OSDN Git Service

809f3c85442373662981ca7c92fcff3124f51cc0
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
2
3         * varasm.c (align_variable): Don't increase alignment for
4         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
5         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
6
7 2007-05-04  Josh Conner  <jconner@apple.com>
8
9         * basic-block.h (cdi_direction): Assign values to all enumeration
10         constants.
11         (dom_computed): Remove.
12         (dom_info_state): New.
13         (set_dom_info_availability): New.
14         * tree-ssa-loop-im.c (determine_invariantness): Initialize
15         walk_data.dom_direction.
16         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
17         instead of dom_computed[].
18         (split_edge): Likewise.
19         (create_basic_block): Likewise.
20         (merge_blocks): Likewise.
21         * ifcvt.c (find_if_header): Likewise.
22         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
23         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
24         * tree-ssa.c (verify_ssa): Likewise.
25         * tree-cfg.c (tree_verify_flow_info): Likewise.
26         (remove_edge_and_dominated_blocks): Likewise.
27         * dominance.c (dom_computed): Make static.
28         (calc_dfs_tree_nonrec): Change third param to a bool.
29         (calc_dfs_tree): Change second param to a bool.
30         (calc_idioms): Change second param to a bool.  Use
31         dom_convert_dir_to_idx.
32         (init_dom_info): Validate dir before using.
33         (dom_convert_dir_to_idx): New.
34         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
35         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
36         (free_dominance_info): Use dom_convert_dir_to_idx.
37         (get_immediate_dominator): Likewise.
38         (set_immediate_dominator): Likewise.
39         (get_dominated_by): Likewise.
40         (redirect_immediate_dominators): Likewise.
41         (nearest_common_denominator): Likewise.
42         (dominated_by_p): Likewise.
43         (bb_dom_dfs_in): Likewise.
44         (bb_dom_dfs_out): Likewise.
45         (recount_dominator): Likewise.
46         (iterate_fix_dominators): Likewise.
47         (add_to_dominance_info): Likewise.
48         (delete_from_dominance_info): Likewise.
49         (first_dom_son): Likewise.
50         (next_dom_son): Likewise.
51         (dom_info_available_p): Likewise.
52         (dom_info_state): New.
53         (set_dom_info_availability): New.
54
55 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
56
57         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
58         Expander removed.
59         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
60
61 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
62         
63         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
64         (subdi3, subdi_carry): Delete.
65         
66 2007-05-04  Jan Hubicka  <jh@suse.cz>
67             Richard Guenther  <rguenther@suse.de>
68
69         * opts.c (decode_options): Do not fiddle with inlining
70         parameters in case of optimizing for size.
71         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
72         for size do nothing.
73         (cgraph_decide_inlining_of_small_function): When optimizing for
74         size never inline functions increasing caller size.
75         (cgraph_early_inlining): Inline for size when optimizing for size.
76
77 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
78
79         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
80         logical operations piecewise.
81         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
82         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
83         subdi_sesidi_di): Delete.
84         (add_with_carry): Produce carry in CC instead of a DREG to shorten
85         the generated sequence.  Allow three-reg add in constraints.  Rewrite
86         the rtl expression for carry to avoid zero_extend of a constant.
87         (sub_with_carry): New pattern.
88         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
89         different sequence not involving jumps.
90         (notbi): Now a named pattern.
91
92 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
93
94         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
95         Add the note about a significant loss of accuracy of some
96         mathematical routines when these options are used.
97
98 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
99
100         * haifa-sched.c (rtx_vec_t): New typedef.
101         (contributes_to_priority_p): Extract piece of priority () into new
102         static function.
103         (priority): Use the function.  Add assertion.
104         (rank_for_schedule, set_priorities): Add assertion to check that
105         insn's priority is initialized.
106         (clear_priorities, calc_priorities): Change signature.  Make it update
107         all relevant insns.  Update all callers ('add_to_speculative_block ()'
108         and 'create_block_check_twin ()').
109         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
110         Add new field 'priority_status'.
111         (INSN_PRIORITY_STATUS): New macro.
112         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
113
114 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
115
116         * sched-ebb.c (debug_ebb_dependencies): New static function.
117         (init_ready_list): Use it.
118
119         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
120         with changed signature and 'debug_rgn_dependencies ()'.
121         (debug_rgn_dependencies): New static function.
122         (init_ready_list): Use it.
123         
124         * sched-int.h (debug_dependencies): Declare.
125
126 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
127
128         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
129
130 2007-05-04  Dirk Mueller  <dmueller@suse.de>
131
132         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
133
134 2007-05-03  Jan Hubicka  <jh@suse.cz>
135
136         * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
137         for pointer type in more cases than before.
138
139         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
140
141         * tree-object-size.c (plus_expr_object_size): When operand size is
142         unknown, return unknown.
143
144 2007-05-03  Dirk Mueller  <dmueller@suse.de>
145
146         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
147
148         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
149         options.
150
151         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
152
153 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
154
155         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
156
157 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
158
159         * config/soft-fp/double.h, config/soft-fp/extended.h,
160         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
161         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
162         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
163         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
164         glibc CVS.
165
166 2007-05-03  Ian Lance Taylor  <iant@google.com>
167
168         * config/rs6000/rs6000.c (rs6000_override_options): Don't se
169         MASK_PPC_GFXOPT for 8540 or 8548.
170
171 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
172
173         * tree-vect-transform.c (vect_update_inits_of_drs): Use
174         vect_print_dump_info() to output debug information.
175
176 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
177
178         PR target/31768
179         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
180         operands of size 2 when operand is not MEM_P.
181
182 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
183
184         PR tree-optimization/30565
185         * lambda-code.c (perfect_nestify): Fix updating of dominators.
186
187 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
188
189         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
190         (umulsi3_highpart): Use them.
191         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
192         for final accumulator to D regisster tranfser.
193
194 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
195
196         PR tree-optimization/31699
197         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
198         code.
199         (vect_enhance_data_refs_alignment): Compute peel amount using 
200         TYPE_VECTOR_SUBPARTS instead of vf.     
201         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
202
203 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
204
205         PR bootstrap/31776
206         * system.h: Remove inclusion of double-int.h
207         * tree.h: Include double-int.h
208         * gengtype.c: Likewise
209         * cfgloop.h: Likewise
210         * Makefile.in: Adjust dependencies on double-int.h
211
212 2007-05-02  Eric Christopher  <echristo@apple.com>
213
214         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
215         -shared to -Zdynamiclib.
216
217 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
218
219         PR c++/31663
220         * c-common.c (strip_pointer_or_array_types): New function.
221         * c-common.h (strip_pointer_or_array_types): New function declaration.
222
223 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
224
225         PR tree-optimization/31771
226         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
227
228 2007-05-02  Paul Brook  <paul@codesourcery.com>
229
230         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
231
232 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
233
234         PR middle-end/29715
235         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
236         transformation.
237
238 2007-05-02  Nick Clifton  <nickc@redhat.com>
239
240         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
241
242 2007-05-02  Richard Guenther  <rguenther@suse.de>
243
244         PR tree-optimization/31146
245         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
246         argument, single_use_p.  If we have a single use that is
247         a conversion to the definition rhs type, propagate that rhs.
248         (forward_propagate_addr_expr): Pass single_use_p argument
249         to forward_propagate_addr_expr_1.
250
251 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
252
253         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
254         variable.
255
256 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
257
258         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
259         'AMD Family 10 core'.
260
261 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
262
263         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
264         and athlon64-sse3 as improved versions of k8, opteron and athlon64
265         with SSE3 instruction set support.
266         * doc/invoke.texi: Likewise.
267
268 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
269
270         * config/i386/i386.c (override_options): Tuning 32-byte loop
271         alignment for amdfam10 architecture. Increasing the max loop
272         alignment to 24 bytes.
273
274 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
275
276         * config/m68k/constraints.md: New.
277         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
278         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
279         EXTRA_CONSTRAINT): Remove.
280         * config/m68k/m68k.md: Include constraints.md.
281         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
282
283 2007-05-01  Ian Lance Taylor  <iant@google.com>
284
285         PR tree-optimization/31739
286         * tree-vrp.c (vrp_val_is_max): New static function.
287         (vrp_val_is_min): New static function.
288         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
289         copying the node.
290         (set_value_range): Use vrp_val_is_{max,min}.
291         (extract_range_from_assert): Likewise.
292         (extract_range_from_binary_expr): Likewise.
293         (extract_range_from_unary_expr): Likewise.
294         (dump_value_range, vrp_meet): Likewise.
295         (vrp_visit_phi_node): Likewise.
296         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
297
298 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
299
300         * config/i386/gmon-sol2.c (size_t): New type.
301         (intptr_t): Likewise.
302         (s_textsize): Declare as size_t.
303         (sbrk): Declare.
304         (monstartup): Use size_t for sizes.
305         (_mcount): Save and restore registers.
306         (internal_mcount): Pass 0 as the first argument to monstartup
307         in 64-bit mode.
308         (moncontrol): Convert pointer to appropriately sized integer
309         before passing to profil.
310
311 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
312
313         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
314         __NO_FPRS__, not just if _SOFT_DOUBLE.
315         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
316         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
317         also for E500 double.
318         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
319         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
320         && !TARGET_FPRS).
321
322 2007-05-01  Richard Guenther  <rguenther@suse.de>
323
324         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
325         is NULL.
326
327 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
328
329         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
330
331 2007-05-01  Jan Hubicka  <jh@suse.cz>
332
333         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
334         invariant.
335
336 2007-05-01  Jan Hubicka  <jh@suse.cz>
337
338         * tree.h (maybe_fold_offset_to_component_ref): Remove.
339         (maybe_fold_offset_to_reference): Declare.
340         * fold-const.c (fold_unary): Do not fold
341         (type *)&A into &A->field_of_type_and_offset_0
342         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
343         size is unknown, give up.
344         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
345         offsets.
346         (maybe_fold_offset_to_reference): New.
347         (maybe_fold_stmt_indirect): Use it.
348         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
349         * gimplify.c (gimplify_conversion): Canonicalize conversions to
350         field references.
351         (gimplify_expr): Likewise for plus_expr.
352
353 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
354
355         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
356         bsi_after_labels.  Always insert statements before bsi.
357         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
358         * predict.c (apply_return_prediction): Check for empty blocks.
359         * cfgexpand.c (lab_rtx_for_bb): New variable.
360         (label_rtx_for_bb): Do not create new tree labels.
361         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
362         (tree_expand_cfg): Initialize lab_rtx_for_bb.
363         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
364         creating edges.
365         (label_for_bb): Add field used.
366         (update_eh_label, main_block_label): Mark the label used.
367         (cleanup_dead_labels): Remove unused labels.
368
369 2007-05-01  Richard Guenther  <rguenther@suse.de>
370
371         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
372         if it is not about to be set.
373         (get_value_range): Do not pre-allocate equiv bitmap.
374         (update_value_range): No need to clear equiv field.
375         (add_equivalence): Change prototype to get bitmap pointer.
376         Allocate bitmap here if it is not already.
377         (extract_range_from_assert): Do not allocate bitmap here.
378         Update callers to add_equivalence.
379         (extract_range_from_ssa_name): Likewise.
380         (get_vr_for_comparison): New static helper.
381         (compare_name_with_value): Handle NULL equiv bitmap by
382         peeling the first iteration of the comparison loop.
383         Use get_vr_for_comparison.
384         (compare_names): Handle NULL equiv bitmaps by using fake
385         ones.  Use get_vr_for_comparison.
386
387 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
388
389         * double-int.c (mpz_set_double_int): Moved from
390         tree-ssa-loop-niter.c.
391         (mpz_get_double_int): Likewise; also, add option to wrap
392         out-of-range integers.
393         * double-int.h: New prototypes for above.
394         * tree.c (get_static_type_bounds): Moved from
395         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
396         TYPE_MAX_VALUE if they exist..
397         * tree.h: New prototype for above.
398         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
399         get_type_bounds calls.
400         (mpz_set_double_int): Move to double-int.c.
401         (get_type_bounds): Move to tree.c, rename to
402         get_static_type_bounds.
403         (mpz_to_double_int): Move to double-int.c, rename to
404         mpz_get_double_int.
405
406 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
407
408         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
409         DIV0 exception can fall through to a normal return.
410
411 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
412
413         PR middle-end/22156
414         Temporarily revert:
415         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
416         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
417         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
418         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
419         initialize align to silence bogus warning.
420         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
421         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
422         all_no_warning.
423         (struct sra_walk_fns): Remove use_all parameter from use.
424         (sra_hash_tree): Handle BIT_FIELD_REFs.
425         (sra_elt_hash): Don't hash bitfld blocks.
426         (sra_elt_eq): Skip them in parent compares as well.  Handle
427         BIT_FIELD_REFs.
428         (sra_walk_expr): Don't maintain or pass down use_all_p.
429         (scan_use): Remove use_all parameter.
430         (scalarize_use): Likewise.  Re-expand assignment to
431         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
432         output, and re-scalarize after output.  Don't mark anything
433         for no warning.
434         (scalarize_ldst): Adjust.
435         (scalarize_walk_gimple_modify_statement): Likewise.
436         (build_element_name_1): Handle BIT_FIELD_REFs.
437         (instantiate_element): Don't warn for any element whose parent
438         is used as a whole.
439         (instantiate_missing_elements_1): Return the sra_elt.
440         (canon_type_for_field): New.
441         (try_instantiate_multiple_fields): New.
442         (instantiate_missing_elemnts): Use them.
443         (mark_no_warning): Removed.
444         (generate_one_element_ref): Handle BIT_FIELD_REFs.
445         (REPLDUP, sra_build_elt_assignment): New.
446         (generate_copy_inout): Use them.
447         (generate_element_copy): Likewise.  Handle bitfld differences.
448         (generate_element_zero): Don't recurse for blocks.  Use
449         sra_build_elt_assignment.
450         (generate_one_element_int): Take elt instead of var.  Use
451         sra_build_elt_assignment.
452         (generate_element_init_1): Adjust.
453         (scalarize_use, scalarize_copy): Use REPLDUP.
454         (scalarize_ldst): Move assert before dereference.
455         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
456
457 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
458
459         PR C++/31721
460         * tree.c (reconstruct_complex_type): Reconstruct a reference
461         correctly.
462         Also use the same mode for the pointer as the old pointer type.
463
464 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
465
466         * doc/trouble.texi (Interoperation): Remove note about Ultrix
467         Fortran compiler.
468
469 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
470
471         PR rtl-optimization/31676
472         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
473         (df_refs_record): Call it.
474
475 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
476
477         * rtl.def (SS_ABS): New code.
478         * config/bfin/bfin.c (print_operand): New modifier 'v'.
479         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
480         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
481         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
482         (bfin_init_builtins): Define them.
483         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
484         (bfin_expand_builtin): ... and handle the others here.
485         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
486         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
487         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
488         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
489         operand is only HImode.
490
491 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
492
493         * regclass.c (scan_one_insn): Remove splitting of
494         two address insns.
495
496 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
497             Nigel Stephens  <nigel@mips.com>
498
499         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
500
501 2007-04-28  Jan Hubicka  <jh@suse.cz>
502
503         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
504         insn_locators_alloc instead of insn_locators_initialize;
505         call reset_block_changes.
506         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
507         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
508         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
509         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
510         * config/score/score.c (th_output_mi_thunk): Likewise.
511         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
512         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
513         tolerate uninitialized locator info.
514
515         Re-apply:
516         * function.c (init_function_start): Don't init line number info.
517         (expand_function_end): Update.
518         (reset_block_changes, record_block_change, finalize_block_changes,
519         check_block_change, free_block_changes): Kill.
520         * function.h (reset_block_changes, record_block_change,
521         finalize_block_changes, check_block_change, free_block_changes): Remove
522         prototypes.
523         (struct function): Remove ib_boundaries_block.
524         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
525         Use curr_insn_locator to initialize locator.
526         (emit_line_note): Remove.
527         * cfgexpand.c (expand_gimple_cond_expr): Update.
528         (construct_exit_block): Likewise.
529         (tree_expand_cfg): Initialize/finalize locators.
530         * expr.c (expand_expr_real): Update.
531         * cfglayout.c (line_locators_locs, line_locators_lines,
532         file_locators_locs, file_locators_files): Remove.
533         (set_block_levels): Move to cfgexpand.c.
534         (insn_locators_initialize): Remove.
535         (pass_insn_locators_initialize): Remove.
536         (locations_locators_locs, locations_locators_vals): New static vars.
537         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
538         Likewise.
539         (insn_locators_alloc, insn_locators_finalize,
540         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
541         New functions.
542         (locator_location): New.
543         (locator_line, locator_file): Rewrite.
544         * rtl.h (emit_line_note): Kill.
545         (insn_locators_alloc, insn_locators_finalize,
546         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
547         Declare.
548         * tree-inline.c (initialize_cfun): Do not initialize
549         ib_boundaries_block.
550         * passes.c (pass_insn_locators_initialize): Remove.
551
552 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
553
554         * tree-cfg.c (move_block_to_fn): Release bb from dominance
555         info.  Update last_basic_block correctly.
556
557 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
558
559         PR target/31701
560         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
561         register itself to hold the offset constant.  Tell flow the use
562         of r4 and r5 when they are used.
563
564 2007-04-27  Richard Guenther  <rguenther@suse.de>
565
566         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
567         if we simplified anything.
568         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
569         warnings until we did a simplification and the stmt was not
570         marked as TREE_NO_WARNING.
571
572 2007-04-27  Mike Stump  <mrs@apple.com>
573
574         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
575
576 2007-04-27  Ian Lance Taylor  <iant@google.com>
577
578         PR middle-end/31710
579         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
580         TYPE_MAX_VALUE exist, convert them to the new type.
581
582 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
583
584         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
585         if it claims to be available.
586         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
587         edge is redirected.
588         (perform_tree_ssa_dce): Always free postdominators.
589
590 2007-04-27  Richard Henderson  <rth@redhat.com>
591
592         * config/alpha/predicates.md (aligned_memory_operand): Mark
593         as define_special_predicate.
594         (unaligned_memory_operand, normal_memory_operand): Likewise.
595         (reg_or_unaligned_mem_operand): Remove.
596         (any_memory_operand): Match the documentation and check for
597         non-renumbered pseudos during reload.
598         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
599         alpha_secondary_reload_class, update to new interface, make static.
600         Handle CQImode like HImode.  Remove FP subreg check.
601         (alpha_expand_mov): Use replace_equiv_address.
602         (alpha_expand_mov_nobwx): Use any_memory_operand.
603         (TARGET_SECONDARY_RELOAD): New.
604         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
605         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
606         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
607         * config/alpha/alpha.md: ... here.
608         (RELOAD12, reloadmode): New.
609         (movcqi): New.
610         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
611         Don't handle the aligned case here.
612         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
613         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
614         reload_inhi_help.  Don't expect a scratch register.
615         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
616         reload_outhi_help.
617         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
618
619 2007-04-27  Richard Guenther  <rguenther@suse.de>
620
621         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
622
623 2007-04-27  Richard Guenther  <rguenther@suse.de>
624
625         PR tree-optimization/30965
626         PR tree-optimization/30978
627         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
628         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
629         (find_equivalent_equality_comparison): Likewise.
630         (simplify_cond): Likewise.
631         (get_prop_source_stmt): New helper.
632         (get_prop_dest_stmt): Likewise.
633         (can_propagate_from): Likewise.
634         (remove_prop_source_from_use): Likewise.
635         (combine_cond_expr_cond): Likewise.
636         (forward_propagate_comparison): New function.
637         (forward_propagate_into_cond): Rewrite to use fold for
638         tree combining.
639         (tree_ssa_forward_propagate_single_use_vars): Call
640         forward_propagate_comparison to propagate comparisons.
641
642 2007-04-27  Richard Guenther  <rguenther@suse.de>
643
644         PR tree-optimization/31715
645         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
646         sure to do computation on the offset in an appropriate
647         signed type.
648
649 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
650
651         * reload.h (elimination_target_reg_p): Declare.
652         * reload.c (find_reloads): Don't apply the reg_rtx move
653         optimization if the SET_DEST satisfies elimination_target_reg_p.
654         * reload1.c (elimination_target_reg_p): New function.
655         (gen_reload): In the move/add2 fallback, make sure that op0
656         does not overlap the destination register.
657
658 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
659
660         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
661         transform only GIMPLE_MODIFY_STMTs.
662         * tree-complex.c (expand_complex_operations_1): Ditto.
663         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
664         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
665         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
666         branches.
667         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
668         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
669         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
670         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
671         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
672         slpeel_add_loop_guard): Ditto.
673         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
674         * lambda-code.c (perfect_nestify): Ditto.
675         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
676         before the first statement.
677         * tree-optimize.c (execute_free_datastructures): Fix comments.
678         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
679         * tree-flow.h (disband_implicit_edges): Declaration removed.
680         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
681         branches.
682         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
683         without gotos.
684         (disband_implicit_edges, has_label_p): Removed.
685         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
686         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
687         branches.
688         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
689         side effects.
690         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
691         also for COND_EXPRs.
692         * cfgexpand.c (label_rtx_for_bb): New function.
693         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
694         Use label_rtx_for_bb to find the labels.
695         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
696         last block.  Detect fallthru edges.
697
698 2007-04-26  Ian Lance Taylor  <iant@google.com>
699
700         PR target/28675
701         * reload.c (find_reloads_subreg_address): If the address was valid
702         in the original mode but not in the new mode, reload the whole
703         address.
704
705 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
706
707         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
708         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
709         (cleanup_control_expr_graph): Do not invalidate dominance info.
710         Record altered blocks.
711         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
712         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
713         cleanup_tree_cfg_bb): New functions.
714         (remove_forwarder_block): Do not maintain the worklist of blocks.
715         Record altered blocks.
716         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
717         not over whole cfg.
718         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
719         delete_unreachable_blocks if dominators are not available.
720         * tree-inline.c (optimize_inline_calls): Free dominance information
721         earlier.
722         * tree-flow.h (remove_edge_and_dominated_blocks,
723         cfgcleanup_altered_bbs): Altered.
724         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
725         blocks.
726         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
727         functions.
728         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
729         do not invalidate dominators.
730
731 2007-04-26  Anatoly Sokolov <aesok@post.ru>
732
733         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
734         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
735         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
736         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
737
738 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
739
740         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
741
742 2007-04-26  Richard Guenther  <rguenther@suse.de>
743
744         PR tree-optimization/31703
745         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
746         the right type for the target of the bittest.
747
748 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
749
750         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
751         ix86_sol10_return_in_memory.
752
753 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
754
755         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
756         variables.
757
758 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
759
760         PR c++/31598
761         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
762
763         PR tree-optimization/30558
764         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
765         clear this_state.prev_try.
766
767 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
768             Mark Mitchell  <mark@codesourcery.com>
769
770         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
771         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
772         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
773
774 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
775
776         PR driver/31107
777         * doc/invoke.texi (%:print-asm-header): Document.
778         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
779         and -ftarget-help.
780         (static_spec_functions): Add print-asm-header.
781         (main): Print a banner before the --target-help linker options.
782         (print_asm_header_spec_function): New function.
783
784 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
785
786         PR target/31403
787         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
788         (movsf_ie): Likewise.
789
790 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
791
792         * doc/extend.texi ([Type Traits]): Adjust per N2255.
793
794 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
795
796         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
797         for divide-by-zero.
798         (__umodsi3, __modsi3): Likewise.
799
800 2007-04-25  Dirk Mueller  <dmueller@suse.de>
801
802         * c-typeck.c (build_compound_expr): Annotate warning()
803         call with OPT_Wunused_value.
804         * tree-ssa.c (warn_uninit): Annotate warning with
805         OPT_Wunintialized.
806         * c-common.c (handle_sentinel_attribute): Annotate warning
807         call with OPT_Wattributes.
808
809 2007-04-25  Thiemo Seufer  <ths@mips.com>
810
811         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
812         (mips16): Fix typo.
813         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
814         on to the assembler.  Improve handling of -mno-mips16.  Add handling
815         of -mno-mips3d, -mno-dsp, -mno-dspr2.
816         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
817         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
818         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
819
820 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
821
822         PR target/31680
823         * config/i386/winnt.c (i386_pe_file_end): Strip only
824         USER_LABEL_PREFIX when writing export name.
825
826 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
827
828         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
829         sh/elf.h, vx-common.h and vxworks.h.
830         * config/sh/sh.h: Include config/vxworks-dummy.h.
831         (SUBTARGET_OVERRIDE_OPTIONS): Define.
832         (OVERRIDE_OPTIONS): Use it.
833         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
834         (vxworks_picreg): New pattern.
835         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
836         VXWORKS_OS_CPP_BUILTINS.
837         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
838         to their VXWORKS_* equivalents.
839         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
840         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
841         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
842         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
843         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
844         -mrtp/-fPIC multilibs.
845         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
846         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
847         (MULTILIB_OSDIRNAMES): Delete.
848
849 2007-04-25  Anatoly Sokolov <aesok@post.ru>
850
851         PR target/18989
852         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
853
854 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
855
856         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
857         rounding mode to be specified by the caller.
858         (real_to_mpfr) Likewise.
859         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
860         include new arguments.
861         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
862
863 2007-04-24  Ian Lance Taylor  <iant@google.com>
864
865         PR tree-optimization/31605
866         * tree-vrp.c (set_value_range): Check that min and max are not
867         both overflow infinities.
868         (set_value_range_to_value): New static function.
869         (extract_range_from_binary_expr): Call set_value_range_to_value.
870         (extract_range_from_cond_expr): Likewise.
871         (extract_range_from_expr): Likewise.
872         (extract_range_from_unary_expr): Likewise.  Don't create a range
873         which overflows on both sides.
874         (vrp_meet): Check for a useless range.
875         (vrp_visit_phi_node): If we see a constant which looks like an
876         overflow infinity, turn off the TREE_OVERFLOW flag.
877
878 2007-04-24  Ian Lance Taylor  <iant@google.com>
879
880         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
881
882 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
883
884         PR diagnostic/25923
885         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
886         diagnostic message is being built.
887         * tree-pretty-print.c (dump_generic_node): Only write the
888         formatted text into BUFFER's stream if we are not building a
889         diagnostic message.
890         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
891         dump_generic_node.
892         * Makefile.in (toplev.o): Depend on tree-pass.h.
893
894 2007-04-24  Ian Lance Taylor  <iant@google.com>
895
896         PR tree-optimization/31602
897         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
898         conditionals in the copied loop header.
899         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
900         warnings if TREE_NO_WARNING is set.
901         * doc/invoke.texi (Warning Options): Clarify that
902         -Wstrict-overflow does not warn about loops.
903
904 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
905
906         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
907         expand on the comment about _Decimal128 arguments and check the
908         integer result of the modulus operation; for 64-bit ELF ABI, ensure
909         that _Decimal128 argument uses even/odd register pair.
910         (function_arg): Ditto.
911
912 2007-04-24  Hui-May Chang <hm.chang@apple.com>
913
914         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
915         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
916
917 2007-04-24  Richard Guenther  <rguenther@suse.de>
918             Olga Golovanevsky  <olga@il.ibm.com>
919
920         * fold-const.c (multiple_of_p): Check for bottom
921         to be zero.
922
923 2007-04-24  Richard Henderson  <rth@redhat.com>
924
925         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
926         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
927         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
928         looking for non-zero bits shifted out.  Avoid a recursive call
929         when constructing the scalar.
930         (__floatundisf): Likewise.
931
932 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
933
934         * dwarf2out.c (field_byte_offset): Move the existing logic
935         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
936         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
937
938 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
939
940         PR target/31641
941         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
942         argument of 0 for memset.
943         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
944         unsigned shift instead of the signed variant.
945
946 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
947
948         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
949         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
950         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
951         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
952         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
953         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
954         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
955         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
956         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
957         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
958         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
959         "mul<mode>3", "div<mode>3"): Insn definitions added.
960         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
961         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
962         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
963         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
964         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
965         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
966         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
967         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
968         TARGET_FLOAT_FORMAT): Macro definitions removed.
969         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
970         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
971         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
972         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
973         (s390_gen_rtx_const_DI): Function removed.
974         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
975
976 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
977
978         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
979         over an external ffs function.
980
981 2007-04-24  Chao-ying Fu  <fu@mips.com>
982             Richard Sandiford  <richard@nildram.co.uk>
983
984         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
985         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
986         (smadd_widen_optab, umadd_widen_optab): Define.
987         * optabs.c (init_optabs): Initialize smadd_widen_optab and
988         umadd_widen_optab.
989         * genopinit.c (optabs): Fill in smadd_widen_optab and
990         umadd_widen_optab.
991         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
992         and umadd_widen_optab to implement multiply-add sequences.
993         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
994         (<u>maddsidi4): ...this.  Extend condition to include
995         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
996         of operand 0 to "ka" and use the three-operand form of madd<u>
997         for TARGET_DSPR2.
998         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
999         to define_expands.
1000         * config/mips/constraints.md (ka): New register constraint.
1001
1002 2007-04-24  Jan Hubicka  <j@suse.cz>
1003
1004         Revert:
1005
1006         2007-04-23  Jan Hubicka  <jh@suse.cz>
1007         * function.c (init_function_start): Don't init line number info.
1008         (expand_function_end): Update.
1009         (reset_block_changes, record_block_change, finalize_block_changes,
1010         check_block_change, free_block_changes): Kill.
1011         * function.h (reset_block_changes, record_block_change,
1012         finalize_block_changes, check_block_change, free_block_changes): Remove
1013         prototypes.
1014         (struct function): Remove ib_boundaries_block.
1015         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1016         Use curr_insn_locator to initialize locator.
1017         (emit_line_note): Remove.
1018         * cfgexpand.c (expand_gimple_cond_expr): Update.
1019         (construct_exit_block): Likewise.
1020         (tree_expand_cfg): Initialize/finalize locators.
1021         * expr.c (expand_expr_real): Update.
1022         * cfglayout.c (line_locators_locs, line_locators_lines,
1023         file_locators_locs, file_locators_files): Remove.
1024         (set_block_levels): Move to cfgexpand.c.
1025         (insn_locators_initialize): Remove.
1026         (pass_insn_locators_initialize): Remove.
1027         (locations_locators_locs, locations_locators_vals): New static vars.
1028         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1029         Likewise.
1030         (insn_locators_alloc, insn_locators_finalize,
1031         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1032         New functions.
1033         (locator_location): New.
1034         (locator_line, locator_file): Rewrite.
1035         * rtl.h (emit_line_note): Kill.
1036         (insn_locators_alloc, insn_locators_finalize,
1037         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1038         Declare.
1039         * tree-inline.c (initialize_cfun): Do not initialize
1040         ib_boundaries_block.
1041         * passes.c (pass_insn_locators_initialize): Remove.
1042
1043 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
1044
1045         * doc/invoke.texi: Removed leading '-' from option index entries.
1046
1047 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1048
1049         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
1050         Use phi_nodes_ptr.
1051         (create_phi_node): Use set_phi_nodes.
1052         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
1053         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
1054         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
1055         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
1056         (bsi_start, bsi_last): Use bb_stmt_list.
1057         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
1058         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
1059         Traverse the statements using tsi iterator.
1060         * basic-block.h (struct basic_block_def): Fields stmt_list
1061         and phi_nodes moved to ...
1062         (struct tree_bb_info): ... new structure.
1063         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
1064         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
1065         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
1066         (tree_verify_flow_info): Verify that il.tree is not set for
1067         entry and exit block.
1068         (tree_split_block): Use set_bb_stmt_list.
1069
1070 2007-04-23  Mike Stump  <mrs@apple.com>
1071
1072         * config/i386/i386.c (ix86_tune_features
1073         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
1074         nocona and core2.
1075
1076 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1077
1078         * config/i386/i386.md (prefix_extra): New attribute.
1079         (length): Add prefix_extra.
1080
1081         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
1082         (sse2_movntv2di): Likewise.
1083         (sse2_cvtps2dq): Likewise.
1084         (sse2_cvtpd2pi): Likewise.
1085         (sse2_cvttpd2pi): Likewise.
1086         (*sse2_cvtpd2ps): Likewise.
1087         (*add<mode>3): Likewise.
1088         (sse2_ssadd<mode>3): Likewise.
1089         (sse2_usadd<mode>3): Likewise.
1090         (*sub<mode>3): Likewise.
1091         (sse2_sssub<mode>3): Likewise.
1092         (sse2_ussub<mode>3): Likewise.
1093         (*mulv8hi3): Likewise.
1094         (*smulv8hi3_highpart): Likewise.
1095         (*umulv8hi3_highpart): Likewise.
1096         (sse2_umulv2siv2di3): Likewise.
1097         (sse2_pmaddwd): Likewise.
1098         (ashr<mode>3): Likewise.
1099         (lshr<mode>3): Likewise.
1100         (ashl<mode>3): Likewise.
1101         (sse2_ashlti3): Likewise.
1102         (sse2_lshrti3): Likewise.
1103         (*umaxv16qi3): Likewise.
1104         (*smaxv8hi3): Likewise.
1105         (*uminv16qi3): Likewise.
1106         (*sminv8hi3): Likewise.
1107         (sse2_eq<mode>3): Likewise.
1108         (sse2_gt<mode>3): Likewise.
1109         (*and<mode>3): Likewise.
1110         (sse2_nand<mode>3): Likewise.
1111         (*ior<mode>3): Likewise.
1112         (*xor<mode>3): Likewise.
1113         (sse2_packsswb): Likewise.
1114         (sse2_packssdw): Likewise.
1115         (sse2_packuswb): Likewise.
1116         (sse2_punpckhbw): Likewise.
1117         (sse2_punpcklbw): Likewise.
1118         (sse2_punpckhwd): Likewise.
1119         (sse2_punpcklwd): Likewise.
1120         (sse2_punpckhdq): Likewise.
1121         (sse2_punpckldq): Likewise.
1122         (sse2_punpckhqdq): Likewise.
1123         (sse2_punpcklqdq): Likewise.
1124         (*sse2_pinsrw): Likewise.
1125         (*sse2_pextrw): Likewise.
1126         (sse2_pshufd_1): Likewise.
1127         (sse2_uavgv16qi3): Likewise.
1128         (sse2_uavgv8hi3): Likewise.
1129         (sse2_psadbw): Likewise.
1130         (sse2_pmovmskb): Likewise.
1131         (*sse2_maskmovdqu): Likewise.
1132         (*sse2_maskmovdqu_rex64): Likewise.
1133         (sse4a_extrqi): Likewise.
1134         (sse4a_extrq): Likewise.
1135         (sse3_lddqu): Set prefix_rep.
1136         (sse3_addsubv4sf3): Likewise.
1137         (sse3_haddv4sf3): Likewise.
1138         (sse3_hsubv4sf3): Likewise.
1139         (sse_cvtss2si): Likewise.
1140         (sse_cvtss2si_2): Likewise.
1141         (sse_cvtss2siq): Likewise.
1142         (sse_cvtss2siq_2): Likewise.
1143         (sse_cvttss2si): Likewise.
1144         (sse_cvttss2siq): Likewise.
1145         (sse2_cvttps2dq): Likewise.
1146         (sse3_movshdup): Likewise.
1147         (sse3_movsldup): Likewise.
1148         (sse2_cvtsd2si): Likewise.
1149         (sse2_cvtsd2si_2): Likewise.
1150         (sse2_cvtsd2siq): Likewise.
1151         (sse2_cvtsd2siq_2): Likewise.
1152         (sse2_cvttsd2si): Likewise.
1153         (sse2_cvttsd2siq): Likewise.
1154         (*sse2_cvtpd2dq): Likewise.
1155         (*sse2_cvttpd2dq): Likewise.
1156         (sse2_pshuflw_1): Likewise.
1157         (sse2_pshufhw_1): Likewise.
1158         (sse4a_insertqi): Likewise.
1159         (sse4a_insertq): Likewise.
1160         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
1161         (ssse3_phadddv4si3): Likewise.
1162         (ssse3_phaddswv8hi3): Likewise.
1163         (ssse3_phsubwv8hi3): Likewise.
1164         (ssse3_phsubdv4si3): Likewise.
1165         (ssse3_phsubswv8hi3): Likewise.
1166         (ssse3_pmaddubswv8hi3): Likewise.
1167         (ssse3_pmulhrswv8hi3): Likewise.
1168         (ssse3_pshufbv16qi3): Likewise.
1169         (ssse3_psign<mode>3): Likewise.
1170         (ssse3_palignrti): Likewise.
1171         (abs<mode>2): Likewise.
1172         (ssse3_phaddwv4hi3): Set prefix_extra.
1173         (ssse3_phadddv2si3): Likewise.
1174         (ssse3_phaddswv4hi3): Likewise.
1175         (ssse3_phsubwv4hi3): Likewise.
1176         (ssse3_phsubdv2si3): Likewise.
1177         (ssse3_phsubswv4hi3): Likewise.
1178         (ssse3_pmaddubswv4hi3): Likewise.
1179         (ssse3_pmulhrswv4hi3): Likewise.
1180         (ssse3_pshufbv8qi3): Likewise.
1181         (ssse3_psign<mode>3): Likewise.
1182         (ssse3_palignrdi): Likewise.
1183         (abs<mode>2): Likewise.
1184         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
1185         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
1186         (sse2_pmovmskb): Set mode to SI instead of V2DF.
1187
1188 2007-04-23  Nick Clifton  <nickc@redhat.com>
1189
1190         * params.def: Fix formatting of emacs local variables.
1191
1192 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1193
1194         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
1195         move if inter-unit move isn't allowed.
1196         Don't split moving the first element of V2DI to DI to inter-unit
1197         move if inter-unit move isn't allowed.
1198
1199 2007-04-23  Richard Guenther  <rguenther@suse.de>
1200
1201         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
1202         and CDI_POST_DOMINATORS separately.
1203
1204 2007-04-23  Nick Clifton  <nickc@redhat.com>
1205
1206         * c.opt (Wformat-contains-nul): Add warning attribute.
1207
1208 2007-04-23  Jan Hubicka  <jh@suse.cz>
1209
1210         * function.c (init_function_start): Don't init line number info.
1211         (expand_function_end): Update.
1212         (reset_block_changes, record_block_change, finalize_block_changes,
1213         check_block_change, free_block_changes): Kill.
1214         * function.h (reset_block_changes, record_block_change,
1215         finalize_block_changes, check_block_change, free_block_changes): Remove
1216         prototypes.
1217         (struct function): Remove ib_boundaries_block.
1218         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1219         Use curr_insn_locator to initialize locator.
1220         (emit_line_note): Remove.
1221         * cfgexpand.c (expand_gimple_cond_expr): Update.
1222         (construct_exit_block): Likewise.
1223         (tree_expand_cfg): Initialize/finalize locators.
1224         * expr.c (expand_expr_real): Update.
1225         * cfglayout.c (line_locators_locs, line_locators_lines,
1226         file_locators_locs, file_locators_files): Remove.
1227         (set_block_levels): Move to cfgexpand.c.
1228         (insn_locators_initialize): Remove.
1229         (pass_insn_locators_initialize): Remove.
1230         (locations_locators_locs, locations_locators_vals): New static vars.
1231         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1232         Likewise.
1233         (insn_locators_alloc, insn_locators_finalize,
1234         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1235         New functions.
1236         (locator_location): New.
1237         (locator_line, locator_file): Rewrite.
1238         * rtl.h (emit_line_note): Kill.
1239         (insn_locators_alloc, insn_locators_finalize,
1240         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1241         Declare.
1242         * tree-inline.c (initialize_cfun): Do not initialize
1243         ib_boundaries_block.
1244         * passes.c (pass_insn_locators_initialize): Remove.
1245
1246 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1247
1248         PR middle-end/31448
1249         * expr.c (reduce_to_bit_field_precision): Handle
1250         CONST_INT rtx's.
1251
1252 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
1253
1254         PR tree-optimization/24659
1255         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
1256         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
1257         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
1258         * genopinit.c (optabs): Rename vec_pack_mod_optab
1259         to vec_pack_trunc_optab.
1260         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
1261         early for scalar floating point operands for NOP_EXPR.
1262         (vectorizable_type_promotion): Ditto.
1263         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
1264         vec_pack_trunc_optab.
1265         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
1266
1267         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
1268         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
1269         Rename from VEC_PACK_MOD_EXPR.
1270         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
1271         * expr.c (expand_expr_real_1): Ditto.
1272         * tree-inline.c (estimate_num_insns_1): Ditto.
1273         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1274
1275         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
1276         (vec_unpacks_lo_v4sf): Ditto.
1277         (vec_pack_trunc_v2df): Ditto.
1278         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
1279         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1280         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
1281
1282         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
1283         vec_pack_mod_v8hi.
1284         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1285
1286         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
1287         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
1288         packing of floating point operands.
1289         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
1290         represent unpacking of floating point operands.
1291         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
1292         [vec_unpacks_hi]: Ditto.
1293         [vec_unpacks_lo]: Ditto.
1294
1295 2007-04-22  Jan Hubicka  <jh@suse.cz>
1296
1297         * final.c (rest_of_handle_final): Call
1298         targetm.asm_out.constructor/targetm.asm_out.destructor
1299         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
1300         proper priority via decl_*_priority_insert.
1301         * c-common.c (c_expand_body): Likewise.
1302
1303 2007-04-22  Richard Guenther  <rguenther@suse.de>
1304
1305         PR tree-optimization/29789
1306         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
1307         (rewrite_reciprocal): New helper split out from
1308         determine_invariantness_stmt.
1309         (rewrite_bittest): Likewise.
1310         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1311         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1312         is not.
1313
1314 2007-04-22  Revital Eres  <eres@il.ibm.com>
1315
1316         * loop-unroll.c (var_to_expand): New field to support also
1317         insns of the form x = something + x.
1318         (analyze_insn_to_expand_var): Use it.
1319         (expand_var_during_unrolling): Likewise.
1320
1321 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1322
1323         * predict.c: Include pointer-set.h.
1324         (bb_predictions): New variable.
1325         (tree_predicted_by_p, tree_predict_edge,
1326         remove_predictions_associated_with_edge): Use bb_predictions map
1327         instead of bb->predictions.
1328         (clear_bb_predictions, assert_is_empty): New functions.
1329         (combine_predictions_for_bb): Use bb_predictions map.  Call
1330         clear_bb_predictions.
1331         (tree_estimate_probability): Create and free bb_predictions map.
1332         * Makefile.in (predict.o): Add pointer-set.h dependency.
1333         * basic-block.h (struct basic_block_def): Remove predictions
1334         field.
1335         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1336
1337 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1338
1339         PR target/31480
1340         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1341         is null.
1342
1343 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1344
1345         * timevar.c (timevar_print): Change reference of --disable-checking to
1346         --enable-checking=release.  Also warn if assert checking is disabled.
1347
1348 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1349
1350         PR C/30265
1351         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
1352         decl as addressable if the compound literal was marked as
1353         addressable.
1354         Mark the decl as a gimple register if it is a complex or
1355         vector decl and does not live in memory.
1356
1357 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1358
1359         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
1360         (GENERIC_NEXT): New function macro.
1361         (PHI_CHAIN): Use phi_node's new chain variable.
1362         (tree_phi_node): Change tree_common to tree_base
1363         and add the chain field.
1364         * tree-phinodes.c (make_phi_node): Don't set
1365         TREE_TYPE on the new node.
1366         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
1367         instead of checking GIMPLE_TUPLE_P in chain_next.
1368         * tree-vect-transform.c
1369         (get_initial_def_for_induction): Look at
1370         PHI_RESULT_TREE for the type of the phi node.
1371         (update_vuses_to_preheader): Use PHI_CHAIN
1372         instead of TREE_CHAIN on the phi node.
1373         * tree-ssa-structalias.c (compute_points_to_sets):
1374         Likewise.
1375         (ipa_pta_execute): Likewise.
1376
1377 2007-04-21  Richard Guenther  <rguenther@suse.de>
1378
1379         PR middle-end/31136
1380         * fold-const.c (fold_unary): Call fold_convert_const on the
1381         original tree.
1382
1383 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
1384
1385         * gcse.c (store_killed_in_insn): Handle PARALLELs.
1386         (store_killed_in_pat): New.
1387
1388 2007-04-20  Richard Henderson  <rth@redhat.com>
1389
1390         PR target/31628
1391         * config/i386/i386.c (type_has_variadic_args_p): Look for any
1392         TREE_LIST with a void_type_node value, not void_list_node exactly.
1393
1394 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
1395
1396         * doc/standards.texi: Re-arrange into language-specific
1397         subsections. Add a C++ section, documenting which standards we
1398         support.
1399
1400 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1401
1402         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
1403         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
1404
1405 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
1406
1407         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
1408         ecrti.o and crtbegin.o.
1409         (LIB_DEFAULT_SPEC): Include -lc.
1410         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
1411
1412 2007-04-20  Richard Henderson  <rth@redhat.com>
1413
1414         PR target/28623
1415         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
1416         argument; update all callers.
1417         (get_unaligned_offset): New.
1418         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
1419         get_unaligned_address, just pass on the address directly.
1420         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
1421         the subreg in the helper patterns.
1422         (unaligned_extendqidi_le): Use get_unaligned_offset.
1423         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
1424         (unaligned_extendhidi_be): Likewise.
1425         (unaligned_extendhidi): Tidy.
1426         * config/alpha/alpha-protos.h: Update.
1427
1428 2007-04-20  Richard Henderson  <rth@redhat.com>
1429
1430         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
1431         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
1432         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
1433         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1434         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1435         (CPP_SPEC): Don't include %(cpp_subtarget).
1436         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
1437         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1438         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
1439
1440 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
1441
1442         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
1443         for __builtin_ia32_cmpordss.
1444
1445         PR tree-optimization/31632
1446         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1447         and arg1 for optimizations of comparison against min/max values.
1448         Fold arg0 to arg1's type for optimizations of comparison against
1449         min+1 and max-1 values.
1450
1451 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1452
1453         * reload.c (combine_reloads): When trying to use a dying register,
1454         check whether it's uninitialized and don't use if so.
1455
1456 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
1457
1458         * fold-const.c: Remove prototypes for native_encode_expr and
1459         native_interpret_expr.
1460         (native_encode_expr): Make non-static.
1461         (native_interpret_expr): Likewise.
1462         * tree.h: Add prototypes for the above.
1463
1464 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1465
1466         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
1467         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
1468         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
1469         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
1470         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
1471         Add length attributes.
1472
1473 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
1474
1475         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
1476         not that it is 1.
1477
1478         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
1479         __STDC_WANT_DEC_FP__.
1480
1481 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1482
1483         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
1484         for long double compatibility.
1485         * configure: Regenerate.
1486
1487 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1488
1489         PR rtl-optimization/29841
1490         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
1491         trap instructions.
1492         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
1493         that may cause control flow transfer from being moved.
1494
1495 2007-04-18  Jan Hubicka  <jh@suse.cz>
1496
1497         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
1498         types.
1499
1500 2007-04-18  Eric Christopher  <echristo@apple.com>
1501
1502         * config/rs6000/darwin.md (load_macho_picbase): Use link register
1503         only. Update operands.
1504         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
1505         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
1506         link register to pic register.
1507
1508 2007-04-18  Dirk Mueller  <dmueller@suse.de>
1509
1510         PR diagnostic/31227
1511         * tree-vrp.c (search_for_addr_array): New.
1512         (check_array_bounds): Suppress warning about
1513         address taken of array refs if its not de-referenced.
1514
1515 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1516
1517         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
1518         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
1519
1520         * tree-vectorizer.h (NITERS_KNOWN_P): New.
1521         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
1522         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
1523
1524         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
1525         dump print.
1526         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
1527         print message.
1528         (vect_analyze_scalar_cycles): Fix indentation.
1529         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
1530         (vect_mark_relevant): Include phis in relevance analysis.
1531
1532         * tree-vect-transform.c (vect_transform_loop): Add an assert.
1533
1534 2007-04-18  Anatoly Sokolov <aesok@post.ru>
1535
1536         * config/avr/avr.c (ptrreg_to_str): Replace error() with
1537         output_operand_lossage().
1538
1539 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1540
1541         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
1542         the unused code for reduction without adjust-in-epilog to simplify the
1543         function.
1544
1545 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
1546
1547         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
1548         (S390_TDC_NEGATIVE_ZERO): New constant.
1549         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
1550         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
1551         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
1552         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
1553         (S390_TDC_POSITIVE_INFINITY): New constant.
1554         (S390_TDC_NEGATIVE_INFINITY): New constant.
1555         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1556         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1557         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1558         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1559         (S390_TDC_INFINITY): New constant.
1560         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1561         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1562         optimization for UNSPEC_CCZ_TO_INT.
1563         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1564         ("*ccz_to_int"): New insn.
1565         ("isinf<mode>2"): New insn.
1566         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1567         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1568         (UNSPEC_CCZ_TO_INT): New constant.
1569
1570 2007-04-18  Richard Guenther  <rguenther@suse.de>
1571
1572         PR tree-optimization/19431
1573         PR tree-optimization/21463
1574         * tree-pass.h (pass_phiprop): Declare.
1575         * passes.c (init_optimization_passes): New phiprop pass.
1576         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1577         (phivn_valid_p): New helper function.
1578         (phiprop_insert_phi): Likewise.
1579         (propagate_with_phi): Likewise.
1580         (tree_ssa_phiprop): New propagator propagating loads
1581         through phi nodes if profitable.
1582
1583 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1584
1585         * tree-vect-analyze.c (process_use): New function.
1586         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1587         Check phis in all bbs.
1588         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1589         assert.
1590
1591 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1592
1593         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1594         we use REG_EQUAL.
