.
10517         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
10518         (FUNCTION_EXTRA_EPILOGUE): Remove.
10519         * config/m68k/m68k.md (D0_REG): New constant.
10520
10521 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10522
10523         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10524         output a NOP for empty epilogues.
10525
10526 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10527
10528         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
10529         before function.  Extend register save check to include all
10530         registers, not just integer ones.
10531
10532 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10533
10534         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
10535         (m68k_use_return_insn): ...this.
10536         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
10537         * config/m68k/m68k.c (use_return_insn): Rename to...
10538         (m68k_use_return_insn): ...this.
10539         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
10540         of USE_RETURN_INSN.
10541
10542 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10543
10544         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
10545         nearest even, fix denormal rounding overflow.
10546
10547 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10548
10549         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10550         f%$smove and f%$move.
10551         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10552         (extendsfdf2_cf): Use fdmove instead of f%&move.
10553         (truncdfsf2_cf): Use fsmove instead of f%$smove.
10554         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10555
10556 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10557
10558         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10559         GPR<-GPR moves.
10560
10561 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10562
10563         * real.h (real_format): Add a canonical_nan_lsbs_set field.
10564         (coldfire_single_format): Declare.
10565         (coldfire_double_format): Likewise.
10566         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10567         of qnan_msb_set to determine the lower bits of a canonical
10568         NaN significand.
10569         (encode_ieee_double): Likewise.
10570         (encode_ieee_quad): Likewise.
10571         (ieee_single_format): Initialize canonical_nan_lsbs_set.
10572         (mips_single_format): Likewise.
10573         (ieee_double_format): Likewise.
10574         (mips_double_format): Likewise.
10575         (ieee_extended_motorola_format): Likewise.
10576         (ieee_extended_intel_96_format): Likewise.
10577         (ieee_extended_intel_128_format): Likewise.
10578         (ieee_extended_intel_96_round_53_format): Likewise.
10579         (ibm_extended_format): Likewise.
10580         (mips_extended_format): Likewise.
10581         (ieee_quad_format): Likewise.
10582         (mips_quad_format): Likewise.
10583         (vax_f_format): Likewise.
10584         (vax_d_format): Likewise.
10585         (vax_g_format): Likewise.
10586         (i370_single_format): Likewise.
10587         (i370_double_format): Likewise.
10588         (decimal_single_format): Likewise.
10589         (decimal_double_format): Likewise.
10590         (decimal_quad_format): Likewise.
10591         (c4x_single_format): Likewise.
10592         (c4x_extended_format): Likewise.
10593         (real_internal_format): Likewise.
10594         (coldfire_single_format): New real_format.
10595         (coldfire_double_format): Likewise.
10596         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10597         canonical_nan_lsbs_set.
10598         (pdp11_d_format): Likewise.
10599         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10600         if TARGET_COLDFIRE_CPU.
10601
10602 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10603
10604         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10605         (output_call, m68k_legitimize_call_address): Declare.
10606         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10607         parenthesees.  Add support for a 'W' constraint.
10608         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10609         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10610         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10611         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10612         variables.
10613         (override_options): Initialize them.  Do not set flag_no_function_cse
10614         for TARGET_ID_SHARED_LIBRARY.
10615         (m68k_output_pic_call): Delete.
10616         (m68k_legitimize_call_address): New function.
10617         (print_operand): Remove the %o prefix.  Handle the %p prefix.
10618         (output_call): New function.
10619         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
10620         target address from the GOT if symbolic jumps are not allowed.
10621         * config/m68k/m68k.md (call, general_operand): Do not set
10622         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
10623         Merge separate flag_pic and !flag_pic define_insns into...
10624         (*call, *call_value): ...these new patterns.  Match the address
10625         rather than the containing MEM and require it to be a call_operand.
10626         Use output_call to generate the asm template.
10627         * config/m68k/predicates.md (const_call_operand): New predicate.
10628         (call_operand): Likewise.
10629
10630 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10631
10632         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
10633         (STACK_GROWS_DOWNWARD): Define to 1.
10634         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
10635         comments, emphasizing that these values are only defaults.
10636         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
10637         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
10638
10639 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10640
10641         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
10642
10643 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10644             Richard Sandiford  <richard@codesourcery.com>
10645
10646         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
10647         (FP_REGNO_P): New macros.
10648         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
10649         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
10650         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
10651         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
10652
10653 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10654
10655         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10656         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
10657         to $tmake_file.
10658         * config/m68k/t-floatlib: New file, extracting common code from...
10659         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
10660         * config/m68k/t-uclinux: Here.
10661         * config/m68k/fpgnulib.c: Do not compile extendeed precision
10662         routines on ColdFire targets.
10663
10664 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10665
10666         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10667         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
10668         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
10669         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
10670         explicitly set MOTOROLA to 1.
10671         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
10672
10673 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10674             Nathan Sidwell  <nathan@codesourcery.com>
10675
10676         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
10677         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
10678         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
10679         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
10680         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
10681         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
10682         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
10683         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
10684         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
10685         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10686         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
10687         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
10688         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
10689         (DBX_REGISTER_NUMBER): Delete.
10690         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
10691         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10692         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
10693
10694 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10695
10696         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
10697         * config/flat.h: New file.
10698         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
10699         OBJECT_FORMAT_FLAT.
10700         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
10701         indirect references for -msep-data or -mid-shared-library.
10702         Do not use PC-relative code addresses either.
10703         * config/m68k/m68k.c (override_options): Restrict -fPIC error
10704         to -mpcrel.
10705         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
10706         for shared libraries and crt1.o for executables.  Use crti.o and
10707         crtbegin.o.
10708         (ENDFILE_SPEC): Use crtend.o and crtn.o.
10709         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
10710         Do not add -elf2flt or -shared-lib-id options here.
10711         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
10712         Pass -shared-lib-id if -mid-shared-library, taking the library
10713         identifier from -mshared-library-id if given, otherwise
10714         defaulting to 0.
10715         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
10716         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
10717         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
10718         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
10719         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
10720         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
10721         and crtend.o.
10722         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
10723         jump sequence for ISA A and ISA A+.
10724         (PICJUMP): Likewise.
10725
10726 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10727
10728         * config.gcc (m68k-*-uclinux*): Base the port on the common
10729         and m68k GNU/Linux files rather than on the generic ELF ones.
10730         * config/m68k/uclinux.h (TARGET_VERSION): Override.
10731         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10732
10733 2007-01-18  Julian Brown  <julian@codesourcery.com>
10734             Richard Sandiford  <richard@codesourcery.com>
10735
10736         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
10737         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10738         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
10739         before redefining.
10740         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
10741         80 unconditionally.
10742         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10743
10744 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10745
10746         * doc/install.texi: Document m68k-uclinuxoldabi.
10747         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
10748         * config/m68k/uclinux-oldabi.h: New file, copied from
10749         config/m68k/uclinux.h.
10750
10751 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
10752
10753         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
10754         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
10755         (m32r_compute_frame_size): Use unsigned for regno.
10756         (m32r_reload_lr): Use gen_frame_mem.
10757         (pop): New.
10758         (m32r_output_function_epilogue): Don't output the function epilogue
10759         textually here.
10760         (m32r_expand_epilogue): New.
10761         (direct_return): Return false if the function has the interrupt
10762         attribute.
10763         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
10764         * config/m32r/m32r.md (epilogue): New expander.
10765         (return_lr, return_rte): New insns.
10766         (return): Make it expander.
10767         (return_normal): New expander.
10768
10769 2007-01-18  Josh Conner  <jconner@apple.com>
10770
10771         PR target/30485
10772         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
10773         support for UNLE, UNLT, UNGE, and UNGT.
10774
10775 2007-01-18  Jan Hubicka  <jh@suse.cz>
10776
10777         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
10778         * tree-tailcall (add_virtual_phis): Likewise.
10779         (optimize_tail_call): Return TODOs.
10780         (execute_tail_calls): Return TODOs.
10781         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
10782         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
10783         changed.
10784         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
10785         Cleanup cfg using TODO.
10786         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
10787         * passes.c (execute_function_todo): When cleanup did something, remove
10788         unused locals.
10789         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
10790         (make_edges): Don't cleanup_cfg.
10791
10792 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
10793
10794         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
10795         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
10796         operate on the top of stack.
10797         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
10798         register handling of instructions that output to the second
10799         stack slot.
10800         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
10801         (move_for_stack_reg): Special-case check for dead destination
10802         stack slot for constant load of 1.0 inside UNSPEC_TAN.
10803
10804         * config/i386/i386.md (UNSPEC_TAN): New constant.
10805         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
10806         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
10807         to correctly model move of constant 1.0 to top stack slot.
10808         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
10809         (unnamed peephole2 pattern): Remove corresponding peephole2
10810         pattern that optimizes tan insn and loading of constant 1.0.
10811         (tanxf2): Use fptanxf4_i387.
10812         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
10813         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
10814         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10815         disable patterns for SSE math.
