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* crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
2             Jakub Jelinek  <jakub@redhat.com>
3
4         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
5         (__do_global_dtors_aux): Use more paranoid loop to run
6         destructors if HIDDEN_DTOR_LIST_END.
7         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
8
9 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
10
11         * varasm.c (align_variable): Don't increase alignment for
12         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
13         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
14
15 2007-05-04  Josh Conner  <jconner@apple.com>
16
17         * basic-block.h (cdi_direction): Assign values to all enumeration
18         constants.
19         (dom_computed): Remove.
20         (dom_info_state): New.
21         (set_dom_info_availability): New.
22         * tree-ssa-loop-im.c (determine_invariantness): Initialize
23         walk_data.dom_direction.
24         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
25         instead of dom_computed[].
26         (split_edge): Likewise.
27         (create_basic_block): Likewise.
28         (merge_blocks): Likewise.
29         * ifcvt.c (find_if_header): Likewise.
30         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
31         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
32         * tree-ssa.c (verify_ssa): Likewise.
33         * tree-cfg.c (tree_verify_flow_info): Likewise.
34         (remove_edge_and_dominated_blocks): Likewise.
35         * dominance.c (dom_computed): Make static.
36         (calc_dfs_tree_nonrec): Change third param to a bool.
37         (calc_dfs_tree): Change second param to a bool.
38         (calc_idioms): Change second param to a bool.  Use
39         dom_convert_dir_to_idx.
40         (init_dom_info): Validate dir before using.
41         (dom_convert_dir_to_idx): New.
42         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
43         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
44         (free_dominance_info): Use dom_convert_dir_to_idx.
45         (get_immediate_dominator): Likewise.
46         (set_immediate_dominator): Likewise.
47         (get_dominated_by): Likewise.
48         (redirect_immediate_dominators): Likewise.
49         (nearest_common_denominator): Likewise.
50         (dominated_by_p): Likewise.
51         (bb_dom_dfs_in): Likewise.
52         (bb_dom_dfs_out): Likewise.
53         (recount_dominator): Likewise.
54         (iterate_fix_dominators): Likewise.
55         (add_to_dominance_info): Likewise.
56         (delete_from_dominance_info): Likewise.
57         (first_dom_son): Likewise.
58         (next_dom_son): Likewise.
59         (dom_info_available_p): Likewise.
60         (dom_info_state): New.
61         (set_dom_info_availability): New.
62
63 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
64
65         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
66         Expander removed.
67         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
68
69 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
70         
71         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
72         (subdi3, subdi_carry): Delete.
73         
74 2007-05-04  Jan Hubicka  <jh@suse.cz>
75             Richard Guenther  <rguenther@suse.de>
76
77         * opts.c (decode_options): Do not fiddle with inlining
78         parameters in case of optimizing for size.
79         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
80         for size do nothing.
81         (cgraph_decide_inlining_of_small_function): When optimizing for
82         size never inline functions increasing caller size.
83         (cgraph_early_inlining): Inline for size when optimizing for size.
84
85 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
86
87         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
88         logical operations piecewise.
89         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
90         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
91         subdi_sesidi_di): Delete.
92         (add_with_carry): Produce carry in CC instead of a DREG to shorten
93         the generated sequence.  Allow three-reg add in constraints.  Rewrite
94         the rtl expression for carry to avoid zero_extend of a constant.
95         (sub_with_carry): New pattern.
96         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
97         different sequence not involving jumps.
98         (notbi): Now a named pattern.
99
100 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
101
102         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
103         Add the note about a significant loss of accuracy of some
104         mathematical routines when these options are used.
105
106 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
107
108         * haifa-sched.c (rtx_vec_t): New typedef.
109         (contributes_to_priority_p): Extract piece of priority () into new
110         static function.
111         (priority): Use the function.  Add assertion.
112         (rank_for_schedule, set_priorities): Add assertion to check that
113         insn's priority is initialized.
114         (clear_priorities, calc_priorities): Change signature.  Make it update
115         all relevant insns.  Update all callers ('add_to_speculative_block ()'
116         and 'create_block_check_twin ()').
117         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
118         Add new field 'priority_status'.
119         (INSN_PRIORITY_STATUS): New macro.
120         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
121
122 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
123
124         * sched-ebb.c (debug_ebb_dependencies): New static function.
125         (init_ready_list): Use it.
126
127         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
128         with changed signature and 'debug_rgn_dependencies ()'.
129         (debug_rgn_dependencies): New static function.
130         (init_ready_list): Use it.
131         
132         * sched-int.h (debug_dependencies): Declare.
133
134 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
135
136         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
137
138 2007-05-04  Dirk Mueller  <dmueller@suse.de>
139
140         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
141
142 2007-05-03  Jan Hubicka  <jh@suse.cz>
143
144         * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
145         for pointer type in more cases than before.
146
147         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
148
149         * tree-object-size.c (plus_expr_object_size): When operand size is
150         unknown, return unknown.
151
152 2007-05-03  Dirk Mueller  <dmueller@suse.de>
153
154         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
155
156         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
157         options.
158
159         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
160
161 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
162
163         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
164
165 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
166
167         * config/soft-fp/double.h, config/soft-fp/extended.h,
168         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
169         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
170         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
171         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
172         glibc CVS.
173
174 2007-05-03  Ian Lance Taylor  <iant@google.com>
175
176         * config/rs6000/rs6000.c (rs6000_override_options): Don't se
177         MASK_PPC_GFXOPT for 8540 or 8548.
178
179 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
180
181         * tree-vect-transform.c (vect_update_inits_of_drs): Use
182         vect_print_dump_info() to output debug information.
183
184 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
185
186         PR target/31768
187         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
188         operands of size 2 when operand is not MEM_P.
189
190 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
191
192         PR tree-optimization/30565
193         * lambda-code.c (perfect_nestify): Fix updating of dominators.
194
195 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
196
197         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
198         (umulsi3_highpart): Use them.
199         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
200         for final accumulator to D regisster tranfser.
201
202 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
203
204         PR tree-optimization/31699
205         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
206         code.
207         (vect_enhance_data_refs_alignment): Compute peel amount using 
208         TYPE_VECTOR_SUBPARTS instead of vf.     
209         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
210
211 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
212
213         PR bootstrap/31776
214         * system.h: Remove inclusion of double-int.h
215         * tree.h: Include double-int.h
216         * gengtype.c: Likewise
217         * cfgloop.h: Likewise
218         * Makefile.in: Adjust dependencies on double-int.h
219
220 2007-05-02  Eric Christopher  <echristo@apple.com>
221
222         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
223         -shared to -Zdynamiclib.
224
225 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
226
227         PR c++/31663
228         * c-common.c (strip_pointer_or_array_types): New function.
229         * c-common.h (strip_pointer_or_array_types): New function declaration.
230
231 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
232
233         PR tree-optimization/31771
234         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
235
236 2007-05-02  Paul Brook  <paul@codesourcery.com>
237
238         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
239
240 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
241
242         PR middle-end/29715
243         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
244         transformation.
245
246 2007-05-02  Nick Clifton  <nickc@redhat.com>
247
248         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
249
250 2007-05-02  Richard Guenther  <rguenther@suse.de>
251
252         PR tree-optimization/31146
253         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
254         argument, single_use_p.  If we have a single use that is
255         a conversion to the definition rhs type, propagate that rhs.
256         (forward_propagate_addr_expr): Pass single_use_p argument
257         to forward_propagate_addr_expr_1.
258
259 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
260
261         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
262         variable.
263
264 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
265
266         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
267         'AMD Family 10 core'.
268
269 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
270
271         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
272         and athlon64-sse3 as improved versions of k8, opteron and athlon64
273         with SSE3 instruction set support.
274         * doc/invoke.texi: Likewise.
275
276 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
277
278         * config/i386/i386.c (override_options): Tuning 32-byte loop
279         alignment for amdfam10 architecture. Increasing the max loop
280         alignment to 24 bytes.
281
282 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
283
284         * config/m68k/constraints.md: New.
285         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
286         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
287         EXTRA_CONSTRAINT): Remove.
288         * config/m68k/m68k.md: Include constraints.md.
289         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
290
291 2007-05-01  Ian Lance Taylor  <iant@google.com>
292
293         PR tree-optimization/31739
294         * tree-vrp.c (vrp_val_is_max): New static function.
295         (vrp_val_is_min): New static function.
296         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
297         copying the node.
298         (set_value_range): Use vrp_val_is_{max,min}.
299         (extract_range_from_assert): Likewise.
300         (extract_range_from_binary_expr): Likewise.
301         (extract_range_from_unary_expr): Likewise.
302         (dump_value_range, vrp_meet): Likewise.
303         (vrp_visit_phi_node): Likewise.
304         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
305
306 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
307
308         * config/i386/gmon-sol2.c (size_t): New type.
309         (intptr_t): Likewise.
310         (s_textsize): Declare as size_t.
311         (sbrk): Declare.
312         (monstartup): Use size_t for sizes.
313         (_mcount): Save and restore registers.
314         (internal_mcount): Pass 0 as the first argument to monstartup
315         in 64-bit mode.
316         (moncontrol): Convert pointer to appropriately sized integer
317         before passing to profil.
318
319 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
320
321         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
322         __NO_FPRS__, not just if _SOFT_DOUBLE.
323         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
324         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
325         also for E500 double.
326         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
327         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
328         && !TARGET_FPRS).
329
330 2007-05-01  Richard Guenther  <rguenther@suse.de>
331
332         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
333         is NULL.
334
335 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
336
337         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
338
339 2007-05-01  Jan Hubicka  <jh@suse.cz>
340
341         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
342         invariant.
343
344 2007-05-01  Jan Hubicka  <jh@suse.cz>
345
346         * tree.h (maybe_fold_offset_to_component_ref): Remove.
347         (maybe_fold_offset_to_reference): Declare.
348         * fold-const.c (fold_unary): Do not fold
349         (type *)&A into &A->field_of_type_and_offset_0
350         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
351         size is unknown, give up.
352         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
353         offsets.
354         (maybe_fold_offset_to_reference): New.
355         (maybe_fold_stmt_indirect): Use it.
356         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
357         * gimplify.c (gimplify_conversion): Canonicalize conversions to
358         field references.
359         (gimplify_expr): Likewise for plus_expr.
360
361 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
362
363         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
364         bsi_after_labels.  Always insert statements before bsi.
365         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
366         * predict.c (apply_return_prediction): Check for empty blocks.
367         * cfgexpand.c (lab_rtx_for_bb): New variable.
368         (label_rtx_for_bb): Do not create new tree labels.
369         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
370         (tree_expand_cfg): Initialize lab_rtx_for_bb.
371         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
372         creating edges.
373         (label_for_bb): Add field used.
374         (update_eh_label, main_block_label): Mark the label used.
375         (cleanup_dead_labels): Remove unused labels.
376
377 2007-05-01  Richard Guenther  <rguenther@suse.de>
378
379         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
380         if it is not about to be set.
381         (get_value_range): Do not pre-allocate equiv bitmap.
382         (update_value_range): No need to clear equiv field.
383         (add_equivalence): Change prototype to get bitmap pointer.
384         Allocate bitmap here if it is not already.
385         (extract_range_from_assert): Do not allocate bitmap here.
386         Update callers to add_equivalence.
387         (extract_range_from_ssa_name): Likewise.
388         (get_vr_for_comparison): New static helper.
389         (compare_name_with_value): Handle NULL equiv bitmap by
390         peeling the first iteration of the comparison loop.
391         Use get_vr_for_comparison.
392         (compare_names): Handle NULL equiv bitmaps by using fake
393         ones.  Use get_vr_for_comparison.
394
395 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
396
397         * double-int.c (mpz_set_double_int): Moved from
398         tree-ssa-loop-niter.c.
399         (mpz_get_double_int): Likewise; also, add option to wrap
400         out-of-range integers.
401         * double-int.h: New prototypes for above.
402         * tree.c (get_static_type_bounds): Moved from
403         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
404         TYPE_MAX_VALUE if they exist..
405         * tree.h: New prototype for above.
406         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
407         get_type_bounds calls.
408         (mpz_set_double_int): Move to double-int.c.
409         (get_type_bounds): Move to tree.c, rename to
410         get_static_type_bounds.
411         (mpz_to_double_int): Move to double-int.c, rename to
412         mpz_get_double_int.
413
414 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
415
416         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
417         DIV0 exception can fall through to a normal return.
418
419 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
420
421         PR middle-end/22156
422         Temporarily revert:
423         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
424         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
425         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
426         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
427         initialize align to silence bogus warning.
428         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
429         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
430         all_no_warning.
431         (struct sra_walk_fns): Remove use_all parameter from use.
432         (sra_hash_tree): Handle BIT_FIELD_REFs.
433         (sra_elt_hash): Don't hash bitfld blocks.
434         (sra_elt_eq): Skip them in parent compares as well.  Handle
435         BIT_FIELD_REFs.
436         (sra_walk_expr): Don't maintain or pass down use_all_p.
437         (scan_use): Remove use_all parameter.
438         (scalarize_use): Likewise.  Re-expand assignment to
439         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
440         output, and re-scalarize after output.  Don't mark anything
441         for no warning.
442         (scalarize_ldst): Adjust.
443         (scalarize_walk_gimple_modify_statement): Likewise.
444         (build_element_name_1): Handle BIT_FIELD_REFs.
445         (instantiate_element): Don't warn for any element whose parent
446         is used as a whole.
447         (instantiate_missing_elements_1): Return the sra_elt.
448         (canon_type_for_field): New.
449         (try_instantiate_multiple_fields): New.
450         (instantiate_missing_elemnts): Use them.
451         (mark_no_warning): Removed.
452         (generate_one_element_ref): Handle BIT_FIELD_REFs.
453         (REPLDUP, sra_build_elt_assignment): New.
454         (generate_copy_inout): Use them.
455         (generate_element_copy): Likewise.  Handle bitfld differences.
456         (generate_element_zero): Don't recurse for blocks.  Use
457         sra_build_elt_assignment.
458         (generate_one_element_int): Take elt instead of var.  Use
459         sra_build_elt_assignment.
460         (generate_element_init_1): Adjust.
461         (scalarize_use, scalarize_copy): Use REPLDUP.
462         (scalarize_ldst): Move assert before dereference.
463         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
464
465 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
466
467         PR C++/31721
468         * tree.c (reconstruct_complex_type): Reconstruct a reference
469         correctly.
470         Also use the same mode for the pointer as the old pointer type.
471
472 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
473
474         * doc/trouble.texi (Interoperation): Remove note about Ultrix
475         Fortran compiler.
476
477 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
478
479         PR rtl-optimization/31676
480         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
481         (df_refs_record): Call it.
482
483 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
484
485         * rtl.def (SS_ABS): New code.
486         * config/bfin/bfin.c (print_operand): New modifier 'v'.
487         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
488         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
489         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
490         (bfin_init_builtins): Define them.
491         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
492         (bfin_expand_builtin): ... and handle the others here.
493         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
494         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
495         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
496         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
497         operand is only HImode.
498
499 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
500
501         * regclass.c (scan_one_insn): Remove splitting of
502         two address insns.
503
504 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
505             Nigel Stephens  <nigel@mips.com>
506
507         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
508
509 2007-04-28  Jan Hubicka  <jh@suse.cz>
510
511         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
512         insn_locators_alloc instead of insn_locators_initialize;
513         call reset_block_changes.
514         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
515         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
516         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
517         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
518         * config/score/score.c (th_output_mi_thunk): Likewise.
519         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
520         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
521         tolerate uninitialized locator info.
522
523         Re-apply:
524         * function.c (init_function_start): Don't init line number info.
525         (expand_function_end): Update.
526         (reset_block_changes, record_block_change, finalize_block_changes,
527         check_block_change, free_block_changes): Kill.
528         * function.h (reset_block_changes, record_block_change,
529         finalize_block_changes, check_block_change, free_block_changes): Remove
530         prototypes.
531         (struct function): Remove ib_boundaries_block.
532         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
533         Use curr_insn_locator to initialize locator.
534         (emit_line_note): Remove.
535         * cfgexpand.c (expand_gimple_cond_expr): Update.
536         (construct_exit_block): Likewise.
537         (tree_expand_cfg): Initialize/finalize locators.
538         * expr.c (expand_expr_real): Update.
539         * cfglayout.c (line_locators_locs, line_locators_lines,
540         file_locators_locs, file_locators_files): Remove.
541         (set_block_levels): Move to cfgexpand.c.
542         (insn_locators_initialize): Remove.
543         (pass_insn_locators_initialize): Remove.
544         (locations_locators_locs, locations_locators_vals): New static vars.
545         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
546         Likewise.
547         (insn_locators_alloc, insn_locators_finalize,
548         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
549         New functions.
550         (locator_location): New.
551         (locator_line, locator_file): Rewrite.
552         * rtl.h (emit_line_note): Kill.
553         (insn_locators_alloc, insn_locators_finalize,
554         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
555         Declare.
556         * tree-inline.c (initialize_cfun): Do not initialize
557         ib_boundaries_block.
558         * passes.c (pass_insn_locators_initialize): Remove.
559
560 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
561
562         * tree-cfg.c (move_block_to_fn): Release bb from dominance
563         info.  Update last_basic_block correctly.
564
565 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
566
567         PR target/31701
568         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
569         register itself to hold the offset constant.  Tell flow the use
570         of r4 and r5 when they are used.
571
572 2007-04-27  Richard Guenther  <rguenther@suse.de>
573
574         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
575         if we simplified anything.
576         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
577         warnings until we did a simplification and the stmt was not
578         marked as TREE_NO_WARNING.
579
580 2007-04-27  Mike Stump  <mrs@apple.com>
581
582         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
583
584 2007-04-27  Ian Lance Taylor  <iant@google.com>
585
586         PR middle-end/31710
587         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
588         TYPE_MAX_VALUE exist, convert them to the new type.
589
590 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
591
592         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
593         if it claims to be available.
594         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
595         edge is redirected.
596         (perform_tree_ssa_dce): Always free postdominators.
597
598 2007-04-27  Richard Henderson  <rth@redhat.com>
599
600         * config/alpha/predicates.md (aligned_memory_operand): Mark
601         as define_special_predicate.
602         (unaligned_memory_operand, normal_memory_operand): Likewise.
603         (reg_or_unaligned_mem_operand): Remove.
604         (any_memory_operand): Match the documentation and check for
605         non-renumbered pseudos during reload.
606         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
607         alpha_secondary_reload_class, update to new interface, make static.
608         Handle CQImode like HImode.  Remove FP subreg check.
609         (alpha_expand_mov): Use replace_equiv_address.
610         (alpha_expand_mov_nobwx): Use any_memory_operand.
611         (TARGET_SECONDARY_RELOAD): New.
612         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
613         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
614         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
615         * config/alpha/alpha.md: ... here.
616         (RELOAD12, reloadmode): New.
617         (movcqi): New.
618         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
619         Don't handle the aligned case here.
620         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
621         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
622         reload_inhi_help.  Don't expect a scratch register.
623         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
624         reload_outhi_help.
625         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
626
627 2007-04-27  Richard Guenther  <rguenther@suse.de>
628
629         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
630
631 2007-04-27  Richard Guenther  <rguenther@suse.de>
632
633         PR tree-optimization/30965
634         PR tree-optimization/30978
635         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
636         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
637         (find_equivalent_equality_comparison): Likewise.
638         (simplify_cond): Likewise.
639         (get_prop_source_stmt): New helper.
640         (get_prop_dest_stmt): Likewise.
641         (can_propagate_from): Likewise.
642         (remove_prop_source_from_use): Likewise.
643         (combine_cond_expr_cond): Likewise.
644         (forward_propagate_comparison): New function.
645         (forward_propagate_into_cond): Rewrite to use fold for
646         tree combining.
647         (tree_ssa_forward_propagate_single_use_vars): Call
648         forward_propagate_comparison to propagate comparisons.
649
650 2007-04-27  Richard Guenther  <rguenther@suse.de>
651
652         PR tree-optimization/31715
653         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
654         sure to do computation on the offset in an appropriate
655         signed type.
656
657 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
658
659         * reload.h (elimination_target_reg_p): Declare.
660         * reload.c (find_reloads): Don't apply the reg_rtx move
661         optimization if the SET_DEST satisfies elimination_target_reg_p.
662         * reload1.c (elimination_target_reg_p): New function.
663         (gen_reload): In the move/add2 fallback, make sure that op0
664         does not overlap the destination register.
665
666 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
667
668         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
669         transform only GIMPLE_MODIFY_STMTs.
670         * tree-complex.c (expand_complex_operations_1): Ditto.
671         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
672         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
673         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
674         branches.
675         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
676         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
677         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
678         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
679         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
680         slpeel_add_loop_guard): Ditto.
681         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
682         * lambda-code.c (perfect_nestify): Ditto.
683         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
684         before the first statement.
685         * tree-optimize.c (execute_free_datastructures): Fix comments.
686         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
687         * tree-flow.h (disband_implicit_edges): Declaration removed.
688         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
689         branches.
690         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
691         without gotos.
692         (disband_implicit_edges, has_label_p): Removed.
693         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
694         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
695         branches.
696         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
697         side effects.
698         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
699         also for COND_EXPRs.
700         * cfgexpand.c (label_rtx_for_bb): New function.
701         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
702         Use label_rtx_for_bb to find the labels.
703         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
704         last block.  Detect fallthru edges.
705
706 2007-04-26  Ian Lance Taylor  <iant@google.com>
707
708         PR target/28675
709         * reload.c (find_reloads_subreg_address): If the address was valid
710         in the original mode but not in the new mode, reload the whole
711         address.
712
713 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
714
715         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
716         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
717         (cleanup_control_expr_graph): Do not invalidate dominance info.
718         Record altered blocks.
719         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
720         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
721         cleanup_tree_cfg_bb): New functions.
722         (remove_forwarder_block): Do not maintain the worklist of blocks.
723         Record altered blocks.
724         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
725         not over whole cfg.
726         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
727         delete_unreachable_blocks if dominators are not available.
728         * tree-inline.c (optimize_inline_calls): Free dominance information
729         earlier.
730         * tree-flow.h (remove_edge_and_dominated_blocks,
731         cfgcleanup_altered_bbs): Altered.
732         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
733         blocks.
734         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
735         functions.
736         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
737         do not invalidate dominators.
738
739 2007-04-26  Anatoly Sokolov <aesok@post.ru>
740
741         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
742         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
743         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
744         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
745
746 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
747
748         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
749
750 2007-04-26  Richard Guenther  <rguenther@suse.de>
751
752         PR tree-optimization/31703
753         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
754         the right type for the target of the bittest.
755
756 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
757
758         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
759         ix86_sol10_return_in_memory.
760
761 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
762
763         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
764         variables.
765
766 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
767
768         PR c++/31598
769         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
770
771         PR tree-optimization/30558
772         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
773         clear this_state.prev_try.
774
775 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
776             Mark Mitchell  <mark@codesourcery.com>
777
778         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
779         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
780         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
781
782 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
783
784         PR driver/31107
785         * doc/invoke.texi (%:print-asm-header): Document.
786         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
787         and -ftarget-help.
788         (static_spec_functions): Add print-asm-header.
789         (main): Print a banner before the --target-help linker options.
790         (print_asm_header_spec_function): New function.
791
792 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
793
794         PR target/31403
795         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
796         (movsf_ie): Likewise.
797
798 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
799
800         * doc/extend.texi ([Type Traits]): Adjust per N2255.
801
802 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
803
804         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
805         for divide-by-zero.
806         (__umodsi3, __modsi3): Likewise.
807
808 2007-04-25  Dirk Mueller  <dmueller@suse.de>
809
810         * c-typeck.c (build_compound_expr): Annotate warning()
811         call with OPT_Wunused_value.
812         * tree-ssa.c (warn_uninit): Annotate warning with
813         OPT_Wunintialized.
814         * c-common.c (handle_sentinel_attribute): Annotate warning
815         call with OPT_Wattributes.
816
817 2007-04-25  Thiemo Seufer  <ths@mips.com>
818
819         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
820         (mips16): Fix typo.
821         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
822         on to the assembler.  Improve handling of -mno-mips16.  Add handling
823         of -mno-mips3d, -mno-dsp, -mno-dspr2.
824         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
825         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
826         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
827
828 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
829
830         PR target/31680
831         * config/i386/winnt.c (i386_pe_file_end): Strip only
832         USER_LABEL_PREFIX when writing export name.
833
834 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
835
836         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
837         sh/elf.h, vx-common.h and vxworks.h.
838         * config/sh/sh.h: Include config/vxworks-dummy.h.
839         (SUBTARGET_OVERRIDE_OPTIONS): Define.
840         (OVERRIDE_OPTIONS): Use it.
841         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
842         (vxworks_picreg): New pattern.
843         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
844         VXWORKS_OS_CPP_BUILTINS.
845         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
846         to their VXWORKS_* equivalents.
847         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
848         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
849         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
850         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
851         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
852         -mrtp/-fPIC multilibs.
853         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
854         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
855         (MULTILIB_OSDIRNAMES): Delete.
856
857 2007-04-25  Anatoly Sokolov <aesok@post.ru>
858
859         PR target/18989
860         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
861
862 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
863
864         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
865         rounding mode to be specified by the caller.
866         (real_to_mpfr) Likewise.
867         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
868         include new arguments.
869         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
870
871 2007-04-24  Ian Lance Taylor  <iant@google.com>
872
873         PR tree-optimization/31605
874         * tree-vrp.c (set_value_range): Check that min and max are not
875         both overflow infinities.
876         (set_value_range_to_value): New static function.
877         (extract_range_from_binary_expr): Call set_value_range_to_value.
878         (extract_range_from_cond_expr): Likewise.
879         (extract_range_from_expr): Likewise.
880         (extract_range_from_unary_expr): Likewise.  Don't create a range
881         which overflows on both sides.
882         (vrp_meet): Check for a useless range.
883         (vrp_visit_phi_node): If we see a constant which looks like an
884         overflow infinity, turn off the TREE_OVERFLOW flag.
885
886 2007-04-24  Ian Lance Taylor  <iant@google.com>
887
888         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
889
890 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
891
892         PR diagnostic/25923
893         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
894         diagnostic message is being built.
895         * tree-pretty-print.c (dump_generic_node): Only write the
896         formatted text into BUFFER's stream if we are not building a
897         diagnostic message.
898         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
899         dump_generic_node.
900         * Makefile.in (toplev.o): Depend on tree-pass.h.
901
902 2007-04-24  Ian Lance Taylor  <iant@google.com>
903
904         PR tree-optimization/31602
905         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
906         conditionals in the copied loop header.
907         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
908         warnings if TREE_NO_WARNING is set.
909         * doc/invoke.texi (Warning Options): Clarify that
910         -Wstrict-overflow does not warn about loops.
911
912 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
913
914         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
915         expand on the comment about _Decimal128 arguments and check the
916         integer result of the modulus operation; for 64-bit ELF ABI, ensure
917         that _Decimal128 argument uses even/odd register pair.
918         (function_arg): Ditto.
919
920 2007-04-24  Hui-May Chang <hm.chang@apple.com>
921
922         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
923         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
924
925 2007-04-24  Richard Guenther  <rguenther@suse.de>
926             Olga Golovanevsky  <olga@il.ibm.com>
927
928         * fold-const.c (multiple_of_p): Check for bottom
929         to be zero.
930
931 2007-04-24  Richard Henderson  <rth@redhat.com>
932
933         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
934         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
935         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
936         looking for non-zero bits shifted out.  Avoid a recursive call
937         when constructing the scalar.
938         (__floatundisf): Likewise.
939
940 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
941
942         * dwarf2out.c (field_byte_offset): Move the existing logic
943         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
944         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
945
946 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
947
948         PR target/31641
949         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
950         argument of 0 for memset.
951         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
952         unsigned shift instead of the signed variant.
953
954 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
955
956         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
957         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
958         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
959         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
960         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
961         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
962         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
963         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
964         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
965         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
966         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
967         "mul<mode>3", "div<mode>3"): Insn definitions added.
968         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
969         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
970         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
971         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
972         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
973         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
974         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
975         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
976         TARGET_FLOAT_FORMAT): Macro definitions removed.
977         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
978         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
979         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
980         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
981         (s390_gen_rtx_const_DI): Function removed.
982         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
983
984 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
985
986         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
987         over an external ffs function.
988
989 2007-04-24  Chao-ying Fu  <fu@mips.com>
990             Richard Sandiford  <richard@nildram.co.uk>
991
992         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
993         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
994         (smadd_widen_optab, umadd_widen_optab): Define.
995         * optabs.c (init_optabs): Initialize smadd_widen_optab and
996         umadd_widen_optab.
997         * genopinit.c (optabs): Fill in smadd_widen_optab and
998         umadd_widen_optab.
999         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
1000         and umadd_widen_optab to implement multiply-add sequences.
1001         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
1002         (<u>maddsidi4): ...this.  Extend condition to include
1003         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
1004         of operand 0 to "ka" and use the three-operand form of madd<u>
1005         for TARGET_DSPR2.
1006         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
1007         to define_expands.
1008         * config/mips/constraints.md (ka): New register constraint.
1009
1010 2007-04-24  Jan Hubicka  <j@suse.cz>
1011
1012         Revert:
1013
1014         2007-04-23  Jan Hubicka  <jh@suse.cz>
1015         * function.c (init_function_start): Don't init line number info.
1016         (expand_function_end): Update.
1017         (reset_block_changes, record_block_change, finalize_block_changes,
1018         check_block_change, free_block_changes): Kill.
1019         * function.h (reset_block_changes, record_block_change,
1020         finalize_block_changes, check_block_change, free_block_changes): Remove
1021         prototypes.
1022         (struct function): Remove ib_boundaries_block.
1023         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1024         Use curr_insn_locator to initialize locator.
1025         (emit_line_note): Remove.
1026         * cfgexpand.c (expand_gimple_cond_expr): Update.
1027         (construct_exit_block): Likewise.
1028         (tree_expand_cfg): Initialize/finalize locators.
1029         * expr.c (expand_expr_real): Update.
1030         * cfglayout.c (line_locators_locs, line_locators_lines,
1031         file_locators_locs, file_locators_files): Remove.
1032         (set_block_levels): Move to cfgexpand.c.
1033         (insn_locators_initialize): Remove.
1034         (pass_insn_locators_initialize): Remove.
1035         (locations_locators_locs, locations_locators_vals): New static vars.
1036         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1037         Likewise.
1038         (insn_locators_alloc, insn_locators_finalize,
1039         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1040         New functions.
1041         (locator_location): New.
1042         (locator_line, locator_file): Rewrite.
1043         * rtl.h (emit_line_note): Kill.
1044         (insn_locators_alloc, insn_locators_finalize,
1045         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1046         Declare.
1047         * tree-inline.c (initialize_cfun): Do not initialize
1048         ib_boundaries_block.
1049         * passes.c (pass_insn_locators_initialize): Remove.
1050
1051 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
1052
1053         * doc/invoke.texi: Removed leading '-' from option index entries.
1054
1055 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1056
1057         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
1058         Use phi_nodes_ptr.
1059         (create_phi_node): Use set_phi_nodes.
1060         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
1061         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
1062         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
1063         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
1064         (bsi_start, bsi_last): Use bb_stmt_list.
1065         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
1066         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
1067         Traverse the statements using tsi iterator.
1068         * basic-block.h (struct basic_block_def): Fields stmt_list
1069         and phi_nodes moved to ...
1070         (struct tree_bb_info): ... new structure.
1071         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
1072         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
1073         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
1074         (tree_verify_flow_info): Verify that il.tree is not set for
1075         entry and exit block.
1076         (tree_split_block): Use set_bb_stmt_list.
1077
1078 2007-04-23  Mike Stump  <mrs@apple.com>
1079
1080         * config/i386/i386.c (ix86_tune_features
1081         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
1082         nocona and core2.
1083
1084 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1085
1086         * config/i386/i386.md (prefix_extra): New attribute.
1087         (length): Add prefix_extra.
1088
1089         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
1090         (sse2_movntv2di): Likewise.
1091         (sse2_cvtps2dq): Likewise.
1092         (sse2_cvtpd2pi): Likewise.
1093         (sse2_cvttpd2pi): Likewise.
1094         (*sse2_cvtpd2ps): Likewise.
1095         (*add<mode>3): Likewise.
1096         (sse2_ssadd<mode>3): Likewise.
1097         (sse2_usadd<mode>3): Likewise.
1098         (*sub<mode>3): Likewise.
1099         (sse2_sssub<mode>3): Likewise.
1100         (sse2_ussub<mode>3): Likewise.
1101         (*mulv8hi3): Likewise.
1102         (*smulv8hi3_highpart): Likewise.
1103         (*umulv8hi3_highpart): Likewise.
1104         (sse2_umulv2siv2di3): Likewise.
1105         (sse2_pmaddwd): Likewise.
1106         (ashr<mode>3): Likewise.
1107         (lshr<mode>3): Likewise.
1108         (ashl<mode>3): Likewise.
1109         (sse2_ashlti3): Likewise.
1110         (sse2_lshrti3): Likewise.
1111         (*umaxv16qi3): Likewise.
1112         (*smaxv8hi3): Likewise.
1113         (*uminv16qi3): Likewise.
1114         (*sminv8hi3): Likewise.
1115         (sse2_eq<mode>3): Likewise.
1116         (sse2_gt<mode>3): Likewise.
1117         (*and<mode>3): Likewise.
1118         (sse2_nand<mode>3): Likewise.
1119         (*ior<mode>3): Likewise.
1120         (*xor<mode>3): Likewise.
1121         (sse2_packsswb): Likewise.
1122         (sse2_packssdw): Likewise.
1123         (sse2_packuswb): Likewise.
1124         (sse2_punpckhbw): Likewise.
1125         (sse2_punpcklbw): Likewise.
1126         (sse2_punpckhwd): Likewise.
1127         (sse2_punpcklwd): Likewise.
1128         (sse2_punpckhdq): Likewise.
1129         (sse2_punpckldq): Likewise.
1130         (sse2_punpckhqdq): Likewise.
1131         (sse2_punpcklqdq): Likewise.
1132         (*sse2_pinsrw): Likewise.
1133         (*sse2_pextrw): Likewise.
1134         (sse2_pshufd_1): Likewise.
1135         (sse2_uavgv16qi3): Likewise.
1136         (sse2_uavgv8hi3): Likewise.
1137         (sse2_psadbw): Likewise.
1138         (sse2_pmovmskb): Likewise.
1139         (*sse2_maskmovdqu): Likewise.
1140         (*sse2_maskmovdqu_rex64): Likewise.
1141         (sse4a_extrqi): Likewise.
1142         (sse4a_extrq): Likewise.
1143         (sse3_lddqu): Set prefix_rep.
1144         (sse3_addsubv4sf3): Likewise.
1145         (sse3_haddv4sf3): Likewise.
1146         (sse3_hsubv4sf3): Likewise.
1147         (sse_cvtss2si): Likewise.
1148         (sse_cvtss2si_2): Likewise.
1149         (sse_cvtss2siq): Likewise.
1150         (sse_cvtss2siq_2): Likewise.
1151         (sse_cvttss2si): Likewise.
1152         (sse_cvttss2siq): Likewise.
1153         (sse2_cvttps2dq): Likewise.
1154         (sse3_movshdup): Likewise.
1155         (sse3_movsldup): Likewise.
1156         (sse2_cvtsd2si): Likewise.
1157         (sse2_cvtsd2si_2): Likewise.
1158         (sse2_cvtsd2siq): Likewise.
1159         (sse2_cvtsd2siq_2): Likewise.
1160         (sse2_cvttsd2si): Likewise.
1161         (sse2_cvttsd2siq): Likewise.
1162         (*sse2_cvtpd2dq): Likewise.
1163         (*sse2_cvttpd2dq): Likewise.
1164         (sse2_pshuflw_1): Likewise.
1165         (sse2_pshufhw_1): Likewise.
1166         (sse4a_insertqi): Likewise.
1167         (sse4a_insertq): Likewise.
1168         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
1169         (ssse3_phadddv4si3): Likewise.
1170         (ssse3_phaddswv8hi3): Likewise.
1171         (ssse3_phsubwv8hi3): Likewise.
1172         (ssse3_phsubdv4si3): Likewise.
1173         (ssse3_phsubswv8hi3): Likewise.
1174         (ssse3_pmaddubswv8hi3): Likewise.
1175         (ssse3_pmulhrswv8hi3): Likewise.
1176         (ssse3_pshufbv16qi3): Likewise.
1177         (ssse3_psign<mode>3): Likewise.
1178         (ssse3_palignrti): Likewise.
1179         (abs<mode>2): Likewise.
1180         (ssse3_phaddwv4hi3): Set prefix_extra.
1181         (ssse3_phadddv2si3): Likewise.
1182         (ssse3_phaddswv4hi3): Likewise.
1183         (ssse3_phsubwv4hi3): Likewise.
1184         (ssse3_phsubdv2si3): Likewise.
1185         (ssse3_phsubswv4hi3): Likewise.
1186         (ssse3_pmaddubswv4hi3): Likewise.
1187         (ssse3_pmulhrswv4hi3): Likewise.
1188         (ssse3_pshufbv8qi3): Likewise.
1189         (ssse3_psign<mode>3): Likewise.
1190         (ssse3_palignrdi): Likewise.
1191         (abs<mode>2): Likewise.
1192         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
1193         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
1194         (sse2_pmovmskb): Set mode to SI instead of V2DF.
1195
1196 2007-04-23  Nick Clifton  <nickc@redhat.com>
1197
1198         * params.def: Fix formatting of emacs local variables.
1199
1200 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1201
1202         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
1203         move if inter-unit move isn't allowed.
1204         Don't split moving the first element of V2DI to DI to inter-unit
1205         move if inter-unit move isn't allowed.
1206
1207 2007-04-23  Richard Guenther  <rguenther@suse.de>
1208
1209         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
1210         and CDI_POST_DOMINATORS separately.
1211
1212 2007-04-23  Nick Clifton  <nickc@redhat.com>
1213
1214         * c.opt (Wformat-contains-nul): Add warning attribute.
1215
1216 2007-04-23  Jan Hubicka  <jh@suse.cz>
1217
1218         * function.c (init_function_start): Don't init line number info.
1219         (expand_function_end): Update.
1220         (reset_block_changes, record_block_change, finalize_block_changes,
1221         check_block_change, free_block_changes): Kill.
1222         * function.h (reset_block_changes, record_block_change,
1223         finalize_block_changes, check_block_change, free_block_changes): Remove
1224         prototypes.
1225         (struct function): Remove ib_boundaries_block.
1226         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1227         Use curr_insn_locator to initialize locator.
1228         (emit_line_note): Remove.
1229         * cfgexpand.c (expand_gimple_cond_expr): Update.
1230         (construct_exit_block): Likewise.
1231         (tree_expand_cfg): Initialize/finalize locators.
1232         * expr.c (expand_expr_real): Update.
1233         * cfglayout.c (line_locators_locs, line_locators_lines,
1234         file_locators_locs, file_locators_files): Remove.
1235         (set_block_levels): Move to cfgexpand.c.
1236         (insn_locators_initialize): Remove.
1237         (pass_insn_locators_initialize): Remove.
1238         (locations_locators_locs, locations_locators_vals): New static vars.
1239         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1240         Likewise.
1241         (insn_locators_alloc, insn_locators_finalize,
1242         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1243         New functions.
1244         (locator_location): New.
1245         (locator_line, locator_file): Rewrite.
1246         * rtl.h (emit_line_note): Kill.
1247         (insn_locators_alloc, insn_locators_finalize,
1248         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1249         Declare.
1250         * tree-inline.c (initialize_cfun): Do not initialize
1251         ib_boundaries_block.
1252         * passes.c (pass_insn_locators_initialize): Remove.
1253
1254 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1255
1256         PR middle-end/31448
1257         * expr.c (reduce_to_bit_field_precision): Handle
1258         CONST_INT rtx's.
1259
1260 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
1261
1262         PR tree-optimization/24659
1263         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
1264         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
1265         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
1266         * genopinit.c (optabs): Rename vec_pack_mod_optab
1267         to vec_pack_trunc_optab.
1268         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
1269         early for scalar floating point operands for NOP_EXPR.
1270         (vectorizable_type_promotion): Ditto.
1271         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
1272         vec_pack_trunc_optab.
1273         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
1274
1275         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
1276         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
1277         Rename from VEC_PACK_MOD_EXPR.
1278         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
1279         * expr.c (expand_expr_real_1): Ditto.
1280         * tree-inline.c (estimate_num_insns_1): Ditto.
1281         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1282
1283         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
1284         (vec_unpacks_lo_v4sf): Ditto.
1285         (vec_pack_trunc_v2df): Ditto.
1286         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
1287         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1288         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
1289
1290         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
1291         vec_pack_mod_v8hi.
1292         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1293
1294         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
1295         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
1296         packing of floating point operands.
1297         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
1298         represent unpacking of floating point operands.
1299         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
1300         [vec_unpacks_hi]: Ditto.
1301         [vec_unpacks_lo]: Ditto.
1302
1303 2007-04-22  Jan Hubicka  <jh@suse.cz>
1304
1305         * final.c (rest_of_handle_final): Call
1306         targetm.asm_out.constructor/targetm.asm_out.destructor
1307         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
1308         proper priority via decl_*_priority_insert.
1309         * c-common.c (c_expand_body): Likewise.
1310
1311 2007-04-22  Richard Guenther  <rguenther@suse.de>
1312
1313         PR tree-optimization/29789
1314         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
1315         (rewrite_reciprocal): New helper split out from
1316         determine_invariantness_stmt.
1317         (rewrite_bittest): Likewise.
1318         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1319         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1320         is not.
1321
1322 2007-04-22  Revital Eres  <eres@il.ibm.com>
1323
1324         * loop-unroll.c (var_to_expand): New field to support also
1325         insns of the form x = something + x.
1326         (analyze_insn_to_expand_var): Use it.
1327         (expand_var_during_unrolling): Likewise.
1328
1329 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1330
1331         * predict.c: Include pointer-set.h.
1332         (bb_predictions): New variable.
1333         (tree_predicted_by_p, tree_predict_edge,
1334         remove_predictions_associated_with_edge): Use bb_predictions map
1335         instead of bb->predictions.
1336         (clear_bb_predictions, assert_is_empty): New functions.
1337         (combine_predictions_for_bb): Use bb_predictions map.  Call
1338         clear_bb_predictions.
1339         (tree_estimate_probability): Create and free bb_predictions map.
1340         * Makefile.in (predict.o): Add pointer-set.h dependency.
1341         * basic-block.h (struct basic_block_def): Remove predictions
1342         field.
1343         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1344
1345 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1346
1347         PR target/31480
1348         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1349         is null.
1350
1351 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1352
1353         * timevar.c (timevar_print): Change reference of --disable-checking to
1354         --enable-checking=release.  Also warn if assert checking is disabled.
1355
1356 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1357
1358         PR C/30265
1359         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
1360         decl as addressable if the compound literal was marked as
1361         addressable.
1362         Mark the decl as a gimple register if it is a complex or
1363         vector decl and does not live in memory.
1364
1365 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1366
1367         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
1368         (GENERIC_NEXT): New function macro.
1369         (PHI_CHAIN): Use phi_node's new chain variable.
1370         (tree_phi_node): Change tree_common to tree_base
1371         and add the chain field.
1372         * tree-phinodes.c (make_phi_node): Don't set
1373         TREE_TYPE on the new node.
1374         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
1375         instead of checking GIMPLE_TUPLE_P in chain_next.
1376         * tree-vect-transform.c
1377         (get_initial_def_for_induction): Look at
1378         PHI_RESULT_TREE for the type of the phi node.
1379         (update_vuses_to_preheader): Use PHI_CHAIN
1380         instead of TREE_CHAIN on the phi node.
1381         * tree-ssa-structalias.c (compute_points_to_sets):
1382         Likewise.
1383         (ipa_pta_execute): Likewise.
1384
1385 2007-04-21  Richard Guenther  <rguenther@suse.de>
1386
1387         PR middle-end/31136
1388         * fold-const.c (fold_unary): Call fold_convert_const on the
1389         original tree.
1390
1391 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
1392
1393         * gcse.c (store_killed_in_insn): Handle PARALLELs.
1394         (store_killed_in_pat): New.
1395
1396 2007-04-20  Richard Henderson  <rth@redhat.com>
1397
1398         PR target/31628
1399         * config/i386/i386.c (type_has_variadic_args_p): Look for any
1400         TREE_LIST with a void_type_node value, not void_list_node exactly.
1401
1402 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
1403
1404         * doc/standards.texi: Re-arrange into language-specific
1405         subsections. Add a C++ section, documenting which standards we
1406         support.
1407
1408 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1409
1410         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
1411         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
1412
1413 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
1414
1415         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
1416         ecrti.o and crtbegin.o.
1417         (LIB_DEFAULT_SPEC): Include -lc.
1418         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
1419
1420 2007-04-20  Richard Henderson  <rth@redhat.com>
1421
1422         PR target/28623
1423         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
1424         argument; update all callers.
1425         (get_unaligned_offset): New.
1426         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
1427         get_unaligned_address, just pass on the address directly.
1428         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
1429         the subreg in the helper patterns.
1430         (unaligned_extendqidi_le): Use get_unaligned_offset.
1431         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
1432         (unaligned_extendhidi_be): Likewise.
1433         (unaligned_extendhidi): Tidy.
1434         * config/alpha/alpha-protos.h: Update.
1435
1436 2007-04-20  Richard Henderson  <rth@redhat.com>
1437
1438         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
1439         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
1440         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
1441         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1442         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1443         (CPP_SPEC): Don't include %(cpp_subtarget).
1444         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
1445         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1446         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
1447
1448 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
1449
1450         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
1451         for __builtin_ia32_cmpordss.
1452
1453         PR tree-optimization/31632
1454         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1455         and arg1 for optimizations of comparison against min/max values.
1456         Fold arg0 to arg1's type for optimizations of comparison against
1457         min+1 and max-1 values.
1458
1459 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1460
1461         * reload.c (combine_reloads): When trying to use a dying register,
1462         check whether it's uninitialized and don't use if so.
1463
1464 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
1465
1466         * fold-const.c: Remove prototypes for native_encode_expr and
1467         native_interpret_expr.
1468         (native_encode_expr): Make non-static.
1469         (native_interpret_expr): Likewise.
1470         * tree.h: Add prototypes for the above.
1471
1472 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1473
1474         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
1475         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
1476         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
1477         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
1478         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
1479         Add length attributes.
1480
1481 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
1482
1483         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
1484         not that it is 1.
1485
1486         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
1487         __STDC_WANT_DEC_FP__.
1488
1489 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1490
1491         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
1492         for long double compatibility.
1493         * configure: Regenerate.
1494
1495 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1496
1497         PR rtl-optimization/29841
1498         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
1499         trap instructions.
1500         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
1501         that may cause control flow transfer from being moved.
1502
1503 2007-04-18  Jan Hubicka  <jh@suse.cz>
1504
1505         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
1506         types.
1507
1508 2007-04-18  Eric Christopher  <echristo@apple.com>
1509
1510         * config/rs6000/darwin.md (load_macho_picbase): Use link register
1511         only. Update operands.
1512         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
1513         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
1514         link register to pic register.
1515
1516 2007-04-18  Dirk Mueller  <dmueller@suse.de>
1517
1518         PR diagnostic/31227
1519         * tree-vrp.c (search_for_addr_array): New.
1520         (check_array_bounds): Suppress warning about
1521         address taken of array refs if its not de-referenced.
1522
1523 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1524
1525         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
1526         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
1527
1528         * tree-vectorizer.h (NITERS_KNOWN_P): New.
1529         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
1530         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
1531
1532         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
1533         dump print.
1534         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
1535         print message.
1536         (vect_analyze_scalar_cycles): Fix indentation.
1537         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
1538         (vect_mark_relevant): Include phis in relevance analysis.
1539
1540         * tree-vect-transform.c (vect_transform_loop): Add an assert.
1541
1542 2007-04-18  Anatoly Sokolov <aesok@post.ru>
1543
1544         * config/avr/avr.c (ptrreg_to_str): Replace error() with
1545         output_operand_lossage().
1546
1547 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1548
1549         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
1550         the unused code for reduction without adjust-in-epilog to simplify the
1551         function.
1552
1553 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
1554
1555         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
1556         (S390_TDC_NEGATIVE_ZERO): New constant.
1557         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
1558         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
1559         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
1560         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
1561         (S390_TDC_POSITIVE_INFINITY): New constant.
1562         (S390_TDC_NEGATIVE_INFINITY): New constant.
1563         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1564         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1565         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1566         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1567         (S390_TDC_INFINITY): New constant.
1568         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1569         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1570         optimization for UNSPEC_CCZ_TO_INT.
1571         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1572         ("*ccz_to_int"): New insn.
1573         ("isinf<mode>2"): New insn.
1574         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1575         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1576         (UNSPEC_CCZ_TO_INT): New constant.
1577
1578 2007-04-18  Richard Guenther  <rguenther@suse.de>
1579
1580         PR tree-optimization/19431
1581         PR tree-optimization/21463
1582         * tree-pass.h (pass_phiprop): Declare.
1583         * passes.c (init_optimization_passes): New phiprop pass.
1584         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1585         (phivn_valid_p): New helper function.
1586         (phiprop_insert_phi): Likewise.
1587         (propagate_with_phi): Likewise.
1588         (tree_ssa_phiprop): New propagator propagating loads
1589         through phi nodes if profitable.
1590
1591 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1592
1593         * tree-vect-analyze.c (process_use): New function.
1594         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1595         Check phis in all bbs.
1596         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1597         assert.
1598
1599 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1600
1601         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1602         we use REG_EQUAL.
1603
1604 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1605
1606         PR target/30483
1607         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1608         error().
1609
1610 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1611
1612         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1613         on "0".
1614         (sse_vmmulv4sf3): Likewise.
1615         (sse2_vmaddv2df3): Likewise.
1616         (sse2_vmmulv2df3): Likewise.
1617
1618 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
1619
1620         PR rtl-optimization/31360
1621         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1622         (target_reg_cost): New.
1623         (init_set_costs): Initialize target_reg_cost.  Add comments
1624         regarding the rationale of the costs.
1625         (global_cost_for_size): Renamed to...
1626         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
1627         of register pressure.
1628         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1629         estimate_reg_pressure_cost.  Add number of ivs.
1630         (determine_set_costs): Dump target_reg_cost.
1631         * loop-invariant.c (gain_for_invariant):  Use
1632         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
1633         (best_gain_for_invariant, find_invariants_to_move): Remove
1634         n_inv_uses.
1635         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1636         (target_reg_cost): Declare.
1637         (global_cost_for_size): Declaration removed.
1638         (estimate_reg_pressure_cost): Declare.
1639
1640 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
1641
1642         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
1643         regnos into even/odd register pairs.
1644         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
1645         TDmode similar to the other floating point modes.
1646         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
1647         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
1648         define_expand's.