1595
1596 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1597
1598         PR target/30483
1599         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1600         error().
1601
1602 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1603
1604         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1605         on "0".
1606         (sse_vmmulv4sf3): Likewise.
1607         (sse2_vmaddv2df3): Likewise.
1608         (sse2_vmmulv2df3): Likewise.
1609
1610 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
1611
1612         PR rtl-optimization/31360
1613         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1614         (target_reg_cost): New.
1615         (init_set_costs): Initialize target_reg_cost.  Add comments
1616         regarding the rationale of the costs.
1617         (global_cost_for_size): Renamed to...
1618         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
1619         of register pressure.
1620         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1621         estimate_reg_pressure_cost.  Add number of ivs.
1622         (determine_set_costs): Dump target_reg_cost.
1623         * loop-invariant.c (gain_for_invariant):  Use
1624         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
1625         (best_gain_for_invariant, find_invariants_to_move): Remove
1626         n_inv_uses.
1627         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1628         (target_reg_cost): Declare.
1629         (global_cost_for_size): Declaration removed.
1630         (estimate_reg_pressure_cost): Declare.
1631
1632 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
1633
1634         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
1635         regnos into even/odd register pairs.
1636         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
1637         TDmode similar to the other floating point modes.
1638         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
1639         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
1640         define_expand's.
1641         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
1642         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
1643         (movdd_hardfloat64): Use TARGET_MFPGPR.
1644
1645 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1646
1647         * reload1.c (delete_output_reload): Don't count output in n_inherited.
1648
1649         Revert
1650         2005-01-05  Richard Henderson  <rth@redhat.com>
1651         PR rtl-opt/10692
1652         * reload1.c (do_input_reload): Restrict the optimization deleteing
1653         a previous output reload to RELOAD_FOR_INPUT.
1654
1655 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
1656
1657         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
1658         induc_vec_info_type.
1659         (vectorizable_induction): New function declaration.
1660         * tree-vect-transform.c (get_initial_def_for_induction): No need to
1661         check if already vectorized.  Find first place in BB where new stmts
1662         can be inserted.  Takes only one argument.
1663         (vectorizable_induction): New function.
1664         (vect_transform_stmt): Add case for induc_vec_info_type to call
1665         vectorizable_induction.
1666         (vect_transform_loop): Consider phis for vectorization.
1667         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
1668         condition.
1669         (analyze_operations): Call vectorizable_induction when analyzing phis.
1670         Fix comment.
1671         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
1672         (vect_mark_relevant): Include phis in relevance analysis.
1673         (vect_mark_stmts_to_be_vectorize): Likewise.
1674         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
1675
1676 2007-04-16  Lawrence Crowl  <crowl@google.com>
1677
1678         * doc/invoke.texi (Debugging Options): Add documentation for the
1679         -femit-struct-debug options -femit-struct-debug-baseonly,
1680         -femit-struct-debug-reduced, and
1681         -femit-struct-debug-detailed[=...].
1682
1683         * c-opts.c (c_common_handle_option): Add
1684         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
1685         and OPT_femit_struct_debug_detailed_.
1686         * c.opt: Add specifications for
1687         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
1688         and -femit-struct-debug-detailed[=...].
1689         * opts.c (set_struct_debug_option): Parse the
1690         -femit-struct-debug-... options.
1691         * opts.c (matches_main_base, main_input_basename,
1692         main_input_baselength, base_of_path, matches_main_base): Add
1693         variables and functions to compare header base name to compilation
1694         unit base name.
1695         * opts.c (should_emit_struct_debug): Add to determine to emit a
1696         structure based on the option.
1697         (dump_struct_debug) Also disabled function to debug this
1698         function.
1699         * opts.c (handle_options): Save the base name of the
1700         compilation unit.
1701
1702         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
1703         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
1704         This hook indicates if a type is generic.  Set it by default
1705         to "never generic".
1706         * langhooks.h (struct lang_hooks_for_types): Add a new hook
1707         to determine if a struct type is generic or not.
1708         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
1709         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
1710         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
1711         with live C++ hook.
1712
1713         * flags.h (enum debug_info_usage): Add an enumeration to describe
1714         a program's use of a structure type.
1715         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
1716         to indicate the program's usage of the type.  Filter structs based
1717         on the -femit-struct-debug-... specification.
1718         (gen_type_die): Split into two routines, gen_type_die and
1719         gen_type_die_with_usage.  gen_type_die is now a wrapper
1720         that assumes direct usage.
1721         (gen_type_die_with_usage): Replace calls to gen_type_die
1722         with gen_type_die_with_usage adding the program usage of
1723         the referenced type.
1724         (dwarf2out_imported_module_or_decl): Suppress struct debug
1725         information using should_emit_struct_debug when appropriate.
1726
1727 2007-04-16  Ian Lance Taylor  <iant@google.com>
1728
1729         PR tree-optimization/31522
1730         * tree-vrp.c (vr_phi_edge_counts): New static variable.
1731         (vrp_initialize): Allocate vr_phi_edge_counts.
1732         (vrp_visit_phi_node): Don't push to infinity if we saw a new
1733         executable edge.  Drop test for all constants.
1734         (vrp_finalize): Free vrp_phi_edge_counts.
1735
1736         * doc/cpp.texi (Common Predefined Macros): Clarify description of
1737         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1738
1739         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
1740         predecessors at head rather than tail.
1741
1742 2007-04-16  Matthias Klose  <doko@debian.org>
1743
1744         * config/alpha/linux.h (CPP_SPEC): Define.
1745         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
1746
1747 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
1748
1749         * function.h: Remove sequence_stack extern declaration.
1750
1751 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1752
1753         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
1754         TARGET_FIDOA.
1755         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
1756         defined.
1757
1758 2007-04-16  Anatoly Sokolov <aesok@post.ru>
1759
1760         * config/avr/avr.c (avr_arch_types): Rearranging  array.
1761         (enum avr_arch): Add.
1762         (avr_mcu_types): Use avr_arch enumeration constants instead of
1763         numbers.
1764         * config/avr/avr.h (LINK_SPEC): Simplify.
1765
1766 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1767
1768         * config/m68k/m68k.c (m68k_libcall_value,
1769         m68k_function_value): Use macros for register names more.
1770
1771         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
1772         instead.
1773         (M68K_REGNAME): Use A6_REG.
1774         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
1775
1776 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1777
1778         PR middle-end/28071
1779         * sched-int.h (struct deps): Split field 'pending_lists_length' into
1780         'pending_read_list_length' and 'pending_write_list_length'.  Update
1781         comment.
1782         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
1783         to handle two length counters instead of one.  Update all uses.
1784         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
1785         two length counters instead of one.
1786         * sched-rgn.c (propagate_deps): Update to handle two length counters
1787         instead of one.
1788
1789 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
1790
1791         PR target/31582
1792         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
1793         copy of source, pass it to ix86_expand_vector_set and return
1794         it as target.
1795
1796 2007-04-16  David Ung  <davidu@mips.com>
1797             Joseph Myers  <joseph@codesourcery.com>
1798
1799         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
1800         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
1801         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1802         Add 74K processor information.
1803         * config/mips/mips.md: Include 74k.md.
1804         (cpu): Add 74kc,74kf,74kx.
1805         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
1806         * config/mips/74k.md: New.
1807         * doc/invoke.texi (MIPS Options): Document 74K support.
1808
1809 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
1810
1811         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
1812         vectorizable_* functions.
1813         * tree-vect-transform.c (vectorizable_call): Add check for
1814         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
1815         (vectorizable_store): likewise.
1816         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
1817         Add comments.
1818         (vectorizable_operation, vectorizable_type_demotion): Likewise.
1819         (vectorizable_type_promotion, vectorizable_load): Likewise.
1820         (vectorizable_live_operation, vectorizable_condition): Likewise.
1821         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
1822         STMT_VINFO_LIVE_P.
1823         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
1824
1825 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1826
1827         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
1828         register numbers more.
1829         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
1830         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
1831         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
1832         FUNCTION_VALUE_REGNO_P): Likewise.
1833         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
1834         STATIC_CHAIN_REGNUM): Likewise.
1835         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
1836         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
1837         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
1838         * config/m68k/m68k.md (FP_REG): New.
1839
1840 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1841
1842         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
1843         alignment on fido.
1844
1845 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1846
1847         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
1848         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
1849         comment typos.
1850
1851 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1852
1853         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
1854         cold loops.
1855
1856 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1857
1858         PR c/31520
1859         * c-decl.c (finish_decl): Grab the type of the decl after the call
1860         to store_init_value.
1861
1862 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
1863
1864         * common.opt (fforward-propagate): Fix "Optimization" annotation.
1865
1866 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
1867
1868         PR c++/25874
1869         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1870         post dominators and cleanup cfg before returning.
1871
1872 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
1873
1874         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
1875         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
1876
1877 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
1878
1879         * config.gcc: Recognize fido.
1880         * config/m68k/m68k-devices.def (fidoa): New.
1881         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
1882         __mfido__.
1883         (FL_FIDOA, TARGET_FIDOA): New.
1884         * config/m68k/m68k.opt (mfidoa): New.
1885
1886 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1887
1888         PR middle-end/31322
1889         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
1890         when a personality function is used.
1891
1892 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
1893
1894         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
1895
1896 2007-04-13  Mike Stump  <mrs@apple.com>
1897
1898         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
1899         we can...
1900         * config/darwin.opt (fapple-kext): Make C++ only.
1901         * config/darwin.c (darwin_override_options): Remove code to ensure
1902         -fapple-kext is given for C++ only.
1903
1904 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
1905
1906         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1907         * config/mips/mips.c (override_options): Call
1908         SUBTARGET_OVERRIDE_OPTIONS, if defined.
1909
1910 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1911
1912         * config/i386/i386.opt (msvr3-shlib): Removed.
1913
1914         * doc/invoke.texi: Remove -msvr3-shlib.
1915
1916 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1917
1918         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
1919         with "popcnt" instruction.
1920
1921 2007-04-13  Richard Guenther  <rguenther@suse.de>
1922
1923         PR tree-optimization/21258
1924         * tree-vrp.c (compare_case_labels): New helper.
1925         (find_switch_asserts): New function.
1926         (find_assert_locations): Call it for SWITCH_EXPRs.
1927
1928 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
1929
1930         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
1931         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
1932         check is now implied in X87_FLOAT_MODE_P.
1933         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1934         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1935         (fix_trunc<mode>_i386_fisttp): Ditto.
1936         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1937         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1938         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1939         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1940         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1941         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1942         (unnamed_splitters): Ditto.
1943         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
1944         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
1945         FIRST_SSE_REG for local functions when SSE math is enabled or
1946         for functions with sseregparm attribute.
1947         (standard_80387_constant_p): Return -1 if mode is not
1948         X87_FLOAT_MODE_P.
1949         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
1950         (ix86_expand_compare): Ditto.
1951         (ix86_expand_carry_flag_compare): Ditto.
1952         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
1953         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
1954         DECIMAL_FLOAT_MODE_P.
1955         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
1956         of SCALAR_FLOAT_MODE_P.
1957         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
1958         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
1959         checks before FLOAT_MODE_P.
1960         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
1961         before FLOAT_MODE_P.
1962         [DIV]: Ditto.
1963         [NEG]: Ditto.
1964         [ABS]: Ditto.
1965         [SQRT]: Ditto.
1966         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
1967
1968 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
1969             Charles Wilson  <libtool@cwilson.fastmail.fm>
1970
1971         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
1972         (libgcc.mvars): Don't depend on them.
1973         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
1974         * exec-tool.in: New.
1975
1976 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
1977
1978         * doc/invoke.text (--help): Document --help=common.
1979
1980 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
1981
1982         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
1983
1984 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1985
1986         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
1987         * genemit.c (main): Emit #include "integrate.h".
1988         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
1989         (LOADGP_RTP): New mips_loadgp_style.
1990         * config/mips/mips.h: Include config/vxworks-dummy.h.
1991         (TARGET_RTP_PIC): New macro.
1992         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
1993         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
1994         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
1995         for TARGET_RTP_PIC.
1996         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
1997         -mvxworks-pic when using -mrtp and a PIC option.
1998         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
1999         for RTP PIC.
2000         (mips_symbolic_constant_p, mips_symbolic_address_p)
2001         (mips_symbol_insns): Handle SYMBOL_HALF.
2002         (override_options): Warn about -G and -mrtp being used together.
2003         Initialize mips_lo_relocs[SYMBOL_HALF].
2004         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
2005         (mips_emit_loadgp): Handle LOADGP_RTP.
2006         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
2007         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
2008         (tablejump): Handle function-relative case table entries if
2009         TARGET_RTP_PIC.
2010         * config/mips/predicates.md (symbol_ref_operand): New predicate.
2011
2012 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2013
2014         * config/mips/mips.md (load_call<mode>): Allow any general register.
2015         destination.
2016         (sibcall_value_internal, sibcall_value_multiple_internal)
2017         (call_value_internal, call_value_split, call_value_multiple_internal)
2018         (call_value_multiple_split): Remove constraints from operand 0.
2019
2020 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2021
2022         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
2023         rather than loadgp_noshared.
2024         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
2025         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
2026         gen_loadgp.
2027         * config/mips/mips.md (loadgp): Rename to...
2028         (loadgp_newabi): ...this.
2029         (loadgp_noshared): Rename to...
2030         (loadgp_absolute): ...this.
2031
2032 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2033
2034         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
2035         false for locally-binding symbols.
2036         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
2037
2038 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2039
2040         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
2041         (SYMBOL_GOT_PAGE_OFST): ...this.
2042         (SYMBOL_GOT_GLOBAL): Rename to...
2043         (SYMBOL_GOT_DISP): ...this.
2044         (SYMBOL_GOTOFF_GLOBAL): Rename to...
2045         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
2046         * config/mips/mips.c (mips_global_symbol_p): New function.
2047         (mips_symbol_binds_local_p): Likewise.
2048         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
2049         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
2050         and mips_symbol_binds_local_p.
2051         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
2052         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
2053         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
2054         SYMBOL_GOTOFF_DISP.
2055         (mips_ok_for_lazy_binding_p): New function.
2056         (mips_load_call_address, mips_expand_call): Use it.
2057         (mips_dangerous_for_la25_p): Likewise.
2058         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
2059         (*got_disp<mode>): Use got_disp_operand instead of
2060         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
2061         SYMBOL_GOTOFF_GLOBAL.
2062         (*got_page<mode>): Use got_page_ofst_operand instead of
2063         local_got_operand.
2064         * config/mips/predicates.md (const_call_insn_operand): Use
2065         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
2066         (global_got_operand): Rename to...
2067         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
2068         SYMBOL_GOT_GLOBAL.
2069         (local_got_operand): Rename to...
2070         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
2071         of SYMBOL_GOT_LOCAL.
2072
2073 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2074
2075         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
2076         TARGET_CALL_CLOBBERED_GP.
2077         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2078         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
2079         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
2080         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
2081         of TARGET_ABICALLS && !TARGET_NEWABI.
2082         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2083         * config/mips/mips.c (mips_load_call_address): Check
2084         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2085         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2086         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2087         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
2088         TARGET_ABICALLS && TARGET_NEWABI.
2089         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
2090         TARGET_ABICALLS.
2091         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
2092         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
2093         TARGET_ABICALLS && TARGET_NEWABI.
2094         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
2095         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
2096         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
2097         whether indirect calls must use $25.
2098         (mips_extra_live_on_entry): Check TARGET_GOT instead of
2099         TARGET_ABICALLS.
2100         * config/mips/mips.md (jal_macro): Check flag_pic and
2101         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
2102         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
2103         instead of TARGET_ABICALLS.
2104         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
2105         TARGET_ABICALLS && TARGET_OLDABI.
2106         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2107         (sibcall): In the comment above the define_insn, mention
2108         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
2109         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
2110         instead of TARGET_ABICALLS.
2111
2112 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2113
2114         * doc/md.texi (Blackfin family constraints): Document PA and PB.
2115         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
2116         (MACFLAGS_MATCH_P): New macro.
2117         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
2118         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
2119         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
2120         the other MACFLAG constants.
2121         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
2122         (flag_machi): Tighten constraints.  Renumber some of the operands.
2123         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
2124         output template.
2125         (flag_machi_parts_acconly): New pattern.
2126         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
2127         used.
2128         (flag_macinit1hi): Tighten constraints.
2129         (flag_mul_macv2hi_parts_acconly): New pattern.
2130
2131         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
2132         Use a more efficient implementation.
2133         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
2134         inline sequences when not optimizing for size.
2135
2136         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
2137         movhi_high2low): Delete, merge functionality into...
2138         (packv2hi): ... this pattern.
2139
2140         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
2141         * config/bfin/bfin.opt (msim): New option.
2142         (mcpu=): New option.
2143         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
2144         (bfin_cpu_t): Typedef of enum bfin_cpu.
2145         (bfin_cpu_type): New declaration.
2146         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
2147         -msim and -mcpu= options.
2148         (LIB_SPEC): Likewise.
2149         * config/bfin/bfin.c (bfin_cpu_type): Define.
2150         (bfin_handle_option): Handle -mcpu= option.
2151         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
2152         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
2153         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
2154
2155 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2156
2157         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
2158         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
2159         (powerpc-wrs-vxworksae): Use ${tm_file}.
2160         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
2161         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
2162         * config/i386/vx-common.h: New file.
2163
2164 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2165
2166         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
2167         of crt0.o%s.
2168
2169 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2170
2171         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
2172         ldxtr.
2173
2174 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
2175
2176         PR c++/31078
2177         PR c++/31103
2178         * c-common.c (c_build_qualified_type): Set canonical type
2179         appropriately.
2180
2181 2007-04-12  Richard Guenther  <rguenther@suse.de>
2182
2183         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
2184         lower bound and element size if lower bound is not zero
2185         or either of the ARRAY_REF operands is set.
2186
2187 2007-04-12  Richard Guenther  <rguenther@suse.de>
2188
2189         PR tree-optimization/24689
2190         PR tree-optimization/31307
2191         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
2192         indices by value.
2193         * gimplify.c (canonicalize_addr_expr): To be consistent with
2194         gimplify_compound_lval only set operands two and three of
2195         ARRAY_REFs if they are not gimple_min_invariant.  This makes
2196         it never at this place.
2197         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
2198
2199 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2200
2201         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
2202         null before emitting a .nsubspa directive.
2203
2204 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2205
2206         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
2207         need_to_partition_p if there are no memory statements in the
2208         function.
2209
2210 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2211
2212         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
2213         (gcd_of_steps_may_divide_p): New function.
2214         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
2215
2216 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2217
2218         * reload.c (find_reloads_toplev, find_reloads_address,
2219         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
2220         not a pointer equality test, to decide if we need to call
2221         push_reg_equiv_alt_mem.
2222
2223 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
2224
2225         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
2226         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
2227         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
2228
2229 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2230
2231         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
2232         vector to be positive.
2233
2234 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2235
2236         PR 30735
2237         PR 31090
2238         * doc/invoke.texi: Document --params max-aliased-vops and
2239         avg-aliased-vops.
2240         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
2241         debug_memory_partitions): Move to tree-flow.h
2242         * params.h (AVG_ALIASED_VOPS): Define.
2243         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
2244         users.
2245         (mp_info_t): Likewise.
2246         (get_mem_sym_stats_for): New.
2247         (set_memory_partition): Move from tree-flow-inline.h.
2248         (mark_non_addressable): Only clear the set of symbols for the
2249         partition if it exists.
2250         (dump_memory_partitions): Move from tree-ssa-operands.c
2251         (debug_memory_partitions): Likewise.
2252         (need_to_partition_p): New.
2253         (dump_mem_ref_stats): New.
2254         (debug_mem_ref_stats): New.
2255         (dump_mem_sym_stats): New.
2256         (debug_mem_sym_stats): New.
2257         (update_mem_sym_stats_from_stmt): New.
2258         (compare_mp_info_entries): New.
2259         (mp_info_cmp): Call it.
2260         (sort_mp_info): Change argument to a list of mem_sym_stats_t
2261         objects.
2262         (get_mpt_for): Move from tree-ssa-operands.c.
2263         (find_partition_for): New.
2264         (create_partition_for): Remove.
2265         (estimate_vop_reduction): New.
2266         (update_reference_counts): New.
2267         (build_mp_info): New.
2268         (compute_memory_partitions): Refactor.
2269         Document new heuristic.
2270         Call build_mp_info, update_reference_counts,
2271         find_partition_for and estimate_vop_reduction.
2272         (compute_may_aliases): Populate virtual operands before
2273         calling debugging dumps.
2274         (delete_mem_sym_stats): New.
2275         (delete_mem_ref_stats): New.
2276         (init_mem_ref_stats): New.
2277         (init_alias_info): Call it.
2278         (maybe_create_global_var): Remove alias_info argument.
2279         Get number of call sites and number of pure/const call sites
2280         from gimple_mem_ref_stats().
2281         (dump_alias_info): Call dump_memory_partitions first.
2282         (dump_points_to_info_for): Show how many times a pointer has
2283         been dereferenced.
2284         * opts.c (decode_options): For -O2 set --param
2285         max-aliased-vops to 500.
2286         For -O3 set --param max-aliased-vops to 1000 and --param
2287         avg-aliased-vops to 3.
2288         * fortran/options.c (gfc_init_options): Remove assignment to
2289         MAX_ALIASED_VOPS.
2290         * tree-flow-inline.h (gimple_mem_ref_stats): New.
2291         * tree-dfa.c (dump_variable): Dump memory reference
2292         statistics.
2293         Dump NO_ALIAS* settings.
2294         (referenced_var_lookup): Tidy.
2295         (mem_sym_stats): New.
2296         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
2297         and ORIG are different SSA names for a memory partition.
2298         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
2299         * tree-flow.h (struct mem_sym_stats_d): Define.
2300         (mem_sym_stats_t): Define.
2301         (struct mem_ref_stats_d): Define.
2302         (struct gimple_df): Add field mem_ref_stats.
2303         (enum noalias_state): Define.
2304         (struct var_ann_d): Add bitfield noalias_state.
2305         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
2306         debug_mem_ref_stats, debug_memory_partitions,
2307         debug_mem_sym_stats): Declare.
2308         * tree-ssa-structalias.c (update_alias_info): Update call
2309         sites, pure/const call sites and asm sites in structure
2310         returned by gimple_mem_ref_stats.
2311         Remove local variable IS_POTENTIAL_DEREF.
2312         Increase NUM_DEREFS if the memory expression is a potential
2313         dereference.
2314         Call update_mem_sym_stats_from_stmt.
2315         If the memory references memory, call
2316         update_mem_sym_stats_from_stmt for all the direct memory
2317         symbol references found.
2318         (intra_create_variable_infos): Set noalias_state field for
2319         pointer arguments according to the value of
2320         flag_argument_noalias.
2321         * tree-ssa-structalias.h (struct alias_info): Remove fields
2322         num_calls_found and num_pure_const_calls_found.
2323         (update_mem_sym_stats_from_stmt): Declare.
2324         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2325         Set default value to 100.
2326         (PARAM_AVG_ALIASED_VOPS): Define.
2327
2328 2007-04-11  Richard Guenther  <rguenther@suse.de>
2329
2330         PR middle-end/31530
2331         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2332         a * -b + c as c - a * b if we honor sign dependent rounding.
2333
2334 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2335
2336         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2337         bfin_expand_strmov.
2338         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2339         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2340         variables.
2341         (initialize_trampoline): Don't use old-style function definition.
2342         (bfin_secondary_reload): Mark IN_P argument as unused.
2343
2344 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
2345
2346         PR tree-optimization/31343
2347         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2348         (build_polynomial_chrec): Return a scalar when the evolution is zero.
2349         * testsuite/gcc.dg/vect/pr31343.c: New.
2350
2351 2007-04-10  Eric Christopher  <echristo@apple.com>
2352
2353         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
2354         * config/i386/i386.md (*cmpfp0): Use.
2355         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2356         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2357         (fix_trunc<mode>_i386_fisttp): Ditto.
2358         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2359         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2360         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2361         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2362         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2363         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2364         (unnamed_splitters): Ditto.
2365         * config/i386/i386.c (output_fix_trunc): Assert that
2366         we're not being passed a TFmode operand.
2367
2368 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
2369
2370         PR tree-optimization/31526
2371         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
2372         n_basic_blocks to find newly added blocks.
2373
2374 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
2375
2376         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
2377         alternative.
2378         (fix_trunc<mode>si_sse): Ditto.
2379         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
2380         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
2381         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
2382         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
2383         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
2384         expander using SSEMODEF mode macro.
2385         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2386         expander using SSEMODEF mode macro.
2387         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2388         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2389         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2390         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2391         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2392         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2393         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2394         Macroize insn using X87MODEF mode macro.
2395
2396 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2397
2398         * config/i386/sse.md (sse2_pinsrw): Removed.
2399         (sse2_pextrw): Renamed to ...
2400         (*sse2_pextrw): This.
2401
2402 2007-04-09  Jan Hubicka  <jh@suse.cz>
2403
2404         PR target/27869
2405         * config/i386/sse.md
2406         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
2407         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
2408         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
2409         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
2410
2411 2007-04-09  Jan Hubicka  <jh@suse.cz>
2412
2413         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
2414         multiple fields of union.
2415
2416 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
2417
2418         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
2419         (create_preheaders): Check that loops are available.
2420         (fix_loop_structure): Clean up, improve comments.
2421         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
2422         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
2423         state flags.
2424         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
2425         * predict.c (tree_estimate_probability): Do not call
2426         calculate_dominance_info.  Call create_preheaders.
2427         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
2428         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
2429         flags.
2430         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
2431         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
2432         * tree-cfg.c (tree_split_edge): Make an assert more precise.
2433         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
2434         arguments.
2435
2436 2007-04-08  Jan Hubicka  <jh@suse.cz>
2437
2438         * tree.h (maybe_fold_offset_to_component_ref): Declare.
2439         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
2440         * fold-const.c (fold_unary): Use it.
2441
2442 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2443
2444         * varasm.c (assemble_variable): Remove call to
2445         lang_hooks.decls.prepare_assemble_variable.
2446         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
2447         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
2448         * langhooks.h (lang_hooks_for_decls): Remove
2449         prepare_assemble_variable.
2450
2451 2007-04-08  Mike Stump  <mrs@apple.com>
2452
2453         * config/i386/i386.c: Use inc/dec on Core2.
2454
2455 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
2456
2457         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
2458         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2459         lhd_tree_inlining_end_inlining): Remove.
2460         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
2461         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
2462         end_inlining hooks.
2463         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
2464         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2465         lhd_tree_inlining_end_inlining): Remove prototypes.
2466         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
2467         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2468         LANG_HOOKS_TREE_INLINING_START_INLINING,
2469         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
2470
2471         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
2472         not set it.
2473
2474 2007-04-08  Anatoly Sokolov <aesok@post.ru>
2475
2476         PR target/29932
2477         * config/avr/predicates.md (io_address_operand): Delete predicate.
2478         (low_io_address_operand): Don't use 'mode' argument.
2479         (higth_io_address_operand): Rename ...
2480         (high_io_address_operand): ... to this. Don't use 'mode' argument.
2481         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
2482         for above change.
2483
2484 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
2485
2486         Revert change removing staticp.
2487
2488 2007-04-07  Anatoly Sokolov <aesok@post.ru>
2489
2490         PR target/30289
2491         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
2492         earlyclobber.
2493
2494 2007-04-07  Bruce Korb  <bkorb@gnu.org>
2495
2496         * c.opt: Add -Wformat-contains-nul.
2497         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
2498           -Wformat setting.
2499         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
2500         the NUL byte warning.
2501
2502 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
2503
2504         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
2505
2506 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2507
2508         * tree.c (staticp): No longer use staticp langhook.
2509         * langhooks.c (lhd_staticp): Removed.
2510         * langhooks.h (struct lang_hooks): Remove staticp.
2511         * c-common.c (c_staticp): Remove.
2512         * c-common.h (c_staticp): Ditto.
2513         * langhooks-defs.h (lhd_staticp): Ditto.
2514         (LHD_HOOKS_STATICP): Ditto
2515         * tree.h (gcc_assert_lowered): New macro.
2516
2517 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2518
2519         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
2520         argument "reliable".
2521         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
2522         Add argument "reliable".  Propagate it through calls.
2523         (infer_loop_bounds_from_undefined):  Derive number of iterations
2524         estimates from references in blocks that do not dominate loop latch.
2525         (gcov_type_to_double_int): New function.
2526         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
2527         and expected_loop_iterations_unbounded.
2528         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
2529         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
2530         * tree-data-ref.c (estimated_loop_iterations): Export.
2531         (get_references_in_stmt): Fix -- do not return addresses of local
2532         objects.
2533         * cfgloop.h (expected_loop_iterations_unbounded,
2534         estimated_loop_iterations): Declare.
2535
2536 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
2537
2538         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2539
2540 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2541
2542         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
2543         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
2544         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
2545         Use output_387_reg_move().
2546         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
2547         expander using X87MODEF12 mode macro.
2548         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
2549         choosing register preferences.  Use output_387_reg_move().
2550         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
2551         instead of "x".  Use output_387_reg_move().
2552         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
2553         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
2554         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
2555         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
2556         Use output_387_reg_move().
2557         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2558         mode macro.
2559         (*truncxf?f_i387 splitter): Ditto.
2560
2561 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2562
2563         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2564         LANG_HOOKS_SAFE_FROM_P.
2565         * expr.c (safe_from_p): Remove langhook call.
2566         * langhooks.h (lang_hooks): Remove safe_from_p.
2567         (lhd_safe_from_p): Remove prototype.
2568         * langhooks.c (lhd_safe_from_p): Remove.
2569
2570 2007-04-06  Jan Hubicka  <jh@suse.cz>
2571
2572         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2573         functions.
2574
2575 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2576
2577         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2578         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2579         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2580         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2581         alternative.
2582         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2583         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2584
2585 2007-04-05  Richard Henderson  <rth@redhat.com>
2586
2587         * config/alpha/alpha.c (print_operand) [+]: Remove.
2588         (alpha_end_function): Print nop if call at end of function.
2589         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2590         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2591         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2592         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2593         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2594         the call pattern. Update peepholes to match.
2595
2596 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
2597
2598         * doc/extend.texi (Other Builtins): Add decimal float variants
2599         of signbit.
2600         * builtins.def: Ditto.
2601         * builtins.c (expand_builtin): Ditto.
2602
2603 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
2604             H.J. Lu  <hongjiu.lu@intel.com>
2605
2606         PR target/31478
2607         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2608         of V8HImode when calling ix86_binary_operator_ok.
2609         (sse2_pmaddwd): Call ix86_binary_operator_ok.
2610         (sdot_prodv8hi): Operands 1 and 2 must be register.
2611
2612 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2613
2614         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2615         initialize align to silence bogus warning.
2616
2617 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2618
2619         PR middle-end/22156
2620         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2621         all_no_warning.
2622         (struct sra_walk_fns): Remove use_all parameter from use.
2623         (sra_hash_tree): Handle BIT_FIELD_REFs.
2624         (sra_elt_hash): Don't hash bitfld blocks.
2625         (sra_elt_eq): Skip them in parent compares as well.  Handle
2626         BIT_FIELD_REFs.
2627         (sra_walk_expr): Don't maintain or pass down use_all_p.
2628         (scan_use): Remove use_all parameter.
2629         (scalarize_use): Likewise.  Re-expand assignment to
2630         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2631         output, and re-scalarize after output.  Don't mark anything
2632         for no warning.
2633         (scalarize_ldst): Adjust.
2634         (scalarize_walk_gimple_modify_statement): Likewise.
2635         (build_element_name_1): Handle BIT_FIELD_REFs.
2636         (instantiate_element): Don't warn for any element whose parent
2637         is used as a whole.
2638         (instantiate_missing_elements_1): Return the sra_elt.
2639         (canon_type_for_field): New.
2640         (try_instantiate_multiple_fields): New.
2641         (instantiate_missing_elemnts): Use them.
2642         (mark_no_warning): Removed.
2643         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2644         (REPLDUP, sra_build_elt_assignment): New.
2645         (generate_copy_inout): Use them.
2646         (generate_element_copy): Likewise.  Handle bitfld differences.
2647         (generate_element_zero): Don't recurse for blocks.  Use
2648         sra_build_elt_assignment.
2649         (generate_one_element_int): Take elt instead of var.  Use
2650         sra_build_elt_assignment.
2651         (generate_element_init_1): Adjust.
2652         (scalarize_use, scalarize_copy): Use REPLDUP.
2653         (scalarize_ldst): Move assert before dereference.
2654         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2655
2656 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2657
2658         * regmove.c: Fix unused variable warnings due to previous commit.
2659
2660 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2661
2662         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
2663         (regmove_bb_head): Remove.
2664         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
2665         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
2666         problems with fixup_match_1.
2667         Don't initialize/free regmove_bb_head.
2668
2669         (reg_is_remote_constant_p): If an insn is in the same basic block
2670         but not before INSN, consider it remote, too.
2671
2672 2007-04-05  Anatoly Sokolov <aesok@post.ru>
2673
2674         PR target/25448
2675         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
2676         DECL_ASSEMBLER_NAME, not the DECL_NAME.
2677
2678 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
2679
2680         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
2681         (CONDITIONAL_REGISTER_USAGE): Likewise.
2682
2683 2007-04-04  Richard Henderson  <rth@redhat.com>
2684
2685         * config/alpha/lib1funcs.asm: Remove unused file.
2686
2687 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2688
2689         PR other/31356
2690         * opts.c (print_specific_help): Fix --help=<language>
2691         header line.
2692         (common_handle_option): Support --help=common.
2693
2694 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2695
2696         PR other/31353
2697         * gcc.c (main): Do not run the linker if
2698         print_subprocess_help indicates that it shouldn't be
2699         run.
2700
2701 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2702
2703         PR doc/31355
2704         * doc/invoke.texi (--help=): Document <languages> value, fix
2705         formatting in tables of values.
2706
2707 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
2708
2709         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
2710         dllimport attribute of virtual methods.
2711
2712 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
2713
2714         * config/score/crti.asm: Change _bss_start to __bss_start.
2715         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
2716         (OUTGOING_REG_PARM_STACK_SPACE) update.
2717         * config/score/score.opt: add options to make backend support
2718         score5, score5u, score7 and score7d.
2719         * config/score/score.md: Likewise.
2720         * config/score/misc.md: Likewise.
2721         * config/score/mac.md: Likewise.
2722         * doc/invoke.texi: Likewise.
2723         * doc/md.texi: update constraints define.
2724
2725 2007-04-03  Richard Henderson  <rth@redhat.com>
2726
2727         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
2728         an appropriate type, use the mode instead.
2729
2730 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
2731
2732         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
2733         Set the default --with-arch setting to mips2.
2734         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
2735         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
2736         (MULTILIB_OSDIRNAMES): Delete.
2737         (MULTILIB_DIRNAMES): Define.
2738         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
2739         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
2740         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
2741         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
2742         VXWORKS_OS_CPP_BUILTINS.
2743         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
2744         (MIPS_DEBUGGING_INFO): Undefine.
2745         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
2746
2747 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
2748
2749         PR middle-end/30704
2750         * fold-const.c (native_encode_real): Encode real.c provided longs
2751         as a series of 32-bit native integers.
2752         (native_interpret_real): Interpret buffer as a series of 32-bit
2753         native integers.
2754
2755 2007-04-03  Richard Guenther  <rguenther@suse.de>
2756
2757         * genpreds.c (write_insn_constraint_len): Write function
2758         optimized for CONSTRAINT_LEN implementation.
2759         (write_tm_preds_h): Output insn_constraint_len inline and
2760         use it for CONSTRAINT_LEN.
2761         (write_insn_preds_c): Don't output insn_constraint_len.
2762         * doc/md.texi (define_register_constraint): Document multi-letter
2763         constraints shall have the same length if they start with the same
2764         letter.
2765
2766 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2767
2768         PR target/31175
2769         * config/i386/i386.md (isinf<mode>2): Expand only when
2770         TARGET_C99_FUNCTIONS is set.
2771
2772 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2773
2774         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
2775         (x86_64-*-linux*): Ditto.
2776         * config/i386/i386.opt (mpc): New option.
2777         * config/i386/i386.c (overrride_options): Handle
2778         ix87_precision_string.
2779         * config/i386/crtprec.c: New file.
2780         * config/i386/t-crtpc: Ditto.
2781         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
2782         and -mpc80 options.
2783         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
2784         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2785         crtprec32.o, crtprec64.o and crtprec80.o.
2786
2787         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
2788         and -mpc80 options.
2789         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
2790
2791 2007-04-02  Eric Christopher  <echristo@apple.com>
2792
2793         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
2794         limitations on darwin.
2795
2796 2007-04-02  Anatoly Sokolov <aesok@post.ru>
2797
2798         PR target/31137
2799         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
2800
2801 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2802
2803         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
2804
2805 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2806
2807         * libgcc2.h (exception_descriptor): Don't forward-declare.
2808         (__get_eh_table_language, __get_eh_table_version): Delete
2809         prototypes of long-dead functions.
2810
2811 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
2812
2813         * ebitmap.h: New file
2814         * ebitmap.c: New file
2815         * Makefile.in (ebitmap.o): New target.
2816
2817 2007-04-01  Jan Hubicka  <jh@suse.cz>
2818
2819         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
2820         before very first instruction.
2821
2822 2007-04-01  Jan Hubicka  <jh@suse.cz>
2823
2824         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
2825         waring on 64bit hosts.
2826         * bitmap.h: Fix typo in bitmap_head_def.
2827
2828 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2829
2830         PR rtl-optimization/31391
2831         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
2832         into a DELETED_LABEL note, and the label is in an empty basic
2833         block, update BB_END as well as BB_HEAD.
2834
2835 2007-04-01  Richard Henderson  <rth@redhat.com>
2836
2837         PR tree-optimization/31169
2838         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
2839         to varying if the range is outside [0,  prec-1].
2840
2841 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
2842
2843         PR target/31388
2844         * config/mips/mips.md (load_const_gp): New insn.
2845         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
2846         the MIPS16 GP pseudo register if no_new_pseudos.
2847         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
2848
2849 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2850
2851         PR target/31364
2852         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
2853         secureplt.
2854         (call_value): Likewise.
2855
2856 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
2857             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2858
2859         PR 14737
2860         * doc/invoke.texi: (optimization options): Reword description
2861         of -ffast-math. Document its primary purpose.
2862
2863 2007-03-31  Richard Guenther  <rguenther@suse.de>
2864
2865         * omp-low.c (splay-tree.h): Include.
2866         (lookup_decl): Replace splay-tree usage by pointer-map.
2867         (maybe_lookup_decl): Likewise.
2868         (new_omp_context): Likewise.
2869         (delete_omp_context): Likewise.
2870         * gimplify.c (splay-tree.h): Include.
2871         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
2872         pointer-map.
2873         (remap_ssa_name): Likewise.
2874         (remap_decl): Likewise.
2875         (remap_type_1): Likewise.
2876         (remap_type): Likewise.
2877         (copy_body_r): Likewise.
2878         (expand_call_inline): Likewise.
2879         (clone_body): Likewise.
2880         (copy_tree_r): Likewise.
2881         (remap_save_expr): Likewise.
2882         (unsave_r): Likewise.
2883         (unsave_expr_now): Likewise.
2884         (tree_function_versioning): Likewise.
2885         (build_duplicate_type): Likewise.
2886         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
2887         (struct copy_body_data): Replace splay-tree by pointer-map.
2888         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
2889         not $(SPLAY_TREE_H).
2890         (gimplify.o): Depend on $(SPLAY_TREE_H).
2891         (omp-low.p): Likewise.
2892
2893 2007-03-31  Anatoly Sokolov <aesok@post.ru>
2894
2895         * config/avr/predicates.md (even_register_operand,
2896         odd_register_operand): New predicates.
2897         * config/avr/avr.md (movw peephole2): New.
2898         (movw_r peephole2): New.
2899
2900 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
2901
2902         * tree.h (get_signed_or_unsigned_type): New.
2903         * fold-const.c (operand_equal_for_comparison_p): Use
2904         get_signed_or_unsigned_type instead of
2905         lang_hooks.types.signed_or_unsigned_type.
2906         * expr.c (store_expr): Ditto.
2907         * langhooks.c (get_signed_or_unsigned_type): New.
2908         (lhd_signed_or_unsigned_type): New.
2909         * langhooks.h (lhd_signed_or_unsigned_type): New.
2910         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
2911
2912 2007-03-30  Richard Henderson  <rth@redhat.com>
2913
2914         * tree-ssa-loop-ivopts.c: Include target.h.
2915         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
2916         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
2917         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
2918         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
2919
2920 2007-03-30  Richard Henderson  <rth@redhat.com>
2921             Kai Tietz  <kai.tietz@onevision.com>
2922
2923         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
2924         default for 64-bit.
2925         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
2926         (TARGET_64BIT_MS_ABI): New.
2927         (DBX_REGISTER_NUMBER): Handle 64-bit.
2928         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
2929         (LONG_TYPE_SIZE): Force to 32.
2930         (REG_PARM_STACK_SPACE): New.
2931         (OUTGOING_REG_PARM_STACK_SPACE): New.
2932         (REGPARM_MAX, SSE_REGPARM_MAX): New.
2933         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2934         (STACK_BOUNDARY): Use 128 for 64-bit.
2935         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
2936         Add 64-bit implementation.
2937         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
2938         argument unused.
2939         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
2940         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
2941         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
2942         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
2943         (ix86_handle_cconv_attribute): Don't warn when ignoring if
2944         TARGET_64BIT_MS_ABI.
2945         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
2946         (ix86_pass_by_reference): Likewise.
2947         (ix86_function_value_regno_p): Likewise.
2948         (ix86_build_builtin_va_list): Likewise.
2949         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2950         (function_arg_advance_ms_64): New.
2951         (function_arg_advance): Call it.
2952         (function_arg_ms_64): New.
2953         (function_arg): Call it.
2954         (function_value_ms_64): New.
2955         (ix86_function_value_1): Call it.
2956         (return_in_memory_ms_64): New.
2957         (ix86_return_in_memory): Call it.
2958         (setup_incoming_varargs_ms_64): New.
2959         (ix86_setup_incoming_varargs): Call it.
2960         (ix86_expand_prologue): Handle 64-bit stack probing.
2961         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
2962         (output_pic_addr_const): Likewise.
2963         (x86_this_parameter): Likewise.
2964         (x86_output_mi_thunk): Likewise.
2965         (x86_function_profiler): Likewise.
2966         (TARGET_STRICT_ARGUMENT_NAMING): New.
2967         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
2968         (TARGET_64BIT_MS_ABI): New.
2969         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
2970         * config/i386/i386.md (allocate_stack_worker): Remove.
2971         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
2972         describe the clobber of eax without a match_scratch.
2973         (allocate_stack_worker_postreload): Remove.
2974         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
2975         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
2976         (allocate_stack_worker_rex64_postreload): Remove.
2977         (allocate_stack): Handle 64-bit.
2978         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
2979         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
2980         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
2981         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
2982         (STANDARD_STARTFILE_PREFIX_1): Likewise.
2983         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
2984         * config.build (x86_64-*-mingw*): New host.
2985         * config.host (x86_64-*-mingw*): New host.
2986         * config.gcc (x86_64-*-mingw*): New target.
2987         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
2988
2989 2007-03-30  Richard Henderson  <rth@redhat.com>
2990             Kai Tietz  <kai.tietz@onevision.com>
2991
2992         * c-pragma.c (struct def_pragma_macro_value): New.
2993         (struct def_pragma_macro): New.
2994         (pushed_macro_table): New.
2995         (dpm_hash, dpm_eq): New.
2996         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
2997         (init_pragma): Install them.
2998         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2999
3000 2007-03-30  Anatoly Sokolov <aesok@post.ru>
3001
3002         * config/avr/avr.c (avr_override_options): Clear
3003         'flag_delete_null_pointer_checks'.
3004
3005 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
3006
3007         PR c++/26099
3008         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
3009         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
3010         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
3011         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
3012         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
3013         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
3014         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
3015         C++ extensions.
3016         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
3017
3018 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
3019
3020         * regmove.c: Move all of pass_stack_adjustments from here...
3021         * combine-stack-adj.c: ...to this new file.
3022         * Makefile.in: Add rules for combine-stack-adj.o.
3023
3024 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
3025
3026         PR tree-optimization/31383
3027         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
3028         to have the same length.
3029
3030 2007-03-30  Jan Hubicka  <jh@suse.cz>
3031
3032         PR middle-end/30700
3033         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
3034         availablility; add more sanity checking; ask varpool only about
3035         VAR_DECL.
3036
3037 2007-03-29  Richard Henderson  <rth@redhat.com>
3038
3039         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
3040         to decide, but __SIZEOF_LONG_LONG__.
3041
3042 2007-03-29  Richard Henderson  <rth@redhat.com>
3043
3044         * emutls.c (struct __emutls_array): New.
3045         (emutls_destroy): Use it instead of casting element 0 from void*.
3046         (__emutls_get_address): Likewise.
3047
3048 2007-03-29  Richard Henderson  <rth@redhat.com>
3049
3050         * varasm.c (initializer_constant_valid_p): Don't deny
3051         DECL_DLLIMPORT_P on functions.
3052
3053         * config/i386/cygming.h: Remove function declarations.
3054         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
3055         (ASM_OUTPUT_LABELREF): Remove.
3056         (COMMON_ASM_OP): Remove.
3057         (ASM_OUTPUT_COMMON): Remove.
3058         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
3059         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
3060         (ASM_DECLARE_FUNCTION_NAME): Likewise.
3061         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
3062         Rename from TARGET_ENCODE_SECTION_INFO.
3063         * config/i386/netware.h: Likewise.
3064         * config/i386/i386-protos.h: Update.
3065         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
3066         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
3067         (legitimate_constant_p): Reject dllimports.
3068         (dllimport_map, get_dllimport_decl): New.
3069         (legitimize_dllimport_symbol): New.
3070         (legitimize_address, ix86_expand_move): Use it.
3071         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
3072         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
3073         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
3074         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
3075         * config/i386/predicates.md (constant_call_address_operand): Only
3076         accept symbols; reject dllimport_p symbols.
3077         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
3078         i386_pe_maybe_record_exported_symbol.
3079         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
3080         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
3081         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
3082         trust the setting of DECL_DLLIMPORT_P.
3083         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
3084         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
3085         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
3086         tidy the argument scanning loop.
3087         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
3088         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
3089         (i386_pe_strip_name_encoding): Remove.
3090         (i386_pe_binds_local_p): New.
3091         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
3092         (i386_pe_output_labelref): Remove.
3093         (i386_pe_asm_output_aligned_decl_common): New.
3094         (i386_pe_maybe_record_exported_symbol): Rename from
3095         i386_pe_record_exported_symbol; check for dllexported symbols.
3096
3097 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
3098
3099         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
3100         add comment explaining why vsnprintf cannot be used.
3101
3102 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
3103
3104         PR tree-optimization/30666
3105         * tree.c (build_complex_type): When creating type names for DWARF2
3106         debug info, create TYPE_DECLs for TYPE_NAME instead of
3107         IDENTIFIER_NODEs.
3108         (build_common_tree_nodes_2): Use build_complex_type when building
3109         predefined complex types, to preserve canonical types.
3110
3111 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3112
3113         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
3114         (noce_get_alt_condition): Look at it to determine whether to
3115         reverse the condition or not.
3116         (noce_get_condition): Substitute the truth for lies.
3117         (noce_find_if_block): Set the then_else_reversed field.
3118
3119 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
3120
3121         * config/fr30/fr30.md (movdi): Do not accept immediates as the
3122         destination of this insn.
3123         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
3124         than calling gen_rtx_SET directly.  Use r0 to hold the value of
3125         'address + 4' rather than a stack based temporary which can be
3126         mis-optimized away.
3127
3128 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3129
3130         * config/s390/s390.c (s390_secondary_input_reload_class,
3131         s390_secondary_output_reload_class): Functions removed.
3132         (s390_secondary_reload): New function.
3133         (TARGET_SECONDARY_RELOAD): Target macro defined.
3134         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
3135         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
3136         * config/s390/s390.md ("reload_outti", "reload_outdi",
3137         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
3138         "reload_out<mode>"): Expanders removed.
3139         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
3140         "reload<mode>_nonoffmem_out"): Expanders added.
3141
3142 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3143
3144         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
3145         SRC->DEST replacement failed anyway.
3146
3147 2007-03-28  Mike Stump  <mrs@apple.com>
3148
3149         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
3150         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
3151         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
3152
3153 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3154
3155         * config.gcc: Accept barcelona as a variant of amdfam10.
3156         * config/i386/i386.c (override_options): Likewise.
3157         * doc/invoke.texi: Likewise.
3158
3159 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
3160
3161         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
3162         offsets for BIT_FIELD_REF and COMPONENT_REF.
3163
3164 2007-03-28  Richard Guenther  <rguenther@suse.de>
3165
3166         * tree.c (is_global_var): Move ...
3167         * tree-flow-inline.h (is_global_var): ... here.
3168         * tree.h (is_global_var): Remove declaration.
3169
3170 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
3171
3172         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
3173         option.
3174         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
3175         * config/i386/i386.c (ix86_tune_features): Initialize new
3176         tuning option.
3177         * config/i386/predicates.md (promotable_binary_operator): Use
3178         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
3179
3180 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3181
3182         PR target/31380
3183         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
3184
3185 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
3186
3187         * config/fr30/fr30.md (movsi_internal): Change destination
3188         constraint from m to V and add m to the end.