10816         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
10817         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
10818
10819 2007-01-18  Dirk Mueller  <dmueller@suse.de>
10820             Richard Guenther <rguenther@suse.de>
10821
10822         PR diagnostic/8268
10823         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
10824         * common.opt (Warray-bounds): Add new warning option.
10825         * c-opts.c (c_common_handle_option): Define -Warray-bounds
10826         if -Wall is given.
10827         * Makefile.in: make tree-vrp.o depend on toplev.h
10828         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
10829         is enabled.
10830         (check_array_refs, check_array_bounds, check_array_ref): New.
10831
10832 2007-01-18  Jan Hubicka  <jh@suse.cz>
10833
10834         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
10835         (execute_ssa_ccp): Return flags conditionally.
10836         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
10837         changed.
10838         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
10839
10840 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
10841
10842         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
10843         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
10844
10845         * Makefile.c (GTFILES): Add cfglayout.h.
10846         * gengtype.c (open_base_files): Likewise.
10847         * cfglayout.c (cfg_layout_function_footer,
10848         cfg_layout_function_header) Reindent to make gengtype happy.
10849         * cfglayout.h (cfg_layout_function_footer,
10850         cfg_layout_function_header): Add GTY(()) marker.
10851
10852         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
10853
10854 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10855
10856         * genautomata.c (write_automata): Include xstrerror output in the
10857         error message if writing the DFA description file fails.
10858
10859 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
10860
10861         * config/mips/mips-protos.h (mips_output_external): Make it
10862         return void.
10863         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
10864         * config/mips/mips.c (irix_output_external_libcall): Likewise.
10865         (extern_list): Likewise.
10866         (extern_head): Likewise.
10867         (TARGET_ASM_FILE_END): Likewise.
10868         (mips_file_end): Likewise.
10869         (mips_output_external): Rewritten.
10870
10871 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10872
10873         * genpreds.c (write_insn_preds_c): Only write out the function
10874         body for regclass_for_constraint if we have register constraints.
10875
10876 2007-01-17  Tom Tromey  <tromey@redhat.com>
10877
10878         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
10879         * doc/install.texi (Testing): Use sourceware.org.
10880         (Binaries): Likewise.
10881         (Specific): Likewise.
10882         * doc/contrib.texi (Contributors): Use sourceware.org.
10883
10884 2007-01-17  Anatoly Sokolov <aesok@post.ru>
10885
10886         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
10887         (AVR_ENHANCED): Rename to ...
10888         (AVR_HAVE_MUL): ... new.
10889         (avr_enhanced_p): Rename to ...
10890         (avr_have_mul_p): ... new.
10891         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
10892         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
10893         * config/avr/avr.c (avr_enhanced_p): Rename to ...
10894         (avr_have_mul_p): ... new.
10895         (base_arch_s): Rename 'enhanced' to 'have_mul'.
10896         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
10897         'avr_enhanced_p' and 'enhanced'.
10898         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
10899         AVR_HAVE_MUL instead of AVR_ENHANCED.
10900         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10901         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
10902         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
10903         instead of AVR_ENHANCED.
10904         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10905         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
10906         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
10907
10908 2007-01-17  Ian Lance Taylor  <iant@google.com>
10909
10910         * vec.h (VEC_reserve_exact): Define.
10911         (vec_gc_p_reserve_exact): Declare.
10912         (vec_gc_o_reserve_exact): Declare.
10913         (vec_heap_p_reserve_exact): Declare.
10914         (vec_heap_o_reserve_exact): Declare.
10915         (VEC_OP (T,A,reserve_exact)): New static inline function, three
10916         versions.
10917         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
10918         negative parameter.
10919         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
10920         (VEC_OP (T,A,copy)) [all versions]: Likewise.
10921         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
10922         * vec.c (calculate_allocation): Add exact parameter.  Change all
10923         callers.
10924         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
10925         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
10926         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
10927         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
10928         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
10929         (vec_heap_p_reserve_exact): New function.
10930         (vec_heap_o_reserve_exact): New function.
10931
10932 2007-01-17  Jan Hubicka  <jh@suse.cz>
10933
10934         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
10935
10936 2007-01-17  Eric Christopher  <echristo@apple.com>
10937
10938         * config.gcc: Support core2 processor.
10939
10940 2007-01-16  Jan Hubicka  <jh@suse.cz>
10941
10942         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
10943         the names, just unlink the chain so we don't crash on dangling pointers
10944         to dead SSA names.
10945
10946 2007-01-16  Jan Hubicka  <jh@suse.cz>
10947
10948         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
10949         * tree-pass.h: Reorder to make IPA passes appear toegher.
10950         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
10951         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
10952         parameters, do not call early inliner.
10953         * ipa-inline.c: Update comments.  Include tree-flow.h
10954         (cgraph_decide_inlining): Do not compute inlining parameters.
10955         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
10956         be called with function context set up.
10957         (pass_ipa_inline): Remove unreachable functions before pass.
10958         (cgraph_early_inlining): Simplify assuming to be called from the
10959         PM as local pass.
10960         (pass_early_inline): New pass.
10961         (cgraph_gate_ipa_early_inlining): New gate.
10962         (pass_ipa_early_inline): Turn into simple wrapper.
10963         (compute_inline_parameters): New function.
10964         (gate_inline_passes): New gate.
10965         (pass_inline_parameters): New pass.
10966         (apply_inline): Move here from tree-optimize.c
10967         (pass_apply_inline): New pass.
10968         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
10969         transforming.
10970         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
10971         doing them by hand.
10972         (tree_function_versioning): Do not allocate dummy struct function.
10973         * tree-inline.h (optimize_inline_calls): Update prototype.
10974         * tree-optimize.c (execute_fixup_cfg): Export.
10975         (pass_fixup_cfg): Remove
10976         (tree_rest_of_compilation): Do not apply inlines.
10977         * tree-flow.h (execute_fixup_cfg): Declare.
10978         * Makefile.in (gt-passes.c): New.
10979         * passes.c: Include gt-passes.h
10980         (init_optimization_passes): New passes.
10981         (nnodes, order): New static vars.
10982         (do_per_function_toporder): New function.
10983         (execute_one_pass): Dump current pass here.
10984         (execute_ipa_pass_list): Don't dump current pass here.
10985
10986 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
10987
10988         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
10989         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
10990
10991 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
10992
10993         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
10994         (strong_alias): Define.
10995         (__gcc_qmul): Provide non-FMA for soft-float.
10996         (__gcc_qdiv): Same.
10997         (__gcc_qneg): New.
10998         (__gcc_qeq): New.
10999         (__gcc_qle): New.
11000         (__gcc_qge): New.
11001         (__gcc_qunord): New.
11002         (__gcc_stoq): New.
11003         (__gcc_dtoq): New.
11004         (__gcc_qtos): New.
11005         (__gcc_qtod): New.
11006         (__gcc_qtoi): New.
11007         (__gcc_qtou): New.
11008         (__gcc_itoq): New.
11009         (__gcc_utoq): New.
11010         (fmsub): New.
11011         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
11012         soft-float functions.
11013         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
11014         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
11015         about long double soft float.
11016
11017 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
11018             Tehila Meyzels  <tehila@il.ibm.com>
11019
11020         * tree-vectorizer.h (is_pattern_stmt_p): New.
11021         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
11022         formatting (tabs instead of spaces). Cleanup and clarify setting
11023         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
11024         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
11025         (vectorizable_type_demotion): Check that types are integral.
11026         (vectorizable_type_promotion): Likewise.
11027         (vectorizable_store): Fix typo.  Eliminate new-line at end of
11028         comments.
11029
11030 2007-01-16  Jan Hubicka  <jh@suse.cz>
11031
11032         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
11033         cgraph edges too.
11034
11035 2007-01-15  Eric Christopher  <echristo@apple.com>
11036
11037         * ifcvt.c: Include vec.h, vecprim.h.
11038         (check_cond_move_block): New argument regs.
11039         Reorganize. Add registers used to regs.
11040         (cond_move_process_if_block): Use regs set above as
11041         loop bounds.
11042
11043 2007-01-15  Eric Christopher  <echristo@apple.com>
11044
11045         * config/darwin.h: Update copyright.
11046         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
11047         (LINK_COMMAND_SPEC): Add -u.
11048         (LINK_SPEC): Fix umbrella for above.
11049
11050 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
11051
11052         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
11053         glibc CVS.
11054
11055 2007-01-15  Tom Tromey  <tromey@redhat.com>
11056
11057         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
11058         * doc/install.texi (Testing): Don't mention jacks.
11059         (Configuration): Document --enable-java-maintainer-mode.  Move
11060         --with-java-home to libgcj-specific section.  Document
11061         --with-ecj-jar.
11062         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
11063
11064 2007-01-15  Jan Hubicka  <jh@suse.cz>
11065
11066         * tree-ssa-dce.c (DCE_TODOs): New.
11067         (propagate_necessity): Return if something changed.
11068         (eliminate_unnecessary_stmts): Likewise.
11069         (perform_tree_ssa_dce): Return TODO flags when needed.
11070         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
11071
11072 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
11073
11074         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
11075         (fyl2x_extend<mode>xf3_i387): New insn pattern.