1649         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
1650         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
1651         (movdd_hardfloat64): Use TARGET_MFPGPR.
1652
1653 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1654
1655         * reload1.c (delete_output_reload): Don't count output in n_inherited.
1656
1657         Revert
1658         2005-01-05  Richard Henderson  <rth@redhat.com>
1659         PR rtl-opt/10692
1660         * reload1.c (do_input_reload): Restrict the optimization deleteing
1661         a previous output reload to RELOAD_FOR_INPUT.
1662
1663 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
1664
1665         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
1666         induc_vec_info_type.
1667         (vectorizable_induction): New function declaration.
1668         * tree-vect-transform.c (get_initial_def_for_induction): No need to
1669         check if already vectorized.  Find first place in BB where new stmts
1670         can be inserted.  Takes only one argument.
1671         (vectorizable_induction): New function.
1672         (vect_transform_stmt): Add case for induc_vec_info_type to call
1673         vectorizable_induction.
1674         (vect_transform_loop): Consider phis for vectorization.
1675         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
1676         condition.
1677         (analyze_operations): Call vectorizable_induction when analyzing phis.
1678         Fix comment.
1679         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
1680         (vect_mark_relevant): Include phis in relevance analysis.
1681         (vect_mark_stmts_to_be_vectorize): Likewise.
1682         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
1683
1684 2007-04-16  Lawrence Crowl  <crowl@google.com>
1685
1686         * doc/invoke.texi (Debugging Options): Add documentation for the
1687         -femit-struct-debug options -femit-struct-debug-baseonly,
1688         -femit-struct-debug-reduced, and
1689         -femit-struct-debug-detailed[=...].
1690
1691         * c-opts.c (c_common_handle_option): Add
1692         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
1693         and OPT_femit_struct_debug_detailed_.
1694         * c.opt: Add specifications for
1695         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
1696         and -femit-struct-debug-detailed[=...].
1697         * opts.c (set_struct_debug_option): Parse the
1698         -femit-struct-debug-... options.
1699         * opts.c (matches_main_base, main_input_basename,
1700         main_input_baselength, base_of_path, matches_main_base): Add
1701         variables and functions to compare header base name to compilation
1702         unit base name.
1703         * opts.c (should_emit_struct_debug): Add to determine to emit a
1704         structure based on the option.
1705         (dump_struct_debug) Also disabled function to debug this
1706         function.
1707         * opts.c (handle_options): Save the base name of the
1708         compilation unit.
1709
1710         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
1711         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
1712         This hook indicates if a type is generic.  Set it by default
1713         to "never generic".
1714         * langhooks.h (struct lang_hooks_for_types): Add a new hook
1715         to determine if a struct type is generic or not.
1716         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
1717         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
1718         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
1719         with live C++ hook.
1720
1721         * flags.h (enum debug_info_usage): Add an enumeration to describe
1722         a program's use of a structure type.
1723         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
1724         to indicate the program's usage of the type.  Filter structs based
1725         on the -femit-struct-debug-... specification.
1726         (gen_type_die): Split into two routines, gen_type_die and
1727         gen_type_die_with_usage.  gen_type_die is now a wrapper
1728         that assumes direct usage.
1729         (gen_type_die_with_usage): Replace calls to gen_type_die
1730         with gen_type_die_with_usage adding the program usage of
1731         the referenced type.
1732         (dwarf2out_imported_module_or_decl): Suppress struct debug
1733         information using should_emit_struct_debug when appropriate.
1734
1735 2007-04-16  Ian Lance Taylor  <iant@google.com>
1736
1737         PR tree-optimization/31522
1738         * tree-vrp.c (vr_phi_edge_counts): New static variable.
1739         (vrp_initialize): Allocate vr_phi_edge_counts.
1740         (vrp_visit_phi_node): Don't push to infinity if we saw a new
1741         executable edge.  Drop test for all constants.
1742         (vrp_finalize): Free vrp_phi_edge_counts.
1743
1744         * doc/cpp.texi (Common Predefined Macros): Clarify description of
1745         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1746
1747         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
1748         predecessors at head rather than tail.
1749
1750 2007-04-16  Matthias Klose  <doko@debian.org>
1751
1752         * config/alpha/linux.h (CPP_SPEC): Define.
1753         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
1754
1755 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
1756
1757         * function.h: Remove sequence_stack extern declaration.
1758
1759 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1760
1761         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
1762         TARGET_FIDOA.
1763         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
1764         defined.
1765
1766 2007-04-16  Anatoly Sokolov <aesok@post.ru>
1767
1768         * config/avr/avr.c (avr_arch_types): Rearranging  array.
1769         (enum avr_arch): Add.
1770         (avr_mcu_types): Use avr_arch enumeration constants instead of
1771         numbers.
1772         * config/avr/avr.h (LINK_SPEC): Simplify.
1773
1774 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1775
1776         * config/m68k/m68k.c (m68k_libcall_value,
1777         m68k_function_value): Use macros for register names more.
1778
1779         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
1780         instead.
1781         (M68K_REGNAME): Use A6_REG.
1782         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
1783
1784 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1785
1786         PR middle-end/28071
1787         * sched-int.h (struct deps): Split field 'pending_lists_length' into
1788         'pending_read_list_length' and 'pending_write_list_length'.  Update
1789         comment.
1790         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
1791         to handle two length counters instead of one.  Update all uses.
1792         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
1793         two length counters instead of one.
1794         * sched-rgn.c (propagate_deps): Update to handle two length counters
1795         instead of one.
1796
1797 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
1798
1799         PR target/31582
1800         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
1801         copy of source, pass it to ix86_expand_vector_set and return
1802         it as target.
1803
1804 2007-04-16  David Ung  <davidu@mips.com>
1805             Joseph Myers  <joseph@codesourcery.com>
1806
1807         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
1808         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
1809         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1810         Add 74K processor information.
1811         * config/mips/mips.md: Include 74k.md.
1812         (cpu): Add 74kc,74kf,74kx.
1813         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
1814         * config/mips/74k.md: New.
1815         * doc/invoke.texi (MIPS Options): Document 74K support.
1816
1817 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
1818
1819         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
1820         vectorizable_* functions.
1821         * tree-vect-transform.c (vectorizable_call): Add check for
1822         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
1823         (vectorizable_store): likewise.
1824         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
1825         Add comments.
1826         (vectorizable_operation, vectorizable_type_demotion): Likewise.
1827         (vectorizable_type_promotion, vectorizable_load): Likewise.
1828         (vectorizable_live_operation, vectorizable_condition): Likewise.
1829         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
1830         STMT_VINFO_LIVE_P.
1831         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
1832
1833 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1834
1835         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
1836         register numbers more.
1837         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
1838         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
1839         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
1840         FUNCTION_VALUE_REGNO_P): Likewise.
1841         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
1842         STATIC_CHAIN_REGNUM): Likewise.
1843         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
1844         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
1845         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
1846         * config/m68k/m68k.md (FP_REG): New.
1847
1848 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1849
1850         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
1851         alignment on fido.
1852
1853 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1854
1855         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
1856         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
1857         comment typos.
1858
1859 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1860
1861         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
1862         cold loops.
1863
1864 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1865
1866         PR c/31520
1867         * c-decl.c (finish_decl): Grab the type of the decl after the call
1868         to store_init_value.
1869
1870 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
1871
1872         * common.opt (fforward-propagate): Fix "Optimization" annotation.
1873
1874 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
1875
1876         PR c++/25874
1877         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1878         post dominators and cleanup cfg before returning.
1879
1880 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
1881
1882         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
1883         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
1884
1885 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
1886
1887         * config.gcc: Recognize fido.
1888         * config/m68k/m68k-devices.def (fidoa): New.
1889         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
1890         __mfido__.
1891         (FL_FIDOA, TARGET_FIDOA): New.
1892         * config/m68k/m68k.opt (mfidoa): New.
1893
1894 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1895
1896         PR middle-end/31322
1897         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
1898         when a personality function is used.
1899
1900 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
1901
1902         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
1903
1904 2007-04-13  Mike Stump  <mrs@apple.com>
1905
1906         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
1907         we can...
1908         * config/darwin.opt (fapple-kext): Make C++ only.
1909         * config/darwin.c (darwin_override_options): Remove code to ensure
1910         -fapple-kext is given for C++ only.
1911
1912 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
1913
1914         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1915         * config/mips/mips.c (override_options): Call
1916         SUBTARGET_OVERRIDE_OPTIONS, if defined.
1917
1918 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1919
1920         * config/i386/i386.opt (msvr3-shlib): Removed.
1921
1922         * doc/invoke.texi: Remove -msvr3-shlib.
1923
1924 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1925
1926         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
1927         with "popcnt" instruction.
1928
1929 2007-04-13  Richard Guenther  <rguenther@suse.de>
1930
1931         PR tree-optimization/21258
1932         * tree-vrp.c (compare_case_labels): New helper.
1933         (find_switch_asserts): New function.
1934         (find_assert_locations): Call it for SWITCH_EXPRs.
1935
1936 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
1937
1938         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
1939         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
1940         check is now implied in X87_FLOAT_MODE_P.
1941         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1942         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1943         (fix_trunc<mode>_i386_fisttp): Ditto.
1944         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1945         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1946         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1947         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1948         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1949         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1950         (unnamed_splitters): Ditto.
1951         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
1952         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
1953         FIRST_SSE_REG for local functions when SSE math is enabled or
1954         for functions with sseregparm attribute.
1955         (standard_80387_constant_p): Return -1 if mode is not
1956         X87_FLOAT_MODE_P.
1957         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
1958         (ix86_expand_compare): Ditto.
1959         (ix86_expand_carry_flag_compare): Ditto.
1960         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
1961         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
1962         DECIMAL_FLOAT_MODE_P.
1963         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
1964         of SCALAR_FLOAT_MODE_P.
1965         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
1966         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
1967         checks before FLOAT_MODE_P.
1968         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
1969         before FLOAT_MODE_P.
1970         [DIV]: Ditto.
1971         [NEG]: Ditto.
1972         [ABS]: Ditto.
1973         [SQRT]: Ditto.
1974         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
1975
1976 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
1977             Charles Wilson  <libtool@cwilson.fastmail.fm>
1978
1979         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
1980         (libgcc.mvars): Don't depend on them.
1981         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
1982         * exec-tool.in: New.
1983
1984 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
1985
1986         * doc/invoke.text (--help): Document --help=common.
1987
1988 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
1989
1990         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
1991
1992 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1993
1994         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
1995         * genemit.c (main): Emit #include "integrate.h".
1996         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
1997         (LOADGP_RTP): New mips_loadgp_style.
1998         * config/mips/mips.h: Include config/vxworks-dummy.h.
1999         (TARGET_RTP_PIC): New macro.
2000         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
2001         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
2002         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
2003         for TARGET_RTP_PIC.
2004         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
2005         -mvxworks-pic when using -mrtp and a PIC option.
2006         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
2007         for RTP PIC.
2008         (mips_symbolic_constant_p, mips_symbolic_address_p)
2009         (mips_symbol_insns): Handle SYMBOL_HALF.
2010         (override_options): Warn about -G and -mrtp being used together.
2011         Initialize mips_lo_relocs[SYMBOL_HALF].
2012         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
2013         (mips_emit_loadgp): Handle LOADGP_RTP.
2014         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
2015         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
2016         (tablejump): Handle function-relative case table entries if
2017         TARGET_RTP_PIC.
2018         * config/mips/predicates.md (symbol_ref_operand): New predicate.
2019
2020 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2021
2022         * config/mips/mips.md (load_call<mode>): Allow any general register.
2023         destination.
2024         (sibcall_value_internal, sibcall_value_multiple_internal)
2025         (call_value_internal, call_value_split, call_value_multiple_internal)
2026         (call_value_multiple_split): Remove constraints from operand 0.
2027
2028 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2029
2030         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
2031         rather than loadgp_noshared.
2032         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
2033         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
2034         gen_loadgp.
2035         * config/mips/mips.md (loadgp): Rename to...
2036         (loadgp_newabi): ...this.
2037         (loadgp_noshared): Rename to...
2038         (loadgp_absolute): ...this.
2039
2040 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2041
2042         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
2043         false for locally-binding symbols.
2044         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
2045
2046 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2047
2048         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
2049         (SYMBOL_GOT_PAGE_OFST): ...this.
2050         (SYMBOL_GOT_GLOBAL): Rename to...
2051         (SYMBOL_GOT_DISP): ...this.
2052         (SYMBOL_GOTOFF_GLOBAL): Rename to...
2053         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
2054         * config/mips/mips.c (mips_global_symbol_p): New function.
2055         (mips_symbol_binds_local_p): Likewise.
2056         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
2057         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
2058         and mips_symbol_binds_local_p.
2059         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
2060         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
2061         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
2062         SYMBOL_GOTOFF_DISP.
2063         (mips_ok_for_lazy_binding_p): New function.
2064         (mips_load_call_address, mips_expand_call): Use it.
2065         (mips_dangerous_for_la25_p): Likewise.
2066         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
2067         (*got_disp<mode>): Use got_disp_operand instead of
2068         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
2069         SYMBOL_GOTOFF_GLOBAL.
2070         (*got_page<mode>): Use got_page_ofst_operand instead of
2071         local_got_operand.
2072         * config/mips/predicates.md (const_call_insn_operand): Use
2073         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
2074         (global_got_operand): Rename to...
2075         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
2076         SYMBOL_GOT_GLOBAL.
2077         (local_got_operand): Rename to...
2078         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
2079         of SYMBOL_GOT_LOCAL.
2080
2081 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2082
2083         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
2084         TARGET_CALL_CLOBBERED_GP.
2085         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2086         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
2087         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
2088         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
2089         of TARGET_ABICALLS && !TARGET_NEWABI.
2090         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2091         * config/mips/mips.c (mips_load_call_address): Check
2092         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2093         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2094         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2095         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
2096         TARGET_ABICALLS && TARGET_NEWABI.
2097         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
2098         TARGET_ABICALLS.
2099         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
2100         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
2101         TARGET_ABICALLS && TARGET_NEWABI.
2102         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
2103         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
2104         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
2105         whether indirect calls must use $25.
2106         (mips_extra_live_on_entry): Check TARGET_GOT instead of
2107         TARGET_ABICALLS.
2108         * config/mips/mips.md (jal_macro): Check flag_pic and
2109         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
2110         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
2111         instead of TARGET_ABICALLS.
2112         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
2113         TARGET_ABICALLS && TARGET_OLDABI.
2114         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2115         (sibcall): In the comment above the define_insn, mention
2116         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
2117         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
2118         instead of TARGET_ABICALLS.
2119
2120 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2121
2122         * doc/md.texi (Blackfin family constraints): Document PA and PB.
2123         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
2124         (MACFLAGS_MATCH_P): New macro.
2125         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
2126         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
2127         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
2128         the other MACFLAG constants.
2129         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
2130         (flag_machi): Tighten constraints.  Renumber some of the operands.
2131         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
2132         output template.
2133         (flag_machi_parts_acconly): New pattern.
2134         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
2135         used.
2136         (flag_macinit1hi): Tighten constraints.
2137         (flag_mul_macv2hi_parts_acconly): New pattern.
2138
2139         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
2140         Use a more efficient implementation.
2141         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
2142         inline sequences when not optimizing for size.
2143
2144         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
2145         movhi_high2low): Delete, merge functionality into...
2146         (packv2hi): ... this pattern.
2147
2148         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
2149         * config/bfin/bfin.opt (msim): New option.
2150         (mcpu=): New option.
2151         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
2152         (bfin_cpu_t): Typedef of enum bfin_cpu.
2153         (bfin_cpu_type): New declaration.
2154         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
2155         -msim and -mcpu= options.
2156         (LIB_SPEC): Likewise.
2157         * config/bfin/bfin.c (bfin_cpu_type): Define.
2158         (bfin_handle_option): Handle -mcpu= option.
2159         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
2160         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
2161         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
2162
2163 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2164
2165         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
2166         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
2167         (powerpc-wrs-vxworksae): Use ${tm_file}.
2168         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
2169         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
2170         * config/i386/vx-common.h: New file.
2171
2172 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2173
2174         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
2175         of crt0.o%s.
2176
2177 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2178
2179         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
2180         ldxtr.
2181
2182 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
2183
2184         PR c++/31078
2185         PR c++/31103
2186         * c-common.c (c_build_qualified_type): Set canonical type
2187         appropriately.
2188
2189 2007-04-12  Richard Guenther  <rguenther@suse.de>
2190
2191         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
2192         lower bound and element size if lower bound is not zero
2193         or either of the ARRAY_REF operands is set.
2194
2195 2007-04-12  Richard Guenther  <rguenther@suse.de>
2196
2197         PR tree-optimization/24689
2198         PR tree-optimization/31307
2199         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
2200         indices by value.
2201         * gimplify.c (canonicalize_addr_expr): To be consistent with
2202         gimplify_compound_lval only set operands two and three of
2203         ARRAY_REFs if they are not gimple_min_invariant.  This makes
2204         it never at this place.
2205         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
2206
2207 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2208
2209         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
2210         null before emitting a .nsubspa directive.
2211
2212 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2213
2214         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
2215         need_to_partition_p if there are no memory statements in the
2216         function.
2217
2218 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2219
2220         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
2221         (gcd_of_steps_may_divide_p): New function.
2222         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
2223
2224 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2225
2226         * reload.c (find_reloads_toplev, find_reloads_address,
2227         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
2228         not a pointer equality test, to decide if we need to call
2229         push_reg_equiv_alt_mem.
2230
2231 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
2232
2233         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
2234         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
2235         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
2236
2237 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2238
2239         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
2240         vector to be positive.
2241
2242 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2243
2244         PR 30735
2245         PR 31090
2246         * doc/invoke.texi: Document --params max-aliased-vops and
2247         avg-aliased-vops.
2248         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
2249         debug_memory_partitions): Move to tree-flow.h
2250         * params.h (AVG_ALIASED_VOPS): Define.
2251         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
2252         users.
2253         (mp_info_t): Likewise.
2254         (get_mem_sym_stats_for): New.
2255         (set_memory_partition): Move from tree-flow-inline.h.
2256         (mark_non_addressable): Only clear the set of symbols for the
2257         partition if it exists.
2258         (dump_memory_partitions): Move from tree-ssa-operands.c
2259         (debug_memory_partitions): Likewise.
2260         (need_to_partition_p): New.
2261         (dump_mem_ref_stats): New.
2262         (debug_mem_ref_stats): New.
2263         (dump_mem_sym_stats): New.
2264         (debug_mem_sym_stats): New.
2265         (update_mem_sym_stats_from_stmt): New.
2266         (compare_mp_info_entries): New.
2267         (mp_info_cmp): Call it.
2268         (sort_mp_info): Change argument to a list of mem_sym_stats_t
2269         objects.
2270         (get_mpt_for): Move from tree-ssa-operands.c.
2271         (find_partition_for): New.
2272         (create_partition_for): Remove.
2273         (estimate_vop_reduction): New.
2274         (update_reference_counts): New.
2275         (build_mp_info): New.
2276         (compute_memory_partitions): Refactor.
2277         Document new heuristic.
2278         Call build_mp_info, update_reference_counts,
2279         find_partition_for and estimate_vop_reduction.
2280         (compute_may_aliases): Populate virtual operands before
2281         calling debugging dumps.
2282         (delete_mem_sym_stats): New.
2283         (delete_mem_ref_stats): New.
2284         (init_mem_ref_stats): New.
2285         (init_alias_info): Call it.
2286         (maybe_create_global_var): Remove alias_info argument.
2287         Get number of call sites and number of pure/const call sites
2288         from gimple_mem_ref_stats().
2289         (dump_alias_info): Call dump_memory_partitions first.
2290         (dump_points_to_info_for): Show how many times a pointer has
2291         been dereferenced.
2292         * opts.c (decode_options): For -O2 set --param
2293         max-aliased-vops to 500.
2294         For -O3 set --param max-aliased-vops to 1000 and --param
2295         avg-aliased-vops to 3.
2296         * fortran/options.c (gfc_init_options): Remove assignment to
2297         MAX_ALIASED_VOPS.
2298         * tree-flow-inline.h (gimple_mem_ref_stats): New.
2299         * tree-dfa.c (dump_variable): Dump memory reference
2300         statistics.
2301         Dump NO_ALIAS* settings.
2302         (referenced_var_lookup): Tidy.
2303         (mem_sym_stats): New.
2304         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
2305         and ORIG are different SSA names for a memory partition.
2306         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
2307         * tree-flow.h (struct mem_sym_stats_d): Define.
2308         (mem_sym_stats_t): Define.
2309         (struct mem_ref_stats_d): Define.
2310         (struct gimple_df): Add field mem_ref_stats.
2311         (enum noalias_state): Define.
2312         (struct var_ann_d): Add bitfield noalias_state.
2313         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
2314         debug_mem_ref_stats, debug_memory_partitions,
2315         debug_mem_sym_stats): Declare.
2316         * tree-ssa-structalias.c (update_alias_info): Update call
2317         sites, pure/const call sites and asm sites in structure
2318         returned by gimple_mem_ref_stats.
2319         Remove local variable IS_POTENTIAL_DEREF.
2320         Increase NUM_DEREFS if the memory expression is a potential
2321         dereference.
2322         Call update_mem_sym_stats_from_stmt.
2323         If the memory references memory, call
2324         update_mem_sym_stats_from_stmt for all the direct memory
2325         symbol references found.
2326         (intra_create_variable_infos): Set noalias_state field for
2327         pointer arguments according to the value of
2328         flag_argument_noalias.
2329         * tree-ssa-structalias.h (struct alias_info): Remove fields
2330         num_calls_found and num_pure_const_calls_found.
2331         (update_mem_sym_stats_from_stmt): Declare.
2332         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2333         Set default value to 100.
2334         (PARAM_AVG_ALIASED_VOPS): Define.
2335
2336 2007-04-11  Richard Guenther  <rguenther@suse.de>
2337
2338         PR middle-end/31530
2339         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2340         a * -b + c as c - a * b if we honor sign dependent rounding.
2341
2342 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2343
2344         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2345         bfin_expand_strmov.
2346         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2347         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2348         variables.
2349         (initialize_trampoline): Don't use old-style function definition.
2350         (bfin_secondary_reload): Mark IN_P argument as unused.
2351
2352 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
2353
2354         PR tree-optimization/31343
2355         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2356         (build_polynomial_chrec): Return a scalar when the evolution is zero.
2357         * testsuite/gcc.dg/vect/pr31343.c: New.
2358
2359 2007-04-10  Eric Christopher  <echristo@apple.com>
2360
2361         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
2362         * config/i386/i386.md (*cmpfp0): Use.
2363         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2364         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2365         (fix_trunc<mode>_i386_fisttp): Ditto.
2366         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2367         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2368         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2369         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2370         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2371         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2372         (unnamed_splitters): Ditto.
2373         * config/i386/i386.c (output_fix_trunc): Assert that
2374         we're not being passed a TFmode operand.
2375
2376 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
2377
2378         PR tree-optimization/31526
2379         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
2380         n_basic_blocks to find newly added blocks.
2381
2382 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
2383
2384         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
2385         alternative.
2386         (fix_trunc<mode>si_sse): Ditto.
2387         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
2388         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
2389         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
2390         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
2391         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
2392         expander using SSEMODEF mode macro.
2393         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2394         expander using SSEMODEF mode macro.
2395         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2396         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2397         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2398         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2399         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2400         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2401         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2402         Macroize insn using X87MODEF mode macro.
2403
2404 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2405
2406         * config/i386/sse.md (sse2_pinsrw): Removed.
2407         (sse2_pextrw): Renamed to ...
2408         (*sse2_pextrw): This.
2409
2410 2007-04-09  Jan Hubicka  <jh@suse.cz>
2411
2412         PR target/27869
2413         * config/i386/sse.md
2414         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
2415         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
2416         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
2417         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
2418
2419 2007-04-09  Jan Hubicka  <jh@suse.cz>
2420
2421         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
2422         multiple fields of union.
2423
2424 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
2425
2426         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
2427         (create_preheaders): Check that loops are available.
2428         (fix_loop_structure): Clean up, improve comments.
2429         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
2430         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
2431         state flags.
2432         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
2433         * predict.c (tree_estimate_probability): Do not call
2434         calculate_dominance_info.  Call create_preheaders.
2435         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
2436         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
2437         flags.
2438         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
2439         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
2440         * tree-cfg.c (tree_split_edge): Make an assert more precise.
2441         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
2442         arguments.
2443
2444 2007-04-08  Jan Hubicka  <jh@suse.cz>
2445
2446         * tree.h (maybe_fold_offset_to_component_ref): Declare.
2447         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
2448         * fold-const.c (fold_unary): Use it.
2449
2450 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2451
2452         * varasm.c (assemble_variable): Remove call to
2453         lang_hooks.decls.prepare_assemble_variable.
2454         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
2455         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
2456         * langhooks.h (lang_hooks_for_decls): Remove
2457         prepare_assemble_variable.
2458
2459 2007-04-08  Mike Stump  <mrs@apple.com>
2460
2461         * config/i386/i386.c: Use inc/dec on Core2.
2462
2463 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
2464
2465         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
2466         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2467         lhd_tree_inlining_end_inlining): Remove.
2468         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
2469         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
2470         end_inlining hooks.
2471         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
2472         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2473         lhd_tree_inlining_end_inlining): Remove prototypes.
2474         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
2475         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2476         LANG_HOOKS_TREE_INLINING_START_INLINING,
2477         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
2478
2479         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
2480         not set it.
2481
2482 2007-04-08  Anatoly Sokolov <aesok@post.ru>
2483
2484         PR target/29932
2485         * config/avr/predicates.md (io_address_operand): Delete predicate.
2486         (low_io_address_operand): Don't use 'mode' argument.
2487         (higth_io_address_operand): Rename ...
2488         (high_io_address_operand): ... to this. Don't use 'mode' argument.
2489         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
2490         for above change.
2491
2492 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
2493
2494         Revert change removing staticp.
2495
2496 2007-04-07  Anatoly Sokolov <aesok@post.ru>
2497
2498         PR target/30289
2499         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
2500         earlyclobber.
2501
2502 2007-04-07  Bruce Korb  <bkorb@gnu.org>
2503
2504         * c.opt: Add -Wformat-contains-nul.
2505         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
2506           -Wformat setting.
2507         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
2508         the NUL byte warning.
2509
2510 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
2511
2512         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
2513
2514 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2515
2516         * tree.c (staticp): No longer use staticp langhook.
2517         * langhooks.c (lhd_staticp): Removed.
2518         * langhooks.h (struct lang_hooks): Remove staticp.
2519         * c-common.c (c_staticp): Remove.
2520         * c-common.h (c_staticp): Ditto.
2521         * langhooks-defs.h (lhd_staticp): Ditto.
2522         (LHD_HOOKS_STATICP): Ditto
2523         * tree.h (gcc_assert_lowered): New macro.
2524
2525 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2526
2527         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
2528         argument "reliable".
2529         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
2530         Add argument "reliable".  Propagate it through calls.
2531         (infer_loop_bounds_from_undefined):  Derive number of iterations
2532         estimates from references in blocks that do not dominate loop latch.
2533         (gcov_type_to_double_int): New function.
2534         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
2535         and expected_loop_iterations_unbounded.
2536         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
2537         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
2538         * tree-data-ref.c (estimated_loop_iterations): Export.
2539         (get_references_in_stmt): Fix -- do not return addresses of local
2540         objects.
2541         * cfgloop.h (expected_loop_iterations_unbounded,
2542         estimated_loop_iterations): Declare.
2543
2544 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
2545
2546         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2547
2548 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2549
2550         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
2551         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
2552         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
2553         Use output_387_reg_move().
2554         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
2555         expander using X87MODEF12 mode macro.
2556         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
2557         choosing register preferences.  Use output_387_reg_move().
2558         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
2559         instead of "x".  Use output_387_reg_move().
2560         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
2561         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
2562         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
2563         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
2564         Use output_387_reg_move().
2565         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2566         mode macro.
2567         (*truncxf?f_i387 splitter): Ditto.
2568
2569 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2570
2571         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2572         LANG_HOOKS_SAFE_FROM_P.
2573         * expr.c (safe_from_p): Remove langhook call.
2574         * langhooks.h (lang_hooks): Remove safe_from_p.
2575         (lhd_safe_from_p): Remove prototype.
2576         * langhooks.c (lhd_safe_from_p): Remove.
2577
2578 2007-04-06  Jan Hubicka  <jh@suse.cz>
2579
2580         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2581         functions.
2582
2583 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2584
2585         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2586         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2587         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2588         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2589         alternative.
2590         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2591         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2592
2593 2007-04-05  Richard Henderson  <rth@redhat.com>
2594
2595         * config/alpha/alpha.c (print_operand) [+]: Remove.
2596         (alpha_end_function): Print nop if call at end of function.
2597         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2598         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2599         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2600         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2601         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2602         the call pattern. Update peepholes to match.
2603
2604 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
2605
2606         * doc/extend.texi (Other Builtins): Add decimal float variants
2607         of signbit.
2608         * builtins.def: Ditto.
2609         * builtins.c (expand_builtin): Ditto.
2610
2611 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
2612             H.J. Lu  <hongjiu.lu@intel.com>
2613
2614         PR target/31478
2615         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2616         of V8HImode when calling ix86_binary_operator_ok.
2617         (sse2_pmaddwd): Call ix86_binary_operator_ok.
2618         (sdot_prodv8hi): Operands 1 and 2 must be register.
2619
2620 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2621
2622         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2623         initialize align to silence bogus warning.
2624
2625 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2626
2627         PR middle-end/22156
2628         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2629         all_no_warning.
2630         (struct sra_walk_fns): Remove use_all parameter from use.
2631         (sra_hash_tree): Handle BIT_FIELD_REFs.
2632         (sra_elt_hash): Don't hash bitfld blocks.
2633         (sra_elt_eq): Skip them in parent compares as well.  Handle
2634         BIT_FIELD_REFs.
2635         (sra_walk_expr): Don't maintain or pass down use_all_p.
2636         (scan_use): Remove use_all parameter.
2637         (scalarize_use): Likewise.  Re-expand assignment to
2638         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2639         output, and re-scalarize after output.  Don't mark anything
2640         for no warning.
2641         (scalarize_ldst): Adjust.
2642         (scalarize_walk_gimple_modify_statement): Likewise.
2643         (build_element_name_1): Handle BIT_FIELD_REFs.
2644         (instantiate_element): Don't warn for any element whose parent
2645         is used as a whole.
2646         (instantiate_missing_elements_1): Return the sra_elt.
2647         (canon_type_for_field): New.
2648         (try_instantiate_multiple_fields): New.
2649         (instantiate_missing_elemnts): Use them.
2650         (mark_no_warning): Removed.
2651         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2652         (REPLDUP, sra_build_elt_assignment): New.
2653         (generate_copy_inout): Use them.
2654         (generate_element_copy): Likewise.  Handle bitfld differences.
2655         (generate_element_zero): Don't recurse for blocks.  Use
2656         sra_build_elt_assignment.
2657         (generate_one_element_int): Take elt instead of var.  Use
2658         sra_build_elt_assignment.
2659         (generate_element_init_1): Adjust.
2660         (scalarize_use, scalarize_copy): Use REPLDUP.
2661         (scalarize_ldst): Move assert before dereference.
2662         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2663
2664 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2665
2666         * regmove.c: Fix unused variable warnings due to previous commit.
2667
2668 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2669
2670         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
2671         (regmove_bb_head): Remove.
2672         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
2673         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
2674         problems with fixup_match_1.
2675         Don't initialize/free regmove_bb_head.
2676
2677         (reg_is_remote_constant_p): If an insn is in the same basic block
2678         but not before INSN, consider it remote, too.
2679
2680 2007-04-05  Anatoly Sokolov <aesok@post.ru>
2681
2682         PR target/25448
2683         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
2684         DECL_ASSEMBLER_NAME, not the DECL_NAME.
2685
2686 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
2687
2688         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
2689         (CONDITIONAL_REGISTER_USAGE): Likewise.
2690
2691 2007-04-04  Richard Henderson  <rth@redhat.com>
2692
2693         * config/alpha/lib1funcs.asm: Remove unused file.
2694
2695 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2696
2697         PR other/31356
2698         * opts.c (print_specific_help): Fix --help=<language>
2699         header line.
2700         (common_handle_option): Support --help=common.
2701
2702 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2703
2704         PR other/31353
2705         * gcc.c (main): Do not run the linker if
2706         print_subprocess_help indicates that it shouldn't be
2707         run.
2708
2709 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2710
2711         PR doc/31355
2712         * doc/invoke.texi (--help=): Document <languages> value, fix
2713         formatting in tables of values.
2714
2715 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
2716
2717         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
2718         dllimport attribute of virtual methods.
2719
2720 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
2721
2722         * config/score/crti.asm: Change _bss_start to __bss_start.
2723         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
2724         (OUTGOING_REG_PARM_STACK_SPACE) update.
2725         * config/score/score.opt: add options to make backend support
2726         score5, score5u, score7 and score7d.
2727         * config/score/score.md: Likewise.
2728         * config/score/misc.md: Likewise.
2729         * config/score/mac.md: Likewise.
2730         * doc/invoke.texi: Likewise.
2731         * doc/md.texi: update constraints define.
2732
2733 2007-04-03  Richard Henderson  <rth@redhat.com>
2734
2735         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
2736         an appropriate type, use the mode instead.
2737
2738 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
2739
2740         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
2741         Set the default --with-arch setting to mips2.
2742         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
2743         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
2744         (MULTILIB_OSDIRNAMES): Delete.
2745         (MULTILIB_DIRNAMES): Define.
2746         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
2747         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
2748         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
2749         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
2750         VXWORKS_OS_CPP_BUILTINS.
2751         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
2752         (MIPS_DEBUGGING_INFO): Undefine.
2753         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
2754
2755 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
2756
2757         PR middle-end/30704
2758         * fold-const.c (native_encode_real): Encode real.c provided longs
2759         as a series of 32-bit native integers.
2760         (native_interpret_real): Interpret buffer as a series of 32-bit
2761         native integers.
2762
2763 2007-04-03  Richard Guenther  <rguenther@suse.de>
2764
2765         * genpreds.c (write_insn_constraint_len): Write function
2766         optimized for CONSTRAINT_LEN implementation.
2767         (write_tm_preds_h): Output insn_constraint_len inline and
2768         use it for CONSTRAINT_LEN.
2769         (write_insn_preds_c): Don't output insn_constraint_len.
2770         * doc/md.texi (define_register_constraint): Document multi-letter
2771         constraints shall have the same length if they start with the same
2772         letter.
2773
2774 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2775
2776         PR target/31175
2777         * config/i386/i386.md (isinf<mode>2): Expand only when
2778         TARGET_C99_FUNCTIONS is set.
2779
2780 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2781
2782         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
2783         (x86_64-*-linux*): Ditto.
2784         * config/i386/i386.opt (mpc): New option.
2785         * config/i386/i386.c (overrride_options): Handle
2786         ix87_precision_string.
2787         * config/i386/crtprec.c: New file.
2788         * config/i386/t-crtpc: Ditto.
2789         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
2790         and -mpc80 options.
2791         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
2792         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2793         crtprec32.o, crtprec64.o and crtprec80.o.
2794
2795         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
2796         and -mpc80 options.
2797         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
2798
2799 2007-04-02  Eric Christopher  <echristo@apple.com>
2800
2801         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
2802         limitations on darwin.
2803
2804 2007-04-02  Anatoly Sokolov <aesok@post.ru>
2805
2806         PR target/31137
2807         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
2808
2809 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2810
2811         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
2812
2813 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2814
2815         * libgcc2.h (exception_descriptor): Don't forward-declare.
2816         (__get_eh_table_language, __get_eh_table_version): Delete
2817         prototypes of long-dead functions.
2818
2819 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
2820
2821         * ebitmap.h: New file
2822         * ebitmap.c: New file
2823         * Makefile.in (ebitmap.o): New target.
2824
2825 2007-04-01  Jan Hubicka  <jh@suse.cz>
2826
2827         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
2828         before very first instruction.
2829
2830 2007-04-01  Jan Hubicka  <jh@suse.cz>
2831
2832         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
2833         waring on 64bit hosts.
2834         * bitmap.h: Fix typo in bitmap_head_def.
2835
2836 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2837
2838         PR rtl-optimization/31391
2839         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
2840         into a DELETED_LABEL note, and the label is in an empty basic
2841         block, update BB_END as well as BB_HEAD.
2842
2843 2007-04-01  Richard Henderson  <rth@redhat.com>
2844
2845         PR tree-optimization/31169
2846         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
2847         to varying if the range is outside [0,  prec-1].
2848
2849 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
2850
2851         PR target/31388
2852         * config/mips/mips.md (load_const_gp): New insn.
2853         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
2854         the MIPS16 GP pseudo register if no_new_pseudos.
2855         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
2856
2857 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2858
2859         PR target/31364
2860         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
2861         secureplt.
2862         (call_value): Likewise.
2863
2864 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
2865             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2866
2867         PR 14737
2868         * doc/invoke.texi: (optimization options): Reword description
2869         of -ffast-math. Document its primary purpose.
2870
2871 2007-03-31  Richard Guenther  <rguenther@suse.de>
2872
2873         * omp-low.c (splay-tree.h): Include.
2874         (lookup_decl): Replace splay-tree usage by pointer-map.
2875         (maybe_lookup_decl): Likewise.
2876         (new_omp_context): Likewise.
2877         (delete_omp_context): Likewise.
2878         * gimplify.c (splay-tree.h): Include.
2879         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
2880         pointer-map.
2881         (remap_ssa_name): Likewise.
2882         (remap_decl): Likewise.
2883         (remap_type_1): Likewise.
2884         (remap_type): Likewise.
2885         (copy_body_r): Likewise.
2886         (expand_call_inline): Likewise.
2887         (clone_body): Likewise.
2888         (copy_tree_r): Likewise.
2889         (remap_save_expr): Likewise.
2890         (unsave_r): Likewise.
2891         (unsave_expr_now): Likewise.
2892         (tree_function_versioning): Likewise.
2893         (build_duplicate_type): Likewise.
2894         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
2895         (struct copy_body_data): Replace splay-tree by pointer-map.
2896         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
2897         not $(SPLAY_TREE_H).
2898         (gimplify.o): Depend on $(SPLAY_TREE_H).
2899         (omp-low.p): Likewise.
2900
2901 2007-03-31  Anatoly Sokolov <aesok@post.ru>
2902
2903         * config/avr/predicates.md (even_register_operand,
2904         odd_register_operand): New predicates.
2905         * config/avr/avr.md (movw peephole2): New.
2906         (movw_r peephole2): New.
2907
2908 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
2909
2910         * tree.h (get_signed_or_unsigned_type): New.
2911         * fold-const.c (operand_equal_for_comparison_p): Use
2912         get_signed_or_unsigned_type instead of
2913         lang_hooks.types.signed_or_unsigned_type.
2914         * expr.c (store_expr): Ditto.
2915         * langhooks.c (get_signed_or_unsigned_type): New.
2916         (lhd_signed_or_unsigned_type): New.
2917         * langhooks.h (lhd_signed_or_unsigned_type): New.
2918         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
2919
2920 2007-03-30  Richard Henderson  <rth@redhat.com>
2921
2922         * tree-ssa-loop-ivopts.c: Include target.h.
2923         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
2924         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
2925         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
2926         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
2927
2928 2007-03-30  Richard Henderson  <rth@redhat.com>
2929             Kai Tietz  <kai.tietz@onevision.com>
2930
2931         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
2932         default for 64-bit.
2933         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
2934         (TARGET_64BIT_MS_ABI): New.
2935         (DBX_REGISTER_NUMBER): Handle 64-bit.
2936         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
2937         (LONG_TYPE_SIZE): Force to 32.
2938         (REG_PARM_STACK_SPACE): New.
2939         (OUTGOING_REG_PARM_STACK_SPACE): New.
2940         (REGPARM_MAX, SSE_REGPARM_MAX): New.
2941         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2942         (STACK_BOUNDARY): Use 128 for 64-bit.
2943         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
2944         Add 64-bit implementation.
2945         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
2946         argument unused.
2947         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
2948         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
2949         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
2950         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
2951         (ix86_handle_cconv_attribute): Don't warn when ignoring if
2952         TARGET_64BIT_MS_ABI.
2953         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
2954         (ix86_pass_by_reference): Likewise.
2955         (ix86_function_value_regno_p): Likewise.
2956         (ix86_build_builtin_va_list): Likewise.
2957         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2958         (function_arg_advance_ms_64): New.
2959         (function_arg_advance): Call it.
2960         (function_arg_ms_64): New.
2961         (function_arg): Call it.
2962         (function_value_ms_64): New.
2963         (ix86_function_value_1): Call it.
2964         (return_in_memory_ms_64): New.
2965         (ix86_return_in_memory): Call it.
2966         (setup_incoming_varargs_ms_64): New.
2967         (ix86_setup_incoming_varargs): Call it.
2968         (ix86_expand_prologue): Handle 64-bit stack probing.
2969         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
2970         (output_pic_addr_const): Likewise.
2971         (x86_this_parameter): Likewise.
2972         (x86_output_mi_thunk): Likewise.
2973         (x86_function_profiler): Likewise.
2974         (TARGET_STRICT_ARGUMENT_NAMING): New.
2975         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
2976         (TARGET_64BIT_MS_ABI): New.
2977         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
2978         * config/i386/i386.md (allocate_stack_worker): Remove.
2979         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
2980         describe the clobber of eax without a match_scratch.
2981         (allocate_stack_worker_postreload): Remove.
2982         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
2983         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
2984         (allocate_stack_worker_rex64_postreload): Remove.
2985         (allocate_stack): Handle 64-bit.
2986         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
2987         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
2988         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
2989         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
2990         (STANDARD_STARTFILE_PREFIX_1): Likewise.
2991         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
2992         * config.build (x86_64-*-mingw*): New host.
2993         * config.host (x86_64-*-mingw*): New host.
2994         * config.gcc (x86_64-*-mingw*): New target.
2995         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
2996
2997 2007-03-30  Richard Henderson  <rth@redhat.com>
2998             Kai Tietz  <kai.tietz@onevision.com>
2999
3000         * c-pragma.c (struct def_pragma_macro_value): New.
3001         (struct def_pragma_macro): New.
3002         (pushed_macro_table): New.
3003         (dpm_hash, dpm_eq): New.
3004         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
3005         (init_pragma): Install them.
3006         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3007
3008 2007-03-30  Anatoly Sokolov <aesok@post.ru>
3009
3010         * config/avr/avr.c (avr_override_options): Clear
3011         'flag_delete_null_pointer_checks'.
3012
3013 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
3014
3015         PR c++/26099
3016         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
3017         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
3018         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
3019         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
3020         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
3021         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
3022         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
3023         C++ extensions.
3024         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
3025
3026 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
3027
3028         * regmove.c: Move all of pass_stack_adjustments from here...
3029         * combine-stack-adj.c: ...to this new file.
3030         * Makefile.in: Add rules for combine-stack-adj.o.
3031
3032 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
3033
3034         PR tree-optimization/31383
3035         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
3036         to have the same length.
3037
3038 2007-03-30  Jan Hubicka  <jh@suse.cz>
3039
3040         PR middle-end/30700
3041         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
3042         availablility; add more sanity checking; ask varpool only about
3043         VAR_DECL.
3044
3045 2007-03-29  Richard Henderson  <rth@redhat.com>
3046
3047         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
3048         to decide, but __SIZEOF_LONG_LONG__.
3049
3050 2007-03-29  Richard Henderson  <rth@redhat.com>
3051
3052         * emutls.c (struct __emutls_array): New.
3053         (emutls_destroy): Use it instead of casting element 0 from void*.
3054         (__emutls_get_address): Likewise.
3055
3056 2007-03-29  Richard Henderson  <rth@redhat.com>
3057
3058         * varasm.c (initializer_constant_valid_p): Don't deny
3059         DECL_DLLIMPORT_P on functions.
3060
3061         * config/i386/cygming.h: Remove function declarations.
3062         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
3063         (ASM_OUTPUT_LABELREF): Remove.
3064         (COMMON_ASM_OP): Remove.
3065         (ASM_OUTPUT_COMMON): Remove.
3066         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
3067         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
3068         (ASM_DECLARE_FUNCTION_NAME): Likewise.
3069         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
3070         Rename from TARGET_ENCODE_SECTION_INFO.
3071         * config/i386/netware.h: Likewise.
3072         * config/i386/i386-protos.h: Update.
3073         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
3074         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
3075         (legitimate_constant_p): Reject dllimports.
3076         (dllimport_map, get_dllimport_decl): New.
3077         (legitimize_dllimport_symbol): New.
3078         (legitimize_address, ix86_expand_move): Use it.
3079         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
3080         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
3081         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
3082         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
3083         * config/i386/predicates.md (constant_call_address_operand): Only
3084         accept symbols; reject dllimport_p symbols.
3085         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
3086         i386_pe_maybe_record_exported_symbol.
3087         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
3088         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
3089         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
3090         trust the setting of DECL_DLLIMPORT_P.
3091         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
3092         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
3093         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
3094         tidy the argument scanning loop.
3095         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
3096         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
3097         (i386_pe_strip_name_encoding): Remove.
3098         (i386_pe_binds_local_p): New.
3099         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
3100         (i386_pe_output_labelref): Remove.
3101         (i386_pe_asm_output_aligned_decl_common): New.
3102         (i386_pe_maybe_record_exported_symbol): Rename from
3103         i386_pe_record_exported_symbol; check for dllexported symbols.
3104
3105 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
3106
3107         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
3108         add comment explaining why vsnprintf cannot be used.
3109
3110 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
3111
3112         PR tree-optimization/30666
3113         * tree.c (build_complex_type): When creating type names for DWARF2
3114         debug info, create TYPE_DECLs for TYPE_NAME instead of
3115         IDENTIFIER_NODEs.
3116         (build_common_tree_nodes_2): Use build_complex_type when building
3117         predefined complex types, to preserve canonical types.
3118
3119 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3120
3121         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
3122         (noce_get_alt_condition): Look at it to determine whether to
3123         reverse the condition or not.
3124         (noce_get_condition): Substitute the truth for lies.
3125         (noce_find_if_block): Set the then_else_reversed field.
3126
3127 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
3128
3129         * config/fr30/fr30.md (movdi): Do not accept immediates as the
3130         destination of this insn.
3131         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
3132         than calling gen_rtx_SET directly.  Use r0 to hold the value of
3133         'address + 4' rather than a stack based temporary which can be
3134         mis-optimized away.
3135
3136 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3137
3138         * config/s390/s390.c (s390_secondary_input_reload_class,
3139         s390_secondary_output_reload_class): Functions removed.
3140         (s390_secondary_reload): New function.
3141         (TARGET_SECONDARY_RELOAD): Target macro defined.
3142         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
3143         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
3144         * config/s390/s390.md ("reload_outti", "reload_outdi",
3145         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
3146         "reload_out<mode>"): Expanders removed.
3147         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
3148         "reload<mode>_nonoffmem_out"): Expanders added.
3149
3150 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3151
3152         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
3153         SRC->DEST replacement failed anyway.
3154
3155 2007-03-28  Mike Stump  <mrs@apple.com>
3156
3157         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
3158         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
3159         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
3160
3161 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3162
3163         * config.gcc: Accept barcelona as a variant of amdfam10.
3164         * config/i386/i386.c (override_options): Likewise.
3165         * doc/invoke.texi: Likewise.
3166
3167 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
3168
3169         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
3170         offsets for BIT_FIELD_REF and COMPONENT_REF.
3171
3172 2007-03-28  Richard Guenther  <rguenther@suse.de>
3173
3174         * tree.c (is_global_var): Move ...
3175         * tree-flow-inline.h (is_global_var): ... here.
3176         * tree.h (is_global_var): Remove declaration.
3177
3178 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
3179
3180         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
3181         option.
3182         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
3183         * config/i386/i386.c (ix86_tune_features): Initialize new
3184         tuning option.
3185         * config/i386/predicates.md (promotable_binary_operator): Use
3186         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
3187
3188 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3189
3190         PR target/31380
3191         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
3192
3193 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
3194
3195         * config/fr30/fr30.md (movsi_internal): Change destination
3196         constraint from m to V and add m to the end.
3197
3198 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3199
3200         * config/sh/sh.md (movsi_i): Fix type attribute.
3201
3202 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3203
3204         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
3205         (movsf_ie): Likewise.
3206
3207 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3208
3209         * config.gcc: Add sh4-300 to multilib.
3210         * config/sh/t-mlib-sh4-300: New file.
3211
3212 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
3213
3214         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
3215         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
3216         fix_trunc<mode>di2.
3217         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
3218         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
3219         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
3220         "fixuns_trunctddi2"): Whitespace fix.
3221
3222 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3223
3224         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
3225         the definition of struct sh_args.
3226         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
3227         CALL_COOKIE_INT_REG_GET): Likewise.
3228
3229 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
3230
3231         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
3232         transformations are applied successfully.
3233
3234 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
3235
3236         * tree.c (tree_contains_struct): Permit 512 tree codes.
3237         * tree.h (tree_contains_struct): Ditto.
3238         (MAX_TREE_CODES): Ditto.
3239         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
3240         SPARE member to store remaining padding bits.
3241
3242 2007-03-27  Anatoly Sokolov <aesok@post.ru>
3243
3244         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
3245         architecture.
3246
3247 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
3248
3249         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
3250         * configure: Regenerate.
3251
3252         * configure: Regenerate using the correct version of autoconf.
3253
3254 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
3255
3256         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
3257         pointer regs.
3258         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
3259         regs to "__SP_L__" and "__SP_H__".
3260
3261 2007-03-27  Richard Guenther  <rguenther@suse.de>
3262
3263         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
3264         computations with it with a HOST_WIDE_INT variable.
3265
3266 2007-03-26  Mike Stump  <mrs@apple.com>
3267
3268         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
3269         objective-c-header, objective-c++-header and objc++-cpp-output
3270         support.
3271         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3272
3273 2007-03-26  Richard Henderson  <rth@redhat.com>
3274
3275         PR target/31361
3276         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
3277         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
3278         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
3279         IX86_BUILTIN_PSRLQ128): New.
3280         (ix86_init_mmx_sse_builtins): Add them.
3281         (ix86_expand_builtin): Expand them.
3282         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
3283         operand 2 be TImode.
3284         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
3285         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3286         _mm_srli_epi64): Mark __B const.
3287         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
3288         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
3289         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
3290         new two-vector shift builtins.
3291
3292 2007-03-26  Ian Lance Taylor  <iant@google.com>
3293
3294         PR tree-optimization/31345
3295         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
3296         [+INF, +INF(OVF)] into VARYING.
3297
3298 2007-03-26  Zack Weinberg  <zackw@panix.com>
3299
3300         * gengtype-parse.c: New file.
3301         * gengtype-yacc.y: Delete.