3189
3190 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3191
3192         * config/sh/sh.md (movsi_i): Fix type attribute.
3193
3194 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3195
3196         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
3197         (movsf_ie): Likewise.
3198
3199 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3200
3201         * config.gcc: Add sh4-300 to multilib.
3202         * config/sh/t-mlib-sh4-300: New file.
3203
3204 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
3205
3206         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
3207         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
3208         fix_trunc<mode>di2.
3209         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
3210         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
3211         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
3212         "fixuns_trunctddi2"): Whitespace fix.
3213
3214 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3215
3216         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
3217         the definition of struct sh_args.
3218         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
3219         CALL_COOKIE_INT_REG_GET): Likewise.
3220
3221 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
3222
3223         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
3224         transformations are applied successfully.
3225
3226 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
3227
3228         * tree.c (tree_contains_struct): Permit 512 tree codes.
3229         * tree.h (tree_contains_struct): Ditto.
3230         (MAX_TREE_CODES): Ditto.
3231         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
3232         SPARE member to store remaining padding bits.
3233
3234 2007-03-27  Anatoly Sokolov <aesok@post.ru>
3235
3236         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
3237         architecture.
3238
3239 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
3240
3241         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
3242         * configure: Regenerate.
3243
3244         * configure: Regenerate using the correct version of autoconf.
3245
3246 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
3247
3248         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
3249         pointer regs.
3250         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
3251         regs to "__SP_L__" and "__SP_H__".
3252
3253 2007-03-27  Richard Guenther  <rguenther@suse.de>
3254
3255         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
3256         computations with it with a HOST_WIDE_INT variable.
3257
3258 2007-03-26  Mike Stump  <mrs@apple.com>
3259
3260         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
3261         objective-c-header, objective-c++-header and objc++-cpp-output
3262         support.
3263         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3264
3265 2007-03-26  Richard Henderson  <rth@redhat.com>
3266
3267         PR target/31361
3268         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
3269         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
3270         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
3271         IX86_BUILTIN_PSRLQ128): New.
3272         (ix86_init_mmx_sse_builtins): Add them.
3273         (ix86_expand_builtin): Expand them.
3274         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
3275         operand 2 be TImode.
3276         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
3277         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3278         _mm_srli_epi64): Mark __B const.
3279         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
3280         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
3281         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
3282         new two-vector shift builtins.
3283
3284 2007-03-26  Ian Lance Taylor  <iant@google.com>
3285
3286         PR tree-optimization/31345
3287         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
3288         [+INF, +INF(OVF)] into VARYING.
3289
3290 2007-03-26  Zack Weinberg  <zackw@panix.com>
3291
3292         * gengtype-parse.c: New file.
3293         * gengtype-yacc.y: Delete.
3294         * gengtype-lex.l: Don't include gengtype-yacc.h.
3295         Define YY_DECL and yyterminate appropriately for recursive
3296         descent parser.  yylval is now a string out-parameter to yylex.
3297         (HWS, EOID): New shorthand.
3298         (IWORD): Add a couple more types.
3299         (yylex): Add a setup stanza.  Remove the complex rules for
3300         detecting GTY'ed types and typedefs; replace with simple
3301         keyword detectors.  Adjust everything for the changed
3302         definition of yylval.  Ignore all pp-directives, not just #define.
3303         (yyerror): Delete.
3304         (parse_file): Rename yybegin; do not call yyparse.
3305         (yyend): New.
3306         * gengtype.c (xasprintf): Export again.
3307         (this_file): New.  Use everywhere __FILE__ was being used.
3308         (get_lang_bitmap): Special case types defined in gengtype.c.
3309         (do_typedef, new_structure): Suppress definition of certain types.
3310         (new_structure): Improve diagnostics of duplicate definitions.
3311         Make sure location_s is associated with input.h.
3312         (nreverse_pairs, define_location_structures): New functions.
3313         (main): Improve tagging of kludge types.  Remove old kludges
3314         for input.h types; use define_location_structures.
3315         * gengtype.h: Update prototypes.  Define token codes here.
3316         * Makefile.in: Remove all references to gengtype-yacc.
3317         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
3318         and gengtype.
3319         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3320         add GTY((skip)) to the field that's only conditionally there.
3321         * doc/install.texi: Document that Bison is no longer required
3322         unless building treelang.
3323
3324         * gengtype.c: Don't include gtyp-gen.h.
3325         (srcdir): Declare here.
3326         (base_files, lang_dir_names): Allocate dynamically.
3327         (gt_files, num_gt_files, num_lang_dirs): New globals.
3328         (measure_input_list, read_input_line, read_input_list)
3329         (set_lang_bitmap): New functions.
3330         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3331         simplify, relying on read_input_list to set up the bitmaps.
3332         (main): Arguments are no longer unused.  Check for correct number
3333         of command line arguments, set srcdir and srcdir_len, then call
3334         read_input_list, before doing anything else.  No need to worry
3335         about duplicates in main loop.
3336         * configure.ac: Simplify the calculation of all_gtfiles.
3337         Put language tags in there.  Don't set or substitute
3338         all_gtfiles_files_langs or all_gtfiles_files_frags.
3339         * Makefile.in: Revamp the way gengtype is invoked, now that it
3340         takes a file on its command line with a much simpler format.
3341         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3342         (GTFILES): Remove duplicates and C source files.
3343         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3344         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3345         * configure: Regenerate.
3346
3347         * gengtype.h: Remove all type definitions to gengtype.c; leave
3348         only definitions of options_p, type_p, and pair_p as opaque
3349         pointers.  Update prototypes.
3350         * gengtype.c: Many type definitions moved here from gengtype.h.
3351         Consolidate type definitions at the top of the file.
3352         (xvasprintf): Delete.
3353         (xasprintf): Make static.
3354         (create_nested_pointer_option): Add 'next' parameter.
3355         (create_field_all, create_field_at): New functions.
3356         (create_field): Now a thin wrapper around create_field_all.
3357         (create_optional_field): Rename create_optional_field_ and add
3358         line argument.  Original name is now a macro which supplies
3359         __LINE__.
3360         (oprintf): Use vsnprintf directly.
3361         (close_output_files): Use fatal rather than perror/exit.
3362         (note_def_vec, note_def_vec_alloc): Use create_field_at.
3363         (main): Set progname.  Don't use exit.
3364         * gengtype-yacc.y (struct_fields): Use create_field_at.
3365         (option, optionseqopt): Delete.
3366         (optionseq): Consolidate productions from option here so we
3367         can use the first argument to create_option.
3368
3369         * gengtype-lex.l: Distinguish unions from structures in the
3370         token type.  Don't call find_structure; return the tag as a string.
3371         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
3372         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
3373         Reorganize typedef_struct production accordingly.
3374         Use create_nested_ptr_option.
3375         * gengtype.c (create_nested_ptr_option): New function.
3376         * gengtype.h: Declare it.
3377
3378         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
3379         (string_type): Don't declare.
3380         (do_scalar_typedef): Declare.
3381         (create_scalar_type): Update prototype.
3382         * gengtype.c (string_type): Make static.
3383         (scalar_nonchar, scalar_char): New.
3384         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
3385         (resolve_typedef): Use scalar_nonchar for error recovery.
3386         (create_scalar_type): Remove name_len field.  Return scalar_char
3387         or scalar_nonchar as appropriate.
3388         (adjust_field_type): Look at scalar_is_char boolean to decide whether
3389         to use string_type.
3390         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3391         whenever possible.
3392         (main): Initialize scalar_char and scalar_nonchar before calling
3393         gen_rtx_next.
3394         * gengtype-lex.l: Adjust for removal of second argument to
3395         create_scalar_type.  Use yylval.s instead of yylval.t when
3396         returning SCALAR.
3397         * gengtype-yacc.y: Type of SCALAR is string.  Call
3398         create_scalar_type from type:SCALAR rule.  Adjust for removal of
3399         second argument to create_scalar_type.
3400
3401         * vec.h: Remove all #if IN_GENGTYPE blocks.
3402         Add comment saying that changes may require adjustments to gengtype.
3403         * gengtype.c: Don't include coretypes.h or tm.h.
3404         Add comment to inclusion of errors.h.
3405         (note_def_vec, note_def_vec_alloc): New functions.
3406         * gengtype.h: Declare new functions.
3407         * gengtype-lex.l: Don't include coretypes.h.
3408         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
3409         Delete.
3410         (update_lineno): Remove unnecessary prototype.
3411         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
3412         (VEC rule): Just return VEC_TOKEN.
3413         * gengtype-yacc.y (VEC_TOKEN): New token type.
3414         (type): Add a production for VEC(a,b).
3415         * Makefile.in: Update dependencies.
3416
3417         * gengtype-lex.l: Remove rules for parsing pointer-to-function
3418         typedefs that use the old PARAMS macro.
3419
3420         * gengtype-lex.l: Remove all rules and states relating to yacc
3421         input files.
3422         * gengtype-yacc.y: Similarly.
3423         * gengtype.c (note_yacc_type): Delete function.
3424         * gengtype.h: Update prototypes.
3425
3426 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
3427
3428         * tree-pretty-print.c (dump_generic_node): Report precision of
3429         unnamed integer types.
3430
3431 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
3432
3433         * ifcvt.c (noce_try_store_flag_constants): Don't check
3434         no_new_pseudos here.
3435         (noce_try_store_flag_constants): Don't check no_new_pseudos.
3436         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
3437         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
3438         noce_try_sign_mask): Likewise.
3439         (if_convert): Check no_new_pseudos here.
3440
3441         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
3442         Remove prototypes.
3443         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
3444         (noce_get_condition): Handle new then_else_reversed argument.
3445         (noce_init_if_info): Remove, fold into noce_find_if_block.
3446         (noce_process_if_block): Take a struct noce_if_info as the
3447         argument.  Don't set up one based on ce_if_info.  Update pointer
3448         references accordingly.
3449         (cond_move_process_if_block): Likewise.
3450         (process_if_block): Removed.
3451         (find_if_block): Removed.  Move functionality two new functions,
3452         noce_find_if_block and cond_exec_find_if_block.
3453         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
3454         blocks and the symmetric IF-ELSE-JOIN case.
3455         (cond_exec_find_if_block): Also new function mostly based on old
3456         find_if_block and process_if_block.
3457         (find_if_header): Replace find_if_block call with separately
3458         guarded calls to noce_find_if_block and cond_exec_find_if_block.
3459         (find_cond_trap): Update noce_get_condition call.
3460         (dead_or_predicable): Likewise.
3461
3462 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
3463
3464         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
3465         Remove.
3466         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
3467         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
3468         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
3469         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
3470         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
3471         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
3472         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
3473         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
3474         __builtin_ia32_psrad128 builtins.
3475
3476 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
3477
3478         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
3479         * config/i386/constraints.md
3480         (define_constraint "I"): Use IN_RANGE macro.
3481         (define_constraint "J"): Ditto.
3482         (define_constraint "K"): Ditto.
3483         (define_constraint "M"): Ditto.
3484         (define_constraint "N"): Ditto.
3485         (define_constraint "O"): Ditto.
3486         * config/i386/predicates.md
3487         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
3488         (define_predicate "const_0_to_3_operand"): Ditto.
3489         (define_predicate "const_0_to_7_operand"): Ditto.
3490         (define_predicate "const_0_to_15_operand"): Ditto.
3491         (define_predicate "const_0_to_63_operand"): Ditto.
3492         (define_predicate "const_0_to_255_operand"): Ditto.
3493         (define_predicate "const_1_to_31_operand"): Ditto.
3494         (define_predicate "const_2_to_3_operand"): Ditto.
3495         (define_predicate "const_4_to_7_operand"): Ditto.
3496
3497 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3498
3499         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
3500         in SImode for save_world.
3501         * config/rs6000/altivec.md (save_world, restore_world): Convert to
3502         LR hard reg.
3503
3504 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
3505
3506         PR tree-optimization/30784
3507         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
3508         BIT_FIELD_REF.
3509
3510 2007-03-25  Revital Eres  <eres@il.ibm.com>
3511
3512         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
3513           Fold movement_possibility function into it.
3514
3515 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3516
3517         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
3518         (load_macho_picbase_{si,di}): Convert to LR hard reg.
3519         (call_indirect_nonlocal_darwin64): Same.
3520         (call_nonlocal_darwin64): Same.
3521         (call_value_indirect_nonlocal_darwin64): Same.
3522         (call_value_nonlocal_darwin64): Same.
3523         (sibcall_nonlocal_darwin64): Same.
3524         (sibcall_value_nonlocal_darwin64): Same.
3525         (sibcall_symbolic_64): Same.
3526         (sibcall_value_symbolic_64): Same.
3527         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
3528         LR pseudo.
3529         (rs6000_emit_load_toc_table): Same.
3530         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
3531         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
3532         (mull_call): Same.
3533         (divss_call): Same.
3534         (divus_call): Same.
3535         (quoss_call): Same.
3536         (quous_call): Same.
3537         (load_toc_v4_pic_si): Same
3538         (load_toc_v4_PIC_1): Same.
3539         (load_toc_v4_PIC_1b): Same.
3540         (call_indirect_aix{32,64}): Same.
3541         (call_value_indirect_aix{32,64}): Same.
3542         (call): Same.
3543         (call_value): Same.
3544         (call_local{32,64}): Same.
3545         (call_value_local{32,64}): Same.
3546         (call_indirect_nonlocal_aix{32,64}): Same.
3547         (call_nonlocal_aix{32,64}): Same.
3548         (call_value_indirect_nonlocal_aix{32,64}): Same.
3549         (call_value_nonlocal_aix{32,64}): Same.
3550         (call_indirect_nonlocal_sysv<mode>): Same.
3551         (call_nonlocal_sysv<mode>): Same.
3552         (call_value_indirect_nonlocal_sysv<mode>): Same.
3553         (call_value_nonlocal_sysv<mode>): Same.
3554         (sibcall): Same.
3555         (sibcall_local{32,64}): Same.
3556         (sibcall_value_local{32,64}): Same.
3557         (sibcall_nonlocal_aix{32,64}): Same.
3558         (sibcall_value_nonlocal_aix{32,64}): Same.
3559         (sibcall_nonlocal_sysv<mode>): Same.
3560         (sibcall_value): Same.
3561         (sibcall_value_nonlocal_sysv<mode>): Same.
3562
3563 2007-03-24  Paul Brook  <paul@codesourcery.com>
3564
3565         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3566         * config/arm/linux-eabi.h: Remove legacy syscall hack.
3567
3568 2007-03-24  Richard Henderson  <rth@redhat.com>
3569
3570         * config/ia64/constraints.md: New file.
3571         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3572         satisfies_constraint_?.
3573         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3574         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3575         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3576         ia64_output_mi_thunk): Likewise.
3577         (ia64_const_ok_for_letter_p): Remove.
3578         (ia64_const_double_ok_for_letter_p): Remove.
3579         (ia64_extra_constraint): Remove.
3580         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3581         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3582         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3583         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3584         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3585         EXTRA_MEMORY_CONSTRAINT): Remove.
3586         * config/ia64/ia64.md: Include constriants.md.  Replace
3587         CONST_OK_FOR_? with satisfies_constraint_?.
3588
3589 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
3590             H.J. Lu  <hongjiu.lu@intel.com>
3591
3592         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3593         DPD or BID name.
3594         (name macros): Use DPD_BID_NAME to convert names properly.
3595
3596         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3597         decimal floating point format.
3598         (init_floating_libfuncs): Change decimal functions so that they
3599         have a "bid_" prefix if the decimal system uses the BID format,
3600         and "dpd_" prefix if the decimal system uses the DPD format.
3601         (init_interclass_conv_libfuncs): Ditto.
3602         (init_intraclass_conv_libfuncs): Ditto.
3603
3604         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3605         using the BID format.
3606
3607         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3608         whether we are using the BID decimal format.
3609         * configure: Regenerate.
3610
3611         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3612         the compiler has decimal floating point enabled.  Define
3613         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3614         instead of DPD.
3615
3616         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3617         using the BID format.
3618
3619         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3620         whether we are using the BID decimal format.
3621         * configure: Regenerate.
3622
3623         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3624         the compiler has decimal floating point enabled.  Define
3625         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3626         instead of DPD.
3627
3628         * doc/install.texi (--enable-decimal-float): Document BID and DPD
3629         options, and that it is enabled for i386/x86_64 systems.
3630
3631         * Makefile.in (enable_decimal_float): New.
3632         (DECNUMFMT): New.
3633         (DECNUMINC): Add  -I$(DECNUMFMT).
3634         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
3635         to $(DECNUMFMT) from $(DECNUM).
3636
3637         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
3638         Substitute enable_decimal_float.
3639         * configure: Regenerated.
3640
3641         PR other/30529
3642         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
3643         unsigned long.
3644
3645         * configure.ac: Enable decimal float for x86_64-*-linux*.
3646         * configure: Regenerated.
3647
3648         PR other/30530
3649         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
3650         decimal128ClearSign to flip and clear the sign bit in decimal128.
3651         (decimal_real_maxval): Set decimal128SetSign to set the sign
3652         bit in decimal128.
3653
3654 2007-03-23  Ian Lance Taylor  <iant@google.com>
3655
3656         * fold-const.c (fold_binary): Correct warning for X - c >= X.
3657
3658 2007-03-23  Ian Lance Taylor  <iant@google.com>
3659
3660         * tree-dump.c (dump_files): Correct comment.
3661
3662 2007-03-23  Ian Lance Taylor  <iant@google.com>
3663
3664         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
3665
3666 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
3667
3668         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
3669         in cfglayout mode.  Don't go into and out of cfglayout mode.
3670         Link the blocks in the order of the constructed traces.
3671         (rest_of_handle_tracer): Adjust call to tracer.
3672         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
3673         Don't go into cfglayout mode.
3674         (rtl_loop_done): Don't go out of cfglayout mode.
3675         * cfglayout.c (relink_block_chain): New function, split out from...
3676         (fixup_reorder_chain): ...here.  Remove redundant checking.
3677         (cfg_layout_finalize): Don't clear the header, footer, and aux
3678         fields here, move the code to do so to relink_block_chain.  Likewise
3679         for free_original_copy_tables.
3680         * rtl.h (tracer): Update prototype.
3681         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
3682         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
3683         mode.  Use relink_block_chain to serialize the CFG according to the
3684         new basic block order.  Move targetm.cannot_modify_jumps_p check from
3685         here...
3686         (gate_handle_reorder_blocks): ...to here.
3687         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
3688         from here...
3689         (gate_duplicate_computed_gotos): ...to here.
3690         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
3691         something always changes when going into and out of cfglayout mode.
3692         Perform an expensive cfg cleanup while going into cfglayout mode.
3693         Always update liveness information on HAVE_conditional_execution
3694         targets.  Reserialize the basic blocks and go out of cfglayout mode.
3695         * reg-stack.c: Include cfglayout.h.
3696         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
3697         the call to reorder_basic_blocks.
3698         * basic-block.h (reorder_basic_blocks): Update prototype.
3699         (relink_block_chain): New prototype.
3700         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
3701
3702 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
3703
3704         * config/mips/mips.md (type, hazard, *movdi_32bit,
3705         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
3706         *movhi_internal, *movqi_internal, *movsf_hardfloat,
3707         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
3708         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
3709         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
3710         applicable.
3711         (movcc): Change first xfer to multi.
3712         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
3713         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
3714         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
3715         config/mips/generic.md: Change reservations using "xfer" to use
3716         "mfc,mtc".
3717         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
3718         using match_operand.
3719         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
3720         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
3721         examining mode.
3722         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
3723
3724 2007-03-22  Richard Henderson  <rth@redhat.com>
3725
3726         * config/i386/i386.c: Remove unnecessary function declarations.
3727         Move targetm definition, and all related macros, to the end of
3728         the file.  Resort some functions to put definitions before uses.
3729         (ix86_attribute_table): Make static.  Move to end of file.
3730         (ix86_gimplify_va_arg): Make static.
3731
3732 2007-03-22  Richard Henderson  <rth@redhat.com>
3733
3734         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
3735         don't increase local_regparm with force_align_arg_pointer check.
3736         (ix86_function_sseregparm): Assert 32-bit.
3737         (type_has_variadic_args_p): New.
3738         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
3739         type_has_variadic_args_p.
3740         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
3741         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
3742         use memset instead.  Do maybe_vaarg check first; skip attribute
3743         tests if true; skip attribute tests for 64-bit.
3744         (construct_container): Remove TARGET_DEBUG_ARG.
3745         (function_arg_advance_32, function_arg_advance_64): Split out ...
3746         (function_arg_advance): ... from here.
3747         (function_arg_32, function_arg_64): Split out ...
3748         (function_arg): ... from here.
3749         (ix86_pass_by_reference): Tidy.
3750         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
3751         (function_value_32): New, from parts of ix86_function_value
3752         and ix86_value_regno.
3753         (function_value_64): New, from parts of ix86_function_value
3754         and ix86_libcall_value.
3755         (ix86_function_value_1): New.
3756         (ix86_function_value, ix86_libcall_value): Use it.
3757         (return_in_memory_32, return_in_memory_64): Split out ...
3758         (ix86_return_in_memory): ... from here.
3759         (ix86_struct_value_rtx): Skip for 64-bit.
3760         (ix86_libcall_value, ix86_value_regno): Remove.
3761         (setup_incoming_varargs_64): Split out ...
3762         (ix86_setup_incoming_varargs): ... from here.
3763         (ix86_va_start): Remove TARGET_DEBUG_ARG.
3764         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
3765         * config/i386/i386-protos.h (ix86_function_value): Remove.
3766         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
3767
3768 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3769
3770         PR other/23572
3771         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
3772         infinities not supported, otherwise emit warning if -Woverflow. On
3773         underflow, emit warning if -Woverflow.
3774         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
3775         and 0 otherwise.
3776         * real.h (real_from_string): Update declaration
3777
3778 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
3779             Richard Henderson  <rth@redhat.com>
3780
3781         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
3782         * calls.c (compute_argument_block_size, expand_call,
3783         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
3784         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
3785         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
3786         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
3787         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
3788         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
3789         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
3790         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
3791         Set to 1.
3792
3793 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
3794
3795         * c-incpath.c (add_sysroot_to_chain): New.
3796         (merge_include_chains): Add sysroot argument.  Call
3797         add_sysroot_to_chain if sysrooted.
3798         (register_include_chains): Update call to merge_include_chains.
3799         * doc/cppopts.texi: Document use of '=' in include directory
3800         arguments.
3801
3802 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
3803
3804         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
3805         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
3806         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
3807         insn pattern using X87MODEF12 mode macro.
3808
3809 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
3810
3811         * regmove.c (regmove_optimize): Use reg_mentioned_p
3812         instead of reg_overlap_mentioned_p for DST.
3813
3814 2007-03-21  Mike Stump  <mrs@apple.com>
3815
3816         * c.opt: Fixup for Objective-C/C++.
3817
3818 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
3819
3820         * explow.c (convert_memory_address): Fold memory reference when
3821         POINTERS_EXTEND_UNSIGNED < 0
3822
3823 2007-03-21  Richard Henderson  <rth@redhat.com>
3824
3825         PR target/31245
3826         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
3827         * config/i386/mmintrin.h (__m64): Likewise.
3828         * config/i386/xmmintrin.h (__m128): Likewise.
3829
3830 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3831
3832         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
3833         (VXWORKS_OS_CPP_BUILTINS): Define.
3834         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
3835         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
3836
3837 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3838
3839         * rtl.h (constant_pool_reference_p): Delete.
3840         (find_constant_src): Declare.
3841         * rtlanal.c (find_constant_src): New function.
3842         * simplify-rtx.c (constant_pool_reference_p): Delete.
3843         * config/i386/i386.md: Use find_constant_src instead of
3844         constant_pool_reference_p/avoid_constant_pool_reference pairs.
3845
3846 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3847
3848         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
3849         * c-cppbuiltin.c (c_cpp_builtins): Define them.
3850
3851 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
3852
3853         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
3854         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
3855         (arm_elf_asm_constructor): Use it.
3856         (arm_elf_asm_destructor): New function.
3857
3858 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3859
3860         * jump.c (mark_jump_label): Treat SEQUENCE specially.
3861
3862 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
3863
3864         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
3865
3866 2007-03-19  Andrew Haley  <aph@redhat.com>
3867
3868         PR tree-optimization/31264
3869         * tree-vrp.c (register_edge_assert_for_1): Don't look though
3870         VIEW_CONVERT_EXPRs.
3871
3872 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
3873
3874         PR rtl-optimization/30907
3875         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
3876         (fwprop_init): Always call loop_optimizer_initialize.
3877         (fwprop_done): Always call loop_optimizer_finalize.
3878         (fwprop): We always have loop info now.
3879         (gate_fwprop_addr): Remove.
3880         (pass_fwprop_addr): Use gate_fwprop as gate.
3881
3882         PR rtl-optimization/30841
3883         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
3884         df_chain_alloc): Call df_reorganize_refs unconditionally.
3885         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
3886         refs_organized to refs_organized_size.
3887         (df_ref_create_structure): Use refs_organized_size instead of
3888         bitmap_size if refs had been organized, and keep refs_organized_size
3889         up-to-date.
3890         * df.h (struct df_ref_info): Change refs_organized to
3891         refs_organized_size.
3892         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
3893         bitmap_size.
3894
3895 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
3896
3897         * except.c (output_function_exception_table): Do not reference the
3898         EH personality routine for functions that do not require an
3899         exception table.
3900
3901 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
3902
3903         PR c/30762
3904         * c-typeck.c (convert_for_assignment): Call comptypes for
3905         RECORD_TYPE or UNION_TYPE.
3906
3907         PR inline-asm/30505
3908         * reload1.c (reload): Do invalid ASM checking after
3909         cleanup_subreg_operands.
3910
3911 2007-03-19  Jeff Law  <law@redhat.com>
3912
3913         * tree-cfg.c (find_taken_edge): Tighten conditions for
3914         optimizing computed gotos.
3915
3916 2007-03-19  Michael Matz  <matz@suse.de>
3917
3918         * builtins.c (expand_builtin_sync_operation,
3919         expand_builtin_compare_and_swap,
3920         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
3921         correctly.
3922
3923         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
3924         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
3925         for operand 3.
3926
3927 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3928
3929         * doc/tm.texi: Add brackets around the return type of
3930         TARGET_SECONDARY_RELOAD.
3931
3932 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3933         Richard Guenther  <rguenther@suse.de>
3934
3935         PR tree-optimization/31254
3936         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3937         Use handled_component_p () where appropriate.  Continue
3938         propagating into the rhs if we propagated into an INDIRECT_REF
3939         on the lhs.
3940
3941 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3942
3943         * config/s390/s390.md (op_type attribute): RRR instruction type added.
3944         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
3945         (xde, xdee): Mode attributes adjusted to support DFP modes.
3946         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
3947         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
3948         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
3949         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
3950         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
3951         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3952         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
3953         numbers.
3954         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
3955         "movsf"): Insn definitions removed.
3956         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
3957         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
3958         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
3959         definitions added.
3960         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
3961         "reload_in<mode>", "reload_out<mode>"): Expander added.
3962         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
3963         Expander removed.
3964
3965 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3966
3967         * config/s390/s390.md: Only non-functional changes.  Renamed
3968         FPR mode macro to BFP all over the file.
3969
3970 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3971
3972         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
3973         (op_type attribute): RRF instruction type added.
3974         (fT0): New mode attribute.
3975         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3976         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
3977         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
3978         no secondary memory is needed when moving DFmode values between GPRs
3979         and FPRs.
3980
3981 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3982
3983         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
3984         inverted and documentation adjusted.
3985         ("mhard-dfp", "msoft-dfp"): New options.
3986         * config/s390/s390.c (s390_handle_arch_option): New architecture
3987         switch: z9-ec.
3988         (override_options): Sanity checks for the new options added.
3989         * config.gcc: New architecture switch: z9-ec.
3990         * config/s390/s390.h (processor_flags): PF_DFP added.
3991         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
3992         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
3993         when the bit is NOT set so remove it from the defaults.
3994
3995 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3996
3997         * genemit.c (main): Print include statement for dfp.h.
3998         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
3999         is not available.
4000
4001 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4002
4003         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
4004
4005 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4006
4007         PR target/31022
4008         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
4009         instead of PATTERN.
4010
4011 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4012
4013         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
4014         attr_length_call, output_call, output_indirect_call): Cleanup
4015         formatting of targetm calls.
4016
4017 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4018
4019         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
4020
4021 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4022
4023         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
4024         reservation, bypass and anti-bypass descriptions for these instructions.
4025         Update move patterns.
4026         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
4027         TYPE_FPSTORE.
4028
4029 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
4030
4031         * tree-vect-transform.c (get_initial_def_for_induction): Replace
4032         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
4033         (get_initial_def_for_reduction): Likewise.
4034
4035 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
4036
4037         Fix PR tree-optimization/29922
4038         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
4039         (get_representative): Removed.
4040         (value_dies_in_block_x): Update for rvuse removal.
4041         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
4042         (compute_antic_aux): Handle when PHI nodes appear in
4043         non-single-successors.
4044         (dump_bitmap_of_names): Removed.
4045         (compute_antic_safe): Renamed and removed rvuse calculation.
4046         Calculate only antic safe.
4047         (insert_into_preds_of_block): Remove assert.
4048         (execute_pre): Update for renamed functions.
4049         (defer_or_phi_translate_block): New function.
4050
4051 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4052
4053         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
4054         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
4055         typos.
4056         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
4057         Follow spelling conventions.
4058
4059         * tree-data-ref.h: Remove the prototype for analyze_array.
4060
4061 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
4062
4063         PR tree-optimization/31041
4064         * tree-vect-transform.c (get_initial_def_for_induction): Call
4065         force_gimple_operand.
4066
4067 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
4068
4069         * ipa-type-escape.c (look_for_casts) : Revert code to use
4070         handled_component_p due to ada test a-numaux.adb.
4071
4072 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4073
4074         * final.c (final_scan_insn): Alter the condition of a
4075         conditional trap if we have nonstandard CC.
4076
4077 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4078
4079         * configure.ac: Remove excess quoting from asm line 0 test.
4080         * configure: Rebuilt.
4081
4082 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4083
4084         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
4085         * c-common.c (convert_and_check): Move warning logic to...
4086         (warnings_for_convert_and_check): ...here. Define.
4087         * c-common.h (warnings_for_convert_and_check): Declare.
4088
4089 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4090
4091         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
4092         (output_call): Likewise.
4093
4094 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4095
4096         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
4097
4098 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4099
4100         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
4101
4102 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
4103
4104         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
4105         opteron, athlon-64 and athlon-fx processor_alias_table entries.
4106
4107 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
4108
4109         PR tree-optimization/31183
4110         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
4111         Use double_int instead of unsigned int for representing access_strides.
4112         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
4113
4114 2007-03-16  Richard Guenther  <rguenther@suse.de>
4115
4116         PR tree-optimization/31146
4117         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
4118         to allow recursion of forward_propagate_addr_expr.
4119         (forward_propagate_addr_into_variable_array_index): Likewise.
4120         (forward_propagate_addr_expr): Likewise.
4121         (tree_ssa_forward_propagate_single_use_vars): Likewise.
4122         (forward_propagate_addr_expr_1): Recurse on simple copies
4123         instead of propagating into them.  Do so for useless conversions
4124         as well.
4125         (forward_propagate_addr_expr): Clean up unused statements after
4126         recursion.
4127
4128 2007-03-16  Richard Guenther  <rguenther@suse.de>
4129
4130         * builtins.c (expand_builtin_cexpi): Use the right argument
4131         for the expansion via cexp.
4132
4133 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4134
4135         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
4136         * configure: Rebuilt.
4137
4138 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4139
4140         PR debug/29906
4141         * dwarf2out.c (force_type_die): Adjust comment.
4142         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
4143
4144 2007-03-15  DJ Delorie  <dj@redhat.com>
4145
4146         * config/frv/predicates.md (minmax_operator): Don't check operands
4147         here.
4148
4149 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4150
4151         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
4152         Update constant estimates of number of iterations.
4153         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
4154         argument renamed to "realistic".
4155         (compute_estimated_nb_iterations): Removed.
4156         (record_niter_bound): New function.
4157         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
4158         call record_nonwrapping_iv with upper = false.
4159         (infer_loop_bounds_from_signedness): Pass upper argument to
4160         record_nonwrapping_iv.
4161         (estimate_numbers_of_iterations_loop): Do not call
4162         compute_estimated_nb_iterations.  Record estimate based on profile
4163         information.  Initialize the constant estimates of number of
4164         iterations.
4165         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
4166         estimates.
4167         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
4168         number of iterations is too small.
4169         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
4170         (EST_NOT_AVAILABLE): Removed.
4171         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
4172         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
4173         fields.
4174
4175 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4176
4177         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
4178         Handle NE_EXPR guards.
4179
4180 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4181
4182         PR c++/24924
4183         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
4184         Set also -pedantic-errors by default for the  preprocessor unless
4185         -fpermissive is given.
4186
4187 2007-03-15  Richard Guenther  <rguenther@suse.de>
4188
4189         PR middle-end/29719
4190         PR middle-end/31161
4191         * builtins.c (expand_builtin_cexpi): As a fallback if we
4192         don't have builtins for sincos or cexp create a function
4193         declaration for cexp and expand to a call to that.
4194         (expand_builtin_int_roundingfn): Always fall
4195         back to floor/ceil and its variants even if they may be
4196         not available.
4197
4198 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
4199
4200         PR middle-end/31159
4201         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
4202         jump tables, move the call to delete_dead_jumptables from here...
4203         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
4204         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
4205         don't allow merging of blocks that try_redirect_by_replacing_jump
4206         also does not handle when not optimizing.
4207
4208 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4209             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4210
4211         * config/i386/i386.md (x86_sahf_1): Correctly handle
4212         HAVE_AS_IX86_SAHF.
4213
4214 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4215
4216         PR target/31167
4217         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
4218         x86_64_general_operand as operand[2] predicate.  Remove "iF"
4219         from operand constraints and use "e" constraint instead.
4220         (*subti3_1, *subti3_1 splitter): Ditto.
4221         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
4222         operand[1] predicate.
4223
4224 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
4225
4226         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
4227         arrays, multiply the access strides by the size of the sub-array.
4228         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
4229
4230 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4231
4232         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
4233         the configured assembler supports the sahf mnemonic.
4234         * configure: Regenerate.
4235         * config.in: Regenerate.
4236
4237         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
4238         emit "sahf" or ".byte\t0x9e" as asm template.
4239
4240 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
4241
4242         PR 31018
4243         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
4244         option to replace hard coded TARGET_xxx in md file.
4245         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
4246         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4247         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
4248         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
4249         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
4250         (X86_TUNE_NOT_VECTORMODE): Ditto.
4251         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
4252         (TUNE_AVOID_VECTOR_DECODE): Ditto.
4253         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4254         (TUNE_SLOW_IMUL_IMM8): Ditto.
4255         (TUNE_MOVE_M1_VIA_OR): Ditto.
4256         (TUNE_NOT_UNPAIRABLE): Ditto.
4257         (TUNE_NOT_VECTORMODE): Ditto.
4258
4259         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
4260         options.
4261
4262         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
4263         tuning options instead of hard coded TARGET_xxx.
4264         (fix ssemode peephole2's): Ditto.
4265         (imul peephole2's): Ditto.
4266         (movsi_or): Ditto.
4267         (movdi_or_rex64): Ditto.
4268         (move peephole2): Ditto.
4269         (not peephole2's): Ditto.
4270
4271 2007-03-14  Dirk Mueller  <dmueller@suse.de>
4272
4273         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
4274         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
4275         * c-parser.c (c_parser_if_body): Always add an empty statement in case
4276         of empty body.
4277         * c-parser.c (c_parser_do_statement): Warn about empty body in
4278         do/while statement.
4279         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
4280         * doc/invoke.texi (-Wempty-body): Update documentation.
4281
4282 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4283
4284         PR c/21438
4285         * c-common.h (warn_for_div_by_zero): Declare.
4286         * c-common.c (warn_for_div_by_zero): Define.
4287         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
4288         warning.
4289
4290 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4291
4292         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
4293         to PREFIX and STANDARD_PREFIX.
4294
4295 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4296             Phil Edwards  <phil@codesourcery.com>
4297
4298         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
4299         (__gthread_once_t): Remove busy field for RTPs.
4300         (__GTHREAD_ONCE_INIT): Update accordingly.
4301
4302 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4303
4304         * doc/invoke.texi: Document VxWorks options.
4305
4306 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4307
4308         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
4309
4310 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
4311
4312         PR tree-optimization/30590
4313         * tree-nrv.c (tree_nrv): Check for the partial update of the
4314         return value.
4315
4316 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4317
4318         * flags.h (flag_random_seed): Remove declaration, in favor of...
4319         * toplev.h (get_random_seed, set_random_seed): ... these.
4320         * tree.c (get_file_function_name): Use the former.
4321         * opts.c (common_handle_option): Use the latter.
4322         * toplev.c
4323
4324 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
4325
4326         PR middle-end/31127
4327         * cse.c (cse_find_path): Do not bail out if a basic block that
4328         we already visited now becomes part of a path that starts at a
4329         different basic block.  Just disallow this, to make sure we
4330         visit each basic block at most once.
4331
4332 2007-03-13  Jan Hubicka  <jh@suse.cz>
4333
4334         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4335         when profile esitmate is present, calls with very low frequency are
4336         cold.
4337
4338 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
4339
4340         PR tree-optimization/30730
4341         PR tree-optimization/26900
4342         * tree-ssa-loop-niter.c: Include gmp.h.
4343         (bounds): New type.
4344         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4345         split_to_var_and_offset, determine_value_range,
4346         bound_difference_of_offsetted_base, refine_bounds_using_guard,
4347         bound_difference, bounds_add, bounds_negate,
4348         number_of_iterations_ne_max, dump_affine_iv): New functions.
4349         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4350         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
4351         difference of initial and final value of control iv to validate
4352         results.
4353         (number_of_iterations_cond): Add loop parameter.  Determine bounds
4354         on the difference of the extremes of the control iv.  Add dumps.
4355         (expand_simple_operations): Handle phi nodes.
4356         (simplify_using_initial_conditions): Do not record used conditions.
4357         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
4358         Do not set additional_info.
4359         (implies_nonnegative_p, implies_ge_p): Removed.
4360         (derive_constant_upper_bound): Do not use parameter `additional'.
4361         (record_estimate): Parameter `additional' removed.  Parameter
4362         `i_bound' added.  Do not call derive_constant_upper_bound.
4363         (record_nonwrapping_iv): Use derive_constant_upper_bound to
4364         bound the number of iterations estimate.
4365         (estimate_numbers_of_iterations_loop): Pass the estimate from
4366         the number of iterations analysis to record_estimate.
4367         * tree.h (multiple_of_p): Declare.
4368         * tree-scalar-evolution.c (expression_expensive_p): Removed.
4369         (scev_const_prop): Do not check expression_expensive_p.
4370         * fold-const.c (multiple_of_p): Exported.
4371         * double-int.c (double_int_mask): Exported.
4372         * double-int.h (double_int_mask): Declare.
4373         * tree-flow.h (struct tree_niter_desc): Removed additional_info
4374         field.  Added max field.
4375
4376 2007-03-13  David Taylor  <taylor@candd.org>
4377
4378         PR driver/12448:
4379         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
4380         default -MQ.
4381
4382 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4383
4384         PR target/31123
4385         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
4386         two unamed patterns.
4387
4388 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
4389
4390         * config/i386/i386.opt (mcx16, msahf): New options.
4391         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4392         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4393
4394         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4395         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4396         Output -mcx16 and -msahf options when corresponding bit is set.
4397
4398         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
4399         and -msahf options.
4400
4401 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4402
4403         * configure.ac: Test for assembler tolerance to # 0 "".
4404         * configure, config.in: Rebuilt.
4405         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
4406
4407 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
4408
4409         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
4410
4411         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
4412         (handle_syscall): Handle direct system calls.
4413         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
4414
4415 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4416
4417         * doc/invoke.texi: Fix cpp.info cross-reference.
4418         * doc/passes.texi: Fix gcc.info cross-reference.
4419
4420 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
4421
4422         PR tree-optimization/30835
4423         * lambda-code.c (can_convert_to_perfect_nest): Check whether
4424         bb_for_stmt is not NULL before accessing it.
4425
4426 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
4427
4428         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
4429         some multilibs.
4430
4431 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4432
4433         PR 30635
4434         * doc/install.texi: Document --enable-stage1-languages
4435
4436 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
4437
4438         * tree-pass.h (pass_into_cfg_layout_mode,
4439         pass_outof_cfg_layout_mode): Declare.
4440         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
4441         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
4442         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
4443         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
4444
4445 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
4446
4447         * c-decl.c (warn_variable_length_array): New function.
4448         Refactored from grokdeclarator to handle warn_vla
4449         and handle unnamed array case.
4450         (grokdeclarator): Refactored VLA warning case.
4451         * c.opt (Wvla): New flag.
4452         * doc/invoke.texi (Wvla): New warning.
4453
4454 2007-03-12  Richard Henderson  <rth@redhat.com>
4455
4456         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
4457         (TARGET_SECTION_TYPE_FLAGS): New.
4458
4459 2007-03-12  Richard Henderson  <rth@redhat.com>
4460
4461         * config/darwin.c (machopic_reloc_rw_mask): New.
4462         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
4463         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
4464
4465 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
4466
4467         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
4468         * cppdefault.h (cpp_PREFIX): Document.
4469         (cpp_PREFIX_len): Likewise.
4470         (cpp_EXEC_PREFIX): New variable.
4471         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
4472         * c-incpath.c (add_standard_paths): Correct logic for relocating
4473         paths within prefix.
4474
4475 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
4476
4477         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
4478         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
4479         mode macro.
4480         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
4481         fix_truncdfdi_sse using SSEMODEF mode macro.
4482         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
4483         fix_truncdfsi_sse using SSEMODEF mode macro.
4484         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
4485         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
4486
4487 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
4488
4489         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
4490         elfos.h to tm_file.
4491
4492 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
4493
4494         * tree.h : Add multiple_of_p declaration.
4495         * fold-const.c (multiple_of_p): Make multiple_of_p public.
4496         * ipa-type-escape.c (results_of_malloc): Redundant.
4497         (visited_stmts): New. Visited stmt for walk_use_def_chains.
4498         (cast_type): Extended with new members.
4499         (check_cast): Returns cast_type.
4500         (cast): New structure for data of walk_use_def_chains.
4501         (is_malloc_result, is_cast_from_non_pointer_1,
4502         is_cast_from_non_pointer,
4503         is_array_access_through_pointer_and_index): New functions.
4504         (look_for_casts): Returns cast types.
4505         (check_call): Returns void.
4506         (okay_pointer_operation): Use support of pointer plus index,
4507         pointer plus constant and allow all multiplications.
4508
4509 2007-03-11  Richard Guenther  <rguenther@suse.de>
4510
4511         PR tree-optimization/31115
4512         * tree-vrp.c (extract_range_from_binary_expr): Make sure
4513         the shift count is positive and non-anti-range for RSHIFT_EXPR.
4514         A shift count of zero is not special as with *_DIV_EXPR.
4515         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
4516         direction.
4517
4518 2007-03-11  Ian Lance Taylor  <iant@google.com>
4519
4520         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
4521         the *_DIV_EXPR codes correctly with overflow infinities.
4522
4523 2007-03-11  Ira Rosen  <irar@il.ibm.com>
4524
4525         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
4526         indicate success/failure of the analysis. Add negation to subtrahend
4527         in case of subtraction. Fail if both operands contain constants.
4528         (create_data_ref): Fail if analyze_offset fails.
4529
4530 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
4531
4532         * config/i386/i386.md (frndintxf2): Rename to ...
4533         (rintxf2): ... this. Remove expander having same name.
4534         (rintsf2, rintdf2): Implement using SSEMODEF macro.
4535         (roundsf2, rounddf2): Ditto.
4536         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
4537         (lround<mode>di2, lround<mode>si2): Ditto.
4538
4539 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
4540
4541         * lower-subreg.c: Include except.h.
4542         (decompose_multiword_subregs): Verify that the only control flow
4543         insns we can split are loads to multi-words pseudos.
4544         Handle breaking such blocks after splitting, instead of calling
4545         find_many_sub_basic_blocks.
4546
4547         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
4548         on the new basic block.  Add a lengthy comment explaining why we
4549         thought this was necessary.
4550         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
4551
4552 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
4553
4554         PR c++/30924
4555         * tree.c (walk_type_fields): Recurse into the element type of
4556         ARRAY_TYPEs if there is a pointer set.
4557
4558 2007-03-10  Dirk Mueller  <dmueller@suse.de>
4559
4560         * c-common.c (warn_logical_operator): Fix condition.
4561
4562 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
4563
4564         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4565         quotation mark.
4566         * config/darwin.c (machopic_select_section): Remove superfluous
4567         argument in call to categorize_decl_for_section.  Remove unused
4568         variable shlib.
4569
4570 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
4571
4572         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4573         defined.
4574         * configure: Regenerate.
4575
4576 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
4577
4578         PR target/31101
4579         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4580         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4581         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4582         Add LABEL_NUSES to emitted label.
4583         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4584         branch probability value to emitted jump insn.
4585         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4586         Do not check life information and do not re-arrange input operands
4587         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4588
4589 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4590
4591         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4592         the change of decode_asm_operands.
4593
4594 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4595
4596         * mode-switching.c (create_pre_exit): Skip blockage insn.
4597
4598 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
4599
4600         * tree-pass.h (TODO_update_smt_usage): Remove.
4601         Update all users.
4602         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4603         argument SOME.
4604         Update all users.
4605
4606 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4607
4608         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4609         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4610         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
4611         SOM target.
4612
4613 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
4614
4615         * gcc.c: Document %{, in big comment at top.
4616         (input_suffix_matches): Remove special handling for .s and
4617         .S.
4618         (input_spec_matches): New.
4619         (handle_braces): Handle %{,.
4620         (validate_switches): ',' indicates a value which is not a switch.
4621         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4622         to detect assembler input.
4623         * config/i386/sol2.h (CPP_SPEC): Likewise.
4624         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4625         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4626         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4627         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4628         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4629         -m64 causes deployment target to default to 10.5.
4630         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4631
4632 2007-03-09  Richard Henderson  <rth@redhat.com>
4633
4634         PR target/26090
4635         * target.h (targetm.asm.out.reloc_rw_mask): New.
4636         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
4637         (TARGET_ASM_OUT): Use it.
4638         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
4639         * varasm.c (categorize_decl_for_section): Remove shlib argument;
4640         use the new reloc_rw_mask target hook instead.
4641         (default_section_type_flags_1): Merge into...
4642         (default_section_type_flags): ... here.
4643         (decl_readonly_section_1): Merge into...
4644         (decl_readonly_section): ... here.
4645         (default_elf_select_section_1): Merge into...
4646         (default_elf_select_section): ... here.
4647         (default_unique_section_1): Merge into...
4648         (default_unique_section): ... here.
4649         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
4650         (default_select_rtx_section): Use it.
4651         (default_elf_select_rtx_section): Likewise.
4652         * output.h: Update to match.
4653         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
4654         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
4655         (TARGET_ASM_RELOC_RW_MASK): New.
4656         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
4657         to categorize_decl_for_section.
4658         (x86_64_elf_unique_section): Likewise.
4659         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
4660         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
4661         (TARGET_ASM_RELOC_RW_MASK): New.
4662         * config/ia64/ia64.c (ia64_rwreloc_select_section,
4663         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
4664         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
4665         (TARGET_RWRELOC): Remove.
4666         (ia64_section_type_flags): Adjust call to default_section_type_flags.
4667         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4668         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
4669         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
4670         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
4671         (rs6000_xcoff_select_section): Use decl_readonly_section.
4672         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
4673         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4674         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
4675         (TARGET_SECTION_TYPE_FLAGS): Remove.
4676         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
4677
4678 2007-03-09  Roger Sayle  <roger@eyesopen.com>
4679
4680         * fold-const.c (fold_comparison): Remove compile-time evaluation of
4681         complex constant equality/inequality comparisons for here.
4682         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
4683         known at compile-time or can be simplified to a scalar comparison.
4684         (fold_relational_const): Move compile-time evaluation of complex
4685         constant equality/inequality comparisons to here.
4686
4687 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4688
4689         PR rtl-optimization/30643
4690         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
4691         dest_addr_elt.
4692         (fold_rtx): Recurse, like before 2006-11-03.
4693
4694 2007-03-09  DJ Delorie  <dj@redhat.com>
4695
4696         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
4697         m32c-pragma.o.
4698
4699 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
4700
4701         PR tree-optimization/30375
4702         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
4703         LHS of statements is not the same.
4704         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
4705
4706 2007-03-09  Chao-ying Fu  <fu@mips.com>
4707
4708         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
4709         REV 2.
4710         * doc/invoke.texi (-mdspr2): Document new option.
4711         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
4712         New unspec for DSP REV 2.
4713         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
4714         these instructions are extended in DSP REV 2.
4715         (mips-dspr2.md): Include.
4716         * config/mips/mips.opt (mdspr2): New option.
4717         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
4718         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
4719         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
4720         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
4721         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
4722         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
4723         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
4724         and 2 builtins.
4725         (bdesc_map): Add one field of unsupported_target_flags.
4726         (bdesc_arrays):  Update entries to have extra fields.  Add
4727         dsp_32only_bdesc.
4728         (mips_init_builtins): Initialize new function types.