11076         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
11077         patterns using X87MODEF12 mode macro.  Extend operand 1
11078         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
11079         (log10<mode>2): Ditto.
11080         (log2<mode>2): Ditto.
11081         (log1p<mode>2): Ditto.
11082         (logb<mode>2): Ditto.
11083         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
11084         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
11085         (*fxtractxf3_i387): Rename from *fxtractxf3.
11086         (fxtract_extend<mode>xf3_i387): New insn pattern.
11087         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
11088         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
11089         and gen_fyl2xxf3_i387().
11090
11091 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
11092
11093         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
11094         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
11095         get_loop_exit_edges.  Changed return type to bool.
11096         * cfgloop.h (fix_loop_placement): Declaration removed.
11097
11098 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
11099
11100         * param.h (MIN_VECT_LOOP_BOUND): New.
11101         * params.def (MIN_VECT_LOOP_BOUND): New.
11102         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
11103         argument - minimum threshold for number of iterations.
11104         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
11105         argument to declaration.
11106         * tree-vect-analyze.c (vect_analyze_operations): Check value of
11107         MIN_VECT_LOOP_BOUND.
11108         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
11109         slpeel_tree_peel_loop_to_edge with additional argument.
11110         (vect_do_peeling_for_alignment): Likewise.
11111         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
11112
11113 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
11114
11115         PR target/30413
11116         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
11117         operands of size 1.
11118
11119 2007-01-14  Jan Hubicka  <jh@suse.cz>
11120
11121         * tree-dfa.c (remove_referenced_var): New function.
11122         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
11123         prune referenced vars list too.
11124         * tree-flow.h (remove_referenced_var): Declare.
11125
11126 2007-01-14  Jan Hubicka  <jh@suse.cz>
11127
11128         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
11129         separately.
11130         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
11131         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
11132         * except.h (verify_eh_throw_table_statements): Kill prototype.
11133         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
11134         into call exrepssions.
11135         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
11136         eh trhow verifier.
11137         * tree-cfg.c: Include pointer-set.h.
11138         (verify_node_sharing): Work on pointer set.
11139         (verify_eh_throw_stmt_node): New.
11140         (verify_stmts): Use pointers sets, verify throw_stmt.
11141
11142 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
11143
11144         * ipa-reference.c (analyze_function): Consider also addresses taken
11145         in phi nodes.
11146
11147 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11148
11149         * c-typeck.c (null_pointer_constant_p): Replace use of
11150         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11151         (build_c_cast): Likewise.
11152
11153 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11154
11155         * tree.h (force_fit_type_double): Remove unused final argument.
11156         * c-common.c (constant_expression_warning): Replace use of
11157         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11158         (convert_and_check): Likewise.
11159         (shorten_compare): Update call to force_fit_type_double.
11160         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
11161         * convert.c (convert_to_pointer): Update call to
11162         force_fit_type_double.
11163         * fold-const.c (force_fit_type_double): Remove overflowed_const
11164         argument.
11165         (int_const_binop, fold_convert_const_int_from_int,
11166         fold_convert_const_int_from_real, fold_div_compare,
11167         fold_sign_changed_comparison, fold_unary, fold_negate_const,
11168         fold_abs_const, fold_not_const): Remove the final argument from
11169         calls to force_fit_type_double.
11170
11171 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11172
11173         * configure.ac: Set insn to "nop" for spu-*-* also.
11174         * configure: Regenerate.
11175
11176 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
11177
11178         * builtins.def : Add BUILT_IN_FREE.
11179
11180 2007-01-12  Jan Hubicka  <jh@suse.cz>
11181
11182         PR tree-optimization/30443
11183         * tree-inline.c (tree_function_versioning): Do not optimize when
11184         cloning for inlining.
11185
11186 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
11187
11188         * doc/loop.texi: Document recording of loop exits.
11189         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
11190         (update_single_exits_after_duplication,
11191         update_single_exit_for_duplicated_loop,
11192         update_single_exit_for_duplicated_loops): Removed.
11193         (duplicate_loop_to_header_edge): Do not call
11194         update_single_exits_after_duplication and
11195         update_single_exit_for_duplicated_loops.
11196         (loop_version): Do not update single_exit information.
11197         (fix_loop_structure): Use record_loop_exits instead of
11198         mark_single_exit_loops.
11199         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
11200         the lists of loop exits.
11201         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
11202         split_edge, merge_blocks): Update the lists of loop exits.
11203         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
11204         loop_optimizer_init.
11205         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
11206         of mark_single_exit_loops.
11207         (loop_optimizer_finalize): Call release_recorded_exits.
11208         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
11209         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
11210         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
11211         update single exit information.
11212         * lambda-code.c (perfect_nestify): Ditto.
11213         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
11214         (mark_single_exit_loops): Removed.
11215         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
11216         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
11217         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
11218         functions.
11219         (get_loop_exit_edges, single_exit): Use recorded exit lists.
11220         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
11221         (verify_loop_structure): Verify consistency of the exit lists.
11222         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
11223         (set_single_exit): Removed.
11224         * cfgloop.h (struct loop_exit): New function.
11225         (struct loop): single_exit_ field replaced by exits field.
11226         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
11227         (struct loops): Added exits hash.
11228         (mark_single_exit_loops, set_single_exit): Declaration removed.
11229         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
11230
11231 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11232
11233         * doc/invoke.texi: Avoid use of @headitem.
11234
11235 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11236
11237         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
11238
11239 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11240
11241         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
11242         list of targets.
11243
11244 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11245             Richard Sandiford  <richard@codesourcery.com>
11246
11247         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
11248         * config/m68k/m68k.opt: Resort options.
11249         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
11250
11251 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11252             Richard Sandiford  <richard@codesourcery.com>
11253
11254         * doc/invoke.texi: Document the macros that are defined by
11255         m68k's -mtune and -mhard-float options.
11256         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
11257         (m68k_cpp_cpu_family): Likewise.
11258         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
11259         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
11260         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
11261         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
11262         (m68k_cpp_cpu_family): Likewise.
11263
11264 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11265
11266         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
11267         macros besides mc68000 as tuning macros.  Use a switch statement
11268         to set them and mcpu32.
11269
11270 2007-01-12  Julian Brown  <julian@codesourcery.com>
11271
11272         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
11273         (TARGET_68040_ONLY): Rename to...
11274         (TARGET_68040): ...this.
11275         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
11276         * config/m68k/m68k.md: Likewise.
11277
11278 2007-01-12  Julian Brown  <julian@codesourcery.com>
11279             Nathan Sidwell  <nathan@codesourcery.com>
11280             Richard Sandiford  <richard@codesourcery.com>
11281
11282         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
11283         the -mcpu= argument associated with the --with-cpu setting.
11284         Define M68K_DEFAULT_TUNE to the default -mtune= option,
11285         if different from the one implied by the -mcpu setting.
11286         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
11287         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
11288         * doc/invoke.texi: Mention ColdFire in the introduction to the
11289         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
11290         -mno-div and -mhard-float options.  Make -m68881 a synonym for
11291         -mhard-float.  Document the previously-undocumented -m5206e,
11292         -m528x, -m5307 and -m5407 options.  Tweak the existing option
11293         documentation for consistency.
11294         * doc/install.texi: Mention new --with-cpu arguments.
11295         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
11296         default CPU if neither -mcpu nor -march are specified.
11297         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
11298         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
11299         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
11300         using m68k_tune to decide between families that implement the
11301         same ISA.  Use m68k_tune to set __mcfv4e__.
11302         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
11303         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11304         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11305         (FL_ISA_C, FL_ISA_MMU): New macros.
11306         (MASK_COLDFIRE): Delete.
11307         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11308         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11309         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11310         (TARGET_HARD_FLOAT): Do not define here.
11311         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11312         (TUNE_68000): New macro.
11313         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11314         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11315         (TUNE_CFV2): Redefine in terms of m68k_tune.
11316         (uarch_type, target_device, fpu_type): New enums.
11317         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11318         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11319         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11320         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11321         (FL_FOR_isa_c): New macros.
11322         (m68k_isa): New enum.
11323         (m68k_target_selection): New structure.
11324         (all_devices, all_isas, all_microarchs): New tables.
11325         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11326         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11327         (MASK_ALL_CPU_BITS): Delete.
11328         (m68k_find_selection): New function.
11329         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11330         Map the legacy target options to a combination of the new ones.
11331         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11332         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
11333         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11334         settings.
11335         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11336         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11337         properties.
11338         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11339         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11340         * config/m68k/m68k-devices.def: New file.
11341
11342 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11343             Nathan Sidwell  <nathan@codesourcery.com>
11344
11345         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
11346         (SUBTARGET_EXTRA_SPECS): New macros.
11347         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
11348         use %(asm_cpu_spec) instead.
11349         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
11350         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
11351         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
11352         (EXTRA_SPECS): Rename to...
11353         (SUBTARGET_EXTRA_SPECS): ...this.
11354
11355 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11356             Richard Sandiford  <richard@codesourcery.com>
11357             Julian Brown  <julian@codesourcery.com>
11358
11359         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11360         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
11361         to the configuration's default CPU.