3302         * gengtype-lex.l: Don't include gengtype-yacc.h.
3303         Define YY_DECL and yyterminate appropriately for recursive
3304         descent parser.  yylval is now a string out-parameter to yylex.
3305         (HWS, EOID): New shorthand.
3306         (IWORD): Add a couple more types.
3307         (yylex): Add a setup stanza.  Remove the complex rules for
3308         detecting GTY'ed types and typedefs; replace with simple
3309         keyword detectors.  Adjust everything for the changed
3310         definition of yylval.  Ignore all pp-directives, not just #define.
3311         (yyerror): Delete.
3312         (parse_file): Rename yybegin; do not call yyparse.
3313         (yyend): New.
3314         * gengtype.c (xasprintf): Export again.
3315         (this_file): New.  Use everywhere __FILE__ was being used.
3316         (get_lang_bitmap): Special case types defined in gengtype.c.
3317         (do_typedef, new_structure): Suppress definition of certain types.
3318         (new_structure): Improve diagnostics of duplicate definitions.
3319         Make sure location_s is associated with input.h.
3320         (nreverse_pairs, define_location_structures): New functions.
3321         (main): Improve tagging of kludge types.  Remove old kludges
3322         for input.h types; use define_location_structures.
3323         * gengtype.h: Update prototypes.  Define token codes here.
3324         * Makefile.in: Remove all references to gengtype-yacc.
3325         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
3326         and gengtype.
3327         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3328         add GTY((skip)) to the field that's only conditionally there.
3329         * doc/install.texi: Document that Bison is no longer required
3330         unless building treelang.
3331
3332         * gengtype.c: Don't include gtyp-gen.h.
3333         (srcdir): Declare here.
3334         (base_files, lang_dir_names): Allocate dynamically.
3335         (gt_files, num_gt_files, num_lang_dirs): New globals.
3336         (measure_input_list, read_input_line, read_input_list)
3337         (set_lang_bitmap): New functions.
3338         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3339         simplify, relying on read_input_list to set up the bitmaps.
3340         (main): Arguments are no longer unused.  Check for correct number
3341         of command line arguments, set srcdir and srcdir_len, then call
3342         read_input_list, before doing anything else.  No need to worry
3343         about duplicates in main loop.
3344         * configure.ac: Simplify the calculation of all_gtfiles.
3345         Put language tags in there.  Don't set or substitute
3346         all_gtfiles_files_langs or all_gtfiles_files_frags.
3347         * Makefile.in: Revamp the way gengtype is invoked, now that it
3348         takes a file on its command line with a much simpler format.
3349         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3350         (GTFILES): Remove duplicates and C source files.
3351         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3352         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3353         * configure: Regenerate.
3354
3355         * gengtype.h: Remove all type definitions to gengtype.c; leave
3356         only definitions of options_p, type_p, and pair_p as opaque
3357         pointers.  Update prototypes.
3358         * gengtype.c: Many type definitions moved here from gengtype.h.
3359         Consolidate type definitions at the top of the file.
3360         (xvasprintf): Delete.
3361         (xasprintf): Make static.
3362         (create_nested_pointer_option): Add 'next' parameter.
3363         (create_field_all, create_field_at): New functions.
3364         (create_field): Now a thin wrapper around create_field_all.
3365         (create_optional_field): Rename create_optional_field_ and add
3366         line argument.  Original name is now a macro which supplies
3367         __LINE__.
3368         (oprintf): Use vsnprintf directly.
3369         (close_output_files): Use fatal rather than perror/exit.
3370         (note_def_vec, note_def_vec_alloc): Use create_field_at.
3371         (main): Set progname.  Don't use exit.
3372         * gengtype-yacc.y (struct_fields): Use create_field_at.
3373         (option, optionseqopt): Delete.
3374         (optionseq): Consolidate productions from option here so we
3375         can use the first argument to create_option.
3376
3377         * gengtype-lex.l: Distinguish unions from structures in the
3378         token type.  Don't call find_structure; return the tag as a string.
3379         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
3380         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
3381         Reorganize typedef_struct production accordingly.
3382         Use create_nested_ptr_option.
3383         * gengtype.c (create_nested_ptr_option): New function.
3384         * gengtype.h: Declare it.
3385
3386         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
3387         (string_type): Don't declare.
3388         (do_scalar_typedef): Declare.
3389         (create_scalar_type): Update prototype.
3390         * gengtype.c (string_type): Make static.
3391         (scalar_nonchar, scalar_char): New.
3392         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
3393         (resolve_typedef): Use scalar_nonchar for error recovery.
3394         (create_scalar_type): Remove name_len field.  Return scalar_char
3395         or scalar_nonchar as appropriate.
3396         (adjust_field_type): Look at scalar_is_char boolean to decide whether
3397         to use string_type.
3398         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3399         whenever possible.
3400         (main): Initialize scalar_char and scalar_nonchar before calling
3401         gen_rtx_next.
3402         * gengtype-lex.l: Adjust for removal of second argument to
3403         create_scalar_type.  Use yylval.s instead of yylval.t when
3404         returning SCALAR.
3405         * gengtype-yacc.y: Type of SCALAR is string.  Call
3406         create_scalar_type from type:SCALAR rule.  Adjust for removal of
3407         second argument to create_scalar_type.
3408
3409         * vec.h: Remove all #if IN_GENGTYPE blocks.
3410         Add comment saying that changes may require adjustments to gengtype.
3411         * gengtype.c: Don't include coretypes.h or tm.h.
3412         Add comment to inclusion of errors.h.
3413         (note_def_vec, note_def_vec_alloc): New functions.
3414         * gengtype.h: Declare new functions.
3415         * gengtype-lex.l: Don't include coretypes.h.
3416         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
3417         Delete.
3418         (update_lineno): Remove unnecessary prototype.
3419         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
3420         (VEC rule): Just return VEC_TOKEN.
3421         * gengtype-yacc.y (VEC_TOKEN): New token type.
3422         (type): Add a production for VEC(a,b).
3423         * Makefile.in: Update dependencies.
3424
3425         * gengtype-lex.l: Remove rules for parsing pointer-to-function
3426         typedefs that use the old PARAMS macro.
3427
3428         * gengtype-lex.l: Remove all rules and states relating to yacc
3429         input files.
3430         * gengtype-yacc.y: Similarly.
3431         * gengtype.c (note_yacc_type): Delete function.
3432         * gengtype.h: Update prototypes.
3433
3434 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
3435
3436         * tree-pretty-print.c (dump_generic_node): Report precision of
3437         unnamed integer types.
3438
3439 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
3440
3441         * ifcvt.c (noce_try_store_flag_constants): Don't check
3442         no_new_pseudos here.
3443         (noce_try_store_flag_constants): Don't check no_new_pseudos.
3444         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
3445         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
3446         noce_try_sign_mask): Likewise.
3447         (if_convert): Check no_new_pseudos here.
3448
3449         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
3450         Remove prototypes.
3451         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
3452         (noce_get_condition): Handle new then_else_reversed argument.
3453         (noce_init_if_info): Remove, fold into noce_find_if_block.
3454         (noce_process_if_block): Take a struct noce_if_info as the
3455         argument.  Don't set up one based on ce_if_info.  Update pointer
3456         references accordingly.
3457         (cond_move_process_if_block): Likewise.
3458         (process_if_block): Removed.
3459         (find_if_block): Removed.  Move functionality two new functions,
3460         noce_find_if_block and cond_exec_find_if_block.
3461         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
3462         blocks and the symmetric IF-ELSE-JOIN case.
3463         (cond_exec_find_if_block): Also new function mostly based on old
3464         find_if_block and process_if_block.
3465         (find_if_header): Replace find_if_block call with separately
3466         guarded calls to noce_find_if_block and cond_exec_find_if_block.
3467         (find_cond_trap): Update noce_get_condition call.
3468         (dead_or_predicable): Likewise.
3469
3470 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
3471
3472         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
3473         Remove.
3474         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
3475         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
3476         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
3477         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
3478         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
3479         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
3480         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
3481         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
3482         __builtin_ia32_psrad128 builtins.
3483
3484 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
3485
3486         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
3487         * config/i386/constraints.md
3488         (define_constraint "I"): Use IN_RANGE macro.
3489         (define_constraint "J"): Ditto.
3490         (define_constraint "K"): Ditto.
3491         (define_constraint "M"): Ditto.
3492         (define_constraint "N"): Ditto.
3493         (define_constraint "O"): Ditto.
3494         * config/i386/predicates.md
3495         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
3496         (define_predicate "const_0_to_3_operand"): Ditto.
3497         (define_predicate "const_0_to_7_operand"): Ditto.
3498         (define_predicate "const_0_to_15_operand"): Ditto.
3499         (define_predicate "const_0_to_63_operand"): Ditto.
3500         (define_predicate "const_0_to_255_operand"): Ditto.
3501         (define_predicate "const_1_to_31_operand"): Ditto.
3502         (define_predicate "const_2_to_3_operand"): Ditto.
3503         (define_predicate "const_4_to_7_operand"): Ditto.
3504
3505 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3506
3507         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
3508         in SImode for save_world.
3509         * config/rs6000/altivec.md (save_world, restore_world): Convert to
3510         LR hard reg.
3511
3512 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
3513
3514         PR tree-optimization/30784
3515         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
3516         BIT_FIELD_REF.
3517
3518 2007-03-25  Revital Eres  <eres@il.ibm.com>
3519
3520         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
3521           Fold movement_possibility function into it.
3522
3523 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3524
3525         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
3526         (load_macho_picbase_{si,di}): Convert to LR hard reg.
3527         (call_indirect_nonlocal_darwin64): Same.
3528         (call_nonlocal_darwin64): Same.
3529         (call_value_indirect_nonlocal_darwin64): Same.
3530         (call_value_nonlocal_darwin64): Same.
3531         (sibcall_nonlocal_darwin64): Same.
3532         (sibcall_value_nonlocal_darwin64): Same.
3533         (sibcall_symbolic_64): Same.
3534         (sibcall_value_symbolic_64): Same.
3535         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
3536         LR pseudo.
3537         (rs6000_emit_load_toc_table): Same.
3538         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
3539         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
3540         (mull_call): Same.
3541         (divss_call): Same.
3542         (divus_call): Same.
3543         (quoss_call): Same.
3544         (quous_call): Same.
3545         (load_toc_v4_pic_si): Same
3546         (load_toc_v4_PIC_1): Same.
3547         (load_toc_v4_PIC_1b): Same.
3548         (call_indirect_aix{32,64}): Same.
3549         (call_value_indirect_aix{32,64}): Same.
3550         (call): Same.
3551         (call_value): Same.
3552         (call_local{32,64}): Same.
3553         (call_value_local{32,64}): Same.
3554         (call_indirect_nonlocal_aix{32,64}): Same.
3555         (call_nonlocal_aix{32,64}): Same.
3556         (call_value_indirect_nonlocal_aix{32,64}): Same.
3557         (call_value_nonlocal_aix{32,64}): Same.
3558         (call_indirect_nonlocal_sysv<mode>): Same.
3559         (call_nonlocal_sysv<mode>): Same.
3560         (call_value_indirect_nonlocal_sysv<mode>): Same.
3561         (call_value_nonlocal_sysv<mode>): Same.
3562         (sibcall): Same.
3563         (sibcall_local{32,64}): Same.
3564         (sibcall_value_local{32,64}): Same.
3565         (sibcall_nonlocal_aix{32,64}): Same.
3566         (sibcall_value_nonlocal_aix{32,64}): Same.
3567         (sibcall_nonlocal_sysv<mode>): Same.
3568         (sibcall_value): Same.
3569         (sibcall_value_nonlocal_sysv<mode>): Same.
3570
3571 2007-03-24  Paul Brook  <paul@codesourcery.com>
3572
3573         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3574         * config/arm/linux-eabi.h: Remove legacy syscall hack.
3575
3576 2007-03-24  Richard Henderson  <rth@redhat.com>
3577
3578         * config/ia64/constraints.md: New file.
3579         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3580         satisfies_constraint_?.
3581         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3582         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3583         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3584         ia64_output_mi_thunk): Likewise.
3585         (ia64_const_ok_for_letter_p): Remove.
3586         (ia64_const_double_ok_for_letter_p): Remove.
3587         (ia64_extra_constraint): Remove.
3588         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3589         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3590         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3591         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3592         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3593         EXTRA_MEMORY_CONSTRAINT): Remove.
3594         * config/ia64/ia64.md: Include constriants.md.  Replace
3595         CONST_OK_FOR_? with satisfies_constraint_?.
3596
3597 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
3598             H.J. Lu  <hongjiu.lu@intel.com>
3599
3600         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3601         DPD or BID name.
3602         (name macros): Use DPD_BID_NAME to convert names properly.
3603
3604         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3605         decimal floating point format.
3606         (init_floating_libfuncs): Change decimal functions so that they
3607         have a "bid_" prefix if the decimal system uses the BID format,
3608         and "dpd_" prefix if the decimal system uses the DPD format.
3609         (init_interclass_conv_libfuncs): Ditto.
3610         (init_intraclass_conv_libfuncs): Ditto.
3611
3612         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3613         using the BID format.
3614
3615         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3616         whether we are using the BID decimal format.
3617         * configure: Regenerate.
3618
3619         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3620         the compiler has decimal floating point enabled.  Define
3621         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3622         instead of DPD.
3623
3624         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3625         using the BID format.
3626
3627         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3628         whether we are using the BID decimal format.
3629         * configure: Regenerate.
3630
3631         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3632         the compiler has decimal floating point enabled.  Define
3633         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3634         instead of DPD.
3635
3636         * doc/install.texi (--enable-decimal-float): Document BID and DPD
3637         options, and that it is enabled for i386/x86_64 systems.
3638
3639         * Makefile.in (enable_decimal_float): New.
3640         (DECNUMFMT): New.
3641         (DECNUMINC): Add  -I$(DECNUMFMT).
3642         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
3643         to $(DECNUMFMT) from $(DECNUM).
3644
3645         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
3646         Substitute enable_decimal_float.
3647         * configure: Regenerated.
3648
3649         PR other/30529
3650         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
3651         unsigned long.
3652
3653         * configure.ac: Enable decimal float for x86_64-*-linux*.
3654         * configure: Regenerated.
3655
3656         PR other/30530
3657         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
3658         decimal128ClearSign to flip and clear the sign bit in decimal128.
3659         (decimal_real_maxval): Set decimal128SetSign to set the sign
3660         bit in decimal128.
3661
3662 2007-03-23  Ian Lance Taylor  <iant@google.com>
3663
3664         * fold-const.c (fold_binary): Correct warning for X - c >= X.
3665
3666 2007-03-23  Ian Lance Taylor  <iant@google.com>
3667
3668         * tree-dump.c (dump_files): Correct comment.
3669
3670 2007-03-23  Ian Lance Taylor  <iant@google.com>
3671
3672         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
3673
3674 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
3675
3676         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
3677         in cfglayout mode.  Don't go into and out of cfglayout mode.
3678         Link the blocks in the order of the constructed traces.
3679         (rest_of_handle_tracer): Adjust call to tracer.
3680         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
3681         Don't go into cfglayout mode.
3682         (rtl_loop_done): Don't go out of cfglayout mode.
3683         * cfglayout.c (relink_block_chain): New function, split out from...
3684         (fixup_reorder_chain): ...here.  Remove redundant checking.
3685         (cfg_layout_finalize): Don't clear the header, footer, and aux
3686         fields here, move the code to do so to relink_block_chain.  Likewise
3687         for free_original_copy_tables.
3688         * rtl.h (tracer): Update prototype.
3689         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
3690         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
3691         mode.  Use relink_block_chain to serialize the CFG according to the
3692         new basic block order.  Move targetm.cannot_modify_jumps_p check from
3693         here...
3694         (gate_handle_reorder_blocks): ...to here.
3695         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
3696         from here...
3697         (gate_duplicate_computed_gotos): ...to here.
3698         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
3699         something always changes when going into and out of cfglayout mode.
3700         Perform an expensive cfg cleanup while going into cfglayout mode.
3701         Always update liveness information on HAVE_conditional_execution
3702         targets.  Reserialize the basic blocks and go out of cfglayout mode.
3703         * reg-stack.c: Include cfglayout.h.
3704         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
3705         the call to reorder_basic_blocks.
3706         * basic-block.h (reorder_basic_blocks): Update prototype.
3707         (relink_block_chain): New prototype.
3708         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
3709
3710 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
3711
3712         * config/mips/mips.md (type, hazard, *movdi_32bit,
3713         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
3714         *movhi_internal, *movqi_internal, *movsf_hardfloat,
3715         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
3716         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
3717         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
3718         applicable.
3719         (movcc): Change first xfer to multi.
3720         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
3721         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
3722         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
3723         config/mips/generic.md: Change reservations using "xfer" to use
3724         "mfc,mtc".
3725         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
3726         using match_operand.
3727         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
3728         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
3729         examining mode.
3730         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
3731
3732 2007-03-22  Richard Henderson  <rth@redhat.com>
3733
3734         * config/i386/i386.c: Remove unnecessary function declarations.
3735         Move targetm definition, and all related macros, to the end of
3736         the file.  Resort some functions to put definitions before uses.
3737         (ix86_attribute_table): Make static.  Move to end of file.
3738         (ix86_gimplify_va_arg): Make static.
3739
3740 2007-03-22  Richard Henderson  <rth@redhat.com>
3741
3742         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
3743         don't increase local_regparm with force_align_arg_pointer check.
3744         (ix86_function_sseregparm): Assert 32-bit.
3745         (type_has_variadic_args_p): New.
3746         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
3747         type_has_variadic_args_p.
3748         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
3749         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
3750         use memset instead.  Do maybe_vaarg check first; skip attribute
3751         tests if true; skip attribute tests for 64-bit.
3752         (construct_container): Remove TARGET_DEBUG_ARG.
3753         (function_arg_advance_32, function_arg_advance_64): Split out ...
3754         (function_arg_advance): ... from here.
3755         (function_arg_32, function_arg_64): Split out ...
3756         (function_arg): ... from here.
3757         (ix86_pass_by_reference): Tidy.
3758         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
3759         (function_value_32): New, from parts of ix86_function_value
3760         and ix86_value_regno.
3761         (function_value_64): New, from parts of ix86_function_value
3762         and ix86_libcall_value.
3763         (ix86_function_value_1): New.
3764         (ix86_function_value, ix86_libcall_value): Use it.
3765         (return_in_memory_32, return_in_memory_64): Split out ...
3766         (ix86_return_in_memory): ... from here.
3767         (ix86_struct_value_rtx): Skip for 64-bit.
3768         (ix86_libcall_value, ix86_value_regno): Remove.
3769         (setup_incoming_varargs_64): Split out ...
3770         (ix86_setup_incoming_varargs): ... from here.
3771         (ix86_va_start): Remove TARGET_DEBUG_ARG.
3772         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
3773         * config/i386/i386-protos.h (ix86_function_value): Remove.
3774         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
3775
3776 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3777
3778         PR other/23572
3779         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
3780         infinities not supported, otherwise emit warning if -Woverflow. On
3781         underflow, emit warning if -Woverflow.
3782         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
3783         and 0 otherwise.
3784         * real.h (real_from_string): Update declaration
3785
3786 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
3787             Richard Henderson  <rth@redhat.com>
3788
3789         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
3790         * calls.c (compute_argument_block_size, expand_call,
3791         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
3792         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
3793         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
3794         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
3795         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
3796         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
3797         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
3798         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
3799         Set to 1.
3800
3801 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
3802
3803         * c-incpath.c (add_sysroot_to_chain): New.
3804         (merge_include_chains): Add sysroot argument.  Call
3805         add_sysroot_to_chain if sysrooted.
3806         (register_include_chains): Update call to merge_include_chains.
3807         * doc/cppopts.texi: Document use of '=' in include directory
3808         arguments.
3809
3810 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
3811
3812         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
3813         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
3814         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
3815         insn pattern using X87MODEF12 mode macro.
3816
3817 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
3818
3819         * regmove.c (regmove_optimize): Use reg_mentioned_p
3820         instead of reg_overlap_mentioned_p for DST.
3821
3822 2007-03-21  Mike Stump  <mrs@apple.com>
3823
3824         * c.opt: Fixup for Objective-C/C++.
3825
3826 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
3827
3828         * explow.c (convert_memory_address): Fold memory reference when
3829         POINTERS_EXTEND_UNSIGNED < 0
3830
3831 2007-03-21  Richard Henderson  <rth@redhat.com>
3832
3833         PR target/31245
3834         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
3835         * config/i386/mmintrin.h (__m64): Likewise.
3836         * config/i386/xmmintrin.h (__m128): Likewise.
3837
3838 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3839
3840         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
3841         (VXWORKS_OS_CPP_BUILTINS): Define.
3842         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
3843         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
3844
3845 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3846
3847         * rtl.h (constant_pool_reference_p): Delete.
3848         (find_constant_src): Declare.
3849         * rtlanal.c (find_constant_src): New function.
3850         * simplify-rtx.c (constant_pool_reference_p): Delete.
3851         * config/i386/i386.md: Use find_constant_src instead of
3852         constant_pool_reference_p/avoid_constant_pool_reference pairs.
3853
3854 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3855
3856         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
3857         * c-cppbuiltin.c (c_cpp_builtins): Define them.
3858
3859 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
3860
3861         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
3862         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
3863         (arm_elf_asm_constructor): Use it.
3864         (arm_elf_asm_destructor): New function.
3865
3866 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3867
3868         * jump.c (mark_jump_label): Treat SEQUENCE specially.
3869
3870 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
3871
3872         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
3873
3874 2007-03-19  Andrew Haley  <aph@redhat.com>
3875
3876         PR tree-optimization/31264
3877         * tree-vrp.c (register_edge_assert_for_1): Don't look though
3878         VIEW_CONVERT_EXPRs.
3879
3880 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
3881
3882         PR rtl-optimization/30907
3883         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
3884         (fwprop_init): Always call loop_optimizer_initialize.
3885         (fwprop_done): Always call loop_optimizer_finalize.
3886         (fwprop): We always have loop info now.
3887         (gate_fwprop_addr): Remove.
3888         (pass_fwprop_addr): Use gate_fwprop as gate.
3889
3890         PR rtl-optimization/30841
3891         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
3892         df_chain_alloc): Call df_reorganize_refs unconditionally.
3893         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
3894         refs_organized to refs_organized_size.
3895         (df_ref_create_structure): Use refs_organized_size instead of
3896         bitmap_size if refs had been organized, and keep refs_organized_size
3897         up-to-date.
3898         * df.h (struct df_ref_info): Change refs_organized to
3899         refs_organized_size.
3900         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
3901         bitmap_size.
3902
3903 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
3904
3905         * except.c (output_function_exception_table): Do not reference the
3906         EH personality routine for functions that do not require an
3907         exception table.
3908
3909 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
3910
3911         PR c/30762
3912         * c-typeck.c (convert_for_assignment): Call comptypes for
3913         RECORD_TYPE or UNION_TYPE.
3914
3915         PR inline-asm/30505
3916         * reload1.c (reload): Do invalid ASM checking after
3917         cleanup_subreg_operands.
3918
3919 2007-03-19  Jeff Law  <law@redhat.com>
3920
3921         * tree-cfg.c (find_taken_edge): Tighten conditions for
3922         optimizing computed gotos.
3923
3924 2007-03-19  Michael Matz  <matz@suse.de>
3925
3926         * builtins.c (expand_builtin_sync_operation,
3927         expand_builtin_compare_and_swap,
3928         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
3929         correctly.
3930
3931         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
3932         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
3933         for operand 3.
3934
3935 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3936
3937         * doc/tm.texi: Add brackets around the return type of
3938         TARGET_SECONDARY_RELOAD.
3939
3940 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3941         Richard Guenther  <rguenther@suse.de>
3942
3943         PR tree-optimization/31254
3944         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3945         Use handled_component_p () where appropriate.  Continue
3946         propagating into the rhs if we propagated into an INDIRECT_REF
3947         on the lhs.
3948
3949 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3950
3951         * config/s390/s390.md (op_type attribute): RRR instruction type added.
3952         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
3953         (xde, xdee): Mode attributes adjusted to support DFP modes.
3954         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
3955         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
3956         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
3957         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
3958         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
3959         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3960         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
3961         numbers.
3962         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
3963         "movsf"): Insn definitions removed.
3964         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
3965         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
3966         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
3967         definitions added.
3968         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
3969         "reload_in<mode>", "reload_out<mode>"): Expander added.
3970         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
3971         Expander removed.
3972
3973 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3974
3975         * config/s390/s390.md: Only non-functional changes.  Renamed
3976         FPR mode macro to BFP all over the file.
3977
3978 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3979
3980         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
3981         (op_type attribute): RRF instruction type added.
3982         (fT0): New mode attribute.
3983         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3984         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
3985         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
3986         no secondary memory is needed when moving DFmode values between GPRs
3987         and FPRs.
3988
3989 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3990
3991         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
3992         inverted and documentation adjusted.
3993         ("mhard-dfp", "msoft-dfp"): New options.
3994         * config/s390/s390.c (s390_handle_arch_option): New architecture
3995         switch: z9-ec.
3996         (override_options): Sanity checks for the new options added.
3997         * config.gcc: New architecture switch: z9-ec.
3998         * config/s390/s390.h (processor_flags): PF_DFP added.
3999         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
4000         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
4001         when the bit is NOT set so remove it from the defaults.
4002
4003 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4004
4005         * genemit.c (main): Print include statement for dfp.h.
4006         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
4007         is not available.
4008
4009 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4010
4011         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
4012
4013 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4014
4015         PR target/31022
4016         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
4017         instead of PATTERN.
4018
4019 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4020
4021         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
4022         attr_length_call, output_call, output_indirect_call): Cleanup
4023         formatting of targetm calls.
4024
4025 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4026
4027         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
4028
4029 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4030
4031         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
4032         reservation, bypass and anti-bypass descriptions for these instructions.
4033         Update move patterns.
4034         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
4035         TYPE_FPSTORE.
4036
4037 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
4038
4039         * tree-vect-transform.c (get_initial_def_for_induction): Replace
4040         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
4041         (get_initial_def_for_reduction): Likewise.
4042
4043 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
4044
4045         Fix PR tree-optimization/29922
4046         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
4047         (get_representative): Removed.
4048         (value_dies_in_block_x): Update for rvuse removal.
4049         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
4050         (compute_antic_aux): Handle when PHI nodes appear in
4051         non-single-successors.
4052         (dump_bitmap_of_names): Removed.
4053         (compute_antic_safe): Renamed and removed rvuse calculation.
4054         Calculate only antic safe.
4055         (insert_into_preds_of_block): Remove assert.
4056         (execute_pre): Update for renamed functions.
4057         (defer_or_phi_translate_block): New function.
4058
4059 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4060
4061         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
4062         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
4063         typos.
4064         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
4065         Follow spelling conventions.
4066
4067         * tree-data-ref.h: Remove the prototype for analyze_array.
4068
4069 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
4070
4071         PR tree-optimization/31041
4072         * tree-vect-transform.c (get_initial_def_for_induction): Call
4073         force_gimple_operand.
4074
4075 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
4076
4077         * ipa-type-escape.c (look_for_casts) : Revert code to use
4078         handled_component_p due to ada test a-numaux.adb.
4079
4080 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4081
4082         * final.c (final_scan_insn): Alter the condition of a
4083         conditional trap if we have nonstandard CC.
4084
4085 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4086
4087         * configure.ac: Remove excess quoting from asm line 0 test.
4088         * configure: Rebuilt.
4089
4090 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4091
4092         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
4093         * c-common.c (convert_and_check): Move warning logic to...
4094         (warnings_for_convert_and_check): ...here. Define.
4095         * c-common.h (warnings_for_convert_and_check): Declare.
4096
4097 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4098
4099         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
4100         (output_call): Likewise.
4101
4102 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4103
4104         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
4105
4106 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4107
4108         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
4109
4110 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
4111
4112         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
4113         opteron, athlon-64 and athlon-fx processor_alias_table entries.
4114
4115 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
4116
4117         PR tree-optimization/31183
4118         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
4119         Use double_int instead of unsigned int for representing access_strides.
4120         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
4121
4122 2007-03-16  Richard Guenther  <rguenther@suse.de>
4123
4124         PR tree-optimization/31146
4125         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
4126         to allow recursion of forward_propagate_addr_expr.
4127         (forward_propagate_addr_into_variable_array_index): Likewise.
4128         (forward_propagate_addr_expr): Likewise.
4129         (tree_ssa_forward_propagate_single_use_vars): Likewise.
4130         (forward_propagate_addr_expr_1): Recurse on simple copies
4131         instead of propagating into them.  Do so for useless conversions
4132         as well.
4133         (forward_propagate_addr_expr): Clean up unused statements after
4134         recursion.
4135
4136 2007-03-16  Richard Guenther  <rguenther@suse.de>
4137
4138         * builtins.c (expand_builtin_cexpi): Use the right argument
4139         for the expansion via cexp.
4140
4141 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4142
4143         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
4144         * configure: Rebuilt.
4145
4146 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4147
4148         PR debug/29906
4149         * dwarf2out.c (force_type_die): Adjust comment.
4150         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
4151
4152 2007-03-15  DJ Delorie  <dj@redhat.com>
4153
4154         * config/frv/predicates.md (minmax_operator): Don't check operands
4155         here.
4156
4157 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4158
4159         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
4160         Update constant estimates of number of iterations.
4161         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
4162         argument renamed to "realistic".
4163         (compute_estimated_nb_iterations): Removed.
4164         (record_niter_bound): New function.
4165         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
4166         call record_nonwrapping_iv with upper = false.
4167         (infer_loop_bounds_from_signedness): Pass upper argument to
4168         record_nonwrapping_iv.
4169         (estimate_numbers_of_iterations_loop): Do not call
4170         compute_estimated_nb_iterations.  Record estimate based on profile
4171         information.  Initialize the constant estimates of number of
4172         iterations.
4173         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
4174         estimates.
4175         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
4176         number of iterations is too small.
4177         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
4178         (EST_NOT_AVAILABLE): Removed.
4179         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
4180         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
4181         fields.
4182
4183 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4184
4185         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
4186         Handle NE_EXPR guards.
4187
4188 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4189
4190         PR c++/24924
4191         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
4192         Set also -pedantic-errors by default for the  preprocessor unless
4193         -fpermissive is given.
4194
4195 2007-03-15  Richard Guenther  <rguenther@suse.de>
4196
4197         PR middle-end/29719
4198         PR middle-end/31161
4199         * builtins.c (expand_builtin_cexpi): As a fallback if we
4200         don't have builtins for sincos or cexp create a function
4201         declaration for cexp and expand to a call to that.
4202         (expand_builtin_int_roundingfn): Always fall
4203         back to floor/ceil and its variants even if they may be
4204         not available.
4205
4206 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
4207
4208         PR middle-end/31159
4209         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
4210         jump tables, move the call to delete_dead_jumptables from here...
4211         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
4212         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
4213         don't allow merging of blocks that try_redirect_by_replacing_jump
4214         also does not handle when not optimizing.
4215
4216 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4217             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4218
4219         * config/i386/i386.md (x86_sahf_1): Correctly handle
4220         HAVE_AS_IX86_SAHF.
4221
4222 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4223
4224         PR target/31167
4225         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
4226         x86_64_general_operand as operand[2] predicate.  Remove "iF"
4227         from operand constraints and use "e" constraint instead.
4228         (*subti3_1, *subti3_1 splitter): Ditto.
4229         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
4230         operand[1] predicate.
4231
4232 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
4233
4234         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
4235         arrays, multiply the access strides by the size of the sub-array.
4236         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
4237
4238 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4239
4240         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
4241         the configured assembler supports the sahf mnemonic.
4242         * configure: Regenerate.
4243         * config.in: Regenerate.
4244
4245         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
4246         emit "sahf" or ".byte\t0x9e" as asm template.
4247
4248 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
4249
4250         PR 31018
4251         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
4252         option to replace hard coded TARGET_xxx in md file.
4253         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
4254         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4255         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
4256         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
4257         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
4258         (X86_TUNE_NOT_VECTORMODE): Ditto.
4259         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
4260         (TUNE_AVOID_VECTOR_DECODE): Ditto.
4261         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4262         (TUNE_SLOW_IMUL_IMM8): Ditto.
4263         (TUNE_MOVE_M1_VIA_OR): Ditto.
4264         (TUNE_NOT_UNPAIRABLE): Ditto.
4265         (TUNE_NOT_VECTORMODE): Ditto.
4266
4267         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
4268         options.
4269
4270         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
4271         tuning options instead of hard coded TARGET_xxx.
4272         (fix ssemode peephole2's): Ditto.
4273         (imul peephole2's): Ditto.
4274         (movsi_or): Ditto.
4275         (movdi_or_rex64): Ditto.
4276         (move peephole2): Ditto.
4277         (not peephole2's): Ditto.
4278
4279 2007-03-14  Dirk Mueller  <dmueller@suse.de>
4280
4281         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
4282         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
4283         * c-parser.c (c_parser_if_body): Always add an empty statement in case
4284         of empty body.
4285         * c-parser.c (c_parser_do_statement): Warn about empty body in
4286         do/while statement.
4287         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
4288         * doc/invoke.texi (-Wempty-body): Update documentation.
4289
4290 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4291
4292         PR c/21438
4293         * c-common.h (warn_for_div_by_zero): Declare.
4294         * c-common.c (warn_for_div_by_zero): Define.
4295         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
4296         warning.
4297
4298 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4299
4300         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
4301         to PREFIX and STANDARD_PREFIX.
4302
4303 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4304             Phil Edwards  <phil@codesourcery.com>
4305
4306         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
4307         (__gthread_once_t): Remove busy field for RTPs.
4308         (__GTHREAD_ONCE_INIT): Update accordingly.
4309
4310 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4311
4312         * doc/invoke.texi: Document VxWorks options.
4313
4314 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4315
4316         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
4317
4318 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
4319
4320         PR tree-optimization/30590
4321         * tree-nrv.c (tree_nrv): Check for the partial update of the
4322         return value.
4323
4324 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4325
4326         * flags.h (flag_random_seed): Remove declaration, in favor of...
4327         * toplev.h (get_random_seed, set_random_seed): ... these.
4328         * tree.c (get_file_function_name): Use the former.
4329         * opts.c (common_handle_option): Use the latter.
4330         * toplev.c
4331
4332 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
4333
4334         PR middle-end/31127
4335         * cse.c (cse_find_path): Do not bail out if a basic block that
4336         we already visited now becomes part of a path that starts at a
4337         different basic block.  Just disallow this, to make sure we
4338         visit each basic block at most once.
4339
4340 2007-03-13  Jan Hubicka  <jh@suse.cz>
4341
4342         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4343         when profile esitmate is present, calls with very low frequency are
4344         cold.
4345
4346 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
4347
4348         PR tree-optimization/30730
4349         PR tree-optimization/26900
4350         * tree-ssa-loop-niter.c: Include gmp.h.
4351         (bounds): New type.
4352         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4353         split_to_var_and_offset, determine_value_range,
4354         bound_difference_of_offsetted_base, refine_bounds_using_guard,
4355         bound_difference, bounds_add, bounds_negate,
4356         number_of_iterations_ne_max, dump_affine_iv): New functions.
4357         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4358         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
4359         difference of initial and final value of control iv to validate
4360         results.
4361         (number_of_iterations_cond): Add loop parameter.  Determine bounds
4362         on the difference of the extremes of the control iv.  Add dumps.
4363         (expand_simple_operations): Handle phi nodes.
4364         (simplify_using_initial_conditions): Do not record used conditions.
4365         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
4366         Do not set additional_info.
4367         (implies_nonnegative_p, implies_ge_p): Removed.
4368         (derive_constant_upper_bound): Do not use parameter `additional'.
4369         (record_estimate): Parameter `additional' removed.  Parameter
4370         `i_bound' added.  Do not call derive_constant_upper_bound.
4371         (record_nonwrapping_iv): Use derive_constant_upper_bound to
4372         bound the number of iterations estimate.
4373         (estimate_numbers_of_iterations_loop): Pass the estimate from
4374         the number of iterations analysis to record_estimate.
4375         * tree.h (multiple_of_p): Declare.
4376         * tree-scalar-evolution.c (expression_expensive_p): Removed.
4377         (scev_const_prop): Do not check expression_expensive_p.
4378         * fold-const.c (multiple_of_p): Exported.
4379         * double-int.c (double_int_mask): Exported.
4380         * double-int.h (double_int_mask): Declare.
4381         * tree-flow.h (struct tree_niter_desc): Removed additional_info
4382         field.  Added max field.
4383
4384 2007-03-13  David Taylor  <taylor@candd.org>
4385
4386         PR driver/12448:
4387         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
4388         default -MQ.
4389
4390 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4391
4392         PR target/31123
4393         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
4394         two unamed patterns.
4395
4396 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
4397
4398         * config/i386/i386.opt (mcx16, msahf): New options.
4399         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4400         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4401
4402         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4403         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4404         Output -mcx16 and -msahf options when corresponding bit is set.
4405
4406         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
4407         and -msahf options.
4408
4409 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4410
4411         * configure.ac: Test for assembler tolerance to # 0 "".
4412         * configure, config.in: Rebuilt.
4413         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
4414
4415 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
4416
4417         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
4418
4419         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
4420         (handle_syscall): Handle direct system calls.
4421         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
4422
4423 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4424
4425         * doc/invoke.texi: Fix cpp.info cross-reference.
4426         * doc/passes.texi: Fix gcc.info cross-reference.
4427
4428 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
4429
4430         PR tree-optimization/30835
4431         * lambda-code.c (can_convert_to_perfect_nest): Check whether
4432         bb_for_stmt is not NULL before accessing it.
4433
4434 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
4435
4436         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
4437         some multilibs.
4438
4439 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4440
4441         PR 30635
4442         * doc/install.texi: Document --enable-stage1-languages
4443
4444 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
4445
4446         * tree-pass.h (pass_into_cfg_layout_mode,
4447         pass_outof_cfg_layout_mode): Declare.
4448         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
4449         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
4450         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
4451         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
4452
4453 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
4454
4455         * c-decl.c (warn_variable_length_array): New function.
4456         Refactored from grokdeclarator to handle warn_vla
4457         and handle unnamed array case.
4458         (grokdeclarator): Refactored VLA warning case.
4459         * c.opt (Wvla): New flag.
4460         * doc/invoke.texi (Wvla): New warning.
4461
4462 2007-03-12  Richard Henderson  <rth@redhat.com>
4463
4464         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
4465         (TARGET_SECTION_TYPE_FLAGS): New.
4466
4467 2007-03-12  Richard Henderson  <rth@redhat.com>
4468
4469         * config/darwin.c (machopic_reloc_rw_mask): New.
4470         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
4471         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
4472
4473 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
4474
4475         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
4476         * cppdefault.h (cpp_PREFIX): Document.
4477         (cpp_PREFIX_len): Likewise.
4478         (cpp_EXEC_PREFIX): New variable.
4479         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
4480         * c-incpath.c (add_standard_paths): Correct logic for relocating
4481         paths within prefix.
4482
4483 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
4484
4485         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
4486         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
4487         mode macro.
4488         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
4489         fix_truncdfdi_sse using SSEMODEF mode macro.
4490         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
4491         fix_truncdfsi_sse using SSEMODEF mode macro.
4492         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
4493         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
4494
4495 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
4496
4497         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
4498         elfos.h to tm_file.
4499
4500 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
4501
4502         * tree.h : Add multiple_of_p declaration.
4503         * fold-const.c (multiple_of_p): Make multiple_of_p public.
4504         * ipa-type-escape.c (results_of_malloc): Redundant.
4505         (visited_stmts): New. Visited stmt for walk_use_def_chains.
4506         (cast_type): Extended with new members.
4507         (check_cast): Returns cast_type.
4508         (cast): New structure for data of walk_use_def_chains.
4509         (is_malloc_result, is_cast_from_non_pointer_1,
4510         is_cast_from_non_pointer,
4511         is_array_access_through_pointer_and_index): New functions.
4512         (look_for_casts): Returns cast types.
4513         (check_call): Returns void.
4514         (okay_pointer_operation): Use support of pointer plus index,
4515         pointer plus constant and allow all multiplications.
4516
4517 2007-03-11  Richard Guenther  <rguenther@suse.de>
4518
4519         PR tree-optimization/31115
4520         * tree-vrp.c (extract_range_from_binary_expr): Make sure
4521         the shift count is positive and non-anti-range for RSHIFT_EXPR.
4522         A shift count of zero is not special as with *_DIV_EXPR.
4523         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
4524         direction.
4525
4526 2007-03-11  Ian Lance Taylor  <iant@google.com>
4527
4528         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
4529         the *_DIV_EXPR codes correctly with overflow infinities.
4530
4531 2007-03-11  Ira Rosen  <irar@il.ibm.com>
4532
4533         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
4534         indicate success/failure of the analysis. Add negation to subtrahend
4535         in case of subtraction. Fail if both operands contain constants.
4536         (create_data_ref): Fail if analyze_offset fails.
4537
4538 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
4539
4540         * config/i386/i386.md (frndintxf2): Rename to ...
4541         (rintxf2): ... this. Remove expander having same name.
4542         (rintsf2, rintdf2): Implement using SSEMODEF macro.
4543         (roundsf2, rounddf2): Ditto.
4544         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
4545         (lround<mode>di2, lround<mode>si2): Ditto.
4546
4547 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
4548
4549         * lower-subreg.c: Include except.h.
4550         (decompose_multiword_subregs): Verify that the only control flow
4551         insns we can split are loads to multi-words pseudos.
4552         Handle breaking such blocks after splitting, instead of calling
4553         find_many_sub_basic_blocks.
4554
4555         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
4556         on the new basic block.  Add a lengthy comment explaining why we
4557         thought this was necessary.
4558         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
4559
4560 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
4561
4562         PR c++/30924
4563         * tree.c (walk_type_fields): Recurse into the element type of
4564         ARRAY_TYPEs if there is a pointer set.
4565
4566 2007-03-10  Dirk Mueller  <dmueller@suse.de>
4567
4568         * c-common.c (warn_logical_operator): Fix condition.
4569
4570 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
4571
4572         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4573         quotation mark.
4574         * config/darwin.c (machopic_select_section): Remove superfluous
4575         argument in call to categorize_decl_for_section.  Remove unused
4576         variable shlib.
4577
4578 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
4579
4580         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4581         defined.
4582         * configure: Regenerate.
4583
4584 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
4585
4586         PR target/31101
4587         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4588         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4589         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4590         Add LABEL_NUSES to emitted label.
4591         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4592         branch probability value to emitted jump insn.
4593         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4594         Do not check life information and do not re-arrange input operands
4595         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4596
4597 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4598
4599         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4600         the change of decode_asm_operands.
4601
4602 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4603
4604         * mode-switching.c (create_pre_exit): Skip blockage insn.
4605
4606 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
4607
4608         * tree-pass.h (TODO_update_smt_usage): Remove.
4609         Update all users.
4610         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4611         argument SOME.
4612         Update all users.
4613
4614 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4615
4616         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4617         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4618         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
4619         SOM target.
4620
4621 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
4622
4623         * gcc.c: Document %{, in big comment at top.
4624         (input_suffix_matches): Remove special handling for .s and
4625         .S.
4626         (input_spec_matches): New.
4627         (handle_braces): Handle %{,.
4628         (validate_switches): ',' indicates a value which is not a switch.
4629         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4630         to detect assembler input.
4631         * config/i386/sol2.h (CPP_SPEC): Likewise.
4632         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4633         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4634         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4635         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4636         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4637         -m64 causes deployment target to default to 10.5.
4638         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4639
4640 2007-03-09  Richard Henderson  <rth@redhat.com>
4641
4642         PR target/26090
4643         * target.h (targetm.asm.out.reloc_rw_mask): New.
4644         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
4645         (TARGET_ASM_OUT): Use it.
4646         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
4647         * varasm.c (categorize_decl_for_section): Remove shlib argument;
4648         use the new reloc_rw_mask target hook instead.
4649         (default_section_type_flags_1): Merge into...
4650         (default_section_type_flags): ... here.
4651         (decl_readonly_section_1): Merge into...
4652         (decl_readonly_section): ... here.
4653         (default_elf_select_section_1): Merge into...
4654         (default_elf_select_section): ... here.
4655         (default_unique_section_1): Merge into...
4656         (default_unique_section): ... here.
4657         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
4658         (default_select_rtx_section): Use it.
4659         (default_elf_select_rtx_section): Likewise.
4660         * output.h: Update to match.
4661         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
4662         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
4663         (TARGET_ASM_RELOC_RW_MASK): New.
4664         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
4665         to categorize_decl_for_section.
4666         (x86_64_elf_unique_section): Likewise.
4667         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
4668         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
4669         (TARGET_ASM_RELOC_RW_MASK): New.
4670         * config/ia64/ia64.c (ia64_rwreloc_select_section,
4671         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
4672         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
4673         (TARGET_RWRELOC): Remove.
4674         (ia64_section_type_flags): Adjust call to default_section_type_flags.
4675         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4676         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
4677         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
4678         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
4679         (rs6000_xcoff_select_section): Use decl_readonly_section.
4680         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
4681         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4682         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
4683         (TARGET_SECTION_TYPE_FLAGS): Remove.
4684         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
4685
4686 2007-03-09  Roger Sayle  <roger@eyesopen.com>
4687
4688         * fold-const.c (fold_comparison): Remove compile-time evaluation of
4689         complex constant equality/inequality comparisons for here.
4690         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
4691         known at compile-time or can be simplified to a scalar comparison.
4692         (fold_relational_const): Move compile-time evaluation of complex
4693         constant equality/inequality comparisons to here.
4694
4695 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4696
4697         PR rtl-optimization/30643
4698         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
4699         dest_addr_elt.
4700         (fold_rtx): Recurse, like before 2006-11-03.
4701
4702 2007-03-09  DJ Delorie  <dj@redhat.com>
4703
4704         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
4705         m32c-pragma.o.
4706
4707 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
4708
4709         PR tree-optimization/30375
4710         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
4711         LHS of statements is not the same.
4712         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
4713
4714 2007-03-09  Chao-ying Fu  <fu@mips.com>
4715
4716         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
4717         REV 2.
4718         * doc/invoke.texi (-mdspr2): Document new option.
4719         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
4720         New unspec for DSP REV 2.
4721         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
4722         these instructions are extended in DSP REV 2.
4723         (mips-dspr2.md): Include.
4724         * config/mips/mips.opt (mdspr2): New option.
4725         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
4726         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
4727         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
4728         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
4729         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
4730         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
4731         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
4732         and 2 builtins.
4733         (bdesc_map): Add one field of unsupported_target_flags.
4734         (bdesc_arrays):  Update entries to have extra fields.  Add
4735         dsp_32only_bdesc.
4736         (mips_init_builtins): Initialize new function types.
4737         Check unsupported_target_fileds to filter out builtins.
4738         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
4739         TARGET_DSPR2.
4740         (ASM_SPEC): Pass mdspr2 to the assembler.
4741         * config/mips/mips-dspr2.md: New file.
4742
4743 2007-03-09  Sa Liu  <saliu@de.ibm.com>
4744
4745         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
4746
4747 2007-03-09  Ian Lance Taylor  <iant@google.com>
4748
4749         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
4750         argument) like -Wstrict-overflow=2.
4751         * doc/invoke.texi (Warning Options): Update documentation.
4752
4753 2007-03-09  Dirk Mueller  <dmueller@suse.de>
4754
4755         PR c++/17946
4756         * doc/invoke.texi (-Wlogical-op): Document.
4757         * common.opt (-Wlogical-op): New.
4758         * c-common.h (warn_logical_operator): Declare.
4759         * c-common.c (warn_logical_operator): Define.
4760         * c-typeck.c (parser_build_binary_op): Call
4761         warn_logical_operator.
4762
4763 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4764
4765         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
4766         * final.c (final_scan_insn): Test for non-"" file name.
4767
4768 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
4769
4770         * doc/loop.texi: Document the Omega linear constraints solver.
4771         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
4772         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
4773         omega-hash-table-size, omega-max-keys, and
4774         omega-eliminate-redundant-constraints.
4775         * tree-pass.h (pass_check_data_deps): Declared.
4776         * omega.c: New.
4777         * omega.h: New.
4778         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
4779         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
4780         pass_check_data_deps): New.
4781         * tree-data-ref.c (init_data_ref): Remove declaration.
4782         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
4783         (analyze_array): Renamed init_array_ref, move up initializations.
4784         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
4785         Removed arguments that are set to NULL.
4786         (analyze_indirect_ref): Correct indentation, correct call to
4787         init_pointer_ref.
4788         (object_analysis): Call init_array_ref instead of analyze_array.
4789         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
4790         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
4791         of DR_ACCESS_FNS_ADDR.
4792         (init_omega_eq_with_af, omega_extract_distance_vectors,
4793         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
4794         ddr_consistent_p): New.
4795         (compute_affine_dependence): Check consistency of ddrs when
4796         flag_check_data_deps is passed.
4797         (analyze_all_data_dependences): Uncomment.
4798         (tree_check_data_deps): New.
4799         * tree-data-ref.h: Include omega.h.
4800         (DR_ACCESS_FNS_ADDR): Removed.
4801         (data_dependence_relation): Add inner_loop.
4802         (DDR_INNER_LOOP): New.
4803         * common.opt (fcheck-data-deps): New.
4804         * tree-flow.h (tree_check_data_deps): Declare.
4805         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
4806         (OBJS-common): Depend on omega.o.
4807         (omega.o): Define.
4808         * passes.c (pass_check_data_deps): Scheduled.
4809         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
4810         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
4811         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
4812         PARAM_VECT_MAX_VERSION_CHECKS,
4813         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
4814
4815 2007-03-09  Richard Guenther  <rguenther@suse.de>
4816
4817         PR tree-optimization/30904
4818         PR middle-end/31058
4819         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
4820         the same way as *_DIV_EXPR.
4821
4822 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4823
4824         * recog.c (decode_asm_operands): No mixed declarations and code.
4825
4826 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4827
4828         * rtl.def (ASM_INPUT): Add location.
4829         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
4830         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
4831         (decode_asm_operands): Add loc operand.
4832         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
4833         * stmt.c (expand_asm): Rename to...
4834         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
4835         gen_rtx_ASM_INPUT_loc.
4836         (expand_asm_expr): Adjust.
4837         * recog.c (decode_asm_operands): Add loc operand.
4838         (check_asm_operands, extract_insn): Adjust.
4839         * reload1.c (maybe_fix_stack_asms): Likewise.
4840         * final.c (asm_insn_count): Likewise.
4841         (final_scan_insn): Output # line before and after asm.
4842
4843 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
4844
4845         * tree-ssa-structalias.c (variable_info): Remove
4846         finished_solution.
4847         (new_var_info): Ditto.
4848         (shared_bitmap_info_t): New structure.
4849         (shared_bitmap_table): New variable.