4729         Check unsupported_target_fileds to filter out builtins.
4730         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
4731         TARGET_DSPR2.
4732         (ASM_SPEC): Pass mdspr2 to the assembler.
4733         * config/mips/mips-dspr2.md: New file.
4734
4735 2007-03-09  Sa Liu  <saliu@de.ibm.com>
4736
4737         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
4738
4739 2007-03-09  Ian Lance Taylor  <iant@google.com>
4740
4741         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
4742         argument) like -Wstrict-overflow=2.
4743         * doc/invoke.texi (Warning Options): Update documentation.
4744
4745 2007-03-09  Dirk Mueller  <dmueller@suse.de>
4746
4747         PR c++/17946
4748         * doc/invoke.texi (-Wlogical-op): Document.
4749         * common.opt (-Wlogical-op): New.
4750         * c-common.h (warn_logical_operator): Declare.
4751         * c-common.c (warn_logical_operator): Define.
4752         * c-typeck.c (parser_build_binary_op): Call
4753         warn_logical_operator.
4754
4755 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4756
4757         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
4758         * final.c (final_scan_insn): Test for non-"" file name.
4759
4760 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
4761
4762         * doc/loop.texi: Document the Omega linear constraints solver.
4763         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
4764         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
4765         omega-hash-table-size, omega-max-keys, and
4766         omega-eliminate-redundant-constraints.
4767         * tree-pass.h (pass_check_data_deps): Declared.
4768         * omega.c: New.
4769         * omega.h: New.
4770         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
4771         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
4772         pass_check_data_deps): New.
4773         * tree-data-ref.c (init_data_ref): Remove declaration.
4774         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
4775         (analyze_array): Renamed init_array_ref, move up initializations.
4776         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
4777         Removed arguments that are set to NULL.
4778         (analyze_indirect_ref): Correct indentation, correct call to
4779         init_pointer_ref.
4780         (object_analysis): Call init_array_ref instead of analyze_array.
4781         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
4782         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
4783         of DR_ACCESS_FNS_ADDR.
4784         (init_omega_eq_with_af, omega_extract_distance_vectors,
4785         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
4786         ddr_consistent_p): New.
4787         (compute_affine_dependence): Check consistency of ddrs when
4788         flag_check_data_deps is passed.
4789         (analyze_all_data_dependences): Uncomment.
4790         (tree_check_data_deps): New.
4791         * tree-data-ref.h: Include omega.h.
4792         (DR_ACCESS_FNS_ADDR): Removed.
4793         (data_dependence_relation): Add inner_loop.
4794         (DDR_INNER_LOOP): New.
4795         * common.opt (fcheck-data-deps): New.
4796         * tree-flow.h (tree_check_data_deps): Declare.
4797         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
4798         (OBJS-common): Depend on omega.o.
4799         (omega.o): Define.
4800         * passes.c (pass_check_data_deps): Scheduled.
4801         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
4802         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
4803         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
4804         PARAM_VECT_MAX_VERSION_CHECKS,
4805         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
4806
4807 2007-03-09  Richard Guenther  <rguenther@suse.de>
4808
4809         PR tree-optimization/30904
4810         PR middle-end/31058
4811         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
4812         the same way as *_DIV_EXPR.
4813
4814 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4815
4816         * recog.c (decode_asm_operands): No mixed declarations and code.
4817
4818 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4819
4820         * rtl.def (ASM_INPUT): Add location.
4821         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
4822         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
4823         (decode_asm_operands): Add loc operand.
4824         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
4825         * stmt.c (expand_asm): Rename to...
4826         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
4827         gen_rtx_ASM_INPUT_loc.
4828         (expand_asm_expr): Adjust.
4829         * recog.c (decode_asm_operands): Add loc operand.
4830         (check_asm_operands, extract_insn): Adjust.
4831         * reload1.c (maybe_fix_stack_asms): Likewise.
4832         * final.c (asm_insn_count): Likewise.
4833         (final_scan_insn): Output # line before and after asm.
4834
4835 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
4836
4837         * tree-ssa-structalias.c (variable_info): Remove
4838         finished_solution.
4839         (new_var_info): Ditto.
4840         (shared_bitmap_info_t): New structure.
4841         (shared_bitmap_table): New variable.
4842         (shared_bitmap_hash): New function.
4843         (shared_bitmap_eq): Ditto
4844         (shared_bitmap_lookup): Ditto.
4845         (shared_bitmap_add): Ditto.
4846         (merge_smts_into): Change to take bitmap directly.
4847         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
4848         (init_alias_vars): Init shared bitmap hashtable.
4849         (delete_points_to_sets): Delete shared bitmap hashtable.
4850         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
4851         is_aliased removal as a change that was still necessary was
4852         deleted.
4853
4854 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
4855
4856         * config/i386/i386.h (override_options): Conditionally disable
4857         x86_sahf for 64bit targets only.
4858
4859 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4860
4861         PR C/31072
4862         * c-decl.c (merge_decls): Don't call make_var_volatile.
4863         * varasm.c (make_var_volatile): Remove.
4864         * output.h (make_var_volatile): Remove.
4865
4866 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
4867
4868         PR tree-optimization/31085
4869         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
4870
4871 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4872
4873         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
4874         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
4875         ATTR_CONST_NOTHROW_LIST.
4876
4877         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4878         FIX_TRUNC_EXPR.
4879
4880 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
4881
4882         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
4883
4884 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
4885
4886         PR 31013
4887         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
4888         is declared.
4889         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
4890         passed, use shared libgcc.
4891
4892 2007-03-08  Roger Sayle  <roger@eyesopen.com>
4893
4894         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
4895         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4896         (honor_protect_cleanup_actions, lower_try_finally_switch):
4897         Likewise.
4898         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
4899         ifc_temp_var): Likewise.
4900         * tree-inline.c (setup_one_parameter): Likewise.
4901         * tree-mudflap.c (mf_decl_cache_locals,
4902         mf_build_check_statement_for): Likewise.
4903         * tree-nested.c (init_tmp_var, save_tmp_var,
4904         finalize_nesting_tree_1): Likewise.
4905         * tree-outof-ssa.c (insert_copy_on_edge,
4906         insert_backedge_copies): Likewise.
4907         * tree-profile.c (tree_gen_edge_profiler,
4908         tree_gen_ic_profiler): Likewise.
4909         * tree-scalar-evolution.c (scev_const_prop): Likewise.
4910         * tree-sra.c (sra_build_assignment): Likewise.
4911         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
4912         * tree-ssa-math-opts.c (insert_reciprocals,
4913         execute_cse_sincos_1): Likewise.
4914         * tree-tailcall.c (adjust_accumulator_values,
4915         adjust_return_value): Likewise.
4916         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
4917         * tree-vect-transform.c (vect_create_data_ref_ptr,
4918         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
4919         vect_create_epilog_for_reduction, vectorizable_reduction,
4920         vectorizable_call, vectorizable_conversion,
4921         vectorizable_assignment, vectorizable_operation,
4922         vectorizable_type_demotion, vect_gen_widened_results_half,
4923         vect_permute_store_chain, vectorizable_store,
4924         vect_setup_realignment, vect_permute_load_chain,
4925         vectorizable_load, vectorizable_condition,
4926         vect_create_cond_for_align_checks): Likewise.
4927         * tree-vrp.c (build_assert_expr_for): Likewise.
4928
4929 2007-03-08  Ian Lance Taylor  <iant@google.com>
4930
4931         * tree-vrp.c: Include "intl.h".
4932         (usable_range_p): New static function.
4933         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
4934         overflowed values, juts set *strict_overflow_p.
4935         (compare_values): Only return -2 if one of the operands is not a
4936         constant.
4937         (compare_ranges): Call usable_range_p.
4938         (compare_range_with_value): Likewise.
4939         (vrp_evaluate_conditional_warnv): Rename from
4940         vrp_evaluate_conditional.  Make static.  Change all callers.
4941         (vrp_evaluate_conditional): New function.
4942         (simplify_div_or_mod_using_ranges): Issue warning about reliance
4943         on signed overflow.
4944         (simplify_abs_using_ranges): Likewise.
4945         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
4946         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
4947         within_stmt parameter.
4948         * tree-ssa-propagate.c (fold_predicate_in): Update call to
4949         vrp_evaluate_conditional.
4950         * tree-ssa-threadedge.c
4951         (record_temporary_equivalences_from_stmts_at_dest): Change
4952         simplify parameter to take a second tree parameter.
4953         (simplify_control_stmt_condition): Likewise.
4954         (thread_across_edge): Likewise.
4955         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4956         (thread_across_edge): Likewise.
4957         * Makefile.in (tree-vrp.o): Depend upon intl.h.
4958
4959 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
4960
4961         * config/i386/i386.h (TARGET_SAHF): New define.
4962         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
4963         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
4964         (x86_sahf): New global variable.
4965         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
4966         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
4967         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
4968         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
4969         for 64-bit.
4970         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
4971         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
4972         when expanding fcomi/sahf based tests.
4973         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
4974         expanding sahf based alternative. Emit sahf based sequence when
4975         optimizing for code size.
4976         * config/i386/i386.md (x86_sahf_1): Do not disable for
4977         TARGET_64BIT, enable for TARGET_SAHF.
4978
4979 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
4980
4981         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
4982         spurious whitespace from error message.
4983
4984 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
4985
4986         PR c++/30852
4987         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
4988
4989 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
4990
4991         * c-decl.c (grokdeclarator): Disable warnings for anonymous
4992         bitfields.
4993         * tree-sra.c (instantiate_element): Propagate disabled warnings
4994         from the element itself to the created variable.
4995
4996 2007-03-07  Richard Henderson  <rth@redhat.com>
4997
4998         PR target/30848
4999         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
5000         silently fix up the stack in the case of a missing register.
5001
5002 2007-03-07  Paul Brook  <paul@codesourcery.com>
5003
5004         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
5005
5006 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
5007
5008         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
5009         New.
5010         (phase1_vrs): Use them.
5011         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
5012         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
5013         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
5014         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
5015         __gnu_Unwind_Restore_WMMXC if required.
5016         (_Unwind_VRS_Pop): Implement iWMMXt support.
5017         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
5018         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
5019         gnu_Unwind_Save_WMMXC): Define.
5020
5021 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5022
5023         * config/vxworks.h (vxworks_override_options): Declare.
5024         (VXWORKS_OVERRIDE_OPTIONS): Use it.
5025         * config/vxworks.c: Include target.h and toplev.h.
5026         (vxworks_override_options): New function.
5027         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
5028
5029 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5030
5031         * config/s390/s390.c (override_options): Don't emit an error when
5032         -mstack-size is used without providing -mstack-guard.
5033         (s390_emit_prologue): Choose stack_guard value automatically if not
5034         provided via command line.
5035         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
5036
5037 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5038
5039         * config/i386/i386.c (output_set_got): Add a GOT initialization
5040         sequence for VxWorks PIC.
5041         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
5042         around labels as well as symbols.  Use gotoff_operand instead
5043         of local_symbolic_operand.
5044         (legitimize_pic_address): Use gotoff_operand instead of
5045         local_symbolic_operand.  Use @GOT accesses for labels as
5046         well as symbols.
5047         (ix86_output_addr_diff_elt): Use PC-relative rather than
5048         GP-relative offsets for VxWorks PIC.
5049         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
5050         no_new_pseudos.  Check whether the returned register is op0.
5051         * config/i386/i386.md (tablejump): Use PC-relative rather than
5052         GP-relative offsets for VxWorks PIC.
5053         * config/i386/predicates.md (gotoff_operand): New predicate.
5054
5055 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5056
5057         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
5058         before defining.
5059         * config/vxworks-dummy.h: New file.
5060         * config/i386/i386.h: Include it.
5061
5062 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
5063
5064         * dwarf2out.c (is_inlined_entry_point): New
5065         (add_high_low_attributes): Emit DW_AT_entry_pc along with
5066         DW_AT_ranges if the first subblock is the entry point.
5067
5068 2007-03-06  David Daney  <ddaney@avtrex.com>
5069
5070         * doc/install.texi (mips-*-*): Change recommended binutils
5071         version.
5072
5073 2007-03-06  Anatoly Sokolov <aesok@post.ru>
5074
5075         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
5076         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
5077         devices.
5078         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5079         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5080
5081 2007-03-06  Jan Hubicka  <jh@suse.cz>
5082
5083         * errors.h (warning, error, fatal, internal_error): Mark as cold.
5084         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
5085         are hot.
5086         (probably_cold_bb_p): Cold functions are cold.
5087         (probably_never_executed_bb_p): Cold functions are cold.
5088         (tree_bb_level_predictions): Predict calls to cold functions as not
5089         taken.
5090         (compute_function_frequency): Check hot/cold attributes.
5091         * function.h (function_frequency): Update comments.
5092         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
5093         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
5094         (c_common_att): Add cold and hot.
5095
5096         * doc/extend.texi (hot,cold attributes): Document.
5097
5098 2007-03-06  Andrew Haley  <aph@redhat.com>
5099
5100         * function.c (expand_function_end): Move blockage to just after we
5101         emit the label for the naked return from the function.
5102
5103 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5104
5105         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
5106         before redefining.
5107
5108 2007-03-06  Jan Hubicka  <jh@suse.cz>
5109
5110         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
5111         loaded for constant large models.  Non-large 64bit PIC can do.
5112         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
5113         * cmodel.h: Add LARGE PIC.
5114         * i386.md (UNSPEC_PLTOFF): New.
5115         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
5116         needed.
5117         (*call_1_rex64): Disable for large models.
5118         (*call_1_rex64_large): New.
5119         (*call_value_1_rex64): Disable for large models.
5120         (*call_value_1_rex64_large): New.
5121         (set_rip_rex4): New.
5122         (set_got_offset_rex64): New.
5123         * predicates.md (constant_call_address_operand): For large model
5124         constant calls are not possible.
5125         * i386-protos.h (construct_plt_address): Declare.
5126         * i386.c (override_options): Accept large models.
5127         (ix86_expand_prologue): Expand large PIC GOT pointer load.
5128         (legitimate_constant_p): Add new UNSPECs.
5129         (legitimate_pic_operand_p): Likewise.
5130         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
5131         (legitimize_pic_address): Do easy RIP relative way for TLS only for
5132         non-large model.
5133         (output_pic_addr_const): Add PLTOFF.
5134         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
5135         (ix86_expand_move): Legitimize pic address when in PIC mode.
5136         (construct_plt_address): New function.
5137         (ix86_expand_call): Offload the address to register and use GOT pointer
5138         for large model.
5139         * invoke.texi (mcmodel=large): Update documentation.
5140
5141 2007-03-06  Richard Henderson  <rth@redhat.com>
5142
5143         * config/i386/i386.c (x86_use_leave, x86_push_memory,
5144         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
5145         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
5146         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
5147         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
5148         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
5149         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
5150         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
5151         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
5152         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5153         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5154         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
5155         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5156         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5157         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
5158         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
5159         x86_schedule, x86_use_bt, x86_pad_returns,
5160         x86_use_xchgb): Merge into ...
5161         (ix86_tune_features): ... here.  New array.
5162         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5163         x86_bswap): Merge into ...
5164         (ix86_arch_features): ... here.  New array.
5165         (x86_3dnow_a): Remove.
5166         (x86_accumulate_outgoing_args): Make static.
5167         (x86_arch_always_fancy_math_387): Make static.
5168         (ix86_tune_mask, ix86_arch_mask): Move ...
5169         (override_options): ... to local variables here.  Apply the
5170         appropriate mask to each element of ix86_arch_features and
5171         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
5172         as were done in the old macros.
5173         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
5174         * config/i386/i386.h (x86_use_leave, x86_push_memory,
5175         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
5176         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
5177         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
5178         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
5179         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
5180         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
5181         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
5182         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
5183         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
5184         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5185         x86_accumulate_outgoing_args, x86_prologue_using_move,
5186         x86_epilogue_using_move, x86_decompose_lea,
5187         x86_arch_always_fancy_math_387, x86_shift1,
5188         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5189         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5190         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
5191         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5192         x86_use_incdec, x86_pad_returns, x86_bswap,
5193         x86_partial_flag_reg_stall): Remove.
5194         (enum ix86_tune_indices): New.
5195         (ix86_tune_features): New.
5196         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
5197         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
5198         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
5199         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
5200         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
5201         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
5202         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
5203         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
5204         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
5205         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
5206         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
5207         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
5208         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
5209         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
5210         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
5211         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
5212         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
5213         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
5214         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
5215         TARGET_EXT_80387_CONSTANTS): Use it.
5216         (enum ix86_arch_indices): New.
5217         (ix86_arch_features): New.
5218         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
5219         TARGET_BSWAP): Use it.
5220         (ix86_tune_mask, ix86_arch_mask): Remove.
5221
5222 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
5223
5224         PR bootstrap/31020
5225         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
5226         Define using $${sysroot_headers_suffix}.
5227         * configure: Regenerate.
5228         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
5229         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
5230         defined.
5231         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
5232         * gcc.c (print_sysroot_headers_suffix): New.
5233         (option_map): Include --print-sysroot-headers-suffix.
5234         (display_help): Mention -print-sysroot-headers-suffix.
5235         (process_command): Handle -print-sysroot-headers-suffix.
5236         (do_spec_1): Append multilib directory to include-fixed path if
5237         sysroot suffixes in use.
5238         (main): Handle -print-sysroot-headers-suffix.
5239         * Makefile.in (start.encap): Don't depend on xlimits.h
5240         (xlimits.h): Remove.
5241         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
5242         limits.h for each multilib in fixinc_list.
5243         (fixinc_list, s-fixinc_list): New.
5244         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
5245         generate them for each multilib in fixinc_list.
5246         (stmp-fixproto): Use include-fixed.  Run fixproto for each
5247         multilib in fixinc_list.
5248         (mostlyclean): Don't remove xlimits.h.
5249         (clean): Remove include-fixed.
5250         (real-install-headers-tar, real-install-headers-cpio,
5251         real-install-headers-cp): Don't copy include, only include-fixed.
5252         (install-mkheaders): Depend on fixinc_list.  Don't depend on
5253         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
5254         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
5255         SYSTEM_HEADER_DIR setting in mkheaders.conf.
5256
5257 2007-03-06  Jan Hubicka  <jh@suse.cz>
5258
5259         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
5260         NANs easilly.
5261
5262 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5263
5264         * configure.ac: Allow tm_file to contain build-directory files.
5265         * configure: Regenerate.
5266         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
5267         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
5268         * config/m68k/print-sysroot-suffix.sh: New file.
5269
5270 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5271
5272         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
5273         of pic_offset_table_rtx if reload_completed.
5274         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
5275         PIC_OFFSET_TABLE_REGNUM.
5276         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
5277         return true.
5278         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
5279         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
5280
5281 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5282
5283         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5284         functions that call eh_return.
5285
5286 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5287
5288         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5289         functions that need a constant pool.
5290
5291 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5292
5293         PR target/28181
5294         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
5295         (m68k_preferred_reload_class): Likewise.
5296         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
5297         (SECONDARY_RELOAD_CLASS): Define.
5298         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
5299         (LIMIT_RELOAD_CLASS): Delete.
5300         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
5301         registers from storing bytes.
5302         (m68k_secondary_reload_class): New function.
5303         (m68k_preferred_reload_class): Likewise.
5304
5305 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5306
5307         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
5308         leaf functions.
5309         (m68k_expand_prologue): Likewise.
5310
5311 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5312
5313         * config/m68k/m68k-protos.h (output_sibcall): Declare.
5314         (mips_expand_epilogue): Add a bool parameter.
5315         (m68k_legitimize_sibcall_address): Declare.
5316         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5317         (m68k_expand_epilogue): Add a parameter to select between sibling
5318         and normal epilogues.  Only generate a return for the latter.
5319         (m68k_ok_for_sibcall_p): New function.
5320         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5321         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5322         (sibcall_value, *sibcall_value): Likewise.
5323         (*call, *call_value): Require !SIBLING_CALL_P.
5324         (epilogue): Update call to m68k_expand_epilogue.
5325         (sibcall_epilogue): New pattern.
5326         * config/m68k/predicates.md (const_call_operand): Say that this
5327         predicate applies to sibling calls too.
5328         (sibcall_operand): New predicate.
5329
5330 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5331
5332         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5333         alternatives as movsi_cf.
5334         (movsf_cf_hard): Add commentary.
5335
5336 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
5337             Richard Sandiford  <richard@codesourcery.com>
5338
5339         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5340         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5341         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5342         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
5343         as being live on exit from an interrupt function.
5344         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5345         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5346         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5347         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5348         (m68k_interrupt_function_p): Globalize.
5349         (m68k_compute_frame_layout): Remove reverse mask code.
5350         (m68k_emit_movem, m68k_set_frame_related): New functions.
5351         (m68k_output_function_prologue): Delete in favor of...
5352         (m68k_expand_prologue): ...this new function.
5353         (m68k_output_function_epilogue): Delete in favor of...
5354         (m68k_expand_epilogue): ...this new function.
5355         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
5356         functions.
5357         (print_operand): Handle %?.
5358         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
5359         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
5360         (prologue, epilogue): New patterns.
5361         (return): Turn into a define_expand.
5362         (*return): New pattern, derived from old "return" pattern.  Use rte
5363         rather than rts for interrupt functions.  Only use rtd if the pop
5364         count is nonzero.
5365         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
5366         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
5367         (link, *link, unlink, *unlink, load_got): Likewise.
5368
5369 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5370
5371         PR target/23482
5372         PR target/17114
5373         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
5374         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
5375         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
5376         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
5377         and m68k_matches_u_p.
5378         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
5379         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
5380         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
5381         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
5382         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
5383         (REG_STRICT_P): New macro.
5384         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
5385         PCREL_GENERAL_OPERAND_OK.
5386         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
5387         m68k_legitimate_base_reg_p.
5388         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5389         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5390         (PIC_CASE_VECTOR_ADDRESS): Update comment.
5391         * config/m68k/m68k.c (m68k_address): New structure.
5392         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5393         (m68k_decompose_index, m68k_legitimate_constant_address_p)
5394         (m68k_jump_table_ref_p, m68k_decompose_address)
5395         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5396         (m68k_matches_u_p): New functions.
5397         (print_operand_address): Rewrite to use m68k_decompose_index.
5398
5399 2007-03-05  David Taylor  <dtaylor@emc.com>
5400
5401         * gcc.c: Correct copyright date in --version output.
5402
5403 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5404
5405         * pa.md: In unamed move patterns, disparge copies between general
5406         and floating point registers using '?' modifier.  Don't include 'f'
5407         constraint for register preferences in DImode, SImode, HImode and
5408         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
5409         Remove constraints for copies between general and floating registers
5410         in soft-float DFmode pattern.
5411         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
5412         floating register.
5413         (movsf): Likewise.
5414
5415 2007-03-05  Mike Stump  <mrs@apple.com>
5416
5417         * c-common.c (targetcm): Add.
5418         * c-opts.c (c_common_handle_option): Handle language specific
5419         target options.
5420         * opts.c (handle_option): Verify language for target options, if
5421         any are given.
5422         * opth-gen.awk: Add CL_LANG_ALL.
5423         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
5424         (TARGETCM_INITIALIZER): Add.
5425         * target.h (struct gcc_targetcm): Add.
5426         (targetcm): Add.
5427         * targhooks.c (default_handle_c_option): Add.
5428         * targhooks.h (default_handle_c_option): Add.
5429         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
5430
5431         * config/darwin.opt (iframework): Add.
5432         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
5433         * config/darwin-c.c (handle_c_option): Add.
5434         (TARGET_HANDLE_C_OPTION): Add.
5435         (targetcm): Add.
5436         * doc/invoke.texi (Darwin Options): Add -iframework.
5437
5438 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5439
5440         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
5441         conversion.
5442
5443 2007-03-05  Ian Lance Taylor  <iant@google.com>
5444
5445         * c.opt (fgnu89-inline): New option.
5446         * c-opts.c (c_common_post_options): Set default value for
5447         flag_gnu89_inline.
5448         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
5449         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
5450         inline functions.
5451         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
5452         (grokdeclarator, start_function): Likewise.
5453         * c-cppbuiltin.c (c_cpp_builtins): Define either
5454         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
5455         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
5456         (C Dialect Options): Document -fgnu89-inline.
5457         * doc/extend.texi (Function Attributes): Explain what the
5458         gnu_inline attribute does.
5459         * doc/cpp.texi (Common Predefined Macros): Document
5460         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
5461
5462 2007-03-05  Ian Lance Taylor  <iant@google.com>
5463
5464         PR tree-optimization/31034
5465         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
5466         half-range if the other side is an overflow infinity.
5467
5468 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5469
5470         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
5471         (bfin*-linux-uclibc*): New configuration.
5472         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
5473         defining.
5474         * config/bfin/linux.h: New file.
5475         * config/bfin/libgcc-bfin.ver: New file.
5476         * config/bfin/t-bfin-uclinux: New file.
5477         * config/bfin/t-bfin-linux: New file.
5478         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
5479         (TARGET_OS_CPP_BUILTINS): New macro.
5480
5481 2007-03-05  Richard Guenther  <rguenther@suse.de>
5482
5483         * fold-const.c (fold_binary): Remove duplicate folding
5484         of comparison of non-null ADDR_EXPR against null.
5485
5486 2007-03-05  Richard Guenther  <rguenther@suse.de>
5487             Dorit Nuzman  <dorit@il.ibm.com>
5488
5489         PR tree-optimization/26420
5490         * tree-vectorizer.c (vectorize_loops): Bail out early if there
5491         are no loops in the function.  Only print the number of
5492         vectorized loops if it is greater than zero or we are supposed
5493         to print information about unvectorized loops.
5494
5495 2007-03-05  Revital Eres  <eres@il.ibm.com>
5496
5497         * gcc.dg/var-expand1.c: New test.
5498         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
5499         when an accumulator is expanded.
5500
5501 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5502
5503         PR other/30465
5504         * c-common.c (convert_and_check): Don't give warnings for
5505         conversion if 'expr' already overflowed.
5506
5507 2007-03-04  Roger Sayle  <roger@eyesopen.com>
5508
5509         PR middle-end/30744
5510         * fold-const.c (fold_comparison): Enforce type consistency when
5511         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
5512
5513 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
5514
5515         * tree-ssa-address.c (create_mem_ref): Do not put an expression
5516         containing a cast to the base of TARGET_MEM_REF.
5517
5518 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
5519
5520         * tree.c (tree_contains_struct_check_failed): Remove spurious
5521         whitespace from error message.
5522
5523 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
5524
5525         PR target/30406
5526         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
5527         instead of precision.
5528
5529 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
5530             Nathan Sidwell  <nathan@codesourcery.com>
5531
5532         * emit-rtl.c (find_auto_inc): New.
5533         (try_split): recreate REG_INC notes,
5534         Use regular for loops rather than whiles.
5535
5536 2007-03-03  Andreas Schwab  <schwab@suse.de>
5537
5538         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
5539         * configure: Regenerate.
5540
5541 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5542
5543         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
5544         flag_rounding_math, not flag_unsafe_math_optimizations.
5545
5546         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
5547         fold_build2.
5548         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
5549         alpha_fold_vector_minmax): Likewise.
5550         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5551         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
5552
5553 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5554
5555         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5556         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5557         if the lhs has side-effects.
5558         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5559
5560 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5561
5562         * config/i386/i386.h (TUNEMASK): Remove define.
5563         (ARCHMASK): Remove define.
5564         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5565          Use ix86_arch_mask variable instead of ARCHMASK.
5566         * config/i386/i386.c (override_options): Ditto.
5567         (standard_80387_constant_p): Ditto.
5568
5569 2007-03-02  Ian Lance Taylor  <iant@google.com>
5570
5571         Used signed infinities in VRP.
5572         * tree-vrp.c (uses_overflow_infinity): New static function.
5573         (supports_overflow_infinity): New static function.
5574         (make_overflow_infinity): New static function.
5575         (negative_overflow_infinity): New static function.
5576         (positive_overflow_infinity): New static function.
5577         (is_negative_overflow_infinity): New static function.
5578         (is_positive_overflow_infinity): New static function.
5579         (is_overflow_infinity): New static function.
5580         (overflow_infinity_range_p): New static function.
5581         (compare_values_warnv): New function split out of compare_values.
5582         (compare_value): Call it.
5583         (set_value_range_to_nonnegative): Add overflow_infinity
5584         parameter.  Change caller.
5585         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5586         Change callers.
5587         (vrp_expr_computes_nonzero): Likewise.
5588         (compare_ranges, compare_range_with_value): Likewise.
5589         (compare_name_with_value, compare_names): Likewise.
5590         (vrp_evaluate_conditional): Likewise.
5591         (set_value_range): Handle infinity
5592         (vrp_operand_equal_p, operand_less_p): Likewise.
5593         (extract_range_from_assert): Likewise.
5594         (vrp_int_const_binop): Likewise.
5595         (extract_range_from_binary_expr): Likewise.
5596         (extract_range_from_unary_expr): Likewise.
5597         (extract_range_from_comparison): Likewise.
5598         (extract_range_from_expr): Likewise.
5599         (dump_value_range): Likewise.
5600         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5601         (test_for_singularity): Likewise.
5602         (vrp_int_const_binop): Remove inline qualifier.
5603         (adjust_range_with_scev): Add comment.
5604         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5605
5606 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
5607
5608         * tree-ssa-structalias.c (could_have_pointers): Tidy.
5609         (get_constraint_for): Likewise.
5610         (do_structure_copy): Likewise.
5611         (find_func_aliases): Fix references to MODIFY_EXPR.
5612         (intra_create_variable_infos): Tidy.
5613         * tree-ssa-operands.c (add_virtual_operand): Add argument
5614         IS_CALL_SITE.
5615         When adding members of alias sets, if IS_CALL_SITE is true and
5616         the symbol is not call-clobbered, skip it.
5617         Adjust all callers.
5618
5619 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5620
5621         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5622         entry by means of emit_insn_at_entry.
5623
5624 2007-03-02  Richard Henderson  <rth@redhat.com>
5625
5626         * expr.h (promoted_input_arg): Remove decl.
5627         * function.c (promoted_input_arg): Merge into ...
5628         * combine.c (setup_incoming_promotions): ... only caller.
5629         Rearrange to avoid double loop.
5630
5631 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5632             Peter Bergner  <bergner@vnet.ibm.com>
5633             Janis Johnson  <janis187@us.ibm.com>
5634
5635         * config/rs6000/dfp.md: New file.
5636         * config/rs6000/rs6000.md: Include dfp.md.
5637         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
5638         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
5639         and TDmode decimal float modes in FP registers.
5640         (num_insns_constant): Likewise.
5641         (rs6000_legitimate_offset_address_p): Likewise.
5642         (rs6000_legitimize_address): Likewise.
5643         (rs6000_legitimize_reload_address): Likewise.
5644         (rs6000_legitimate_address): Likewise.
5645         (rs6000_emit_move): Likewise.
5646         (function_arg_boundary): Likewise.
5647         (function_arg_advance): Likewise.
5648         (rs6000_darwin64_record_arg_recurse): Likewise.
5649         (function_arg): Likewise.
5650         (rs6000_gimplify_va_arg): Likewise.
5651         (rs6000_split_multireg_move): Likewise.
5652         (rs6000_output_function_epilogue): Likewise.
5653         (rs6000_output_function_epilogue): Likewise.
5654         (rs6000_register_move_cost): Likewise.
5655         (rs6000_function_value): Likewise.
5656         (rs6000_libcall_value): Likewise.
5657
5658 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5659
5660         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
5661
5662 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5663
5664         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
5665         Use $MULTIDIR to choose between the kernel and RTP headers,
5666         and use $WIND_BASE and $WIND_USR to locate them.
5667
5668 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5669
5670         * config/i386/i386.c (override_options): Put initialization of
5671         ix86_tune_mask and ix86_arch_mask to the correct place.
5672
5673 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5674             Michael Meissner  <michael.meissner@amd.com>
5675
5676         PR target/31019
5677         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
5678         (ARCHMASK): Define.
5679         (TARGET_CMOVE): Use ARCHMASK.
5680         (TARGET_CMPXCHG): Ditto.
5681         (TARGET_CMPXCHG8B): Ditto.
5682         (TARGET_XADD): Ditto.
5683         (TARGET_BSWAP): Ditto.
5684         * config/i386/i386.c (ix86_tune_mask): New global variable.
5685         (ix86_arch_mask): Ditto.
5686         (override_options): Initialize ix86_tune_mask and
5687         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
5688         target_flags.
5689
5690 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5691
5692         PR 30992
5693         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
5694
5695 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
5696
5697         * target.h (init_dwarf_reg_sizes_extra): New target hook.
5698         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
5699         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
5700         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
5701         hook.
5702         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
5703         rs6000_init_dwarf_reg_sizes_extra): New.
5704         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
5705         SPE register high parts.
5706
5707 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
5708
5709         * Makefile.in: Add install-pdf target as
5710         copied from automake v1.10 rules.
5711         * configure.ac: Add install-pdf to target list.
5712         * configure: Regenerate.
5713
5714 2007-03-01  Paul Brook  <paul@codesourcery.com>
5715
5716         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
5717         modes to LDRD for DImode.
5718         (output_move_double): Fixup out of range ldrd/strd.
5719         (vfp_secondary_reload_class): Rename...
5720         (coproc_secondary_reload_class): ... to this.  Add wb argument.
5721         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
5722         coproc_secondary_reload_class for CLASS_IWMMXT.
5723         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
5724         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
5725
5726 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
5727
5728         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
5729         factor by the estimated number of iterations.
5730         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
5731         prefetch latency.
5732
5733         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
5734         decode_caches_intel, detect_caches_intel): New functions.
5735         (host_detect_local_cpu): Use detect_caches_amd and
5736         detect_caches_intel.
5737
5738 2007-03-01  Richard Henderson  <rth@redhat.com>
5739
5740         * expr.c (emit_move_complex_push): Export.
5741         (emit_move_complex_parts): Split out from ...
5742         (emit_move_complex): ... here.
5743         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
5744         * config/i386/i386.md (movcdi): New.
5745
5746 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
5747
5748         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
5749         size of mode1 to check for tieable modes in MMX case.
5750
5751 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
5752
5753         * Makefile.in (rtlanal.o): Depend on tree.h.
5754         * rtl.h (offset_within_section_p, split_const): Declare.
5755         * rtlanal.c: Include tree.h.
5756         (offset_within_block_p): New function, taken from
5757         mips_offset_within_object_p.
5758         (split_const): New function, taken from mips_split_const.
5759         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
5760         Declare.
5761         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
5762         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
5763         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
5764         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5765         (m68k_illegitimate_symbolic_constant_p): New function.
5766         * config/m68k/m68k.md (movsi): Remove misleading predicates.
5767         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
5768         symbolic constant that might be outside the symbol's section,
5769         move the symbol first and then add the offset.
5770         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
5771         Override.
5772         * config/mips/mips.c (mips_split_const): Delete.
5773         (mips_offset_within_object_p): Delete.
5774         (mips_symbolic_constant_p): Use offset_within_section_p and
5775         split_const instead of mips_offset_within_object_p and
5776         mips_split_const.
5777         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
5778         (mips_legitimize_const_move, print_operand_reloc)
5779         (mips_dangerous_for_la25_p): Use split_const instead of
5780         mips_split_const.
5781
5782 2007-02-28  Eric Christopher  <echristo@apple.com>
5783
5784         * Makefile.in (install-include-dir): Don't rm -rf include.
5785
5786 2007-02-28  Richard Guenther  <rguenther@suse.de>
5787
5788         PR middle-end/30364
5789         * fold-const.c (fold_binary): Do not associate expressions
5790         with more than one variable for integer types that do not wrap.
5791
5792 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
5793
5794         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
5795         Delete, and replace with...
5796         (fold_builtin_call_array): This.  Update callers to use it.
5797         * fold-const.c (fold_build_call_list): Delete, and replace with...
5798         (fold_build_call_array): This.
5799         (fold_build_call_list_initializer): Delete, and replace with...
5800         (fold_build_call_array_initializer): This.
5801         * tree.h: Update declarations to reflect above changes.
5802
5803         * c-typeck.c (build_function_call): Store converted arguments
5804         in a stack-allocated array instead of building a list.
5805         (convert_arguments): Store arguments in the array passed in as an
5806         argument, and return the actual number of arguments.
5807         * c-format.c: (check_function_format): Pass arguments in an
5808         array instead of a list.
5809         * c-common.c (check_function_nonnull): Likewise.
5810         (check_function_sentinel): Likewise.
5811         (check_function_arguments): Likewise.
5812         * c-common.h: Update declarations to reflect above changes.
5813
5814 2007-02-28  Jan Hubicka  <jh@suse.cz>
5815
5816         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
5817         PRED_NEGATIVE_RETURN): Update outcomes.
5818
5819 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
5820
5821         * calls.c (emit_library_call_value_1): Handle partial registers
5822         correctly when building up CALL_INSN_FUNCTION_USAGE.
5823
5824 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5825
5826         * pa/predicates.md (move_src_operand): Allow zero for mode.
5827         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
5828         move pattern.
5829
5830 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
5831
5832         PR target/30970
5833         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
5834         *movv2df_internal): Enable pattern only for valid operand
5835         combinations.
5836         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
5837         tie only 128bit modes. For MMX registers, tie only 64bit modes.
5838
5839 2007-02-27  Mike Stump  <mrs@apple.com>
5840
5841         * config/darwin-crt3.c: Avoid compilation when compiling for a
5842         kext multilib.
5843
5844 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
5845
5846         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
5847         FIXED_INCLUDE_DIR.
5848         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
5849         for fixed headers and limits.h.
5850         (install-include-dir, install-headers-tar, install-headers-cpio,
5851         install-headers-cp, real-install-headers-tar,
5852         real-install-headers-cpio, real-install-headers-cp): Handle
5853         include-fixed as well as include.
5854         (install-mkheaders): Don't install files that go only in include
5855         not include-fixed.
5856         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
5857         from GCC_INCLUDE_DIR.
5858         * gcc.c (process_command): Remove special -BstageN/ handling.
5859         (do_spec_1): Add include-fixed directories.
5860
5861 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5862
5863         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
5864         _smulsi3_highpart.
5865         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
5866         New functions.
5867         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
5868         patterns.
5869
5870 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
5871
5872         * c-common.c (get_priority): Add check for
5873         SUPPORTS_INIT_PRIORITY.
5874
5875 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5876
5877         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5878
5879         * config/bfin/bfin.c: Include "cfglayout.h".
5880         (MAX_LSETUP_DISTANCE): New macro.
5881         (struct loop_info): New members incoming, incoming_src and
5882         incoming_dest.  Delete member predecessor.
5883         (length_for_loop): New function.
5884         (bfin_optimize_loop): Handle more different loop structures.
5885         (bfin_discover_loop): Rework detection of predecessor blocks by
5886         examining incoming edges.
5887         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
5888         bfin_reorg_loops.
5889         (bfin_reorder_loops): New function.
5890         (bfin_reorg_loops): Use these three new functions.
5891
5892         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
5893         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
5894         (CONSTRAINT_LEN): Add entry for 'q'.
5895         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
5896         Add 'q' constraints.
5897         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
5898         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
5899
5900         * config/bfin/bfin.md (add_with_carry): New pattern.
5901         (s_or_u, su_optab, su_modifier): New code macros/attrs.
5902         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
5903         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
5904         support unsigned multiplies too.  Removed incorrect commutativity from
5905         operand 1 constraint where appropriate.
5906         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
5907         patterns.
5908         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
5909         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
5910         New patterns.
5911         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
5912         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
5913         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
5914         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
5915         usmulhisi_hh_huh): New patterns.
5916
5917         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
5918         lshifthi3): Fix output template to use half reg for operand 2.
5919
5920         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
5921         instead of R2.
5922
5923         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
5924
5925 2007-02-27  Andreas Schwab  <schwab@suse.de>
5926
5927         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
5928
5929 2007-02-27  Jan Hubicka  <jh@suse.cz>
5930
5931         * predict.c (last_basic_block_p): Remove.
5932         (tree_estimate_probability): Update return heuristic for commonized
5933         return blocks.
5934
5935 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5936
5937         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
5938
5939 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5940
5941         * doc/include/gcc-common.texi (versionsubtitle): New macro.
5942         * doc/cpp.texi: Standardize title page.
5943         * doc/cppinternals.texi: Likewise.
5944         * doc/gcc.texi: Standardize title page, remove version number
5945         from copyright page.
5946         * doc/gccint.texi: Likewise.
5947         * doc/install.texi: Standardize title page, add table of
5948         contents.
5949
5950 2007-02-26  Jan Hubicka  <jh@suse.cz>
5951
5952         * predict.def: Set outcomes according to more recent results.
5953         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
5954         Remove dead predictors.
5955         * predict.c (return_prediction): Fix pasto.
5956
5957 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5958
5959         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
5960         change; avoid a memory leak when returning early.
5961
5962 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
5963
5964         * c-decl.c (static_ctors): Move to c-common.c.
5965         (static_dtors): Likewise.
5966         (finish_function): Use c_record_cdtor_fn.
5967         (build_cdtor): Move to c-common.c.
5968         (c_write_global_declarations): Use c_build_cdtor_fns.
5969         * c-common.h (static_ctors): Declare.
5970         (static_dtors): Likewise.
5971         (c_record_cdtor_fn): Likewise.
5972         (c_build_cdtor_fns): Likewise.
5973         * c-common.c (static_ctors): New variable.
5974         (static_dtors): Likewise.
5975         (c_record_cdtor_fn): New function.
5976         (build_cdtor): Move from c-decl.c
5977         (c_build_cdtor_fns): New function.
5978
5979         * output.h (assemble_addr_to_section): Declare.
5980         (get_cdtor_priority_section): Likewise.
5981         * varasm.c (assemble_addr_to_section): New function.
5982         (get_cdtor_priority_section): Likewise.
5983         (default_named_section_asm_out_destructor): Use them.
5984         (destor_dtor_section_asm_out_destructor): Likewise.
5985         (default_named_section_asm_out_constructor): Likewise.
5986         (default_ctor_section_asm_out_constructor): Likewise.
5987         * config.gcc (*-*-vxworks*): Include vxworks.o.
5988         * config/t-vxworks (vxworks.o): New target.
5989         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
5990         (TARGET_ASM_CONSTRUCTOR): Define.
5991         (TARGET_ASM_DESTRUCTOR): Likewise.
5992         (vxworks_asm_out_constructor): Declare.
5993         (vxworks_asm_out_destructor): Likewise.
5994
5995         * c-common.c (get_priority): Check that we have not just an
5996         INTEGER_CST, but an integer constant with integeral type.
5997
5998 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
5999
6000         PR tree-optimization/30938
6001         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
6002         use &dt[nargs-1] instead of &dt[nargs] in the call to
6003         vect_is_simple_use().
6004
6005 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
6006
6007         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
6008         from register elimination as PRE_MODIFY / POST_MODIFY increments.
6009         Do not attempt to handle MEM inside auto-inc expressions.
6010         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
6011         of a register modified by an auto-inc expression.  However, do handle
6012         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
6013         (elimination_effects): Prohibit elimination of a register modified
6014         by an auto-inc expression.  Disable register elimination rules whose
6015         target register is modified by an auto-inc expression with variable
6016         increment.
6017
6018 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
6019
6020         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
6021         off-by-one error.
6022         (array_at_struct_end_p): New function.
6023         (idx_infer_loop_bounds): Use it.
6024         (estimate_numbers_of_iterations_loop): Export.
6025         * predict.c (predict_loops): Use estimated_loop_iterations_int.
6026         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
6027         (tree_estimate_probability): Call record_loop_exits.
6028         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
6029         (estimated_loop_iterations, estimated_loop_iterations_int,
6030         estimated_loop_iterations_tree): New functions.
6031         (analyze_siv_subscript_cst_affine,
6032         compute_overlap_steps_for_affine_1_2,
6033         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
6034         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
6035         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
6036         (PRED_LOOP_ITERATIONS_GUESSED): New.
6037         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
6038         * cfgloop.h (estimate_numbers_of_iterations_loop,
6039         estimated_loop_iterations_int): Declare.
6040
6041 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
6042
6043         * doc/extend.texi: Document optional priority argument to
6044         constructors and destructors.
6045         * tree.c (init_priority_for_decl): Adjust GTY markers.
6046         (init_ttree): Use priority-info hash functions for
6047         init_priority_for_decl.
6048         (tree_map_eq): Rename to ...
6049         (tree_map_base_eq): ... this.
6050         (tree_map_marked_p): Rename to ...
6051         (tree_map_base_marked_p): ... this.
6052         (tree_map_base_hash): New function.
6053         (decl_init_priority_lookup): Rework.
6054         (decl_fini_priority_lookup): New function.
6055         (decl_priority_info): New function.
6056         (decl_init_priority_insert): Use it.
6057         (decl_fini_priority_insert): Likewise.
6058         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
6059         hierarchy.
6060         (decl_restrict_base_insert): Likewise.
6061         (decl_debug_expr_insert): Likewise.
6062         (decl_value_expr_lookup): Likewise.
6063         (decl_value_expr_insert): Likewise.
6064         * tree.h (priority_type): New type.
6065         (decl_init_priority_lookup): Use priority_type.
6066         (decl_fini_priority_lookup): New function.
6067         (decl_init_priority_insert): Use priority_type.
6068         (decl_fini_priority_insert): New function.
6069         (DECL_HAS_INIT_PRIORITY): Tweak comments.
6070         (DECL_INIT_PRIORITY): Likewise.
6071         (SET_DECL_INIT_PRIORITY): Add comment.
6072         (DECL_FINI_PRIORITY): New macro.
6073         (SET_DECL_FINI_PRIORITY): Likewise.
6074         (DEFAULT_INIT_PRIORITY): Document.
6075         (MAX_INIT_PRIORITY): Likewise.
6076         (MAX_RESERVED_INIT_PRIORITY): Likewise.
6077         (tree_map_base): New type.
6078         (tree_map_base_eq): New function.
6079         (tree_map_base_hash): Likewise.
6080         (tree_map_base_marked_p): Likewise.
6081         (tree_map): Inherit from tree_map_base.
6082         (tree_map_eq): Make it a macro.
6083         (tree_map_marked_p): Likewise.
6084         (tree_int_map): Inherit from tree_map_base.
6085         (tree_int_map_eq): Make it a macro.
6086         (tree_int_map_hash): Likewise.
6087         (tree_int_map_marked_p): Likewise.
6088         (tree_priority_map): New type.
6089         (tree_priority_map_eq): New macro.
6090         (tree_priority_map_hash): Likewise.
6091         (tree_priority_map_marked_p): Likewise.
6092         * varasm.c (emults_decl): Adjust for refactoring of tree_map
6093         hierarchy.
6094         (emutls_common_1): Likewise.
6095         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
6096         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
6097         of tree_map hierarchy.
6098         * tree-cfg.c (move_stmt_r): Likewise.
6099         (new_label_mapper): Likewise.
6100         * c-tree.h (c_expand_body): Move to ...
6101         * c-common.h (c_expand_body): ... here.
6102         * c-decl.c (c_expand_body): Move to ...
6103         * c-common.c (c_expand_body): ... here.
6104         (c_common_attribute_table): Allow 1 argument for the constructor
6105         and destructor attributes.
6106         (get_priority): New function.
6107         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
6108         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
6109
6110 2007-02-24  Jan Hubicka  <jh@suse.cz>
6111
6112         PR middle-end/30509
6113         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
6114
6115 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6116             Jan Hubicka  <jh@suse.cz>
6117
6118         PR target/30778
6119         * i386.c (counter_mode): New function.
6120         (expand_set_or_movmem_via_loop): Use it.
6121         (expand_movmem_epilogue): Likewise; fix pasto.
6122         (ix86_expand_movmem): Do emit guard even for constant counts.
6123         (ix86_expand_setmem): Likewise.
6124
6125 2007-02-25  Nick Clifton  <nickc@redhat.com>
6126
6127         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
6128         (JUMP_TABLES_IN_TEXT_SECTION): Define.
6129
6130 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6131
6132         PR target/30770
6133         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
6134         count argument with 0x10, not with 0x16.
6135         (expand_setmem_epilogue): Ditto.
6136
6137 2007-02-24  Mike Stump  <mrs@apple.com>
6138
6139         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
6140         symbols.
6141
6142 2007-02-24  Richard Guenther  <rguenther@suse.de>
6143
6144         PR middle-end/30951
6145         * fold-const.c (fold_binary): Fold x +- CST op x for
6146         EQ_EXPR and NE_EXPR.
6147
6148 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6149
6150         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
6151
6152 2007-02-24  Jan Hubicka  <jh@suse.cz>
6153
6154         * cgraphunit.c (decide_is_function_needed): Honor
6155         -fkeep-inline-functions.
6156
6157 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6158
6159         * builtins.c (fold_builtin_modf): New.
6160         (fold_builtin_2): Use it.
6161
6162 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
6163
6164         * loop-iv.c (implies_p): Detect additional cases where A implies B.
6165         (determine_max_iter): Take additional LOOP arg; all callers changed.
6166         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
6167         one using simplifications.
6168         (simplify_using_initial_values): Return if the expression becomes
6169         invalid due to altered regs.
6170
6171 2007-02-23  DJ Delorie  <dj@redhat.com>
6172
6173         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
6174
6175 2007-02-23  Mike Stump  <mrs@apple.com>
6176
6177         * tlink.c (scan_linker_output): Parse linker messages from
6178         darwin9's linker better.
6179
6180 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
6181
6182         PR debug/29614
6183         * varpool.c (varpool_assemble_pending_decls):  Set
6184         varpool_last_needed_node to null.