11362         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
11363         Remove default masks.
11364         (m680[012]0-*-*): Set the default with_cpu to the first part of
11365         the target name.
11366         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
11367         (m68k*-*-linux): Extend the --with-cpu handling to...
11368         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
11369         and m68010.  Don't set target_cpu_default2.
11370         * doc/install.texi: Document --with-cpu for m68k.
11371         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
11372         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
11373         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
11374         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
11375         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
11376         (ASM_SPEC): Remove use of %(asm_cpu_default).
11377         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
11378         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
11379         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
11380         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11381         __HAVE_FPU__ if TARGET_HARD_FLOAT.
11382         (TARGET_DEFAULT): Delete.
11383         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11384         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11385         (CPP_CPU_SPEC): Delete.
11386         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11387         the appropriate string.
11388         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11389         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11390         (ASM_SPEC): Don't use %(asm_default_spec).
11391         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11392         TARGET_DEFAULT and add MASK_68881.
11393         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
11394
11395 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11396
11397         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
11398         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
11399         MASK_68010 alongside MASK_68020.
11400         * doc/invoke.texi: Document -m68010.
11401         * config/m68k/m68k.opt (m68010): New.
11402         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
11403         if TUNE_68010.
11404         (TUNE_68010): New macro.
11405         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
11406         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
11407         (M68K_CPU_m68332): Add MASK_68010.
11408         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
11409         fallback definition.
11410         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
11411         defines.
11412         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
11413         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
11414         to all entries that use MASK_68020.
11415         (output_move_simode_const, output_move_himode, output_move_qimode)
11416         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
11417         instead of TARGET_68020 to select clr behavior.  Remove comment
11418         about there being no TARGET_68010.
11419         * config/m68k/m68k.md: Likewise throughout.
11420
11421 2007-01-12  Julian Brown  <julian@codesourcery.com>
11422
11423         * config/m68k/m68k.h (TARGET_ISAB): New macro.
11424         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
11425         * config/m68k/m68k.md: Likewise.
11426
11427 2007-01-12  Julian Brown  <julian@codesourcery.com>
11428
11429         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
11430         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
11431
11432 2007-01-12  Julian Brown  <julian@codesourcery.com>
11433
11434         * config/m68k/m68k.h (TUNE_68040_60): New macro.
11435         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
11436         * config/m68k/m68k.md: Likewise.
11437
11438 2007-01-12  Julian Brown  <julian@codesourcery.com>
11439             Richard Sandiford  <richard@codesourcery.com>
11440
11441         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
11442         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
11443         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
11444         TARGET_CPU32.
11445         (TARGET_CPU32): Rename to...
11446         (TUNE_CPU32): ...this.
11447         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
11448         (TUNE_CFV2): New macros.
11449         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
11450         remove conditions that are implied by TARGET_68020.
11451         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
11452         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
11453         (m68k_output_function_epilogue): Likewise.
11454         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
11455         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
11456         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
11457         non-68000 timings.  Refactor multiplication and division costs.
11458         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
11459         TUNE_CPU32 instead of TARGET_CPU32.
11460         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
11461         and TUNE_68060 instead of TARGET_68060.
11462         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
11463         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
11464         TARGET_CPU32.
11465         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
11466         && !TARGET_COLDFIRE" to choose between moveq and clr.
11467         Likewise in the unnamed movsf pattern.
11468         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
11469         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
11470         ashiftrt pattern.
11471
11472 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11473
11474         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
11475         of tabbing before backslashes.
11476
11477 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11478
11479         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
11480         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
11481         (ASM_OUTPUT_INTERNAL_LABEL): Define.
11482
11483 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11484
11485         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
11486         find_interesting_uses_cond.
11487         (find_interesting_uses_cond): Use extract_cond_operands.
11488         (rewrite_use_compare): Use extract_cond_operands and
11489         force_gimple_operand_bsi.  Do not call update_stmt.
11490         (determine_use_iv_cost_condition): Use extract_cond_operands.
11491         Return cheaper of using original bound and changing the exit bound.
11492
11493 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11494
11495         PR tree-optimization/29516
11496         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
11497         most_expensive_mult_to_index, addr_to_parts,
11498         create_mem_ref, maybe_fold_tmr): Make the type of
11499         fields of TARGET_MEM_REF sizetype.
11500         (move_fixed_address_to_symbol, move_pointer_to_base):
11501         New functions.
11502         * tree.def (TARGET_MEM_REF): Add comment on types of
11503         the operands.
11504
11505 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
11506
11507         * c-common.c (vector_types_convertible_p): Treat opaque types as
11508         always convertible if they have the same size, but not otherwise.
11509
11510 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
11511
11512         * ifcvt.c (struct noce_if_info): Add comments to the fields.
11513         Remove the b_unconditional field.
11514         (noce_try_sign_mask): Do not look at b_unconditional.
11515         (noce_process_if_block): Do not use merge_if_blocks.  Update
11516         the CFG here.  Do not set b_unconditional.
11517         (cond_move_process_if_block): Likewise.
11518         (find_cond_trap): Likewise.
11519         (check_cond_move_block): Require simple jump insns at the end
11520         of the basic block.
11521
11522 2007-01-11  Jan Hubicka  <jh@suse.cz>
11523
11524         PR tree-optimization/1046
11525         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
11526         when alias info is not ready.
11527         (pass_tail_recursion): Do not require aliasing.
11528         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
11529         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
11530         * tree-ssa-copy.c (pass_copy_prop): Likewise.
11531         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11532         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
11533         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
11534         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
11535         before inlining.
11536         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
11537         When aliasing is not build, mark statement as volatile.
11538
11539 2007-01-11  Tom Tromey  <tromey@redhat.com>
11540
11541         PR preprocessor/15185, PR preprocessor/20989:
11542         * doc/cppopts.texi <-MT>: Update description of algorithm for
11543         computing default target.
11544         <-M, -MD>: Reword "basename" text.
11545
11546 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11547
11548         * builtins.c (expand_builtin_pow, expand_builtin_powi,
11549         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11550         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11551         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11552         fold_builtin_bswap, real_constp, fold_builtin_pow,
11553         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11554         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11555         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11556         * convert.c (convert_to_pointer): Likewise.
11557         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11558         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11559         const_binop, fold_convert_const_int_from_int,
11560         fold_convert_const_int_from_real,
11561         fold_convert_const_real_from_real, sign_bit_p,
11562         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11563         fold_sign_changed_comparison, fold_unary, fold_comparison,
11564         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11565         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11566         * print-tree.c (print_node_brief, print_node): Likewise.
11567         * stor-layout.c (place_field, layout_type): Likewise.
11568         * tree-chrec.c (keep_cast): Likewise.
11569         * tree.c (build_vector, build_real, build_real_from_int_cst,
11570         build_complex): Likewise.
11571
11572 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11573
11574         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
11575         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11576
11577 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
11578
11579         * configure.ac (strict1_warn): Rename to strict_warn.
11580         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11581         cc_set_by_configure, quoted_cc_set_by_configure,
11582         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11583         all_boot_languages, all_stagestuff): Remove.
11584         (target_list): Remove bootstrap targets.
11585         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11586         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11587         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11588         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11589         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11590         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11591         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11592         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11593         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11594         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11595         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11596         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11597         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11598         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11599         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11600         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11601         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11602         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11603         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11604         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11605         (mostlyclean): Adjust.
11606         (clean, distclean): Don't mention bootstrap stuff.
11607         * configure: Regenerate.
11608         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11609         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11610         treelang/config-lang.in (stagestuff): Remove.
11611         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11612         stageprofile, stagefeedback, stagestuff): Remove mention.
11613
11614 2007-01-11  Nick Clifton  <nickc@redhat.com>
11615
11616         * config/mcore/predicates.md (mcore_general_movesrc_operand):
11617         Accept CONSTs.
11618         (mcore_general_movdst_operand): Do not accept CONST_INTs.
11619         (mcore_arith_K_S_operand): Run the test for the S constraint not
11620         the test for the M constraint.
11621         (mcore_addsub_operand): Do not accept integer values that are
11622         larger than 32 bits.
11623         * config/mcore/mcore.md: Remove unused constraints from split.
11624         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11625         (addsi3): Likewise.
11626         (allocate_stack): Likewise.
11627         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
11628         operands to 32 bits.
11629         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
11630         INTVAL.
11631         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
11632         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
11633         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
11634         mcore_output_bclri, mcore_output_andn, output_inline_const,
11635         mcore_output_move, mcore_output_movedouble): Likewise.
11636         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
11637         (output_inline_const): Likewise.
11638         (output_inline_const): Fix format strings used in sprintf
11639         statements.
11640         * config/mcore/mcore-protos.h: Update prototypes for changed
11641         functions in mcore.c.
11642         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
11643         HOST_WIDE_INT and not int.
11644         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
11645         CONST_OK_FOR_N): Likewise.
11646         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
11647         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
11648         an INTVAL.
11649
11650 2007-01-10  Jan Hubicka  <jh@suse.cz>
11651
11652         * tree-vrp.c (remove_range_assertions): Release defs.