4850         (shared_bitmap_hash): New function.
4851         (shared_bitmap_eq): Ditto
4852         (shared_bitmap_lookup): Ditto.
4853         (shared_bitmap_add): Ditto.
4854         (merge_smts_into): Change to take bitmap directly.
4855         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
4856         (init_alias_vars): Init shared bitmap hashtable.
4857         (delete_points_to_sets): Delete shared bitmap hashtable.
4858         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
4859         is_aliased removal as a change that was still necessary was
4860         deleted.
4861
4862 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
4863
4864         * config/i386/i386.h (override_options): Conditionally disable
4865         x86_sahf for 64bit targets only.
4866
4867 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4868
4869         PR C/31072
4870         * c-decl.c (merge_decls): Don't call make_var_volatile.
4871         * varasm.c (make_var_volatile): Remove.
4872         * output.h (make_var_volatile): Remove.
4873
4874 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
4875
4876         PR tree-optimization/31085
4877         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
4878
4879 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4880
4881         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
4882         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
4883         ATTR_CONST_NOTHROW_LIST.
4884
4885         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4886         FIX_TRUNC_EXPR.
4887
4888 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
4889
4890         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
4891
4892 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
4893
4894         PR 31013
4895         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
4896         is declared.
4897         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
4898         passed, use shared libgcc.
4899
4900 2007-03-08  Roger Sayle  <roger@eyesopen.com>
4901
4902         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
4903         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4904         (honor_protect_cleanup_actions, lower_try_finally_switch):
4905         Likewise.
4906         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
4907         ifc_temp_var): Likewise.
4908         * tree-inline.c (setup_one_parameter): Likewise.
4909         * tree-mudflap.c (mf_decl_cache_locals,
4910         mf_build_check_statement_for): Likewise.
4911         * tree-nested.c (init_tmp_var, save_tmp_var,
4912         finalize_nesting_tree_1): Likewise.
4913         * tree-outof-ssa.c (insert_copy_on_edge,
4914         insert_backedge_copies): Likewise.
4915         * tree-profile.c (tree_gen_edge_profiler,
4916         tree_gen_ic_profiler): Likewise.
4917         * tree-scalar-evolution.c (scev_const_prop): Likewise.
4918         * tree-sra.c (sra_build_assignment): Likewise.
4919         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
4920         * tree-ssa-math-opts.c (insert_reciprocals,
4921         execute_cse_sincos_1): Likewise.
4922         * tree-tailcall.c (adjust_accumulator_values,
4923         adjust_return_value): Likewise.
4924         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
4925         * tree-vect-transform.c (vect_create_data_ref_ptr,
4926         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
4927         vect_create_epilog_for_reduction, vectorizable_reduction,
4928         vectorizable_call, vectorizable_conversion,
4929         vectorizable_assignment, vectorizable_operation,
4930         vectorizable_type_demotion, vect_gen_widened_results_half,
4931         vect_permute_store_chain, vectorizable_store,
4932         vect_setup_realignment, vect_permute_load_chain,
4933         vectorizable_load, vectorizable_condition,
4934         vect_create_cond_for_align_checks): Likewise.
4935         * tree-vrp.c (build_assert_expr_for): Likewise.
4936
4937 2007-03-08  Ian Lance Taylor  <iant@google.com>
4938
4939         * tree-vrp.c: Include "intl.h".
4940         (usable_range_p): New static function.
4941         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
4942         overflowed values, juts set *strict_overflow_p.
4943         (compare_values): Only return -2 if one of the operands is not a
4944         constant.
4945         (compare_ranges): Call usable_range_p.
4946         (compare_range_with_value): Likewise.
4947         (vrp_evaluate_conditional_warnv): Rename from
4948         vrp_evaluate_conditional.  Make static.  Change all callers.
4949         (vrp_evaluate_conditional): New function.
4950         (simplify_div_or_mod_using_ranges): Issue warning about reliance
4951         on signed overflow.
4952         (simplify_abs_using_ranges): Likewise.
4953         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
4954         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
4955         within_stmt parameter.
4956         * tree-ssa-propagate.c (fold_predicate_in): Update call to
4957         vrp_evaluate_conditional.
4958         * tree-ssa-threadedge.c
4959         (record_temporary_equivalences_from_stmts_at_dest): Change
4960         simplify parameter to take a second tree parameter.
4961         (simplify_control_stmt_condition): Likewise.
4962         (thread_across_edge): Likewise.
4963         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4964         (thread_across_edge): Likewise.
4965         * Makefile.in (tree-vrp.o): Depend upon intl.h.
4966
4967 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
4968
4969         * config/i386/i386.h (TARGET_SAHF): New define.
4970         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
4971         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
4972         (x86_sahf): New global variable.
4973         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
4974         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
4975         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
4976         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
4977         for 64-bit.
4978         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
4979         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
4980         when expanding fcomi/sahf based tests.
4981         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
4982         expanding sahf based alternative. Emit sahf based sequence when
4983         optimizing for code size.
4984         * config/i386/i386.md (x86_sahf_1): Do not disable for
4985         TARGET_64BIT, enable for TARGET_SAHF.
4986
4987 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
4988
4989         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
4990         spurious whitespace from error message.
4991
4992 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
4993
4994         PR c++/30852
4995         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
4996
4997 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
4998
4999         * c-decl.c (grokdeclarator): Disable warnings for anonymous
5000         bitfields.
5001         * tree-sra.c (instantiate_element): Propagate disabled warnings
5002         from the element itself to the created variable.
5003
5004 2007-03-07  Richard Henderson  <rth@redhat.com>
5005
5006         PR target/30848
5007         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
5008         silently fix up the stack in the case of a missing register.
5009
5010 2007-03-07  Paul Brook  <paul@codesourcery.com>
5011
5012         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
5013
5014 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
5015
5016         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
5017         New.
5018         (phase1_vrs): Use them.
5019         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
5020         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
5021         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
5022         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
5023         __gnu_Unwind_Restore_WMMXC if required.
5024         (_Unwind_VRS_Pop): Implement iWMMXt support.
5025         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
5026         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
5027         gnu_Unwind_Save_WMMXC): Define.
5028
5029 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5030
5031         * config/vxworks.h (vxworks_override_options): Declare.
5032         (VXWORKS_OVERRIDE_OPTIONS): Use it.
5033         * config/vxworks.c: Include target.h and toplev.h.
5034         (vxworks_override_options): New function.
5035         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
5036
5037 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5038
5039         * config/s390/s390.c (override_options): Don't emit an error when
5040         -mstack-size is used without providing -mstack-guard.
5041         (s390_emit_prologue): Choose stack_guard value automatically if not
5042         provided via command line.
5043         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
5044
5045 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5046
5047         * config/i386/i386.c (output_set_got): Add a GOT initialization
5048         sequence for VxWorks PIC.
5049         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
5050         around labels as well as symbols.  Use gotoff_operand instead
5051         of local_symbolic_operand.
5052         (legitimize_pic_address): Use gotoff_operand instead of
5053         local_symbolic_operand.  Use @GOT accesses for labels as
5054         well as symbols.
5055         (ix86_output_addr_diff_elt): Use PC-relative rather than
5056         GP-relative offsets for VxWorks PIC.
5057         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
5058         no_new_pseudos.  Check whether the returned register is op0.
5059         * config/i386/i386.md (tablejump): Use PC-relative rather than
5060         GP-relative offsets for VxWorks PIC.
5061         * config/i386/predicates.md (gotoff_operand): New predicate.
5062
5063 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5064
5065         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
5066         before defining.
5067         * config/vxworks-dummy.h: New file.
5068         * config/i386/i386.h: Include it.
5069
5070 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
5071
5072         * dwarf2out.c (is_inlined_entry_point): New
5073         (add_high_low_attributes): Emit DW_AT_entry_pc along with
5074         DW_AT_ranges if the first subblock is the entry point.
5075
5076 2007-03-06  David Daney  <ddaney@avtrex.com>
5077
5078         * doc/install.texi (mips-*-*): Change recommended binutils
5079         version.
5080
5081 2007-03-06  Anatoly Sokolov <aesok@post.ru>
5082
5083         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
5084         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
5085         devices.
5086         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5087         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5088
5089 2007-03-06  Jan Hubicka  <jh@suse.cz>
5090
5091         * errors.h (warning, error, fatal, internal_error): Mark as cold.
5092         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
5093         are hot.
5094         (probably_cold_bb_p): Cold functions are cold.
5095         (probably_never_executed_bb_p): Cold functions are cold.
5096         (tree_bb_level_predictions): Predict calls to cold functions as not
5097         taken.
5098         (compute_function_frequency): Check hot/cold attributes.
5099         * function.h (function_frequency): Update comments.
5100         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
5101         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
5102         (c_common_att): Add cold and hot.
5103
5104         * doc/extend.texi (hot,cold attributes): Document.
5105
5106 2007-03-06  Andrew Haley  <aph@redhat.com>
5107
5108         * function.c (expand_function_end): Move blockage to just after we
5109         emit the label for the naked return from the function.
5110
5111 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5112
5113         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
5114         before redefining.
5115
5116 2007-03-06  Jan Hubicka  <jh@suse.cz>
5117
5118         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
5119         loaded for constant large models.  Non-large 64bit PIC can do.
5120         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
5121         * cmodel.h: Add LARGE PIC.
5122         * i386.md (UNSPEC_PLTOFF): New.
5123         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
5124         needed.
5125         (*call_1_rex64): Disable for large models.
5126         (*call_1_rex64_large): New.
5127         (*call_value_1_rex64): Disable for large models.
5128         (*call_value_1_rex64_large): New.
5129         (set_rip_rex4): New.
5130         (set_got_offset_rex64): New.
5131         * predicates.md (constant_call_address_operand): For large model
5132         constant calls are not possible.
5133         * i386-protos.h (construct_plt_address): Declare.
5134         * i386.c (override_options): Accept large models.
5135         (ix86_expand_prologue): Expand large PIC GOT pointer load.
5136         (legitimate_constant_p): Add new UNSPECs.
5137         (legitimate_pic_operand_p): Likewise.
5138         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
5139         (legitimize_pic_address): Do easy RIP relative way for TLS only for
5140         non-large model.
5141         (output_pic_addr_const): Add PLTOFF.
5142         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
5143         (ix86_expand_move): Legitimize pic address when in PIC mode.
5144         (construct_plt_address): New function.
5145         (ix86_expand_call): Offload the address to register and use GOT pointer
5146         for large model.
5147         * invoke.texi (mcmodel=large): Update documentation.
5148
5149 2007-03-06  Richard Henderson  <rth@redhat.com>
5150
5151         * config/i386/i386.c (x86_use_leave, x86_push_memory,
5152         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
5153         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
5154         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
5155         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
5156         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
5157         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
5158         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
5159         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
5160         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5161         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5162         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
5163         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5164         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5165         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
5166         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
5167         x86_schedule, x86_use_bt, x86_pad_returns,
5168         x86_use_xchgb): Merge into ...
5169         (ix86_tune_features): ... here.  New array.
5170         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5171         x86_bswap): Merge into ...
5172         (ix86_arch_features): ... here.  New array.
5173         (x86_3dnow_a): Remove.
5174         (x86_accumulate_outgoing_args): Make static.
5175         (x86_arch_always_fancy_math_387): Make static.
5176         (ix86_tune_mask, ix86_arch_mask): Move ...
5177         (override_options): ... to local variables here.  Apply the
5178         appropriate mask to each element of ix86_arch_features and
5179         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
5180         as were done in the old macros.
5181         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
5182         * config/i386/i386.h (x86_use_leave, x86_push_memory,
5183         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
5184         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
5185         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
5186         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
5187         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
5188         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
5189         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
5190         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
5191         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
5192         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5193         x86_accumulate_outgoing_args, x86_prologue_using_move,
5194         x86_epilogue_using_move, x86_decompose_lea,
5195         x86_arch_always_fancy_math_387, x86_shift1,
5196         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5197         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5198         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
5199         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5200         x86_use_incdec, x86_pad_returns, x86_bswap,
5201         x86_partial_flag_reg_stall): Remove.
5202         (enum ix86_tune_indices): New.
5203         (ix86_tune_features): New.
5204         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
5205         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
5206         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
5207         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
5208         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
5209         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
5210         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
5211         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
5212         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
5213         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
5214         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
5215         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
5216         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
5217         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
5218         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
5219         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
5220         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
5221         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
5222         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
5223         TARGET_EXT_80387_CONSTANTS): Use it.
5224         (enum ix86_arch_indices): New.
5225         (ix86_arch_features): New.
5226         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
5227         TARGET_BSWAP): Use it.
5228         (ix86_tune_mask, ix86_arch_mask): Remove.
5229
5230 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
5231
5232         PR bootstrap/31020
5233         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
5234         Define using $${sysroot_headers_suffix}.
5235         * configure: Regenerate.
5236         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
5237         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
5238         defined.
5239         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
5240         * gcc.c (print_sysroot_headers_suffix): New.
5241         (option_map): Include --print-sysroot-headers-suffix.
5242         (display_help): Mention -print-sysroot-headers-suffix.
5243         (process_command): Handle -print-sysroot-headers-suffix.
5244         (do_spec_1): Append multilib directory to include-fixed path if
5245         sysroot suffixes in use.
5246         (main): Handle -print-sysroot-headers-suffix.
5247         * Makefile.in (start.encap): Don't depend on xlimits.h
5248         (xlimits.h): Remove.
5249         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
5250         limits.h for each multilib in fixinc_list.
5251         (fixinc_list, s-fixinc_list): New.
5252         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
5253         generate them for each multilib in fixinc_list.
5254         (stmp-fixproto): Use include-fixed.  Run fixproto for each
5255         multilib in fixinc_list.
5256         (mostlyclean): Don't remove xlimits.h.
5257         (clean): Remove include-fixed.
5258         (real-install-headers-tar, real-install-headers-cpio,
5259         real-install-headers-cp): Don't copy include, only include-fixed.
5260         (install-mkheaders): Depend on fixinc_list.  Don't depend on
5261         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
5262         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
5263         SYSTEM_HEADER_DIR setting in mkheaders.conf.
5264
5265 2007-03-06  Jan Hubicka  <jh@suse.cz>
5266
5267         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
5268         NANs easilly.
5269
5270 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5271
5272         * configure.ac: Allow tm_file to contain build-directory files.
5273         * configure: Regenerate.
5274         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
5275         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
5276         * config/m68k/print-sysroot-suffix.sh: New file.
5277
5278 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5279
5280         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
5281         of pic_offset_table_rtx if reload_completed.
5282         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
5283         PIC_OFFSET_TABLE_REGNUM.
5284         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
5285         return true.
5286         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
5287         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
5288
5289 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5290
5291         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5292         functions that call eh_return.
5293
5294 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5295
5296         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5297         functions that need a constant pool.
5298
5299 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5300
5301         PR target/28181
5302         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
5303         (m68k_preferred_reload_class): Likewise.
5304         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
5305         (SECONDARY_RELOAD_CLASS): Define.
5306         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
5307         (LIMIT_RELOAD_CLASS): Delete.
5308         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
5309         registers from storing bytes.
5310         (m68k_secondary_reload_class): New function.
5311         (m68k_preferred_reload_class): Likewise.
5312
5313 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5314
5315         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
5316         leaf functions.
5317         (m68k_expand_prologue): Likewise.
5318
5319 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5320
5321         * config/m68k/m68k-protos.h (output_sibcall): Declare.
5322         (mips_expand_epilogue): Add a bool parameter.
5323         (m68k_legitimize_sibcall_address): Declare.
5324         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5325         (m68k_expand_epilogue): Add a parameter to select between sibling
5326         and normal epilogues.  Only generate a return for the latter.
5327         (m68k_ok_for_sibcall_p): New function.
5328         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5329         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5330         (sibcall_value, *sibcall_value): Likewise.
5331         (*call, *call_value): Require !SIBLING_CALL_P.
5332         (epilogue): Update call to m68k_expand_epilogue.
5333         (sibcall_epilogue): New pattern.
5334         * config/m68k/predicates.md (const_call_operand): Say that this
5335         predicate applies to sibling calls too.
5336         (sibcall_operand): New predicate.
5337
5338 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5339
5340         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5341         alternatives as movsi_cf.
5342         (movsf_cf_hard): Add commentary.
5343
5344 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
5345             Richard Sandiford  <richard@codesourcery.com>
5346
5347         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5348         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5349         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5350         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
5351         as being live on exit from an interrupt function.
5352         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5353         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5354         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5355         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5356         (m68k_interrupt_function_p): Globalize.
5357         (m68k_compute_frame_layout): Remove reverse mask code.
5358         (m68k_emit_movem, m68k_set_frame_related): New functions.
5359         (m68k_output_function_prologue): Delete in favor of...
5360         (m68k_expand_prologue): ...this new function.
5361         (m68k_output_function_epilogue): Delete in favor of...
5362         (m68k_expand_epilogue): ...this new function.
5363         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
5364         functions.
5365         (print_operand): Handle %?.
5366         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
5367         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
5368         (prologue, epilogue): New patterns.
5369         (return): Turn into a define_expand.
5370         (*return): New pattern, derived from old "return" pattern.  Use rte
5371         rather than rts for interrupt functions.  Only use rtd if the pop
5372         count is nonzero.
5373         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
5374         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
5375         (link, *link, unlink, *unlink, load_got): Likewise.
5376
5377 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5378
5379         PR target/23482
5380         PR target/17114
5381         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
5382         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
5383         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
5384         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
5385         and m68k_matches_u_p.
5386         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
5387         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
5388         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
5389         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
5390         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
5391         (REG_STRICT_P): New macro.
5392         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
5393         PCREL_GENERAL_OPERAND_OK.
5394         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
5395         m68k_legitimate_base_reg_p.
5396         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5397         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5398         (PIC_CASE_VECTOR_ADDRESS): Update comment.
5399         * config/m68k/m68k.c (m68k_address): New structure.
5400         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5401         (m68k_decompose_index, m68k_legitimate_constant_address_p)
5402         (m68k_jump_table_ref_p, m68k_decompose_address)
5403         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5404         (m68k_matches_u_p): New functions.
5405         (print_operand_address): Rewrite to use m68k_decompose_index.
5406
5407 2007-03-05  David Taylor  <dtaylor@emc.com>
5408
5409         * gcc.c: Correct copyright date in --version output.
5410
5411 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5412
5413         * pa.md: In unamed move patterns, disparge copies between general
5414         and floating point registers using '?' modifier.  Don't include 'f'
5415         constraint for register preferences in DImode, SImode, HImode and
5416         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
5417         Remove constraints for copies between general and floating registers
5418         in soft-float DFmode pattern.
5419         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
5420         floating register.
5421         (movsf): Likewise.
5422
5423 2007-03-05  Mike Stump  <mrs@apple.com>
5424
5425         * c-common.c (targetcm): Add.
5426         * c-opts.c (c_common_handle_option): Handle language specific
5427         target options.
5428         * opts.c (handle_option): Verify language for target options, if
5429         any are given.
5430         * opth-gen.awk: Add CL_LANG_ALL.
5431         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
5432         (TARGETCM_INITIALIZER): Add.
5433         * target.h (struct gcc_targetcm): Add.
5434         (targetcm): Add.
5435         * targhooks.c (default_handle_c_option): Add.
5436         * targhooks.h (default_handle_c_option): Add.
5437         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
5438
5439         * config/darwin.opt (iframework): Add.
5440         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
5441         * config/darwin-c.c (handle_c_option): Add.
5442         (TARGET_HANDLE_C_OPTION): Add.
5443         (targetcm): Add.
5444         * doc/invoke.texi (Darwin Options): Add -iframework.
5445
5446 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5447
5448         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
5449         conversion.
5450
5451 2007-03-05  Ian Lance Taylor  <iant@google.com>
5452
5453         * c.opt (fgnu89-inline): New option.
5454         * c-opts.c (c_common_post_options): Set default value for
5455         flag_gnu89_inline.
5456         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
5457         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
5458         inline functions.
5459         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
5460         (grokdeclarator, start_function): Likewise.
5461         * c-cppbuiltin.c (c_cpp_builtins): Define either
5462         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
5463         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
5464         (C Dialect Options): Document -fgnu89-inline.
5465         * doc/extend.texi (Function Attributes): Explain what the
5466         gnu_inline attribute does.
5467         * doc/cpp.texi (Common Predefined Macros): Document
5468         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
5469
5470 2007-03-05  Ian Lance Taylor  <iant@google.com>
5471
5472         PR tree-optimization/31034
5473         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
5474         half-range if the other side is an overflow infinity.
5475
5476 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5477
5478         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
5479         (bfin*-linux-uclibc*): New configuration.
5480         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
5481         defining.
5482         * config/bfin/linux.h: New file.
5483         * config/bfin/libgcc-bfin.ver: New file.
5484         * config/bfin/t-bfin-uclinux: New file.
5485         * config/bfin/t-bfin-linux: New file.
5486         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
5487         (TARGET_OS_CPP_BUILTINS): New macro.
5488
5489 2007-03-05  Richard Guenther  <rguenther@suse.de>
5490
5491         * fold-const.c (fold_binary): Remove duplicate folding
5492         of comparison of non-null ADDR_EXPR against null.
5493
5494 2007-03-05  Richard Guenther  <rguenther@suse.de>
5495             Dorit Nuzman  <dorit@il.ibm.com>
5496
5497         PR tree-optimization/26420
5498         * tree-vectorizer.c (vectorize_loops): Bail out early if there
5499         are no loops in the function.  Only print the number of
5500         vectorized loops if it is greater than zero or we are supposed
5501         to print information about unvectorized loops.
5502
5503 2007-03-05  Revital Eres  <eres@il.ibm.com>
5504
5505         * gcc.dg/var-expand1.c: New test.
5506         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
5507         when an accumulator is expanded.
5508
5509 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5510
5511         PR other/30465
5512         * c-common.c (convert_and_check): Don't give warnings for
5513         conversion if 'expr' already overflowed.
5514
5515 2007-03-04  Roger Sayle  <roger@eyesopen.com>
5516
5517         PR middle-end/30744
5518         * fold-const.c (fold_comparison): Enforce type consistency when
5519         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
5520
5521 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
5522
5523         * tree-ssa-address.c (create_mem_ref): Do not put an expression
5524         containing a cast to the base of TARGET_MEM_REF.
5525
5526 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
5527
5528         * tree.c (tree_contains_struct_check_failed): Remove spurious
5529         whitespace from error message.
5530
5531 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
5532
5533         PR target/30406
5534         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
5535         instead of precision.
5536
5537 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
5538             Nathan Sidwell  <nathan@codesourcery.com>
5539
5540         * emit-rtl.c (find_auto_inc): New.
5541         (try_split): recreate REG_INC notes,
5542         Use regular for loops rather than whiles.
5543
5544 2007-03-03  Andreas Schwab  <schwab@suse.de>
5545
5546         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
5547         * configure: Regenerate.
5548
5549 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5550
5551         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
5552         flag_rounding_math, not flag_unsafe_math_optimizations.
5553
5554         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
5555         fold_build2.
5556         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
5557         alpha_fold_vector_minmax): Likewise.
5558         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5559         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
5560
5561 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5562
5563         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5564         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5565         if the lhs has side-effects.
5566         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5567
5568 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5569
5570         * config/i386/i386.h (TUNEMASK): Remove define.
5571         (ARCHMASK): Remove define.
5572         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5573          Use ix86_arch_mask variable instead of ARCHMASK.
5574         * config/i386/i386.c (override_options): Ditto.
5575         (standard_80387_constant_p): Ditto.
5576
5577 2007-03-02  Ian Lance Taylor  <iant@google.com>
5578
5579         Used signed infinities in VRP.
5580         * tree-vrp.c (uses_overflow_infinity): New static function.
5581         (supports_overflow_infinity): New static function.
5582         (make_overflow_infinity): New static function.
5583         (negative_overflow_infinity): New static function.
5584         (positive_overflow_infinity): New static function.
5585         (is_negative_overflow_infinity): New static function.
5586         (is_positive_overflow_infinity): New static function.
5587         (is_overflow_infinity): New static function.
5588         (overflow_infinity_range_p): New static function.
5589         (compare_values_warnv): New function split out of compare_values.
5590         (compare_value): Call it.
5591         (set_value_range_to_nonnegative): Add overflow_infinity
5592         parameter.  Change caller.
5593         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5594         Change callers.
5595         (vrp_expr_computes_nonzero): Likewise.
5596         (compare_ranges, compare_range_with_value): Likewise.
5597         (compare_name_with_value, compare_names): Likewise.
5598         (vrp_evaluate_conditional): Likewise.
5599         (set_value_range): Handle infinity
5600         (vrp_operand_equal_p, operand_less_p): Likewise.
5601         (extract_range_from_assert): Likewise.
5602         (vrp_int_const_binop): Likewise.
5603         (extract_range_from_binary_expr): Likewise.
5604         (extract_range_from_unary_expr): Likewise.
5605         (extract_range_from_comparison): Likewise.
5606         (extract_range_from_expr): Likewise.
5607         (dump_value_range): Likewise.
5608         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5609         (test_for_singularity): Likewise.
5610         (vrp_int_const_binop): Remove inline qualifier.
5611         (adjust_range_with_scev): Add comment.
5612         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5613
5614 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
5615
5616         * tree-ssa-structalias.c (could_have_pointers): Tidy.
5617         (get_constraint_for): Likewise.
5618         (do_structure_copy): Likewise.
5619         (find_func_aliases): Fix references to MODIFY_EXPR.
5620         (intra_create_variable_infos): Tidy.
5621         * tree-ssa-operands.c (add_virtual_operand): Add argument
5622         IS_CALL_SITE.
5623         When adding members of alias sets, if IS_CALL_SITE is true and
5624         the symbol is not call-clobbered, skip it.
5625         Adjust all callers.
5626
5627 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5628
5629         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5630         entry by means of emit_insn_at_entry.
5631
5632 2007-03-02  Richard Henderson  <rth@redhat.com>
5633
5634         * expr.h (promoted_input_arg): Remove decl.
5635         * function.c (promoted_input_arg): Merge into ...
5636         * combine.c (setup_incoming_promotions): ... only caller.
5637         Rearrange to avoid double loop.
5638
5639 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5640             Peter Bergner  <bergner@vnet.ibm.com>
5641             Janis Johnson  <janis187@us.ibm.com>
5642
5643         * config/rs6000/dfp.md: New file.
5644         * config/rs6000/rs6000.md: Include dfp.md.
5645         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
5646         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
5647         and TDmode decimal float modes in FP registers.
5648         (num_insns_constant): Likewise.
5649         (rs6000_legitimate_offset_address_p): Likewise.
5650         (rs6000_legitimize_address): Likewise.
5651         (rs6000_legitimize_reload_address): Likewise.
5652         (rs6000_legitimate_address): Likewise.
5653         (rs6000_emit_move): Likewise.
5654         (function_arg_boundary): Likewise.
5655         (function_arg_advance): Likewise.
5656         (rs6000_darwin64_record_arg_recurse): Likewise.
5657         (function_arg): Likewise.
5658         (rs6000_gimplify_va_arg): Likewise.
5659         (rs6000_split_multireg_move): Likewise.
5660         (rs6000_output_function_epilogue): Likewise.
5661         (rs6000_output_function_epilogue): Likewise.
5662         (rs6000_register_move_cost): Likewise.
5663         (rs6000_function_value): Likewise.
5664         (rs6000_libcall_value): Likewise.
5665
5666 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5667
5668         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
5669
5670 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5671
5672         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
5673         Use $MULTIDIR to choose between the kernel and RTP headers,
5674         and use $WIND_BASE and $WIND_USR to locate them.
5675
5676 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5677
5678         * config/i386/i386.c (override_options): Put initialization of
5679         ix86_tune_mask and ix86_arch_mask to the correct place.
5680
5681 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5682             Michael Meissner  <michael.meissner@amd.com>
5683
5684         PR target/31019
5685         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
5686         (ARCHMASK): Define.
5687         (TARGET_CMOVE): Use ARCHMASK.
5688         (TARGET_CMPXCHG): Ditto.
5689         (TARGET_CMPXCHG8B): Ditto.
5690         (TARGET_XADD): Ditto.
5691         (TARGET_BSWAP): Ditto.
5692         * config/i386/i386.c (ix86_tune_mask): New global variable.
5693         (ix86_arch_mask): Ditto.
5694         (override_options): Initialize ix86_tune_mask and
5695         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
5696         target_flags.
5697
5698 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5699
5700         PR 30992
5701         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
5702
5703 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
5704
5705         * target.h (init_dwarf_reg_sizes_extra): New target hook.
5706         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
5707         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
5708         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
5709         hook.
5710         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
5711         rs6000_init_dwarf_reg_sizes_extra): New.
5712         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
5713         SPE register high parts.
5714
5715 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
5716
5717         * Makefile.in: Add install-pdf target as
5718         copied from automake v1.10 rules.
5719         * configure.ac: Add install-pdf to target list.
5720         * configure: Regenerate.
5721
5722 2007-03-01  Paul Brook  <paul@codesourcery.com>
5723
5724         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
5725         modes to LDRD for DImode.
5726         (output_move_double): Fixup out of range ldrd/strd.
5727         (vfp_secondary_reload_class): Rename...
5728         (coproc_secondary_reload_class): ... to this.  Add wb argument.
5729         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
5730         coproc_secondary_reload_class for CLASS_IWMMXT.
5731         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
5732         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
5733
5734 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
5735
5736         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
5737         factor by the estimated number of iterations.
5738         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
5739         prefetch latency.
5740
5741         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
5742         decode_caches_intel, detect_caches_intel): New functions.
5743         (host_detect_local_cpu): Use detect_caches_amd and
5744         detect_caches_intel.
5745
5746 2007-03-01  Richard Henderson  <rth@redhat.com>
5747
5748         * expr.c (emit_move_complex_push): Export.
5749         (emit_move_complex_parts): Split out from ...
5750         (emit_move_complex): ... here.
5751         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
5752         * config/i386/i386.md (movcdi): New.
5753
5754 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
5755
5756         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
5757         size of mode1 to check for tieable modes in MMX case.
5758
5759 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
5760
5761         * Makefile.in (rtlanal.o): Depend on tree.h.
5762         * rtl.h (offset_within_section_p, split_const): Declare.
5763         * rtlanal.c: Include tree.h.
5764         (offset_within_block_p): New function, taken from
5765         mips_offset_within_object_p.
5766         (split_const): New function, taken from mips_split_const.
5767         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
5768         Declare.
5769         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
5770         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
5771         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
5772         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5773         (m68k_illegitimate_symbolic_constant_p): New function.
5774         * config/m68k/m68k.md (movsi): Remove misleading predicates.
5775         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
5776         symbolic constant that might be outside the symbol's section,
5777         move the symbol first and then add the offset.
5778         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
5779         Override.
5780         * config/mips/mips.c (mips_split_const): Delete.
5781         (mips_offset_within_object_p): Delete.
5782         (mips_symbolic_constant_p): Use offset_within_section_p and
5783         split_const instead of mips_offset_within_object_p and
5784         mips_split_const.
5785         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
5786         (mips_legitimize_const_move, print_operand_reloc)
5787         (mips_dangerous_for_la25_p): Use split_const instead of
5788         mips_split_const.
5789
5790 2007-02-28  Eric Christopher  <echristo@apple.com>
5791
5792         * Makefile.in (install-include-dir): Don't rm -rf include.
5793
5794 2007-02-28  Richard Guenther  <rguenther@suse.de>
5795
5796         PR middle-end/30364
5797         * fold-const.c (fold_binary): Do not associate expressions
5798         with more than one variable for integer types that do not wrap.
5799
5800 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
5801
5802         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
5803         Delete, and replace with...
5804         (fold_builtin_call_array): This.  Update callers to use it.
5805         * fold-const.c (fold_build_call_list): Delete, and replace with...
5806         (fold_build_call_array): This.
5807         (fold_build_call_list_initializer): Delete, and replace with...
5808         (fold_build_call_array_initializer): This.
5809         * tree.h: Update declarations to reflect above changes.
5810
5811         * c-typeck.c (build_function_call): Store converted arguments
5812         in a stack-allocated array instead of building a list.
5813         (convert_arguments): Store arguments in the array passed in as an
5814         argument, and return the actual number of arguments.
5815         * c-format.c: (check_function_format): Pass arguments in an
5816         array instead of a list.
5817         * c-common.c (check_function_nonnull): Likewise.
5818         (check_function_sentinel): Likewise.
5819         (check_function_arguments): Likewise.
5820         * c-common.h: Update declarations to reflect above changes.
5821
5822 2007-02-28  Jan Hubicka  <jh@suse.cz>
5823
5824         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
5825         PRED_NEGATIVE_RETURN): Update outcomes.
5826
5827 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
5828
5829         * calls.c (emit_library_call_value_1): Handle partial registers
5830         correctly when building up CALL_INSN_FUNCTION_USAGE.
5831
5832 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5833
5834         * pa/predicates.md (move_src_operand): Allow zero for mode.
5835         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
5836         move pattern.
5837
5838 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
5839
5840         PR target/30970
5841         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
5842         *movv2df_internal): Enable pattern only for valid operand
5843         combinations.
5844         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
5845         tie only 128bit modes. For MMX registers, tie only 64bit modes.
5846
5847 2007-02-27  Mike Stump  <mrs@apple.com>
5848
5849         * config/darwin-crt3.c: Avoid compilation when compiling for a
5850         kext multilib.
5851
5852 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
5853
5854         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
5855         FIXED_INCLUDE_DIR.
5856         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
5857         for fixed headers and limits.h.
5858         (install-include-dir, install-headers-tar, install-headers-cpio,
5859         install-headers-cp, real-install-headers-tar,
5860         real-install-headers-cpio, real-install-headers-cp): Handle
5861         include-fixed as well as include.
5862         (install-mkheaders): Don't install files that go only in include
5863         not include-fixed.
5864         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
5865         from GCC_INCLUDE_DIR.
5866         * gcc.c (process_command): Remove special -BstageN/ handling.
5867         (do_spec_1): Add include-fixed directories.
5868
5869 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5870
5871         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
5872         _smulsi3_highpart.
5873         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
5874         New functions.
5875         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
5876         patterns.
5877
5878 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
5879
5880         * c-common.c (get_priority): Add check for
5881         SUPPORTS_INIT_PRIORITY.
5882
5883 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5884
5885         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5886
5887         * config/bfin/bfin.c: Include "cfglayout.h".
5888         (MAX_LSETUP_DISTANCE): New macro.
5889         (struct loop_info): New members incoming, incoming_src and
5890         incoming_dest.  Delete member predecessor.
5891         (length_for_loop): New function.
5892         (bfin_optimize_loop): Handle more different loop structures.
5893         (bfin_discover_loop): Rework detection of predecessor blocks by
5894         examining incoming edges.
5895         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
5896         bfin_reorg_loops.
5897         (bfin_reorder_loops): New function.
5898         (bfin_reorg_loops): Use these three new functions.
5899
5900         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
5901         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
5902         (CONSTRAINT_LEN): Add entry for 'q'.
5903         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
5904         Add 'q' constraints.
5905         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
5906         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
5907
5908         * config/bfin/bfin.md (add_with_carry): New pattern.
5909         (s_or_u, su_optab, su_modifier): New code macros/attrs.
5910         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
5911         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
5912         support unsigned multiplies too.  Removed incorrect commutativity from
5913         operand 1 constraint where appropriate.
5914         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
5915         patterns.
5916         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
5917         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
5918         New patterns.
5919         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
5920         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
5921         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
5922         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
5923         usmulhisi_hh_huh): New patterns.
5924
5925         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
5926         lshifthi3): Fix output template to use half reg for operand 2.
5927
5928         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
5929         instead of R2.
5930
5931         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
5932
5933 2007-02-27  Andreas Schwab  <schwab@suse.de>
5934
5935         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
5936
5937 2007-02-27  Jan Hubicka  <jh@suse.cz>
5938
5939         * predict.c (last_basic_block_p): Remove.
5940         (tree_estimate_probability): Update return heuristic for commonized
5941         return blocks.
5942
5943 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5944
5945         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
5946
5947 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5948
5949         * doc/include/gcc-common.texi (versionsubtitle): New macro.
5950         * doc/cpp.texi: Standardize title page.
5951         * doc/cppinternals.texi: Likewise.
5952         * doc/gcc.texi: Standardize title page, remove version number
5953         from copyright page.
5954         * doc/gccint.texi: Likewise.
5955         * doc/install.texi: Standardize title page, add table of
5956         contents.
5957
5958 2007-02-26  Jan Hubicka  <jh@suse.cz>
5959
5960         * predict.def: Set outcomes according to more recent results.
5961         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
5962         Remove dead predictors.
5963         * predict.c (return_prediction): Fix pasto.
5964
5965 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5966
5967         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
5968         change; avoid a memory leak when returning early.
5969
5970 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
5971
5972         * c-decl.c (static_ctors): Move to c-common.c.
5973         (static_dtors): Likewise.
5974         (finish_function): Use c_record_cdtor_fn.
5975         (build_cdtor): Move to c-common.c.
5976         (c_write_global_declarations): Use c_build_cdtor_fns.
5977         * c-common.h (static_ctors): Declare.
5978         (static_dtors): Likewise.
5979         (c_record_cdtor_fn): Likewise.
5980         (c_build_cdtor_fns): Likewise.
5981         * c-common.c (static_ctors): New variable.
5982         (static_dtors): Likewise.
5983         (c_record_cdtor_fn): New function.
5984         (build_cdtor): Move from c-decl.c
5985         (c_build_cdtor_fns): New function.
5986
5987         * output.h (assemble_addr_to_section): Declare.
5988         (get_cdtor_priority_section): Likewise.
5989         * varasm.c (assemble_addr_to_section): New function.
5990         (get_cdtor_priority_section): Likewise.
5991         (default_named_section_asm_out_destructor): Use them.
5992         (destor_dtor_section_asm_out_destructor): Likewise.
5993         (default_named_section_asm_out_constructor): Likewise.
5994         (default_ctor_section_asm_out_constructor): Likewise.
5995         * config.gcc (*-*-vxworks*): Include vxworks.o.
5996         * config/t-vxworks (vxworks.o): New target.
5997         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
5998         (TARGET_ASM_CONSTRUCTOR): Define.
5999         (TARGET_ASM_DESTRUCTOR): Likewise.
6000         (vxworks_asm_out_constructor): Declare.
6001         (vxworks_asm_out_destructor): Likewise.
6002
6003         * c-common.c (get_priority): Check that we have not just an
6004         INTEGER_CST, but an integer constant with integeral type.
6005
6006 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
6007
6008         PR tree-optimization/30938
6009         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
6010         use &dt[nargs-1] instead of &dt[nargs] in the call to
6011         vect_is_simple_use().
6012
6013 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
6014
6015         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
6016         from register elimination as PRE_MODIFY / POST_MODIFY increments.
6017         Do not attempt to handle MEM inside auto-inc expressions.
6018         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
6019         of a register modified by an auto-inc expression.  However, do handle
6020         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
6021         (elimination_effects): Prohibit elimination of a register modified
6022         by an auto-inc expression.  Disable register elimination rules whose
6023         target register is modified by an auto-inc expression with variable
6024         increment.
6025
6026 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
6027
6028         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
6029         off-by-one error.
6030         (array_at_struct_end_p): New function.
6031         (idx_infer_loop_bounds): Use it.
6032         (estimate_numbers_of_iterations_loop): Export.
6033         * predict.c (predict_loops): Use estimated_loop_iterations_int.
6034         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
6035         (tree_estimate_probability): Call record_loop_exits.
6036         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
6037         (estimated_loop_iterations, estimated_loop_iterations_int,
6038         estimated_loop_iterations_tree): New functions.
6039         (analyze_siv_subscript_cst_affine,
6040         compute_overlap_steps_for_affine_1_2,
6041         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
6042         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
6043         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
6044         (PRED_LOOP_ITERATIONS_GUESSED): New.
6045         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
6046         * cfgloop.h (estimate_numbers_of_iterations_loop,
6047         estimated_loop_iterations_int): Declare.
6048
6049 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
6050
6051         * doc/extend.texi: Document optional priority argument to
6052         constructors and destructors.
6053         * tree.c (init_priority_for_decl): Adjust GTY markers.
6054         (init_ttree): Use priority-info hash functions for
6055         init_priority_for_decl.
6056         (tree_map_eq): Rename to ...
6057         (tree_map_base_eq): ... this.
6058         (tree_map_marked_p): Rename to ...
6059         (tree_map_base_marked_p): ... this.
6060         (tree_map_base_hash): New function.
6061         (decl_init_priority_lookup): Rework.
6062         (decl_fini_priority_lookup): New function.
6063         (decl_priority_info): New function.
6064         (decl_init_priority_insert): Use it.
6065         (decl_fini_priority_insert): Likewise.
6066         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
6067         hierarchy.
6068         (decl_restrict_base_insert): Likewise.
6069         (decl_debug_expr_insert): Likewise.
6070         (decl_value_expr_lookup): Likewise.
6071         (decl_value_expr_insert): Likewise.
6072         * tree.h (priority_type): New type.
6073         (decl_init_priority_lookup): Use priority_type.
6074         (decl_fini_priority_lookup): New function.
6075         (decl_init_priority_insert): Use priority_type.
6076         (decl_fini_priority_insert): New function.
6077         (DECL_HAS_INIT_PRIORITY): Tweak comments.
6078         (DECL_INIT_PRIORITY): Likewise.
6079         (SET_DECL_INIT_PRIORITY): Add comment.
6080         (DECL_FINI_PRIORITY): New macro.
6081         (SET_DECL_FINI_PRIORITY): Likewise.
6082         (DEFAULT_INIT_PRIORITY): Document.
6083         (MAX_INIT_PRIORITY): Likewise.
6084         (MAX_RESERVED_INIT_PRIORITY): Likewise.
6085         (tree_map_base): New type.
6086         (tree_map_base_eq): New function.
6087         (tree_map_base_hash): Likewise.
6088         (tree_map_base_marked_p): Likewise.
6089         (tree_map): Inherit from tree_map_base.
6090         (tree_map_eq): Make it a macro.
6091         (tree_map_marked_p): Likewise.
6092         (tree_int_map): Inherit from tree_map_base.
6093         (tree_int_map_eq): Make it a macro.
6094         (tree_int_map_hash): Likewise.
6095         (tree_int_map_marked_p): Likewise.
6096         (tree_priority_map): New type.
6097         (tree_priority_map_eq): New macro.
6098         (tree_priority_map_hash): Likewise.
6099         (tree_priority_map_marked_p): Likewise.
6100         * varasm.c (emults_decl): Adjust for refactoring of tree_map
6101         hierarchy.
6102         (emutls_common_1): Likewise.
6103         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
6104         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
6105         of tree_map hierarchy.
6106         * tree-cfg.c (move_stmt_r): Likewise.
6107         (new_label_mapper): Likewise.
6108         * c-tree.h (c_expand_body): Move to ...
6109         * c-common.h (c_expand_body): ... here.
6110         * c-decl.c (c_expand_body): Move to ...
6111         * c-common.c (c_expand_body): ... here.
6112         (c_common_attribute_table): Allow 1 argument for the constructor
6113         and destructor attributes.
6114         (get_priority): New function.
6115         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
6116         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
6117
6118 2007-02-24  Jan Hubicka  <jh@suse.cz>
6119
6120         PR middle-end/30509
6121         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
6122
6123 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6124             Jan Hubicka  <jh@suse.cz>
6125
6126         PR target/30778
6127         * i386.c (counter_mode): New function.
6128         (expand_set_or_movmem_via_loop): Use it.
6129         (expand_movmem_epilogue): Likewise; fix pasto.
6130         (ix86_expand_movmem): Do emit guard even for constant counts.
6131         (ix86_expand_setmem): Likewise.
6132
6133 2007-02-25  Nick Clifton  <nickc@redhat.com>
6134
6135         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
6136         (JUMP_TABLES_IN_TEXT_SECTION): Define.
6137
6138 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6139
6140         PR target/30770
6141         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
6142         count argument with 0x10, not with 0x16.
6143         (expand_setmem_epilogue): Ditto.
6144
6145 2007-02-24  Mike Stump  <mrs@apple.com>
6146
6147         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
6148         symbols.
6149
6150 2007-02-24  Richard Guenther  <rguenther@suse.de>
6151
6152         PR middle-end/30951
6153         * fold-const.c (fold_binary): Fold x +- CST op x for
6154         EQ_EXPR and NE_EXPR.
6155
6156 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6157
6158         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
6159
6160 2007-02-24  Jan Hubicka  <jh@suse.cz>
6161
6162         * cgraphunit.c (decide_is_function_needed): Honor
6163         -fkeep-inline-functions.
6164
6165 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6166
6167         * builtins.c (fold_builtin_modf): New.
6168         (fold_builtin_2): Use it.
6169
6170 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
6171
6172         * loop-iv.c (implies_p): Detect additional cases where A implies B.
6173         (determine_max_iter): Take additional LOOP arg; all callers changed.
6174         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
6175         one using simplifications.
6176         (simplify_using_initial_values): Return if the expression becomes
6177         invalid due to altered regs.
6178
6179 2007-02-23  DJ Delorie  <dj@redhat.com>
6180
6181         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
6182
6183 2007-02-23  Mike Stump  <mrs@apple.com>
6184
6185         * tlink.c (scan_linker_output): Parse linker messages from
6186         darwin9's linker better.
6187
6188 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
6189
6190         PR debug/29614
6191         * varpool.c (varpool_assemble_pending_decls):  Set
6192         varpool_last_needed_node to null.
6193
6194 2007-02-23  DJ Delorie  <dj@redhat.com>
6195
6196         * config/i386/i386.c (ix86_data_alignment): Don't specify an
6197         alignment bigger than the object file can handle.
6198
6199 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
6200
6201         PR target/30825
6202         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
6203         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
6204         (*movsf_1): Penalize MMX moves.
6205
6206 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
6207
6208         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
6209         2^32-1 or more times unless flag_unsafe_loop_optimizations.
6210
6211         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
6212
6213 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6214
6215         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
6216         (fold_builtin_1): Use them.
6217         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
6218         BUILT_IN_SIGNIFICAND.
6219
6220 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6221
6222         * config/i386/i386.c (bdesc_1arg): Initialize
6223         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
6224         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
6225         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
6226         and IX86_BUILTIN_MOVSLDUP.
6227
6228 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
6229
6230         PR rtl-optimization/30841
6231         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
6232
6233 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6234
6235         * builtins.c (fold_builtin_frexp): New.
6236         (fold_builtin_2): Use it.
6237
6238 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
6239
6240         * doc/invoke.texi (Spec Files): Document getenv spec function.
6241
6242         * gcc.c (getenv_spec_function): New function.
6243         (static_spec_functions): Add it.
6244         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
6245         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
6246         header files.
6247
6248 2007-02-22  Michael Matz  <matz@suse.de
6249
6250         PR c++/29433
6251         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
6252         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
6253
6254 2007-02-22  Ian Lance Taylor  <iant@google.com>
6255
6256         PR debug/30898
6257         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
6258         (mem_loc_descriptor): Call it.
6259
6260 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
6261             Ira Rosen  <irar@il.ibm.com>
6262
6263         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
6264
6265 2007-02-22  Ira Rosen  <irar@il.ibm.com>
6266
6267         PR tree-optimization/30843
6268         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
6269         stores only after all the group is vectorized.
6270
6271 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
6272
6273         PR tree-optimization/30858
6274         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
6275         in the reduction cycle have a single use in the loop.
6276         * tree-vectorizer.h (relevant): Add documentation.
6277
6278 2007-02-20  Mike Stump  <mrs@apple.com>
6279
6280         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
6281         * configure: Regenerate.
6282
6283 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
6284
6285         Change the defaults of some parameters and options.
6286         * config/spu/spu-protos.h (spu_optimization_options): Declare.
6287         * config/spu/spu.c (spu_optimization_options): Add.
6288         (spu_override_options): Change params in spu_optimization_options.
6289         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
6290
6291         Register 127 is only 16 byte aligned when used as a frame pointer.
6292         * config/spu/spu-protos.h (spu_init_expanders): Declare.
6293         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
6294         HARD_FRAME_POINTER_REGNUM.
6295         (spu_legitimate_address):  Use regno_aligned_for_reload.
6296         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
6297         aligned when frame_pointer_needed is true.
6298         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
6299         to 8 bits.
6300         * config/spu/spu.h (INIT_EXPANDERS): Define.
6301
6302         Make sure shift and rotate instructions have valid immediate operands.
6303         * config/spu/predicates.md (spu_shift_operand): Remove.
6304         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
6305         * config/spu/constraints.md (W, O): Extend range.
6306         * config/spu/spu.md (umask, nmask): Define.
6307         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
6308         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
6309         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
6310         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
6311         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
6312         (lshr<mode>3_reg):  Fix rtl description.
6313
6314         Make sure mulhisi immediate operands are valid.
6315         * config/spu/predicates.md (imm_K_operand): Add.
6316         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
6317
6318         Generate constants using fsmbi and andi.
6319         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6320         (print_operand, spu_split_immediate, classify_immediate,
6321         fsmbi_const_p): Handle IC_FSMBI2.
6322
6323         Correctly handle a CONST_VECTOR containing symbols.
6324         * config/spu/spu.c (print_operand): Handle HIGH correctly.
6325         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6326         (immediate_load_p): Allow symbols that use 2 instructions to create.
6327         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
6328         with symbols when flag_pic is set.
6329         (const_vector_immediate_p): New.
6330         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6331         accept a CONST_VECTOR with symbols.
6332         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
6333         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
6334         correctly.
6335         * config/spu/spu.md (high, low): Delete.
6336         (low_<mode>): Define.
6337
6338         Remove INTRmode and INTR_REGNUM, which didn't work.
6339         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6340         of INTR_REGNUM.
6341         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6342         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6343         peephole2 pattern): Don't use INTR or 131.
6344         (movintrcc): Delete.
6345         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6346         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6347         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6348         (UNSPEC_SET_INTR): Add.
6349         * config/spu/spu-modes.def (INTR): Remove.
6350
6351         More accurate warnings about run-time relocations.
6352         * config/spu/spu.c (reloc_diagnostic): Test in_section.
6353
6354         Correctly warn about immediate arguments to specific intrinsics.
6355         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6356         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6357         the instruction predicate.
6358
6359         Fix tree check errors with latest update.
6360         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
6361         CALL_EXPR_ARG.
6362         (spu_expand_builtin): Use CALL_EXPR_FN.
6363
6364         Add missing specific intrinsics.
6365         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
6366         si_bislede.
6367         * config/spu/spu_internals.h: Ditto.
6368
6369         Fix incorrect operand modifiers.
6370         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
6371         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
6372
6373         Optimize one case of zero_extend of a vec_select.
6374         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
6375
6376         Accept any immediate for hbr.
6377         * config/spu/spu.md (hbr):  Change s constraints to i.