6185
6186 2007-02-23  DJ Delorie  <dj@redhat.com>
6187
6188         * config/i386/i386.c (ix86_data_alignment): Don't specify an
6189         alignment bigger than the object file can handle.
6190
6191 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
6192
6193         PR target/30825
6194         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
6195         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
6196         (*movsf_1): Penalize MMX moves.
6197
6198 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
6199
6200         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
6201         2^32-1 or more times unless flag_unsafe_loop_optimizations.
6202
6203         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
6204
6205 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6206
6207         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
6208         (fold_builtin_1): Use them.
6209         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
6210         BUILT_IN_SIGNIFICAND.
6211
6212 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6213
6214         * config/i386/i386.c (bdesc_1arg): Initialize
6215         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
6216         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
6217         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
6218         and IX86_BUILTIN_MOVSLDUP.
6219
6220 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
6221
6222         PR rtl-optimization/30841
6223         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
6224
6225 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6226
6227         * builtins.c (fold_builtin_frexp): New.
6228         (fold_builtin_2): Use it.
6229
6230 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
6231
6232         * doc/invoke.texi (Spec Files): Document getenv spec function.
6233
6234         * gcc.c (getenv_spec_function): New function.
6235         (static_spec_functions): Add it.
6236         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
6237         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
6238         header files.
6239
6240 2007-02-22  Michael Matz  <matz@suse.de
6241
6242         PR c++/29433
6243         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
6244         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
6245
6246 2007-02-22  Ian Lance Taylor  <iant@google.com>
6247
6248         PR debug/30898
6249         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
6250         (mem_loc_descriptor): Call it.
6251
6252 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
6253             Ira Rosen  <irar@il.ibm.com>
6254
6255         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
6256
6257 2007-02-22  Ira Rosen  <irar@il.ibm.com>
6258
6259         PR tree-optimization/30843
6260         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
6261         stores only after all the group is vectorized.
6262
6263 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
6264
6265         PR tree-optimization/30858
6266         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
6267         in the reduction cycle have a single use in the loop.
6268         * tree-vectorizer.h (relevant): Add documentation.
6269
6270 2007-02-20  Mike Stump  <mrs@apple.com>
6271
6272         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
6273         * configure: Regenerate.
6274
6275 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
6276
6277         Change the defaults of some parameters and options.
6278         * config/spu/spu-protos.h (spu_optimization_options): Declare.
6279         * config/spu/spu.c (spu_optimization_options): Add.
6280         (spu_override_options): Change params in spu_optimization_options.
6281         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
6282
6283         Register 127 is only 16 byte aligned when used as a frame pointer.
6284         * config/spu/spu-protos.h (spu_init_expanders): Declare.
6285         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
6286         HARD_FRAME_POINTER_REGNUM.
6287         (spu_legitimate_address):  Use regno_aligned_for_reload.
6288         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
6289         aligned when frame_pointer_needed is true.
6290         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
6291         to 8 bits.
6292         * config/spu/spu.h (INIT_EXPANDERS): Define.
6293
6294         Make sure shift and rotate instructions have valid immediate operands.
6295         * config/spu/predicates.md (spu_shift_operand): Remove.
6296         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
6297         * config/spu/constraints.md (W, O): Extend range.
6298         * config/spu/spu.md (umask, nmask): Define.
6299         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
6300         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
6301         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
6302         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
6303         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
6304         (lshr<mode>3_reg):  Fix rtl description.
6305
6306         Make sure mulhisi immediate operands are valid.
6307         * config/spu/predicates.md (imm_K_operand): Add.
6308         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
6309
6310         Generate constants using fsmbi and andi.
6311         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6312         (print_operand, spu_split_immediate, classify_immediate,
6313         fsmbi_const_p): Handle IC_FSMBI2.
6314
6315         Correctly handle a CONST_VECTOR containing symbols.
6316         * config/spu/spu.c (print_operand): Handle HIGH correctly.
6317         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6318         (immediate_load_p): Allow symbols that use 2 instructions to create.
6319         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
6320         with symbols when flag_pic is set.
6321         (const_vector_immediate_p): New.
6322         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6323         accept a CONST_VECTOR with symbols.
6324         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
6325         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
6326         correctly.
6327         * config/spu/spu.md (high, low): Delete.
6328         (low_<mode>): Define.
6329
6330         Remove INTRmode and INTR_REGNUM, which didn't work.
6331         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6332         of INTR_REGNUM.
6333         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6334         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6335         peephole2 pattern): Don't use INTR or 131.
6336         (movintrcc): Delete.
6337         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6338         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6339         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6340         (UNSPEC_SET_INTR): Add.
6341         * config/spu/spu-modes.def (INTR): Remove.
6342
6343         More accurate warnings about run-time relocations.
6344         * config/spu/spu.c (reloc_diagnostic): Test in_section.
6345
6346         Correctly warn about immediate arguments to specific intrinsics.
6347         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6348         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6349         the instruction predicate.
6350
6351         Fix tree check errors with latest update.
6352         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
6353         CALL_EXPR_ARG.
6354         (spu_expand_builtin): Use CALL_EXPR_FN.
6355
6356         Add missing specific intrinsics.
6357         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
6358         si_bislede.
6359         * config/spu/spu_internals.h: Ditto.
6360
6361         Fix incorrect operand modifiers.
6362         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
6363         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
6364
6365         Optimize one case of zero_extend of a vec_select.
6366         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
6367
6368         Accept any immediate for hbr.
6369         * config/spu/spu.md (hbr):  Change s constraints to i.
6370
6371 2007-02-21  Paul Brook  <paul@codesourcery.com>
6372
6373         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
6374         condexec_count when skipping USE and CLOBBER.
6375
6376 2007-02-21  Nick Clifton  <nickc@redhat.com>
6377
6378         * common.opt (Warray-bounds): Add Warning attribute.
6379         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
6380         Likewise.
6381         (fsized-zeroes): Add Optimization attribute.
6382         (fsplit-wide-types, ftree-scev-cprop): Likewise.
6383         * c.opt (Wc++0x-compat): Add Warning attribute.
6384
6385 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6386
6387         PR middle-end/30761
6388         * reload1.c (eliminate_regs_in_insn): In the single_set special
6389         case, attempt to re-recognize the insn before falling back to
6390         having reload fix it up.
6391
6392 2007-02-20  Eric Christopher  <echristo@gmail.com>
6393
6394         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6395         Rewrite accordingly.
6396         (frv_read_iacc_argument): Ditto.
6397         (frv_expand_set_builtin): Take a call instead of arglist, update for
6398         above changes.
6399         (frv_expand_unop_builtin): Ditto.
6400         (frv_expand_binop_builtin): Ditto.
6401         (frv_expand_cut_builtin): Ditto.
6402         (frv_expand_binopimm_builtin): Ditto.
6403         (frv_expand_voidbinop_builtin): Ditto.
6404         (frv_expand_int_void2arg): Ditto.
6405         (frv_expand_prefetches): Ditto.
6406         (frv_expand_voidtriop_builtin): Ditto.
6407         (frv_expand_voidaccop_builtin): Ditto.
6408         (frv_expand_load_builtin): Ditto.
6409         (frv_expand_store_builtin): Ditto.
6410         (frv_expand_mdpackh_builtin): Ditto.
6411         (frv_expand_mclracc_builtin): Ditto.
6412         (frv_expand_mrdacc_builtin): Ditto.
6413         (frv_expand_mwtacc_builtin): Ditto.
6414         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
6415         calls for above.
6416
6417 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
6418
6419         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
6420         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
6421         cmpb instruction.
6422         (HAVE_GAS_DFP): Check for assembler support of decimal floating
6423         point instructions.
6424         * configure: Regenerate.
6425         * config.in: Regenerate.
6426         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
6427         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
6428         masks to power6 and power6x and to POWERPC_MASKS.
6429         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6430         _ARCH_PWR6.
6431         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
6432         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
6433         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6434         Access PROTOTYPE as variable, not mask.
6435
6436 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6437
6438         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
6439         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
6440         * combine.c (adjust_for_new_dest): Use it.
6441         * postreload.c (reload_combine): Likewise.
6442
6443 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6444
6445         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
6446         notes on an insn with multiple sets, even if single_set returns
6447         non-NULL for that insn.
6448
6449 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6450
6451         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
6452         scalbn and scalbln.
6453
6454 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
6455
6456         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
6457         if user didn't pass it.
6458         * config/i386/darwin.h (CC1_SPEC): Likewise.
6459         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
6460         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
6461         -mmacosx-version-min.
6462
6463 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6464             Uros Bizjak  <ubizjak@gmail.com>
6465
6466         * optabs.h (enum optab_index): Add new OTI_scalb.
6467         (scalb_optab): Define corresponding macro.
6468         * optabs.c (init_optabs): Initialize scalb_optab.
6469         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
6470         patterns.
6471         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
6472         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
6473         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
6474         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
6475         flag_unsafe_math_optimizations is set.
6476
6477         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
6478         to implement scalbf, scalb and scalbl built-ins as inline x87
6479         intrinsics.
6480
6481 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6482             DJ Delorie <dj@redhat.com>
6483
6484         PR other/30824
6485         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
6486         (diagnostic_report_diagnostic): ... here, and turn them into real
6487         errors. If warnings are inhibited, no need to do anything.
6488
6489 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
6490
6491         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
6492         better code generation.
6493
6494 2007-02-20  Ben Elliston  <bje@au.ibm.com>
6495
6496         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
6497
6498 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
6499
6500         * config/alpha/alpha.c, config/alpha/alpha.md,
6501         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
6502         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
6503         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
6504         config/arm/lib1funcs.asm: Follow spelling conventions.
6505
6506         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
6507         config/fr30/fr30.md, config/i386/i386.h,
6508         config/iq2000/iq2000.h, config/iq2000/predicates.md,
6509         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
6510         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6511         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
6512         config/rs6000/altivec.md, config/rs6000/rs6000.c,
6513         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
6514         config/sparc/sparc.c, config/sparc/sparc.h,
6515         config/sparc/sparc.md, config/spu/constraints.md,
6516         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
6517         conventions.
6518
6519 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
6520
6521         PR target/29943
6522         * varasm.c (use_blocks_for_decl_p): Return false for decls with
6523         alias attribute.
6524
6525 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6526
6527         * doc/invoke.texi (-ftree-lrs): Remove.
6528
6529 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
6530
6531         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
6532         NULL.
6533
6534 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
6535
6536         * config/ia64/ia64.c (ia64_expand_builtin): Use the
6537         new CALL_EXPR_FN macro for retrieving the function
6538         declaration of the input expression.
6539
6540 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6541
6542         * c.opt (Waddress): New.
6543         * common.opt (Walways-true): Delete.
6544         (Wstring-literal-comparison): Delete.
6545         * doc/invoke.texi (Warning Options): Delete -Walways-true and
6546         -Wstring-literal-comparison. Add -Waddress.
6547         (Waddress): New.
6548         (Walways-true): Delete.
6549         (Wstring-literal-comparison): Delete.
6550         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
6551         consistently instead of -Walways-true in example.
6552         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
6553         * c-typeck.c (parser_build_binary_op): Replace
6554         -Wstring-literal-comparison and -Walways-true with -Waddress.
6555         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6556         with -Waddress.
6557
6558 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6559
6560         * tree-cfg.c (dump_function_to_file): Be prepared for functions
6561         without DECL_STRUCT_FUNCTION initialized.
6562
6563 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6564
6565         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6566         due to calls to functions taking pointers as parameters.
6567
6568 2007-02-19  Richard Henderson  <rth@redhat.com>
6569
6570         PR debug/29558
6571         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6572         in memory.
6573
6574 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6575
6576         * config/s390/s390.c (s390_call_saved_register_used,
6577         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6578         accessed to the new scheme.
6579
6580 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6581
6582         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6583         (cris_print_index, cris_print_operand, cris_print_operand_address)
6584         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6585         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6586         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6587         GET_CODE () == xxx.
6588         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6589         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6590         GO_IF_LEGITIMATE_ADDRESS): Ditto.
6591         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6592         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6593         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6594         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6595         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6596         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6597         (uminsi3, call, call_value): Ditto.
6598         (define_split: indir_to_reg_split, unnamed): Ditto.
6599
6600 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
6601
6602         PR tree-optimization/30975
6603         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6604         wrong assert.
6605
6606 2007-02-18  Eric Christopher  <echristo@gmail.com>
6607
6608         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6609         Remove use of arglist.
6610         (mips_expand_builtin): Remove use of arglist, pass in expr.
6611         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6612         (mips_expand_builtin_movtf): Ditto.
6613         (mips_expand_builtin_compare): Ditto.
6614
6615 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6616
6617         * tree-sra.c (sra_build_assignment): Replace assertion
6618         checking with a comment explaining why it can't be done.
6619
6620 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6621
6622         PR middle-end/30833
6623         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6624         during CALL_EXPR representation conversion.
6625         * tree-ssa-propagate.c (set_rhs): Likewise.
6626
6627 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6628
6629         * tree-sra.c (sra_build_assignment): Disable assertion checking
6630         for now.
6631
6632 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6633
6634         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
6635         instead of calling build2 with a GIMPLE_MODIFY_STMT.
6636         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
6637         Likewise.
6638         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
6639         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
6640         gimplify_init_ctor_eval_range, gimple_push_cleanup,
6641         gimplify_omp_for, gimplify_omp_atomic_pipeline,
6642         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
6643         force_gimple_operand): Likewise.
6644         * ipa-cp.c (constant_val_insert): Likewise.
6645         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6646         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
6647         perfect_nestify): Likewise.
6648         * langhooks.c (lhd_omp_assignment): Likewise.
6649         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
6650         lower_copyprivate_clauses, lower_send_clauses,
6651         lower_send_shared_vars, expand_parallel_call,
6652         expand_omp_for_generic, expand_omp_for_static_nochunk,
6653         expand_omp_for_static_chunk, expand_omp_sections,
6654         lower_omp_single_copy, lower_omp_for_lastprivate,
6655         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
6656         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6657         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
6658         Likewise.
6659
6660 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6661
6662         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
6663         config/sh/sh.md: Follow spelling conventions.
6664
6665         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
6666         config/frv/predicates.md: Follow spelling conventions.
6667
6668         * config/m68k/linux-unwind.h: Fix a comment typo.
6669         * target.h: Follow spelling conventions.
6670
6671 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6672
6673         PR rtl-optimization/28173
6674         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
6675         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
6676         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
6677         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
6678         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
6679
6680 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6681
6682         * builtins.c (fold_builtin_load_exponent): New.
6683         (fold_builtin_2): Use it.
6684
6685 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
6686
6687         PR rtl-optimization/30773
6688         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
6689         if we fail to attach a REG_EQUIV note.
6690
6691 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
6692             Roger Sayle  <roger@eyesopen.com>
6693
6694         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
6695
6696 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6697
6698         * calls.c (initialize_argument_information): Pass original EXP
6699         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
6700         code to split complex arguments here, as part of initializing the
6701         ARGS array.
6702         (expand_call): Remove code that builds a list of arguments and
6703         inserts implicit arguments into it.  Instead, just count how many
6704         implicit arguments there will be so we can determine the size of
6705         the ARGS array, and let initialize_argument_information do the work.
6706         (split_complex_values): Delete unused function.
6707
6708 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6709
6710         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
6711
6712 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6713
6714         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
6715         for arg pointer based indexed addressing.
6716
6717 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6718
6719         * config/ia64/ia64.h, config/ia64/ia64.md,
6720         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
6721         spelling conventions.
6722
6723 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6724
6725         * config/m68k/m68k.c (split_di): New.
6726         * config/m68k/m68k-protos.h: Declare split_di.
6727         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
6728           Improve predicate handling and split constant shifts.
6729
6730 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6731
6732         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
6733         parameter for register bitfield operations, general predicates
6734         cleanup
6735
6736 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6737
6738         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
6739         * config/m68k/linux-unwind.h: New file.
6740
6741 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6742
6743         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
6744         config/i386/athlon.md, config/ia64/ia64.md,
6745         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
6746         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
6747         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
6748         tree-ssa-loop-niter.c, tree-vect-analyze.c,
6749         tree-vect-transform.c: Fix comment typos.
6750
6751 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
6752
6753         * sched-deps.c (find_insn_list): Remove.
6754         * sched-int.h: Remove the prototype for find_insn_list.
6755
6756 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
6757
6758         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
6759         to linker.
6760         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
6761         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
6762         darwin_rs6000_override_options.
6763         (C_COMMON_OVERRIDE_OPTIONS): Expect
6764         darwin_macosx_version_min to be non-NULL always.
6765         (TARGET_C99_FUNCTIONS): Likewise.
6766         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
6767         (DARWIN_MINVERSION_SPEC): New.
6768         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
6769         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
6770         to cc1*.
6771         (DARWIN_MINVERSION_SPEC): New.
6772         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
6773         value.
6774         * config/darwin-c.c (darwin_cpp_builtins): Expect
6775         darwin_macosx_version_min to be non-NULL always.
6776
6777         * config/rs6000/rs6000.c: Clean up trailing whitespace.
6778
6779 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
6780
6781         * config/i386/i386.h (x86_use_xchgb): New.
6782         (TARGET_USE_XCHGB): New macro.
6783         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
6784         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
6785         Split after reload into bswaphi for shifts of 8.
6786         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
6787         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
6788         or when optimizing for size.
6789
6790 2007-02-16  Richard Guenther  <rguenther@suse.de>
6791             Christian Bruel  <christian.bruel@st.com>
6792
6793         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
6794         DECLs but prefer SSA_NAMEs over DECLs.
6795
6796 2007-02-16  Richard Guenther  <rguenther@suse.de>
6797
6798         * tree-flow-inline.h (single_imm_use_p): Remove.
6799         (zero_imm_uses_p): Likewise.
6800         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
6801         instead of single_imm_use_p.
6802         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
6803         zero_imm_uses_p.
6804
6805 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6806
6807         PR other/27843
6808         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
6809         nested double- and backquotes.
6810
6811 2007-02-15  Roger Sayle  <roger@eyesopen.com>
6812
6813         PR middle-end/30391
6814         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
6815         should be unreachable.
6816         (build2_stat): Allow construction of MODIFY_EXPR at any time.
6817         For the time being redirect GIMPLE_MODIFY_STMT to the new
6818         (renamed) build_gimple_modify_stmt_stat.
6819         (build2_gimple_stat): Rename to...
6820         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
6821         Always build a GIMPLE_MODIFY_STMT node.
6822         * tree.h (build2_gimple, build2_gimple_stat): Delete.
6823         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
6824         declarations.
6825
6826         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
6827         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
6828         * tree-complex.c (set_component_ssa_name, expand_complex_move,
6829         expand_complex_div_wide): Likewise.
6830         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
6831         * tree-ssa-loop-im.c (schedule_sm): Likewise.
6832         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
6833         * tree-ssa-loop-manip.c (create_iv): Likewise.
6834         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
6835         abs_replacement): Likewise.
6836         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
6837         realify_fake_stores): Likewise.
6838
6839         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
6840         node rather than a GIMPLE_MODIFY_STMT node.
6841         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
6842         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
6843         Likewise.
6844         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
6845         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
6846         GIMPLE_MODIFY_STMT.
6847
6848 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6849
6850         PR middle-end/30433
6851         * fold-const.c (fold_comparison): Add back the
6852         folding of constant complex comparisions.
6853
6854 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6855
6856         PR middle-end/30729
6857         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
6858         effects unknown to this function, return early.
6859
6860 2007-02-15  Ian Lance Taylor  <iant@google.com>
6861
6862         * lower-subreg.c (move_eh_region_note): New static function.
6863         (resolve_simple_move): Call it.
6864         (decompose_multiword_subregs): Track blocks for which we resolve a
6865         simple move which is also a control flow insn.  Pass them to
6866         find_many_sub_basic_blocks.
6867         (pass_lower_subreg): Add TODO_verify_flow.
6868         (pass_lower_subreg2): Likewise.
6869
6870 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6871             Brooks Moses  <brooks.moses@codesourcery.com>
6872             Lee Millward  <lee.millward@codesourcery.com>
6873
6874         * tree.h (enum tree_code_class): Add tcc_vl_exp.
6875         (VL_EXP_CLASS_P): New.
6876         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
6877         TREE_CODE_LENGTH.
6878         (TREE_OPERAND_CHECK_CODE): Likewise.
6879         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
6880         (TREE_RTL_OPERAND_CHECK): Likewise.
6881         (tree_operand_check_failed): Make second parameter the whole tree
6882         instead of its code.  Fixed callers.
6883         (VL_EXP_CHECK): New.
6884         (TREE_OPERAND_LENGTH): New.
6885         (VL_EXP_OPERAND_LENGTH): New.
6886         (CALL_EXPR_FN): New.
6887         (CALL_EXPR_STATIC_CHAIN): New.
6888         (CALL_EXPR_ARGS): New.
6889         (CALL_EXPR_ARG): New.
6890         (call_expr_nargs): New.
6891         (CALL_EXPR_ARGP): New.
6892         (build_nt_call_list): Declare.
6893         (build_vl_exp_stat): Declare.
6894         (build_vl_exp): New.
6895         (build_call_list): Declare.
6896         (build_call_nary): Declare.
6897         (build_call_valist): Declare.
6898         (build_call_array): Declare.
6899         (call_expr_arg): Declare.
6900         (call_expr_argp): Declare.
6901         (call_expr_arglist): Declare.
6902         (fold_build_call_list): Declare.
6903         (fold_build_call_list_initializer): Declare.
6904         (fold_call_expr): Declare to replace fold_builtin.
6905         (fold_builtin_fputs): Update to agree with modified definition.
6906         (fold_builtin_strcpy): Likewise.
6907         (fold_builtin_strncpy): Likewise.
6908         (fold_builtin_memory_chk): Likewise.
6909         (fold_builtin_stxcpy_chk): Likewise.
6910         (fold_builtin_strncpy_chk): Likewise.
6911         (fold_builtin_next_arg): Likewise.
6912         (fold_build_call_expr): Declare.
6913         (fold_builtin_call_list): Declare.
6914         (fold_builtin_call_valist): Declare.
6915         (build_call_expr): Declare.
6916         (validate_arglist): Update to agree with modified definition.
6917         (tree_operand_length): New.
6918         (call_expr_arg_iterator): New.
6919         (init_call_expr_arg_iterator): New.
6920         (next_call_expr_arg): New.
6921         (first_call_expr_arg): New.
6922         (more_call_expr_args_p): New.
6923         (FOR_EACH_CALL_EXPR_ARG): New.
6924
6925         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
6926         and tcc_gimple_stmt.
6927         (tree_code_size): Update documentation.  Use sizeof (tree) rather
6928         than sizeof (char *).
6929         (tree_size): Likewise.  Add case for tcc_vl_exp.
6930         (tree_node_structure): Add case for tcc_vl_exp.
6931         (contains_placeholder_p): Likewise.
6932         (substitute_in_expr): Likewise.
6933         (substitute_placeholder_in_expr): Likewise.
6934         (stabilize_reference_1): Likewise.
6935         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
6936         to diagnose breakage of this interface for constructing CALL_EXPRs.
6937         (build_nt): Add similar assertion here.
6938         (build_nt_call_list): New.
6939         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
6940         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
6941         TREE_CODE_LENGTH.
6942         (get_callee_fndecl): Use new CALL_EXPR accessors.
6943         (tree_operand_check_failed): Change parameters to pass entire node
6944         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
6945         (process_call_operands): New.
6946         (build_vl_exp_stat): New.
6947         (build_call_list): New.
6948         (build_call_nary): New.
6949         (build_call_valist): New.
6950         (build_call_array): New.
6951         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6952         (call_expr_arglist): New.
6953
6954         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
6955         tcc_vl_exp instead of a fixed-size tcc_expression.
6956
6957         * doc/c-tree.texi (CALL_EXPR): Document new representation and
6958         accessors for CALL_EXPRs.
6959         (AGGR_INIT_EXPR): Likewise.
6960
6961 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6962             Brooks Moses  <brooks.moses@codesourcery.com>
6963             Lee Millward  <lee.millward@codesourcery.com>
6964
6965         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
6966         (expand_builtin_nonlocal_goto): Change parameter to be entire
6967         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
6968         (expand_builtin_prefetch): Likewise.
6969         (expand_builtin_classify_type): Likewise.
6970         (mathfn_built_in): Return NULL_TREE instead of 0.
6971         (expand_errno_check): Use new CALL_EXPR accessors.
6972         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
6973         Return NULL_RTX instead of 0.
6974         (expand_builtin_mathfn_2): Likewise.
6975         (expand_builtin_mathfn_3): Likewise.
6976         (expand_builtin_interclass_mathfn): Likewise.
6977         (expand_builtin_sincos): Likewise.
6978         (expand_builtin_cexpi): Likewise.
6979         (expand_builtin_int_roundingfn): Likewise.
6980         (expand_builtin_int_roundingfn_2): Likewise.
6981         (expand_builtin_pow): Likewise.
6982         (expand_builtin_powi): Likewise.
6983         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
6984         of arglist, fixing callers appropriately.  Use new CALL_EXPR
6985         accessors and constructors.  Return NULL_RTX instead of 0.
6986         (expand_builtin_strstr): Likewise.
6987         (expand_builtin_strchr): Likewise.
6988         (expand_builtin_strrchr): Likewise.
6989         (expand_builtin_strpbrk): Likewise.
6990         (expand_builtin_memcpy): Likewise.
6991         (expand_builtin_mempcpy): Likewise.
6992         (expand_builtin_mempcpy_args): New.
6993         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
6994         (expand_builtin_memmove_args): New.
6995         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
6996         (expand_movstr): Likewise.
6997         (expand_builtin_strcpy): Likewise.
6998         (expand_builtin_strcpy_args): New.
6999         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
7000         (expand_builtin_strncpy): Likewise.
7001         (expand_builtin_memset): Likewise.
7002         (expand_builtin_memset_args): New.
7003         (expand_builtin_bzero): Similarly to expand_builtin_memset.
7004         (expand_builtin_memcmp): Likewise.
7005         (expand_builtin_strcmp): Likewise.
7006         (expand_builtin_strncmp): Likewise.
7007         (expand_builtin_strcat): Likewise.
7008         (expand_builtin_strncat): Likewise.
7009         (expand_builtin_strspn): Likewise.
7010         (expand_builtin_strcspn): Likewise.
7011         (expand_builtin_args_info): Likewise.
7012         (expand_builtin_va_start): Likewise.
7013         (gimplify_va_arg_expr): Likewise.
7014         (expand_builtin_va_end): Likewise.
7015         (expand_builtin_va_copy): Likewise.
7016         (expand_builtin_frame_address): Likewise.
7017         (expand_builtin_alloca): Likewise.
7018         (expand_builtin_bswap): Likewise.
7019         (expand_builtin_unop): Likewise.
7020         (expand_builtin_fputs): Likewise.
7021         (expand_builtin_expect): Likewise.
7022         (expand_builtin_fabs): Likewise.
7023         (expand_builtin_copysign): Likewise.
7024         (expand_builtin_printf): Likewise.
7025         (expand_builtin_fprintf): Likewise.
7026         (expand_builtin_sprintf): Likewise.
7027         (expand_builtin_init_trampoline): Likewise.
7028         (expand_builtin_signbit): Likewise.
7029         (expand_builtin_fork_or_exec): Likewise.
7030         (expand_builtin_sync_operation): Likewise.
7031         (expand_builtin_compare_and_swap): Likewise.
7032         (expand_builtin_lock_test_and_set): Likewise.
7033         (expand_builtin_lock_release): Likewise.
7034         (expand_builtin): Likewise.
7035         (builtin_mathfn_code): Likewise.
7036
7037         (fold_builtin_constant_p): Pass call arguments individually instead
7038         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7039         accessors and constructors.  Return NULL_TREE instead of 0.
7040         (fold_builtin_expect): Likewise.
7041         (fold_builtin_classify_type): Likewise.
7042         (fold_builtin_strlen): Likewise.
7043         (fold_builtin_nan): Likewise.
7044         (integer_valued_real_p): Likewise.
7045         (fold_trunc_transparent_mathfn): Likewise.
7046         (fold_fixed_mathfn): Likewise.
7047         (fold_builtin_cabs): Likewise.
7048         (fold_builtin_sqrt): Likewise.
7049         (fold_builtin_cbrt): Likewise.
7050         (fold_builtin_cos): Likewise.
7051         (fold_builtin_cosh): Likewise.
7052         (fold_builtin_tan): Likewise.
7053         (fold_builtin_sincos): Likewise.
7054         (fold_builtin_cexp): Likewise.
7055         (fold_builtin_trunc): Likewise.
7056         (fold_builtin_floor): Likewise.
7057         (fold_builtin_ceil): Likewise.
7058         (fold_builtin_round): Likewise.
7059         (fold_builtin_int_roundingfn): Likewise.
7060         (fold_builtin_bitop): Likewise.
7061         (fold_builtin_bswap): Likewise.
7062         (fold_builtin_logarithm): Likewise.
7063         (fold_builtin_hypot): Likewise.
7064         (fold_builtin_pow): Likewise.
7065         (fold_builtin_powi): Likewise.
7066         (fold_builtin_exponent): Likewise.
7067         (fold_builtin_memset): Likewise.
7068         (fold_builtin_bzero): Likewise.
7069         (fold_builtin_memory_op): Likewise.
7070         (fold_builtin_bcopy): Deleted; call site changed to invoke
7071         fold_builtin_memory_op directly.
7072         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
7073         (fold_builtin_strncpy): Likewise.
7074         (fold_builtin_memcmp): Likewise.
7075         (fold_builtin_strcmp): Likewise.
7076         (fold_builtin_strncmp): Likewise.
7077         (fold_builtin_signbit): Likewise.
7078         (fold_builtin_copysign): Likewise.
7079         (fold_builtin_isascii): Likewise.
7080         (fold_builtin_toascii): Likewise.
7081         (fold_builtin_isdigit): Likewise.
7082         (fold_builtin_fabs): Likewise.
7083         (fold_builtin_abs): Likewise.
7084         (fold_builtin_fmin_fmax): Likewise.
7085         (fold_builtin_carg): Likewise.
7086         (fold_builtin_classify): Likewise.
7087         (fold_builtin_unordered_cmp): Likewise.
7088
7089         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
7090         New functions split out from fold_builtin_1.
7091         (fold_builtin_n): New.
7092         (fold_builtin_varargs): New.
7093         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
7094         instead.
7095         (fold_call_expr): New.
7096         (build_function_call_expr): Rewrite to use new helper function.
7097         (fold_builtin_call_list): New.
7098         (build_call_expr): New.
7099         (fold_builtin_call_valist): New.
7100         (rewrite_call_expr): New.
7101         (validate_arg): New.
7102         (validate_arglist): Change parameter to be entire CALL_EXPR instead
7103         of an arglist.  Change return type to bool.  Use new CALL_EXPR
7104         accessors.
7105
7106         (fold_builtin_strstr):  Pass call arguments individually instead
7107         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7108         accessors and constructors.  Return NULL_TREE instead of 0.
7109         (fold_builtin_strchr): Likewise.
7110         (fold_builtin_strrchr): Likewise.
7111         (fold_builtin_strpbrk): Likewise.
7112         (fold_builtin_strcat): Likewise.
7113         (fold_builtin_strncat): Likewise.
7114         (fold_builtin_strspn): Likewise.
7115         (fold_builtin_strcspn): Likewise.
7116         (fold_builtin_fputs): Likewise.
7117         (fold_builtin_next_arg): Likewise.
7118         (fold_builtin_sprintf): Likewise.
7119
7120         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
7121         NULL_RTX instead of 0.
7122         (expand_builtin_memory_chk): Likewise.
7123         (maybe_emit_chk_warning): Likewise.
7124         (maybe_emit_sprintf_chk_warning): Likewise.
7125
7126         (fold_builtin_object_size): Pass call arguments individually instead
7127         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7128         accessors and constructors.  Return NULL_TREE instead of 0.
7129         (fold_builtin_memory_chk): Likewise.
7130         (fold_builtin_stxcpy_chk): Likewise.
7131         (fold_builtin_strncpy_chk): Likewise.
7132         (fold_builtin_strcat_chk): Likewise.
7133         (fold_builtin_strcat_chk): Likewise.
7134         (fold_builtin_strncat_chk): Likewise.
7135         (fold_builtin_sprintf_chk): Likewise.
7136         (fold_builtin_snprintf_chk): Likewise.
7137         (fold_builtin_printf): Likewise.
7138         (fold_builtin_vprintf): Likewise.
7139
7140         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
7141         constructors.
7142         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
7143         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7144         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
7145         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
7146         (fold_unary): Likewise.
7147         (fold_binary): Likewise.
7148         (fold_ternary): Remove CALL_EXPR case, since they are no longer
7149         ternary expressions.
7150         (fold): Add logic for tcc_vl_exp.
7151         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
7152         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7153         (fold_build3_stat): Add assertion to flag broken interface for
7154         constructing CALL_EXPRs.
7155         (fold_build_call_list): New.
7156         (fold_build_call_list_initializer): New.
7157         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
7158         constructors.
7159         (fold_strip_sign_ops): Likewise.
7160
7161 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7162             Brooks Moses  <brooks.moses@codesourcery.com>
7163             Lee Millward  <lee.millward@codesourcery.com>
7164
7165         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
7166         accessors and dump arguments explicitly.
7167
7168         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
7169         TREE_CODE_LENGTH.
7170         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
7171         explicitly.
7172         (print_call_name): Use new CALL_EXPR accessors.
7173
7174         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
7175         CALL_EXPR arguments explicitly instead of as a list.  Use
7176         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7177
7178         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
7179         (vrp_visit_stmt): Likewise.
7180
7181         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
7182         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
7183         TREE_CODE_LENGTH.
7184         (force_move_till_expr): Likewise.
7185
7186         * targhooks.c (default_external_stack_protect_fail): Use
7187         build_call_expr instead of build_function_call_expr.
7188         (default_hidden_stack_protect_fail): Likewise.
7189
7190         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
7191         build the call.
7192
7193         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
7194         and walk arguments explicitly.
7195
7196         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
7197         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7198         (expand_simple_operations): Likewise.
7199         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
7200
7201         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
7202         of TREE_CODE_LENGTH.
7203         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
7204
7205         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
7206         instead of TREE_CODE_LENGTH.
7207
7208         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
7209         (tree_ic_transform): Likewise.
7210         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
7211         parameter instead of arglist.  Fix callers.
7212         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
7213         (tree_stringops_transform): Likewise.
7214         (tree_indirect_call_to_profile): Likewise.
7215         (tree_stringops_values_to_profile): Likewise.
7216
7217         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
7218         (eliminate_tail_call): Likewise.
7219
7220         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
7221
7222         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7223         Use TREE_OPERAND_LENGTH and generalize to handle any number of
7224         operands.
7225         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
7226
7227         * omp-low.c (build_omp_barrier): Use build_call_expr.
7228         (lower_rec_input_clauses): Likewise.
7229         (lower_reduction_clauses): Likewise.
7230         (expand_parallel_call): Likewise.
7231         (maybe_catch_exception): Likewise.
7232         (expand_omp_for_generic): Likewise.
7233         (expand_omp_for_static_nochunk): Likewise.
7234         (expand_omp_sections): Likewise.
7235         (lower_omp_single_simple): Likewise.
7236         (lower_omp_single_copy): Likewise.
7237         (lower_omp_master): Likewise.
7238         (lower_omp_ordered): Likewise.
7239         (lower_omp_critical): Likewise.
7240
7241         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
7242         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
7243
7244         * tree-gimple.c (is_gimple_call_addr): Fix doc.
7245         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
7246         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
7247
7248         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
7249         and generalize to handle any number of operands.
7250         (chrec_contains_undetermined): Likewise.
7251         (tree_contains_chrecs): Likewise.
7252         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
7253
7254         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
7255
7256         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
7257         fold_call_expr instead of fold_builtin.
7258         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
7259         match declarations there.
7260         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
7261         updates.
7262
7263         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
7264         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7265
7266         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
7267         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
7268
7269         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
7270         accessors.
7271
7272         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
7273         (execute_cse_sincos): Use new CALL_EXPR accessors.
7274
7275         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
7276
7277         * gimple-low.c (lower_function_body): Use build_call_expr.
7278         (lower_builtin_setjmp): Likewise.
7279
7280         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
7281         (set_storage_via_libcall): Likewise.
7282         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
7283         instead of TREE_CODE_LENGTH.
7284         (expand_expr_real_1): Use new CALL_EXPR accessors.
7285
7286         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
7287         generalize to handle any number of operands.
7288         (TB_parent_eq): Likewise.
7289
7290         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
7291         (strip_builtin_expect): Likewise.
7292
7293         * function.c (gimplify_parameters): Use build_call_expr.
7294
7295         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
7296         instead of TREE_CODE_LENGTH.
7297
7298         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
7299         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
7300
7301         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
7302         iterators.
7303
7304         * gimplify.c (build_stack_save_restore): Use build_call_expr.
7305         (gimplify_decl_expr): Likewise.
7306         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
7307         Use new CALL_EXPR iterators.
7308         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
7309         (gimplify_modify_expr_to_memset): Likewise.
7310         (gimplify_variable_sized_compare): Likewise.
7311         (gimplify_omp_atomic_fetch_op): Likewise.
7312         (gimplify_omp_atomic_pipeline): Likewise.
7313         (gimplify_omp_atomic_mutex): Likewise.
7314         (gimplify_function_tree): Likewise.
7315
7316         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7317         (call_expr_flags): Likewise.
7318         (expand_call): Likewise.
7319
7320         * except.c (expand_builtin_eh_return_data_regno): Pass entire
7321         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7322         accessors.
7323
7324         * coverage.c (create_coverage): Use build_call_expr.
7325
7326         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7327         (temp_call_expr_obstack): New.
7328         (pool_copy_list): Delete.
7329         (temp_copy_call_expr): New.
7330         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
7331         CALL_EXPR accessors.  Get rid of special goo for copying argument
7332         lists and use temp_copy_call_expr instead.
7333         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
7334         CALL_EXPR accessors.
7335         (create_expression_by_pieces): Likewise.  Use build_call_array
7336         to construct the result instead of fold_build3.
7337         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
7338         dealing with argument lists.
7339         (init_pre): Remove references to expression_node_pool and
7340         list_node_pool.  Init temp_call_expr_obstack instead.
7341         (fini_pre): Remove references to expression_node_pool and
7342         list_node_pool.
7343
7344         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7345         and walk arguments explicitly instead of as a list.
7346
7347         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7348         (mx_register_decls): Likewise.
7349         (mudflap_register_call): Likewise.
7350         (mudflap_finish_file): Likewise.
7351
7352         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
7353         (ipa_callsite_compute_param): Likewise.
7354
7355         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
7356         accessors and constructor.
7357
7358         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
7359         accessors and constructor.
7360         (convert_tramp_reference): Likewise.
7361         (convert_call_expr): Likewise.
7362         (finalize_nesting_tree_1): Likewise.
7363
7364         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
7365         accessors.
7366
7367         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
7368
7369         * tree-inline.c (initialize_inlined_parameters): Pass entire
7370         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7371         accessors.
7372         (estimate_num_insns_1): Use new CALL_EXPR accessors.
7373         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
7374
7375         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
7376         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7377         (vectorizable_reduction): Likewise.
7378         (vectorizable_call): Use new CALL_EXPR iterators.
7379         (vectorizable_conversion): Use build_call_expr.
7380         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
7381         (vect_gen_widened_results_half): Use build_call_expr.
7382         (vect_setup_realignment): Likewise.
7383         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
7384
7385         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7386         (pass_through_call): Likewise.
7387         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
7388         fold_builtin.
7389
7390         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7391         (tree_gen_pow2_profiler): Likewise.
7392         (tree_gen_one_value_profiler): Likewise.
7393         (tree_gen_ic_func_profiler): Likewise.
7394         (tree_gen_average_profiler): Likewise.
7395         (tree_gen_ior_profiler): Likewise.
7396
7397         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
7398         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
7399         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7400
7401         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
7402         of TREE_CODE_LENGTH.
7403
7404         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
7405         of TREE_CODE_LENGTH.
7406
7407         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
7408         constructor.
7409         (convert_to_integer): Likewise.
7410
7411         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
7412         accessors.
7413
7414 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7415             Brooks Moses  <brooks.moses@codesourcery.com>
7416             Lee Millward  <lee.millward@codesourcery.com>
7417
7418         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
7419         accessors.
7420         * config/frv/frv.c (frv_expand_builtin): Likewise.
7421         * config/s390/s390.c (s390_expand_builtin): Likewise.
7422
7423         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
7424         (sparc_expand_builtin): Use new CALL_EXPR accessors.
7425
7426         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
7427         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
7428         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
7429         (ix86_expand_store_builtin): Likewise.
7430         (ix86_expand_unop_builtin): Likewise.
7431         (ix86_expand_unop1_builtin): Likewise.
7432         (ix86_expand_sse_compare): Likewise.
7433         (ix86_expand_sse_comi): Likewise.
7434         (ix86_expand_vec_init_builtin): Likewise.
7435         (ix86_expand_vec_ext_builtin): Likewise.
7436         (ix86_expand_vec_set_builtin): Likewise.
7437         (ix86_expand_builtin): Use new CALL_EXPR accessors.
7438
7439         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
7440         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7441
7442         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
7443         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7444         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
7445
7446         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
7447         build_call_expr.
7448         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7449         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
7450         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7451         (altivec_expand_abs_builtin): Likewise.
7452         (rs6000_expand_binop_builtin): Likewise.
7453         (altivec_expand_predicate_builtin): Likewise.
7454         (altivec_expand_lv_builtin): Likewise.
7455         (spe_expand_stv_builtin): Likewise.
7456         (altivec_expand_stv_builtin): Likewise.
7457         (rs6000_expand_ternop_builtin): Likewise.
7458         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
7459         (altivec_expand_st_builtin): Likewise.
7460         (altivec_expand_dst_builtin): Likewise.
7461         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
7462         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7463         (altivec_expand_vec_set_builtin): Likewise.
7464         (altivec_expand_vec_ext_builtin): Likewise.
7465         (altivec_expand_builtin): Use new CALL_EXPR accessors.
7466         (spe_expand_builtin): Likewise.
7467         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
7468         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7469         (spe_expand_evsel_builtin): Likewise.
7470         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
7471         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
7472
7473         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
7474         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7475         (arm_expand_unop_builtin): Likewise.
7476         (arm_expand_builtin): Use new CALL_EXPR accessors.
7477
7478         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
7479         accessors.
7480
7481         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
7482         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7483         (bfin_expand_unop_builtin): Likewise.
7484         (bfin_expand_builtin): Use new CALL_EXPR accessors.
7485
7486 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7487             Brooks Moses  <brooks.moses@codesourcery.com>
7488             Lee Millward  <lee.millward@codesourcery.com>
7489
7490         * c-semantics.c (build_stmt): Add internal diagnostic check.
7491
7492         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
7493         accessors.  Print arguments explicitly instead of as a list.
7494
7495         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
7496
7497         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
7498         (c_finish_omp_flish): Likewise.
7499
7500         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
7501         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
7502         instead of TREE_CODE_LENGTH.
7503         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
7504         (c_warn_unused_result): Likewise.
7505
7506 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7507
7508         PR c/26494
7509         * doc/invoke.texi (Warning Options): Remove
7510         -Werror-implicit-function-declaration.
7511         (Wimplicit-function-declaration): Update description.
7512         * opts.c (common_handle_option): Move handling of -Werror=* to...
7513         (enable_warning_as_error): ...here.
7514         * opts.h (enable_warning_as_error): Declare.
7515         * c-decl.c (implicit_decl_warning): Unless
7516         -Wno-implicit-function-declaration is given, emit a pedwarn if
7517         -std=c99 or emit a warning if -Wimplicit-function-declaration.
7518         * c.opt (Wimplicit-function-declaration): Replace
7519         mesg_implicit_function_declaration with
7520         warn_implicit_function_declaration.
7521         * c-opts.c (c_common_handle_option):
7522         -Werror-implicit-function-declaration is exactly equal as
7523         -Werror=implicit-function-declaration.
7524         (set_Wimplicit): Replace mesg_implicit_function_declaration with
7525         warn_implicit_function_declaration.
7526         (c_common_post_options): -Wimplict-function-declaration is enabled
7527         by default by -std=c99, otherwise is disabled by default.
7528         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
7529
7530 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7531
7532         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
7533         DECL on the rhs to a DECL on the lhs for debug info purposes if the
7534         former is ignored but not the latter.
7535
7536 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7537
7538         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
7539         is made and the reference doesn't use the alias set of its type,
7540         do not create the temporary using that type.
7541
7542 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
7543
7544         * jump.c: Remove prototypes for delete_computation and
7545         delete_prior_computation.
7546
7547 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7548
7549         * jump.c (get_label_after): Delete.
7550         (get_label_before, delete_computation, delete_jump,
7551         delete_prior_computation, follow_jumps): Move...
7552         * reorg.c (delete_computation, delete_prior_computation): ... here...
7553         (get_label_before, delete_jump): ... making these static ...
7554         (follow_jumps): ... and simplifying this since it only runs after
7555         reload.
7556         * rtl.h (get_label_after, get_label_before, delete_jump,
7557         follow_jumps): Delete prototypes.
7558
7559 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7560
7561         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7562
7563 2007-02-15  Nick Clifton  <nickc@redhat.com>
7564
7565         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7566         order to prevent it from being munged by the target.
7567
7568 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
7569
7570         * config/i386/i386.md: Remove misleading comment.
7571
7572 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7573
7574         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7575         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7576         invalid patterns.
7577
7578 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7579
7580         * tree-sra.c (instantiate_missing_elements): Canonicalize
7581         bit-field types.
7582         (sra_build_assignment): New.
7583         (generate_copy_inout, generate_element_copy,
7584         generate_element_zero, generate_one_element_init): Use it.
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         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7597         limbo die nodes.
7598
7599 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7600
7601         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7602         types as aggregates not scalars.
7603         * function.c (assign_stack_temp_for_type): Likewise.
7604
7605 2007-02-14  Roger Sayle  <roger@eyesopen.com>
7606             Zdenek Dvorak  <dvorakz@suse.cz>
7607
7608         * tree-dump.c (dump_switch_p_1): Require exact match of the option
7609         name.
7610
7611 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
7612
7613         * passes.c (next_pass_1): Clear the next field of the copied
7614         pass structure.
7615
7616 2007-02-14  Richard Henderson  <rth@redhat.com>
7617
7618         * tree-sra.c (early_sra): New.
7619         (decl_can_be_decomposed_p): Deny va_list if early_sra.
7620         (tree_sra_early, pass_sra_early): New.
7621         * tree-pass.h (pass_sra_early): Declare.
7622         * passes.c (init_optimization_passes): Use it.
7623
7624 2007-02-14  Richard Guenther  <rguenther@suse.de>
7625
7626         * flags.h (issue_strict_overflow_warning): Convert to a macro.
7627
7628 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
7629
7630          PR tree-optimization/30771
7631         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
7632         also phi nodes.
7633         (vect_analyze_operations): Induction phis can now be marked as
7634         used_in_loop.
7635         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
7636         Update documentation accordingly.
7637
7638 2007-02-14  Nick Clifton  <nickc@redhat.com>
7639
7640         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
7641         most 3 arguments are supported.
7642         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
7643
7644 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
7645
7646         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
7647         Ensure dst->current is valid.
7648
7649 2007-02-13  Paul Brook  <paul@codesourcery.com>
7650
7651         * config.gcc: Add arm*-*-uclinux-*eabi.
7652         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
7653         (SUBTARGET_EXTRA_LINK_SPEC): Define.
7654         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
7655         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
7656         (LINK_SPEC): Define.
7657         (LIB_SPEC): Define.
7658         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
7659         register.
7660         * config/arm/uclinux-eabi.h: New file.
7661         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
7662         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
7663         based targets.
7664
7665 2007-02-13  Ian Lance Taylor  <iant@google.com>
7666
7667         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
7668         * flags.h (warn_strict_overflow): Declare.
7669         (enum warn_strict_overflow_code): Define.
7670         (issue_strict_overflow_warning): New static inline function.
7671         * opts.c (warn_strict_overflow): New variable.
7672         (common_handle_option): Handle OPT_Wstrict_overflow and
7673         OPT_Wstrict_overflow_.
7674         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
7675         OPT_Wall.
7676         * fold-const.c: Include intl.h.
7677         (fold_deferring_overflow_warnings): New static variable.
7678         (fold_deferred_overflow_warning): New static variable.
7679         (fold_deferred_overflow_code): New static variable.
7680         (fold_defer_overflow_warnings): New function.
7681         (fold_undefer_overflow_warnings): New function.
7682         (fold_undefer_and_ignore_overflow_warnings): New function.
7683         (fold_deferring_overflow_warnings_p): New function.
7684         (fold_overflow_warning): New static function.
7685         (make_range): Add strict_overflow_p parameter.  Change all
7686         callers.
7687         (extract_muldiv, extract_muldiv_1): Likewise.
7688         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
7689         tree_expr_nonnegative_p.
7690         (fold_negate_expr): Call fold_overflow_warning.
7691         (fold_range_test): Likewise.
7692         (fold_comparison): Likewise.
7693         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
7694         instead of tree_expr_nonnegative_p.
7695         (tree_expr_nonnegative_warnv_p): Rename from
7696         tree_expr_nonnegative_p, add strict_overflow_p parameter.
7697         (tree_expr_nonnegative_p): New function.