11653         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
11654         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
11655
11656 2007-01-10  Paul Brook  <paul@codesourcery.com>
11657
11658         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
11659         * config/arm/arm.md (mulsi3subsi): New insn.
11660
11661 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
11662
11663         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
11664         (tree_transform_and_unroll_loop): New.
11665         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
11666         Declare.
11667
11668 2007-01-10  Robert Kennedy <jimbob@google.com>
11669
11670         * fold-const.c (fold_comparison): Fold comparisons like (x *
11671         1000 < 0) to (x < 0).
11672
11673 2007-01-10  Ian Lance Taylor  <iant@google.com>
11674
11675         * tree-pretty-print.c (dump_generic_node): Print parentheses when
11676         operands have the same priority.
11677
11678 2007-01-10  Tom Tromey  <tromey@redhat.com>
11679
11680         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
11681         (fold_binary): Likewise.
11682         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
11683         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
11684         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
11685         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
11686         * langhooks.h (struct lang_hooks): Removed field
11687         'can_use_bit_fields_p'.
11688
11689 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
11690
11691         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
11692
11693 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
11694
11695         * function.c (get_last_funcdef_no): New function.
11696         * function.h (get_last_funcdef_no): Declare.
11697         * tree-inline.c (initialize_cfun): Add initialization.
11698         (tree_function_versioning): Cleanup.
11699
11700 2007-01-10  Jan Hubicka  <jh@suse.cz>
11701
11702         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
11703         PHIs.
11704
11705 2007-01-10  Sa Liu  <saliu@de.ibm.com>
11706             Ben Elliston  <bje@au.ibm.com>
11707
11708         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
11709         for SAVE_NONLOCAL and Pmode for any other save level.
11710         * spu-protos.h (spu_restore_stack_block): Declare.
11711         * spu.md (save_stack_block): Remove.
11712         (restore_stack_block): Call spu_restore_stack_block.
11713         * spu.c (spu_restore_stack_block): New function.
11714         (spu_expand_epilogue): Remove old comment.
11715
11716 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
11717
11718         PR tree-optimization/30322
11719         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
11720         (cand_value_at): Return the value as aff_tree.
11721         (may_eliminate_iv): Convert the bound from aff_tree to tree.
11722         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
11723         aff_combination_mult): New functions.
11724         (aff_combination_add): Use aff_combination_add_cst.
11725         (aff_combination_convert): Allow conversions to a wider type.
11726         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
11727         * tree-affine.h (aff_combination_mult): Declare.
11728
11729 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
11730
11731         * doc/tm.texi: Update documentation to reflect reality of exec
11732         and start file search behaviours. Update copyright year.
11733         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
11734         header file directories.
11735
11736 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
11737
11738         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
11739         (*cosxf2): Rename to cosxf2_i387.
11740         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
11741         using X87MODEF12 mode macro. Rename patterns to
11742         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
11743         for SSE math.
11744         (*cosdf2, *cossf2): Ditto.
11745         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
11746         to match extended input operands.
11747         (sincos<mode>3): New expander.
11748         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
11749         insn patterns and corresponding splitters.
11750
11751 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
11752
11753         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
11754         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
11755
11756 2007-01-09  Nicolas Pitre  <nico@cam.org>
11757
11758         PR target/30173
11759         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
11760
11761 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11762
11763         * target.h (struct gcc_target): New field library_rtti_comdat.
11764         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
11765         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
11766         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
11767         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
11768
11769 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11770
11771         * doc/invoke.texi (Optimize Options): Correct description of -O0.
11772
11773 2007-01-08  Richard Guenther  <rguenther@suse.de>
11774
11775         * tree.h (force_fit_type_double): Export.
11776         (force_fit_type): Remove.
11777         * fold-const.c (force_fit_type_double): New function.
11778         (force_fit_type): Remove.
11779         (int_const_binop): Use it.
11780         (fold_convert_const_int_from_int): Likewise.
11781         (fold_convert_const_int_from_real): Likewise.
11782         (fold_div_compare): Likewise.
11783         (fold_sign_changed_comparison): Likewise.
11784         (fold_unary): Likewise.
11785         (fold_negate_const): Likewise.
11786         (fold_abs_const): Likewise.
11787         (fold_not_const): Likewise.
11788         * c-common.c (shorten_compare): Use force_fit_type_double.
11789         * convert.c (convert_to_pointer): Likewise.
11790
11791 2007-01-08  Richard Guenther  <rguenther@suse.de>
11792
11793         * tree.h (build_int_cst_wide_type): Export.
11794         * tree.c (build_int_cst_wide_type): New function.
11795         (build_int_cst_wide): Fix comment.
11796         * builtins.c (fold_builtin_object_size): Use build_int_cst
11797         to build -1 or 0 of the correct type.  Use fit_double_type
11798         to check for overflow.
11799         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
11800         to build the mask.
11801         (decode_field_reference): Likewise.
11802         (all_ones_mask_p): Likewise.
11803         (native_interpret_int): Use build_int_cst_wide_type.
11804         (fold_binary): Use build_int_cst_type to build an all-ones
11805         value.
11806         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
11807
11808 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
11809
11810         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
11811
11812 2007-01-09  Ben Elliston  <bje@au.ibm.com>
11813
11814         * genautomata.c (STATS_OPTION): New option.
11815         (stats_flag): New flag.
11816         (gen_automata_option): Handle it.
11817         (initiate_automaton_gen): Ditto.
11818         (write_automata): Output statistics only if stats_flag is
11819         set. Likewise, output time statistics only if time_flag is set.
11820         * doc/md.texi (Processor pipeline description): Document new flag.
11821
11822 2007-01-08  Richard Guenther  <rguenther@suse.de>
11823
11824         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
11825         * tree.c (build_int_cst_type): Likewise.
11826         (size_in_bytes): Don't call force_fit_type on the result.
11827         (int_fits_type_p): Use fit_double_type.
11828         * fold-const.c (fit_double_type): New function.
11829         (force_fit_type): Use it.
11830         * tree.h (fit_double_type): Export.
11831
11832 2007-01-08  Jan Hubicka  <jh@suse.cz>
11833
11834         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
11835         * ipa.c (function_and_variable_visibility): Fix return type.
11836
11837 2007-01-08  Richard Guenther  <rguenther@suse.de>
11838
11839         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
11840         of offset to build the index.
11841         * tree-pretty-print.c (dump_generic_node): Don't build negated
11842         const just for printing.
11843         * c-pretty-print.c (pp_c_integer_constant): Likewise.
11844         * builtins.c (fold_builtin_int_roundingfn): Check if result
11845         fits the type by using force_fit_type and comparing the result.
11846         * predict.c (predict_loops): Use compare_tree_int for comparison.
11847         * tree.c (build_int_cst): Fall back to integer_type_node for
11848         NULL_TREE type.
11849         (build_int_cst_wide): Assert type is non-null.
11850
11851 2007-01-08  Roberto Costa  <roberto.costa@st.com>
11852
11853         * tree-vrp.c (extract_range_from_cond_expr): New.
11854         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
11855         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
11856         as expressions.
11857         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
11858         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
11859         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
11860         used as expressions.
11861         * tree-object-size.c (cond_expr_object_size): New.
11862         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
11863
11864 2007-01-08  Jan Hubicka  <jh@suse.cz>
11865
11866         * tree-ssa-forwprop.c (forward_propagate_into_cond,
11867         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
11868         statement.
11869
11870 2007-01-08  Richard Guenther  <rguenther@suse.de>
11871
11872         PR tree-optimization/23603
11873         * tree-vrp.c (set_value_range_to_truthvalue): New function.
11874         (extract_range_from_binary): Fall back to truthvalue instead of
11875         varying for TRUTH_*_EXPR.
11876         (extract_range_from_comparison): Fall back to truthvalue instead of
11877         varying.
11878         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
11879         if all visited PHI values were constant.
11880
11881 2007-01-08  Jan Hubicka  <jh@suse.cz>
11882
11883         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
11884         (cgraph_analyze_function): break out from ...
11885         (cgraph_finalize_compilation_unit): ... here.
11886         (cgraph_expand_function): Remove forgoten commented out line.
11887         (cgraph_optimize): Analyze functions.
11888
11889 2007-01-08  Jan Hubicka  <jh@suse.cz>
11890
11891         * tree-pas.h (TODO_remove_function): New flag.
11892         (TODO_update*): Renumber.
11893         (pass_ipa_increase_alignment,
11894         pass_ipa_function_and_variable_visibility): New passes.
11895         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
11896         (cgraph_function_and_variable_visibility): Move to ipa.c
11897         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
11898         cgraph_increase_alignment.
11899         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
11900         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
11901         calling tree-inline.
11902         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
11903         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
11904         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
11905         (gate_increase_alignment): New function.
11906         (pass_ipa_increase_alignment): New pass.
11907         * ipa.c: Inline tree-pass.h and timevar.h
11908         (function_and_variable_visibility): Move here from cgraphunit.c
11909         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
11910         * passes.c (init_optimization_passes): Add the two new passes.