6378
6379 2007-02-21  Paul Brook  <paul@codesourcery.com>
6380
6381         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
6382         condexec_count when skipping USE and CLOBBER.
6383
6384 2007-02-21  Nick Clifton  <nickc@redhat.com>
6385
6386         * common.opt (Warray-bounds): Add Warning attribute.
6387         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
6388         Likewise.
6389         (fsized-zeroes): Add Optimization attribute.
6390         (fsplit-wide-types, ftree-scev-cprop): Likewise.
6391         * c.opt (Wc++0x-compat): Add Warning attribute.
6392
6393 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6394
6395         PR middle-end/30761
6396         * reload1.c (eliminate_regs_in_insn): In the single_set special
6397         case, attempt to re-recognize the insn before falling back to
6398         having reload fix it up.
6399
6400 2007-02-20  Eric Christopher  <echristo@gmail.com>
6401
6402         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6403         Rewrite accordingly.
6404         (frv_read_iacc_argument): Ditto.
6405         (frv_expand_set_builtin): Take a call instead of arglist, update for
6406         above changes.
6407         (frv_expand_unop_builtin): Ditto.
6408         (frv_expand_binop_builtin): Ditto.
6409         (frv_expand_cut_builtin): Ditto.
6410         (frv_expand_binopimm_builtin): Ditto.
6411         (frv_expand_voidbinop_builtin): Ditto.
6412         (frv_expand_int_void2arg): Ditto.
6413         (frv_expand_prefetches): Ditto.
6414         (frv_expand_voidtriop_builtin): Ditto.
6415         (frv_expand_voidaccop_builtin): Ditto.
6416         (frv_expand_load_builtin): Ditto.
6417         (frv_expand_store_builtin): Ditto.
6418         (frv_expand_mdpackh_builtin): Ditto.
6419         (frv_expand_mclracc_builtin): Ditto.
6420         (frv_expand_mrdacc_builtin): Ditto.
6421         (frv_expand_mwtacc_builtin): Ditto.
6422         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
6423         calls for above.
6424
6425 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
6426
6427         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
6428         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
6429         cmpb instruction.
6430         (HAVE_GAS_DFP): Check for assembler support of decimal floating
6431         point instructions.
6432         * configure: Regenerate.
6433         * config.in: Regenerate.
6434         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
6435         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
6436         masks to power6 and power6x and to POWERPC_MASKS.
6437         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6438         _ARCH_PWR6.
6439         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
6440         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
6441         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6442         Access PROTOTYPE as variable, not mask.
6443
6444 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6445
6446         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
6447         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
6448         * combine.c (adjust_for_new_dest): Use it.
6449         * postreload.c (reload_combine): Likewise.
6450
6451 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6452
6453         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
6454         notes on an insn with multiple sets, even if single_set returns
6455         non-NULL for that insn.
6456
6457 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6458
6459         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
6460         scalbn and scalbln.
6461
6462 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
6463
6464         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
6465         if user didn't pass it.
6466         * config/i386/darwin.h (CC1_SPEC): Likewise.
6467         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
6468         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
6469         -mmacosx-version-min.
6470
6471 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6472             Uros Bizjak  <ubizjak@gmail.com>
6473
6474         * optabs.h (enum optab_index): Add new OTI_scalb.
6475         (scalb_optab): Define corresponding macro.
6476         * optabs.c (init_optabs): Initialize scalb_optab.
6477         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
6478         patterns.
6479         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
6480         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
6481         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
6482         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
6483         flag_unsafe_math_optimizations is set.
6484
6485         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
6486         to implement scalbf, scalb and scalbl built-ins as inline x87
6487         intrinsics.
6488
6489 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6490             DJ Delorie <dj@redhat.com>
6491
6492         PR other/30824
6493         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
6494         (diagnostic_report_diagnostic): ... here, and turn them into real
6495         errors. If warnings are inhibited, no need to do anything.
6496
6497 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
6498
6499         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
6500         better code generation.
6501
6502 2007-02-20  Ben Elliston  <bje@au.ibm.com>
6503
6504         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
6505
6506 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
6507
6508         * config/alpha/alpha.c, config/alpha/alpha.md,
6509         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
6510         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
6511         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
6512         config/arm/lib1funcs.asm: Follow spelling conventions.
6513
6514         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
6515         config/fr30/fr30.md, config/i386/i386.h,
6516         config/iq2000/iq2000.h, config/iq2000/predicates.md,
6517         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
6518         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6519         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
6520         config/rs6000/altivec.md, config/rs6000/rs6000.c,
6521         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
6522         config/sparc/sparc.c, config/sparc/sparc.h,
6523         config/sparc/sparc.md, config/spu/constraints.md,
6524         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
6525         conventions.
6526
6527 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
6528
6529         PR target/29943
6530         * varasm.c (use_blocks_for_decl_p): Return false for decls with
6531         alias attribute.
6532
6533 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6534
6535         * doc/invoke.texi (-ftree-lrs): Remove.
6536
6537 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
6538
6539         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
6540         NULL.
6541
6542 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
6543
6544         * config/ia64/ia64.c (ia64_expand_builtin): Use the
6545         new CALL_EXPR_FN macro for retrieving the function
6546         declaration of the input expression.
6547
6548 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6549
6550         * c.opt (Waddress): New.
6551         * common.opt (Walways-true): Delete.
6552         (Wstring-literal-comparison): Delete.
6553         * doc/invoke.texi (Warning Options): Delete -Walways-true and
6554         -Wstring-literal-comparison. Add -Waddress.
6555         (Waddress): New.
6556         (Walways-true): Delete.
6557         (Wstring-literal-comparison): Delete.
6558         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
6559         consistently instead of -Walways-true in example.
6560         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
6561         * c-typeck.c (parser_build_binary_op): Replace
6562         -Wstring-literal-comparison and -Walways-true with -Waddress.
6563         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6564         with -Waddress.
6565
6566 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6567
6568         * tree-cfg.c (dump_function_to_file): Be prepared for functions
6569         without DECL_STRUCT_FUNCTION initialized.
6570
6571 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6572
6573         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6574         due to calls to functions taking pointers as parameters.
6575
6576 2007-02-19  Richard Henderson  <rth@redhat.com>
6577
6578         PR debug/29558
6579         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6580         in memory.
6581
6582 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6583
6584         * config/s390/s390.c (s390_call_saved_register_used,
6585         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6586         accessed to the new scheme.
6587
6588 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6589
6590         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6591         (cris_print_index, cris_print_operand, cris_print_operand_address)
6592         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6593         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6594         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6595         GET_CODE () == xxx.
6596         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6597         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6598         GO_IF_LEGITIMATE_ADDRESS): Ditto.
6599         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6600         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6601         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6602         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6603         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6604         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6605         (uminsi3, call, call_value): Ditto.
6606         (define_split: indir_to_reg_split, unnamed): Ditto.
6607
6608 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
6609
6610         PR tree-optimization/30975
6611         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6612         wrong assert.
6613
6614 2007-02-18  Eric Christopher  <echristo@gmail.com>
6615
6616         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6617         Remove use of arglist.
6618         (mips_expand_builtin): Remove use of arglist, pass in expr.
6619         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6620         (mips_expand_builtin_movtf): Ditto.
6621         (mips_expand_builtin_compare): Ditto.
6622
6623 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6624
6625         * tree-sra.c (sra_build_assignment): Replace assertion
6626         checking with a comment explaining why it can't be done.
6627
6628 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6629
6630         PR middle-end/30833
6631         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6632         during CALL_EXPR representation conversion.
6633         * tree-ssa-propagate.c (set_rhs): Likewise.
6634
6635 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6636
6637         * tree-sra.c (sra_build_assignment): Disable assertion checking
6638         for now.
6639
6640 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6641
6642         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
6643         instead of calling build2 with a GIMPLE_MODIFY_STMT.
6644         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
6645         Likewise.
6646         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
6647         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
6648         gimplify_init_ctor_eval_range, gimple_push_cleanup,
6649         gimplify_omp_for, gimplify_omp_atomic_pipeline,
6650         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
6651         force_gimple_operand): Likewise.
6652         * ipa-cp.c (constant_val_insert): Likewise.
6653         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6654         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
6655         perfect_nestify): Likewise.
6656         * langhooks.c (lhd_omp_assignment): Likewise.
6657         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
6658         lower_copyprivate_clauses, lower_send_clauses,
6659         lower_send_shared_vars, expand_parallel_call,
6660         expand_omp_for_generic, expand_omp_for_static_nochunk,
6661         expand_omp_for_static_chunk, expand_omp_sections,
6662         lower_omp_single_copy, lower_omp_for_lastprivate,
6663         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
6664         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6665         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
6666         Likewise.
6667
6668 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6669
6670         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
6671         config/sh/sh.md: Follow spelling conventions.
6672
6673         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
6674         config/frv/predicates.md: Follow spelling conventions.
6675
6676         * config/m68k/linux-unwind.h: Fix a comment typo.
6677         * target.h: Follow spelling conventions.
6678
6679 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6680
6681         PR rtl-optimization/28173
6682         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
6683         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
6684         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
6685         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
6686         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
6687
6688 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6689
6690         * builtins.c (fold_builtin_load_exponent): New.
6691         (fold_builtin_2): Use it.
6692
6693 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
6694
6695         PR rtl-optimization/30773
6696         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
6697         if we fail to attach a REG_EQUIV note.
6698
6699 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
6700             Roger Sayle  <roger@eyesopen.com>
6701
6702         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
6703
6704 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6705
6706         * calls.c (initialize_argument_information): Pass original EXP
6707         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
6708         code to split complex arguments here, as part of initializing the
6709         ARGS array.
6710         (expand_call): Remove code that builds a list of arguments and
6711         inserts implicit arguments into it.  Instead, just count how many
6712         implicit arguments there will be so we can determine the size of
6713         the ARGS array, and let initialize_argument_information do the work.
6714         (split_complex_values): Delete unused function.
6715
6716 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6717
6718         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
6719
6720 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6721
6722         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
6723         for arg pointer based indexed addressing.
6724
6725 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6726
6727         * config/ia64/ia64.h, config/ia64/ia64.md,
6728         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
6729         spelling conventions.
6730
6731 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6732
6733         * config/m68k/m68k.c (split_di): New.
6734         * config/m68k/m68k-protos.h: Declare split_di.
6735         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
6736           Improve predicate handling and split constant shifts.
6737
6738 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6739
6740         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
6741         parameter for register bitfield operations, general predicates
6742         cleanup
6743
6744 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6745
6746         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
6747         * config/m68k/linux-unwind.h: New file.
6748
6749 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6750
6751         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
6752         config/i386/athlon.md, config/ia64/ia64.md,
6753         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
6754         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
6755         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
6756         tree-ssa-loop-niter.c, tree-vect-analyze.c,
6757         tree-vect-transform.c: Fix comment typos.
6758
6759 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
6760
6761         * sched-deps.c (find_insn_list): Remove.
6762         * sched-int.h: Remove the prototype for find_insn_list.
6763
6764 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
6765
6766         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
6767         to linker.
6768         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
6769         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
6770         darwin_rs6000_override_options.
6771         (C_COMMON_OVERRIDE_OPTIONS): Expect
6772         darwin_macosx_version_min to be non-NULL always.
6773         (TARGET_C99_FUNCTIONS): Likewise.
6774         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
6775         (DARWIN_MINVERSION_SPEC): New.
6776         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
6777         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
6778         to cc1*.
6779         (DARWIN_MINVERSION_SPEC): New.
6780         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
6781         value.
6782         * config/darwin-c.c (darwin_cpp_builtins): Expect
6783         darwin_macosx_version_min to be non-NULL always.
6784
6785         * config/rs6000/rs6000.c: Clean up trailing whitespace.
6786
6787 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
6788
6789         * config/i386/i386.h (x86_use_xchgb): New.
6790         (TARGET_USE_XCHGB): New macro.
6791         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
6792         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
6793         Split after reload into bswaphi for shifts of 8.
6794         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
6795         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
6796         or when optimizing for size.
6797
6798 2007-02-16  Richard Guenther  <rguenther@suse.de>
6799             Christian Bruel  <christian.bruel@st.com>
6800
6801         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
6802         DECLs but prefer SSA_NAMEs over DECLs.
6803
6804 2007-02-16  Richard Guenther  <rguenther@suse.de>
6805
6806         * tree-flow-inline.h (single_imm_use_p): Remove.
6807         (zero_imm_uses_p): Likewise.
6808         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
6809         instead of single_imm_use_p.
6810         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
6811         zero_imm_uses_p.
6812
6813 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6814
6815         PR other/27843
6816         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
6817         nested double- and backquotes.
6818
6819 2007-02-15  Roger Sayle  <roger@eyesopen.com>
6820
6821         PR middle-end/30391
6822         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
6823         should be unreachable.
6824         (build2_stat): Allow construction of MODIFY_EXPR at any time.
6825         For the time being redirect GIMPLE_MODIFY_STMT to the new
6826         (renamed) build_gimple_modify_stmt_stat.
6827         (build2_gimple_stat): Rename to...
6828         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
6829         Always build a GIMPLE_MODIFY_STMT node.
6830         * tree.h (build2_gimple, build2_gimple_stat): Delete.
6831         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
6832         declarations.
6833
6834         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
6835         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
6836         * tree-complex.c (set_component_ssa_name, expand_complex_move,
6837         expand_complex_div_wide): Likewise.
6838         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
6839         * tree-ssa-loop-im.c (schedule_sm): Likewise.
6840         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
6841         * tree-ssa-loop-manip.c (create_iv): Likewise.
6842         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
6843         abs_replacement): Likewise.
6844         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
6845         realify_fake_stores): Likewise.
6846
6847         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
6848         node rather than a GIMPLE_MODIFY_STMT node.
6849         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
6850         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
6851         Likewise.
6852         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
6853         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
6854         GIMPLE_MODIFY_STMT.
6855
6856 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6857
6858         PR middle-end/30433
6859         * fold-const.c (fold_comparison): Add back the
6860         folding of constant complex comparisions.
6861
6862 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6863
6864         PR middle-end/30729
6865         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
6866         effects unknown to this function, return early.
6867
6868 2007-02-15  Ian Lance Taylor  <iant@google.com>
6869
6870         * lower-subreg.c (move_eh_region_note): New static function.
6871         (resolve_simple_move): Call it.
6872         (decompose_multiword_subregs): Track blocks for which we resolve a
6873         simple move which is also a control flow insn.  Pass them to
6874         find_many_sub_basic_blocks.
6875         (pass_lower_subreg): Add TODO_verify_flow.
6876         (pass_lower_subreg2): Likewise.
6877
6878 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6879             Brooks Moses  <brooks.moses@codesourcery.com>
6880             Lee Millward  <lee.millward@codesourcery.com>
6881
6882         * tree.h (enum tree_code_class): Add tcc_vl_exp.
6883         (VL_EXP_CLASS_P): New.
6884         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
6885         TREE_CODE_LENGTH.
6886         (TREE_OPERAND_CHECK_CODE): Likewise.
6887         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
6888         (TREE_RTL_OPERAND_CHECK): Likewise.
6889         (tree_operand_check_failed): Make second parameter the whole tree
6890         instead of its code.  Fixed callers.
6891         (VL_EXP_CHECK): New.
6892         (TREE_OPERAND_LENGTH): New.
6893         (VL_EXP_OPERAND_LENGTH): New.
6894         (CALL_EXPR_FN): New.
6895         (CALL_EXPR_STATIC_CHAIN): New.
6896         (CALL_EXPR_ARGS): New.
6897         (CALL_EXPR_ARG): New.
6898         (call_expr_nargs): New.
6899         (CALL_EXPR_ARGP): New.
6900         (build_nt_call_list): Declare.
6901         (build_vl_exp_stat): Declare.
6902         (build_vl_exp): New.
6903         (build_call_list): Declare.
6904         (build_call_nary): Declare.
6905         (build_call_valist): Declare.
6906         (build_call_array): Declare.
6907         (call_expr_arg): Declare.
6908         (call_expr_argp): Declare.
6909         (call_expr_arglist): Declare.
6910         (fold_build_call_list): Declare.
6911         (fold_build_call_list_initializer): Declare.
6912         (fold_call_expr): Declare to replace fold_builtin.
6913         (fold_builtin_fputs): Update to agree with modified definition.
6914         (fold_builtin_strcpy): Likewise.
6915         (fold_builtin_strncpy): Likewise.
6916         (fold_builtin_memory_chk): Likewise.
6917         (fold_builtin_stxcpy_chk): Likewise.
6918         (fold_builtin_strncpy_chk): Likewise.
6919         (fold_builtin_next_arg): Likewise.
6920         (fold_build_call_expr): Declare.
6921         (fold_builtin_call_list): Declare.
6922         (fold_builtin_call_valist): Declare.
6923         (build_call_expr): Declare.
6924         (validate_arglist): Update to agree with modified definition.
6925         (tree_operand_length): New.
6926         (call_expr_arg_iterator): New.
6927         (init_call_expr_arg_iterator): New.
6928         (next_call_expr_arg): New.
6929         (first_call_expr_arg): New.
6930         (more_call_expr_args_p): New.
6931         (FOR_EACH_CALL_EXPR_ARG): New.
6932
6933         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
6934         and tcc_gimple_stmt.
6935         (tree_code_size): Update documentation.  Use sizeof (tree) rather
6936         than sizeof (char *).
6937         (tree_size): Likewise.  Add case for tcc_vl_exp.
6938         (tree_node_structure): Add case for tcc_vl_exp.
6939         (contains_placeholder_p): Likewise.
6940         (substitute_in_expr): Likewise.
6941         (substitute_placeholder_in_expr): Likewise.
6942         (stabilize_reference_1): Likewise.
6943         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
6944         to diagnose breakage of this interface for constructing CALL_EXPRs.
6945         (build_nt): Add similar assertion here.
6946         (build_nt_call_list): New.
6947         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
6948         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
6949         TREE_CODE_LENGTH.
6950         (get_callee_fndecl): Use new CALL_EXPR accessors.
6951         (tree_operand_check_failed): Change parameters to pass entire node
6952         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
6953         (process_call_operands): New.
6954         (build_vl_exp_stat): New.
6955         (build_call_list): New.
6956         (build_call_nary): New.
6957         (build_call_valist): New.
6958         (build_call_array): New.
6959         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6960         (call_expr_arglist): New.
6961
6962         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
6963         tcc_vl_exp instead of a fixed-size tcc_expression.
6964
6965         * doc/c-tree.texi (CALL_EXPR): Document new representation and
6966         accessors for CALL_EXPRs.
6967         (AGGR_INIT_EXPR): Likewise.
6968
6969 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6970             Brooks Moses  <brooks.moses@codesourcery.com>
6971             Lee Millward  <lee.millward@codesourcery.com>
6972
6973         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
6974         (expand_builtin_nonlocal_goto): Change parameter to be entire
6975         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
6976         (expand_builtin_prefetch): Likewise.
6977         (expand_builtin_classify_type): Likewise.
6978         (mathfn_built_in): Return NULL_TREE instead of 0.
6979         (expand_errno_check): Use new CALL_EXPR accessors.
6980         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
6981         Return NULL_RTX instead of 0.
6982         (expand_builtin_mathfn_2): Likewise.
6983         (expand_builtin_mathfn_3): Likewise.
6984         (expand_builtin_interclass_mathfn): Likewise.
6985         (expand_builtin_sincos): Likewise.
6986         (expand_builtin_cexpi): Likewise.
6987         (expand_builtin_int_roundingfn): Likewise.
6988         (expand_builtin_int_roundingfn_2): Likewise.
6989         (expand_builtin_pow): Likewise.
6990         (expand_builtin_powi): Likewise.
6991         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
6992         of arglist, fixing callers appropriately.  Use new CALL_EXPR
6993         accessors and constructors.  Return NULL_RTX instead of 0.
6994         (expand_builtin_strstr): Likewise.
6995         (expand_builtin_strchr): Likewise.
6996         (expand_builtin_strrchr): Likewise.
6997         (expand_builtin_strpbrk): Likewise.
6998         (expand_builtin_memcpy): Likewise.
6999         (expand_builtin_mempcpy): Likewise.
7000         (expand_builtin_mempcpy_args): New.
7001         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
7002         (expand_builtin_memmove_args): New.
7003         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
7004         (expand_movstr): Likewise.
7005         (expand_builtin_strcpy): Likewise.
7006         (expand_builtin_strcpy_args): New.
7007         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
7008         (expand_builtin_strncpy): Likewise.
7009         (expand_builtin_memset): Likewise.
7010         (expand_builtin_memset_args): New.
7011         (expand_builtin_bzero): Similarly to expand_builtin_memset.
7012         (expand_builtin_memcmp): Likewise.
7013         (expand_builtin_strcmp): Likewise.
7014         (expand_builtin_strncmp): Likewise.
7015         (expand_builtin_strcat): Likewise.
7016         (expand_builtin_strncat): Likewise.
7017         (expand_builtin_strspn): Likewise.
7018         (expand_builtin_strcspn): Likewise.
7019         (expand_builtin_args_info): Likewise.
7020         (expand_builtin_va_start): Likewise.
7021         (gimplify_va_arg_expr): Likewise.
7022         (expand_builtin_va_end): Likewise.
7023         (expand_builtin_va_copy): Likewise.
7024         (expand_builtin_frame_address): Likewise.
7025         (expand_builtin_alloca): Likewise.
7026         (expand_builtin_bswap): Likewise.
7027         (expand_builtin_unop): Likewise.
7028         (expand_builtin_fputs): Likewise.
7029         (expand_builtin_expect): Likewise.
7030         (expand_builtin_fabs): Likewise.
7031         (expand_builtin_copysign): Likewise.
7032         (expand_builtin_printf): Likewise.
7033         (expand_builtin_fprintf): Likewise.
7034         (expand_builtin_sprintf): Likewise.
7035         (expand_builtin_init_trampoline): Likewise.
7036         (expand_builtin_signbit): Likewise.
7037         (expand_builtin_fork_or_exec): Likewise.
7038         (expand_builtin_sync_operation): Likewise.
7039         (expand_builtin_compare_and_swap): Likewise.
7040         (expand_builtin_lock_test_and_set): Likewise.
7041         (expand_builtin_lock_release): Likewise.
7042         (expand_builtin): Likewise.
7043         (builtin_mathfn_code): Likewise.
7044
7045         (fold_builtin_constant_p): Pass call arguments individually instead
7046         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7047         accessors and constructors.  Return NULL_TREE instead of 0.
7048         (fold_builtin_expect): Likewise.
7049         (fold_builtin_classify_type): Likewise.
7050         (fold_builtin_strlen): Likewise.
7051         (fold_builtin_nan): Likewise.
7052         (integer_valued_real_p): Likewise.
7053         (fold_trunc_transparent_mathfn): Likewise.
7054         (fold_fixed_mathfn): Likewise.
7055         (fold_builtin_cabs): Likewise.
7056         (fold_builtin_sqrt): Likewise.
7057         (fold_builtin_cbrt): Likewise.
7058         (fold_builtin_cos): Likewise.
7059         (fold_builtin_cosh): Likewise.
7060         (fold_builtin_tan): Likewise.
7061         (fold_builtin_sincos): Likewise.
7062         (fold_builtin_cexp): Likewise.
7063         (fold_builtin_trunc): Likewise.
7064         (fold_builtin_floor): Likewise.
7065         (fold_builtin_ceil): Likewise.
7066         (fold_builtin_round): Likewise.
7067         (fold_builtin_int_roundingfn): Likewise.
7068         (fold_builtin_bitop): Likewise.
7069         (fold_builtin_bswap): Likewise.
7070         (fold_builtin_logarithm): Likewise.
7071         (fold_builtin_hypot): Likewise.
7072         (fold_builtin_pow): Likewise.
7073         (fold_builtin_powi): Likewise.
7074         (fold_builtin_exponent): Likewise.
7075         (fold_builtin_memset): Likewise.
7076         (fold_builtin_bzero): Likewise.
7077         (fold_builtin_memory_op): Likewise.
7078         (fold_builtin_bcopy): Deleted; call site changed to invoke
7079         fold_builtin_memory_op directly.
7080         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
7081         (fold_builtin_strncpy): Likewise.
7082         (fold_builtin_memcmp): Likewise.
7083         (fold_builtin_strcmp): Likewise.
7084         (fold_builtin_strncmp): Likewise.
7085         (fold_builtin_signbit): Likewise.
7086         (fold_builtin_copysign): Likewise.
7087         (fold_builtin_isascii): Likewise.
7088         (fold_builtin_toascii): Likewise.
7089         (fold_builtin_isdigit): Likewise.
7090         (fold_builtin_fabs): Likewise.
7091         (fold_builtin_abs): Likewise.
7092         (fold_builtin_fmin_fmax): Likewise.
7093         (fold_builtin_carg): Likewise.
7094         (fold_builtin_classify): Likewise.
7095         (fold_builtin_unordered_cmp): Likewise.
7096
7097         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
7098         New functions split out from fold_builtin_1.
7099         (fold_builtin_n): New.
7100         (fold_builtin_varargs): New.
7101         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
7102         instead.
7103         (fold_call_expr): New.
7104         (build_function_call_expr): Rewrite to use new helper function.
7105         (fold_builtin_call_list): New.
7106         (build_call_expr): New.
7107         (fold_builtin_call_valist): New.
7108         (rewrite_call_expr): New.
7109         (validate_arg): New.
7110         (validate_arglist): Change parameter to be entire CALL_EXPR instead
7111         of an arglist.  Change return type to bool.  Use new CALL_EXPR
7112         accessors.
7113
7114         (fold_builtin_strstr):  Pass call arguments individually instead
7115         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7116         accessors and constructors.  Return NULL_TREE instead of 0.
7117         (fold_builtin_strchr): Likewise.
7118         (fold_builtin_strrchr): Likewise.
7119         (fold_builtin_strpbrk): Likewise.
7120         (fold_builtin_strcat): Likewise.
7121         (fold_builtin_strncat): Likewise.
7122         (fold_builtin_strspn): Likewise.
7123         (fold_builtin_strcspn): Likewise.
7124         (fold_builtin_fputs): Likewise.
7125         (fold_builtin_next_arg): Likewise.
7126         (fold_builtin_sprintf): Likewise.
7127
7128         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
7129         NULL_RTX instead of 0.
7130         (expand_builtin_memory_chk): Likewise.
7131         (maybe_emit_chk_warning): Likewise.
7132         (maybe_emit_sprintf_chk_warning): Likewise.
7133
7134         (fold_builtin_object_size): Pass call arguments individually instead
7135         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7136         accessors and constructors.  Return NULL_TREE instead of 0.
7137         (fold_builtin_memory_chk): Likewise.
7138         (fold_builtin_stxcpy_chk): Likewise.
7139         (fold_builtin_strncpy_chk): Likewise.
7140         (fold_builtin_strcat_chk): Likewise.
7141         (fold_builtin_strcat_chk): Likewise.
7142         (fold_builtin_strncat_chk): Likewise.
7143         (fold_builtin_sprintf_chk): Likewise.
7144         (fold_builtin_snprintf_chk): Likewise.
7145         (fold_builtin_printf): Likewise.
7146         (fold_builtin_vprintf): Likewise.
7147
7148         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
7149         constructors.
7150         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
7151         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7152         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
7153         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
7154         (fold_unary): Likewise.
7155         (fold_binary): Likewise.
7156         (fold_ternary): Remove CALL_EXPR case, since they are no longer
7157         ternary expressions.
7158         (fold): Add logic for tcc_vl_exp.
7159         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
7160         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7161         (fold_build3_stat): Add assertion to flag broken interface for
7162         constructing CALL_EXPRs.
7163         (fold_build_call_list): New.
7164         (fold_build_call_list_initializer): New.
7165         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
7166         constructors.
7167         (fold_strip_sign_ops): Likewise.
7168
7169 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7170             Brooks Moses  <brooks.moses@codesourcery.com>
7171             Lee Millward  <lee.millward@codesourcery.com>
7172
7173         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
7174         accessors and dump arguments explicitly.
7175
7176         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
7177         TREE_CODE_LENGTH.
7178         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
7179         explicitly.
7180         (print_call_name): Use new CALL_EXPR accessors.
7181
7182         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
7183         CALL_EXPR arguments explicitly instead of as a list.  Use
7184         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7185
7186         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
7187         (vrp_visit_stmt): Likewise.
7188
7189         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
7190         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
7191         TREE_CODE_LENGTH.
7192         (force_move_till_expr): Likewise.
7193
7194         * targhooks.c (default_external_stack_protect_fail): Use
7195         build_call_expr instead of build_function_call_expr.
7196         (default_hidden_stack_protect_fail): Likewise.
7197
7198         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
7199         build the call.
7200
7201         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
7202         and walk arguments explicitly.
7203
7204         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
7205         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7206         (expand_simple_operations): Likewise.
7207         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
7208
7209         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
7210         of TREE_CODE_LENGTH.
7211         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
7212
7213         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
7214         instead of TREE_CODE_LENGTH.
7215
7216         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
7217         (tree_ic_transform): Likewise.
7218         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
7219         parameter instead of arglist.  Fix callers.
7220         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
7221         (tree_stringops_transform): Likewise.
7222         (tree_indirect_call_to_profile): Likewise.
7223         (tree_stringops_values_to_profile): Likewise.
7224
7225         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
7226         (eliminate_tail_call): Likewise.
7227
7228         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
7229
7230         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7231         Use TREE_OPERAND_LENGTH and generalize to handle any number of
7232         operands.
7233         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
7234
7235         * omp-low.c (build_omp_barrier): Use build_call_expr.
7236         (lower_rec_input_clauses): Likewise.
7237         (lower_reduction_clauses): Likewise.
7238         (expand_parallel_call): Likewise.
7239         (maybe_catch_exception): Likewise.
7240         (expand_omp_for_generic): Likewise.
7241         (expand_omp_for_static_nochunk): Likewise.
7242         (expand_omp_sections): Likewise.
7243         (lower_omp_single_simple): Likewise.
7244         (lower_omp_single_copy): Likewise.
7245         (lower_omp_master): Likewise.
7246         (lower_omp_ordered): Likewise.
7247         (lower_omp_critical): Likewise.
7248
7249         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
7250         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
7251
7252         * tree-gimple.c (is_gimple_call_addr): Fix doc.
7253         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
7254         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
7255
7256         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
7257         and generalize to handle any number of operands.
7258         (chrec_contains_undetermined): Likewise.
7259         (tree_contains_chrecs): Likewise.
7260         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
7261
7262         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
7263
7264         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
7265         fold_call_expr instead of fold_builtin.
7266         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
7267         match declarations there.
7268         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
7269         updates.
7270
7271         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
7272         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7273
7274         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
7275         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
7276
7277         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
7278         accessors.
7279
7280         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
7281         (execute_cse_sincos): Use new CALL_EXPR accessors.
7282
7283         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
7284
7285         * gimple-low.c (lower_function_body): Use build_call_expr.
7286         (lower_builtin_setjmp): Likewise.
7287
7288         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
7289         (set_storage_via_libcall): Likewise.
7290         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
7291         instead of TREE_CODE_LENGTH.
7292         (expand_expr_real_1): Use new CALL_EXPR accessors.
7293
7294         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
7295         generalize to handle any number of operands.
7296         (TB_parent_eq): Likewise.
7297
7298         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
7299         (strip_builtin_expect): Likewise.
7300
7301         * function.c (gimplify_parameters): Use build_call_expr.
7302
7303         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
7304         instead of TREE_CODE_LENGTH.
7305
7306         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
7307         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
7308
7309         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
7310         iterators.
7311
7312         * gimplify.c (build_stack_save_restore): Use build_call_expr.
7313         (gimplify_decl_expr): Likewise.
7314         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
7315         Use new CALL_EXPR iterators.
7316         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
7317         (gimplify_modify_expr_to_memset): Likewise.
7318         (gimplify_variable_sized_compare): Likewise.
7319         (gimplify_omp_atomic_fetch_op): Likewise.
7320         (gimplify_omp_atomic_pipeline): Likewise.
7321         (gimplify_omp_atomic_mutex): Likewise.
7322         (gimplify_function_tree): Likewise.
7323
7324         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7325         (call_expr_flags): Likewise.
7326         (expand_call): Likewise.
7327
7328         * except.c (expand_builtin_eh_return_data_regno): Pass entire
7329         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7330         accessors.
7331
7332         * coverage.c (create_coverage): Use build_call_expr.
7333
7334         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7335         (temp_call_expr_obstack): New.
7336         (pool_copy_list): Delete.
7337         (temp_copy_call_expr): New.
7338         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
7339         CALL_EXPR accessors.  Get rid of special goo for copying argument
7340         lists and use temp_copy_call_expr instead.
7341         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
7342         CALL_EXPR accessors.
7343         (create_expression_by_pieces): Likewise.  Use build_call_array
7344         to construct the result instead of fold_build3.
7345         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
7346         dealing with argument lists.
7347         (init_pre): Remove references to expression_node_pool and
7348         list_node_pool.  Init temp_call_expr_obstack instead.
7349         (fini_pre): Remove references to expression_node_pool and
7350         list_node_pool.
7351
7352         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7353         and walk arguments explicitly instead of as a list.
7354
7355         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7356         (mx_register_decls): Likewise.
7357         (mudflap_register_call): Likewise.
7358         (mudflap_finish_file): Likewise.
7359
7360         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
7361         (ipa_callsite_compute_param): Likewise.
7362
7363         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
7364         accessors and constructor.
7365
7366         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
7367         accessors and constructor.
7368         (convert_tramp_reference): Likewise.
7369         (convert_call_expr): Likewise.
7370         (finalize_nesting_tree_1): Likewise.
7371
7372         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
7373         accessors.
7374
7375         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
7376
7377         * tree-inline.c (initialize_inlined_parameters): Pass entire
7378         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7379         accessors.
7380         (estimate_num_insns_1): Use new CALL_EXPR accessors.
7381         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
7382
7383         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
7384         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7385         (vectorizable_reduction): Likewise.
7386         (vectorizable_call): Use new CALL_EXPR iterators.
7387         (vectorizable_conversion): Use build_call_expr.
7388         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
7389         (vect_gen_widened_results_half): Use build_call_expr.
7390         (vect_setup_realignment): Likewise.
7391         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
7392
7393         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7394         (pass_through_call): Likewise.
7395         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
7396         fold_builtin.
7397
7398         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7399         (tree_gen_pow2_profiler): Likewise.
7400         (tree_gen_one_value_profiler): Likewise.
7401         (tree_gen_ic_func_profiler): Likewise.
7402         (tree_gen_average_profiler): Likewise.
7403         (tree_gen_ior_profiler): Likewise.
7404
7405         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
7406         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
7407         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7408
7409         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
7410         of TREE_CODE_LENGTH.
7411
7412         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
7413         of TREE_CODE_LENGTH.
7414
7415         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
7416         constructor.
7417         (convert_to_integer): Likewise.
7418
7419         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
7420         accessors.
7421
7422 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7423             Brooks Moses  <brooks.moses@codesourcery.com>
7424             Lee Millward  <lee.millward@codesourcery.com>
7425
7426         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
7427         accessors.
7428         * config/frv/frv.c (frv_expand_builtin): Likewise.
7429         * config/s390/s390.c (s390_expand_builtin): Likewise.
7430
7431         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
7432         (sparc_expand_builtin): Use new CALL_EXPR accessors.
7433
7434         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
7435         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
7436         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
7437         (ix86_expand_store_builtin): Likewise.
7438         (ix86_expand_unop_builtin): Likewise.
7439         (ix86_expand_unop1_builtin): Likewise.
7440         (ix86_expand_sse_compare): Likewise.
7441         (ix86_expand_sse_comi): Likewise.
7442         (ix86_expand_vec_init_builtin): Likewise.
7443         (ix86_expand_vec_ext_builtin): Likewise.
7444         (ix86_expand_vec_set_builtin): Likewise.
7445         (ix86_expand_builtin): Use new CALL_EXPR accessors.
7446
7447         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
7448         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7449
7450         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
7451         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7452         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
7453
7454         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
7455         build_call_expr.
7456         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7457         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
7458         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7459         (altivec_expand_abs_builtin): Likewise.
7460         (rs6000_expand_binop_builtin): Likewise.
7461         (altivec_expand_predicate_builtin): Likewise.
7462         (altivec_expand_lv_builtin): Likewise.
7463         (spe_expand_stv_builtin): Likewise.
7464         (altivec_expand_stv_builtin): Likewise.
7465         (rs6000_expand_ternop_builtin): Likewise.
7466         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
7467         (altivec_expand_st_builtin): Likewise.
7468         (altivec_expand_dst_builtin): Likewise.
7469         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
7470         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7471         (altivec_expand_vec_set_builtin): Likewise.
7472         (altivec_expand_vec_ext_builtin): Likewise.
7473         (altivec_expand_builtin): Use new CALL_EXPR accessors.
7474         (spe_expand_builtin): Likewise.
7475         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
7476         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7477         (spe_expand_evsel_builtin): Likewise.
7478         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
7479         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
7480
7481         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
7482         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7483         (arm_expand_unop_builtin): Likewise.
7484         (arm_expand_builtin): Use new CALL_EXPR accessors.
7485
7486         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
7487         accessors.
7488
7489         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
7490         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7491         (bfin_expand_unop_builtin): Likewise.
7492         (bfin_expand_builtin): Use new CALL_EXPR accessors.
7493
7494 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7495             Brooks Moses  <brooks.moses@codesourcery.com>
7496             Lee Millward  <lee.millward@codesourcery.com>
7497
7498         * c-semantics.c (build_stmt): Add internal diagnostic check.
7499
7500         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
7501         accessors.  Print arguments explicitly instead of as a list.
7502
7503         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
7504
7505         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
7506         (c_finish_omp_flish): Likewise.
7507
7508         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
7509         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
7510         instead of TREE_CODE_LENGTH.
7511         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
7512         (c_warn_unused_result): Likewise.
7513
7514 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7515
7516         PR c/26494
7517         * doc/invoke.texi (Warning Options): Remove
7518         -Werror-implicit-function-declaration.
7519         (Wimplicit-function-declaration): Update description.
7520         * opts.c (common_handle_option): Move handling of -Werror=* to...
7521         (enable_warning_as_error): ...here.
7522         * opts.h (enable_warning_as_error): Declare.
7523         * c-decl.c (implicit_decl_warning): Unless
7524         -Wno-implicit-function-declaration is given, emit a pedwarn if
7525         -std=c99 or emit a warning if -Wimplicit-function-declaration.
7526         * c.opt (Wimplicit-function-declaration): Replace
7527         mesg_implicit_function_declaration with
7528         warn_implicit_function_declaration.
7529         * c-opts.c (c_common_handle_option):
7530         -Werror-implicit-function-declaration is exactly equal as
7531         -Werror=implicit-function-declaration.
7532         (set_Wimplicit): Replace mesg_implicit_function_declaration with
7533         warn_implicit_function_declaration.
7534         (c_common_post_options): -Wimplict-function-declaration is enabled
7535         by default by -std=c99, otherwise is disabled by default.
7536         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
7537
7538 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7539
7540         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
7541         DECL on the rhs to a DECL on the lhs for debug info purposes if the
7542         former is ignored but not the latter.
7543
7544 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7545
7546         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
7547         is made and the reference doesn't use the alias set of its type,
7548         do not create the temporary using that type.
7549
7550 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
7551
7552         * jump.c: Remove prototypes for delete_computation and
7553         delete_prior_computation.
7554
7555 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7556
7557         * jump.c (get_label_after): Delete.
7558         (get_label_before, delete_computation, delete_jump,
7559         delete_prior_computation, follow_jumps): Move...
7560         * reorg.c (delete_computation, delete_prior_computation): ... here...
7561         (get_label_before, delete_jump): ... making these static ...
7562         (follow_jumps): ... and simplifying this since it only runs after
7563         reload.
7564         * rtl.h (get_label_after, get_label_before, delete_jump,
7565         follow_jumps): Delete prototypes.
7566
7567 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7568
7569         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7570
7571 2007-02-15  Nick Clifton  <nickc@redhat.com>
7572
7573         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7574         order to prevent it from being munged by the target.
7575
7576 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
7577
7578         * config/i386/i386.md: Remove misleading comment.
7579
7580 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7581
7582         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7583         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7584         invalid patterns.
7585
7586 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7587
7588         * tree-sra.c (instantiate_missing_elements): Canonicalize
7589         bit-field types.
7590         (sra_build_assignment): New.
7591         (generate_copy_inout, generate_element_copy,
7592         generate_element_zero, generate_one_element_init): Use it.
7593
7594 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7595
7596         * tree-sra.c (instantiate_missing_elements): Canonicalize
7597         bit-field types.
7598         (sra_build_assignment): New.
7599         (generate_copy_inout, generate_element_copy,
7600         generate_element_zero, generate_one_element_init): Use it.
7601
7602 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7603
7604         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7605         limbo die nodes.
7606
7607 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7608
7609         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7610         types as aggregates not scalars.
7611         * function.c (assign_stack_temp_for_type): Likewise.
7612
7613 2007-02-14  Roger Sayle  <roger@eyesopen.com>
7614             Zdenek Dvorak  <dvorakz@suse.cz>
7615
7616         * tree-dump.c (dump_switch_p_1): Require exact match of the option
7617         name.
7618
7619 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
7620
7621         * passes.c (next_pass_1): Clear the next field of the copied
7622         pass structure.
7623
7624 2007-02-14  Richard Henderson  <rth@redhat.com>
7625
7626         * tree-sra.c (early_sra): New.
7627         (decl_can_be_decomposed_p): Deny va_list if early_sra.
7628         (tree_sra_early, pass_sra_early): New.
7629         * tree-pass.h (pass_sra_early): Declare.
7630         * passes.c (init_optimization_passes): Use it.
7631
7632 2007-02-14  Richard Guenther  <rguenther@suse.de>
7633
7634         * flags.h (issue_strict_overflow_warning): Convert to a macro.
7635
7636 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
7637
7638          PR tree-optimization/30771
7639         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
7640         also phi nodes.
7641         (vect_analyze_operations): Induction phis can now be marked as
7642         used_in_loop.
7643         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
7644         Update documentation accordingly.
7645
7646 2007-02-14  Nick Clifton  <nickc@redhat.com>
7647
7648         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
7649         most 3 arguments are supported.
7650         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
7651
7652 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
7653
7654         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
7655         Ensure dst->current is valid.
7656
7657 2007-02-13  Paul Brook  <paul@codesourcery.com>
7658
7659         * config.gcc: Add arm*-*-uclinux-*eabi.
7660         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
7661         (SUBTARGET_EXTRA_LINK_SPEC): Define.
7662         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
7663         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
7664         (LINK_SPEC): Define.
7665         (LIB_SPEC): Define.
7666         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
7667         register.
7668         * config/arm/uclinux-eabi.h: New file.
7669         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
7670         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
7671         based targets.
7672
7673 2007-02-13  Ian Lance Taylor  <iant@google.com>
7674
7675         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
7676         * flags.h (warn_strict_overflow): Declare.
7677         (enum warn_strict_overflow_code): Define.
7678         (issue_strict_overflow_warning): New static inline function.
7679         * opts.c (warn_strict_overflow): New variable.
7680         (common_handle_option): Handle OPT_Wstrict_overflow and
7681         OPT_Wstrict_overflow_.
7682         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
7683         OPT_Wall.
7684         * fold-const.c: Include intl.h.
7685         (fold_deferring_overflow_warnings): New static variable.
7686         (fold_deferred_overflow_warning): New static variable.
7687         (fold_deferred_overflow_code): New static variable.
7688         (fold_defer_overflow_warnings): New function.
7689         (fold_undefer_overflow_warnings): New function.
7690         (fold_undefer_and_ignore_overflow_warnings): New function.
7691         (fold_deferring_overflow_warnings_p): New function.
7692         (fold_overflow_warning): New static function.
7693         (make_range): Add strict_overflow_p parameter.  Change all
7694         callers.
7695         (extract_muldiv, extract_muldiv_1): Likewise.
7696         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
7697         tree_expr_nonnegative_p.
7698         (fold_negate_expr): Call fold_overflow_warning.
7699         (fold_range_test): Likewise.
7700         (fold_comparison): Likewise.
7701         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
7702         instead of tree_expr_nonnegative_p.
7703         (tree_expr_nonnegative_warnv_p): Rename from
7704         tree_expr_nonnegative_p, add strict_overflow_p parameter.
7705         (tree_expr_nonnegative_p): New function.
7706         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
7707         strict_overflow_p parameter.
7708         (tree_expr_nonzero_p): New function.
7709         * passes.c (verify_interpass_invariants): New static function.
7710         (execute_one_pass): Call it.
7711         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
7712         warnings.
7713         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
7714         (estimate_numbers_of_iterations): Likewise.
7715         (scev_probably_wraps_p): Likewise.
7716         * tree-ssa-ccp.c: Include "toplev.h".
7717         (evaluate_stmt): Defer fold overflow warnings until we know we are
7718         going to optimize.
7719         (struct fold_stmt_r_data): Add stmt field.
7720         (fold_stmt_r): Defer fold overflow warnings until we know we
7721         optimized.
7722         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
7723         (fold_stmt_inplace): Likewise.
7724         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
7725         (cleanup_control_expr_graph): Defer fold overflow warnings until
7726         we know we are going to optimize.
7727         * tree-cfg.c (fold_cond_expr_cond): Likewise.
7728         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
7729         Likewise.
7730         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
7731         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
7732         * tree-ssa-loop-manip.c (create_iv): Likewise.
7733         * c-typeck.c (build_conditional_expr): Likewise.
7734         (build_binary_op): Likewise.
7735         * tree-vrp.c (vrp_expr_computes_nonzero): Call
7736         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
7737         (extract_range_from_unary_expr): Likewise.
7738         * simplify-rtx.c (simplify_const_relational_operation): Warn when
7739         assuming that signed overflow does not occur.
7740         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
7741         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
7742         (fold_defer_overflow_warnings): Declare.
7743         (fold_undefer_overflow_warnings): Declare.
7744         (fold_undefer_and_ignore_overflow_warnings): Declare.
7745         (fold_deferring_overflow_warnings_p): Declare.
7746         (tree_expr_nonzero_warnv_p): Declare.
7747         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
7748         of warning options.
7749         (Warning Options): Document -Wstrict-overflow.
7750         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
7751         (tree-ssa-ccp.o): Likewise.
7752         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
7753         (fold-const.o): Depend on intl.h.
7754
7755 2007-02-13  Ian Lance Taylor  <iant@google.com>
7756
7757         PR middle-end/30751
7758         * lower-subreg.c (resolve_simple_move): Decompose subregs in
7759         addresses.
7760
7761 2007-02-13  Stuart Hastings  <stuart@apple.com>
7762
7763         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
7764
7765 2007-02-13  Richard Henderson  <rth@redhat.com>
7766
7767         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
7768         handled_component_p before looking for the indirect_ref.
7769
7770 2007-02-13  Richard Henderson  <rth@redhat.com>
7771
7772         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
7773         remove flags clobber.
7774         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
7775         (bswaphi_lowpart): New.
7776         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
7777         remove TARGET_BSWAP test.  Delete expander of the same name.
7778
7779         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
7780         (expand_unop): Use them.
7781
7782 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
7783
7784         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
7785         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
7786         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
7787         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
7788         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
7789         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
7790         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
7791         assembler dialect choice from asm templates.
7792
7793 2007-02-12  Richard Henderson  <rth@redhat.com>
7794
7795         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
7796         (fixuns_trunc<SSEMODEF>si2): Use it.
7797         * config/i386/sse.md (vec_setv4sf_0): Export.
7798         * config/i386/i386.c (ix86_build_const_vector): Export.
7799         (ix86_split_convert_uns_si_sse): Rename from
7800         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
7801         * config/i386/i386-protos.h: Update.
7802
7803 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7804
7805         PR c/29521
7806         * c-typeck.c (c_finish_return): Improve warning message.
7807
7808 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7809
7810         * alias.c (find_symbolic_term): Delete unused function.
7811
7812 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
7813
7814         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
7815         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
7816         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
7817
7818 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7819
7820         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
7821         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
7822         the function, temporarily point the debug interface to the null one.
7823
7824 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7825
7826         * dwarf2out.c (round_up_to_align): New static function.
7827         (field_byte_offset): Use it to round the offset.
7828
7829 2007-02-12  Richard Henderson  <rth@redhat.com>
7830
7831         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
7832         (inswl_const): Export.
7833
7834 2007-02-12  Richard Henderson  <rth@redhat.com>
7835
7836         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
7837         result mode of the libcall, convert back to outmode.
7838
7839 2007-02-12  Roger Sayle  <roger@eyesopen.com>
7840
7841         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
7842         (bswapdi2): New define_expand to implement 32-bit implementation.
7843
7844 2007-02-12  Nick Clifton  <nickc@redhat.com>
7845
7846         * doc/invoke.texi (Overall Options): Document --help=.
7847         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
7848         (cc1_options): Pass --help= on to cc1.
7849         (display_help): Add description of --help=.
7850         (process_command): Add code to handle --help=.  Allow translated
7851         --help and --target-help switches to be passed on to compiler
7852         sub-process.
7853         (main): Remove unused if statement.
7854         * opts.c (columns): Remove.
7855         (LEFT_COLUMN): Define.
7856         (wrap_help): Add columns argument.
7857         (print_filtered_help): Change parameters to be an include bitmask,
7858         an exclude bitmask, an any bitmask and the column width.  Move the
7859         code to display the params list here.  Add code to display the
7860         status of options rather than their descriptions if the quiet flag
7861         is not active.
7862         (print_specific_help): Change parameters to be an include bitmask,
7863         an exclude bitmask and an any bitmask.  Move code to look up the
7864         column width here.  Decide upon the title for an options listing.
7865         (common_handle_options): Add code to handle --help=.  Adapt code
7866         for --help and --target-help to use the revised form of the
7867         print_specific_help function.
7868         (print_help): Delete.
7869         (print_param_help): Delete.
7870         (print_switch): Delete.
7871         * opts.h (cl_lang_count): Add prototype.
7872         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
7873         CL_MAX_OPTION_CLASS): New defines.
7874         * optc-gen.awk: Add construction of cl_lang_count.
7875         * c.opt: Add Warning attribute to warning options and Optimization
7876         attribute to optimization options.
7877         * common.opt: Likewise.
7878         Add --help=.
7879         Add -fhelp and -ftarget-help as aliases for the transformed --help
7880         and --target-help options.
7881         * opt-functions.awk: Add code to handle Warning and Optimization
7882         attributes.
7883
7884 2007-02-12  Richard Henderson  <rth@redhat.com>
7885
7886         * config/alpha/constraints.md: New file.
7887         * config/alpha/alpha.c: Include tm-constrs.h.
7888         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
7889         alpha_extra_constraint): Remove.
7890         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
7891         * config/alpha/alpha-protos.h: Update.
7892         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
7893         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
7894         (EXTRA_CONSTRAINT): Remove.