7698         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
7699         strict_overflow_p parameter.
7700         (tree_expr_nonzero_p): New function.
7701         * passes.c (verify_interpass_invariants): New static function.
7702         (execute_one_pass): Call it.
7703         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
7704         warnings.
7705         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
7706         (estimate_numbers_of_iterations): Likewise.
7707         (scev_probably_wraps_p): Likewise.
7708         * tree-ssa-ccp.c: Include "toplev.h".
7709         (evaluate_stmt): Defer fold overflow warnings until we know we are
7710         going to optimize.
7711         (struct fold_stmt_r_data): Add stmt field.
7712         (fold_stmt_r): Defer fold overflow warnings until we know we
7713         optimized.
7714         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
7715         (fold_stmt_inplace): Likewise.
7716         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
7717         (cleanup_control_expr_graph): Defer fold overflow warnings until
7718         we know we are going to optimize.
7719         * tree-cfg.c (fold_cond_expr_cond): Likewise.
7720         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
7721         Likewise.
7722         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
7723         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
7724         * tree-ssa-loop-manip.c (create_iv): Likewise.
7725         * c-typeck.c (build_conditional_expr): Likewise.
7726         (build_binary_op): Likewise.
7727         * tree-vrp.c (vrp_expr_computes_nonzero): Call
7728         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
7729         (extract_range_from_unary_expr): Likewise.
7730         * simplify-rtx.c (simplify_const_relational_operation): Warn when
7731         assuming that signed overflow does not occur.
7732         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
7733         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
7734         (fold_defer_overflow_warnings): Declare.
7735         (fold_undefer_overflow_warnings): Declare.
7736         (fold_undefer_and_ignore_overflow_warnings): Declare.
7737         (fold_deferring_overflow_warnings_p): Declare.
7738         (tree_expr_nonzero_warnv_p): Declare.
7739         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
7740         of warning options.
7741         (Warning Options): Document -Wstrict-overflow.
7742         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
7743         (tree-ssa-ccp.o): Likewise.
7744         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
7745         (fold-const.o): Depend on intl.h.
7746
7747 2007-02-13  Ian Lance Taylor  <iant@google.com>
7748
7749         PR middle-end/30751
7750         * lower-subreg.c (resolve_simple_move): Decompose subregs in
7751         addresses.
7752
7753 2007-02-13  Stuart Hastings  <stuart@apple.com>
7754
7755         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
7756
7757 2007-02-13  Richard Henderson  <rth@redhat.com>
7758
7759         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
7760         handled_component_p before looking for the indirect_ref.
7761
7762 2007-02-13  Richard Henderson  <rth@redhat.com>
7763
7764         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
7765         remove flags clobber.
7766         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
7767         (bswaphi_lowpart): New.
7768         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
7769         remove TARGET_BSWAP test.  Delete expander of the same name.
7770
7771         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
7772         (expand_unop): Use them.
7773
7774 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
7775
7776         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
7777         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
7778         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
7779         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
7780         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
7781         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
7782         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
7783         assembler dialect choice from asm templates.
7784
7785 2007-02-12  Richard Henderson  <rth@redhat.com>
7786
7787         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
7788         (fixuns_trunc<SSEMODEF>si2): Use it.
7789         * config/i386/sse.md (vec_setv4sf_0): Export.
7790         * config/i386/i386.c (ix86_build_const_vector): Export.
7791         (ix86_split_convert_uns_si_sse): Rename from
7792         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
7793         * config/i386/i386-protos.h: Update.
7794
7795 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7796
7797         PR c/29521
7798         * c-typeck.c (c_finish_return): Improve warning message.
7799
7800 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7801
7802         * alias.c (find_symbolic_term): Delete unused function.
7803
7804 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
7805
7806         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
7807         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
7808         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
7809
7810 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7811
7812         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
7813         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
7814         the function, temporarily point the debug interface to the null one.
7815
7816 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7817
7818         * dwarf2out.c (round_up_to_align): New static function.
7819         (field_byte_offset): Use it to round the offset.
7820
7821 2007-02-12  Richard Henderson  <rth@redhat.com>
7822
7823         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
7824         (inswl_const): Export.
7825
7826 2007-02-12  Richard Henderson  <rth@redhat.com>
7827
7828         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
7829         result mode of the libcall, convert back to outmode.
7830
7831 2007-02-12  Roger Sayle  <roger@eyesopen.com>
7832
7833         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
7834         (bswapdi2): New define_expand to implement 32-bit implementation.
7835
7836 2007-02-12  Nick Clifton  <nickc@redhat.com>
7837
7838         * doc/invoke.texi (Overall Options): Document --help=.
7839         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
7840         (cc1_options): Pass --help= on to cc1.
7841         (display_help): Add description of --help=.
7842         (process_command): Add code to handle --help=.  Allow translated
7843         --help and --target-help switches to be passed on to compiler
7844         sub-process.
7845         (main): Remove unused if statement.
7846         * opts.c (columns): Remove.
7847         (LEFT_COLUMN): Define.
7848         (wrap_help): Add columns argument.
7849         (print_filtered_help): Change parameters to be an include bitmask,
7850         an exclude bitmask, an any bitmask and the column width.  Move the
7851         code to display the params list here.  Add code to display the
7852         status of options rather than their descriptions if the quiet flag
7853         is not active.
7854         (print_specific_help): Change parameters to be an include bitmask,
7855         an exclude bitmask and an any bitmask.  Move code to look up the
7856         column width here.  Decide upon the title for an options listing.
7857         (common_handle_options): Add code to handle --help=.  Adapt code
7858         for --help and --target-help to use the revised form of the
7859         print_specific_help function.
7860         (print_help): Delete.
7861         (print_param_help): Delete.
7862         (print_switch): Delete.
7863         * opts.h (cl_lang_count): Add prototype.
7864         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
7865         CL_MAX_OPTION_CLASS): New defines.
7866         * optc-gen.awk: Add construction of cl_lang_count.
7867         * c.opt: Add Warning attribute to warning options and Optimization
7868         attribute to optimization options.
7869         * common.opt: Likewise.
7870         Add --help=.
7871         Add -fhelp and -ftarget-help as aliases for the transformed --help
7872         and --target-help options.
7873         * opt-functions.awk: Add code to handle Warning and Optimization
7874         attributes.
7875
7876 2007-02-12  Richard Henderson  <rth@redhat.com>
7877
7878         * config/alpha/constraints.md: New file.
7879         * config/alpha/alpha.c: Include tm-constrs.h.
7880         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
7881         alpha_extra_constraint): Remove.
7882         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
7883         * config/alpha/alpha-protos.h: Update.
7884         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
7885         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
7886         (EXTRA_CONSTRAINT): Remove.
7887         * config/alpha/alpha.md: Include constraints.md.
7888         (adddi splitter): Use satisfies_constraint_*.
7889         * config/alpha/predicates.md (add_operand): Likewise.
7890         (sext_add_operand, addition_operation): Likewise.
7891
7892 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
7893
7894         PR tree-optimization/29145
7895         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
7896         in our handling of restrict qualified pointers.
7897
7898 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7899
7900         PR middle-end/7651
7901         * doc/invoke.texi (Wunused-value): Update description.
7902         (Wextra): Delete item.
7903         * opts.c (set_Wextra): Don't use the value of Wextra to set the
7904         value of Wunused-value.
7905         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
7906         (c_finish_stmt_expr): Don't check extra_warnings.
7907         (emit_side_effect_warnings): The caller is responsible to check
7908         warn_unused_value.
7909
7910 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7911             Matt Thomas  <matt@3am-software.com>
7912
7913         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
7914
7915 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7916
7917         * simplify-rtx.c (simplify_relational_operation_1): Optimize
7918         comparisons of POPCOUNT against zero.
7919         (simplify_const_relational_operation): Likewise.
7920
7921 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7922
7923         * doc/invoke.texi (Wextra): Delete outdated paragraph.
7924
7925 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7926
7927         * dwarf2out.c (root_type): Delete unused function.
7928
7929 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7930
7931         * genattrtab.c (contained_in_p): Delete unused function.
7932         (write_expr_attr_cache): Likewise.
7933
7934 2007-02-11  Jan Hubicka  <jh@suse.cz>
7935
7936         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
7937         previous patch.
7938
7939 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
7940
7941         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
7942         to add the REG_EQ* note.
7943         * see.c (see_merge_one_use_extension): Likewise.
7944         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
7945         turn REG_EQUAL notes into REG_EQUIV notes if the target
7946         register may have more than one set.
7947         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
7948         * gcse.c (try_replace_reg): Likewise.
7949         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
7950         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
7951         more than one REG_EQUIV note.
7952         * reload1.c (gen_reload): Use set_unique_reg_note.
7953
7954 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
7955
7956         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
7957         (ix86_builtin_conversion): New function.
7958
7959 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
7960
7961         PR target/29487
7962         * tree.h (DECL_REPLACEABLE_P): New macro.
7963         * except.c (set_nothrow_function_flags): Likewise.
7964
7965 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
7966             Ira Rosen  <irar@il.ibm.com>
7967             Dorit Nuzman  <dorit@il.ibm.com>
7968
7969         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
7970         * targhooks.c (default_builtin_vectorized_conversion): New.
7971         * targhooks.h (default_builtin_vectorized_function): New declaration.
7972         * target.h (struct vectorize): Add builtin_conversion field.
7973         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
7974         stmt_vec_info_type value.
7975         (vectorizable_conversion): New declaration.
7976         * tree-vect-analyze.c (vect_analyze_operations): Add
7977         vectorizable_conversion call.
7978         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
7979         * tree-vect-transform.c (vectorizable_conversion): New function.
7980         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
7981         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
7982         mode.
7983         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
7984         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
7985         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
7986         or ALTIVEC_BUILTIN_VCFSX.
7987
7988 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7989
7990         PR target/30634
7991         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
7992         CONST_DOUBLE and operand 0 is a hard register.
7993         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
7994         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
7995         is a hard floating-point register.
7996
7997 2007-02-10  Richard Henderson  <rth@redhat.com>
7998             Jakub Jelinek  <jakub@redhat.com>
7999             Alexandre Oliva  <aoliva@redhat.com>
8000
8001         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
8002         * builtin-types.def (BT_WORD): Make unsigned.
8003         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8004         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8005         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8006         * c-decl.c (grokdeclarator): Don't error if !have_tls.
8007         * c-parser.c (c_parser_omp_threadprivate): Likewise.
8008         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8009         emulated tls.
8010         * expr.c (emutls_var_address): New.
8011         (expand_expr_real_1): Expand emulated tls.
8012         (expand_expr_addr_expr_1): Likewise.
8013         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8014         * output.h (emutls_finish): Declare.
8015         * toplev.c (compile_file): Call it.
8016         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8017         address before wrapping in CONST.
8018         * varasm.c (emutls_htab, emutls_object_type): New.
8019         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8020         (get_emutls_object_name, get_emutls_object_type): New.
8021         (get_emutls_init_templ_addr, emutls_decl): New.
8022         (emutls_common_1, emutls_finish): New.
8023         (assemble_variable): When emulating tls, swap decls; generate
8024         constructor for the emutls objects.
8025         (do_assemble_alias): When emulating tls, swap decl and target name.
8026         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8027         for emulated tls.
8028         * varpool.c (decide_is_variable_needed): Look at force_output.
8029         Recurse for emulated tls.
8030         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
8031         with decide_is_variable_needed.
8032         * emutls.c: New file.
8033         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8034         tls_object for real tls.
8035
8036 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
8037
8038         PR rtl-optimization/29599
8039         * reload1.c (eliminate_regs_in_insn): Take the destination
8040         mode into account when computing the offset.
8041
8042 2007-02-09  Stuart Hastings  <stuart@apple.com>
8043             Richard Henderson  <rth@redhat.com>
8044
8045         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8046         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8047         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
8048         fixuns_truncdfhi2): New.
8049         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
8050         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
8051         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
8052         (floatunssidf2): Allow nonimmediate source.
8053         * config/i386/sse.md (movdi_to_sse): New.
8054         (vec_concatv2di): Drop '*'.
8055         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
8056         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8057         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
8058         New.
8059         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
8060         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8061         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
8062         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
8063         (ix86_build_signbit_mask): Fix decl of v, refactor to call
8064         ix86_build_const_vector.
8065         (x86_emit_floatuns): Rewrite.
8066
8067 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8068
8069         * genautomata.c (longest_path_length): Delete unused function.
8070         (struct state): Delete unused longest_path_length.
8071         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
8072         (get_free_state): Delete unused.
8073
8074 2007-02-09  Jan Hubicka  <jh@suse.cz>
8075
8076         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
8077         * doc/invoke.texi (inline-unit-growth): Update default value.
8078
8079         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
8080         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
8081         (rebuild_cgraph_edges): Likewise.
8082         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
8083         (dump_cgraph_node): Dump frequencies.
8084         (cgraph_clone_edge): Add frequency scales.
8085         (cgraph_clone_node): Add freuqnecy.
8086         * cgraph.h (cgraph_edge): Add freuqnecy argument.
8087         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
8088         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
8089         * tree-pass.h (TODO_rebuild_frequencies): New constant.
8090         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
8091         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
8092         (save_inline_function_body): Likewise.
8093         * ipa-inline.c: inluce rtl.h
8094         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
8095         (cgraph_edge_badness): Use frequencies.
8096         (cgraph_decide_recursive_inlining): Update clonning.
8097         (cgraph_decide_inlining_of_small_function): Dump frequency.
8098         * predict.c (estimate_bb_frequencies): Export.
8099         * predict.h (estimate_bb_frequencies): Declare.
8100         * tree-inline.c (copy_bb): Watch overflows.
8101         (expand_call_inline): Update call of cgraph_create_edge.
8102         (optimize_inline_calls): Use TODO flags to update frequnecies.
8103         * passes.h: Include predict.h
8104         (init_optimization_passes): Move profile ahead.
8105         (execute_function_todo): Handle TODO_rebuild_frequencies.
8106
8107 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8108
8109         * config/alpha/alpha.c (emit_insxl): Force the first operand of
8110         the insbl or inswl pattern into a register.
8111
8112 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8113
8114         * config/ia64/ia64.md (bswapdi2): New define_insn.
8115
8116 2007-02-09  Richard Henderson  <rth@redhat.com>
8117
8118         * config/i386/constraints.md (Ym): New constraint.
8119         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
8120         (movdi_1_rex64): Split sse and xmm general register moves from
8121         memory move alternatives.  Use conditional register constraints.
8122         (movsf_1, movdf_integer): Likewise.
8123         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8124         (movdf_integer_rex64): New.
8125         (pushsf_rex64): Fix output constraints.
8126         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
8127         (sse2_stored): Likewise.
8128         (sse2_storeq_rex64): New.
8129         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
8130         amd and not generic.
8131         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
8132         for optimize_size.  Remove SF/DFmode hack.
8133
8134 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
8135
8136         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
8137         (bit_SSE4a): New.
8138
8139 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
8140             Richard Sandiford  <richard@codesourcery.com>
8141
8142         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
8143         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
8144         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
8145         m68k/t-mlib to tmake_file.
8146         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
8147         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
8148         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
8149         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
8150         variable is not empty, add t-$m68k_arch_family to tmake_file.
8151         Add t-mlibs to tmake_file.
8152         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
8153         * config/m68k/t-cf: New file.
8154         * config/m68k/t-m68k: Likewise.
8155         * config/m68k/t-mlibs: Likewise.
8156         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8157         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8158         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8159         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8160         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
8161         Delete.
8162         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
8163         (INSTALL_LIBGCC): Delete.
8164         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8165         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8166         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8167         (M68K_MLIB_CPU): Define.
8168         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8169         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8170         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
8171
8172 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8173             Richard Guenther  <rguenther@suse.de>
8174
8175         PR middle-end/23361
8176         * fold-const.c (fold_comparison): Handle obfuscated comparisons
8177         against INT_MIN/INT_MAX.
8178         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
8179         file if a loop is removed.
8180
8181 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
8182
8183         * calls.c (store_one_arg): Pass correct alignment to
8184         emit_push_insn for non-BLKmode values.
8185         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
8186         unaligned stack slot via a suitably aligned slot.
8187
8188 2007-02-08  DJ Delorie  <dj@redhat.com>
8189
8190         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
8191         warnings.
8192         (legal_subregs): Use unsigned char, make const.
8193         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
8194
8195 2007-02-08  Paul Brook  <paul@codesourcery.com>
8196
8197         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
8198         special interworking needed.
8199
8200 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
8201
8202         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
8203         conditional to __SSE2__.
8204         (Entries below should have been added to first ChangeLog
8205         entry for amdfam10 dated 2007-02-05)
8206         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
8207         defined.
8208         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
8209         defined.
8210         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
8211         defined.
8212
8213 2007-02-08  DJ Delorie  <dj@redhat.com>
8214
8215         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
8216         * config/m32c/m32c.c (legal_subregs): New.
8217         (m32c_illegal_subreg_p): New.
8218         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
8219         unsupported subregs of hard regs.
8220
8221 2007-02-08  Jan Hubicka  <jh@suse.cz>
8222
8223         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
8224         the same one; always update histograms.
8225
8226 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8227
8228         * passes.c (init_optimization_passes): Tidy comment.
8229
8230 2007-02-08  Roger Sayle  <roger@eyesopen.com>
8231
8232         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
8233         strip zero_extend, bswap and rotates from POCOUNT's argument.
8234         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
8235         zero_extend and rotates from PARITY's argument.
8236         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
8237         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
8238         of an integer constant at compile-time.
8239
8240 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8241
8242         PR 30562
8243         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
8244         Update all users.
8245         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
8246         users.
8247         (init_alias_info):
8248         * tree-ssa-live.c (remove_unused_locals): Do not remove
8249         TREE_ADDRESSABLE variables.
8250         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
8251         * tree-ssa-operands.c (add_virtual_operand): Remove argument
8252         FOR_CLOBBER.  Update all users.
8253         If VAR has an associated alias set, add a virtual operand for
8254         it if no alias is found to conflict with the memory reference.
8255
8256 2007-02-07  Jan Hubicka  <jh@suse.cz>
8257             Robert Kidd <rkidd@crhc.uiuc.edu>
8258
8259         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
8260
8261 2007-02-07  Ian Lance Taylor  <iant@google.com>
8262
8263         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
8264
8265 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8266
8267         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
8268         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
8269         tablejumpdi, movsi_to_cr_one): Remove constraints from
8270         define_expand's match_operands.
8271
8272 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8273
8274         * global.c (compute_regsets): Move declatation of "i" inside of
8275         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
8276
8277 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
8278
8279         PR c++/30703
8280         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
8281         of INDIRECT_REF <RESULT_DECL>.
8282
8283         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
8284
8285 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
8286             Kaz Kojima  <kkojima@gcc.gnu.org>
8287
8288         PR target/29746
8289         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
8290         properly.
8291         (sh_initialize_trampoline): Add parentheses to avoid a warning.
8292
8293 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
8294
8295         * doc/loop.texi: Document possibility not to perform disambiguation
8296         of loops with multiple latches.
8297         * cfgloopmanip.c (alp_enum_p): Removed.
8298         (add_loop): Handle subloops.  Use get_loop_body_with_size.
8299         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
8300         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
8301         the new forwarder block.
8302         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
8303         Handle the case latch is NULL.
8304         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
8305         when marking loop exits.
8306         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
8307         be modified.
8308         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
8309         disambiguate_loops_with_multiple_latches.
8310         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8311         before fix_loop_structure.
8312         * cfgloop.c: Include pointer-set.h and output.h.
8313         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8314         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8315         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8316         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8317         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8318         disambiguate_multiple_latches, get_loop_body_with_size,
8319         disambiguate_loops_with_multiple_latches): New functions.
8320         (flow_loop_dump): Dump multiple latch edges.
8321         (flow_loop_nodes_find): Handle loops with multiple latches.
8322         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8323         (glb_enum_p): Modified.
8324         (get_loop_body): Use get_loop_body_with_size.
8325         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8326         (AVOID_CFG_MODIFICATIONS): New constant.
8327         (disambiguate_loops_with_multiple_latches, add_loop,
8328         get_loop_body_with_size): Declare.
8329         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8330
8331 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
8332
8333         PR inline-asm/28686
8334         * global.c (compute_regsets): New function.
8335         (global_alloc): Refactored ELIMINABLE_REGSET
8336         and NO_GLOBAL_ALLOC_REGS computation out.
8337         (rest_of_handle_global_alloc): Call compute_regsets()
8338         for non-optimizing case.
8339
8340 2007-02-06  Richard Henderson  <rth@redhat.com>
8341
8342         * config/i386/constraints.md (Y2): Rename from Y.
8343         (Yi): New constraint.
8344         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8345         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8346         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8347         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8348         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8349         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8350         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
8351         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
8352         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
8353         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
8354         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
8355         vec_extractv2si_1): Change Y constraints to Y2.
8356         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
8357         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
8358         Change Y constraints to Y2.
8359         (sse2_loadld): Change Y constraints to x.
8360
8361 2007-02-06  Roger Sayle  <roger@eyesopen.com>
8362
8363         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
8364         (parity<mode>2): New define_expand using rs6000_emit_parity.
8365         * config/rs6000/rs6000.c (rs6000_emit_popcount,
8366         rs6000_emit_parity): New functions.
8367         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
8368         rs6000_emit_parity): Prototype here.
8369
8370 2007-02-06  Ian Lance Taylor  <iant@google.com>
8371
8372         * lower-subreg.c (simple_move_operand): Reject CONST.
8373         (resolve_clobber): Call validate_change rather than directly
8374         assigning to XEXP (pat, 0).
8375
8376 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8377
8378         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
8379         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
8380         (tree-cfg.o): Remove hashtab.h dependency.
8381
8382         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
8383         (struct ivopts_data): Change niters to pointer_map_t.
8384         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
8385         (niter_for_exit): Create pointer_map on demand.  Change for
8386         pointer_map API.
8387         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8388         (free_loop_data): Destroy data->niters if created and reset field.
8389         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8390         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8391
8392         * tree-ssa-reassoc.c: Include pointer-set.h.
8393         (bb_rank): Change to long *.
8394         (operand_rank): Change to pointer_map_t.
8395         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
8396         (insert_operand_rank): Accept long.
8397         (operand_entry_hash, operand_entry_eq): Remove.
8398         (get_rank): Return long.  Adjust for changes above.
8399         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
8400         and operand_rank.
8401         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
8402
8403         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
8404         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
8405         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
8406         is not NULL.
8407         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
8408         directly since it cannot be NULL.
8409         (get_vi_for_tree): Rewrite for pointer_map API.
8410         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
8411         (init_alias_vars): Create vi_for_tree as pointer_map.
8412         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
8413
8414         * tree-cfg.c: Don't include hashtab.h.
8415         (edge_to_cases): Declare as pointer_map.
8416         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
8417         Delete.
8418         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
8419         (start_recording_case_labels): Create edge_to_cases as pointer_map.
8420         (end_recoding_case_labels): Cleanup edge_to_cases manually before
8421         destroying it.
8422         (record_switch_edge): Delete.
8423         (get_cases_for_edge): Adjust for pointer_map API, inline
8424         record_switch_edge (rewritten for new API), remove goto.
8425
8426 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8427
8428         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
8429         * tree-nested.c: Include pointer-set.h.
8430         (var_map_elt, var_map_eq, var_map_hash): Delete.
8431         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
8432         to pointer_map_t's.
8433         (nesting_info_bitmap_obstack): New.
8434         (lookup_field_for_decl): Adjust for pointer_map API.
8435         (lookup_tramp_for_decl): Adjust for pointer_map API.
8436         (get_nonlocal_debug_decl): Adjust for pointer_map API.
8437         (get_local_debug_decl): Adjust for pointer_map API.
8438         (convert_nl_goto_reference): Adjust for pointer_map API.
8439         (convert_nl_goto_receiver): Adjust for pointer_map API.
8440         (create_nesting_tree): Create outside GGC space.  Create bitmap on
8441         the new obstack.  Create field_map and var_map as pointer_maps.
8442         (free_nesting_tree): Adjust for changes to create_nesting_tree.
8443         (root): Delete.
8444         (lower_nested_functions): Move root here, no need to NULL it.
8445         Initialize and release the obstack.
8446
8447 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
8448
8449         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
8450         Remove prototypes and make them non-static.
8451         (struct tree_int_map): Remove.
8452         * tree.h (struct tree_int_map): Move here, turning TO into an
8453         unsigned int.
8454         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
8455
8456         * tree.h (TREE_COMPLEXITY): Remove.
8457         (struct tree_exp): Remove complexity field.
8458         * tree.c (build1_stat): Don't set it.
8459
8460 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
8461             Victor Kaplansky  <victork@il.ibm.com>
8462
8463         * tree-vectorizer.c (vect_is_simple_use): Support induction.
8464         (vect_is_simple_reduction): Support reduction with induction as
8465         one of the operands.
8466         (vect_is_simple_iv_evolution): Fix formatting.
8467         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
8468         formatting.  Don't mark induction phis for vectorization.
8469         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
8470         * tree-vect-transform.c (get_initial_def_for_induction): New function.
8471         (vect_get_vec_def_for_operand): Support induction.
8472         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
8473         induction case.
8474         (vectorizable_reduction): Support reduction with induction as one of
8475         the operands.
8476         (vectorizable_type_demotion): Use def-type of stmt argument rather
8477         than dummy def-type.
8478
8479         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
8480         flag_tree_scev_cprop.
8481         * common.opt (tree-scev-cprop): New flag.
8482
8483         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
8484         call to vect_get_new_vect_var.
8485
8486 2007-02-06  Ira Rosen  <irar@il.ibm.com>
8487
8488         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
8489         vectype is not NULL.
8490         (vect_pattern_recog_1): Likewise.
8491
8492 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8493
8494         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
8495         (fold_negate_expr): Likewise.
8496
8497 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
8498
8499         PR debug/30189
8500         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
8501         even if cv-qualification is the same.
8502
8503 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
8504
8505         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
8506         __enable_execute_stack on completion.
8507
8508 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8509
8510         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
8511         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
8512         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
8513         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
8514         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
8515         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
8516         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
8517         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
8518
8519 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8520
8521         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
8522         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
8523         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
8524         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
8525         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
8526         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
8527         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
8528         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
8529         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
8530         umuldi3_highpart_rex64, umulsi3_highpart_insn,
8531         umulsi3_highpart_zext, smuldi3_highpart_rex64,
8532         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
8533         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
8534         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
8535         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
8536         sqrtextenddfxf2_i387): Added amdfam10_decode.
8537
8538         * config/i386/athlon.md (athlon_idirect_amdfam10,
8539         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
8540         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
8541         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
8542         athlon_ivector_store_amdfam10): New define_insn_reservation.
8543         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
8544         amdfam10.
8545
8546 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8547
8548         * config/i386/athlon.md (athlon_call_amdfam10,
8549         athlon_pop_amdfam10, athlon_lea_amdfam10): New
8550         define_insn_reservation.
8551         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
8552         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
8553         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
8554
8555 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8556
8557         * config/i386/athlon.md (athlon_sseld_amdfam10,
8558         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8559         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8560
8561 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8562
8563         * config/i386/athlon.md (athlon_sseins_amdfam10): New
8564         define_insn_reservation.
8565         * config/i386/i386.md (sseins): Added sseins to define_attr type
8566         and define_attr unit.
8567         * config/i386/sse.md: Set type attribute to sseins for insertq
8568         and insertqi.
8569
8570 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8571
8572         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8573         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8574         ssecomi_load_amdfam10, ssecomi_amdfam10,
8575         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8576         define_insn_reservation.
8577         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8578
8579 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8580
8581         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8582         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8583         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8584         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8585         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8586         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8587         define_insn_reservation.
8588
8589         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8590         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8591         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8592         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8593         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8594
8595 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8596
8597         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8598         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8599         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8600         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8601         athlon_ssemul_load_k8): Added amdfam10.
8602
8603 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8604
8605         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8606         (x86_sse_unaligned_move_optimal): New variable.
8607
8608         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8609         m_AMDFAM10.
8610         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8611         for unaligned vector SSE double/single precision loads for AMDFAM10.
8612
8613 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8614
8615         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8616         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8617         Define TARGET_CPU_DEFAULT_amdfam10.
8618         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8619         (processor_type): Add PROCESSOR_AMDFAM10.
8620
8621         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8622         processor_type in config/i386/i386.h.
8623         Enable imul peepholes for TARGET_AMDFAM10.
8624
8625         * config.gcc: Add support for --with-cpu option for amdfam10.
8626
8627         * config/i386/i386.c (amdfam10_cost): New variable.
8628         (m_AMDFAM10): New macro.
8629         (m_ATHLON_K8_AMDFAM10): New macro.
8630         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8631         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
8632         x86_promote_QImode, x86_integer_DFmode_moves,
8633         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8634         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
8635         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
8636         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
8637         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
8638         Enable/disable for amdfam10.
8639         (override_options): Add amdfam10_cost to processor_target_table.
8640         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
8641         processor_alias_table.
8642         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
8643         (ix86_adjust_cost): Add code for amdfam10.
8644
8645 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8646
8647         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
8648         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
8649         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
8650         * config/i386/i386.h: Add builtin definition for SSE4A.
8651         * config/i386/i386.md: Add support for ABM instructions
8652         (popcnt and lzcnt).
8653         * config/i386/sse.md: Add support for SSE4A instructions
8654         (movntss, movntsd, extrq, insertq).
8655         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
8656         Add -march=amdfam10 flag.
8657         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
8658         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
8659         and amdfam10.
8660         * doc/extend.texi: Add documentation for SSE4A builtins.
8661
8662 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
8663
8664         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
8665
8666 2007-02-05  Richard Guenther  <rguenther@suse.de>
8667
8668         * tree-vectorizer.h (vectorizable_function): Add argument type
8669         argument, change return type.
8670         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
8671         * tree-vect-transform.c (vectorizable_function): Handle extra
8672         argument, return vectorized function decl.
8673         (build_vectorized_function_call): Remove.
8674         (vectorizable_call): Handle calls with result and argument types
8675         differing.  Handle loop vectorization factor correctly.
8676         * targhooks.c (default_builtin_vectorized_function): Adjust for
8677         extra argument.
8678         * targhooks.h (default_builtin_vectorized_function): Likewise.
8679         * target.h (builtin_vectorized_function): Add argument type
8680         argument.
8681         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
8682         extra argument, allow vectorizing of lrintf.
8683         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
8684         documentation of target hook.
8685
8686 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
8687
8688         PR target/30665
8689         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
8690         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
8691         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
8692
8693 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8694
8695         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
8696         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
8697         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
8698         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
8699         before canonicalizing sincos to cexpi.
8700         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
8701
8702 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8703
8704         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
8705         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
8706         (alpha_init_builtins): Use alpha_add_builtins to process tables.
8707
8708 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8709
8710         * mips-tfile.c (initialize_init_file): Correct endianness test.
8711
8712 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
8713
8714         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
8715         the 'y' constraint.
8716
8717 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8718
8719         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
8720         saves in a PARALLEL before the register assignments.
8721
8722 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8723
8724         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
8725         DWARF_FRAME_RETURN_COLUMN to be a general register.
8726         * dwarf2out.c (init_return_column_size): New function, split from...
8727         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
8728         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
8729         to be nongeneral registers.
8730         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
8731         integer registers.
8732         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
8733         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
8734
8735 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8736
8737         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
8738
8739 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8740
8741         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
8742         (remove_path): Use can_remove_branch_p and remove_branch instead
8743         of loop_delete_branch_edge.
8744         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
8745         (tree_transform_and_unroll_loop): Remove dead branches immediately.
8746         Update profile using scale_dominated_blocks_in_loop.
8747         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
8748         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
8749         (can_remove_branch_p, remove_branch): Declare.
8750         * tree-cfg.c (tree_can_remove_branch_p): New function.
8751         (tree_cfg_hooks): Add tree_can_remove_branch_p.
8752         * cfgrtl.c (rtl_can_remove_branch_p): New function.
8753         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
8754
8755 2007-02-05  Jan Hubicka  <jh@suse.cz>
8756
8757         PR middle-end/30696
8758         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
8759         nodes in cgraph, don't remove offline copy of the function.
8760
8761 2007-02-04  Jan Hubicka  <jh@suse.cz>
8762
8763         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
8764         vectors might cause maybe_lookup_element_for_expr to be called
8765         on non-sra-candidate.
8766
8767 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8768
8769         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
8770         config/bfin/bfin.md, config/bfin/predicates.md: Follow
8771         spelling conventions.
8772
8773 2007-02-04  Richard Guenther  <rguenther@suse.de>
8774
8775         PR middle-end/30636
8776         * fold-const.c (try_move_mult_to_index): Make sure to not
8777         overflow one dimension of a multi-dimensional array access.
8778
8779 2007-02-04  Jan Hubicka  <jh@suse.cz>
8780
8781         * passes.c (init_optimization_passes): Reindent.
8782
8783 2007-02-04  Jan Hubicka  <jh@suse.cz>
8784             Eric Botcazou  <ebotcazou@adacore.com>
8785
8786         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
8787         (execute_fixup_cfg): Break out the abnormal goto code.
8788         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
8789         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
8790         (optimize_inline_calls): Call make_nonlocal_label_edges.
8791
8792 2007-02-04  Jan Hubicka  <jh@suse.cz>
8793
8794         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
8795         true when something was changed.
8796         (rename_ssa_copies): When something was changed, do
8797         TODO_remove_unused_locals.
8798         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8799         add TODO_remove_unused_locals when instruction was removed.
8800
8801 2007-02-04  Jan Hubicka  <jh@suse.cz>
8802
8803         * ipa-inline.c (try_inline): Improve debug output; work on already
8804         inline edges too.
8805         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
8806         call try_inline for already inlined edges too when flattening;
8807         inline also functions that make callee growth but overall unit size
8808         reduce.
8809
8810 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8811
8812         * config/m32c/bitops.md, config/m32c/jump.md,
8813         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
8814         config/m32r/m32r.h, config/m32r/m32r.md,
8815         config/m32r/predicates.md, config/m68hc11/larith.asm,
8816         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
8817         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
8818         config/mips/mips-protos.h, config/mips/mips.c,
8819         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
8820         config/mn10300/mn10300.h, config/mn10300/predicates.md,
8821         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
8822         spelling conventions.
8823
8824         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
8825         Follow spelling conventions.
8826
8827 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
8828
8829         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
8830         warn about C++0x compatibility.
8831
8832 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8833
8834         * config/h8300/h8300.c, config/h8300/h8300.h,
8835         config/h8300/h8300.md: Follow spelling conventions.
8836
8837 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
8838
8839         PR middle-end/30667
8840         * combine.c (try_combine): Do not substitute source operand
8841         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
8842
8843 2007-02-03  Jan Hubicka  <jh@suse.cz>
8844
8845         PR gcov-profile/30650
8846         * value-prof.c (stringop_block_profile): Fix handling of size counter;
8847         do not divide by zero for never executed counters.
8848         (tree_find_values_to_profile): Fix counters.
8849         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
8850
8851 2007-02-03  Ian Lance Taylor  <iant@google.com>
8852
8853         * lower-subreg.c (simple_move_operand): New static function,
8854         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
8855         operands.
8856         (simple_move): Call simple_move_operand.
8857         (find_decomposable_subregs): Add special handling of MEMs.
8858         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
8859         meaning of return value.  If we see a hard register, test whether
8860         it can store a word_mode value.  Change all callers.
8861
8862 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8863
8864         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
8865         ftrapv insns and expanders.
8866         (subdi3): Change define_expand operand 1 to arith11_operand, and
8867         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
8868         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
8869         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
8870         respectively.
8871
8872         PR middle-end/30174
8873         * varasm.c (notice_global_symbol): Treat global objects as weak when
8874         flag_shlib is true.
8875
8876 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8877
8878         * emit-rtl.c (dconstpi): Delete.
8879         (dconstsqrt2): New.
8880         (init_emit_once): Delete dconstpi and init dconstsqrt2.
8881         * real.h (dconstpi): Delete.
8882         (dconstsqrt2): New.
8883         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
8884         (fold_builtin_hypot): Likewise.
8885
8886 2007-02-03  Tom Tromey  <tromey@redhat.com>
8887
8888         PR driver/30246
8889         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
8890         -gcoff3, -gxcoff3, -gvms3 implies -dD.
8891
8892 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
8893
8894         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
8895         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
8896         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
8897         config/rs6000/cell.md, config/rs6000/darwin.h,
8898         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
8899         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
8900         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
8901         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
8902         typos.  Follow spelling conventions.
8903         * doc/invoke.texi: Follow spelling conventions.
8904
8905 2007-02-03  Roger Sayle  <roger@eyesopen.com>
8906
8907         * simplify-rtx.c (simplify_relational_operation_1): Implement some
8908         canonicalization transformations that attempt to simplify integer
8909         constant comparisons to become comparisons against zero.
8910
8911 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8912
8913         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
8914         fabs(x)*sqrt(2).
8915         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
8916         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
8917
8918 2007-02-02  Mike Stump  <mrs@apple.com>
8919
8920         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
8921         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
8922         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
8923         generate a branch island.
8924
8925 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
8926
8927         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
8928         (xtensa_legitimate_address_p): New.
8929         (xtensa_legitimize_address): New.
8930         (xtensa_output_addr_const_extra): New.
8931         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
8932         (BASE_REG_P): New.
8933         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
8934         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
8935         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
8936         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
8937         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
8938         (xtensa_legitimize_address): New.
8939         (xtensa_output_addr_const_extra): New.
8940
8941 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
8942
8943         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
8944
8945 2007-02-02  Ian Lance Taylor  <iant@google.com>
8946
8947         * expmed.c (expand_divmod): Add comment.
8948
8949 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
8950
8951         * emit-rtl.c (renumber_insns): Remove.
8952         * flags.h: Remove the extern for flag_renumber_insns.
8953         * rtl.h: Remove the prototype for renumber_insns.
8954         * toplev.c (flag_renumber_insns): Remove.
8955
8956 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
8957
8958         Revert for x86 darwin:
8959         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
8960
8961         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
8962         code before the following patch under TARGET_MACHO.
8963         (ix86_function_value_regno_p): Likewise.
8964
8965 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8966
8967         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
8968         COMPLEX_EXPR.
8969
8970 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8971
8972         PR target/29682
8973         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
8974         general or fp registers.  Add comments.
8975         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
8976
8977 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
8978
8979         * pointer-set.c (insert_aux): Only return insertion slot.
8980         (pointer_set_insert): Adjust.
8981         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
8982         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
8983         pointer_map_traverse): New.
8984         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
8985         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
8986         pointer_map_contains, pointer_map_traverse): Declare.
8987
8988 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
8989
8990         PR middle-end/30473
8991         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
8992         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
8993
8994 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8995
8996         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
8997
8998         (struct _dep): New type.
8999         (dep_t): New typedef.
9000         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
9001         (DEP_STATUS): New access macro.  The macro with the same name was
9002         renamed to DEP_LINK_STATUS.
9003         (dep_init): Declare function
9004
9005         (struct _dep_link): New type.
9006         (dep_link_t): New typedef.
9007         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
9008         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
9009         (DEP_LINK_STATUS): New macro.
9010         (debug_dep_links): New debug function.
9011
9012         (struct _deps_list): New type.
9013         (deps_list_t): New typedef.
9014         (DEPS_LIST_FIRST): New access macro.
9015         (FOR_EACH_DEP_LINK): New cycle macro.
9016         (create_deps_list, free_deps_list, delete_deps_list): Declare
9017         functions.
9018         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
9019         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
9020         (copy_deps_list_change_con): Ditto.
9021
9022         (move_dep_link): Declare function.
9023
9024         (struct _dep_node): New type.
9025         (dep_node_t): New typedef.
9026         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
9027
9028         (struct haifa_insn_data.back_deps): New field to hold backward
9029         dependencies of the insn.
9030         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
9031         to deps_list_t.
9032         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
9033         Change its type to deps_list_t.
9034         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
9035         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
9036         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
9037
9038         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
9039
9040         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
9041
9042         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
9043         all callers.
9044         (dep_cost): Declare.
9045
9046         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
9047         (ds_to_dk, dk_to_ds): New functions.
9048
9049         (init_dep_1): New static function.
9050         (init_dep): New function.
9051         (copy_dep): New static function.
9052
9053         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
9054         functions.
9055         (detach_dep_link): New static function.
9056         (move_dep_link): New function.
9057
9058         (dep_links_consistent_p, dump_dep_links): New static functions.
9059         (debug_dep_links): New debugging function.
9060
9061         (deps_obstack, dl_obstack, dn_obstack): New static variables.
9062
9063         (alloc_deps_list, init_deps_list): New static functions.
9064         (create_deps_list): New function.
9065         (clear_deps_list): New static function.
9066         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
9067         (deps_list_consistent_p, dump_deps_list): New static functions.
9068         (debug_deps_list): New function.
9069         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
9070         functions.
9071         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
9072
9073         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
9074         use new scheduler dependencies lists.
9075         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
9076         (sched_analyze): Ditto.  Initialize dependencies lists.
9077         (add_forw_dep, compute_forward_dependences): Update to use new
9078         scheduler dependencies lists.
9079
9080         (init_dependency_caches): Init deps_obstack.
9081         (free_dependency_caches): Free deps_obstack.
9082
9083         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
9084         new scheduler dependencies lists.
9085         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
9086         (add_back_forw_dep, delete_back_forw_dep): Ditto.
9087
9088         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
9089         Update to use new scheduler dependencies lists.
9090         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
9091         (debug_dependencies): Ditto.
9092         (schedule_region): Update comments.
9093
9094         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
9095         scheduler dependencies lists.
9096         (schedule_ebb): Update comments.
9097
9098         * rtl.def (DEPS_LIST): Remove.
9099
9100         * lists.c (unused_deps_list): Remove.
9101         (free_list): Update assertions.
9102
9103         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
9104         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9105
9106         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
9107         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9108
9109         * haifa-sched.c (comments): Update.
9110         (insn_cost1): Remove.  Inline the code into insn_cost ().
9111         (insn_cost): Update to use new scheduler dependencies lists.  Move
9112         processing of the dependency cost to dep_cost ().
9113         (dep_cost): New function.  Use it instead of insn_cost () when
9114         evaluating cost of the dependency.  Use compatible interface to
9115         interact with the target.
9116         (priority): Update to use new scheduler dependencies lists.
9117         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
9118         with greater number of insns that depend on the insn.
9119         (schedule_insn): Update to use new scheduler dependencies lists.  Add
9120         code to free backward dependencies lists.  Inline and optimize code
9121         from resolve_dep () - see PR28071.
9122         (ok_for_early_queue_removal): Update to use new scheduler dependencies
9123         lists.  Update call to targetm.sched.is_costly_dependence hook.
9124
9125         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
9126         scheduler dependencies lists.
9127
9128         (resolve_dep): Remove.  Move the logic to schedule_insn ().
9129         (init_h_i_d): Initialize dependencies lists.
9130
9131         (process_insn_depend_be_in_spec): Rename to
9132         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
9133         dependencies lists.
9134         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
9135         Update to use new scheduler dependencies lists.
9136         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
9137
9138         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
9139         new scheduler dependencies lists.
9140         (build_intra_loop_deps): Ditto.
9141
9142         * target.h (struct _dep): Declare to use in
9143         gcc_target.sched.is_costly_dependence.
9144         (struct gcc_target.sched.adjust_cost): Fix typo.
9145         (struct gcc_target.sched.is_costly_dependence): Change signature to use
9146         single dep_t parameter instead of an equivalent triad.
9147         (struct gcc_target.sched.adjust_cost_2): Remove.
9148
9149         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
9150
9151         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
9152
9153         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
9154         documentation.
9155         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
9156
9157         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
9158         (REG_DEP_TRUE): Document.
9159
9160         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
9161         Change signature to correspond to the targetm.sched.adjust_cost hook.
9162         Update use in TARGET_SCHED_ADJUST_COST_2.
9163         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
9164         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
9165         new scheduler dependencies lists.
9166         (ia64_gen_check): Ditto.
9167
9168         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
9169         dependencies lists.
9170
9171         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
9172         signature to correspond to the targetm.sched.is_costly_dependence hook.
9173         (is_costly_group): Update to use new scheduler dependencies lists.
9174
9175         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
9176         instead of INSN_COST () macro.
9177
9178 2007-02-01  Ian Lance Taylor  <iant@google.com>
9179
9180         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
9181
9182 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
9183
9184         * pa.md (tp_load): Correct mfctl instruction syntax.
9185
9186 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
9187
9188         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
9189         altivec_padding_size calculation on AIX.  Improve comment, add
9190         assert to verify that it's right.
9191
9192         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
9193         64-bit.
9194
9195 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
9196
9197         PR inline-asm/28686
9198         * global.c (global_alloc): Add mising initialization of
9199         ELIMINABLE_REGSET.
9200
9201 2007-02-01  Roger Sayle  <roger@eyesopen.com>
9202
9203         * alias.c (init_alias_analysis): Correct whitespace.
9204         * bb-reorder.c (fix_edges_for_rarely_executed_code,
9205         partition_hot_cold_basic_blocks): Likewise.
9206         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
9207         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
9208         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
9209         fold_builtin_snprintf_chk, fold_builtin_printf,
9210         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
9211         do_mpfr_arg3, do_mpfr_sincos): Likewise.
9212         * cfgcleanup.c (cleanup_cfg): Likewise.
9213         * cfgexpand.c (tree_expand_cfg): Likewise.
9214         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
9215         * function.c (get_next_funcdef_no): Likewise.
9216         * gengtype.c (main): Likewise.
9217         * genmodes.c (main): Likewise.
9218         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
9219         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
9220         * ifcvt.c (noce_emit_move_insn): Likewise.
9221         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
9222         Likewise.
9223         * stor-layout.c (get_best_mode): Likewise.
9224         * tree-ssa-loop-niter.c (get_val_for): Likewise.
9225         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
9226         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
9227         perform_var_substitution, solve_graph): Likewise.
9228         * tree-vrp.c (vrp_finalize): Likewise.
9229
9230 2007-02-01  Ian Lance Taylor  <iant@google.com>
9231
9232         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
9233         high part of a paradoxical subreg, return a constant zero.
9234
9235 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
9236
9237         * toplev.c (lang_dependent_init): Call init_set_costs.
9238         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
9239
9240 2007-02-01  Richard Guenther  <rguenther@suse.de>
9241
9242         PR middle-end/30656
9243         * fold-const.c (fold_negate_expr): Allow negating a
9244         constant if overflow does not change.
9245
9246 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9247
9248         * doc/c-tree.texi (Expression trees): Improve markup.
9249         * doc/tm.texi (Register Classes, Addressing Modes)
9250         (Floating Point): Fix spacing after abbreviations.  Fix some
9251         typos.
9252
9253 2007-02-01  Ben Elliston  <bje@au.ibm.com>
9254
9255         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
9256         * doc/contrib.texi: Likewise.
9257         * doc/install.texi: Likewise.
9258
9259 2007-01-31  Richard Henderson  <rth@redhat.com>
9260             Ian Lance Taylor  <iant@google.com>
9261
9262         * lower-subreg.c: New file.
9263         * rtl.def (CONCATN): Define.
9264         * passes.c (init_optimization_passes): Add pass_lower_subreg and
9265         pass_lower_subreg2.
9266         * emit-rtl.c (update_reg_offset): New static function, broken out
9267         of gen_rtx_REG_offset.
9268         (gen_rtx_REG_offset): Call update_reg_offset.
9269         (gen_reg_rtx_offset): New function.
9270         * regclass.c: Revert patch of 2006-03-05, restoring
9271         reg_scan_update.
9272         (clear_reg_info_regno): New function.
9273         * dwarf2out.c (concatn_loc_descriptor): New static function.
9274         (loc_descriptor): Handle CONCATN.
9275         * common.opt (fsplit_wide_types): New option.
9276         * opts.c (decode_options): Set flag_split_wide_types when
9277         optimizing.
9278         * timevar.def (TV_LOWER_SUBREG): Define.
9279         * rtl.h (gen_reg_rtx_offset): Declare.
9280         (reg_scan_update): Declare.
9281         * regs.h (clear_reg_info_regno): Declare.
9282         * tree-pass.h (pass_lower_subreg): Declare.
9283         (pass_lower_subreg2): Declare.
9284         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
9285         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
9286         -fsplit-wide-types.
9287         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
9288         * Makefile.in (OBJS-common): Add lower-subreg.o.
9289         (lower-subreg.o): New target.
9290
9291 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9292
9293         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
9294
9295 2007-01-31  Anatoly Sokolov <aesok@post.ru>
9296
9297         PR target/19087
9298         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
9299
9300 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9301
9302         PR middle-end/29335
9303         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
9304
9305 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
9306
9307         * cfgloop.h: Include vec-prim.h.
9308         (enum li_flags): Remove LI_ONLY_OLD.
9309         (loop_iterator): Changed.
9310         (fel_next, fel_init): Iterate over loop tree.
9311         (FOR_EACH_LOOP_BREAK): New macro.
9312         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9313         FOR_EACH_LOOP.
9314         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9315         * modulo-sched.c (sms_schedule): Ditto.
9316         * tree-vectorizer.c (vectorize_loops): Ditto.
9317         * doc/loop.texi: Update information on loop numbering and behavior of
9318         FOR_EACH_LOOP wrto new loops.
9319         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9320         add_to_evolution_1): Test nestedness of loops instead of comparing
9321         their numbers.
9322         * tree-chrec.c (chrec_fold_plus_poly_poly,
9323         chrec_fold_multiply_poly_poly, chrec_evaluate,
9324         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9325         reset_evolution_in_loop): Ditto.