11911         (execute_todo): Handle cgraph_remove_functions.
11912
11913 2007-01-08  Nick Clifton  <nickc@redhat.com>
11914
11915         * config/frv/predicates.md (reg_or_0_operand): Accept
11916         CONST_DOUBLEs.
11917
11918 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
11919
11920         * config/bfin/rtems.h, config/bfin/t-rtems: New.
11921         * config.gcc: Add bfin*-rtems*.
11922
11923 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11924
11925         * c.opt: Add -flax-vector-conversions.
11926         * c-typeck.c (convert_for_assignment): Pass flag to
11927         vector_types_convertible_p to allow emission of note.
11928         (digest_init): Likewise.
11929         * c-opts.c: Handle -flax-vector-conversions.
11930         * c-common.c (flag_lax_vector_conversions): New.
11931         (vector_types_convertible_p): Unless -flax-vector conversions
11932         has been passed, disallow conversions between vectors with
11933         differing numbers of subparts and/or element types.  If such
11934         a conversion is disallowed, possibly emit a note on the first
11935         occasion only to inform the user of -flax-vector-conversions.
11936         The new last argument specifies this.
11937         * c-common.h (flag_lax_vector_conversions): New.
11938         (vector_types_convertible_p): Add extra argument.
11939         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
11940         char_type_node for V*QI type vectors.
11941         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
11942         Update to satisfy new typechecking rules.
11943         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
11944         C and C++ variants.
11945         * doc/invoke.texi (C Dialect Options): Document
11946         -flax-vector-conversions.
11947
11948 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11949
11950         PR tree-optimization/29877
11951         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
11952         a register variable on the RHS to not be replaceable.
11953
11954 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
11955         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
11956         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
11957         const_simm15, const_pow2, const_npow2): Added.
11958         * config/score/misc.md (insv, extv, extzv, movmemsi,
11959         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
11960         * config/score/score.c (score_address_cost, score_select_cc_mode):
11961         Added.
11962         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
11963         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
11964         Update score_print_operand.
11965         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
11966         Adjust register allocate order and update some macro define.
11967         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
11968         mdx_block_move_straight, mdx_block_move_loop_head,
11969         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
11970         mdx_block_move): Added.
11971         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
11972         mdp_limm): Updated and fix some bug and typo.
11973         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
11974         (movsf, movdf, doloop_end): Added.
11975
11976 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
11977
11978         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
11979         config/arm/thumb2.md: Fix comment typos.
11980         * doc/extend.texi: Fix a typo.
11981
11982 2007-01-07  Eric Christopher  <echristo@apple.com>
11983
11984         * configure.ac: Check for __stack_chk_fail for darwin.
11985         * configure: Regenerate.
11986
11987 2007-01-07  Richard Guenther  <rguenther@suse.de>
11988
11989         * tree-vrp.c (extract_range_from_assert): CSE calls to
11990         compare_values where possible.
11991         (extract_range_from_unary_expr): Likewise.
11992
11993 2007-01-07  Anatoly Sokolov <aesok@post.ru>
11994
11995         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
11996         * config/avr/avr.c (call_insn_operand): Delete function.
11997         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
11998         instead of register number. Use predicates.
11999         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
12000         call_insn_operand): Add.
12001
12002 2007-01-06  Jan Hubicka  <jh@suse.cz>
12003
12004         * tree-pass.h (pass_build_cgraph_edges): Declare.
12005         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
12006         (visited_nodes): Remove.
12007         (cgraph_create_edges): Move to cgraphbuild.c; rename to
12008         build_cgrpah_edges; make visited_nodes local.
12009         (cgraph_process_new_functions): DO not call initialize_inline_failed.
12010         (record_references_in_initializer): Move to cgraphbuild.c
12011         (initialize_inline_failed, rebuild_cgraph_edges,
12012         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
12013         (verify_cgraph_node): Make visited_nodes local.
12014         (cgraph_analyze_function): Do not call cgraph_create_edges and
12015         initialize_inline_failed.
12016         (cgraph_expand_function): Do not call cgraph_lower_function;
12017         assert that function is already lowered.
12018         * Makefile.in (cgraphbuild.o): New.
12019         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
12020         at the end of lowering passes.
12021
12022 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
12023
12024         * ifcvt.c (cond_move_convert_if_block): New function, code
12025         factored out from...
12026         (cond_move_process_if_block): ...here.  Call the new function
12027         on the THEN and ELSE blocks.
12028         (merge_if_block): Do not copy global_live_at_end, merge_blocks
12029         already takes care of this.
12030
12031 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12032
12033         PR c/19978
12034         * tree.h (TREE_OVERFLOW_P): New.
12035         * c-typeck.c (parser_build_unary_op): Warn only if result
12036         overflowed and operands did not.
12037         (parser_build_binary_op): Likewise.
12038         (convert_for_assignment): Remove redundant overflow_warning.
12039         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
12040
12041 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12042
12043         * c-typeck.c (store_init_value): Split over two lines to follow
12044         the GNU coding style.
12045
12046 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
12047
12048         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
12049         __GXX_EXPERIMENTAL_CXX0X__.
12050         * doc/cpp.texi: Same.
12051
12052 2007-01-05  Richard Guenther  <rguenther@suse.de>
12053
12054         PR middle-end/27826
12055         * tree.c (get_narrower): Do not construct COMPONENT_REFs
12056         with mismatched types.  Instead explicitly build a
12057         conversion NOP_EXPR.
12058
12059 2007-01-05  Ian Lance Taylor  <iant@google.com>
12060
12061         * c-common.c (decl_with_nonnull_addr_p): New function.
12062         (c_common_truthvalue_conversion): Call it.
12063         * c-typeck.c (build_binary_op): Likewise.
12064         * c-common.h (decl_with_nonnull_addr_p): Declare.
12065
12066 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
12067
12068         PR c/30360
12069         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
12070         denom against 0.0.
12071
12072 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
12073
12074         * doc/install.texi (Final install): Document the fact that
12075         the GNAT runtime should not be stripped.
12076
12077 2007-01-04  Jan Hubicka  <jh@suse.cz>
12078
12079         * tree-inline.c (fold_marked_statements): Update operand caches
12080         and EH after folding
12081
12082 2007-01-04  Ian Lance Taylor  <iant@google.com>
12083
12084         * c-common.c (check_function_nonnull): Whitespace fix.
12085
12086 2007-01-04  Jan Hubicka  <jh@suse.cz>
12087
12088         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
12089         comitted older version of patch.
12090         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
12091         function, celanup cfg and collect garbage.
12092
12093 2007-01-04  Mike Stump  <mrs@apple.com>
12094
12095         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
12096         (clean): Likewise.
12097
12098 2007-01-04  Eric Christopher  <echristo@apple.com>
12099
12100         * libgcc2.c (__bswapsi2): Use SItype.
12101         (__bswapdi2): Use DItype.
12102         * libgcc2.h: Update for above.
12103
12104 2007-01-04  Paul Brook  <paul@codesourcery.com>
12105
12106         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
12107         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
12108         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
12109         umulsidi3, umulsidi3adddi, smulsi3_highpart,
12110         umulsi3_highpart): Make conditional on !arm_arch6.
12111         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
12112         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
12113         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
12114         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
12115         umulsi3_highpart_v6): New insns.
12116
12117 2007-01-04  Roger Sayle  <roger@eyesopen.com>
12118
12119         * fold-const.c (fold_convert): When casting an expression to void,
12120         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
12121         have a type.  Instead of attempting to build a NOP_EXPR, return
12122         these "special" trees directly.
12123
12124 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
12125
12126         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
12127         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
12128         rs6000_cost->fp not 0 as adjustment for outer NEG.
12129
12130 2007-01-04  Jan Hubicka  <jh@suse.cz>
12131
12132         * cgraph.c (cgraph_release_function_body): New function.
12133         (cgraph_remove_node): Use it.
12134         * cgraph.h (cgraph_release_function_body): Declare.
12135         * cgraphunit.c (cgraph_expand_function): Use it.
12136         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
12137         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
12138         is initialized and while compilation of other function is running.
12139         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
12140         statement CFG annotations from here to ...
12141         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
12142
12143 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
12144
12145         * cfgloop.h (enum li_flags): Make the constants powers of two.
12146
12147 2007-01-04  Jan Hubicka  <jh@suse.cz>
12148
12149         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
12150         set.
12151         (fold_marked_statements): New function.
12152         (optimize_inline_calls, tree_function_versioning): Fold new statements.
12153         * tree-inline.h (copy_body_data): Add statements_to_fold.
12154
12155 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
12156
12157         * config.gcc: Mention libgcc/config.host.
12158         * Makefile.in: Update comments mentioning libgcc.
12159         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
12160         (all.cross, start.encap, rest.encap, rest.cross): Update
12161         dependencies for libgcc move.
12162         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
12163         (clean-target, clean-target-libgcc): Delete.
12164         (srcdirify, GCC_EXTRA_PARTS): New macros.
12165         (libgcc-support, libgcc.mvars): New rules.