7895         * config/alpha/alpha.md: Include constraints.md.
7896         (adddi splitter): Use satisfies_constraint_*.
7897         * config/alpha/predicates.md (add_operand): Likewise.
7898         (sext_add_operand, addition_operation): Likewise.
7899
7900 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
7901
7902         PR tree-optimization/29145
7903         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
7904         in our handling of restrict qualified pointers.
7905
7906 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7907
7908         PR middle-end/7651
7909         * doc/invoke.texi (Wunused-value): Update description.
7910         (Wextra): Delete item.
7911         * opts.c (set_Wextra): Don't use the value of Wextra to set the
7912         value of Wunused-value.
7913         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
7914         (c_finish_stmt_expr): Don't check extra_warnings.
7915         (emit_side_effect_warnings): The caller is responsible to check
7916         warn_unused_value.
7917
7918 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7919             Matt Thomas  <matt@3am-software.com>
7920
7921         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
7922
7923 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7924
7925         * simplify-rtx.c (simplify_relational_operation_1): Optimize
7926         comparisons of POPCOUNT against zero.
7927         (simplify_const_relational_operation): Likewise.
7928
7929 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7930
7931         * doc/invoke.texi (Wextra): Delete outdated paragraph.
7932
7933 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7934
7935         * dwarf2out.c (root_type): Delete unused function.
7936
7937 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7938
7939         * genattrtab.c (contained_in_p): Delete unused function.
7940         (write_expr_attr_cache): Likewise.
7941
7942 2007-02-11  Jan Hubicka  <jh@suse.cz>
7943
7944         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
7945         previous patch.
7946
7947 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
7948
7949         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
7950         to add the REG_EQ* note.
7951         * see.c (see_merge_one_use_extension): Likewise.
7952         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
7953         turn REG_EQUAL notes into REG_EQUIV notes if the target
7954         register may have more than one set.
7955         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
7956         * gcse.c (try_replace_reg): Likewise.
7957         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
7958         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
7959         more than one REG_EQUIV note.
7960         * reload1.c (gen_reload): Use set_unique_reg_note.
7961
7962 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
7963
7964         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
7965         (ix86_builtin_conversion): New function.
7966
7967 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
7968
7969         PR target/29487
7970         * tree.h (DECL_REPLACEABLE_P): New macro.
7971         * except.c (set_nothrow_function_flags): Likewise.
7972
7973 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
7974             Ira Rosen  <irar@il.ibm.com>
7975             Dorit Nuzman  <dorit@il.ibm.com>
7976
7977         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
7978         * targhooks.c (default_builtin_vectorized_conversion): New.
7979         * targhooks.h (default_builtin_vectorized_function): New declaration.
7980         * target.h (struct vectorize): Add builtin_conversion field.
7981         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
7982         stmt_vec_info_type value.
7983         (vectorizable_conversion): New declaration.
7984         * tree-vect-analyze.c (vect_analyze_operations): Add
7985         vectorizable_conversion call.
7986         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
7987         * tree-vect-transform.c (vectorizable_conversion): New function.
7988         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
7989         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
7990         mode.
7991         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
7992         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
7993         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
7994         or ALTIVEC_BUILTIN_VCFSX.
7995
7996 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7997
7998         PR target/30634
7999         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
8000         CONST_DOUBLE and operand 0 is a hard register.
8001         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
8002         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
8003         is a hard floating-point register.
8004
8005 2007-02-10  Richard Henderson  <rth@redhat.com>
8006             Jakub Jelinek  <jakub@redhat.com>
8007             Alexandre Oliva  <aoliva@redhat.com>
8008
8009         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
8010         * builtin-types.def (BT_WORD): Make unsigned.
8011         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8012         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8013         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8014         * c-decl.c (grokdeclarator): Don't error if !have_tls.
8015         * c-parser.c (c_parser_omp_threadprivate): Likewise.
8016         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8017         emulated tls.
8018         * expr.c (emutls_var_address): New.
8019         (expand_expr_real_1): Expand emulated tls.
8020         (expand_expr_addr_expr_1): Likewise.
8021         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8022         * output.h (emutls_finish): Declare.
8023         * toplev.c (compile_file): Call it.
8024         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8025         address before wrapping in CONST.
8026         * varasm.c (emutls_htab, emutls_object_type): New.
8027         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8028         (get_emutls_object_name, get_emutls_object_type): New.
8029         (get_emutls_init_templ_addr, emutls_decl): New.
8030         (emutls_common_1, emutls_finish): New.
8031         (assemble_variable): When emulating tls, swap decls; generate
8032         constructor for the emutls objects.
8033         (do_assemble_alias): When emulating tls, swap decl and target name.
8034         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8035         for emulated tls.
8036         * varpool.c (decide_is_variable_needed): Look at force_output.
8037         Recurse for emulated tls.
8038         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
8039         with decide_is_variable_needed.
8040         * emutls.c: New file.
8041         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8042         tls_object for real tls.
8043
8044 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
8045
8046         PR rtl-optimization/29599
8047         * reload1.c (eliminate_regs_in_insn): Take the destination
8048         mode into account when computing the offset.
8049
8050 2007-02-09  Stuart Hastings  <stuart@apple.com>
8051             Richard Henderson  <rth@redhat.com>
8052
8053         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8054         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8055         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
8056         fixuns_truncdfhi2): New.
8057         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
8058         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
8059         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
8060         (floatunssidf2): Allow nonimmediate source.
8061         * config/i386/sse.md (movdi_to_sse): New.
8062         (vec_concatv2di): Drop '*'.
8063         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
8064         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8065         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
8066         New.
8067         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
8068         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8069         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
8070         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
8071         (ix86_build_signbit_mask): Fix decl of v, refactor to call
8072         ix86_build_const_vector.
8073         (x86_emit_floatuns): Rewrite.
8074
8075 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8076
8077         * genautomata.c (longest_path_length): Delete unused function.
8078         (struct state): Delete unused longest_path_length.
8079         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
8080         (get_free_state): Delete unused.
8081
8082 2007-02-09  Jan Hubicka  <jh@suse.cz>
8083
8084         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
8085         * doc/invoke.texi (inline-unit-growth): Update default value.
8086
8087         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
8088         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
8089         (rebuild_cgraph_edges): Likewise.
8090         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
8091         (dump_cgraph_node): Dump frequencies.
8092         (cgraph_clone_edge): Add frequency scales.
8093         (cgraph_clone_node): Add freuqnecy.
8094         * cgraph.h (cgraph_edge): Add freuqnecy argument.
8095         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
8096         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
8097         * tree-pass.h (TODO_rebuild_frequencies): New constant.
8098         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
8099         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
8100         (save_inline_function_body): Likewise.
8101         * ipa-inline.c: inluce rtl.h
8102         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
8103         (cgraph_edge_badness): Use frequencies.
8104         (cgraph_decide_recursive_inlining): Update clonning.
8105         (cgraph_decide_inlining_of_small_function): Dump frequency.
8106         * predict.c (estimate_bb_frequencies): Export.
8107         * predict.h (estimate_bb_frequencies): Declare.
8108         * tree-inline.c (copy_bb): Watch overflows.
8109         (expand_call_inline): Update call of cgraph_create_edge.
8110         (optimize_inline_calls): Use TODO flags to update frequnecies.
8111         * passes.h: Include predict.h
8112         (init_optimization_passes): Move profile ahead.
8113         (execute_function_todo): Handle TODO_rebuild_frequencies.
8114
8115 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8116
8117         * config/alpha/alpha.c (emit_insxl): Force the first operand of
8118         the insbl or inswl pattern into a register.
8119
8120 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8121
8122         * config/ia64/ia64.md (bswapdi2): New define_insn.
8123
8124 2007-02-09  Richard Henderson  <rth@redhat.com>
8125
8126         * config/i386/constraints.md (Ym): New constraint.
8127         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
8128         (movdi_1_rex64): Split sse and xmm general register moves from
8129         memory move alternatives.  Use conditional register constraints.
8130         (movsf_1, movdf_integer): Likewise.
8131         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8132         (movdf_integer_rex64): New.
8133         (pushsf_rex64): Fix output constraints.
8134         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
8135         (sse2_stored): Likewise.
8136         (sse2_storeq_rex64): New.
8137         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
8138         amd and not generic.
8139         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
8140         for optimize_size.  Remove SF/DFmode hack.
8141
8142 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
8143
8144         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
8145         (bit_SSE4a): New.
8146
8147 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
8148             Richard Sandiford  <richard@codesourcery.com>
8149
8150         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
8151         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
8152         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
8153         m68k/t-mlib to tmake_file.
8154         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
8155         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
8156         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
8157         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
8158         variable is not empty, add t-$m68k_arch_family to tmake_file.
8159         Add t-mlibs to tmake_file.
8160         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
8161         * config/m68k/t-cf: New file.
8162         * config/m68k/t-m68k: Likewise.
8163         * config/m68k/t-mlibs: Likewise.
8164         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8165         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8166         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8167         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8168         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
8169         Delete.
8170         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
8171         (INSTALL_LIBGCC): Delete.
8172         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8173         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8174         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8175         (M68K_MLIB_CPU): Define.
8176         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8177         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8178         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
8179
8180 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8181             Richard Guenther  <rguenther@suse.de>
8182
8183         PR middle-end/23361
8184         * fold-const.c (fold_comparison): Handle obfuscated comparisons
8185         against INT_MIN/INT_MAX.
8186         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
8187         file if a loop is removed.
8188
8189 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
8190
8191         * calls.c (store_one_arg): Pass correct alignment to
8192         emit_push_insn for non-BLKmode values.
8193         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
8194         unaligned stack slot via a suitably aligned slot.
8195
8196 2007-02-08  DJ Delorie  <dj@redhat.com>
8197
8198         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
8199         warnings.
8200         (legal_subregs): Use unsigned char, make const.
8201         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
8202
8203 2007-02-08  Paul Brook  <paul@codesourcery.com>
8204
8205         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
8206         special interworking needed.
8207
8208 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
8209
8210         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
8211         conditional to __SSE2__.
8212         (Entries below should have been added to first ChangeLog
8213         entry for amdfam10 dated 2007-02-05)
8214         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
8215         defined.
8216         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
8217         defined.
8218         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
8219         defined.
8220
8221 2007-02-08  DJ Delorie  <dj@redhat.com>
8222
8223         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
8224         * config/m32c/m32c.c (legal_subregs): New.
8225         (m32c_illegal_subreg_p): New.
8226         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
8227         unsupported subregs of hard regs.
8228
8229 2007-02-08  Jan Hubicka  <jh@suse.cz>
8230
8231         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
8232         the same one; always update histograms.
8233
8234 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8235
8236         * passes.c (init_optimization_passes): Tidy comment.
8237
8238 2007-02-08  Roger Sayle  <roger@eyesopen.com>
8239
8240         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
8241         strip zero_extend, bswap and rotates from POCOUNT's argument.
8242         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
8243         zero_extend and rotates from PARITY's argument.
8244         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
8245         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
8246         of an integer constant at compile-time.
8247
8248 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8249
8250         PR 30562
8251         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
8252         Update all users.
8253         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
8254         users.
8255         (init_alias_info):
8256         * tree-ssa-live.c (remove_unused_locals): Do not remove
8257         TREE_ADDRESSABLE variables.
8258         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
8259         * tree-ssa-operands.c (add_virtual_operand): Remove argument
8260         FOR_CLOBBER.  Update all users.
8261         If VAR has an associated alias set, add a virtual operand for
8262         it if no alias is found to conflict with the memory reference.
8263
8264 2007-02-07  Jan Hubicka  <jh@suse.cz>
8265             Robert Kidd <rkidd@crhc.uiuc.edu>
8266
8267         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
8268
8269 2007-02-07  Ian Lance Taylor  <iant@google.com>
8270
8271         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
8272
8273 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8274
8275         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
8276         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
8277         tablejumpdi, movsi_to_cr_one): Remove constraints from
8278         define_expand's match_operands.
8279
8280 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8281
8282         * global.c (compute_regsets): Move declatation of "i" inside of
8283         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
8284
8285 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
8286
8287         PR c++/30703
8288         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
8289         of INDIRECT_REF <RESULT_DECL>.
8290
8291         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
8292
8293 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
8294             Kaz Kojima  <kkojima@gcc.gnu.org>
8295
8296         PR target/29746
8297         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
8298         properly.
8299         (sh_initialize_trampoline): Add parentheses to avoid a warning.
8300
8301 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
8302
8303         * doc/loop.texi: Document possibility not to perform disambiguation
8304         of loops with multiple latches.
8305         * cfgloopmanip.c (alp_enum_p): Removed.
8306         (add_loop): Handle subloops.  Use get_loop_body_with_size.
8307         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
8308         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
8309         the new forwarder block.
8310         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
8311         Handle the case latch is NULL.
8312         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
8313         when marking loop exits.
8314         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
8315         be modified.
8316         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
8317         disambiguate_loops_with_multiple_latches.
8318         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8319         before fix_loop_structure.
8320         * cfgloop.c: Include pointer-set.h and output.h.
8321         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8322         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8323         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8324         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8325         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8326         disambiguate_multiple_latches, get_loop_body_with_size,
8327         disambiguate_loops_with_multiple_latches): New functions.
8328         (flow_loop_dump): Dump multiple latch edges.
8329         (flow_loop_nodes_find): Handle loops with multiple latches.
8330         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8331         (glb_enum_p): Modified.
8332         (get_loop_body): Use get_loop_body_with_size.
8333         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8334         (AVOID_CFG_MODIFICATIONS): New constant.
8335         (disambiguate_loops_with_multiple_latches, add_loop,
8336         get_loop_body_with_size): Declare.
8337         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8338
8339 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
8340
8341         PR inline-asm/28686
8342         * global.c (compute_regsets): New function.
8343         (global_alloc): Refactored ELIMINABLE_REGSET
8344         and NO_GLOBAL_ALLOC_REGS computation out.
8345         (rest_of_handle_global_alloc): Call compute_regsets()
8346         for non-optimizing case.
8347
8348 2007-02-06  Richard Henderson  <rth@redhat.com>
8349
8350         * config/i386/constraints.md (Y2): Rename from Y.
8351         (Yi): New constraint.
8352         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8353         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8354         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8355         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8356         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8357         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8358         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
8359         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
8360         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
8361         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
8362         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
8363         vec_extractv2si_1): Change Y constraints to Y2.
8364         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
8365         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
8366         Change Y constraints to Y2.
8367         (sse2_loadld): Change Y constraints to x.
8368
8369 2007-02-06  Roger Sayle  <roger@eyesopen.com>
8370
8371         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
8372         (parity<mode>2): New define_expand using rs6000_emit_parity.
8373         * config/rs6000/rs6000.c (rs6000_emit_popcount,
8374         rs6000_emit_parity): New functions.
8375         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
8376         rs6000_emit_parity): Prototype here.
8377
8378 2007-02-06  Ian Lance Taylor  <iant@google.com>
8379
8380         * lower-subreg.c (simple_move_operand): Reject CONST.
8381         (resolve_clobber): Call validate_change rather than directly
8382         assigning to XEXP (pat, 0).
8383
8384 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8385
8386         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
8387         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
8388         (tree-cfg.o): Remove hashtab.h dependency.
8389
8390         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
8391         (struct ivopts_data): Change niters to pointer_map_t.
8392         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
8393         (niter_for_exit): Create pointer_map on demand.  Change for
8394         pointer_map API.
8395         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8396         (free_loop_data): Destroy data->niters if created and reset field.
8397         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8398         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8399
8400         * tree-ssa-reassoc.c: Include pointer-set.h.
8401         (bb_rank): Change to long *.
8402         (operand_rank): Change to pointer_map_t.
8403         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
8404         (insert_operand_rank): Accept long.
8405         (operand_entry_hash, operand_entry_eq): Remove.
8406         (get_rank): Return long.  Adjust for changes above.
8407         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
8408         and operand_rank.
8409         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
8410
8411         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
8412         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
8413         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
8414         is not NULL.
8415         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
8416         directly since it cannot be NULL.
8417         (get_vi_for_tree): Rewrite for pointer_map API.
8418         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
8419         (init_alias_vars): Create vi_for_tree as pointer_map.
8420         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
8421
8422         * tree-cfg.c: Don't include hashtab.h.
8423         (edge_to_cases): Declare as pointer_map.
8424         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
8425         Delete.
8426         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
8427         (start_recording_case_labels): Create edge_to_cases as pointer_map.
8428         (end_recoding_case_labels): Cleanup edge_to_cases manually before
8429         destroying it.
8430         (record_switch_edge): Delete.
8431         (get_cases_for_edge): Adjust for pointer_map API, inline
8432         record_switch_edge (rewritten for new API), remove goto.
8433
8434 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8435
8436         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
8437         * tree-nested.c: Include pointer-set.h.
8438         (var_map_elt, var_map_eq, var_map_hash): Delete.
8439         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
8440         to pointer_map_t's.
8441         (nesting_info_bitmap_obstack): New.
8442         (lookup_field_for_decl): Adjust for pointer_map API.
8443         (lookup_tramp_for_decl): Adjust for pointer_map API.
8444         (get_nonlocal_debug_decl): Adjust for pointer_map API.
8445         (get_local_debug_decl): Adjust for pointer_map API.
8446         (convert_nl_goto_reference): Adjust for pointer_map API.
8447         (convert_nl_goto_receiver): Adjust for pointer_map API.
8448         (create_nesting_tree): Create outside GGC space.  Create bitmap on
8449         the new obstack.  Create field_map and var_map as pointer_maps.
8450         (free_nesting_tree): Adjust for changes to create_nesting_tree.
8451         (root): Delete.
8452         (lower_nested_functions): Move root here, no need to NULL it.
8453         Initialize and release the obstack.
8454
8455 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
8456
8457         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
8458         Remove prototypes and make them non-static.
8459         (struct tree_int_map): Remove.
8460         * tree.h (struct tree_int_map): Move here, turning TO into an
8461         unsigned int.
8462         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
8463
8464         * tree.h (TREE_COMPLEXITY): Remove.
8465         (struct tree_exp): Remove complexity field.
8466         * tree.c (build1_stat): Don't set it.
8467
8468 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
8469             Victor Kaplansky  <victork@il.ibm.com>
8470
8471         * tree-vectorizer.c (vect_is_simple_use): Support induction.
8472         (vect_is_simple_reduction): Support reduction with induction as
8473         one of the operands.
8474         (vect_is_simple_iv_evolution): Fix formatting.
8475         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
8476         formatting.  Don't mark induction phis for vectorization.
8477         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
8478         * tree-vect-transform.c (get_initial_def_for_induction): New function.
8479         (vect_get_vec_def_for_operand): Support induction.
8480         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
8481         induction case.
8482         (vectorizable_reduction): Support reduction with induction as one of
8483         the operands.
8484         (vectorizable_type_demotion): Use def-type of stmt argument rather
8485         than dummy def-type.
8486
8487         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
8488         flag_tree_scev_cprop.
8489         * common.opt (tree-scev-cprop): New flag.
8490
8491         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
8492         call to vect_get_new_vect_var.
8493
8494 2007-02-06  Ira Rosen  <irar@il.ibm.com>
8495
8496         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
8497         vectype is not NULL.
8498         (vect_pattern_recog_1): Likewise.
8499
8500 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8501
8502         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
8503         (fold_negate_expr): Likewise.
8504
8505 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
8506
8507         PR debug/30189
8508         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
8509         even if cv-qualification is the same.
8510
8511 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
8512
8513         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
8514         __enable_execute_stack on completion.
8515
8516 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8517
8518         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
8519         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
8520         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
8521         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
8522         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
8523         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
8524         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
8525         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
8526
8527 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8528
8529         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
8530         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
8531         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
8532         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
8533         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
8534         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
8535         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
8536         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
8537         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
8538         umuldi3_highpart_rex64, umulsi3_highpart_insn,
8539         umulsi3_highpart_zext, smuldi3_highpart_rex64,
8540         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
8541         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
8542         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
8543         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
8544         sqrtextenddfxf2_i387): Added amdfam10_decode.
8545
8546         * config/i386/athlon.md (athlon_idirect_amdfam10,
8547         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
8548         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
8549         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
8550         athlon_ivector_store_amdfam10): New define_insn_reservation.
8551         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
8552         amdfam10.
8553
8554 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8555
8556         * config/i386/athlon.md (athlon_call_amdfam10,
8557         athlon_pop_amdfam10, athlon_lea_amdfam10): New
8558         define_insn_reservation.
8559         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
8560         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
8561         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
8562
8563 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8564
8565         * config/i386/athlon.md (athlon_sseld_amdfam10,
8566         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8567         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8568
8569 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8570
8571         * config/i386/athlon.md (athlon_sseins_amdfam10): New
8572         define_insn_reservation.
8573         * config/i386/i386.md (sseins): Added sseins to define_attr type
8574         and define_attr unit.
8575         * config/i386/sse.md: Set type attribute to sseins for insertq
8576         and insertqi.
8577
8578 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8579
8580         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8581         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8582         ssecomi_load_amdfam10, ssecomi_amdfam10,
8583         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8584         define_insn_reservation.
8585         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8586
8587 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8588
8589         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8590         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8591         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8592         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8593         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8594         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8595         define_insn_reservation.
8596
8597         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8598         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8599         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8600         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8601         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8602
8603 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8604
8605         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8606         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8607         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8608         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8609         athlon_ssemul_load_k8): Added amdfam10.
8610
8611 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8612
8613         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8614         (x86_sse_unaligned_move_optimal): New variable.
8615
8616         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8617         m_AMDFAM10.
8618         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8619         for unaligned vector SSE double/single precision loads for AMDFAM10.
8620
8621 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8622
8623         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8624         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8625         Define TARGET_CPU_DEFAULT_amdfam10.
8626         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8627         (processor_type): Add PROCESSOR_AMDFAM10.
8628
8629         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8630         processor_type in config/i386/i386.h.
8631         Enable imul peepholes for TARGET_AMDFAM10.
8632
8633         * config.gcc: Add support for --with-cpu option for amdfam10.
8634
8635         * config/i386/i386.c (amdfam10_cost): New variable.
8636         (m_AMDFAM10): New macro.
8637         (m_ATHLON_K8_AMDFAM10): New macro.
8638         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8639         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
8640         x86_promote_QImode, x86_integer_DFmode_moves,
8641         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8642         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
8643         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
8644         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
8645         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
8646         Enable/disable for amdfam10.
8647         (override_options): Add amdfam10_cost to processor_target_table.
8648         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
8649         processor_alias_table.
8650         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
8651         (ix86_adjust_cost): Add code for amdfam10.
8652
8653 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8654
8655         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
8656         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
8657         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
8658         * config/i386/i386.h: Add builtin definition for SSE4A.
8659         * config/i386/i386.md: Add support for ABM instructions
8660         (popcnt and lzcnt).
8661         * config/i386/sse.md: Add support for SSE4A instructions
8662         (movntss, movntsd, extrq, insertq).
8663         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
8664         Add -march=amdfam10 flag.
8665         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
8666         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
8667         and amdfam10.
8668         * doc/extend.texi: Add documentation for SSE4A builtins.
8669
8670 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
8671
8672         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
8673
8674 2007-02-05  Richard Guenther  <rguenther@suse.de>
8675
8676         * tree-vectorizer.h (vectorizable_function): Add argument type
8677         argument, change return type.
8678         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
8679         * tree-vect-transform.c (vectorizable_function): Handle extra
8680         argument, return vectorized function decl.
8681         (build_vectorized_function_call): Remove.
8682         (vectorizable_call): Handle calls with result and argument types
8683         differing.  Handle loop vectorization factor correctly.
8684         * targhooks.c (default_builtin_vectorized_function): Adjust for
8685         extra argument.
8686         * targhooks.h (default_builtin_vectorized_function): Likewise.
8687         * target.h (builtin_vectorized_function): Add argument type
8688         argument.
8689         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
8690         extra argument, allow vectorizing of lrintf.
8691         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
8692         documentation of target hook.
8693
8694 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
8695
8696         PR target/30665
8697         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
8698         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
8699         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
8700
8701 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8702
8703         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
8704         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
8705         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
8706         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
8707         before canonicalizing sincos to cexpi.
8708         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
8709
8710 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8711
8712         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
8713         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
8714         (alpha_init_builtins): Use alpha_add_builtins to process tables.
8715
8716 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8717
8718         * mips-tfile.c (initialize_init_file): Correct endianness test.
8719
8720 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
8721
8722         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
8723         the 'y' constraint.
8724
8725 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8726
8727         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
8728         saves in a PARALLEL before the register assignments.
8729
8730 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8731
8732         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
8733         DWARF_FRAME_RETURN_COLUMN to be a general register.
8734         * dwarf2out.c (init_return_column_size): New function, split from...
8735         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
8736         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
8737         to be nongeneral registers.
8738         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
8739         integer registers.
8740         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
8741         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
8742
8743 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8744
8745         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
8746
8747 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8748
8749         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
8750         (remove_path): Use can_remove_branch_p and remove_branch instead
8751         of loop_delete_branch_edge.
8752         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
8753         (tree_transform_and_unroll_loop): Remove dead branches immediately.
8754         Update profile using scale_dominated_blocks_in_loop.
8755         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
8756         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
8757         (can_remove_branch_p, remove_branch): Declare.
8758         * tree-cfg.c (tree_can_remove_branch_p): New function.
8759         (tree_cfg_hooks): Add tree_can_remove_branch_p.
8760         * cfgrtl.c (rtl_can_remove_branch_p): New function.
8761         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
8762
8763 2007-02-05  Jan Hubicka  <jh@suse.cz>
8764
8765         PR middle-end/30696
8766         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
8767         nodes in cgraph, don't remove offline copy of the function.
8768
8769 2007-02-04  Jan Hubicka  <jh@suse.cz>
8770
8771         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
8772         vectors might cause maybe_lookup_element_for_expr to be called
8773         on non-sra-candidate.
8774
8775 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8776
8777         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
8778         config/bfin/bfin.md, config/bfin/predicates.md: Follow
8779         spelling conventions.
8780
8781 2007-02-04  Richard Guenther  <rguenther@suse.de>
8782
8783         PR middle-end/30636
8784         * fold-const.c (try_move_mult_to_index): Make sure to not
8785         overflow one dimension of a multi-dimensional array access.
8786
8787 2007-02-04  Jan Hubicka  <jh@suse.cz>
8788
8789         * passes.c (init_optimization_passes): Reindent.
8790
8791 2007-02-04  Jan Hubicka  <jh@suse.cz>
8792             Eric Botcazou  <ebotcazou@adacore.com>
8793
8794         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
8795         (execute_fixup_cfg): Break out the abnormal goto code.
8796         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
8797         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
8798         (optimize_inline_calls): Call make_nonlocal_label_edges.
8799
8800 2007-02-04  Jan Hubicka  <jh@suse.cz>
8801
8802         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
8803         true when something was changed.
8804         (rename_ssa_copies): When something was changed, do
8805         TODO_remove_unused_locals.
8806         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8807         add TODO_remove_unused_locals when instruction was removed.
8808
8809 2007-02-04  Jan Hubicka  <jh@suse.cz>
8810
8811         * ipa-inline.c (try_inline): Improve debug output; work on already
8812         inline edges too.
8813         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
8814         call try_inline for already inlined edges too when flattening;
8815         inline also functions that make callee growth but overall unit size
8816         reduce.
8817
8818 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8819
8820         * config/m32c/bitops.md, config/m32c/jump.md,
8821         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
8822         config/m32r/m32r.h, config/m32r/m32r.md,
8823         config/m32r/predicates.md, config/m68hc11/larith.asm,
8824         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
8825         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
8826         config/mips/mips-protos.h, config/mips/mips.c,
8827         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
8828         config/mn10300/mn10300.h, config/mn10300/predicates.md,
8829         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
8830         spelling conventions.
8831
8832         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
8833         Follow spelling conventions.
8834
8835 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
8836
8837         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
8838         warn about C++0x compatibility.
8839
8840 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8841
8842         * config/h8300/h8300.c, config/h8300/h8300.h,
8843         config/h8300/h8300.md: Follow spelling conventions.
8844
8845 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
8846
8847         PR middle-end/30667
8848         * combine.c (try_combine): Do not substitute source operand
8849         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
8850
8851 2007-02-03  Jan Hubicka  <jh@suse.cz>
8852
8853         PR gcov-profile/30650
8854         * value-prof.c (stringop_block_profile): Fix handling of size counter;
8855         do not divide by zero for never executed counters.
8856         (tree_find_values_to_profile): Fix counters.
8857         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
8858
8859 2007-02-03  Ian Lance Taylor  <iant@google.com>
8860
8861         * lower-subreg.c (simple_move_operand): New static function,
8862         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
8863         operands.
8864         (simple_move): Call simple_move_operand.
8865         (find_decomposable_subregs): Add special handling of MEMs.
8866         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
8867         meaning of return value.  If we see a hard register, test whether
8868         it can store a word_mode value.  Change all callers.
8869
8870 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8871
8872         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
8873         ftrapv insns and expanders.
8874         (subdi3): Change define_expand operand 1 to arith11_operand, and
8875         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
8876         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
8877         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
8878         respectively.
8879
8880         PR middle-end/30174
8881         * varasm.c (notice_global_symbol): Treat global objects as weak when
8882         flag_shlib is true.
8883
8884 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8885
8886         * emit-rtl.c (dconstpi): Delete.
8887         (dconstsqrt2): New.
8888         (init_emit_once): Delete dconstpi and init dconstsqrt2.
8889         * real.h (dconstpi): Delete.
8890         (dconstsqrt2): New.
8891         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
8892         (fold_builtin_hypot): Likewise.
8893
8894 2007-02-03  Tom Tromey  <tromey@redhat.com>
8895
8896         PR driver/30246
8897         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
8898         -gcoff3, -gxcoff3, -gvms3 implies -dD.
8899
8900 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
8901
8902         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
8903         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
8904         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
8905         config/rs6000/cell.md, config/rs6000/darwin.h,
8906         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
8907         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
8908         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
8909         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
8910         typos.  Follow spelling conventions.
8911         * doc/invoke.texi: Follow spelling conventions.
8912
8913 2007-02-03  Roger Sayle  <roger@eyesopen.com>
8914
8915         * simplify-rtx.c (simplify_relational_operation_1): Implement some
8916         canonicalization transformations that attempt to simplify integer
8917         constant comparisons to become comparisons against zero.
8918
8919 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8920
8921         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
8922         fabs(x)*sqrt(2).
8923         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
8924         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
8925
8926 2007-02-02  Mike Stump  <mrs@apple.com>
8927
8928         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
8929         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
8930         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
8931         generate a branch island.
8932
8933 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
8934
8935         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
8936         (xtensa_legitimate_address_p): New.
8937         (xtensa_legitimize_address): New.
8938         (xtensa_output_addr_const_extra): New.
8939         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
8940         (BASE_REG_P): New.
8941         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
8942         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
8943         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
8944         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
8945         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
8946         (xtensa_legitimize_address): New.
8947         (xtensa_output_addr_const_extra): New.
8948
8949 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
8950
8951         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
8952
8953 2007-02-02  Ian Lance Taylor  <iant@google.com>
8954
8955         * expmed.c (expand_divmod): Add comment.
8956
8957 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
8958
8959         * emit-rtl.c (renumber_insns): Remove.
8960         * flags.h: Remove the extern for flag_renumber_insns.
8961         * rtl.h: Remove the prototype for renumber_insns.
8962         * toplev.c (flag_renumber_insns): Remove.
8963
8964 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
8965
8966         Revert for x86 darwin:
8967         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
8968
8969         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
8970         code before the following patch under TARGET_MACHO.
8971         (ix86_function_value_regno_p): Likewise.
8972
8973 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8974
8975         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
8976         COMPLEX_EXPR.
8977
8978 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8979
8980         PR target/29682
8981         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
8982         general or fp registers.  Add comments.
8983         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
8984
8985 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
8986
8987         * pointer-set.c (insert_aux): Only return insertion slot.
8988         (pointer_set_insert): Adjust.
8989         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
8990         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
8991         pointer_map_traverse): New.
8992         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
8993         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
8994         pointer_map_contains, pointer_map_traverse): Declare.
8995
8996 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
8997
8998         PR middle-end/30473
8999         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
9000         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
9001
9002 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9003
9004         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
9005
9006         (struct _dep): New type.
9007         (dep_t): New typedef.
9008         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
9009         (DEP_STATUS): New access macro.  The macro with the same name was
9010         renamed to DEP_LINK_STATUS.
9011         (dep_init): Declare function
9012
9013         (struct _dep_link): New type.
9014         (dep_link_t): New typedef.
9015         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
9016         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
9017         (DEP_LINK_STATUS): New macro.
9018         (debug_dep_links): New debug function.
9019
9020         (struct _deps_list): New type.
9021         (deps_list_t): New typedef.
9022         (DEPS_LIST_FIRST): New access macro.
9023         (FOR_EACH_DEP_LINK): New cycle macro.
9024         (create_deps_list, free_deps_list, delete_deps_list): Declare
9025         functions.
9026         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
9027         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
9028         (copy_deps_list_change_con): Ditto.
9029
9030         (move_dep_link): Declare function.
9031
9032         (struct _dep_node): New type.
9033         (dep_node_t): New typedef.
9034         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
9035
9036         (struct haifa_insn_data.back_deps): New field to hold backward
9037         dependencies of the insn.
9038         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
9039         to deps_list_t.
9040         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
9041         Change its type to deps_list_t.
9042         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
9043         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
9044         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
9045
9046         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
9047
9048         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
9049
9050         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
9051         all callers.
9052         (dep_cost): Declare.
9053
9054         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
9055         (ds_to_dk, dk_to_ds): New functions.
9056
9057         (init_dep_1): New static function.
9058         (init_dep): New function.
9059         (copy_dep): New static function.
9060
9061         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
9062         functions.
9063         (detach_dep_link): New static function.
9064         (move_dep_link): New function.
9065
9066         (dep_links_consistent_p, dump_dep_links): New static functions.
9067         (debug_dep_links): New debugging function.
9068
9069         (deps_obstack, dl_obstack, dn_obstack): New static variables.
9070
9071         (alloc_deps_list, init_deps_list): New static functions.
9072         (create_deps_list): New function.
9073         (clear_deps_list): New static function.
9074         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
9075         (deps_list_consistent_p, dump_deps_list): New static functions.
9076         (debug_deps_list): New function.
9077         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
9078         functions.
9079         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
9080
9081         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
9082         use new scheduler dependencies lists.
9083         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
9084         (sched_analyze): Ditto.  Initialize dependencies lists.
9085         (add_forw_dep, compute_forward_dependences): Update to use new
9086         scheduler dependencies lists.
9087
9088         (init_dependency_caches): Init deps_obstack.
9089         (free_dependency_caches): Free deps_obstack.
9090
9091         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
9092         new scheduler dependencies lists.
9093         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
9094         (add_back_forw_dep, delete_back_forw_dep): Ditto.
9095
9096         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
9097         Update to use new scheduler dependencies lists.
9098         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
9099         (debug_dependencies): Ditto.
9100         (schedule_region): Update comments.
9101
9102         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
9103         scheduler dependencies lists.
9104         (schedule_ebb): Update comments.
9105
9106         * rtl.def (DEPS_LIST): Remove.
9107
9108         * lists.c (unused_deps_list): Remove.
9109         (free_list): Update assertions.
9110
9111         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
9112         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9113
9114         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
9115         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9116
9117         * haifa-sched.c (comments): Update.
9118         (insn_cost1): Remove.  Inline the code into insn_cost ().
9119         (insn_cost): Update to use new scheduler dependencies lists.  Move
9120         processing of the dependency cost to dep_cost ().
9121         (dep_cost): New function.  Use it instead of insn_cost () when
9122         evaluating cost of the dependency.  Use compatible interface to
9123         interact with the target.
9124         (priority): Update to use new scheduler dependencies lists.
9125         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
9126         with greater number of insns that depend on the insn.
9127         (schedule_insn): Update to use new scheduler dependencies lists.  Add
9128         code to free backward dependencies lists.  Inline and optimize code
9129         from resolve_dep () - see PR28071.
9130         (ok_for_early_queue_removal): Update to use new scheduler dependencies
9131         lists.  Update call to targetm.sched.is_costly_dependence hook.
9132
9133         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
9134         scheduler dependencies lists.
9135
9136         (resolve_dep): Remove.  Move the logic to schedule_insn ().
9137         (init_h_i_d): Initialize dependencies lists.
9138
9139         (process_insn_depend_be_in_spec): Rename to
9140         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
9141         dependencies lists.
9142         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
9143         Update to use new scheduler dependencies lists.
9144         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
9145
9146         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
9147         new scheduler dependencies lists.
9148         (build_intra_loop_deps): Ditto.
9149
9150         * target.h (struct _dep): Declare to use in
9151         gcc_target.sched.is_costly_dependence.
9152         (struct gcc_target.sched.adjust_cost): Fix typo.
9153         (struct gcc_target.sched.is_costly_dependence): Change signature to use
9154         single dep_t parameter instead of an equivalent triad.
9155         (struct gcc_target.sched.adjust_cost_2): Remove.
9156
9157         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
9158
9159         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
9160
9161         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
9162         documentation.
9163         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
9164
9165         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
9166         (REG_DEP_TRUE): Document.
9167
9168         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
9169         Change signature to correspond to the targetm.sched.adjust_cost hook.
9170         Update use in TARGET_SCHED_ADJUST_COST_2.
9171         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
9172         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
9173         new scheduler dependencies lists.
9174         (ia64_gen_check): Ditto.
9175
9176         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
9177         dependencies lists.
9178
9179         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
9180         signature to correspond to the targetm.sched.is_costly_dependence hook.
9181         (is_costly_group): Update to use new scheduler dependencies lists.
9182
9183         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
9184         instead of INSN_COST () macro.
9185
9186 2007-02-01  Ian Lance Taylor  <iant@google.com>
9187
9188         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
9189
9190 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
9191
9192         * pa.md (tp_load): Correct mfctl instruction syntax.
9193
9194 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
9195
9196         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
9197         altivec_padding_size calculation on AIX.  Improve comment, add
9198         assert to verify that it's right.
9199
9200         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
9201         64-bit.
9202
9203 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
9204
9205         PR inline-asm/28686
9206         * global.c (global_alloc): Add mising initialization of
9207         ELIMINABLE_REGSET.
9208
9209 2007-02-01  Roger Sayle  <roger@eyesopen.com>
9210
9211         * alias.c (init_alias_analysis): Correct whitespace.
9212         * bb-reorder.c (fix_edges_for_rarely_executed_code,
9213         partition_hot_cold_basic_blocks): Likewise.
9214         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
9215         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
9216         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
9217         fold_builtin_snprintf_chk, fold_builtin_printf,
9218         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
9219         do_mpfr_arg3, do_mpfr_sincos): Likewise.
9220         * cfgcleanup.c (cleanup_cfg): Likewise.
9221         * cfgexpand.c (tree_expand_cfg): Likewise.
9222         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
9223         * function.c (get_next_funcdef_no): Likewise.
9224         * gengtype.c (main): Likewise.
9225         * genmodes.c (main): Likewise.
9226         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
9227         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
9228         * ifcvt.c (noce_emit_move_insn): Likewise.
9229         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
9230         Likewise.
9231         * stor-layout.c (get_best_mode): Likewise.
9232         * tree-ssa-loop-niter.c (get_val_for): Likewise.
9233         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
9234         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
9235         perform_var_substitution, solve_graph): Likewise.
9236         * tree-vrp.c (vrp_finalize): Likewise.
9237
9238 2007-02-01  Ian Lance Taylor  <iant@google.com>
9239
9240         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
9241         high part of a paradoxical subreg, return a constant zero.
9242
9243 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
9244
9245         * toplev.c (lang_dependent_init): Call init_set_costs.
9246         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
9247
9248 2007-02-01  Richard Guenther  <rguenther@suse.de>
9249
9250         PR middle-end/30656
9251         * fold-const.c (fold_negate_expr): Allow negating a
9252         constant if overflow does not change.
9253
9254 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9255
9256         * doc/c-tree.texi (Expression trees): Improve markup.
9257         * doc/tm.texi (Register Classes, Addressing Modes)
9258         (Floating Point): Fix spacing after abbreviations.  Fix some
9259         typos.
9260
9261 2007-02-01  Ben Elliston  <bje@au.ibm.com>
9262
9263         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
9264         * doc/contrib.texi: Likewise.
9265         * doc/install.texi: Likewise.
9266
9267 2007-01-31  Richard Henderson  <rth@redhat.com>
9268             Ian Lance Taylor  <iant@google.com>
9269
9270         * lower-subreg.c: New file.
9271         * rtl.def (CONCATN): Define.
9272         * passes.c (init_optimization_passes): Add pass_lower_subreg and
9273         pass_lower_subreg2.
9274         * emit-rtl.c (update_reg_offset): New static function, broken out
9275         of gen_rtx_REG_offset.
9276         (gen_rtx_REG_offset): Call update_reg_offset.
9277         (gen_reg_rtx_offset): New function.
9278         * regclass.c: Revert patch of 2006-03-05, restoring
9279         reg_scan_update.
9280         (clear_reg_info_regno): New function.
9281         * dwarf2out.c (concatn_loc_descriptor): New static function.
9282         (loc_descriptor): Handle CONCATN.
9283         * common.opt (fsplit_wide_types): New option.
9284         * opts.c (decode_options): Set flag_split_wide_types when
9285         optimizing.
9286         * timevar.def (TV_LOWER_SUBREG): Define.
9287         * rtl.h (gen_reg_rtx_offset): Declare.
9288         (reg_scan_update): Declare.
9289         * regs.h (clear_reg_info_regno): Declare.
9290         * tree-pass.h (pass_lower_subreg): Declare.
9291         (pass_lower_subreg2): Declare.
9292         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
9293         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
9294         -fsplit-wide-types.
9295         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
9296         * Makefile.in (OBJS-common): Add lower-subreg.o.
9297         (lower-subreg.o): New target.
9298
9299 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9300
9301         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
9302
9303 2007-01-31  Anatoly Sokolov <aesok@post.ru>
9304
9305         PR target/19087
9306         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
9307
9308 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9309
9310         PR middle-end/29335
9311         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
9312
9313 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
9314
9315         * cfgloop.h: Include vec-prim.h.
9316         (enum li_flags): Remove LI_ONLY_OLD.
9317         (loop_iterator): Changed.
9318         (fel_next, fel_init): Iterate over loop tree.
9319         (FOR_EACH_LOOP_BREAK): New macro.
9320         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9321         FOR_EACH_LOOP.
9322         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9323         * modulo-sched.c (sms_schedule): Ditto.
9324         * tree-vectorizer.c (vectorize_loops): Ditto.
9325         * doc/loop.texi: Update information on loop numbering and behavior of
9326         FOR_EACH_LOOP wrto new loops.
9327         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9328         add_to_evolution_1): Test nestedness of loops instead of comparing
9329         their numbers.
9330         * tree-chrec.c (chrec_fold_plus_poly_poly,
9331         chrec_fold_multiply_poly_poly, chrec_evaluate,
9332         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9333         reset_evolution_in_loop): Ditto.
9334         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9335
9336 2007-01-31  Dirk Mueller  <dmueller@suse.de>
9337
9338         * c-common.c (warn_about_parentheses): Separate warning about
9339         un-parenthized sequence of comparison operators from the one
9340         which is supposed to warn about x <= y <= z.
9341
9342 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
9343
9344         * optabs.h (enum optab_index): Add new OTI_isinf.
9345         (isinf_optab): Define corresponding macro.
9346         * optabs.c (init_optabs): Initialize isinf_optab.
9347         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9348         patterns.
9349         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9350         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9351         using isinf_optab.
9352         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9353         expand_builtin_interclass_mathfn.
9354         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9355         * config/i386/i386.md (UNSPEC_FXAM): New constant.
9356         (fxam<mode>2_i387): New insn pattern.
9357         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9358         built-in functions as x87 inline asm.
9359
9360 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9361
9362         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
9363
9364 2007-01-30  Eric Christopher  <echristo@apple.com>
9365
9366         * config.gcc: Add geode.
9367
9368 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9369
9370         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
9371         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
9372         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
9373         value-prof.c: Fix comment typos.
9374
9375 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9376
9377         PR c++/24745
9378         * doc/invoke.texi (Wpointer-arith): Document warning.
9379
9380 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
9381
9382         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
9383         the list of discrepancies from the draft TR.
9384
9385 2007-01-30  Dirk Mueller  <dmueller@suse.de>
9386
9387         PR c++/30601
9388         * doc/invoke.texi (-Wreturn-type): Update description to
9389         match new behavior.
9390
9391 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
9392
9393         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9394
9395 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
9396
9397         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9398         to handle optabs that operate on floating point input argument and
9399         output to integer output.
9400         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9401         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9402         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9403         expand_builtin_interclass_mathfn ().
9404         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
9405         (ilogbsi2): Remove.
9406         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
9407         ilogbl built-in functions as x87 intrinsics.
9408
9409 2007-01-30  Richard Guenther  <rguenther@suse.de>
9410
9411         PR middle-end/27657
9412         * dwarf2out.c (reference_to_unused): Query varpool if the
9413         variable was output.
9414
9415 2007-01-30  Richard Guenther  <rguenther@suse.de>
9416
9417         PR middle-end/30313
9418         * passes.c (execute_one_pass): Reset in_gimple_form to not
9419         confuse non-unit-at-a-time mode.
9420
9421 2007-01-29  Roger Sayle  <roger@eyesopen.com>
9422             Richard Guenther  <rguenther@suse.de>
9423
9424         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
9425         avoid undefined behaviour on overflow.  Use force_fit_type_double
9426         to construct the constant with the specified TREE_OVERFLOW.
9427
9428 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9429
9430         * config/dfp-bit.c: Add parameterized support for fp exceptions.
9431         * config/dfp-bit.h: Ditto.
9432
9433 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9434
9435         * c-decl.c (pop_scope): Replace warnings with call to
9436         warn_for_unused_label.
9437         * c-common.h (warn_for_unused_label): Declare.
9438         * c-common.c (warn_for_unused_label): Define.
9439
9440 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9441
9442         * tree-optimize.c (update_inlined_to_pointers): Delete unused
9443         function.
9444
9445 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9446
9447         * Makefile.in (USER_H): Remove decfloat.h.
9448         * ginclude/decfloat.h: Delete, moving contents to ...
9449         * ginclude/float.h: Add support for decimal floating point,
9450         guarded by __STDC_WANT_DEC_FP__.
9451
9452 2007-01-29  Mike Stump  <mrs@apple.com>
9453
9454         * doc/gccint.texi (Top): Rename Loop Representation to Loop
9455         Analysis and Representation to resolve case insensitive conflict.
9456         * doc/loop.texi (Loop Analysis and Representation): Likewise.
9457
9458 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
9459
9460         * tree.h (struct tree_memory_tag): Add aliases member.
9461         (MTAG_ALIASES): New macro.
9462         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
9463         (add_may_alias): Remove pointer-set. Update for may_aliases being
9464         a bitmap.
9465         (mark_aliases_call_clobbered): Update for may_aliases being a
9466         bitmap.
9467         (compute_tag_properties): Ditto.
9468         (create_partition_for): Ditto.
9469         (compute_memory_partitions): Ditto.
9470         (dump_may_aliases_for): Ditto.
9471         (is_aliased_with): Ditto.
9472         (add_may_alias_for_new_tag): Ditto.
9473         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
9474         (compute_is_aliased): New function.
9475         (compute_may_aliases): Call compute_is_aliased).
9476         (init_alias_info): Initialize alias_bitmap_obstack.
9477         (union_alias_set_into): New function.
9478         (compute_flow_sensitive_aliasing): Use union_aliases_into.
9479         (have_common_aliases_p): Rewrite to take two bitmaps and use
9480         intersection.
9481         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
9482         Update for bitmaps.
9483         (finalize_ref_all_pointers): Update for add_may_alias changes.
9484         (new_type_alias): Ditto.
9485         * tree-flow-inline.h (may_aliases): Return a bitmap.
9486         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
9487         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
9488         may_aliases being a bitmap.
9489         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
9490         may_aliases now returns a bitmap.
9491         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
9492         being a bitmap.
9493         * tree-ssa-operands.c (add_virtual_operand): Update for
9494         may_aliases being a bitmap.
9495
9496 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
9497
9498         PR tree-optimization/30630
9499         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
9500         variable as changed.
9501
9502 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
9503
9504         PR c++/28266
9505         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
9506         expanded only once even if an error occurs.
9507
9508 2007-01-29  Ben Elliston  <bje@au.ibm.com>
9509
9510         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
9511         (__gcov_average_profiler): Likewise.
9512         (__gcov_ior_profiler): Likewise.
9513         (__gcov_merge_ior): Likewise.
9514
9515 2007-01-28  Jan Hubicka  <jh@suse.cz>
9516
9517         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
9518         * value-prof.c (stringop_block_profile): Likewise.
9519
9520 2007-01-28  Jan Hubicka  <jh@suse.cz>
9521
9522         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
9523         variant handling histograms; add wrapper.
9524         (clear_storage_via_libcall): Export.
9525         (emit_block_move_hints): Break out from ...; add histograms.
9526         (emit_block_move): ... this one.
9527         (clear_storage_hints): Break out from ...; add histograms.
9528         (clear_storage): ... this one.
9529         (set_storage_via_memset): Handle histogram.
9530         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
9531         (clear_storage_hints, clear_storage_via_libcall): Declare.
9532         (set_storage_via_setmem): Update prototype.
9533         * doc/md.texi (movmem, setmem): Document new arguments.
9534
9535         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
9536         new histograms.
9537         (stringop_block_profile): New global function.
9538         (tree_stringops_values_to_profile): Profile block size and alignment.
9539         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
9540         HIST_TYPE_IOR.
9541         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
9542         (stringop_block_profile): Declare.
9543         * builtins.c: Include value-prof.h.
9544         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
9545         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
9546         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
9547         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
9548         * profile.c (instrument_values): Add new counters.
9549         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
9550         calls.
9551         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
9552         (tree_init_edge_profiler): Build new profilers.
9553         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
9554         (pass_tree_profile): Add dump.
9555         (tree_profile_hooks): Update.
9556         * Makefile.in (LIBGCOV): Add new constants.
9557         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
9558         __gcov_ior_profiler): New.
9559         * i386.md (movmem/setmem expanders): Add new optional arguments.
9560
9561 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
9562
9563         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9564
9565 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9566
9567         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9568         (tree_unswitch_single_loop): Pass eni_size_weights to
9569         tree_num_loop_insns.
9570         * tree-ssa-loop-manip.c: Include tree-inline.h.
9571         (can_unroll_loop_p): Pass eni_size_weights to
9572         tree_num_loop_insns.
9573         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9574         Pass eni_size_weights to estimate_num_insns.
9575         * tree.h (init_inline_once): Export.
9576         * toplev.c (backend_init): Call init_inline_once.