9326         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9327
9328 2007-01-31  Dirk Mueller  <dmueller@suse.de>
9329
9330         * c-common.c (warn_about_parentheses): Separate warning about
9331         un-parenthized sequence of comparison operators from the one
9332         which is supposed to warn about x <= y <= z.
9333
9334 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
9335
9336         * optabs.h (enum optab_index): Add new OTI_isinf.
9337         (isinf_optab): Define corresponding macro.
9338         * optabs.c (init_optabs): Initialize isinf_optab.
9339         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9340         patterns.
9341         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9342         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9343         using isinf_optab.
9344         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9345         expand_builtin_interclass_mathfn.
9346         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9347         * config/i386/i386.md (UNSPEC_FXAM): New constant.
9348         (fxam<mode>2_i387): New insn pattern.
9349         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9350         built-in functions as x87 inline asm.
9351
9352 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9353
9354         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
9355
9356 2007-01-30  Eric Christopher  <echristo@apple.com>
9357
9358         * config.gcc: Add geode.
9359
9360 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9361
9362         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
9363         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
9364         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
9365         value-prof.c: Fix comment typos.
9366
9367 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9368
9369         PR c++/24745
9370         * doc/invoke.texi (Wpointer-arith): Document warning.
9371
9372 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
9373
9374         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
9375         the list of discrepancies from the draft TR.
9376
9377 2007-01-30  Dirk Mueller  <dmueller@suse.de>
9378
9379         PR c++/30601
9380         * doc/invoke.texi (-Wreturn-type): Update description to
9381         match new behavior.
9382
9383 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
9384
9385         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9386
9387 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
9388
9389         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9390         to handle optabs that operate on floating point input argument and
9391         output to integer output.
9392         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9393         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9394         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9395         expand_builtin_interclass_mathfn ().
9396         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
9397         (ilogbsi2): Remove.
9398         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
9399         ilogbl built-in functions as x87 intrinsics.
9400
9401 2007-01-30  Richard Guenther  <rguenther@suse.de>
9402
9403         PR middle-end/27657
9404         * dwarf2out.c (reference_to_unused): Query varpool if the
9405         variable was output.
9406
9407 2007-01-30  Richard Guenther  <rguenther@suse.de>
9408
9409         PR middle-end/30313
9410         * passes.c (execute_one_pass): Reset in_gimple_form to not
9411         confuse non-unit-at-a-time mode.
9412
9413 2007-01-29  Roger Sayle  <roger@eyesopen.com>
9414             Richard Guenther  <rguenther@suse.de>
9415
9416         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
9417         avoid undefined behaviour on overflow.  Use force_fit_type_double
9418         to construct the constant with the specified TREE_OVERFLOW.
9419
9420 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9421
9422         * config/dfp-bit.c: Add parameterized support for fp exceptions.
9423         * config/dfp-bit.h: Ditto.
9424
9425 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9426
9427         * c-decl.c (pop_scope): Replace warnings with call to
9428         warn_for_unused_label.
9429         * c-common.h (warn_for_unused_label): Declare.
9430         * c-common.c (warn_for_unused_label): Define.
9431
9432 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9433
9434         * tree-optimize.c (update_inlined_to_pointers): Delete unused
9435         function.
9436
9437 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9438
9439         * Makefile.in (USER_H): Remove decfloat.h.
9440         * ginclude/decfloat.h: Delete, moving contents to ...
9441         * ginclude/float.h: Add support for decimal floating point,
9442         guarded by __STDC_WANT_DEC_FP__.
9443
9444 2007-01-29  Mike Stump  <mrs@apple.com>
9445
9446         * doc/gccint.texi (Top): Rename Loop Representation to Loop
9447         Analysis and Representation to resolve case insensitive conflict.
9448         * doc/loop.texi (Loop Analysis and Representation): Likewise.
9449
9450 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
9451
9452         * tree.h (struct tree_memory_tag): Add aliases member.
9453         (MTAG_ALIASES): New macro.
9454         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
9455         (add_may_alias): Remove pointer-set. Update for may_aliases being
9456         a bitmap.
9457         (mark_aliases_call_clobbered): Update for may_aliases being a
9458         bitmap.
9459         (compute_tag_properties): Ditto.
9460         (create_partition_for): Ditto.
9461         (compute_memory_partitions): Ditto.
9462         (dump_may_aliases_for): Ditto.
9463         (is_aliased_with): Ditto.
9464         (add_may_alias_for_new_tag): Ditto.
9465         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
9466         (compute_is_aliased): New function.
9467         (compute_may_aliases): Call compute_is_aliased).
9468         (init_alias_info): Initialize alias_bitmap_obstack.
9469         (union_alias_set_into): New function.
9470         (compute_flow_sensitive_aliasing): Use union_aliases_into.
9471         (have_common_aliases_p): Rewrite to take two bitmaps and use
9472         intersection.
9473         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
9474         Update for bitmaps.
9475         (finalize_ref_all_pointers): Update for add_may_alias changes.
9476         (new_type_alias): Ditto.
9477         * tree-flow-inline.h (may_aliases): Return a bitmap.
9478         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
9479         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
9480         may_aliases being a bitmap.
9481         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
9482         may_aliases now returns a bitmap.
9483         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
9484         being a bitmap.
9485         * tree-ssa-operands.c (add_virtual_operand): Update for
9486         may_aliases being a bitmap.
9487
9488 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
9489
9490         PR tree-optimization/30630
9491         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
9492         variable as changed.
9493
9494 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
9495
9496         PR c++/28266
9497         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
9498         expanded only once even if an error occurs.
9499
9500 2007-01-29  Ben Elliston  <bje@au.ibm.com>
9501
9502         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
9503         (__gcov_average_profiler): Likewise.
9504         (__gcov_ior_profiler): Likewise.
9505         (__gcov_merge_ior): Likewise.
9506
9507 2007-01-28  Jan Hubicka  <jh@suse.cz>
9508
9509         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
9510         * value-prof.c (stringop_block_profile): Likewise.
9511
9512 2007-01-28  Jan Hubicka  <jh@suse.cz>
9513
9514         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
9515         variant handling histograms; add wrapper.
9516         (clear_storage_via_libcall): Export.
9517         (emit_block_move_hints): Break out from ...; add histograms.
9518         (emit_block_move): ... this one.
9519         (clear_storage_hints): Break out from ...; add histograms.
9520         (clear_storage): ... this one.
9521         (set_storage_via_memset): Handle histogram.
9522         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
9523         (clear_storage_hints, clear_storage_via_libcall): Declare.
9524         (set_storage_via_setmem): Update prototype.
9525         * doc/md.texi (movmem, setmem): Document new arguments.
9526
9527         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
9528         new histograms.
9529         (stringop_block_profile): New global function.
9530         (tree_stringops_values_to_profile): Profile block size and alignment.
9531         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
9532         HIST_TYPE_IOR.
9533         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
9534         (stringop_block_profile): Declare.
9535         * builtins.c: Include value-prof.h.
9536         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
9537         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
9538         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
9539         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
9540         * profile.c (instrument_values): Add new counters.
9541         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
9542         calls.
9543         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
9544         (tree_init_edge_profiler): Build new profilers.
9545         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
9546         (pass_tree_profile): Add dump.
9547         (tree_profile_hooks): Update.
9548         * Makefile.in (LIBGCOV): Add new constants.
9549         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
9550         __gcov_ior_profiler): New.
9551         * i386.md (movmem/setmem expanders): Add new optional arguments.
9552
9553 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
9554
9555         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9556
9557 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9558
9559         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9560         (tree_unswitch_single_loop): Pass eni_size_weights to
9561         tree_num_loop_insns.
9562         * tree-ssa-loop-manip.c: Include tree-inline.h.
9563         (can_unroll_loop_p): Pass eni_size_weights to
9564         tree_num_loop_insns.
9565         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9566         Pass eni_size_weights to estimate_num_insns.
9567         * tree.h (init_inline_once): Export.
9568         * toplev.c (backend_init): Call init_inline_once.
9569         * cgraphunit.c (cgraph_process_new_functions,
9570         cgraph_analyze_function): Pass eni_inlining_weights to
9571         estimate_num_insns.
9572         * ipa-inline.c (compute_inline_parameters): Ditto.
9573         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9574         to estimate_num_insns.
9575         (try_unroll_loop_completely): Pass eni_size_weights to
9576         tree_num_loop_insns.
9577         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9578         ot estimate_num_insns.
9579         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9580         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9581         * tree-inline.c (eni_inlining_weights, eni_size_weights,
9582         eni_time_weights): New variables.
9583         (init_inline_once): Initialize them.
9584         (struct eni_data): Mew.
9585         (estimate_num_insns_1, estimate_num_insns): Use weights.
9586         * tree-inline.h (struct eni_weights_d): New.
9587         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9588         (estimate_num_insns): Declaration changed.
9589         * cfgloop.h (tree_num_loop_insns): Declaration changed.
9590         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9591         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9592
9593 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9594
9595         * tree-data-ref.c (conflict_fn): Assert that the number of affine
9596         relations in the conflict function is valid.
9597
9598 2007-01-27  Ian Lance Taylor  <iant@google.com>
9599
9600         * common.opt: Add fstrict-overflow.
9601         * opts.c (decode_options): Set flag_strict_overflow if -O2.
9602         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9603         (TYPE_OVERFLOW_UNDEFINED): Define.
9604         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
9605         Replace all uses.
9606         * tree.h (TYPE_TRAP_SIGNED): Don't define.
9607         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9608         (fold_negate_expr): Likewise.
9609         (make_range): Likewise.
9610         (extract_muldiv_1): Likewise.
9611         (maybe_canonicalize_comparison): Likewise.
9612         (fold_comparison): Likewise.
9613         (fold_binary): Likewise.
9614         (tree_expr_nonnegative_p): Likewise.
9615         (tree_expr_nonzero_p): Likewise.
9616         * tree-vrp.c (compare_values): Likewise.
9617         (extract_range_from_binary_expr): Likewise.
9618         (extract_range_from_unary_expr): Likewise.
9619         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9620         Likewise.
9621         (nowrap_type_p): Likewise.
9622         * tree-scalar-evolution.c (simple_iv): Likewise.
9623         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9624         (build_range_check): Likewise.
9625         (extract_muldiv_1): Likewise.
9626         (fold_comparison): Likewise.
9627         * tree-vrp.c (vrp_int_const_binop): Likewise.
9628         (extract_range_from_unary_expr): Likewise.
9629         * convert.c (convert_to_integer): Likewise.
9630         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9631         (fold_comparison): Likewise.
9632         (fold_binary): Likewise.
9633         * optabs.c (optab_for_tree_code): Likewise.
9634         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
9635         * simplify-rtx.c (simplify_const_relational_operation): Check
9636         flag_strict_overflow and flag_trapv.
9637         (simplify_const_relational_operation): Likewise.
9638         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
9639         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
9640         -fstrict-overflow.
9641
9642 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9643
9644         * tree.c (tree_fold_gcd): Delete.
9645         * tree.h (tree_fold_gcd): Remove prototype.
9646         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
9647         test whether one constant integer is a multiple of another.  Instead
9648         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
9649         * fold-const.c (multiple_of_p):  We've determined both TOP and
9650         BOTTOM are integer constants so we can call int_const_binop directly
9651         instead of the more generic const_binop.
9652
9653 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9654
9655         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
9656         1*X check that the constant hasn't overflowed, to preserve the
9657         TREE_OVERFLOW bit.
9658         (round_up): Provide an efficient implementation when rouding-up an
9659         INTEGER_CST to a power-of-two.
9660
9661 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9662
9663         * doc/sourcebuild.texi: Add comma for clarity.
9664         * doc/extend.texi: Fix some typos.
9665         * doc/passes.texi: Likewise.
9666         * doc/cppinternals.texi: Likewise.
9667         * doc/c-tree.texi: Likewise.
9668         * doc/tree-ssa.texi: Likewise.
9669         * doc/install.texi: Likewise.
9670
9671 2007-01-27  Jan Hubicka  <jh@suse.cz>
9672
9673         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
9674         (pass_sra): Do not require alias information.
9675         * passes.c (init_optimization_passes): Add SRA
9676
9677 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
9678
9679         * tracer.c (rest_of_handle_tracer): We already cleaned
9680         up the CFG in tracer() so don't do it here again.
9681         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
9682         cleanup_cfg here, either.  And don't call renumber_insns.
9683
9684         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
9685         and BB_HEAD are in the insn stream here.  Instead make sure
9686         that BB_INSN is valid on all insns.  Also, do check here that
9687         there are no pending branch predictions...
9688         (rtl_verify_flow_info): ...instead of doing it here.  Checks
9689         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
9690         here.
9691
9692 2007-01-26  Roger Sayle  <roger@eyesopen.com>
9693
9694         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
9695         function to simplify/factorize operand order canonicalization.
9696         (ix86_fixup_binary_operands): Reorganize using the above function.
9697         (ix86_binary_operator_ok): Likewise.
9698
9699 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
9700
9701         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
9702         file scope from optimize_attrs.
9703         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
9704         up search.
9705         (optimize_attrs): Clear insn_code_values after freeing it.
9706
9707 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9708
9709         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
9710         a parts.base assignment.
9711
9712 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9713
9714         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
9715         (compute_subscript_distance, initialize_data_dependence_relation,
9716         finalize_ddr_dependent, analyze_ziv_subscript,
9717         analyze_siv_subscript_cst_affine,
9718         compute_overlap_steps_for_affine_univar,
9719         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
9720         analyze_siv_subscript, analyze_miv_subscript,
9721         analyze_overlapping_iterations, subscript_dependence_tester_1,
9722         compute_self_dependence, free_dependence_relation): Work
9723         with affine_fn instead of chrecs.
9724         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
9725         common_affine_function, affine_function_base,
9726         affine_function_constant_p, affine_fn_op, affine_fn_plus,
9727         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
9728         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
9729         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
9730         (all_chrecs_equal_p): Removed.
9731         * tree-data-ref.h (affine_fn, conflict_function): New types.
9732         (struct subscript): Change type of conflicting_iterations_in_a
9733         and conflicting_iterations_in_b.
9734
9735 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
9736
9737         PR other/30182
9738         * config/pa/pa.h (TARGET_HPUX_11): New.
9739         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
9740         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
9741
9742 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
9743         Richard Guenther  <rguenther@suse.de>
9744
9745         * tree-ssa-structalias.c (solve_graph): Handle case
9746         we merged the variable to another.
9747
9748 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9749
9750         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
9751         functions.
9752
9753         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
9754         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
9755
9756 2007-01-25  DJ Delorie  <dj@redhat.com>
9757
9758         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
9759         allow changes to modes which don't fit in those registers.
9760
9761         * reload1.c (choose_reload_regs): Check for invalid subregs before
9762         computing their locations, not after.
9763
9764 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
9765
9766         PR 25127
9767         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
9768         save Altivec registers in an eh_return function.
9769         (compute_vrsave_mask): Likewise.
9770         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
9771         for saving Altivec registers.
9772         (rs6000_emit_prologue): Don't allocate stack twice in
9773         eh_return function.  Correct expected value of altivec_save_offset
9774         when using save_world.  Describe save of R0 to stack when using
9775         save_world.  Describe stack pointer adjustment when using
9776         save_world.  Remove duplicated eh_return parameter register saving.
9777         Update sp_offset variable after save_world.
9778         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
9779         darwin-world.asm.
9780         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
9781         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
9782         implies Altivec.
9783
9784 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9785
9786         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
9787
9788 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9789
9790         PR other/30182
9791         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
9792         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
9793
9794 2007-01-25  Richard Guenther  <rguenther@suse.de>
9795
9796         * doc/invoke.texi (-Wcoverage-mismatch): Document.
9797         * common.opt (-Wcoverage-mismatch): New warning option.
9798         * coverage.c (get_coverage_counts): Ignore coverage mismatch
9799         if -Wcoverage-mismatch is given.
9800
9801 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
9802
9803         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
9804         (ipcp_driver): Change to static definition.
9805         Add dumping of the ifunctions.
9806         (constant_val_insert): Remove unused parameter. Support for SSA.
9807         (ipcp_propagate_const): Support for SSA.
9808         (ipcp_profile_bb_print): Print only analyzed nodes.
9809         (ipcp_replace_map_create): Remove support for Fortran constant
9810         for now.
9811         * ipa-prop.c (ipa_method_modify_stmt,
9812         ipa_callsite_compute_param): Support for SSA.
9813         * ipa-prop.h (ipcp_driver): Remove declaration.
9814         (IS_VALID_TREE_MAP_INDEX): Add define.
9815
9816 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
9817
9818         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
9819
9820 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9821
9822         PR middle-end/30447
9823         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
9824         constant argument to cabs and do it without checking for
9825         -funsafe-math-optimizations.
9826
9827 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
9828
9829         * c-common.h (RID_FIRST_CXX0X): New.
9830         (RID_LAST_CXX0X): New.
9831         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
9832         by -Wall.
9833         * c.opt (Wc++0x-compat): New.
9834         * doc/invoke.texi (-Wc++0x-compat): Document.
9835
9836 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9837
9838         * builtins.c (fold_builtin_carg): New.
9839         (fold_builtin_1): Use it.
9840
9841 2007-01-24  Jan Hubicka  <jh@suse.cz>
9842
9843         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
9844
9845         * ipa-inline.c (initial_insns, max_insns): Delete.
9846         (compute_max_insns): New function.
9847         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
9848         of insns as base for code growth.
9849         (cgraph_decide_inlining): Make initial_insns local; do not compute
9850         max_insns.
9851         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
9852         * doc/invoke.texi (inline-unit-growth): Update docs.
9853
9854 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
9855
9856         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
9857         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
9858         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
9859         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
9860         for CPUs that have PTA_CX16 set.
9861
9862         PR middle-end/27416
9863         * gimplify.c (omp_check_private): New function.
9864         (gimplify_scan_omp_clauses): Use it for
9865         firstprivate/lastprivate/reduction.
9866
9867         PR middle-end/30494
9868         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
9869         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
9870
9871         PR middle-end/30421
9872         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
9873         If lower_lastprivate_clauses emits some statements, append them
9874         to dlist rather than body_p and to body_p append an initializer.
9875         (lower_omp_for): Adjust caller.
9876
9877 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
9878
9879         * target.h (globalize_decl_name): New.
9880         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9881         * output.h (default_globalize_decl_name): New.
9882         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
9883         globalize_label.
9884         (globalize_decl): Ditto.
9885         (default_globalize_decl_name): New.
9886         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
9887         (ia64_handle_version_id_attribute): New.
9888         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9889         (ia64_asm_output_external): Use globalize_decl_name instead
9890         of globalize_label.
9891         * doc/extend.texi (version_id): New pragma.
9892         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
9893
9894 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9895
9896         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
9897         _uleb128_t and _Unwind_SWord with _sleb128_t.
9898         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
9899         uw_frame_state_for, uw_update_context_1): Likewise.
9900         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
9901         * unwind-pe.h (read_uleb128, read_sleb128,
9902         read_encoded_value_with_base): Likewise.
9903         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
9904
9905 2007-01-24  Richard Guenther  <rguenther@suse.de>
9906
9907         * builtins.c (expand_builtin_cexpi): Get the fndecl
9908         for cexp in the correct way.
9909
9910 2007-01-24  Jan Hubicka  <jh@suse.cz>
9911
9912         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
9913
9914 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9915
9916         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
9917         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
9918         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
9919         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
9920         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
9921         __SIZEOF_PTRDIFF_T__.
9922         * doc/cpp.texi: Documentation for the new builtin macros added.
9923
9924 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
9925
9926         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
9927         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
9928         instead of operands[2] to avoid access past the end of array.
9929
9930 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
9931
9932         * reload1.c (emit_reload_insns): Pass the reload register
9933         for a non-spill output reload through forget_old_reloads_1.
9934
9935 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
9936
9937         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9938         _SOFT_DOUBLE if doubles use software floating-point.
9939         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
9940         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9941         * config/rs6000/darwin-ldouble.c: Also compile functions for
9942         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
9943         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9944         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
9945         commented-out long double override.
9946         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
9947         * config/rs6000/eabispe.h: Likewise.
9948         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
9949         long double for non-SPE.
9950         (rs6000_handle_option): Likewise.
9951         (invalid_e500_subreg): Disallow more subregs involding DImode,
9952         DFmode, TImode or TFmode.
9953         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
9954         E500 double.
9955         (legitimate_lo_sum_address_p): Also check for TFmode for E500
9956         double.
9957         (rs6000_legitimize_address): Also handle TFmode for E500 double.
9958         (rs6000_legitimize_reload_address): Also handle TFmode for E500
9959         double.
9960         (rs6000_legitimate_address): Also check for TFmode for E500
9961         double.
9962         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
9963         (spe_build_register_parallel): Handle TFmode and TCmode.
9964         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
9965         double.
9966         (function_arg): Handle TFmode and TCmode for E500 double.
9967         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
9968         in general.
9969         (print_operand): Handle TFmode and TImode for %y.
9970         (rs6000_generate_compare): Handle TFmode comparisons for E500
9971         double.
9972         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
9973         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
9974         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
9975         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
9976         TFmode for E500 double.
9977         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
9978         (floatsidf2): Enable for E500 double.
9979         (movtf_softfloat): Use rs6000_nonimmediate_operand.
9980         (extenddftf2): Change to extenddftf2_fprs.
9981         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
9982         depending on TARGET_E500_DOUBLE.
9983         (extendsftf2): Enable for E500 double.
9984         (trunctfdf2): Enable for E500 double.
9985         (trunctfsf2): Change to trunctfsf2_fprs.
9986         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
9987         depending on TARGET_E500_DOUBLE.
9988         (floatsitf2): Enable for E500 double.
9989         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
9990         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
9991         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
9992         (negtf2): Change to negtf2_internal.
9993         (negtf2): New expander.
9994         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
9995         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
9996         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
9997         (movdi_internal32): Use rs6000_nonimmediate_operand.
9998         (unnamed splitter): Likewise.
9999         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
10000         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
10001         (SPE64TF, DITI): New mode macros.
10002         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
10003         modes.
10004         (frob_tf_ti): New.
10005         (frob_<mode>_di_2): New.
10006         (frob_tf_di_8_2): New.
10007         (frob_di_df): Change to frob_di_<mode>; allow more modes.
10008         (frob_ti_tf): New.
10009         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
10010         more modes.
10011         (frob_ti_<mode>_8_2): New.
10012         (frob_ti_tf_2): New.
10013         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
10014         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
10015         TFmode.
10016         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
10017         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
10018         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
10019         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
10020         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
10021         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
10022         tsttflt_gp): New.
10023
10024 2007-01-23  Ian Lance Taylor  <iant@google.com>
10025
10026         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
10027         insn-*.o first.
10028         (OBJS-archive): Reformat, alphabetize.
10029         (OBJS): Change out_object_file to OBJS-md.
10030
10031 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
10032
10033         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
10034         JUMP_P and CALL_P predicates where applicable.
10035         * config/i386/i386.c: Ditto.
10036         * config/i386/i386.md: Ditto.
10037         * config/i386/mmx.md: Ditto.
10038         * config/i386/predicates.md: Ditto.
10039
10040 2007-01-22  Andreas Schwab  <schwab@suse.de>
10041
10042         * config/m68k/m68k.h: Fix comment.
10043
10044 2007-01-22  Jan Hubicka  <jh@suse.cz>
10045
10046         * passes.c (init_optimization_passes): Do not rerun
10047         pass_early_warn_uninitialized.
10048
10049 2007-01-22  Richard Guenther  <rguenther@suse.de>
10050
10051         PR tree-optimization/30038
10052         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
10053         function.
10054         (execute_cse_sincos_1): Likewise.
10055         (execute_cse_sincos): Likewise.
10056         (gate_cse_sincos): Likewise.
10057         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
10058         the cexpi() canonicalization of sincos().
10059         * tree-pass.h (pass_cse_sincos): Declare.
10060         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
10061
10062 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10063
10064         PR rtl-optimization/29329
10065         * combine.c (replaced_rhs_insn): Rename to i2mod.
10066         (replaced_rhs_value): Rename to i2mod_new_rhs.
10067         (i2mod_old_rhs): New global variable.
10068         (combine_instructions): Adjust for above change.  Save a copy of
10069         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
10070         note are substituted in the second instruction.
10071         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
10072         ditch the note if it pertains to the second eliminated register
10073         and this register is mentioned in i2mod_old_rhs.
10074
10075         Revert:
10076         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
10077
10078         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
10079         the insn to which the note was originally attached.
10080
10081 2007-01-21  Jan Hubicka  <jh@suse.cz>
10082
10083         * ipa-inline.c (inlining_mode): Comment, move up.
10084         (cgraph_decide_inlining_incrementally): Do not perform inlining
10085         itself; fix handling of flattening of self recursive functions.
10086         (cgraph_find_cycles): Remove.
10087         (cgraph_flatten_node): Remove.
10088         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
10089         (try_inline): New function.
10090         (cgraph_early_inlining): Update call of
10091         cgraph_decide_inlining_incrementally.  Apply inlining here.
10092         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
10093
10094 2007-01-21  Dirk Mueller  <dmueller@suse.de>
10095
10096         PR bootstrap/30511
10097         * tree-vrp.c (check_array_bounds): do not warn
10098         about ADDR_EXPR's of ARRAY_REF's which are immediately
10099         used in binary expressions.
10100
10101 2007-01-21  Ira Rosen  <irar@il.ibm.com>
10102
10103         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
10104         read_write_dep and macros for its access.
10105         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
10106         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
10107         argument, call vect_check_interleaving for every independent pair of
10108         data-refs. Mark loads that access the same memory location as a store
10109         in the loop.
10110         (vect_check_dependences): Remove.
10111         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
10112         call, fix the call to vect_analyze_data_ref_dependence.
10113         (vect_analyze_data_ref_access): For statements that access the same
10114         data-ref, check that they are not stores; for loads, check that there
10115         is no store that access the same location.
10116
10117 2007-01-20  Roger Sayle  <roger@eyesopen.com>
10118             Joseph Myers  <joseph@codesourcery.com>
10119
10120         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
10121         (-fdump-rtl-stack): Likewise.
10122         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
10123         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
10124         (-mpt-fixed): Use @minus{} for minus sign.
10125         (Using Precompiled Headers): Fix under/overfull hbox.
10126
10127 2007-01-20  Jan Hubicka  <jh@suse.cz>
10128
10129         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
10130         place within annotation.
10131
10132 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10133
10134         * pa.c (output_move_double): Change array size of xoperands to 4.
10135
10136 2007-01-20  Jan Hubicka  <jh@suse.cz>
10137
10138         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
10139         as temporary.
10140
10141 2007-01-19  Ian Lance Taylor  <iant@google.com>
10142
10143         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
10144         constant to unsigned HOST_WIDE_INT before negating.
10145
10146 2007-01-19  Ian Lance Taylor  <iant@google.com>
10147
10148         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
10149         to unsigned.
10150         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
10151         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10152         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
10153         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
10154         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10155         (realloc_vdef, realloc_vuse): Change second parameter to
10156         unsigned.
10157         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
10158         fields to unsigned.
10159         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
10160         unsigned. Change x and lim locals to unsigned.
10161         (realloc_vdef, realloc_vuse): Change num_elem parameter to
10162         unsigned.
10163         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
10164         (copy_virtual_operands): Change i and n locals to unsigned.
10165
10166 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10167
10168         PR middle-end/29335
10169         * builtins.c (fold_builtin_1): Handle builtin fdim.
10170
10171 2007-01-20  Jan Hubicka  <jh@suse.cz>
10172
10173         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
10174         * tree-ssa-structalias.c (compute_points_to_sets): Do call
10175         init_alias_heapvars.
10176         (init_alias_heapvars): Initialize only when not already initialized.
10177         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
10178
10179 2007-01-19  Roger Sayle  <roger@eyesopen.com>
10180
10181         * common.opt (fsigned-zeros): New command line option.
10182         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
10183         of flag_unsafe_math_optimizations.
10184         * opts.c (set_fast_math_flags): The -ffast-math command line option
10185         implies -fno-signed-zeros.
10186         (fast_math_flags_set_p): Likewise.
10187
10188         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
10189         the documentation of -ffast-math appropriately.  Wrap long lines.
10190
10191 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
10192
10193         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
10194         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
10195
10196 2007-01-19  Tomas Bily  <tbily@suse.cz>
10197
10198         * cgraphunit.c (cgraph_finalize_function): Updating of pid
10199         * tree-profile.c:
10200         (tree_init_ic_make_global_vars): New function
10201         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
10202         (tree_gen_ic_profiler): New function
10203         (tree_gen_ic_func_profiler): New function
10204         (tree_profiling): Added calling of tree_gen_ic_func_profiler
10205         (tree_profile_hooks): Added hook for indirec/virtual calls
10206         * value-prof.c (tree_find_values_to_profile): New case for
10207         indirect calls
10208         (tree_values_to_profile): Call for determining indirect/virtual
10209         counters
10210         (tree_indirect_call_to_profile): New function
10211         (tree_ic_transform): New function
10212         (tree_ic): New function
10213         (find_func_by_pid): New function
10214         (init_pid_map): New function
10215         (tree_value_profile_transformations): Added check for
10216         indirect/virtual call transformation
10217         * value-prof.h (enum hist_type): New counter type for
10218         indirect/virtual calls
10219         (profile_hooks): Added new hook for profiling indirect/virtual
10220         calls
10221         * profile.c (instrument_values): New case for indirect/virtual
10222         call added
10223         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
10224         (GCOV_COUNTER_V_INDIR): New counter type
10225         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
10226         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
10227         call added
10228         * cgraph.c: Definition of cgraph_max_pid
10229         (cgraph_create_node): Default init of pid attribute
10230         * cgraph.h: Declaration of cgraph_max_pid
10231         (struct cgraph_node): Added pid attribute
10232         * libgcov.c (__gcov_indirect_call_profiler): New function
10233         (__gcov_one_value_profiler_body): New function
10234         (__gcov_one_value_profiler): Body was moved to
10235         __gcov_one_value_profiler_body and calls it
10236
10237 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
10238
10239         * doc/gty.texi (Options): Document the mark_hook option to GTY.
10240         * gengtype.c (write_types_data, write_func_for_structure,
10241         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
10242         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
10243         (walk_type, write_func_for_structure): Generate the mark_hook if
10244         needed.
10245
10246 2007-01-19  Jan Hubicka  <jh@suse.cz>
10247
10248         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
10249         'early' argument take inlining mode argument specifying whether to
10250         inline for size/speeed or all functions; add support for flattening;
10251         improve dumpting.
10252         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
10253
10254 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10255
10256         PR c++/17947
10257         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
10258         the name of the declared identifier.
10259
10260 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10261
10262         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
10263         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
10264         duplicate evaluation.
10265
10266 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10267
10268         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
10269         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
10270         to XFMode, use acosxf2 and truncate result to requested mode.
10271         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10272         (asin<mode>2): Similarly, with asin expanders.
10273         (*fscalexf4_i387): Rename from *fscalexf4.
10274         (expNcorexf3): New expander.
10275         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
10276         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
10277         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
10278         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
10279         patterns for SSE math.
10280         (exp10<mode>2): Similarly, with exp10 expanders.
10281         (exp2<mode>2): Similarly, with exp2 expanders.
10282         (expm1<mode>2): Similarly, with expm1 expanders.
10283         (ldexp<mode>3): Similarly, with ldexp expanders.
10284         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
10285         Use gen_truncxf<mode>2_i387_noop to truncate result.
10286
10287 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10288
10289         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
10290         for ColdFire targets.
10291
10292 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
10293             Richard Sandiford  <richard@codesourcery.com>
10294
10295         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
10296         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
10297         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
10298         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
10299         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10300         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10301
10302 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10303
10304         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
10305         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
10306         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
10307         (*adddi_dilshr32_cf): New pattern.
10308         (adddi3, subdi3): Remove first alternatives.
10309
10310 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10311
10312         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10313         implemented using move.l, do not use its cc result for floating-point
10314         comparisons.
10315
10316 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10317
10318         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10319         from accepting 's' constraints if flag_pic.
10320
10321 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10322
10323         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10324         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10325         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10326         condition from TARGET_68881 to TARGET_HARD_FLOAT.
10327
10328 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
10329
10330         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10331         ColdFire alternatives.
10332         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10333         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
10334         architectures that support ff1 instruction.
10335
10336 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10337             Julian Brown  <julian@codesourcery.com>
10338
10339         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10340         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10341         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
10342         Add commentary.
10343
10344 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10345
10346         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10347         and return a bool.
10348         (output_move_const_into_data_reg, output_move_simode_const): Delete.
10349         * config/m68k/m68k.c (const_method, const_int_cost): Take a
10350         HOST_WIDE_INT instead of an rtx.
10351         (m68k_rtx_costs): Update call accordingly.
10352         (output_move_const_into_data_reg): Likewise.  Fix formatting.
10353         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
10354         Return a bool.
10355         (output_move_simode_const): Update calls after above changes.
10356         Rework to use automatic variables and predicates like MEM_P.
10357         * config/m68k/m68k.md (pushexthisi_const): Update call to
10358         valid_mov3q_const.
10359
10360 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10361
10362         * tree-ssa-alias.c (perform_var_substitution): Fix typo
10363         in dump_flags test.
10364
10365 2007-01-19  Richard Guenther  <rguenther@suse.de>
10366
10367         * builtins.c (expand_builtin_cexpi): Fall back to expanding
10368         via cexp in case sincos is not available.
10369
10370 2007-01-19  Richard Guenther  <rguenther@suse.de>
10371
10372         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
10373         * defaults.h (TARGET_HAS_SINCOS): Default to off.
10374         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
10375         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
10376         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
10377         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
10378         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
10379         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
10380
10381 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10382
10383         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
10384         New insn patterns.
10385         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10386         (atan2xf3): Directly generate RTL pattern.
10387         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10388         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10389         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10390         disable patterns for SSE math.
10391         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10392         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10393         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10394         disable patterns for SSE math.
10395
10396 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
10397
10398         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
10399
10400 2007-01-18  Roger Sayle  <roger@eyesopen.com>
10401
10402         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
10403         VIEW_CONVERT_EXPR to the same type as it's operand.
10404
10405 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
10406
10407         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
10408         configured for long double 128.
10409
10410 2007-01-18  Mike Stump  <mrs@apple.com>
10411
10412         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
10413         error.
10414
10415 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
10416
10417         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
10418         type correct.
10419
10420 2007-01-18  Jan Hubicka  <jh@suse.cz>
10421
10422         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
10423         greater than NUM_VOP_FREE_BUCKETS.
10424
10425 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
10426
10427         * tree-ssa-structalias.c: Update comments.
10428         (ptabitmap_obstack): Removed.
10429         (pta_obstack): New.
10430         (oldpta_obstack): Ditto.
10431         (stats): Add a few members.
10432         (struct variable_info): Remove node, complex, address_taken, and
10433         indirect_target members. Add oldsolution member.
10434         (new_var_info): Do not initialize removed members.
10435         (constraint_expr_type): Remove INCLUDES.
10436         (constraint_graph): Add size, implicit_preds, rep,
10437         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
10438         (FIRST_REF_NODE): New macro.
10439         (LAST_REF_NODE): Ditto.
10440         (FIRST_ADDR_NODE): Ditto.
10441         (find): New function.
10442         (unite): Ditto.
10443         (dump_constraint): Do not handle INCLUDES.
10444         (insert_into_complex): Do not insert duplicate constraints.
10445         (condense_varmap_nodes): Renamed and rewritten into ...
10446         (merge_node_constraints): This. Also fix bug in handling of
10447         offseted copy constraints.
10448         (clear_edges_for_node): No longer need to deal with preds at all,
10449         or removing associated preds/succs.
10450         (merge_graph_nodes): Deal with indirect_cycles.
10451         Don't deal with predecessors.
10452         (add_implicit_graph_edge): New function.
10453         (add_pred_graph_edge): Ditto.
10454         (add_graph_edge): Don't deal with predecessors.
10455         (build_constraint_graph): Removed.
10456         (build_pred_graph): New function.
10457         (build_succ_graph): Ditto.
10458         (struct scc_info): Removed in_component. Added roots, dfs, and
10459         node_mapping. Remove visited_index, unification_queue.
10460         (scc_visit): Deal with union-find we do now.
10461         Deal with cycles with REF nodes.
10462         (collapse_nodes): Renamed and rewritten to ...
10463         (unify_nodes): This.
10464         (process_unification_queue): Removed.
10465         (topo_visit): Cleanup
10466         (do_da_constraint): Use find.
10467         (do_sd_constraint): Ditto.
10468         (do_ds_constraint): Ditto.
10469         (do_complex_constraint): Ditto.
10470         (init_scc_info): Update for removed and added members.
10471         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
10472         (find_indirect_cycles): This.
10473         (equivalence_class): New variable.
10474         (label_visit): New function.
10475         (perform_variable_substitution): Rewritten.
10476         (free_var_substitution_info): New function.
10477         (find_equivalent_node): Ditto.
10478         (move_complex_constraints): Ditto.
10479         (eliminate_indirect_cycles): Ditto.
10480         (solve_graph): Only propagate changed bits.
10481         Use indirect cycle elimination.
10482         Use find.
10483         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
10484         (tree_id_eq): Renamed to ...
10485         (tree_vi_eq): This. Update for member change
10486         (insert_id_for_tree): Renamed and rewritten to ...
10487         (insert_vi_for_tree): This.
10488         (lookup_id_for_tree): Renamed and rewritten to ...
10489         (lookup_vi_for_tree): This.
10490         (get_id_for_tree): Renamed and rewritten to ...
10491         (get_vi_for_tree): Ditto.
10492         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
10493         (process_constraint): Don't handle INCLUDES.
10494         Remove special ADDRESSOF case.
10495         (find_func_aliases): Rewrite to use vi functions instead of id
10496         ones.
10497         (create_function_info_for): Ditto.
10498         (create_variable_info_for): Ditto.
10499         (intra_create_variable_infos): Ditto.
10500         (merge_smts_into): Ditto.
10501         (find_what_p_points_to): Ditto.
10502         (init_base_vars): Ditto.
10503         (init_alias_vars): Ditto.
10504         (remove_preds_and_fake_succs): New function.
10505         (dump_sa_points_to_info): Dump new stats.
10506         (dump_solution_for_var): Use find.
10507         (set_used_smts): Fix formatting.
10508         (compute_points_to_sets): Updated for new functions.
10509         (ipa_pta_execute): Ditto.
10510
10511 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10512             Richard Sandiford  <richard@codesourcery.com>
10513
10514         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
10515         parallels.
10516         * calls.c (expand_call): If the return value is a PARALLEL,
10517         extract its first member.
10518         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
10519         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10520         use FUNCTION_EXTRA_EPILOGUE.
10521         (m68k_function_value): Return a PARALLEL if the return value
10522         is of a pointer type.
10523         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
10524         (FUNCTION_EXTRA_EPILOGUE): Remove.
10525         * config/m68k/m68k.md (D0_REG): New constant.
10526
10527 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10528
10529         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10530         output a NOP for empty epilogues.
10531
10532 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10533
10534         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
10535         before function.  Extend register save check to include all
10536         registers, not just integer ones.
10537
10538 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10539
10540         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
10541         (m68k_use_return_insn): ...this.
10542         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
10543         * config/m68k/m68k.c (use_return_insn): Rename to...
10544         (m68k_use_return_insn): ...this.
10545         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
10546         of USE_RETURN_INSN.
10547
10548 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10549
10550         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
10551         nearest even, fix denormal rounding overflow.
10552
10553 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10554
10555         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10556         f%$smove and f%$move.
10557         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10558         (extendsfdf2_cf): Use fdmove instead of f%&move.
10559         (truncdfsf2_cf): Use fsmove instead of f%$smove.
10560         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10561
10562 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10563
10564         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10565         GPR<-GPR moves.
10566
10567 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10568
10569         * real.h (real_format): Add a canonical_nan_lsbs_set field.
10570         (coldfire_single_format): Declare.
10571         (coldfire_double_format): Likewise.
10572         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10573         of qnan_msb_set to determine the lower bits of a canonical
10574         NaN significand.
10575         (encode_ieee_double): Likewise.
10576         (encode_ieee_quad): Likewise.
10577         (ieee_single_format): Initialize canonical_nan_lsbs_set.
10578         (mips_single_format): Likewise.
10579         (ieee_double_format): Likewise.
10580         (mips_double_format): Likewise.
10581         (ieee_extended_motorola_format): Likewise.
10582         (ieee_extended_intel_96_format): Likewise.
10583         (ieee_extended_intel_128_format): Likewise.
10584         (ieee_extended_intel_96_round_53_format): Likewise.
10585         (ibm_extended_format): Likewise.
10586         (mips_extended_format): Likewise.
10587         (ieee_quad_format): Likewise.
10588         (mips_quad_format): Likewise.
10589         (vax_f_format): Likewise.
10590         (vax_d_format): Likewise.
10591         (vax_g_format): Likewise.
10592         (i370_single_format): Likewise.
10593         (i370_double_format): Likewise.
10594         (decimal_single_format): Likewise.
10595         (decimal_double_format): Likewise.
10596         (decimal_quad_format): Likewise.
10597         (c4x_single_format): Likewise.
10598         (c4x_extended_format): Likewise.
10599         (real_internal_format): Likewise.
10600         (coldfire_single_format): New real_format.
10601         (coldfire_double_format): Likewise.
10602         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10603         canonical_nan_lsbs_set.
10604         (pdp11_d_format): Likewise.
10605         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10606         if TARGET_COLDFIRE_CPU.
10607
10608 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10609
10610         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10611         (output_call, m68k_legitimize_call_address): Declare.
10612         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10613         parenthesees.  Add support for a 'W' constraint.
10614         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10615         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10616         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10617         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10618         variables.
10619         (override_options): Initialize them.  Do not set flag_no_function_cse
10620         for TARGET_ID_SHARED_LIBRARY.
10621         (m68k_output_pic_call): Delete.
10622         (m68k_legitimize_call_address): New function.
10623         (print_operand): Remove the %o prefix.  Handle the %p prefix.
10624         (output_call): New function.
10625         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
10626         target address from the GOT if symbolic jumps are not allowed.
10627         * config/m68k/m68k.md (call, general_operand): Do not set
10628         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
10629         Merge separate flag_pic and !flag_pic define_insns into...
10630         (*call, *call_value): ...these new patterns.  Match the address
10631         rather than the containing MEM and require it to be a call_operand.
10632         Use output_call to generate the asm template.
10633         * config/m68k/predicates.md (const_call_operand): New predicate.
10634         (call_operand): Likewise.
10635
10636 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10637
10638         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
10639         (STACK_GROWS_DOWNWARD): Define to 1.
10640         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
10641         comments, emphasizing that these values are only defaults.
10642         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
10643         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
10644
10645 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10646
10647         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
10648
10649 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10650             Richard Sandiford  <richard@codesourcery.com>
10651
10652         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
10653         (FP_REGNO_P): New macros.
10654         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
10655         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
10656         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
10657         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
10658
10659 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10660
10661         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10662         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
10663         to $tmake_file.
10664         * config/m68k/t-floatlib: New file, extracting common code from...
10665         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
10666         * config/m68k/t-uclinux: Here.
10667         * config/m68k/fpgnulib.c: Do not compile extendeed precision
10668         routines on ColdFire targets.
10669
10670 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10671
10672         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10673         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
10674         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
10675         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
10676         explicitly set MOTOROLA to 1.
10677         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
10678
10679 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10680             Nathan Sidwell  <nathan@codesourcery.com>
10681
10682         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
10683         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
10684         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
10685         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
10686         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
10687         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
10688         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
10689         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
10690         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
10691         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10692         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
10693         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
10694         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
10695         (DBX_REGISTER_NUMBER): Delete.
10696         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
10697         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10698         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
10699
10700 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10701
10702         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
10703         * config/flat.h: New file.
10704         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
10705         OBJECT_FORMAT_FLAT.
10706         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
10707         indirect references for -msep-data or -mid-shared-library.
10708         Do not use PC-relative code addresses either.
10709         * config/m68k/m68k.c (override_options): Restrict -fPIC error
10710         to -mpcrel.
10711         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
10712         for shared libraries and crt1.o for executables.  Use crti.o and
10713         crtbegin.o.
10714         (ENDFILE_SPEC): Use crtend.o and crtn.o.
10715         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
10716         Do not add -elf2flt or -shared-lib-id options here.
10717         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
10718         Pass -shared-lib-id if -mid-shared-library, taking the library
10719         identifier from -mshared-library-id if given, otherwise
10720         defaulting to 0.
10721         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
10722         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
10723         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
10724         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
10725         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
10726         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
10727         and crtend.o.
10728         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
10729         jump sequence for ISA A and ISA A+.
10730         (PICJUMP): Likewise.
10731
10732 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10733
10734         * config.gcc (m68k-*-uclinux*): Base the port on the common
10735         and m68k GNU/Linux files rather than on the generic ELF ones.
10736         * config/m68k/uclinux.h (TARGET_VERSION): Override.
10737         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10738
10739 2007-01-18  Julian Brown  <julian@codesourcery.com>
10740             Richard Sandiford  <richard@codesourcery.com>
10741
10742         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
10743         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10744         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
10745         before redefining.
10746         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
10747         80 unconditionally.
10748         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10749
10750 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10751
10752         * doc/install.texi: Document m68k-uclinuxoldabi.
10753         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
10754         * config/m68k/uclinux-oldabi.h: New file, copied from
10755         config/m68k/uclinux.h.
10756
10757 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
10758
10759         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
10760         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
10761         (m32r_compute_frame_size): Use unsigned for regno.
10762         (m32r_reload_lr): Use gen_frame_mem.
10763         (pop): New.
10764         (m32r_output_function_epilogue): Don't output the function epilogue
10765         textually here.
10766         (m32r_expand_epilogue): New.
10767         (direct_return): Return false if the function has the interrupt
10768         attribute.
10769         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
10770         * config/m32r/m32r.md (epilogue): New expander.
10771         (return_lr, return_rte): New insns.
10772         (return): Make it expander.
10773         (return_normal): New expander.
10774
10775 2007-01-18  Josh Conner  <jconner@apple.com>
10776
10777         PR target/30485
10778         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
10779         support for UNLE, UNLT, UNGE, and UNGT.
10780
10781 2007-01-18  Jan Hubicka  <jh@suse.cz>
10782
10783         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
10784         * tree-tailcall (add_virtual_phis): Likewise.
10785         (optimize_tail_call): Return TODOs.
10786         (execute_tail_calls): Return TODOs.
10787         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
10788         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
10789         changed.
10790         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
10791         Cleanup cfg using TODO.
10792         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
10793         * passes.c (execute_function_todo): When cleanup did something, remove
10794         unused locals.
10795         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
10796         (make_edges): Don't cleanup_cfg.
10797
10798 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
10799
10800         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
10801         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
10802         operate on the top of stack.
10803         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
10804         register handling of instructions that output to the second
10805         stack slot.
10806         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
10807         (move_for_stack_reg): Special-case check for dead destination
10808         stack slot for constant load of 1.0 inside UNSPEC_TAN.
10809
10810         * config/i386/i386.md (UNSPEC_TAN): New constant.
10811         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
10812         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
10813         to correctly model move of constant 1.0 to top stack slot.
10814         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
10815         (unnamed peephole2 pattern): Remove corresponding peephole2
10816         pattern that optimizes tan insn and loading of constant 1.0.
10817         (tanxf2): Use fptanxf4_i387.
10818         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
10819         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
10820         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10821         disable patterns for SSE math.
10822         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
10823         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
10824
10825 2007-01-18  Dirk Mueller  <dmueller@suse.de>
10826             Richard Guenther <rguenther@suse.de>
10827
10828         PR diagnostic/8268
10829         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
10830         * common.opt (Warray-bounds): Add new warning option.
10831         * c-opts.c (c_common_handle_option): Define -Warray-bounds
10832         if -Wall is given.
10833         * Makefile.in: make tree-vrp.o depend on toplev.h
10834         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
10835         is enabled.
10836         (check_array_refs, check_array_bounds, check_array_ref): New.
10837
10838 2007-01-18  Jan Hubicka  <jh@suse.cz>
10839
10840         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
10841         (execute_ssa_ccp): Return flags conditionally.
10842         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
10843         changed.
10844         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
10845
10846 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
10847
10848         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
10849         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
10850
10851         * Makefile.c (GTFILES): Add cfglayout.h.
10852         * gengtype.c (open_base_files): Likewise.
10853         * cfglayout.c (cfg_layout_function_footer,
10854         cfg_layout_function_header) Reindent to make gengtype happy.
10855         * cfglayout.h (cfg_layout_function_footer,
10856         cfg_layout_function_header): Add GTY(()) marker.
10857
10858         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
10859
10860 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10861
10862         * genautomata.c (write_automata): Include xstrerror output in the
10863         error message if writing the DFA description file fails.
10864
10865 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
10866
10867         * config/mips/mips-protos.h (mips_output_external): Make it
10868         return void.
10869         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
10870         * config/mips/mips.c (irix_output_external_libcall): Likewise.
10871         (extern_list): Likewise.
10872         (extern_head): Likewise.
10873         (TARGET_ASM_FILE_END): Likewise.
10874         (mips_file_end): Likewise.
10875         (mips_output_external): Rewritten.
10876
10877 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10878
10879         * genpreds.c (write_insn_preds_c): Only write out the function
10880         body for regclass_for_constraint if we have register constraints.