12166         (distclean): Remove mention of mklibgcc.
12167         (install): Don't reference INSTALL_LIBGCC.
12168         (install-common): Don't reference EXTRA_PARTS.
12169         (install-libgcc, install-multilib): Delete rules.
12170         * mklibgcc.in: Delete file.
12171         * doc/configfiles.texi: Don't mention mklibgcc.
12172
12173         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
12174         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
12175         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
12176         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
12177         (mklibgcc, ldblspecs): Likewise.
12178
12179         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
12180         (posixpre.def): Use $(T).
12181         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
12182         (SHLIB_SRC, SHLIB_INSTALL): Delete.
12183         (SHLIB_LINK): Make dummy.
12184         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
12185
12186         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
12187
12188         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
12189         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
12190         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
12191         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
12192
12193         * configure.ac (all_outputs): Remove mklibgcc.
12194         * configure: Regenerated.
12195
12196 2007-01-03  Josh Conner  <jconner@apple.com>
12197
12198         PR middle-end/29683
12199         * calls.c (compute_argument_addresses): Set stack and stack_slot
12200         for partial args, too.
12201         (store_one_arg): Use locate.size.constant for the size when
12202         generating a save_area.
12203
12204 2007-01-03  Robert Kennedy <jimbob@google.com>
12205
12206         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
12207         whose definitions are deleted due to basic block merging.
12208
12209 2007-01-03  Paul Brook  <paul@codesourcery.com>
12210
12211         PR target/16634
12212         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
12213         functions.
12214         (use_return_insn): Return 0 for Thumb interrupt functions.
12215         (print_multi_reg): Add rfe argument for IRQ returns.
12216         (arm_output_epilogue): Pop interrupt return address directly into PC.
12217         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
12218
12219 2007-01-03  Paul Brook  <paul@codesourcery.com>
12220
12221         Merge from sourcerygxx-4_1.
12222         * config/arm/thumb2.md: New file.
12223         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
12224         Thumb-2.
12225         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
12226         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12227         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
12228         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
12229         tables.
12230         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12231         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
12232         comptibility.
12233         * config/arm/ieee754-sf.S: Ditto.
12234         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
12235         (thumb1_base_register_rtx_p): ... to this.
12236         (thumb_index_register_rtx_p): Rename...
12237         (thumb1_index_register_rtx_p): ... to this.
12238         (thumb_output_function_prologue): Rename...
12239         (thumb1_output_function_prologue): ... to this.
12240         (thumb_legitimate_address_p): Rename...
12241         (thumb1_legitimate_address_p): ... to this.
12242         (thumb_rtx_costs): Rename...
12243         (thumb1_rtx_costs): ... to this.
12244         (thumb_compute_save_reg_mask): Rename...
12245         (thumb1_compute_save_reg_mask): ... to this.
12246         (thumb_final_prescan_insn): Rename...
12247         (thumb1_final_prescan_insn): ... to this.
12248         (thumb_expand_epilogue): Rename...
12249         (thumb1_expand_epilogue): ... to this.
12250         (arm_unwind_emit_stm): Rename...
12251         (arm_unwind_emit_sequence): ... to this.
12252         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
12253         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
12254         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
12255         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
12256         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
12257         thumb2_output_casesi): New functions.
12258         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
12259         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
12260         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
12261         THUMB2_WORK_REGS): Define.
12262         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
12263         arm_condexec_mask, arm_condexec_masklen)): New variables.
12264         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
12265         (arm_override_options): Check new CPU capabilities.
12266         Set new architecture flag variables.
12267         (arm_isr_value): Handle v7m interrupt functions.
12268         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
12269         Thumb-2.
12270         (const_ok_for_arm): Handle Thumb-2 constants.
12271         (arm_gen_constant): Ditto.  Use movw when available.
12272         (arm_function_ok_for_sibcall): Return false for v7m interrupt
12273         functions.
12274         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
12275         (thumb_find_work_register, arm_load_pic_register,
12276         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
12277         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
12278         print_multi_reg, output_mov_long_double_fpa_from_arm,
12279         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
12280         output_mov_double_fpa_from_arm, output_move_double,
12281         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
12282         output_return_instruction, arm_output_function_prologue,
12283         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
12284         arm_output_mi_thunk, thumb_set_return_address): Ditto.
12285         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
12286         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
12287         (arithmetic_instr, shift_op): Use arm_shift_nmem.
12288         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
12289         '!' and 'L'.
12290         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
12291         (thumb_expand_prologue): Use thumb_set_frame_pointer.
12292         (arm_file_start): Output directive for unified syntax.
12293         (arm_unwind_emit_set): Handle stack alignment instruction.
12294         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
12295         Add v6t2, v7, v7a, v7r and v7m.
12296         (RETLDM): Add Thumb-2 code.
12297         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
12298         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
12299         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
12300         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
12301         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
12302         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
12303         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12304         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12305         ADJUST_INSN_LENGTH): Define.
12306         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12307         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12308         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12309         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12310         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12311         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12312         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12313         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12314         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12315         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12316         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12317         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12318         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12319         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12320         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12321         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12322         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12323         cortex-m3.
12324         * config/arm/arm-tune.md: Regenerate.
12325         * config/arm/arm-protos.h: Update prototypes.
12326         * config/arm/vfp.md: Enable patterns for Thumb-2.
12327         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
12328         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12329         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12330         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12331         * config/arm/libunwind.S: Add Thumb-2 code.
12332         * config/arm/constraints.md: Update include Thumb-2.
12333         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12334         * config/arm/ieee754-df.S: Ditto.
12335         * config/arm/bpabi.S: Ditto.
12336         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12337         * config/arm/predicates.md (low_register_operand,
12338         low_reg_or_int_operand, thumb_16bit_operator): New.
12339         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12340         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12341         * config/arm/t-arm-elf: Add armv7 multilib.
12342         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12343         Include thumb2.md.
12344         (UNSPEC_STACK_ALIGN, ce_count): New.
12345         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
12346         arm_zero_extendsidi2, arm_zero_extendqidi2): New
12347         insns/expanders.
12348         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
12349         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
12350         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
12351         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
12352         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
12353         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
12354         insns.
12355         * doc/extend.texi: Document ARMv7-M interrupt functions.
12356         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
12357
12358 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
12359
12360         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
12361         (struct _Unwind_Context): Rename args_size to flags, remove
12362         signal_frame field, add a new args_size field and version field.
12363         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
12364         _Unwind_IsExtendedContext): New inline functions.
12365         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12366         Assume by_value array is only present if _Unwind_IsExtendedContext.
12367         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
12368         _Unwind_IsSignalFrame.
12369         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
12370         (uw_update_context_1): Use _Unwind_SetSignalFrame.
12371         (uw_init_context_1): Initialize context->flags to
12372         EXTENDED_CONTEXT_BIT.
12373         * config/rs6000/linux-unwind.h (frob_update_context): Use
12374         _Unwind_SetSignalFrame.
12375
12376 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12377
12378         PR middle-end/30353
12379         * gimplify.c (gimplify_modify_expr_complex_part): Move below
12380         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
12381         the value.
12382
12383 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
12384
12385         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12386         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12387         RET, AT_SP): Remove.
12388         * config/i386/i386.md (*sse_prologue_save_insn): Use return
12389         instead of RET.
12390
12391         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12392         * cfgbuild.c (find_basic_blocks): Likewise.
12393         * cfgrtl.c (rtl_create_basic_block): Likewise.
12394         * function.c (temp_slots_at_level): Likewise.
12395         * reg-stack.c (stack_regs_mentioned): Likewise.
12396         * regclass.c (allocate_reg_info): Likewise.
12397         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12398         set_bb_for_stmt, move_block_to_fn): Likewise.
12399         * tree-complex.c (tree_lower_complex): Likewise.
12400         * vec.h (VEC_safe_grow_cleared): New.
12401
12402         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
12403
12404 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
12405
12406         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
12407         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
12408         to loop_version.
12409         * cfgloopmanip.c (scale_loop_frequencies): Export.
12410         (loopify): Scale the frequencies by prescribed coefficients.
12411         (set_zero_probability): New function.
12412         (duplicate_loop_to_header_edge): Improve updating of frequencies.
12413         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
12414         and frequencies according to arguments.
12415         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
12416         correctly.
12417         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
12418         * modulo-sched.c (sms_schedule): Set probabilities for entering
12419         versioned loop correctly.
12420         * tree-vect-transform.c (vect_transform_loop): Ditto.
12421         * cfgloop.h (loopify, loop_version): Declaration changed.
12422         (scale_loop_frequencies): Declared.
12423
12424 2007-01-02  Jan Hubicka  <jh@suse.cz>
12425
12426         * cgraph.c: Include tree-flow.h
12427         (cgraph_add_new-function): Handle IPA_SSA mode; execute
12428         early_local_passes.
12429         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
12430         * tree-pass.h (pass_all_early_optimizations): Declare.
12431         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
12432         early_local_passes.
12433         (cgraph_analyze_function): Do early_local_passes.
12434         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12435         Do not add referenced vars.