9577         * cgraphunit.c (cgraph_process_new_functions,
9578         cgraph_analyze_function): Pass eni_inlining_weights to
9579         estimate_num_insns.
9580         * ipa-inline.c (compute_inline_parameters): Ditto.
9581         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9582         to estimate_num_insns.
9583         (try_unroll_loop_completely): Pass eni_size_weights to
9584         tree_num_loop_insns.
9585         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9586         ot estimate_num_insns.
9587         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9588         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9589         * tree-inline.c (eni_inlining_weights, eni_size_weights,
9590         eni_time_weights): New variables.
9591         (init_inline_once): Initialize them.
9592         (struct eni_data): Mew.
9593         (estimate_num_insns_1, estimate_num_insns): Use weights.
9594         * tree-inline.h (struct eni_weights_d): New.
9595         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9596         (estimate_num_insns): Declaration changed.
9597         * cfgloop.h (tree_num_loop_insns): Declaration changed.
9598         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9599         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9600
9601 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9602
9603         * tree-data-ref.c (conflict_fn): Assert that the number of affine
9604         relations in the conflict function is valid.
9605
9606 2007-01-27  Ian Lance Taylor  <iant@google.com>
9607
9608         * common.opt: Add fstrict-overflow.
9609         * opts.c (decode_options): Set flag_strict_overflow if -O2.
9610         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9611         (TYPE_OVERFLOW_UNDEFINED): Define.
9612         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
9613         Replace all uses.
9614         * tree.h (TYPE_TRAP_SIGNED): Don't define.
9615         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9616         (fold_negate_expr): Likewise.
9617         (make_range): Likewise.
9618         (extract_muldiv_1): Likewise.
9619         (maybe_canonicalize_comparison): Likewise.
9620         (fold_comparison): Likewise.
9621         (fold_binary): Likewise.
9622         (tree_expr_nonnegative_p): Likewise.
9623         (tree_expr_nonzero_p): Likewise.
9624         * tree-vrp.c (compare_values): Likewise.
9625         (extract_range_from_binary_expr): Likewise.
9626         (extract_range_from_unary_expr): Likewise.
9627         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9628         Likewise.
9629         (nowrap_type_p): Likewise.
9630         * tree-scalar-evolution.c (simple_iv): Likewise.
9631         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9632         (build_range_check): Likewise.
9633         (extract_muldiv_1): Likewise.
9634         (fold_comparison): Likewise.
9635         * tree-vrp.c (vrp_int_const_binop): Likewise.
9636         (extract_range_from_unary_expr): Likewise.
9637         * convert.c (convert_to_integer): Likewise.
9638         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9639         (fold_comparison): Likewise.
9640         (fold_binary): Likewise.
9641         * optabs.c (optab_for_tree_code): Likewise.
9642         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
9643         * simplify-rtx.c (simplify_const_relational_operation): Check
9644         flag_strict_overflow and flag_trapv.
9645         (simplify_const_relational_operation): Likewise.
9646         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
9647         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
9648         -fstrict-overflow.
9649
9650 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9651
9652         * tree.c (tree_fold_gcd): Delete.
9653         * tree.h (tree_fold_gcd): Remove prototype.
9654         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
9655         test whether one constant integer is a multiple of another.  Instead
9656         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
9657         * fold-const.c (multiple_of_p):  We've determined both TOP and
9658         BOTTOM are integer constants so we can call int_const_binop directly
9659         instead of the more generic const_binop.
9660
9661 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9662
9663         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
9664         1*X check that the constant hasn't overflowed, to preserve the
9665         TREE_OVERFLOW bit.
9666         (round_up): Provide an efficient implementation when rouding-up an
9667         INTEGER_CST to a power-of-two.
9668
9669 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9670
9671         * doc/sourcebuild.texi: Add comma for clarity.
9672         * doc/extend.texi: Fix some typos.
9673         * doc/passes.texi: Likewise.
9674         * doc/cppinternals.texi: Likewise.
9675         * doc/c-tree.texi: Likewise.
9676         * doc/tree-ssa.texi: Likewise.
9677         * doc/install.texi: Likewise.
9678
9679 2007-01-27  Jan Hubicka  <jh@suse.cz>
9680
9681         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
9682         (pass_sra): Do not require alias information.
9683         * passes.c (init_optimization_passes): Add SRA
9684
9685 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
9686
9687         * tracer.c (rest_of_handle_tracer): We already cleaned
9688         up the CFG in tracer() so don't do it here again.
9689         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
9690         cleanup_cfg here, either.  And don't call renumber_insns.
9691
9692         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
9693         and BB_HEAD are in the insn stream here.  Instead make sure
9694         that BB_INSN is valid on all insns.  Also, do check here that
9695         there are no pending branch predictions...
9696         (rtl_verify_flow_info): ...instead of doing it here.  Checks
9697         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
9698         here.
9699
9700 2007-01-26  Roger Sayle  <roger@eyesopen.com>
9701
9702         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
9703         function to simplify/factorize operand order canonicalization.
9704         (ix86_fixup_binary_operands): Reorganize using the above function.
9705         (ix86_binary_operator_ok): Likewise.
9706
9707 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
9708
9709         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
9710         file scope from optimize_attrs.
9711         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
9712         up search.
9713         (optimize_attrs): Clear insn_code_values after freeing it.
9714
9715 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9716
9717         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
9718         a parts.base assignment.
9719
9720 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9721
9722         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
9723         (compute_subscript_distance, initialize_data_dependence_relation,
9724         finalize_ddr_dependent, analyze_ziv_subscript,
9725         analyze_siv_subscript_cst_affine,
9726         compute_overlap_steps_for_affine_univar,
9727         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
9728         analyze_siv_subscript, analyze_miv_subscript,
9729         analyze_overlapping_iterations, subscript_dependence_tester_1,
9730         compute_self_dependence, free_dependence_relation): Work
9731         with affine_fn instead of chrecs.
9732         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
9733         common_affine_function, affine_function_base,
9734         affine_function_constant_p, affine_fn_op, affine_fn_plus,
9735         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
9736         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
9737         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
9738         (all_chrecs_equal_p): Removed.
9739         * tree-data-ref.h (affine_fn, conflict_function): New types.
9740         (struct subscript): Change type of conflicting_iterations_in_a
9741         and conflicting_iterations_in_b.
9742
9743 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
9744
9745         PR other/30182
9746         * config/pa/pa.h (TARGET_HPUX_11): New.
9747         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
9748         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
9749
9750 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
9751         Richard Guenther  <rguenther@suse.de>
9752
9753         * tree-ssa-structalias.c (solve_graph): Handle case
9754         we merged the variable to another.
9755
9756 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9757
9758         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
9759         functions.
9760
9761         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
9762         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
9763
9764 2007-01-25  DJ Delorie  <dj@redhat.com>
9765
9766         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
9767         allow changes to modes which don't fit in those registers.
9768
9769         * reload1.c (choose_reload_regs): Check for invalid subregs before
9770         computing their locations, not after.
9771
9772 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
9773
9774         PR 25127
9775         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
9776         save Altivec registers in an eh_return function.
9777         (compute_vrsave_mask): Likewise.
9778         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
9779         for saving Altivec registers.
9780         (rs6000_emit_prologue): Don't allocate stack twice in
9781         eh_return function.  Correct expected value of altivec_save_offset
9782         when using save_world.  Describe save of R0 to stack when using
9783         save_world.  Describe stack pointer adjustment when using
9784         save_world.  Remove duplicated eh_return parameter register saving.
9785         Update sp_offset variable after save_world.
9786         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
9787         darwin-world.asm.
9788         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
9789         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
9790         implies Altivec.
9791
9792 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9793
9794         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
9795
9796 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9797
9798         PR other/30182
9799         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
9800         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
9801
9802 2007-01-25  Richard Guenther  <rguenther@suse.de>
9803
9804         * doc/invoke.texi (-Wcoverage-mismatch): Document.
9805         * common.opt (-Wcoverage-mismatch): New warning option.
9806         * coverage.c (get_coverage_counts): Ignore coverage mismatch
9807         if -Wcoverage-mismatch is given.
9808
9809 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
9810
9811         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
9812         (ipcp_driver): Change to static definition.
9813         Add dumping of the ifunctions.
9814         (constant_val_insert): Remove unused parameter. Support for SSA.
9815         (ipcp_propagate_const): Support for SSA.
9816         (ipcp_profile_bb_print): Print only analyzed nodes.
9817         (ipcp_replace_map_create): Remove support for Fortran constant
9818         for now.
9819         * ipa-prop.c (ipa_method_modify_stmt,
9820         ipa_callsite_compute_param): Support for SSA.
9821         * ipa-prop.h (ipcp_driver): Remove declaration.
9822         (IS_VALID_TREE_MAP_INDEX): Add define.
9823
9824 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
9825
9826         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
9827
9828 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9829
9830         PR middle-end/30447
9831         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
9832         constant argument to cabs and do it without checking for
9833         -funsafe-math-optimizations.
9834
9835 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
9836
9837         * c-common.h (RID_FIRST_CXX0X): New.
9838         (RID_LAST_CXX0X): New.
9839         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
9840         by -Wall.
9841         * c.opt (Wc++0x-compat): New.
9842         * doc/invoke.texi (-Wc++0x-compat): Document.
9843
9844 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9845
9846         * builtins.c (fold_builtin_carg): New.
9847         (fold_builtin_1): Use it.
9848
9849 2007-01-24  Jan Hubicka  <jh@suse.cz>
9850
9851         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
9852
9853         * ipa-inline.c (initial_insns, max_insns): Delete.
9854         (compute_max_insns): New function.
9855         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
9856         of insns as base for code growth.
9857         (cgraph_decide_inlining): Make initial_insns local; do not compute
9858         max_insns.
9859         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
9860         * doc/invoke.texi (inline-unit-growth): Update docs.
9861
9862 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
9863
9864         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
9865         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
9866         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
9867         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
9868         for CPUs that have PTA_CX16 set.
9869
9870         PR middle-end/27416
9871         * gimplify.c (omp_check_private): New function.
9872         (gimplify_scan_omp_clauses): Use it for
9873         firstprivate/lastprivate/reduction.
9874
9875         PR middle-end/30494
9876         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
9877         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
9878
9879         PR middle-end/30421
9880         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
9881         If lower_lastprivate_clauses emits some statements, append them
9882         to dlist rather than body_p and to body_p append an initializer.
9883         (lower_omp_for): Adjust caller.
9884
9885 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
9886
9887         * target.h (globalize_decl_name): New.
9888         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9889         * output.h (default_globalize_decl_name): New.
9890         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
9891         globalize_label.
9892         (globalize_decl): Ditto.
9893         (default_globalize_decl_name): New.
9894         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
9895         (ia64_handle_version_id_attribute): New.
9896         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9897         (ia64_asm_output_external): Use globalize_decl_name instead
9898         of globalize_label.
9899         * doc/extend.texi (version_id): New pragma.
9900         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
9901
9902 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9903
9904         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
9905         _uleb128_t and _Unwind_SWord with _sleb128_t.
9906         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
9907         uw_frame_state_for, uw_update_context_1): Likewise.
9908         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
9909         * unwind-pe.h (read_uleb128, read_sleb128,
9910         read_encoded_value_with_base): Likewise.
9911         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
9912
9913 2007-01-24  Richard Guenther  <rguenther@suse.de>
9914
9915         * builtins.c (expand_builtin_cexpi): Get the fndecl
9916         for cexp in the correct way.
9917
9918 2007-01-24  Jan Hubicka  <jh@suse.cz>
9919
9920         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
9921
9922 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9923
9924         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
9925         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
9926         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
9927         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
9928         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
9929         __SIZEOF_PTRDIFF_T__.
9930         * doc/cpp.texi: Documentation for the new builtin macros added.
9931
9932 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
9933
9934         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
9935         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
9936         instead of operands[2] to avoid access past the end of array.
9937
9938 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
9939
9940         * reload1.c (emit_reload_insns): Pass the reload register
9941         for a non-spill output reload through forget_old_reloads_1.
9942
9943 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
9944
9945         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9946         _SOFT_DOUBLE if doubles use software floating-point.
9947         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
9948         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9949         * config/rs6000/darwin-ldouble.c: Also compile functions for
9950         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
9951         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9952         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
9953         commented-out long double override.
9954         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
9955         * config/rs6000/eabispe.h: Likewise.
9956         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
9957         long double for non-SPE.
9958         (rs6000_handle_option): Likewise.
9959         (invalid_e500_subreg): Disallow more subregs involding DImode,
9960         DFmode, TImode or TFmode.
9961         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
9962         E500 double.
9963         (legitimate_lo_sum_address_p): Also check for TFmode for E500
9964         double.
9965         (rs6000_legitimize_address): Also handle TFmode for E500 double.
9966         (rs6000_legitimize_reload_address): Also handle TFmode for E500
9967         double.
9968         (rs6000_legitimate_address): Also check for TFmode for E500
9969         double.
9970         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
9971         (spe_build_register_parallel): Handle TFmode and TCmode.
9972         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
9973         double.
9974         (function_arg): Handle TFmode and TCmode for E500 double.
9975         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
9976         in general.
9977         (print_operand): Handle TFmode and TImode for %y.
9978         (rs6000_generate_compare): Handle TFmode comparisons for E500
9979         double.
9980         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
9981         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
9982         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
9983         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
9984         TFmode for E500 double.
9985         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
9986         (floatsidf2): Enable for E500 double.
9987         (movtf_softfloat): Use rs6000_nonimmediate_operand.
9988         (extenddftf2): Change to extenddftf2_fprs.
9989         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
9990         depending on TARGET_E500_DOUBLE.
9991         (extendsftf2): Enable for E500 double.
9992         (trunctfdf2): Enable for E500 double.
9993         (trunctfsf2): Change to trunctfsf2_fprs.
9994         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
9995         depending on TARGET_E500_DOUBLE.
9996         (floatsitf2): Enable for E500 double.
9997         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
9998         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
9999         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
10000         (negtf2): Change to negtf2_internal.
10001         (negtf2): New expander.
10002         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
10003         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
10004         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
10005         (movdi_internal32): Use rs6000_nonimmediate_operand.
10006         (unnamed splitter): Likewise.
10007         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
10008         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
10009         (SPE64TF, DITI): New mode macros.
10010         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
10011         modes.
10012         (frob_tf_ti): New.
10013         (frob_<mode>_di_2): New.
10014         (frob_tf_di_8_2): New.
10015         (frob_di_df): Change to frob_di_<mode>; allow more modes.
10016         (frob_ti_tf): New.
10017         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
10018         more modes.
10019         (frob_ti_<mode>_8_2): New.
10020         (frob_ti_tf_2): New.
10021         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
10022         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
10023         TFmode.
10024         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
10025         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
10026         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
10027         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
10028         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
10029         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
10030         tsttflt_gp): New.
10031
10032 2007-01-23  Ian Lance Taylor  <iant@google.com>
10033
10034         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
10035         insn-*.o first.
10036         (OBJS-archive): Reformat, alphabetize.
10037         (OBJS): Change out_object_file to OBJS-md.
10038
10039 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
10040
10041         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
10042         JUMP_P and CALL_P predicates where applicable.
10043         * config/i386/i386.c: Ditto.
10044         * config/i386/i386.md: Ditto.
10045         * config/i386/mmx.md: Ditto.
10046         * config/i386/predicates.md: Ditto.
10047
10048 2007-01-22  Andreas Schwab  <schwab@suse.de>
10049
10050         * config/m68k/m68k.h: Fix comment.
10051
10052 2007-01-22  Jan Hubicka  <jh@suse.cz>
10053
10054         * passes.c (init_optimization_passes): Do not rerun
10055         pass_early_warn_uninitialized.
10056
10057 2007-01-22  Richard Guenther  <rguenther@suse.de>
10058
10059         PR tree-optimization/30038
10060         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
10061         function.
10062         (execute_cse_sincos_1): Likewise.
10063         (execute_cse_sincos): Likewise.
10064         (gate_cse_sincos): Likewise.
10065         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
10066         the cexpi() canonicalization of sincos().
10067         * tree-pass.h (pass_cse_sincos): Declare.
10068         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
10069
10070 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10071
10072         PR rtl-optimization/29329
10073         * combine.c (replaced_rhs_insn): Rename to i2mod.
10074         (replaced_rhs_value): Rename to i2mod_new_rhs.
10075         (i2mod_old_rhs): New global variable.
10076         (combine_instructions): Adjust for above change.  Save a copy of
10077         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
10078         note are substituted in the second instruction.
10079         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
10080         ditch the note if it pertains to the second eliminated register
10081         and this register is mentioned in i2mod_old_rhs.
10082
10083         Revert:
10084         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
10085
10086         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
10087         the insn to which the note was originally attached.
10088
10089 2007-01-21  Jan Hubicka  <jh@suse.cz>
10090
10091         * ipa-inline.c (inlining_mode): Comment, move up.
10092         (cgraph_decide_inlining_incrementally): Do not perform inlining
10093         itself; fix handling of flattening of self recursive functions.
10094         (cgraph_find_cycles): Remove.
10095         (cgraph_flatten_node): Remove.
10096         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
10097         (try_inline): New function.
10098         (cgraph_early_inlining): Update call of
10099         cgraph_decide_inlining_incrementally.  Apply inlining here.
10100         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
10101
10102 2007-01-21  Dirk Mueller  <dmueller@suse.de>
10103
10104         PR bootstrap/30511
10105         * tree-vrp.c (check_array_bounds): do not warn
10106         about ADDR_EXPR's of ARRAY_REF's which are immediately
10107         used in binary expressions.
10108
10109 2007-01-21  Ira Rosen  <irar@il.ibm.com>
10110
10111         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
10112         read_write_dep and macros for its access.
10113         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
10114         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
10115         argument, call vect_check_interleaving for every independent pair of
10116         data-refs. Mark loads that access the same memory location as a store
10117         in the loop.
10118         (vect_check_dependences): Remove.
10119         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
10120         call, fix the call to vect_analyze_data_ref_dependence.
10121         (vect_analyze_data_ref_access): For statements that access the same
10122         data-ref, check that they are not stores; for loads, check that there
10123         is no store that access the same location.
10124
10125 2007-01-20  Roger Sayle  <roger@eyesopen.com>
10126             Joseph Myers  <joseph@codesourcery.com>
10127
10128         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
10129         (-fdump-rtl-stack): Likewise.
10130         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
10131         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
10132         (-mpt-fixed): Use @minus{} for minus sign.
10133         (Using Precompiled Headers): Fix under/overfull hbox.
10134
10135 2007-01-20  Jan Hubicka  <jh@suse.cz>
10136
10137         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
10138         place within annotation.
10139
10140 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10141
10142         * pa.c (output_move_double): Change array size of xoperands to 4.
10143
10144 2007-01-20  Jan Hubicka  <jh@suse.cz>
10145
10146         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
10147         as temporary.
10148
10149 2007-01-19  Ian Lance Taylor  <iant@google.com>
10150
10151         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
10152         constant to unsigned HOST_WIDE_INT before negating.
10153
10154 2007-01-19  Ian Lance Taylor  <iant@google.com>
10155
10156         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
10157         to unsigned.
10158         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
10159         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10160         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
10161         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
10162         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10163         (realloc_vdef, realloc_vuse): Change second parameter to
10164         unsigned.
10165         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
10166         fields to unsigned.
10167         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
10168         unsigned. Change x and lim locals to unsigned.
10169         (realloc_vdef, realloc_vuse): Change num_elem parameter to
10170         unsigned.
10171         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
10172         (copy_virtual_operands): Change i and n locals to unsigned.
10173
10174 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10175
10176         PR middle-end/29335
10177         * builtins.c (fold_builtin_1): Handle builtin fdim.
10178
10179 2007-01-20  Jan Hubicka  <jh@suse.cz>
10180
10181         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
10182         * tree-ssa-structalias.c (compute_points_to_sets): Do call
10183         init_alias_heapvars.
10184         (init_alias_heapvars): Initialize only when not already initialized.
10185         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
10186
10187 2007-01-19  Roger Sayle  <roger@eyesopen.com>
10188
10189         * common.opt (fsigned-zeros): New command line option.
10190         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
10191         of flag_unsafe_math_optimizations.
10192         * opts.c (set_fast_math_flags): The -ffast-math command line option
10193         implies -fno-signed-zeros.
10194         (fast_math_flags_set_p): Likewise.
10195
10196         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
10197         the documentation of -ffast-math appropriately.  Wrap long lines.
10198
10199 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
10200
10201         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
10202         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
10203
10204 2007-01-19  Tomas Bily  <tbily@suse.cz>
10205
10206         * cgraphunit.c (cgraph_finalize_function): Updating of pid
10207         * tree-profile.c:
10208         (tree_init_ic_make_global_vars): New function
10209         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
10210         (tree_gen_ic_profiler): New function
10211         (tree_gen_ic_func_profiler): New function
10212         (tree_profiling): Added calling of tree_gen_ic_func_profiler
10213         (tree_profile_hooks): Added hook for indirec/virtual calls
10214         * value-prof.c (tree_find_values_to_profile): New case for
10215         indirect calls
10216         (tree_values_to_profile): Call for determining indirect/virtual
10217         counters
10218         (tree_indirect_call_to_profile): New function
10219         (tree_ic_transform): New function
10220         (tree_ic): New function
10221         (find_func_by_pid): New function
10222         (init_pid_map): New function
10223         (tree_value_profile_transformations): Added check for
10224         indirect/virtual call transformation
10225         * value-prof.h (enum hist_type): New counter type for
10226         indirect/virtual calls
10227         (profile_hooks): Added new hook for profiling indirect/virtual
10228         calls
10229         * profile.c (instrument_values): New case for indirect/virtual
10230         call added
10231         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
10232         (GCOV_COUNTER_V_INDIR): New counter type
10233         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
10234         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
10235         call added
10236         * cgraph.c: Definition of cgraph_max_pid
10237         (cgraph_create_node): Default init of pid attribute
10238         * cgraph.h: Declaration of cgraph_max_pid
10239         (struct cgraph_node): Added pid attribute
10240         * libgcov.c (__gcov_indirect_call_profiler): New function
10241         (__gcov_one_value_profiler_body): New function
10242         (__gcov_one_value_profiler): Body was moved to
10243         __gcov_one_value_profiler_body and calls it
10244
10245 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
10246
10247         * doc/gty.texi (Options): Document the mark_hook option to GTY.
10248         * gengtype.c (write_types_data, write_func_for_structure,
10249         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
10250         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
10251         (walk_type, write_func_for_structure): Generate the mark_hook if
10252         needed.
10253
10254 2007-01-19  Jan Hubicka  <jh@suse.cz>
10255
10256         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
10257         'early' argument take inlining mode argument specifying whether to
10258         inline for size/speeed or all functions; add support for flattening;
10259         improve dumpting.
10260         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
10261
10262 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10263
10264         PR c++/17947
10265         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
10266         the name of the declared identifier.
10267
10268 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10269
10270         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
10271         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
10272         duplicate evaluation.
10273
10274 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10275
10276         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
10277         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
10278         to XFMode, use acosxf2 and truncate result to requested mode.
10279         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10280         (asin<mode>2): Similarly, with asin expanders.
10281         (*fscalexf4_i387): Rename from *fscalexf4.
10282         (expNcorexf3): New expander.
10283         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
10284         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
10285         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
10286         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
10287         patterns for SSE math.
10288         (exp10<mode>2): Similarly, with exp10 expanders.
10289         (exp2<mode>2): Similarly, with exp2 expanders.
10290         (expm1<mode>2): Similarly, with expm1 expanders.
10291         (ldexp<mode>3): Similarly, with ldexp expanders.
10292         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
10293         Use gen_truncxf<mode>2_i387_noop to truncate result.
10294
10295 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10296
10297         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
10298         for ColdFire targets.
10299
10300 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
10301             Richard Sandiford  <richard@codesourcery.com>
10302
10303         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
10304         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
10305         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
10306         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
10307         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10308         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10309
10310 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10311
10312         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
10313         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
10314         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
10315         (*adddi_dilshr32_cf): New pattern.
10316         (adddi3, subdi3): Remove first alternatives.
10317
10318 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10319
10320         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10321         implemented using move.l, do not use its cc result for floating-point
10322         comparisons.
10323
10324 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10325
10326         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10327         from accepting 's' constraints if flag_pic.
10328
10329 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10330
10331         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10332         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10333         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10334         condition from TARGET_68881 to TARGET_HARD_FLOAT.
10335
10336 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
10337
10338         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10339         ColdFire alternatives.
10340         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10341         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
10342         architectures that support ff1 instruction.
10343
10344 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10345             Julian Brown  <julian@codesourcery.com>
10346
10347         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10348         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10349         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
10350         Add commentary.
10351
10352 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10353
10354         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10355         and return a bool.
10356         (output_move_const_into_data_reg, output_move_simode_const): Delete.
10357         * config/m68k/m68k.c (const_method, const_int_cost): Take a
10358         HOST_WIDE_INT instead of an rtx.
10359         (m68k_rtx_costs): Update call accordingly.
10360         (output_move_const_into_data_reg): Likewise.  Fix formatting.
10361         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
10362         Return a bool.
10363         (output_move_simode_const): Update calls after above changes.
10364         Rework to use automatic variables and predicates like MEM_P.
10365         * config/m68k/m68k.md (pushexthisi_const): Update call to
10366         valid_mov3q_const.
10367
10368 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10369
10370         * tree-ssa-alias.c (perform_var_substitution): Fix typo
10371         in dump_flags test.
10372
10373 2007-01-19  Richard Guenther  <rguenther@suse.de>
10374
10375         * builtins.c (expand_builtin_cexpi): Fall back to expanding
10376         via cexp in case sincos is not available.
10377
10378 2007-01-19  Richard Guenther  <rguenther@suse.de>
10379
10380         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
10381         * defaults.h (TARGET_HAS_SINCOS): Default to off.
10382         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
10383         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
10384         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
10385         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
10386         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
10387         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
10388
10389 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10390
10391         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
10392         New insn patterns.
10393         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10394         (atan2xf3): Directly generate RTL pattern.
10395         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10396         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10397         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10398         disable patterns for SSE math.
10399         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10400         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10401         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10402         disable patterns for SSE math.
10403
10404 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
10405
10406         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
10407
10408 2007-01-18  Roger Sayle  <roger@eyesopen.com>
10409
10410         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
10411         VIEW_CONVERT_EXPR to the same type as it's operand.
10412
10413 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
10414
10415         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
10416         configured for long double 128.
10417
10418 2007-01-18  Mike Stump  <mrs@apple.com>
10419
10420         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
10421         error.
10422
10423 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
10424
10425         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
10426         type correct.
10427
10428 2007-01-18  Jan Hubicka  <jh@suse.cz>
10429
10430         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
10431         greater than NUM_VOP_FREE_BUCKETS.
10432
10433 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
10434
10435         * tree-ssa-structalias.c: Update comments.
10436         (ptabitmap_obstack): Removed.
10437         (pta_obstack): New.
10438         (oldpta_obstack): Ditto.
10439         (stats): Add a few members.
10440         (struct variable_info): Remove node, complex, address_taken, and
10441         indirect_target members. Add oldsolution member.
10442         (new_var_info): Do not initialize removed members.
10443         (constraint_expr_type): Remove INCLUDES.
10444         (constraint_graph): Add size, implicit_preds, rep,
10445         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
10446         (FIRST_REF_NODE): New macro.
10447         (LAST_REF_NODE): Ditto.
10448         (FIRST_ADDR_NODE): Ditto.
10449         (find): New function.
10450         (unite): Ditto.
10451         (dump_constraint): Do not handle INCLUDES.
10452         (insert_into_complex): Do not insert duplicate constraints.
10453         (condense_varmap_nodes): Renamed and rewritten into ...
10454         (merge_node_constraints): This. Also fix bug in handling of
10455         offseted copy constraints.
10456         (clear_edges_for_node): No longer need to deal with preds at all,
10457         or removing associated preds/succs.
10458         (merge_graph_nodes): Deal with indirect_cycles.
10459         Don't deal with predecessors.
10460         (add_implicit_graph_edge): New function.
10461         (add_pred_graph_edge): Ditto.
10462         (add_graph_edge): Don't deal with predecessors.
10463         (build_constraint_graph): Removed.
10464         (build_pred_graph): New function.
10465         (build_succ_graph): Ditto.
10466         (struct scc_info): Removed in_component. Added roots, dfs, and
10467         node_mapping. Remove visited_index, unification_queue.
10468         (scc_visit): Deal with union-find we do now.
10469         Deal with cycles with REF nodes.
10470         (collapse_nodes): Renamed and rewritten to ...
10471         (unify_nodes): This.
10472         (process_unification_queue): Removed.
10473         (topo_visit): Cleanup
10474         (do_da_constraint): Use find.
10475         (do_sd_constraint): Ditto.
10476         (do_ds_constraint): Ditto.
10477         (do_complex_constraint): Ditto.
10478         (init_scc_info): Update for removed and added members.
10479         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
10480         (find_indirect_cycles): This.
10481         (equivalence_class): New variable.
10482         (label_visit): New function.
10483         (perform_variable_substitution): Rewritten.
10484         (free_var_substitution_info): New function.
10485         (find_equivalent_node): Ditto.
10486         (move_complex_constraints): Ditto.
10487         (eliminate_indirect_cycles): Ditto.
10488         (solve_graph): Only propagate changed bits.
10489         Use indirect cycle elimination.
10490         Use find.
10491         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
10492         (tree_id_eq): Renamed to ...
10493         (tree_vi_eq): This. Update for member change
10494         (insert_id_for_tree): Renamed and rewritten to ...
10495         (insert_vi_for_tree): This.
10496         (lookup_id_for_tree): Renamed and rewritten to ...
10497         (lookup_vi_for_tree): This.
10498         (get_id_for_tree): Renamed and rewritten to ...
10499         (get_vi_for_tree): Ditto.
10500         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
10501         (process_constraint): Don't handle INCLUDES.
10502         Remove special ADDRESSOF case.
10503         (find_func_aliases): Rewrite to use vi functions instead of id
10504         ones.
10505         (create_function_info_for): Ditto.
10506         (create_variable_info_for): Ditto.
10507         (intra_create_variable_infos): Ditto.
10508         (merge_smts_into): Ditto.
10509         (find_what_p_points_to): Ditto.
10510         (init_base_vars): Ditto.
10511         (init_alias_vars): Ditto.
10512         (remove_preds_and_fake_succs): New function.
10513         (dump_sa_points_to_info): Dump new stats.
10514         (dump_solution_for_var): Use find.
10515         (set_used_smts): Fix formatting.
10516         (compute_points_to_sets): Updated for new functions.
10517         (ipa_pta_execute): Ditto.
10518
10519 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10520             Richard Sandiford  <richard@codesourcery.com>
10521
10522         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
10523         parallels.
10524         * calls.c (expand_call): If the return value is a PARALLEL,
10525         extract its first member.
10526         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
10527         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10528         use FUNCTION_EXTRA_EPILOGUE.
10529         (m68k_function_value): Return a PARALLEL if the return value
10530         is of a pointer type.
10531         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
10532         (FUNCTION_EXTRA_EPILOGUE): Remove.
10533         * config/m68k/m68k.md (D0_REG): New constant.
10534
10535 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10536
10537         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10538         output a NOP for empty epilogues.
10539
10540 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10541
10542         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
10543         before function.  Extend register save check to include all
10544         registers, not just integer ones.
10545
10546 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10547
10548         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
10549         (m68k_use_return_insn): ...this.
10550         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
10551         * config/m68k/m68k.c (use_return_insn): Rename to...
10552         (m68k_use_return_insn): ...this.
10553         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
10554         of USE_RETURN_INSN.
10555
10556 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10557
10558         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
10559         nearest even, fix denormal rounding overflow.
10560
10561 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10562
10563         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10564         f%$smove and f%$move.
10565         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10566         (extendsfdf2_cf): Use fdmove instead of f%&move.
10567         (truncdfsf2_cf): Use fsmove instead of f%$smove.
10568         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10569
10570 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10571
10572         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10573         GPR<-GPR moves.
10574
10575 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10576
10577         * real.h (real_format): Add a canonical_nan_lsbs_set field.
10578         (coldfire_single_format): Declare.
10579         (coldfire_double_format): Likewise.
10580         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10581         of qnan_msb_set to determine the lower bits of a canonical
10582         NaN significand.
10583         (encode_ieee_double): Likewise.
10584         (encode_ieee_quad): Likewise.
10585         (ieee_single_format): Initialize canonical_nan_lsbs_set.
10586         (mips_single_format): Likewise.
10587         (ieee_double_format): Likewise.
10588         (mips_double_format): Likewise.
10589         (ieee_extended_motorola_format): Likewise.
10590         (ieee_extended_intel_96_format): Likewise.
10591         (ieee_extended_intel_128_format): Likewise.
10592         (ieee_extended_intel_96_round_53_format): Likewise.
10593         (ibm_extended_format): Likewise.
10594         (mips_extended_format): Likewise.
10595         (ieee_quad_format): Likewise.
10596         (mips_quad_format): Likewise.
10597         (vax_f_format): Likewise.
10598         (vax_d_format): Likewise.
10599         (vax_g_format): Likewise.
10600         (i370_single_format): Likewise.
10601         (i370_double_format): Likewise.
10602         (decimal_single_format): Likewise.
10603         (decimal_double_format): Likewise.
10604         (decimal_quad_format): Likewise.
10605         (c4x_single_format): Likewise.
10606         (c4x_extended_format): Likewise.
10607         (real_internal_format): Likewise.
10608         (coldfire_single_format): New real_format.
10609         (coldfire_double_format): Likewise.
10610         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10611         canonical_nan_lsbs_set.
10612         (pdp11_d_format): Likewise.
10613         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10614         if TARGET_COLDFIRE_CPU.
10615
10616 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10617
10618         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10619         (output_call, m68k_legitimize_call_address): Declare.
10620         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10621         parenthesees.  Add support for a 'W' constraint.
10622         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10623         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10624         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10625         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10626         variables.
10627         (override_options): Initialize them.  Do not set flag_no_function_cse
10628         for TARGET_ID_SHARED_LIBRARY.
10629         (m68k_output_pic_call): Delete.
10630         (m68k_legitimize_call_address): New function.
10631         (print_operand): Remove the %o prefix.  Handle the %p prefix.
10632         (output_call): New function.
10633         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
10634         target address from the GOT if symbolic jumps are not allowed.
10635         * config/m68k/m68k.md (call, general_operand): Do not set
10636         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
10637         Merge separate flag_pic and !flag_pic define_insns into...
10638         (*call, *call_value): ...these new patterns.  Match the address
10639         rather than the containing MEM and require it to be a call_operand.
10640         Use output_call to generate the asm template.
10641         * config/m68k/predicates.md (const_call_operand): New predicate.
10642         (call_operand): Likewise.
10643
10644 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10645
10646         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
10647         (STACK_GROWS_DOWNWARD): Define to 1.
10648         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
10649         comments, emphasizing that these values are only defaults.
10650         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
10651         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
10652
10653 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10654
10655         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
10656
10657 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10658             Richard Sandiford  <richard@codesourcery.com>
10659
10660         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
10661         (FP_REGNO_P): New macros.
10662         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
10663         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
10664         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
10665         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
10666
10667 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10668
10669         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10670         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
10671         to $tmake_file.
10672         * config/m68k/t-floatlib: New file, extracting common code from...
10673         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
10674         * config/m68k/t-uclinux: Here.
10675         * config/m68k/fpgnulib.c: Do not compile extendeed precision
10676         routines on ColdFire targets.
10677
10678 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10679
10680         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10681         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
10682         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
10683         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
10684         explicitly set MOTOROLA to 1.
10685         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
10686
10687 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10688             Nathan Sidwell  <nathan@codesourcery.com>
10689
10690         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
10691         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
10692         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
10693         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
10694         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
10695         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
10696         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
10697         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
10698         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
10699         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10700         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
10701         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
10702         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
10703         (DBX_REGISTER_NUMBER): Delete.
10704         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
10705         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10706         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
10707
10708 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10709
10710         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
10711         * config/flat.h: New file.
10712         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
10713         OBJECT_FORMAT_FLAT.
10714         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
10715         indirect references for -msep-data or -mid-shared-library.
10716         Do not use PC-relative code addresses either.
10717         * config/m68k/m68k.c (override_options): Restrict -fPIC error
10718         to -mpcrel.
10719         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
10720         for shared libraries and crt1.o for executables.  Use crti.o and
10721         crtbegin.o.
10722         (ENDFILE_SPEC): Use crtend.o and crtn.o.
10723         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
10724         Do not add -elf2flt or -shared-lib-id options here.
10725         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
10726         Pass -shared-lib-id if -mid-shared-library, taking the library
10727         identifier from -mshared-library-id if given, otherwise
10728         defaulting to 0.
10729         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
10730         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
10731         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
10732         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
10733         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
10734         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
10735         and crtend.o.
10736         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
10737         jump sequence for ISA A and ISA A+.
10738         (PICJUMP): Likewise.
10739
10740 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10741
10742         * config.gcc (m68k-*-uclinux*): Base the port on the common
10743         and m68k GNU/Linux files rather than on the generic ELF ones.
10744         * config/m68k/uclinux.h (TARGET_VERSION): Override.
10745         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10746
10747 2007-01-18  Julian Brown  <julian@codesourcery.com>
10748             Richard Sandiford  <richard@codesourcery.com>
10749
10750         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
10751         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10752         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
10753         before redefining.
10754         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
10755         80 unconditionally.
10756         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10757
10758 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10759
10760         * doc/install.texi: Document m68k-uclinuxoldabi.
10761         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
10762         * config/m68k/uclinux-oldabi.h: New file, copied from
10763         config/m68k/uclinux.h.
10764
10765 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
10766
10767         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
10768         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
10769         (m32r_compute_frame_size): Use unsigned for regno.
10770         (m32r_reload_lr): Use gen_frame_mem.
10771         (pop): New.
10772         (m32r_output_function_epilogue): Don't output the function epilogue
10773         textually here.
10774         (m32r_expand_epilogue): New.
10775         (direct_return): Return false if the function has the interrupt
10776         attribute.
10777         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
10778         * config/m32r/m32r.md (epilogue): New expander.
10779         (return_lr, return_rte): New insns.
10780         (return): Make it expander.
10781         (return_normal): New expander.
10782
10783 2007-01-18  Josh Conner  <jconner@apple.com>
10784
10785         PR target/30485
10786         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
10787         support for UNLE, UNLT, UNGE, and UNGT.
10788
10789 2007-01-18  Jan Hubicka  <jh@suse.cz>
10790
10791         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
10792         * tree-tailcall (add_virtual_phis): Likewise.
10793         (optimize_tail_call): Return TODOs.
10794         (execute_tail_calls): Return TODOs.
10795         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
10796         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
10797         changed.
10798         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
10799         Cleanup cfg using TODO.
10800         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
10801         * passes.c (execute_function_todo): When cleanup did something, remove
10802         unused locals.
10803         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
10804         (make_edges): Don't cleanup_cfg.
10805
10806 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
10807
10808         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
10809         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
10810         operate on the top of stack.
10811         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
10812         register handling of instructions that output to the second
10813         stack slot.
10814         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
10815         (move_for_stack_reg): Special-case check for dead destination
10816         stack slot for constant load of 1.0 inside UNSPEC_TAN.
10817
10818         * config/i386/i386.md (UNSPEC_TAN): New constant.
10819         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
10820         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
10821         to correctly model move of constant 1.0 to top stack slot.
10822         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
10823         (unnamed peephole2 pattern): Remove corresponding peephole2
10824         pattern that optimizes tan insn and loading of constant 1.0.
10825         (tanxf2): Use fptanxf4_i387.
10826         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
10827         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
10828         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10829         disable patterns for SSE math.
10830         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
10831         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
10832
10833 2007-01-18  Dirk Mueller  <dmueller@suse.de>
10834             Richard Guenther <rguenther@suse.de>
10835
10836         PR diagnostic/8268
10837         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
10838         * common.opt (Warray-bounds): Add new warning option.
10839         * c-opts.c (c_common_handle_option): Define -Warray-bounds
10840         if -Wall is given.
10841         * Makefile.in: make tree-vrp.o depend on toplev.h
10842         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
10843         is enabled.
10844         (check_array_refs, check_array_bounds, check_array_ref): New.
10845
10846 2007-01-18  Jan Hubicka  <jh@suse.cz>
10847
10848         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
10849         (execute_ssa_ccp): Return flags conditionally.
10850         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
10851         changed.
10852         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
10853
10854 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
10855
10856         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
10857         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
10858
10859         * Makefile.c (GTFILES): Add cfglayout.h.
10860         * gengtype.c (open_base_files): Likewise.
10861         * cfglayout.c (cfg_layout_function_footer,
10862         cfg_layout_function_header) Reindent to make gengtype happy.
10863         * cfglayout.h (cfg_layout_function_footer,
10864         cfg_layout_function_header): Add GTY(()) marker.
10865
10866         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
10867
10868 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10869
10870         * genautomata.c (write_automata): Include xstrerror output in the
10871         error message if writing the DFA description file fails.
10872
10873 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
10874
10875         * config/mips/mips-protos.h (mips_output_external): Make it
10876         return void.
10877         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
10878         * config/mips/mips.c (irix_output_external_libcall): Likewise.
10879         (extern_list): Likewise.
10880         (extern_head): Likewise.
10881         (TARGET_ASM_FILE_END): Likewise.
10882         (mips_file_end): Likewise.
10883         (mips_output_external): Rewritten.
10884
10885 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10886
10887         * genpreds.c (write_insn_preds_c): Only write out the function
10888         body for regclass_for_constraint if we have register constraints.
10889
10890 2007-01-17  Tom Tromey  <tromey@redhat.com>
10891
10892         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
10893         * doc/install.texi (Testing): Use sourceware.org.
10894         (Binaries): Likewise.
10895         (Specific): Likewise.
10896         * doc/contrib.texi (Contributors): Use sourceware.org.
10897
10898 2007-01-17  Anatoly Sokolov <aesok@post.ru>
10899
10900         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
10901         (AVR_ENHANCED): Rename to ...
10902         (AVR_HAVE_MUL): ... new.
10903         (avr_enhanced_p): Rename to ...
10904         (avr_have_mul_p): ... new.
10905         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
10906         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
10907         * config/avr/avr.c (avr_enhanced_p): Rename to ...
10908         (avr_have_mul_p): ... new.
10909         (base_arch_s): Rename 'enhanced' to 'have_mul'.
10910         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
10911         'avr_enhanced_p' and 'enhanced'.
10912         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
10913         AVR_HAVE_MUL instead of AVR_ENHANCED.
10914         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10915         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
10916         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
10917         instead of AVR_ENHANCED.
10918         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10919         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
10920         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
10921
10922 2007-01-17  Ian Lance Taylor  <iant@google.com>
10923
10924         * vec.h (VEC_reserve_exact): Define.
10925         (vec_gc_p_reserve_exact): Declare.
10926         (vec_gc_o_reserve_exact): Declare.
10927         (vec_heap_p_reserve_exact): Declare.
10928         (vec_heap_o_reserve_exact): Declare.
10929         (VEC_OP (T,A,reserve_exact)): New static inline function, three
10930         versions.
10931         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
10932         negative parameter.
10933         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
10934         (VEC_OP (T,A,copy)) [all versions]: Likewise.
10935         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
10936         * vec.c (calculate_allocation): Add exact parameter.  Change all
10937         callers.
10938         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
10939         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
10940         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
10941         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
10942         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
10943         (vec_heap_p_reserve_exact): New function.
10944         (vec_heap_o_reserve_exact): New function.
10945
10946 2007-01-17  Jan Hubicka  <jh@suse.cz>
10947
10948         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
10949
10950 2007-01-17  Eric Christopher  <echristo@apple.com>
10951
10952         * config.gcc: Support core2 processor.
10953
10954 2007-01-16  Jan Hubicka  <jh@suse.cz>
10955
10956         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
10957         the names, just unlink the chain so we don't crash on dangling pointers
10958         to dead SSA names.
10959
10960 2007-01-16  Jan Hubicka  <jh@suse.cz>
10961
10962         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
10963         * tree-pass.h: Reorder to make IPA passes appear toegher.
10964         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
10965         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
10966         parameters, do not call early inliner.
10967         * ipa-inline.c: Update comments.  Include tree-flow.h
10968         (cgraph_decide_inlining): Do not compute inlining parameters.
10969         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
10970         be called with function context set up.
10971         (pass_ipa_inline): Remove unreachable functions before pass.
10972         (cgraph_early_inlining): Simplify assuming to be called from the
10973         PM as local pass.
10974         (pass_early_inline): New pass.
10975         (cgraph_gate_ipa_early_inlining): New gate.
10976         (pass_ipa_early_inline): Turn into simple wrapper.
10977         (compute_inline_parameters): New function.
10978         (gate_inline_passes): New gate.
10979         (pass_inline_parameters): New pass.
10980         (apply_inline): Move here from tree-optimize.c
10981         (pass_apply_inline): New pass.
10982         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
10983         transforming.
10984         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
10985         doing them by hand.
10986         (tree_function_versioning): Do not allocate dummy struct function.
10987         * tree-inline.h (optimize_inline_calls): Update prototype.
10988         * tree-optimize.c (execute_fixup_cfg): Export.
10989         (pass_fixup_cfg): Remove
10990         (tree_rest_of_compilation): Do not apply inlines.
10991         * tree-flow.h (execute_fixup_cfg): Declare.
10992         * Makefile.in (gt-passes.c): New.
10993         * passes.c: Include gt-passes.h
10994         (init_optimization_passes): New passes.
10995         (nnodes, order): New static vars.
10996         (do_per_function_toporder): New function.
10997         (execute_one_pass): Dump current pass here.
10998         (execute_ipa_pass_list): Don't dump current pass here.
10999
11000 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
11001
11002         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
11003         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
11004
11005 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
11006
11007         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
11008         (strong_alias): Define.
11009         (__gcc_qmul): Provide non-FMA for soft-float.
11010         (__gcc_qdiv): Same.
11011         (__gcc_qneg): New.
11012         (__gcc_qeq): New.
11013         (__gcc_qle): New.
11014         (__gcc_qge): New.
11015         (__gcc_qunord): New.
11016         (__gcc_stoq): New.
11017         (__gcc_dtoq): New.
11018         (__gcc_qtos): New.
11019         (__gcc_qtod): New.
11020         (__gcc_qtoi): New.
11021         (__gcc_qtou): New.
11022         (__gcc_itoq): New.
11023         (__gcc_utoq): New.
11024         (fmsub): New.
11025         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
11026         soft-float functions.
11027         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
11028         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
11029         about long double soft float.
11030
11031 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
11032             Tehila Meyzels  <tehila@il.ibm.com>
11033
11034         * tree-vectorizer.h (is_pattern_stmt_p): New.
11035         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
11036         formatting (tabs instead of spaces). Cleanup and clarify setting
11037         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
11038         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
11039         (vectorizable_type_demotion): Check that types are integral.
11040         (vectorizable_type_promotion): Likewise.
11041         (vectorizable_store): Fix typo.  Eliminate new-line at end of
11042         comments.
11043
11044 2007-01-16  Jan Hubicka  <jh@suse.cz>
11045
11046         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
11047         cgraph edges too.
11048
11049 2007-01-15  Eric Christopher  <echristo@apple.com>
11050
11051         * ifcvt.c: Include vec.h, vecprim.h.
11052         (check_cond_move_block): New argument regs.
11053         Reorganize. Add registers used to regs.
11054         (cond_move_process_if_block): Use regs set above as
11055         loop bounds.
11056
11057 2007-01-15  Eric Christopher  <echristo@apple.com>
11058
11059         * config/darwin.h: Update copyright.
11060         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
11061         (LINK_COMMAND_SPEC): Add -u.
11062         (LINK_SPEC): Fix umbrella for above.
11063
11064 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
11065
11066         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
11067         glibc CVS.
11068
11069 2007-01-15  Tom Tromey  <tromey@redhat.com>
11070
11071         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
11072         * doc/install.texi (Testing): Don't mention jacks.
11073         (Configuration): Document --enable-java-maintainer-mode.  Move
11074         --with-java-home to libgcj-specific section.  Document
11075         --with-ecj-jar.
11076         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
11077
11078 2007-01-15  Jan Hubicka  <jh@suse.cz>
11079
11080         * tree-ssa-dce.c (DCE_TODOs): New.
11081         (propagate_necessity): Return if something changed.
11082         (eliminate_unnecessary_stmts): Likewise.
11083         (perform_tree_ssa_dce): Return TODO flags when needed.
11084         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
11085
11086 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
11087
11088         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
11089         (fyl2x_extend<mode>xf3_i387): New insn pattern.
11090         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
11091         patterns using X87MODEF12 mode macro.  Extend operand 1
11092         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
11093         (log10<mode>2): Ditto.
11094         (log2<mode>2): Ditto.
11095         (log1p<mode>2): Ditto.
11096         (logb<mode>2): Ditto.
11097         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
11098         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
11099         (*fxtractxf3_i387): Rename from *fxtractxf3.
11100         (fxtract_extend<mode>xf3_i387): New insn pattern.
11101         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
11102         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
11103         and gen_fyl2xxf3_i387().
11104
11105 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
11106
11107         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
11108         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
11109         get_loop_exit_edges.  Changed return type to bool.
11110         * cfgloop.h (fix_loop_placement): Declaration removed.
11111
11112 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
11113
11114         * param.h (MIN_VECT_LOOP_BOUND): New.
11115         * params.def (MIN_VECT_LOOP_BOUND): New.
11116         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
11117         argument - minimum threshold for number of iterations.
11118         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
11119         argument to declaration.
11120         * tree-vect-analyze.c (vect_analyze_operations): Check value of
11121         MIN_VECT_LOOP_BOUND.
11122         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
11123         slpeel_tree_peel_loop_to_edge with additional argument.
11124         (vect_do_peeling_for_alignment): Likewise.
11125         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
11126
11127 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
11128
11129         PR target/30413
11130         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
11131         operands of size 1.
11132
11133 2007-01-14  Jan Hubicka  <jh@suse.cz>
11134
11135         * tree-dfa.c (remove_referenced_var): New function.
11136         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
11137         prune referenced vars list too.
11138         * tree-flow.h (remove_referenced_var): Declare.
11139
11140 2007-01-14  Jan Hubicka  <jh@suse.cz>
11141
11142         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
11143         separately.
11144         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
11145         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
11146         * except.h (verify_eh_throw_table_statements): Kill prototype.
11147         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
11148         into call exrepssions.
11149         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
11150         eh trhow verifier.
11151         * tree-cfg.c: Include pointer-set.h.
11152         (verify_node_sharing): Work on pointer set.
11153         (verify_eh_throw_stmt_node): New.
11154         (verify_stmts): Use pointers sets, verify throw_stmt.
11155
11156 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
11157
11158         * ipa-reference.c (analyze_function): Consider also addresses taken
11159         in phi nodes.