12436         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
12437         SSA form.
12438         (gate_all_early_local_passes): New gate.
12439         (pass_early_local_passes): Use new gate.
12440         (execute_early_local_optimizations): New functions.
12441         (gate_all_early_optimizations): New gate.
12442         (pass_all_early_optimizations): New pass.
12443         (execute_free_datastructures): Free SSA only when initialized.
12444         (gate_init_datastructures): Init only when optimizing.
12445         (tree_lowering_passes): Do early local passes when called late.
12446         * tree-profile.c (do_tree_profiling): Don't profile functions added
12447         late.
12448         (do_early_tree_profiling, pass_early_tree_profile): Kill.
12449         * tree-cfg.c (update_modified_stmts): Do not update when operands are
12450         not active.
12451         * passes.c (init_optimizations_passes): Reorder so we go into SSA
12452         during early_local_passes.
12453         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
12454
12455
12456 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12457
12458         * Makefile.in: Update copyright year.
12459
12460 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12461
12462         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
12463         in $(lang_checks) and check-consistency targets.
12464
12465 2007-01-02  Jan Hubicka  <jh@suse.cz>
12466
12467         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12468         Do not add referenced vars.
12469         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
12470         are not active.
12471         * passes.c (init_optimization_passes): Put mudflap_2 after
12472         free_datastructures.
12473
12474 2007-01-02  Jan Hubicka  <jh@suse.cz>
12475
12476         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
12477         Set NOTHROW flag on call statements proved to be nothrow.
12478         Update statement of local calls so new pure/const functions are
12479         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
12480         goto receivers.
12481         (tree_rest_of_compilation): Register hooks and initialize bitmap
12482         early. Do not set after_inlining flag.
12483
12484 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
12485
12486         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
12487         HOST_BITS_PER_LONGLONG
12488
12489 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12490
12491         PR c/19977
12492         * c-typeck.c (store_init_value): Don't emit pedantic overflow
12493         warning for non-static initializers.
12494
12495 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
12496
12497         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
12498         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
12499         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
12500         Always use set_unique_reg_note to add REG_EQUAL notes.
12501
12502 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12503
12504         Revert:
12505         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12506
12507         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12508         * cfgbuild.c (find_basic_blocks): Likewise.
12509         * cfgrtl.c (rtl_create_basic_block): Likewise.
12510         * function.c (temp_slots_at_level): Likewise.
12511         * reg-stack.c (stack_regs_mentioned): Likewise.
12512         * regclass.c (allocate_reg_info): Likewise.
12513         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12514         set_bb_for_stmt, move_block_to_fn): Likewise.
12515         * tree-complex.c (tree_lower_complex): Likewise.
12516         * vec.h (VEC_safe_grow_cleared): New.
12517
12518 2007-01-02  Ian Lance Taylor  <iant@google.com>
12519
12520         * c-common.c (c_common_truthvalue_conversion): When warning about
12521         using an assignment as a truth value, set TREE_NO_WARNING.
12522
12523 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12524
12525         PR middle-end/7651
12526         * c.opt (Wold-style-declaration): New.
12527         * doc/invoke.texi (C-only Warning Options): New.
12528         (Wold-style-declaration): Document it.
12529         (Wextra): Enabled by -Wextra.
12530         * c-opts.c (c_common_post_options): Enabled by -Wextra.
12531         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
12532         -Wold-style-declaration.
12533
12534 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12535
12536         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12537         * cfgbuild.c (find_basic_blocks): Likewise.
12538         * cfgrtl.c (rtl_create_basic_block): Likewise.
12539         * function.c (temp_slots_at_level): Likewise.
12540         * reg-stack.c (stack_regs_mentioned): Likewise.
12541         * regclass.c (allocate_reg_info): Likewise.
12542         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12543         set_bb_for_stmt, move_block_to_fn): Likewise.
12544         * tree-complex.c (tree_lower_complex): Likewise.
12545         * vec.h (VEC_safe_grow_cleared): New.
12546
12547 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
12548
12549         * c-common.c (c_common_nodes_and_builtins): Since variants of
12550         void_type_node get built before it is given a name, we need to
12551         give those variants the name, too.
12552         (complete_array_type): We need to work with the canonical main
12553         type of the array, from which we will build the qualified version.
12554         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12555         * print-tree.c (print_node): Display canonical type information
12556         for each type.
12557         * stor-layout.c (layout_type): When we don't know the
12558         alignment of a type for which we're building an array, we end up
12559         guessing wrong, so make the type require structural equality.
12560         * tree.c (make_node_stat): When we build a new type, it is its
12561         own canonical type.
12562         (build_type_attribute_qual_variant): When building an attribute
12563         variant, its canonical type is the non-attribute variant. However,
12564         if the attributes are target-dependent and they differ, we need to
12565         use structural equality checks for this type.
12566         (build_qualified_type): A qualified type is not equivalent to its
12567         unqualified variant; set the canonical type appropriately.
12568         (build_distinct_type_copy): When building a distinct type from
12569         another type, the new type is its own canonical type.
12570         (build_variant_type_copy): When building a new type variant, we
12571         assume that it is equivalent to the original type.
12572         (build_pointer_type_for_mode): When building a pointer type, also
12573         build a canonical type pointer.
12574         (build_reference_type_for_mode): When building a reference type,
12575         also build a canonical type reference.
12576         (build_index_type): When we can't hash an index type (e.g.,
12577         because its maximum value is negative), the index type requires
12578         structural equality tests.
12579         (build_array_type): Build the canonical form of an array type.
12580         (build_function_type): Function types require structural equality,
12581         because they contain default arguments, attributes, etc.
12582         (build_method_type_directly): Ditto for method types.
12583         (build_offset_type): Build the canonical offset type.
12584         (build_complex_type): Build the canonical vector type.
12585         (make_vector_type): Build the canonical vector type.
12586         * tree.h (TYPE_CANONICAL): New.
12587         (TYPE_STRUCTURAL_EQUALITY_P): New.
12588         (SET_TYPE_STRUCTURAL_EQUALITY): New.
12589         (struct tree_type): Added "canonical" field.
12590         * params.h (VERIFY_CANONICAL_TYPES): New.
12591         * doc/c-tree.texi (TYPE_CANONICAL): Document.
12592         (TYPE_STRUCTURAL_EQUALITY_P): Document.
12593         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12594         * doc/invoke.texi (verify-canonical-types): Document --param
12595         parameter for verifying canonical types.
12596
12597 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12598
12599         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12600         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12601         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12602         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12603         tm_file.
12604         * config/rs6000/e500.h: New.
12605         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12606         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12607         Remove.
12608         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12609         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12610         TARGET_E500_DOUBLE): Remove.
12611         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12612         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12613         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12614         * config/rs6000/rs6000.c (rs6000_override_options): Use
12615         CHECK_E500_OPTIONS.
12616
12617 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12618
12619         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12620         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12621         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12622         rs6000_emit_cmove): Don't check TARGET_E500.
12623         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12624         sordered): Don't check TARGET_E500.
12625
12626 2007-01-01  Eric Christopher  <echristo@apple.com>
12627
12628         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
12629         HARD_REGISTER_NUM_P.
12630
12631 2007-01-01  Roger Sayle  <roger@eyesopen.com>
12632
12633         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
12634         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
12635         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
12636         eq/ne Y".
12637
12638 2007-01-01  Mike Stump  <mrs@apple.com>
12639
12640         * configure.ac: Remove support for building with Apple's gcc-3.1.
12641
12642 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12643
12644         PR middle-end/30311
12645         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
12646         REG is a hard register.  Do not modify REG before calling
12647         subreg_nregs.
12648         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
12649         multiple of the size of YMODE for certain lowpart cases.
12650
12651 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12652
12653         PR middle-end/30253
12654         * gimplify (voidify_wrapper_expr): Update for
12655         GIMPLE_MODIFY_STMT.
12656
12657 2007-01-01  Andreas Schwab  <schwab@suse.de>
12658
12659         PR target/29166
12660         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
12661         save of BR0 in extra_spill_size instead of spill_size.
12662         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
12663         area.
12664         (ia64_expand_epilogue): Restore BR0 from its new location.
12665
12666 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12667
12668         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
12669         Use a temporary variable if the left hand side is not a gimple
12670         register.
12671
12672 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12673
12674         * gimplify.c (gimplify_return_expr): Make the temporary variable
12675         for the return expression, a gimple register variable.
12676
12677 2007-01-01  Jan Hubicka  <jh@suse.cz>
12678
12679         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
12680         INSN_LIST.
12681
12682 2007-01-01  Mike Stump  <mrs@apple.com>
12683
12684         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
12685         .literal16.
12686         * config/darwin.c (machopic_select_rtx_section): Use
12687         HAVE_GAS_LITERAL16.
12688         (darwin_mergeable_constant_section): Likewise.
12689         * configure: Regenerate.
12690         * config.in: Regenerate.
12691
12692 2007-01-01  Jan Hubicka  <jh@suse.cz>
12693             Andrew Pinski  <pinskia@gmail.com>
12694
12695         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
12696         before starting IPA passes.