11160
11161 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11162
11163         * c-typeck.c (null_pointer_constant_p): Replace use of
11164         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11165         (build_c_cast): Likewise.
11166
11167 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11168
11169         * tree.h (force_fit_type_double): Remove unused final argument.
11170         * c-common.c (constant_expression_warning): Replace use of
11171         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11172         (convert_and_check): Likewise.
11173         (shorten_compare): Update call to force_fit_type_double.
11174         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
11175         * convert.c (convert_to_pointer): Update call to
11176         force_fit_type_double.
11177         * fold-const.c (force_fit_type_double): Remove overflowed_const
11178         argument.
11179         (int_const_binop, fold_convert_const_int_from_int,
11180         fold_convert_const_int_from_real, fold_div_compare,
11181         fold_sign_changed_comparison, fold_unary, fold_negate_const,
11182         fold_abs_const, fold_not_const): Remove the final argument from
11183         calls to force_fit_type_double.
11184
11185 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11186
11187         * configure.ac: Set insn to "nop" for spu-*-* also.
11188         * configure: Regenerate.
11189
11190 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
11191
11192         * builtins.def : Add BUILT_IN_FREE.
11193
11194 2007-01-12  Jan Hubicka  <jh@suse.cz>
11195
11196         PR tree-optimization/30443
11197         * tree-inline.c (tree_function_versioning): Do not optimize when
11198         cloning for inlining.
11199
11200 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
11201
11202         * doc/loop.texi: Document recording of loop exits.
11203         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
11204         (update_single_exits_after_duplication,
11205         update_single_exit_for_duplicated_loop,
11206         update_single_exit_for_duplicated_loops): Removed.
11207         (duplicate_loop_to_header_edge): Do not call
11208         update_single_exits_after_duplication and
11209         update_single_exit_for_duplicated_loops.
11210         (loop_version): Do not update single_exit information.
11211         (fix_loop_structure): Use record_loop_exits instead of
11212         mark_single_exit_loops.
11213         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
11214         the lists of loop exits.
11215         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
11216         split_edge, merge_blocks): Update the lists of loop exits.
11217         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
11218         loop_optimizer_init.
11219         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
11220         of mark_single_exit_loops.
11221         (loop_optimizer_finalize): Call release_recorded_exits.
11222         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
11223         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
11224         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
11225         update single exit information.
11226         * lambda-code.c (perfect_nestify): Ditto.
11227         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
11228         (mark_single_exit_loops): Removed.
11229         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
11230         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
11231         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
11232         functions.
11233         (get_loop_exit_edges, single_exit): Use recorded exit lists.
11234         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
11235         (verify_loop_structure): Verify consistency of the exit lists.
11236         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
11237         (set_single_exit): Removed.
11238         * cfgloop.h (struct loop_exit): New function.
11239         (struct loop): single_exit_ field replaced by exits field.
11240         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
11241         (struct loops): Added exits hash.
11242         (mark_single_exit_loops, set_single_exit): Declaration removed.
11243         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
11244
11245 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11246
11247         * doc/invoke.texi: Avoid use of @headitem.
11248
11249 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11250
11251         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
11252
11253 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11254
11255         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
11256         list of targets.
11257
11258 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11259             Richard Sandiford  <richard@codesourcery.com>
11260
11261         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
11262         * config/m68k/m68k.opt: Resort options.
11263         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
11264
11265 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11266             Richard Sandiford  <richard@codesourcery.com>
11267
11268         * doc/invoke.texi: Document the macros that are defined by
11269         m68k's -mtune and -mhard-float options.
11270         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
11271         (m68k_cpp_cpu_family): Likewise.
11272         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
11273         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
11274         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
11275         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
11276         (m68k_cpp_cpu_family): Likewise.
11277
11278 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11279
11280         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
11281         macros besides mc68000 as tuning macros.  Use a switch statement
11282         to set them and mcpu32.
11283
11284 2007-01-12  Julian Brown  <julian@codesourcery.com>
11285
11286         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
11287         (TARGET_68040_ONLY): Rename to...
11288         (TARGET_68040): ...this.
11289         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
11290         * config/m68k/m68k.md: Likewise.
11291
11292 2007-01-12  Julian Brown  <julian@codesourcery.com>
11293             Nathan Sidwell  <nathan@codesourcery.com>
11294             Richard Sandiford  <richard@codesourcery.com>
11295
11296         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
11297         the -mcpu= argument associated with the --with-cpu setting.
11298         Define M68K_DEFAULT_TUNE to the default -mtune= option,
11299         if different from the one implied by the -mcpu setting.
11300         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
11301         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
11302         * doc/invoke.texi: Mention ColdFire in the introduction to the
11303         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
11304         -mno-div and -mhard-float options.  Make -m68881 a synonym for
11305         -mhard-float.  Document the previously-undocumented -m5206e,
11306         -m528x, -m5307 and -m5407 options.  Tweak the existing option
11307         documentation for consistency.
11308         * doc/install.texi: Mention new --with-cpu arguments.
11309         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
11310         default CPU if neither -mcpu nor -march are specified.
11311         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
11312         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
11313         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
11314         using m68k_tune to decide between families that implement the
11315         same ISA.  Use m68k_tune to set __mcfv4e__.
11316         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
11317         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11318         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11319         (FL_ISA_C, FL_ISA_MMU): New macros.
11320         (MASK_COLDFIRE): Delete.
11321         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11322         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11323         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11324         (TARGET_HARD_FLOAT): Do not define here.
11325         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11326         (TUNE_68000): New macro.
11327         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11328         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11329         (TUNE_CFV2): Redefine in terms of m68k_tune.
11330         (uarch_type, target_device, fpu_type): New enums.
11331         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11332         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11333         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11334         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11335         (FL_FOR_isa_c): New macros.
11336         (m68k_isa): New enum.
11337         (m68k_target_selection): New structure.
11338         (all_devices, all_isas, all_microarchs): New tables.
11339         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11340         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11341         (MASK_ALL_CPU_BITS): Delete.
11342         (m68k_find_selection): New function.
11343         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11344         Map the legacy target options to a combination of the new ones.
11345         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11346         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
11347         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11348         settings.
11349         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11350         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11351         properties.
11352         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11353         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11354         * config/m68k/m68k-devices.def: New file.
11355
11356 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11357             Nathan Sidwell  <nathan@codesourcery.com>
11358
11359         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
11360         (SUBTARGET_EXTRA_SPECS): New macros.
11361         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
11362         use %(asm_cpu_spec) instead.
11363         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
11364         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
11365         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
11366         (EXTRA_SPECS): Rename to...
11367         (SUBTARGET_EXTRA_SPECS): ...this.
11368
11369 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11370             Richard Sandiford  <richard@codesourcery.com>
11371             Julian Brown  <julian@codesourcery.com>
11372
11373         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11374         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
11375         to the configuration's default CPU.
11376         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
11377         Remove default masks.
11378         (m680[012]0-*-*): Set the default with_cpu to the first part of
11379         the target name.
11380         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
11381         (m68k*-*-linux): Extend the --with-cpu handling to...
11382         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
11383         and m68010.  Don't set target_cpu_default2.
11384         * doc/install.texi: Document --with-cpu for m68k.
11385         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
11386         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
11387         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
11388         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
11389         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
11390         (ASM_SPEC): Remove use of %(asm_cpu_default).
11391         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
11392         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
11393         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
11394         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11395         __HAVE_FPU__ if TARGET_HARD_FLOAT.
11396         (TARGET_DEFAULT): Delete.
11397         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11398         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11399         (CPP_CPU_SPEC): Delete.
11400         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11401         the appropriate string.
11402         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11403         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11404         (ASM_SPEC): Don't use %(asm_default_spec).
11405         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11406         TARGET_DEFAULT and add MASK_68881.
11407         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
11408
11409 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11410
11411         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
11412         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
11413         MASK_68010 alongside MASK_68020.
11414         * doc/invoke.texi: Document -m68010.
11415         * config/m68k/m68k.opt (m68010): New.
11416         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
11417         if TUNE_68010.
11418         (TUNE_68010): New macro.
11419         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
11420         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
11421         (M68K_CPU_m68332): Add MASK_68010.
11422         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
11423         fallback definition.
11424         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
11425         defines.
11426         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
11427         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
11428         to all entries that use MASK_68020.
11429         (output_move_simode_const, output_move_himode, output_move_qimode)
11430         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
11431         instead of TARGET_68020 to select clr behavior.  Remove comment
11432         about there being no TARGET_68010.
11433         * config/m68k/m68k.md: Likewise throughout.
11434
11435 2007-01-12  Julian Brown  <julian@codesourcery.com>
11436
11437         * config/m68k/m68k.h (TARGET_ISAB): New macro.
11438         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
11439         * config/m68k/m68k.md: Likewise.
11440
11441 2007-01-12  Julian Brown  <julian@codesourcery.com>
11442
11443         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
11444         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
11445
11446 2007-01-12  Julian Brown  <julian@codesourcery.com>
11447
11448         * config/m68k/m68k.h (TUNE_68040_60): New macro.
11449         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
11450         * config/m68k/m68k.md: Likewise.
11451
11452 2007-01-12  Julian Brown  <julian@codesourcery.com>
11453             Richard Sandiford  <richard@codesourcery.com>
11454
11455         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
11456         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
11457         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
11458         TARGET_CPU32.
11459         (TARGET_CPU32): Rename to...
11460         (TUNE_CPU32): ...this.
11461         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
11462         (TUNE_CFV2): New macros.
11463         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
11464         remove conditions that are implied by TARGET_68020.
11465         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
11466         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
11467         (m68k_output_function_epilogue): Likewise.
11468         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
11469         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
11470         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
11471         non-68000 timings.  Refactor multiplication and division costs.
11472         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
11473         TUNE_CPU32 instead of TARGET_CPU32.
11474         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
11475         and TUNE_68060 instead of TARGET_68060.
11476         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
11477         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
11478         TARGET_CPU32.
11479         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
11480         && !TARGET_COLDFIRE" to choose between moveq and clr.
11481         Likewise in the unnamed movsf pattern.
11482         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
11483         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
11484         ashiftrt pattern.
11485
11486 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11487
11488         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
11489         of tabbing before backslashes.
11490
11491 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11492
11493         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
11494         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
11495         (ASM_OUTPUT_INTERNAL_LABEL): Define.
11496
11497 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11498
11499         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
11500         find_interesting_uses_cond.
11501         (find_interesting_uses_cond): Use extract_cond_operands.
11502         (rewrite_use_compare): Use extract_cond_operands and
11503         force_gimple_operand_bsi.  Do not call update_stmt.
11504         (determine_use_iv_cost_condition): Use extract_cond_operands.
11505         Return cheaper of using original bound and changing the exit bound.
11506
11507 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11508
11509         PR tree-optimization/29516
11510         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
11511         most_expensive_mult_to_index, addr_to_parts,
11512         create_mem_ref, maybe_fold_tmr): Make the type of
11513         fields of TARGET_MEM_REF sizetype.
11514         (move_fixed_address_to_symbol, move_pointer_to_base):
11515         New functions.
11516         * tree.def (TARGET_MEM_REF): Add comment on types of
11517         the operands.
11518
11519 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
11520
11521         * c-common.c (vector_types_convertible_p): Treat opaque types as
11522         always convertible if they have the same size, but not otherwise.
11523
11524 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
11525
11526         * ifcvt.c (struct noce_if_info): Add comments to the fields.
11527         Remove the b_unconditional field.
11528         (noce_try_sign_mask): Do not look at b_unconditional.
11529         (noce_process_if_block): Do not use merge_if_blocks.  Update
11530         the CFG here.  Do not set b_unconditional.
11531         (cond_move_process_if_block): Likewise.
11532         (find_cond_trap): Likewise.
11533         (check_cond_move_block): Require simple jump insns at the end
11534         of the basic block.
11535
11536 2007-01-11  Jan Hubicka  <jh@suse.cz>
11537
11538         PR tree-optimization/1046
11539         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
11540         when alias info is not ready.
11541         (pass_tail_recursion): Do not require aliasing.
11542         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
11543         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
11544         * tree-ssa-copy.c (pass_copy_prop): Likewise.
11545         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11546         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
11547         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
11548         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
11549         before inlining.
11550         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
11551         When aliasing is not build, mark statement as volatile.
11552
11553 2007-01-11  Tom Tromey  <tromey@redhat.com>
11554
11555         PR preprocessor/15185, PR preprocessor/20989:
11556         * doc/cppopts.texi <-MT>: Update description of algorithm for
11557         computing default target.
11558         <-M, -MD>: Reword "basename" text.
11559
11560 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11561
11562         * builtins.c (expand_builtin_pow, expand_builtin_powi,
11563         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11564         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11565         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11566         fold_builtin_bswap, real_constp, fold_builtin_pow,
11567         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11568         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11569         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11570         * convert.c (convert_to_pointer): Likewise.
11571         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11572         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11573         const_binop, fold_convert_const_int_from_int,
11574         fold_convert_const_int_from_real,
11575         fold_convert_const_real_from_real, sign_bit_p,
11576         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11577         fold_sign_changed_comparison, fold_unary, fold_comparison,
11578         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11579         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11580         * print-tree.c (print_node_brief, print_node): Likewise.
11581         * stor-layout.c (place_field, layout_type): Likewise.
11582         * tree-chrec.c (keep_cast): Likewise.
11583         * tree.c (build_vector, build_real, build_real_from_int_cst,
11584         build_complex): Likewise.
11585
11586 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11587
11588         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
11589         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11590
11591 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
11592
11593         * configure.ac (strict1_warn): Rename to strict_warn.
11594         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11595         cc_set_by_configure, quoted_cc_set_by_configure,
11596         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11597         all_boot_languages, all_stagestuff): Remove.
11598         (target_list): Remove bootstrap targets.
11599         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11600         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11601         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11602         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11603         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11604         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11605         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11606         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11607         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11608         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11609         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11610         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11611         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11612         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11613         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11614         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11615         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11616         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11617         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11618         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11619         (mostlyclean): Adjust.
11620         (clean, distclean): Don't mention bootstrap stuff.
11621         * configure: Regenerate.
11622         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11623         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11624         treelang/config-lang.in (stagestuff): Remove.
11625         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11626         stageprofile, stagefeedback, stagestuff): Remove mention.
11627
11628 2007-01-11  Nick Clifton  <nickc@redhat.com>
11629
11630         * config/mcore/predicates.md (mcore_general_movesrc_operand):
11631         Accept CONSTs.
11632         (mcore_general_movdst_operand): Do not accept CONST_INTs.
11633         (mcore_arith_K_S_operand): Run the test for the S constraint not
11634         the test for the M constraint.
11635         (mcore_addsub_operand): Do not accept integer values that are
11636         larger than 32 bits.
11637         * config/mcore/mcore.md: Remove unused constraints from split.
11638         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11639         (addsi3): Likewise.
11640         (allocate_stack): Likewise.
11641         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
11642         operands to 32 bits.
11643         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
11644         INTVAL.
11645         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
11646         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
11647         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
11648         mcore_output_bclri, mcore_output_andn, output_inline_const,
11649         mcore_output_move, mcore_output_movedouble): Likewise.
11650         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
11651         (output_inline_const): Likewise.
11652         (output_inline_const): Fix format strings used in sprintf
11653         statements.
11654         * config/mcore/mcore-protos.h: Update prototypes for changed
11655         functions in mcore.c.
11656         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
11657         HOST_WIDE_INT and not int.
11658         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
11659         CONST_OK_FOR_N): Likewise.
11660         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
11661         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
11662         an INTVAL.
11663
11664 2007-01-10  Jan Hubicka  <jh@suse.cz>
11665
11666         * tree-vrp.c (remove_range_assertions): Release defs.
11667         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
11668         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
11669
11670 2007-01-10  Paul Brook  <paul@codesourcery.com>
11671
11672         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
11673         * config/arm/arm.md (mulsi3subsi): New insn.
11674
11675 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
11676
11677         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
11678         (tree_transform_and_unroll_loop): New.
11679         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
11680         Declare.
11681
11682 2007-01-10  Robert Kennedy <jimbob@google.com>
11683
11684         * fold-const.c (fold_comparison): Fold comparisons like (x *
11685         1000 < 0) to (x < 0).
11686
11687 2007-01-10  Ian Lance Taylor  <iant@google.com>
11688
11689         * tree-pretty-print.c (dump_generic_node): Print parentheses when
11690         operands have the same priority.
11691
11692 2007-01-10  Tom Tromey  <tromey@redhat.com>
11693
11694         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
11695         (fold_binary): Likewise.
11696         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
11697         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
11698         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
11699         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
11700         * langhooks.h (struct lang_hooks): Removed field
11701         'can_use_bit_fields_p'.
11702
11703 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
11704
11705         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
11706
11707 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
11708
11709         * function.c (get_last_funcdef_no): New function.
11710         * function.h (get_last_funcdef_no): Declare.
11711         * tree-inline.c (initialize_cfun): Add initialization.
11712         (tree_function_versioning): Cleanup.
11713
11714 2007-01-10  Jan Hubicka  <jh@suse.cz>
11715
11716         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
11717         PHIs.
11718
11719 2007-01-10  Sa Liu  <saliu@de.ibm.com>
11720             Ben Elliston  <bje@au.ibm.com>
11721
11722         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
11723         for SAVE_NONLOCAL and Pmode for any other save level.
11724         * spu-protos.h (spu_restore_stack_block): Declare.
11725         * spu.md (save_stack_block): Remove.
11726         (restore_stack_block): Call spu_restore_stack_block.
11727         * spu.c (spu_restore_stack_block): New function.
11728         (spu_expand_epilogue): Remove old comment.
11729
11730 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
11731
11732         PR tree-optimization/30322
11733         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
11734         (cand_value_at): Return the value as aff_tree.
11735         (may_eliminate_iv): Convert the bound from aff_tree to tree.
11736         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
11737         aff_combination_mult): New functions.
11738         (aff_combination_add): Use aff_combination_add_cst.
11739         (aff_combination_convert): Allow conversions to a wider type.
11740         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
11741         * tree-affine.h (aff_combination_mult): Declare.
11742
11743 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
11744
11745         * doc/tm.texi: Update documentation to reflect reality of exec
11746         and start file search behaviours. Update copyright year.
11747         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
11748         header file directories.
11749
11750 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
11751
11752         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
11753         (*cosxf2): Rename to cosxf2_i387.
11754         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
11755         using X87MODEF12 mode macro. Rename patterns to
11756         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
11757         for SSE math.
11758         (*cosdf2, *cossf2): Ditto.
11759         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
11760         to match extended input operands.
11761         (sincos<mode>3): New expander.
11762         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
11763         insn patterns and corresponding splitters.
11764
11765 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
11766
11767         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
11768         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
11769
11770 2007-01-09  Nicolas Pitre  <nico@cam.org>
11771
11772         PR target/30173
11773         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
11774
11775 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11776
11777         * target.h (struct gcc_target): New field library_rtti_comdat.
11778         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
11779         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
11780         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
11781         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
11782
11783 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11784
11785         * doc/invoke.texi (Optimize Options): Correct description of -O0.
11786
11787 2007-01-08  Richard Guenther  <rguenther@suse.de>
11788
11789         * tree.h (force_fit_type_double): Export.
11790         (force_fit_type): Remove.
11791         * fold-const.c (force_fit_type_double): New function.
11792         (force_fit_type): Remove.
11793         (int_const_binop): Use it.
11794         (fold_convert_const_int_from_int): Likewise.
11795         (fold_convert_const_int_from_real): Likewise.
11796         (fold_div_compare): Likewise.
11797         (fold_sign_changed_comparison): Likewise.
11798         (fold_unary): Likewise.
11799         (fold_negate_const): Likewise.
11800         (fold_abs_const): Likewise.
11801         (fold_not_const): Likewise.
11802         * c-common.c (shorten_compare): Use force_fit_type_double.
11803         * convert.c (convert_to_pointer): Likewise.
11804
11805 2007-01-08  Richard Guenther  <rguenther@suse.de>
11806
11807         * tree.h (build_int_cst_wide_type): Export.
11808         * tree.c (build_int_cst_wide_type): New function.
11809         (build_int_cst_wide): Fix comment.
11810         * builtins.c (fold_builtin_object_size): Use build_int_cst
11811         to build -1 or 0 of the correct type.  Use fit_double_type
11812         to check for overflow.
11813         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
11814         to build the mask.
11815         (decode_field_reference): Likewise.
11816         (all_ones_mask_p): Likewise.
11817         (native_interpret_int): Use build_int_cst_wide_type.
11818         (fold_binary): Use build_int_cst_type to build an all-ones
11819         value.
11820         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
11821
11822 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
11823
11824         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
11825
11826 2007-01-09  Ben Elliston  <bje@au.ibm.com>
11827
11828         * genautomata.c (STATS_OPTION): New option.
11829         (stats_flag): New flag.
11830         (gen_automata_option): Handle it.
11831         (initiate_automaton_gen): Ditto.
11832         (write_automata): Output statistics only if stats_flag is
11833         set. Likewise, output time statistics only if time_flag is set.
11834         * doc/md.texi (Processor pipeline description): Document new flag.
11835
11836 2007-01-08  Richard Guenther  <rguenther@suse.de>
11837
11838         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
11839         * tree.c (build_int_cst_type): Likewise.
11840         (size_in_bytes): Don't call force_fit_type on the result.
11841         (int_fits_type_p): Use fit_double_type.
11842         * fold-const.c (fit_double_type): New function.
11843         (force_fit_type): Use it.
11844         * tree.h (fit_double_type): Export.
11845
11846 2007-01-08  Jan Hubicka  <jh@suse.cz>
11847
11848         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
11849         * ipa.c (function_and_variable_visibility): Fix return type.
11850
11851 2007-01-08  Richard Guenther  <rguenther@suse.de>
11852
11853         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
11854         of offset to build the index.
11855         * tree-pretty-print.c (dump_generic_node): Don't build negated
11856         const just for printing.
11857         * c-pretty-print.c (pp_c_integer_constant): Likewise.
11858         * builtins.c (fold_builtin_int_roundingfn): Check if result
11859         fits the type by using force_fit_type and comparing the result.
11860         * predict.c (predict_loops): Use compare_tree_int for comparison.
11861         * tree.c (build_int_cst): Fall back to integer_type_node for
11862         NULL_TREE type.
11863         (build_int_cst_wide): Assert type is non-null.
11864
11865 2007-01-08  Roberto Costa  <roberto.costa@st.com>
11866
11867         * tree-vrp.c (extract_range_from_cond_expr): New.
11868         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
11869         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
11870         as expressions.
11871         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
11872         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
11873         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
11874         used as expressions.
11875         * tree-object-size.c (cond_expr_object_size): New.
11876         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
11877
11878 2007-01-08  Jan Hubicka  <jh@suse.cz>
11879
11880         * tree-ssa-forwprop.c (forward_propagate_into_cond,
11881         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
11882         statement.
11883
11884 2007-01-08  Richard Guenther  <rguenther@suse.de>
11885
11886         PR tree-optimization/23603
11887         * tree-vrp.c (set_value_range_to_truthvalue): New function.
11888         (extract_range_from_binary): Fall back to truthvalue instead of
11889         varying for TRUTH_*_EXPR.
11890         (extract_range_from_comparison): Fall back to truthvalue instead of
11891         varying.
11892         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
11893         if all visited PHI values were constant.
11894
11895 2007-01-08  Jan Hubicka  <jh@suse.cz>
11896
11897         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
11898         (cgraph_analyze_function): break out from ...
11899         (cgraph_finalize_compilation_unit): ... here.
11900         (cgraph_expand_function): Remove forgoten commented out line.
11901         (cgraph_optimize): Analyze functions.
11902
11903 2007-01-08  Jan Hubicka  <jh@suse.cz>
11904
11905         * tree-pas.h (TODO_remove_function): New flag.
11906         (TODO_update*): Renumber.
11907         (pass_ipa_increase_alignment,
11908         pass_ipa_function_and_variable_visibility): New passes.
11909         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
11910         (cgraph_function_and_variable_visibility): Move to ipa.c
11911         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
11912         cgraph_increase_alignment.
11913         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
11914         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
11915         calling tree-inline.
11916         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
11917         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
11918         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
11919         (gate_increase_alignment): New function.
11920         (pass_ipa_increase_alignment): New pass.
11921         * ipa.c: Inline tree-pass.h and timevar.h
11922         (function_and_variable_visibility): Move here from cgraphunit.c
11923         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
11924         * passes.c (init_optimization_passes): Add the two new passes.
11925         (execute_todo): Handle cgraph_remove_functions.
11926
11927 2007-01-08  Nick Clifton  <nickc@redhat.com>
11928
11929         * config/frv/predicates.md (reg_or_0_operand): Accept
11930         CONST_DOUBLEs.
11931
11932 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
11933
11934         * config/bfin/rtems.h, config/bfin/t-rtems: New.
11935         * config.gcc: Add bfin*-rtems*.
11936
11937 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11938
11939         * c.opt: Add -flax-vector-conversions.
11940         * c-typeck.c (convert_for_assignment): Pass flag to
11941         vector_types_convertible_p to allow emission of note.
11942         (digest_init): Likewise.
11943         * c-opts.c: Handle -flax-vector-conversions.
11944         * c-common.c (flag_lax_vector_conversions): New.
11945         (vector_types_convertible_p): Unless -flax-vector conversions
11946         has been passed, disallow conversions between vectors with
11947         differing numbers of subparts and/or element types.  If such
11948         a conversion is disallowed, possibly emit a note on the first
11949         occasion only to inform the user of -flax-vector-conversions.
11950         The new last argument specifies this.
11951         * c-common.h (flag_lax_vector_conversions): New.
11952         (vector_types_convertible_p): Add extra argument.
11953         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
11954         char_type_node for V*QI type vectors.
11955         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
11956         Update to satisfy new typechecking rules.
11957         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
11958         C and C++ variants.
11959         * doc/invoke.texi (C Dialect Options): Document
11960         -flax-vector-conversions.
11961
11962 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11963
11964         PR tree-optimization/29877
11965         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
11966         a register variable on the RHS to not be replaceable.
11967
11968 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
11969         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
11970         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
11971         const_simm15, const_pow2, const_npow2): Added.
11972         * config/score/misc.md (insv, extv, extzv, movmemsi,
11973         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
11974         * config/score/score.c (score_address_cost, score_select_cc_mode):
11975         Added.
11976         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
11977         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
11978         Update score_print_operand.
11979         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
11980         Adjust register allocate order and update some macro define.
11981         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
11982         mdx_block_move_straight, mdx_block_move_loop_head,
11983         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
11984         mdx_block_move): Added.
11985         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
11986         mdp_limm): Updated and fix some bug and typo.
11987         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
11988         (movsf, movdf, doloop_end): Added.
11989
11990 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
11991
11992         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
11993         config/arm/thumb2.md: Fix comment typos.
11994         * doc/extend.texi: Fix a typo.
11995
11996 2007-01-07  Eric Christopher  <echristo@apple.com>
11997
11998         * configure.ac: Check for __stack_chk_fail for darwin.
11999         * configure: Regenerate.
12000
12001 2007-01-07  Richard Guenther  <rguenther@suse.de>
12002
12003         * tree-vrp.c (extract_range_from_assert): CSE calls to
12004         compare_values where possible.
12005         (extract_range_from_unary_expr): Likewise.
12006
12007 2007-01-07  Anatoly Sokolov <aesok@post.ru>
12008
12009         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
12010         * config/avr/avr.c (call_insn_operand): Delete function.
12011         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
12012         instead of register number. Use predicates.
12013         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
12014         call_insn_operand): Add.
12015
12016 2007-01-06  Jan Hubicka  <jh@suse.cz>
12017
12018         * tree-pass.h (pass_build_cgraph_edges): Declare.
12019         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
12020         (visited_nodes): Remove.
12021         (cgraph_create_edges): Move to cgraphbuild.c; rename to
12022         build_cgrpah_edges; make visited_nodes local.
12023         (cgraph_process_new_functions): DO not call initialize_inline_failed.
12024         (record_references_in_initializer): Move to cgraphbuild.c
12025         (initialize_inline_failed, rebuild_cgraph_edges,
12026         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
12027         (verify_cgraph_node): Make visited_nodes local.
12028         (cgraph_analyze_function): Do not call cgraph_create_edges and
12029         initialize_inline_failed.
12030         (cgraph_expand_function): Do not call cgraph_lower_function;
12031         assert that function is already lowered.
12032         * Makefile.in (cgraphbuild.o): New.
12033         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
12034         at the end of lowering passes.
12035
12036 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
12037
12038         * ifcvt.c (cond_move_convert_if_block): New function, code
12039         factored out from...
12040         (cond_move_process_if_block): ...here.  Call the new function
12041         on the THEN and ELSE blocks.
12042         (merge_if_block): Do not copy global_live_at_end, merge_blocks
12043         already takes care of this.
12044
12045 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12046
12047         PR c/19978
12048         * tree.h (TREE_OVERFLOW_P): New.
12049         * c-typeck.c (parser_build_unary_op): Warn only if result
12050         overflowed and operands did not.
12051         (parser_build_binary_op): Likewise.
12052         (convert_for_assignment): Remove redundant overflow_warning.
12053         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
12054
12055 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12056
12057         * c-typeck.c (store_init_value): Split over two lines to follow
12058         the GNU coding style.
12059
12060 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
12061
12062         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
12063         __GXX_EXPERIMENTAL_CXX0X__.
12064         * doc/cpp.texi: Same.
12065
12066 2007-01-05  Richard Guenther  <rguenther@suse.de>
12067
12068         PR middle-end/27826
12069         * tree.c (get_narrower): Do not construct COMPONENT_REFs
12070         with mismatched types.  Instead explicitly build a
12071         conversion NOP_EXPR.
12072
12073 2007-01-05  Ian Lance Taylor  <iant@google.com>
12074
12075         * c-common.c (decl_with_nonnull_addr_p): New function.
12076         (c_common_truthvalue_conversion): Call it.
12077         * c-typeck.c (build_binary_op): Likewise.
12078         * c-common.h (decl_with_nonnull_addr_p): Declare.
12079
12080 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
12081
12082         PR c/30360
12083         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
12084         denom against 0.0.
12085
12086 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
12087
12088         * doc/install.texi (Final install): Document the fact that
12089         the GNAT runtime should not be stripped.
12090
12091 2007-01-04  Jan Hubicka  <jh@suse.cz>
12092
12093         * tree-inline.c (fold_marked_statements): Update operand caches
12094         and EH after folding
12095
12096 2007-01-04  Ian Lance Taylor  <iant@google.com>
12097
12098         * c-common.c (check_function_nonnull): Whitespace fix.
12099
12100 2007-01-04  Jan Hubicka  <jh@suse.cz>
12101
12102         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
12103         comitted older version of patch.
12104         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
12105         function, celanup cfg and collect garbage.
12106
12107 2007-01-04  Mike Stump  <mrs@apple.com>
12108
12109         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
12110         (clean): Likewise.
12111
12112 2007-01-04  Eric Christopher  <echristo@apple.com>
12113
12114         * libgcc2.c (__bswapsi2): Use SItype.
12115         (__bswapdi2): Use DItype.
12116         * libgcc2.h: Update for above.
12117
12118 2007-01-04  Paul Brook  <paul@codesourcery.com>
12119
12120         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
12121         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
12122         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
12123         umulsidi3, umulsidi3adddi, smulsi3_highpart,
12124         umulsi3_highpart): Make conditional on !arm_arch6.
12125         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
12126         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
12127         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
12128         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
12129         umulsi3_highpart_v6): New insns.
12130
12131 2007-01-04  Roger Sayle  <roger@eyesopen.com>
12132
12133         * fold-const.c (fold_convert): When casting an expression to void,
12134         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
12135         have a type.  Instead of attempting to build a NOP_EXPR, return
12136         these "special" trees directly.
12137
12138 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
12139
12140         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
12141         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
12142         rs6000_cost->fp not 0 as adjustment for outer NEG.
12143
12144 2007-01-04  Jan Hubicka  <jh@suse.cz>
12145
12146         * cgraph.c (cgraph_release_function_body): New function.
12147         (cgraph_remove_node): Use it.
12148         * cgraph.h (cgraph_release_function_body): Declare.
12149         * cgraphunit.c (cgraph_expand_function): Use it.
12150         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
12151         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
12152         is initialized and while compilation of other function is running.
12153         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
12154         statement CFG annotations from here to ...
12155         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
12156
12157 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
12158
12159         * cfgloop.h (enum li_flags): Make the constants powers of two.
12160
12161 2007-01-04  Jan Hubicka  <jh@suse.cz>
12162
12163         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
12164         set.
12165         (fold_marked_statements): New function.
12166         (optimize_inline_calls, tree_function_versioning): Fold new statements.
12167         * tree-inline.h (copy_body_data): Add statements_to_fold.
12168
12169 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
12170
12171         * config.gcc: Mention libgcc/config.host.
12172         * Makefile.in: Update comments mentioning libgcc.
12173         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
12174         (all.cross, start.encap, rest.encap, rest.cross): Update
12175         dependencies for libgcc move.
12176         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
12177         (clean-target, clean-target-libgcc): Delete.
12178         (srcdirify, GCC_EXTRA_PARTS): New macros.
12179         (libgcc-support, libgcc.mvars): New rules.
12180         (distclean): Remove mention of mklibgcc.
12181         (install): Don't reference INSTALL_LIBGCC.
12182         (install-common): Don't reference EXTRA_PARTS.
12183         (install-libgcc, install-multilib): Delete rules.
12184         * mklibgcc.in: Delete file.
12185         * doc/configfiles.texi: Don't mention mklibgcc.
12186
12187         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
12188         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
12189         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
12190         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
12191         (mklibgcc, ldblspecs): Likewise.
12192
12193         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
12194         (posixpre.def): Use $(T).
12195         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
12196         (SHLIB_SRC, SHLIB_INSTALL): Delete.
12197         (SHLIB_LINK): Make dummy.
12198         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
12199
12200         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
12201
12202         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
12203         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
12204         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
12205         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
12206
12207         * configure.ac (all_outputs): Remove mklibgcc.
12208         * configure: Regenerated.
12209
12210 2007-01-03  Josh Conner  <jconner@apple.com>
12211
12212         PR middle-end/29683
12213         * calls.c (compute_argument_addresses): Set stack and stack_slot
12214         for partial args, too.
12215         (store_one_arg): Use locate.size.constant for the size when
12216         generating a save_area.
12217
12218 2007-01-03  Robert Kennedy <jimbob@google.com>
12219
12220         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
12221         whose definitions are deleted due to basic block merging.
12222
12223 2007-01-03  Paul Brook  <paul@codesourcery.com>
12224
12225         PR target/16634
12226         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
12227         functions.
12228         (use_return_insn): Return 0 for Thumb interrupt functions.
12229         (print_multi_reg): Add rfe argument for IRQ returns.
12230         (arm_output_epilogue): Pop interrupt return address directly into PC.
12231         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
12232
12233 2007-01-03  Paul Brook  <paul@codesourcery.com>
12234
12235         Merge from sourcerygxx-4_1.
12236         * config/arm/thumb2.md: New file.
12237         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
12238         Thumb-2.
12239         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
12240         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12241         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
12242         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
12243         tables.
12244         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12245         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
12246         comptibility.
12247         * config/arm/ieee754-sf.S: Ditto.
12248         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
12249         (thumb1_base_register_rtx_p): ... to this.
12250         (thumb_index_register_rtx_p): Rename...
12251         (thumb1_index_register_rtx_p): ... to this.
12252         (thumb_output_function_prologue): Rename...
12253         (thumb1_output_function_prologue): ... to this.
12254         (thumb_legitimate_address_p): Rename...
12255         (thumb1_legitimate_address_p): ... to this.
12256         (thumb_rtx_costs): Rename...
12257         (thumb1_rtx_costs): ... to this.
12258         (thumb_compute_save_reg_mask): Rename...
12259         (thumb1_compute_save_reg_mask): ... to this.
12260         (thumb_final_prescan_insn): Rename...
12261         (thumb1_final_prescan_insn): ... to this.
12262         (thumb_expand_epilogue): Rename...
12263         (thumb1_expand_epilogue): ... to this.
12264         (arm_unwind_emit_stm): Rename...
12265         (arm_unwind_emit_sequence): ... to this.
12266         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
12267         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
12268         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
12269         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
12270         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
12271         thumb2_output_casesi): New functions.
12272         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
12273         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
12274         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
12275         THUMB2_WORK_REGS): Define.
12276         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
12277         arm_condexec_mask, arm_condexec_masklen)): New variables.
12278         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
12279         (arm_override_options): Check new CPU capabilities.
12280         Set new architecture flag variables.
12281         (arm_isr_value): Handle v7m interrupt functions.
12282         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
12283         Thumb-2.
12284         (const_ok_for_arm): Handle Thumb-2 constants.
12285         (arm_gen_constant): Ditto.  Use movw when available.
12286         (arm_function_ok_for_sibcall): Return false for v7m interrupt
12287         functions.
12288         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
12289         (thumb_find_work_register, arm_load_pic_register,
12290         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
12291         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
12292         print_multi_reg, output_mov_long_double_fpa_from_arm,
12293         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
12294         output_mov_double_fpa_from_arm, output_move_double,
12295         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
12296         output_return_instruction, arm_output_function_prologue,
12297         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
12298         arm_output_mi_thunk, thumb_set_return_address): Ditto.
12299         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
12300         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
12301         (arithmetic_instr, shift_op): Use arm_shift_nmem.
12302         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
12303         '!' and 'L'.
12304         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
12305         (thumb_expand_prologue): Use thumb_set_frame_pointer.
12306         (arm_file_start): Output directive for unified syntax.
12307         (arm_unwind_emit_set): Handle stack alignment instruction.
12308         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
12309         Add v6t2, v7, v7a, v7r and v7m.
12310         (RETLDM): Add Thumb-2 code.
12311         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
12312         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
12313         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
12314         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
12315         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
12316         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
12317         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12318         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12319         ADJUST_INSN_LENGTH): Define.
12320         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12321         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12322         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12323         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12324         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12325         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12326         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12327         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12328         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12329         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12330         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12331         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12332         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12333         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12334         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12335         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12336         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12337         cortex-m3.
12338         * config/arm/arm-tune.md: Regenerate.
12339         * config/arm/arm-protos.h: Update prototypes.
12340         * config/arm/vfp.md: Enable patterns for Thumb-2.
12341         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
12342         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12343         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12344         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12345         * config/arm/libunwind.S: Add Thumb-2 code.
12346         * config/arm/constraints.md: Update include Thumb-2.
12347         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12348         * config/arm/ieee754-df.S: Ditto.
12349         * config/arm/bpabi.S: Ditto.
12350         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12351         * config/arm/predicates.md (low_register_operand,
12352         low_reg_or_int_operand, thumb_16bit_operator): New.
12353         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12354         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12355         * config/arm/t-arm-elf: Add armv7 multilib.
12356         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12357         Include thumb2.md.
12358         (UNSPEC_STACK_ALIGN, ce_count): New.
12359         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
12360         arm_zero_extendsidi2, arm_zero_extendqidi2): New
12361         insns/expanders.
12362         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
12363         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
12364         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
12365         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
12366         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
12367         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
12368         insns.
12369         * doc/extend.texi: Document ARMv7-M interrupt functions.
12370         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
12371
12372 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
12373
12374         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
12375         (struct _Unwind_Context): Rename args_size to flags, remove
12376         signal_frame field, add a new args_size field and version field.
12377         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
12378         _Unwind_IsExtendedContext): New inline functions.
12379         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12380         Assume by_value array is only present if _Unwind_IsExtendedContext.
12381         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
12382         _Unwind_IsSignalFrame.
12383         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
12384         (uw_update_context_1): Use _Unwind_SetSignalFrame.
12385         (uw_init_context_1): Initialize context->flags to
12386         EXTENDED_CONTEXT_BIT.
12387         * config/rs6000/linux-unwind.h (frob_update_context): Use
12388         _Unwind_SetSignalFrame.
12389
12390 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12391
12392         PR middle-end/30353
12393         * gimplify.c (gimplify_modify_expr_complex_part): Move below
12394         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
12395         the value.
12396
12397 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
12398
12399         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12400         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12401         RET, AT_SP): Remove.
12402         * config/i386/i386.md (*sse_prologue_save_insn): Use return
12403         instead of RET.
12404
12405         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12406         * cfgbuild.c (find_basic_blocks): Likewise.
12407         * cfgrtl.c (rtl_create_basic_block): Likewise.
12408         * function.c (temp_slots_at_level): Likewise.
12409         * reg-stack.c (stack_regs_mentioned): Likewise.
12410         * regclass.c (allocate_reg_info): Likewise.
12411         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12412         set_bb_for_stmt, move_block_to_fn): Likewise.
12413         * tree-complex.c (tree_lower_complex): Likewise.
12414         * vec.h (VEC_safe_grow_cleared): New.
12415
12416         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
12417
12418 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
12419
12420         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
12421         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
12422         to loop_version.
12423         * cfgloopmanip.c (scale_loop_frequencies): Export.
12424         (loopify): Scale the frequencies by prescribed coefficients.
12425         (set_zero_probability): New function.
12426         (duplicate_loop_to_header_edge): Improve updating of frequencies.
12427         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
12428         and frequencies according to arguments.
12429         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
12430         correctly.
12431         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
12432         * modulo-sched.c (sms_schedule): Set probabilities for entering
12433         versioned loop correctly.
12434         * tree-vect-transform.c (vect_transform_loop): Ditto.
12435         * cfgloop.h (loopify, loop_version): Declaration changed.
12436         (scale_loop_frequencies): Declared.
12437
12438 2007-01-02  Jan Hubicka  <jh@suse.cz>
12439
12440         * cgraph.c: Include tree-flow.h
12441         (cgraph_add_new-function): Handle IPA_SSA mode; execute
12442         early_local_passes.
12443         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
12444         * tree-pass.h (pass_all_early_optimizations): Declare.
12445         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
12446         early_local_passes.
12447         (cgraph_analyze_function): Do early_local_passes.
12448         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12449         Do not add referenced vars.
12450         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
12451         SSA form.
12452         (gate_all_early_local_passes): New gate.
12453         (pass_early_local_passes): Use new gate.
12454         (execute_early_local_optimizations): New functions.
12455         (gate_all_early_optimizations): New gate.
12456         (pass_all_early_optimizations): New pass.
12457         (execute_free_datastructures): Free SSA only when initialized.
12458         (gate_init_datastructures): Init only when optimizing.
12459         (tree_lowering_passes): Do early local passes when called late.
12460         * tree-profile.c (do_tree_profiling): Don't profile functions added
12461         late.
12462         (do_early_tree_profiling, pass_early_tree_profile): Kill.
12463         * tree-cfg.c (update_modified_stmts): Do not update when operands are
12464         not active.
12465         * passes.c (init_optimizations_passes): Reorder so we go into SSA
12466         during early_local_passes.
12467         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
12468
12469
12470 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12471
12472         * Makefile.in: Update copyright year.
12473
12474 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12475
12476         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
12477         in $(lang_checks) and check-consistency targets.
12478
12479 2007-01-02  Jan Hubicka  <jh@suse.cz>
12480
12481         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12482         Do not add referenced vars.
12483         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
12484         are not active.
12485         * passes.c (init_optimization_passes): Put mudflap_2 after
12486         free_datastructures.
12487
12488 2007-01-02  Jan Hubicka  <jh@suse.cz>
12489
12490         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
12491         Set NOTHROW flag on call statements proved to be nothrow.
12492         Update statement of local calls so new pure/const functions are
12493         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
12494         goto receivers.
12495         (tree_rest_of_compilation): Register hooks and initialize bitmap
12496         early. Do not set after_inlining flag.
12497
12498 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
12499
12500         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
12501         HOST_BITS_PER_LONGLONG
12502
12503 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12504
12505         PR c/19977
12506         * c-typeck.c (store_init_value): Don't emit pedantic overflow
12507         warning for non-static initializers.
12508
12509 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
12510
12511         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
12512         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
12513         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
12514         Always use set_unique_reg_note to add REG_EQUAL notes.
12515
12516 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12517
12518         Revert:
12519         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12520
12521         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12522         * cfgbuild.c (find_basic_blocks): Likewise.
12523         * cfgrtl.c (rtl_create_basic_block): Likewise.
12524         * function.c (temp_slots_at_level): Likewise.
12525         * reg-stack.c (stack_regs_mentioned): Likewise.
12526         * regclass.c (allocate_reg_info): Likewise.
12527         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12528         set_bb_for_stmt, move_block_to_fn): Likewise.
12529         * tree-complex.c (tree_lower_complex): Likewise.
12530         * vec.h (VEC_safe_grow_cleared): New.
12531
12532 2007-01-02  Ian Lance Taylor  <iant@google.com>
12533
12534         * c-common.c (c_common_truthvalue_conversion): When warning about
12535         using an assignment as a truth value, set TREE_NO_WARNING.
12536
12537 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12538
12539         PR middle-end/7651
12540         * c.opt (Wold-style-declaration): New.
12541         * doc/invoke.texi (C-only Warning Options): New.
12542         (Wold-style-declaration): Document it.
12543         (Wextra): Enabled by -Wextra.
12544         * c-opts.c (c_common_post_options): Enabled by -Wextra.
12545         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
12546         -Wold-style-declaration.
12547
12548 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12549
12550         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12551         * cfgbuild.c (find_basic_blocks): Likewise.
12552         * cfgrtl.c (rtl_create_basic_block): Likewise.
12553         * function.c (temp_slots_at_level): Likewise.
12554         * reg-stack.c (stack_regs_mentioned): Likewise.
12555         * regclass.c (allocate_reg_info): Likewise.
12556         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12557         set_bb_for_stmt, move_block_to_fn): Likewise.
12558         * tree-complex.c (tree_lower_complex): Likewise.
12559         * vec.h (VEC_safe_grow_cleared): New.
12560
12561 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
12562
12563         * c-common.c (c_common_nodes_and_builtins): Since variants of
12564         void_type_node get built before it is given a name, we need to
12565         give those variants the name, too.
12566         (complete_array_type): We need to work with the canonical main
12567         type of the array, from which we will build the qualified version.
12568         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12569         * print-tree.c (print_node): Display canonical type information
12570         for each type.
12571         * stor-layout.c (layout_type): When we don't know the
12572         alignment of a type for which we're building an array, we end up
12573         guessing wrong, so make the type require structural equality.
12574         * tree.c (make_node_stat): When we build a new type, it is its
12575         own canonical type.
12576         (build_type_attribute_qual_variant): When building an attribute
12577         variant, its canonical type is the non-attribute variant. However,
12578         if the attributes are target-dependent and they differ, we need to
12579         use structural equality checks for this type.
12580         (build_qualified_type): A qualified type is not equivalent to its
12581         unqualified variant; set the canonical type appropriately.
12582         (build_distinct_type_copy): When building a distinct type from
12583         another type, the new type is its own canonical type.
12584         (build_variant_type_copy): When building a new type variant, we
12585         assume that it is equivalent to the original type.
12586         (build_pointer_type_for_mode): When building a pointer type, also
12587         build a canonical type pointer.
12588         (build_reference_type_for_mode): When building a reference type,
12589         also build a canonical type reference.
12590         (build_index_type): When we can't hash an index type (e.g.,
12591         because its maximum value is negative), the index type requires
12592         structural equality tests.
12593         (build_array_type): Build the canonical form of an array type.
12594         (build_function_type): Function types require structural equality,
12595         because they contain default arguments, attributes, etc.
12596         (build_method_type_directly): Ditto for method types.
12597         (build_offset_type): Build the canonical offset type.
12598         (build_complex_type): Build the canonical vector type.
12599         (make_vector_type): Build the canonical vector type.
12600         * tree.h (TYPE_CANONICAL): New.
12601         (TYPE_STRUCTURAL_EQUALITY_P): New.
12602         (SET_TYPE_STRUCTURAL_EQUALITY): New.
12603         (struct tree_type): Added "canonical" field.
12604         * params.h (VERIFY_CANONICAL_TYPES): New.
12605         * doc/c-tree.texi (TYPE_CANONICAL): Document.
12606         (TYPE_STRUCTURAL_EQUALITY_P): Document.
12607         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12608         * doc/invoke.texi (verify-canonical-types): Document --param
12609         parameter for verifying canonical types.
12610
12611 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12612
12613         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12614         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12615         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12616         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12617         tm_file.
12618         * config/rs6000/e500.h: New.
12619         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12620         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12621         Remove.
12622         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12623         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12624         TARGET_E500_DOUBLE): Remove.
12625         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12626         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12627         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12628         * config/rs6000/rs6000.c (rs6000_override_options): Use
12629         CHECK_E500_OPTIONS.
12630
12631 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12632
12633         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12634         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12635         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12636         rs6000_emit_cmove): Don't check TARGET_E500.
12637         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12638         sordered): Don't check TARGET_E500.
12639
12640 2007-01-01  Eric Christopher  <echristo@apple.com>
12641
12642         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
12643         HARD_REGISTER_NUM_P.
12644
12645 2007-01-01  Roger Sayle  <roger@eyesopen.com>
12646
12647         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
12648         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
12649         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
12650         eq/ne Y".
12651
12652 2007-01-01  Mike Stump  <mrs@apple.com>
12653
12654         * configure.ac: Remove support for building with Apple's gcc-3.1.
12655
12656 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12657
12658         PR middle-end/30311
12659         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
12660         REG is a hard register.  Do not modify REG before calling
12661         subreg_nregs.
12662         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
12663         multiple of the size of YMODE for certain lowpart cases.
12664
12665 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12666
12667         PR middle-end/30253
12668         * gimplify (voidify_wrapper_expr): Update for
12669         GIMPLE_MODIFY_STMT.
12670
12671 2007-01-01  Andreas Schwab  <schwab@suse.de>
12672
12673         PR target/29166
12674         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
12675         save of BR0 in extra_spill_size instead of spill_size.
12676         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
12677         area.
12678         (ia64_expand_epilogue): Restore BR0 from its new location.
12679
12680 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12681
12682         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
12683         Use a temporary variable if the left hand side is not a gimple
12684         register.
12685
12686 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12687
12688         * gimplify.c (gimplify_return_expr): Make the temporary variable
12689         for the return expression, a gimple register variable.
12690
12691 2007-01-01  Jan Hubicka  <jh@suse.cz>
12692
12693         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
12694         INSN_LIST.
12695
12696 2007-01-01  Mike Stump  <mrs@apple.com>
12697
12698         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
12699         .literal16.
12700         * config/darwin.c (machopic_select_rtx_section): Use
12701         HAVE_GAS_LITERAL16.
12702         (darwin_mergeable_constant_section): Likewise.
12703         * configure: Regenerate.
12704         * config.in: Regenerate.
12705
12706 2007-01-01  Jan Hubicka  <jh@suse.cz>
12707             Andrew Pinski  <pinskia@gmail.com>
12708
12709         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
12710         before starting IPA passes.