10881
10882 2007-01-17  Tom Tromey  <tromey@redhat.com>
10883
10884         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
10885         * doc/install.texi (Testing): Use sourceware.org.
10886         (Binaries): Likewise.
10887         (Specific): Likewise.
10888         * doc/contrib.texi (Contributors): Use sourceware.org.
10889
10890 2007-01-17  Anatoly Sokolov <aesok@post.ru>
10891
10892         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
10893         (AVR_ENHANCED): Rename to ...
10894         (AVR_HAVE_MUL): ... new.
10895         (avr_enhanced_p): Rename to ...
10896         (avr_have_mul_p): ... new.
10897         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
10898         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
10899         * config/avr/avr.c (avr_enhanced_p): Rename to ...
10900         (avr_have_mul_p): ... new.
10901         (base_arch_s): Rename 'enhanced' to 'have_mul'.
10902         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
10903         'avr_enhanced_p' and 'enhanced'.
10904         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
10905         AVR_HAVE_MUL instead of AVR_ENHANCED.
10906         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10907         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
10908         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
10909         instead of AVR_ENHANCED.
10910         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10911         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
10912         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
10913
10914 2007-01-17  Ian Lance Taylor  <iant@google.com>
10915
10916         * vec.h (VEC_reserve_exact): Define.
10917         (vec_gc_p_reserve_exact): Declare.
10918         (vec_gc_o_reserve_exact): Declare.
10919         (vec_heap_p_reserve_exact): Declare.
10920         (vec_heap_o_reserve_exact): Declare.
10921         (VEC_OP (T,A,reserve_exact)): New static inline function, three
10922         versions.
10923         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
10924         negative parameter.
10925         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
10926         (VEC_OP (T,A,copy)) [all versions]: Likewise.
10927         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
10928         * vec.c (calculate_allocation): Add exact parameter.  Change all
10929         callers.
10930         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
10931         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
10932         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
10933         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
10934         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
10935         (vec_heap_p_reserve_exact): New function.
10936         (vec_heap_o_reserve_exact): New function.
10937
10938 2007-01-17  Jan Hubicka  <jh@suse.cz>
10939
10940         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
10941
10942 2007-01-17  Eric Christopher  <echristo@apple.com>
10943
10944         * config.gcc: Support core2 processor.
10945
10946 2007-01-16  Jan Hubicka  <jh@suse.cz>
10947
10948         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
10949         the names, just unlink the chain so we don't crash on dangling pointers
10950         to dead SSA names.
10951
10952 2007-01-16  Jan Hubicka  <jh@suse.cz>
10953
10954         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
10955         * tree-pass.h: Reorder to make IPA passes appear toegher.
10956         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
10957         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
10958         parameters, do not call early inliner.
10959         * ipa-inline.c: Update comments.  Include tree-flow.h
10960         (cgraph_decide_inlining): Do not compute inlining parameters.
10961         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
10962         be called with function context set up.
10963         (pass_ipa_inline): Remove unreachable functions before pass.
10964         (cgraph_early_inlining): Simplify assuming to be called from the
10965         PM as local pass.
10966         (pass_early_inline): New pass.
10967         (cgraph_gate_ipa_early_inlining): New gate.
10968         (pass_ipa_early_inline): Turn into simple wrapper.
10969         (compute_inline_parameters): New function.
10970         (gate_inline_passes): New gate.
10971         (pass_inline_parameters): New pass.
10972         (apply_inline): Move here from tree-optimize.c
10973         (pass_apply_inline): New pass.
10974         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
10975         transforming.
10976         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
10977         doing them by hand.
10978         (tree_function_versioning): Do not allocate dummy struct function.
10979         * tree-inline.h (optimize_inline_calls): Update prototype.
10980         * tree-optimize.c (execute_fixup_cfg): Export.
10981         (pass_fixup_cfg): Remove
10982         (tree_rest_of_compilation): Do not apply inlines.
10983         * tree-flow.h (execute_fixup_cfg): Declare.
10984         * Makefile.in (gt-passes.c): New.
10985         * passes.c: Include gt-passes.h
10986         (init_optimization_passes): New passes.
10987         (nnodes, order): New static vars.
10988         (do_per_function_toporder): New function.
10989         (execute_one_pass): Dump current pass here.
10990         (execute_ipa_pass_list): Don't dump current pass here.
10991
10992 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
10993
10994         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
10995         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
10996
10997 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
10998
10999         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
11000         (strong_alias): Define.
11001         (__gcc_qmul): Provide non-FMA for soft-float.
11002         (__gcc_qdiv): Same.
11003         (__gcc_qneg): New.
11004         (__gcc_qeq): New.
11005         (__gcc_qle): New.
11006         (__gcc_qge): New.
11007         (__gcc_qunord): New.
11008         (__gcc_stoq): New.
11009         (__gcc_dtoq): New.
11010         (__gcc_qtos): New.
11011         (__gcc_qtod): New.
11012         (__gcc_qtoi): New.
11013         (__gcc_qtou): New.
11014         (__gcc_itoq): New.
11015         (__gcc_utoq): New.
11016         (fmsub): New.
11017         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
11018         soft-float functions.
11019         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
11020         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
11021         about long double soft float.
11022
11023 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
11024             Tehila Meyzels  <tehila@il.ibm.com>
11025
11026         * tree-vectorizer.h (is_pattern_stmt_p): New.
11027         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
11028         formatting (tabs instead of spaces). Cleanup and clarify setting
11029         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
11030         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
11031         (vectorizable_type_demotion): Check that types are integral.
11032         (vectorizable_type_promotion): Likewise.
11033         (vectorizable_store): Fix typo.  Eliminate new-line at end of
11034         comments.
11035
11036 2007-01-16  Jan Hubicka  <jh@suse.cz>
11037
11038         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
11039         cgraph edges too.
11040
11041 2007-01-15  Eric Christopher  <echristo@apple.com>
11042
11043         * ifcvt.c: Include vec.h, vecprim.h.
11044         (check_cond_move_block): New argument regs.
11045         Reorganize. Add registers used to regs.
11046         (cond_move_process_if_block): Use regs set above as
11047         loop bounds.
11048
11049 2007-01-15  Eric Christopher  <echristo@apple.com>
11050
11051         * config/darwin.h: Update copyright.
11052         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
11053         (LINK_COMMAND_SPEC): Add -u.
11054         (LINK_SPEC): Fix umbrella for above.
11055
11056 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
11057
11058         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
11059         glibc CVS.
11060
11061 2007-01-15  Tom Tromey  <tromey@redhat.com>
11062
11063         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
11064         * doc/install.texi (Testing): Don't mention jacks.
11065         (Configuration): Document --enable-java-maintainer-mode.  Move
11066         --with-java-home to libgcj-specific section.  Document
11067         --with-ecj-jar.
11068         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
11069
11070 2007-01-15  Jan Hubicka  <jh@suse.cz>
11071
11072         * tree-ssa-dce.c (DCE_TODOs): New.
11073         (propagate_necessity): Return if something changed.
11074         (eliminate_unnecessary_stmts): Likewise.
11075         (perform_tree_ssa_dce): Return TODO flags when needed.
11076         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
11077
11078 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
11079
11080         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
11081         (fyl2x_extend<mode>xf3_i387): New insn pattern.
11082         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
11083         patterns using X87MODEF12 mode macro.  Extend operand 1
11084         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
11085         (log10<mode>2): Ditto.
11086         (log2<mode>2): Ditto.
11087         (log1p<mode>2): Ditto.
11088         (logb<mode>2): Ditto.
11089         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
11090         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
11091         (*fxtractxf3_i387): Rename from *fxtractxf3.
11092         (fxtract_extend<mode>xf3_i387): New insn pattern.
11093         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
11094         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
11095         and gen_fyl2xxf3_i387().
11096
11097 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
11098
11099         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
11100         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
11101         get_loop_exit_edges.  Changed return type to bool.
11102         * cfgloop.h (fix_loop_placement): Declaration removed.
11103
11104 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
11105
11106         * param.h (MIN_VECT_LOOP_BOUND): New.
11107         * params.def (MIN_VECT_LOOP_BOUND): New.
11108         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
11109         argument - minimum threshold for number of iterations.
11110         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
11111         argument to declaration.
11112         * tree-vect-analyze.c (vect_analyze_operations): Check value of
11113         MIN_VECT_LOOP_BOUND.
11114         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
11115         slpeel_tree_peel_loop_to_edge with additional argument.
11116         (vect_do_peeling_for_alignment): Likewise.
11117         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
11118
11119 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
11120
11121         PR target/30413
11122         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
11123         operands of size 1.
11124
11125 2007-01-14  Jan Hubicka  <jh@suse.cz>
11126
11127         * tree-dfa.c (remove_referenced_var): New function.
11128         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
11129         prune referenced vars list too.
11130         * tree-flow.h (remove_referenced_var): Declare.
11131
11132 2007-01-14  Jan Hubicka  <jh@suse.cz>
11133
11134         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
11135         separately.
11136         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
11137         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
11138         * except.h (verify_eh_throw_table_statements): Kill prototype.
11139         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
11140         into call exrepssions.
11141         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
11142         eh trhow verifier.
11143         * tree-cfg.c: Include pointer-set.h.
11144         (verify_node_sharing): Work on pointer set.
11145         (verify_eh_throw_stmt_node): New.
11146         (verify_stmts): Use pointers sets, verify throw_stmt.
11147
11148 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
11149
11150         * ipa-reference.c (analyze_function): Consider also addresses taken
11151         in phi nodes.
11152
11153 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11154
11155         * c-typeck.c (null_pointer_constant_p): Replace use of
11156         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11157         (build_c_cast): Likewise.
11158
11159 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11160
11161         * tree.h (force_fit_type_double): Remove unused final argument.
11162         * c-common.c (constant_expression_warning): Replace use of
11163         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11164         (convert_and_check): Likewise.
11165         (shorten_compare): Update call to force_fit_type_double.
11166         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
11167         * convert.c (convert_to_pointer): Update call to
11168         force_fit_type_double.
11169         * fold-const.c (force_fit_type_double): Remove overflowed_const
11170         argument.
11171         (int_const_binop, fold_convert_const_int_from_int,
11172         fold_convert_const_int_from_real, fold_div_compare,
11173         fold_sign_changed_comparison, fold_unary, fold_negate_const,
11174         fold_abs_const, fold_not_const): Remove the final argument from
11175         calls to force_fit_type_double.
11176
11177 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11178
11179         * configure.ac: Set insn to "nop" for spu-*-* also.
11180         * configure: Regenerate.
11181
11182 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
11183
11184         * builtins.def : Add BUILT_IN_FREE.
11185
11186 2007-01-12  Jan Hubicka  <jh@suse.cz>
11187
11188         PR tree-optimization/30443
11189         * tree-inline.c (tree_function_versioning): Do not optimize when
11190         cloning for inlining.
11191
11192 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
11193
11194         * doc/loop.texi: Document recording of loop exits.
11195         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
11196         (update_single_exits_after_duplication,
11197         update_single_exit_for_duplicated_loop,
11198         update_single_exit_for_duplicated_loops): Removed.
11199         (duplicate_loop_to_header_edge): Do not call
11200         update_single_exits_after_duplication and
11201         update_single_exit_for_duplicated_loops.
11202         (loop_version): Do not update single_exit information.
11203         (fix_loop_structure): Use record_loop_exits instead of
11204         mark_single_exit_loops.
11205         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
11206         the lists of loop exits.
11207         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
11208         split_edge, merge_blocks): Update the lists of loop exits.
11209         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
11210         loop_optimizer_init.
11211         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
11212         of mark_single_exit_loops.
11213         (loop_optimizer_finalize): Call release_recorded_exits.
11214         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
11215         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
11216         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
11217         update single exit information.
11218         * lambda-code.c (perfect_nestify): Ditto.
11219         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
11220         (mark_single_exit_loops): Removed.
11221         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
11222         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
11223         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
11224         functions.
11225         (get_loop_exit_edges, single_exit): Use recorded exit lists.
11226         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
11227         (verify_loop_structure): Verify consistency of the exit lists.
11228         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
11229         (set_single_exit): Removed.
11230         * cfgloop.h (struct loop_exit): New function.
11231         (struct loop): single_exit_ field replaced by exits field.
11232         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
11233         (struct loops): Added exits hash.
11234         (mark_single_exit_loops, set_single_exit): Declaration removed.
11235         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
11236
11237 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11238
11239         * doc/invoke.texi: Avoid use of @headitem.
11240
11241 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11242
11243         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
11244
11245 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11246
11247         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
11248         list of targets.
11249
11250 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11251             Richard Sandiford  <richard@codesourcery.com>
11252
11253         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
11254         * config/m68k/m68k.opt: Resort options.
11255         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
11256
11257 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11258             Richard Sandiford  <richard@codesourcery.com>
11259
11260         * doc/invoke.texi: Document the macros that are defined by
11261         m68k's -mtune and -mhard-float options.
11262         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
11263         (m68k_cpp_cpu_family): Likewise.
11264         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
11265         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
11266         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
11267         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
11268         (m68k_cpp_cpu_family): Likewise.
11269
11270 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11271
11272         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
11273         macros besides mc68000 as tuning macros.  Use a switch statement
11274         to set them and mcpu32.
11275
11276 2007-01-12  Julian Brown  <julian@codesourcery.com>
11277
11278         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
11279         (TARGET_68040_ONLY): Rename to...
11280         (TARGET_68040): ...this.
11281         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
11282         * config/m68k/m68k.md: Likewise.
11283
11284 2007-01-12  Julian Brown  <julian@codesourcery.com>
11285             Nathan Sidwell  <nathan@codesourcery.com>
11286             Richard Sandiford  <richard@codesourcery.com>
11287
11288         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
11289         the -mcpu= argument associated with the --with-cpu setting.
11290         Define M68K_DEFAULT_TUNE to the default -mtune= option,
11291         if different from the one implied by the -mcpu setting.
11292         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
11293         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
11294         * doc/invoke.texi: Mention ColdFire in the introduction to the
11295         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
11296         -mno-div and -mhard-float options.  Make -m68881 a synonym for
11297         -mhard-float.  Document the previously-undocumented -m5206e,
11298         -m528x, -m5307 and -m5407 options.  Tweak the existing option
11299         documentation for consistency.
11300         * doc/install.texi: Mention new --with-cpu arguments.
11301         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
11302         default CPU if neither -mcpu nor -march are specified.
11303         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
11304         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
11305         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
11306         using m68k_tune to decide between families that implement the
11307         same ISA.  Use m68k_tune to set __mcfv4e__.
11308         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
11309         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11310         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11311         (FL_ISA_C, FL_ISA_MMU): New macros.
11312         (MASK_COLDFIRE): Delete.
11313         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11314         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11315         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11316         (TARGET_HARD_FLOAT): Do not define here.
11317         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11318         (TUNE_68000): New macro.
11319         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11320         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11321         (TUNE_CFV2): Redefine in terms of m68k_tune.
11322         (uarch_type, target_device, fpu_type): New enums.
11323         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11324         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11325         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11326         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11327         (FL_FOR_isa_c): New macros.
11328         (m68k_isa): New enum.
11329         (m68k_target_selection): New structure.
11330         (all_devices, all_isas, all_microarchs): New tables.
11331         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11332         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11333         (MASK_ALL_CPU_BITS): Delete.
11334         (m68k_find_selection): New function.
11335         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11336         Map the legacy target options to a combination of the new ones.
11337         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11338         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
11339         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11340         settings.
11341         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11342         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11343         properties.
11344         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11345         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11346         * config/m68k/m68k-devices.def: New file.
11347
11348 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11349             Nathan Sidwell  <nathan@codesourcery.com>
11350
11351         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
11352         (SUBTARGET_EXTRA_SPECS): New macros.
11353         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
11354         use %(asm_cpu_spec) instead.
11355         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
11356         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
11357         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
11358         (EXTRA_SPECS): Rename to...
11359         (SUBTARGET_EXTRA_SPECS): ...this.
11360
11361 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11362             Richard Sandiford  <richard@codesourcery.com>
11363             Julian Brown  <julian@codesourcery.com>
11364
11365         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11366         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
11367         to the configuration's default CPU.
11368         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
11369         Remove default masks.
11370         (m680[012]0-*-*): Set the default with_cpu to the first part of
11371         the target name.
11372         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
11373         (m68k*-*-linux): Extend the --with-cpu handling to...
11374         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
11375         and m68010.  Don't set target_cpu_default2.
11376         * doc/install.texi: Document --with-cpu for m68k.
11377         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
11378         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
11379         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
11380         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
11381         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
11382         (ASM_SPEC): Remove use of %(asm_cpu_default).
11383         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
11384         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
11385         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
11386         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11387         __HAVE_FPU__ if TARGET_HARD_FLOAT.
11388         (TARGET_DEFAULT): Delete.
11389         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11390         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11391         (CPP_CPU_SPEC): Delete.
11392         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11393         the appropriate string.
11394         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11395         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11396         (ASM_SPEC): Don't use %(asm_default_spec).
11397         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11398         TARGET_DEFAULT and add MASK_68881.
11399         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
11400
11401 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11402
11403         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
11404         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
11405         MASK_68010 alongside MASK_68020.
11406         * doc/invoke.texi: Document -m68010.
11407         * config/m68k/m68k.opt (m68010): New.
11408         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
11409         if TUNE_68010.
11410         (TUNE_68010): New macro.
11411         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
11412         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
11413         (M68K_CPU_m68332): Add MASK_68010.
11414         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
11415         fallback definition.
11416         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
11417         defines.
11418         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
11419         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
11420         to all entries that use MASK_68020.
11421         (output_move_simode_const, output_move_himode, output_move_qimode)
11422         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
11423         instead of TARGET_68020 to select clr behavior.  Remove comment
11424         about there being no TARGET_68010.
11425         * config/m68k/m68k.md: Likewise throughout.
11426
11427 2007-01-12  Julian Brown  <julian@codesourcery.com>
11428
11429         * config/m68k/m68k.h (TARGET_ISAB): New macro.
11430         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
11431         * config/m68k/m68k.md: Likewise.
11432
11433 2007-01-12  Julian Brown  <julian@codesourcery.com>
11434
11435         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
11436         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
11437
11438 2007-01-12  Julian Brown  <julian@codesourcery.com>
11439
11440         * config/m68k/m68k.h (TUNE_68040_60): New macro.
11441         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
11442         * config/m68k/m68k.md: Likewise.
11443
11444 2007-01-12  Julian Brown  <julian@codesourcery.com>
11445             Richard Sandiford  <richard@codesourcery.com>
11446
11447         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
11448         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
11449         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
11450         TARGET_CPU32.
11451         (TARGET_CPU32): Rename to...
11452         (TUNE_CPU32): ...this.
11453         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
11454         (TUNE_CFV2): New macros.
11455         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
11456         remove conditions that are implied by TARGET_68020.
11457         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
11458         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
11459         (m68k_output_function_epilogue): Likewise.
11460         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
11461         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
11462         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
11463         non-68000 timings.  Refactor multiplication and division costs.
11464         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
11465         TUNE_CPU32 instead of TARGET_CPU32.
11466         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
11467         and TUNE_68060 instead of TARGET_68060.
11468         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
11469         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
11470         TARGET_CPU32.
11471         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
11472         && !TARGET_COLDFIRE" to choose between moveq and clr.
11473         Likewise in the unnamed movsf pattern.
11474         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
11475         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
11476         ashiftrt pattern.
11477
11478 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11479
11480         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
11481         of tabbing before backslashes.
11482
11483 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11484
11485         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
11486         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
11487         (ASM_OUTPUT_INTERNAL_LABEL): Define.
11488
11489 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11490
11491         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
11492         find_interesting_uses_cond.
11493         (find_interesting_uses_cond): Use extract_cond_operands.
11494         (rewrite_use_compare): Use extract_cond_operands and
11495         force_gimple_operand_bsi.  Do not call update_stmt.
11496         (determine_use_iv_cost_condition): Use extract_cond_operands.
11497         Return cheaper of using original bound and changing the exit bound.
11498
11499 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11500
11501         PR tree-optimization/29516
11502         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
11503         most_expensive_mult_to_index, addr_to_parts,
11504         create_mem_ref, maybe_fold_tmr): Make the type of
11505         fields of TARGET_MEM_REF sizetype.
11506         (move_fixed_address_to_symbol, move_pointer_to_base):
11507         New functions.
11508         * tree.def (TARGET_MEM_REF): Add comment on types of
11509         the operands.
11510
11511 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
11512
11513         * c-common.c (vector_types_convertible_p): Treat opaque types as
11514         always convertible if they have the same size, but not otherwise.
11515
11516 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
11517
11518         * ifcvt.c (struct noce_if_info): Add comments to the fields.
11519         Remove the b_unconditional field.
11520         (noce_try_sign_mask): Do not look at b_unconditional.
11521         (noce_process_if_block): Do not use merge_if_blocks.  Update
11522         the CFG here.  Do not set b_unconditional.
11523         (cond_move_process_if_block): Likewise.
11524         (find_cond_trap): Likewise.
11525         (check_cond_move_block): Require simple jump insns at the end
11526         of the basic block.
11527
11528 2007-01-11  Jan Hubicka  <jh@suse.cz>
11529
11530         PR tree-optimization/1046
11531         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
11532         when alias info is not ready.
11533         (pass_tail_recursion): Do not require aliasing.
11534         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
11535         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
11536         * tree-ssa-copy.c (pass_copy_prop): Likewise.
11537         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11538         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
11539         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
11540         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
11541         before inlining.
11542         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
11543         When aliasing is not build, mark statement as volatile.
11544
11545 2007-01-11  Tom Tromey  <tromey@redhat.com>
11546
11547         PR preprocessor/15185, PR preprocessor/20989:
11548         * doc/cppopts.texi <-MT>: Update description of algorithm for
11549         computing default target.
11550         <-M, -MD>: Reword "basename" text.
11551
11552 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11553
11554         * builtins.c (expand_builtin_pow, expand_builtin_powi,
11555         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11556         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11557         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11558         fold_builtin_bswap, real_constp, fold_builtin_pow,
11559         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11560         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11561         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11562         * convert.c (convert_to_pointer): Likewise.
11563         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11564         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11565         const_binop, fold_convert_const_int_from_int,
11566         fold_convert_const_int_from_real,
11567         fold_convert_const_real_from_real, sign_bit_p,
11568         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11569         fold_sign_changed_comparison, fold_unary, fold_comparison,
11570         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11571         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11572         * print-tree.c (print_node_brief, print_node): Likewise.
11573         * stor-layout.c (place_field, layout_type): Likewise.
11574         * tree-chrec.c (keep_cast): Likewise.
11575         * tree.c (build_vector, build_real, build_real_from_int_cst,
11576         build_complex): Likewise.
11577
11578 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11579
11580         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
11581         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11582
11583 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
11584
11585         * configure.ac (strict1_warn): Rename to strict_warn.
11586         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11587         cc_set_by_configure, quoted_cc_set_by_configure,
11588         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11589         all_boot_languages, all_stagestuff): Remove.
11590         (target_list): Remove bootstrap targets.
11591         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11592         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11593         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11594         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11595         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11596         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11597         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11598         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11599         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11600         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11601         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11602         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11603         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11604         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11605         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11606         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11607         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11608         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11609         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11610         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11611         (mostlyclean): Adjust.
11612         (clean, distclean): Don't mention bootstrap stuff.
11613         * configure: Regenerate.
11614         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11615         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11616         treelang/config-lang.in (stagestuff): Remove.
11617         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11618         stageprofile, stagefeedback, stagestuff): Remove mention.
11619
11620 2007-01-11  Nick Clifton  <nickc@redhat.com>
11621
11622         * config/mcore/predicates.md (mcore_general_movesrc_operand):
11623         Accept CONSTs.
11624         (mcore_general_movdst_operand): Do not accept CONST_INTs.
11625         (mcore_arith_K_S_operand): Run the test for the S constraint not
11626         the test for the M constraint.
11627         (mcore_addsub_operand): Do not accept integer values that are
11628         larger than 32 bits.
11629         * config/mcore/mcore.md: Remove unused constraints from split.
11630         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11631         (addsi3): Likewise.
11632         (allocate_stack): Likewise.
11633         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
11634         operands to 32 bits.
11635         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
11636         INTVAL.
11637         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
11638         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
11639         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
11640         mcore_output_bclri, mcore_output_andn, output_inline_const,
11641         mcore_output_move, mcore_output_movedouble): Likewise.
11642         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
11643         (output_inline_const): Likewise.
11644         (output_inline_const): Fix format strings used in sprintf
11645         statements.
11646         * config/mcore/mcore-protos.h: Update prototypes for changed
11647         functions in mcore.c.
11648         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
11649         HOST_WIDE_INT and not int.
11650         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
11651         CONST_OK_FOR_N): Likewise.
11652         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
11653         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
11654         an INTVAL.
11655
11656 2007-01-10  Jan Hubicka  <jh@suse.cz>
11657
11658         * tree-vrp.c (remove_range_assertions): Release defs.
11659         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
11660         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
11661
11662 2007-01-10  Paul Brook  <paul@codesourcery.com>
11663
11664         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
11665         * config/arm/arm.md (mulsi3subsi): New insn.
11666
11667 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
11668
11669         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
11670         (tree_transform_and_unroll_loop): New.
11671         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
11672         Declare.
11673
11674 2007-01-10  Robert Kennedy <jimbob@google.com>
11675
11676         * fold-const.c (fold_comparison): Fold comparisons like (x *
11677         1000 < 0) to (x < 0).
11678
11679 2007-01-10  Ian Lance Taylor  <iant@google.com>
11680
11681         * tree-pretty-print.c (dump_generic_node): Print parentheses when
11682         operands have the same priority.
11683
11684 2007-01-10  Tom Tromey  <tromey@redhat.com>
11685
11686         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
11687         (fold_binary): Likewise.
11688         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
11689         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
11690         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
11691         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
11692         * langhooks.h (struct lang_hooks): Removed field
11693         'can_use_bit_fields_p'.
11694
11695 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
11696
11697         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
11698
11699 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
11700
11701         * function.c (get_last_funcdef_no): New function.
11702         * function.h (get_last_funcdef_no): Declare.
11703         * tree-inline.c (initialize_cfun): Add initialization.
11704         (tree_function_versioning): Cleanup.
11705
11706 2007-01-10  Jan Hubicka  <jh@suse.cz>
11707
11708         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
11709         PHIs.
11710
11711 2007-01-10  Sa Liu  <saliu@de.ibm.com>
11712             Ben Elliston  <bje@au.ibm.com>
11713
11714         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
11715         for SAVE_NONLOCAL and Pmode for any other save level.
11716         * spu-protos.h (spu_restore_stack_block): Declare.
11717         * spu.md (save_stack_block): Remove.
11718         (restore_stack_block): Call spu_restore_stack_block.
11719         * spu.c (spu_restore_stack_block): New function.
11720         (spu_expand_epilogue): Remove old comment.
11721
11722 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
11723
11724         PR tree-optimization/30322
11725         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
11726         (cand_value_at): Return the value as aff_tree.
11727         (may_eliminate_iv): Convert the bound from aff_tree to tree.
11728         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
11729         aff_combination_mult): New functions.
11730         (aff_combination_add): Use aff_combination_add_cst.
11731         (aff_combination_convert): Allow conversions to a wider type.
11732         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
11733         * tree-affine.h (aff_combination_mult): Declare.
11734
11735 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
11736
11737         * doc/tm.texi: Update documentation to reflect reality of exec
11738         and start file search behaviours. Update copyright year.
11739         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
11740         header file directories.
11741
11742 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
11743
11744         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
11745         (*cosxf2): Rename to cosxf2_i387.
11746         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
11747         using X87MODEF12 mode macro. Rename patterns to
11748         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
11749         for SSE math.
11750         (*cosdf2, *cossf2): Ditto.
11751         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
11752         to match extended input operands.
11753         (sincos<mode>3): New expander.
11754         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
11755         insn patterns and corresponding splitters.
11756
11757 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
11758
11759         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
11760         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
11761
11762 2007-01-09  Nicolas Pitre  <nico@cam.org>
11763
11764         PR target/30173
11765         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
11766
11767 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11768
11769         * target.h (struct gcc_target): New field library_rtti_comdat.
11770         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
11771         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
11772         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
11773         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
11774
11775 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11776
11777         * doc/invoke.texi (Optimize Options): Correct description of -O0.
11778
11779 2007-01-08  Richard Guenther  <rguenther@suse.de>
11780
11781         * tree.h (force_fit_type_double): Export.
11782         (force_fit_type): Remove.
11783         * fold-const.c (force_fit_type_double): New function.
11784         (force_fit_type): Remove.
11785         (int_const_binop): Use it.
11786         (fold_convert_const_int_from_int): Likewise.
11787         (fold_convert_const_int_from_real): Likewise.
11788         (fold_div_compare): Likewise.
11789         (fold_sign_changed_comparison): Likewise.
11790         (fold_unary): Likewise.
11791         (fold_negate_const): Likewise.
11792         (fold_abs_const): Likewise.
11793         (fold_not_const): Likewise.
11794         * c-common.c (shorten_compare): Use force_fit_type_double.
11795         * convert.c (convert_to_pointer): Likewise.
11796
11797 2007-01-08  Richard Guenther  <rguenther@suse.de>
11798
11799         * tree.h (build_int_cst_wide_type): Export.
11800         * tree.c (build_int_cst_wide_type): New function.
11801         (build_int_cst_wide): Fix comment.
11802         * builtins.c (fold_builtin_object_size): Use build_int_cst
11803         to build -1 or 0 of the correct type.  Use fit_double_type
11804         to check for overflow.
11805         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
11806         to build the mask.
11807         (decode_field_reference): Likewise.
11808         (all_ones_mask_p): Likewise.
11809         (native_interpret_int): Use build_int_cst_wide_type.
11810         (fold_binary): Use build_int_cst_type to build an all-ones
11811         value.
11812         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
11813
11814 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
11815
11816         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
11817
11818 2007-01-09  Ben Elliston  <bje@au.ibm.com>
11819
11820         * genautomata.c (STATS_OPTION): New option.
11821         (stats_flag): New flag.
11822         (gen_automata_option): Handle it.
11823         (initiate_automaton_gen): Ditto.
11824         (write_automata): Output statistics only if stats_flag is
11825         set. Likewise, output time statistics only if time_flag is set.
11826         * doc/md.texi (Processor pipeline description): Document new flag.
11827
11828 2007-01-08  Richard Guenther  <rguenther@suse.de>
11829
11830         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
11831         * tree.c (build_int_cst_type): Likewise.
11832         (size_in_bytes): Don't call force_fit_type on the result.
11833         (int_fits_type_p): Use fit_double_type.
11834         * fold-const.c (fit_double_type): New function.
11835         (force_fit_type): Use it.
11836         * tree.h (fit_double_type): Export.
11837
11838 2007-01-08  Jan Hubicka  <jh@suse.cz>
11839
11840         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
11841         * ipa.c (function_and_variable_visibility): Fix return type.
11842
11843 2007-01-08  Richard Guenther  <rguenther@suse.de>
11844
11845         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
11846         of offset to build the index.
11847         * tree-pretty-print.c (dump_generic_node): Don't build negated
11848         const just for printing.
11849         * c-pretty-print.c (pp_c_integer_constant): Likewise.
11850         * builtins.c (fold_builtin_int_roundingfn): Check if result
11851         fits the type by using force_fit_type and comparing the result.
11852         * predict.c (predict_loops): Use compare_tree_int for comparison.
11853         * tree.c (build_int_cst): Fall back to integer_type_node for
11854         NULL_TREE type.
11855         (build_int_cst_wide): Assert type is non-null.
11856
11857 2007-01-08  Roberto Costa  <roberto.costa@st.com>
11858
11859         * tree-vrp.c (extract_range_from_cond_expr): New.
11860         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
11861         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
11862         as expressions.
11863         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
11864         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
11865         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
11866         used as expressions.
11867         * tree-object-size.c (cond_expr_object_size): New.
11868         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
11869
11870 2007-01-08  Jan Hubicka  <jh@suse.cz>
11871
11872         * tree-ssa-forwprop.c (forward_propagate_into_cond,
11873         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
11874         statement.
11875
11876 2007-01-08  Richard Guenther  <rguenther@suse.de>
11877
11878         PR tree-optimization/23603
11879         * tree-vrp.c (set_value_range_to_truthvalue): New function.
11880         (extract_range_from_binary): Fall back to truthvalue instead of
11881         varying for TRUTH_*_EXPR.
11882         (extract_range_from_comparison): Fall back to truthvalue instead of
11883         varying.
11884         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
11885         if all visited PHI values were constant.
11886
11887 2007-01-08  Jan Hubicka  <jh@suse.cz>
11888
11889         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
11890         (cgraph_analyze_function): break out from ...
11891         (cgraph_finalize_compilation_unit): ... here.
11892         (cgraph_expand_function): Remove forgoten commented out line.
11893         (cgraph_optimize): Analyze functions.
11894
11895 2007-01-08  Jan Hubicka  <jh@suse.cz>
11896
11897         * tree-pas.h (TODO_remove_function): New flag.
11898         (TODO_update*): Renumber.
11899         (pass_ipa_increase_alignment,
11900         pass_ipa_function_and_variable_visibility): New passes.
11901         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
11902         (cgraph_function_and_variable_visibility): Move to ipa.c
11903         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
11904         cgraph_increase_alignment.
11905         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
11906         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
11907         calling tree-inline.
11908         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
11909         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
11910         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
11911         (gate_increase_alignment): New function.
11912         (pass_ipa_increase_alignment): New pass.
11913         * ipa.c: Inline tree-pass.h and timevar.h
11914         (function_and_variable_visibility): Move here from cgraphunit.c
11915         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
11916         * passes.c (init_optimization_passes): Add the two new passes.
11917         (execute_todo): Handle cgraph_remove_functions.
11918
11919 2007-01-08  Nick Clifton  <nickc@redhat.com>
11920
11921         * config/frv/predicates.md (reg_or_0_operand): Accept
11922         CONST_DOUBLEs.
11923
11924 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
11925
11926         * config/bfin/rtems.h, config/bfin/t-rtems: New.
11927         * config.gcc: Add bfin*-rtems*.
11928
11929 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11930
11931         * c.opt: Add -flax-vector-conversions.
11932         * c-typeck.c (convert_for_assignment): Pass flag to
11933         vector_types_convertible_p to allow emission of note.
11934         (digest_init): Likewise.
11935         * c-opts.c: Handle -flax-vector-conversions.
11936         * c-common.c (flag_lax_vector_conversions): New.
11937         (vector_types_convertible_p): Unless -flax-vector conversions
11938         has been passed, disallow conversions between vectors with
11939         differing numbers of subparts and/or element types.  If such
11940         a conversion is disallowed, possibly emit a note on the first
11941         occasion only to inform the user of -flax-vector-conversions.
11942         The new last argument specifies this.
11943         * c-common.h (flag_lax_vector_conversions): New.
11944         (vector_types_convertible_p): Add extra argument.
11945         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
11946         char_type_node for V*QI type vectors.
11947         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
11948         Update to satisfy new typechecking rules.
11949         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
11950         C and C++ variants.
11951         * doc/invoke.texi (C Dialect Options): Document
11952         -flax-vector-conversions.
11953
11954 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11955
11956         PR tree-optimization/29877
11957         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
11958         a register variable on the RHS to not be replaceable.
11959
11960 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
11961         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
11962         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
11963         const_simm15, const_pow2, const_npow2): Added.
11964         * config/score/misc.md (insv, extv, extzv, movmemsi,
11965         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
11966         * config/score/score.c (score_address_cost, score_select_cc_mode):
11967         Added.
11968         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
11969         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
11970         Update score_print_operand.
11971         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
11972         Adjust register allocate order and update some macro define.
11973         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
11974         mdx_block_move_straight, mdx_block_move_loop_head,
11975         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
11976         mdx_block_move): Added.
11977         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
11978         mdp_limm): Updated and fix some bug and typo.
11979         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
11980         (movsf, movdf, doloop_end): Added.
11981
11982 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
11983
11984         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
11985         config/arm/thumb2.md: Fix comment typos.
11986         * doc/extend.texi: Fix a typo.
11987
11988 2007-01-07  Eric Christopher  <echristo@apple.com>
11989
11990         * configure.ac: Check for __stack_chk_fail for darwin.
11991         * configure: Regenerate.
11992
11993 2007-01-07  Richard Guenther  <rguenther@suse.de>
11994
11995         * tree-vrp.c (extract_range_from_assert): CSE calls to
11996         compare_values where possible.
11997         (extract_range_from_unary_expr): Likewise.
11998
11999 2007-01-07  Anatoly Sokolov <aesok@post.ru>
12000
12001         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
12002         * config/avr/avr.c (call_insn_operand): Delete function.
12003         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
12004         instead of register number. Use predicates.
12005         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
12006         call_insn_operand): Add.
12007
12008 2007-01-06  Jan Hubicka  <jh@suse.cz>
12009
12010         * tree-pass.h (pass_build_cgraph_edges): Declare.
12011         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
12012         (visited_nodes): Remove.
12013         (cgraph_create_edges): Move to cgraphbuild.c; rename to
12014         build_cgrpah_edges; make visited_nodes local.
12015         (cgraph_process_new_functions): DO not call initialize_inline_failed.
12016         (record_references_in_initializer): Move to cgraphbuild.c
12017         (initialize_inline_failed, rebuild_cgraph_edges,
12018         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
12019         (verify_cgraph_node): Make visited_nodes local.
12020         (cgraph_analyze_function): Do not call cgraph_create_edges and
12021         initialize_inline_failed.
12022         (cgraph_expand_function): Do not call cgraph_lower_function;
12023         assert that function is already lowered.
12024         * Makefile.in (cgraphbuild.o): New.
12025         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
12026         at the end of lowering passes.
12027
12028 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
12029
12030         * ifcvt.c (cond_move_convert_if_block): New function, code
12031         factored out from...
12032         (cond_move_process_if_block): ...here.  Call the new function
12033         on the THEN and ELSE blocks.
12034         (merge_if_block): Do not copy global_live_at_end, merge_blocks
12035         already takes care of this.
12036
12037 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12038
12039         PR c/19978
12040         * tree.h (TREE_OVERFLOW_P): New.
12041         * c-typeck.c (parser_build_unary_op): Warn only if result
12042         overflowed and operands did not.
12043         (parser_build_binary_op): Likewise.
12044         (convert_for_assignment): Remove redundant overflow_warning.
12045         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
12046
12047 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12048
12049         * c-typeck.c (store_init_value): Split over two lines to follow
12050         the GNU coding style.
12051
12052 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
12053
12054         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
12055         __GXX_EXPERIMENTAL_CXX0X__.
12056         * doc/cpp.texi: Same.
12057
12058 2007-01-05  Richard Guenther  <rguenther@suse.de>
12059
12060         PR middle-end/27826
12061         * tree.c (get_narrower): Do not construct COMPONENT_REFs
12062         with mismatched types.  Instead explicitly build a
12063         conversion NOP_EXPR.
12064
12065 2007-01-05  Ian Lance Taylor  <iant@google.com>
12066
12067         * c-common.c (decl_with_nonnull_addr_p): New function.
12068         (c_common_truthvalue_conversion): Call it.
12069         * c-typeck.c (build_binary_op): Likewise.
12070         * c-common.h (decl_with_nonnull_addr_p): Declare.
12071
12072 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
12073
12074         PR c/30360
12075         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
12076         denom against 0.0.
12077
12078 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
12079
12080         * doc/install.texi (Final install): Document the fact that
12081         the GNAT runtime should not be stripped.
12082
12083 2007-01-04  Jan Hubicka  <jh@suse.cz>
12084
12085         * tree-inline.c (fold_marked_statements): Update operand caches
12086         and EH after folding
12087
12088 2007-01-04  Ian Lance Taylor  <iant@google.com>
12089
12090         * c-common.c (check_function_nonnull): Whitespace fix.
12091
12092 2007-01-04  Jan Hubicka  <jh@suse.cz>
12093
12094         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
12095         comitted older version of patch.
12096         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
12097         function, celanup cfg and collect garbage.
12098
12099 2007-01-04  Mike Stump  <mrs@apple.com>
12100
12101         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
12102         (clean): Likewise.
12103
12104 2007-01-04  Eric Christopher  <echristo@apple.com>
12105
12106         * libgcc2.c (__bswapsi2): Use SItype.
12107         (__bswapdi2): Use DItype.
12108         * libgcc2.h: Update for above.
12109
12110 2007-01-04  Paul Brook  <paul@codesourcery.com>
12111
12112         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
12113         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
12114         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
12115         umulsidi3, umulsidi3adddi, smulsi3_highpart,
12116         umulsi3_highpart): Make conditional on !arm_arch6.
12117         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
12118         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
12119         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
12120         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
12121         umulsi3_highpart_v6): New insns.
12122
12123 2007-01-04  Roger Sayle  <roger@eyesopen.com>
12124
12125         * fold-const.c (fold_convert): When casting an expression to void,
12126         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
12127         have a type.  Instead of attempting to build a NOP_EXPR, return
12128         these "special" trees directly.
12129
12130 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
12131
12132         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
12133         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
12134         rs6000_cost->fp not 0 as adjustment for outer NEG.
12135
12136 2007-01-04  Jan Hubicka  <jh@suse.cz>
12137
12138         * cgraph.c (cgraph_release_function_body): New function.
12139         (cgraph_remove_node): Use it.
12140         * cgraph.h (cgraph_release_function_body): Declare.
12141         * cgraphunit.c (cgraph_expand_function): Use it.
12142         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
12143         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
12144         is initialized and while compilation of other function is running.
12145         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
12146         statement CFG annotations from here to ...
12147         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
12148
12149 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
12150
12151         * cfgloop.h (enum li_flags): Make the constants powers of two.
12152
12153 2007-01-04  Jan Hubicka  <jh@suse.cz>
12154
12155         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
12156         set.
12157         (fold_marked_statements): New function.
12158         (optimize_inline_calls, tree_function_versioning): Fold new statements.
12159         * tree-inline.h (copy_body_data): Add statements_to_fold.
12160
12161 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
12162
12163         * config.gcc: Mention libgcc/config.host.
12164         * Makefile.in: Update comments mentioning libgcc.
12165         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
12166         (all.cross, start.encap, rest.encap, rest.cross): Update
12167         dependencies for libgcc move.
12168         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
12169         (clean-target, clean-target-libgcc): Delete.
12170         (srcdirify, GCC_EXTRA_PARTS): New macros.
12171         (libgcc-support, libgcc.mvars): New rules.
12172         (distclean): Remove mention of mklibgcc.
12173         (install): Don't reference INSTALL_LIBGCC.
12174         (install-common): Don't reference EXTRA_PARTS.
12175         (install-libgcc, install-multilib): Delete rules.
12176         * mklibgcc.in: Delete file.
12177         * doc/configfiles.texi: Don't mention mklibgcc.
12178
12179         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
12180         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
12181         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
12182         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
12183         (mklibgcc, ldblspecs): Likewise.
12184
12185         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
12186         (posixpre.def): Use $(T).
12187         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
12188         (SHLIB_SRC, SHLIB_INSTALL): Delete.
12189         (SHLIB_LINK): Make dummy.
12190         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
12191
12192         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
12193
12194         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
12195         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
12196         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
12197         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
12198
12199         * configure.ac (all_outputs): Remove mklibgcc.
12200         * configure: Regenerated.
12201
12202 2007-01-03  Josh Conner  <jconner@apple.com>
12203
12204         PR middle-end/29683
12205         * calls.c (compute_argument_addresses): Set stack and stack_slot
12206         for partial args, too.
12207         (store_one_arg): Use locate.size.constant for the size when
12208         generating a save_area.
12209
12210 2007-01-03  Robert Kennedy <jimbob@google.com>
12211
12212         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
12213         whose definitions are deleted due to basic block merging.
12214
12215 2007-01-03  Paul Brook  <paul@codesourcery.com>
12216
12217         PR target/16634
12218         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
12219         functions.
12220         (use_return_insn): Return 0 for Thumb interrupt functions.
12221         (print_multi_reg): Add rfe argument for IRQ returns.
12222         (arm_output_epilogue): Pop interrupt return address directly into PC.
12223         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
12224
12225 2007-01-03  Paul Brook  <paul@codesourcery.com>
12226
12227         Merge from sourcerygxx-4_1.
12228         * config/arm/thumb2.md: New file.
12229         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
12230         Thumb-2.
12231         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
12232         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12233         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
12234         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
12235         tables.
12236         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12237         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
12238         comptibility.
12239         * config/arm/ieee754-sf.S: Ditto.
12240         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
12241         (thumb1_base_register_rtx_p): ... to this.
12242         (thumb_index_register_rtx_p): Rename...
12243         (thumb1_index_register_rtx_p): ... to this.
12244         (thumb_output_function_prologue): Rename...
12245         (thumb1_output_function_prologue): ... to this.
12246         (thumb_legitimate_address_p): Rename...
12247         (thumb1_legitimate_address_p): ... to this.
12248         (thumb_rtx_costs): Rename...
12249         (thumb1_rtx_costs): ... to this.
12250         (thumb_compute_save_reg_mask): Rename...
12251         (thumb1_compute_save_reg_mask): ... to this.
12252         (thumb_final_prescan_insn): Rename...
12253         (thumb1_final_prescan_insn): ... to this.
12254         (thumb_expand_epilogue): Rename...
12255         (thumb1_expand_epilogue): ... to this.
12256         (arm_unwind_emit_stm): Rename...
12257         (arm_unwind_emit_sequence): ... to this.
12258         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
12259         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
12260         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
12261         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
12262         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
12263         thumb2_output_casesi): New functions.
12264         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
12265         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
12266         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
12267         THUMB2_WORK_REGS): Define.
12268         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
12269         arm_condexec_mask, arm_condexec_masklen)): New variables.
12270         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
12271         (arm_override_options): Check new CPU capabilities.
12272         Set new architecture flag variables.
12273         (arm_isr_value): Handle v7m interrupt functions.
12274         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
12275         Thumb-2.
12276         (const_ok_for_arm): Handle Thumb-2 constants.
12277         (arm_gen_constant): Ditto.  Use movw when available.
12278         (arm_function_ok_for_sibcall): Return false for v7m interrupt
12279         functions.
12280         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
12281         (thumb_find_work_register, arm_load_pic_register,
12282         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
12283         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
12284         print_multi_reg, output_mov_long_double_fpa_from_arm,
12285         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
12286         output_mov_double_fpa_from_arm, output_move_double,
12287         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
12288         output_return_instruction, arm_output_function_prologue,
12289         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
12290         arm_output_mi_thunk, thumb_set_return_address): Ditto.
12291         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
12292         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
12293         (arithmetic_instr, shift_op): Use arm_shift_nmem.
12294         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
12295         '!' and 'L'.
12296         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
12297         (thumb_expand_prologue): Use thumb_set_frame_pointer.
12298         (arm_file_start): Output directive for unified syntax.
12299         (arm_unwind_emit_set): Handle stack alignment instruction.
12300         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
12301         Add v6t2, v7, v7a, v7r and v7m.
12302         (RETLDM): Add Thumb-2 code.
12303         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
12304         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
12305         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
12306         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
12307         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
12308         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
12309         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12310         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12311         ADJUST_INSN_LENGTH): Define.
12312         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12313         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12314         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12315         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12316         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12317         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12318         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12319         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12320         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12321         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12322         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12323         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12324         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12325         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12326         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12327         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12328         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12329         cortex-m3.
12330         * config/arm/arm-tune.md: Regenerate.
12331         * config/arm/arm-protos.h: Update prototypes.
12332         * config/arm/vfp.md: Enable patterns for Thumb-2.
12333         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
12334         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12335         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12336         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12337         * config/arm/libunwind.S: Add Thumb-2 code.
12338         * config/arm/constraints.md: Update include Thumb-2.
12339         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12340         * config/arm/ieee754-df.S: Ditto.
12341         * config/arm/bpabi.S: Ditto.
12342         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12343         * config/arm/predicates.md (low_register_operand,
12344         low_reg_or_int_operand, thumb_16bit_operator): New.
12345         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12346         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12347         * config/arm/t-arm-elf: Add armv7 multilib.
12348         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12349         Include thumb2.md.
12350         (UNSPEC_STACK_ALIGN, ce_count): New.
12351         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
12352         arm_zero_extendsidi2, arm_zero_extendqidi2): New
12353         insns/expanders.
12354         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
12355         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
12356         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
12357         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
12358         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
12359         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
12360         insns.
12361         * doc/extend.texi: Document ARMv7-M interrupt functions.
12362         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
12363
12364 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
12365
12366         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
12367         (struct _Unwind_Context): Rename args_size to flags, remove
12368         signal_frame field, add a new args_size field and version field.
12369         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
12370         _Unwind_IsExtendedContext): New inline functions.
12371         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12372         Assume by_value array is only present if _Unwind_IsExtendedContext.
12373         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
12374         _Unwind_IsSignalFrame.
12375         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
12376         (uw_update_context_1): Use _Unwind_SetSignalFrame.
12377         (uw_init_context_1): Initialize context->flags to
12378         EXTENDED_CONTEXT_BIT.
12379         * config/rs6000/linux-unwind.h (frob_update_context): Use
12380         _Unwind_SetSignalFrame.
12381
12382 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12383
12384         PR middle-end/30353
12385         * gimplify.c (gimplify_modify_expr_complex_part): Move below
12386         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
12387         the value.
12388
12389 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
12390
12391         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12392         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12393         RET, AT_SP): Remove.
12394         * config/i386/i386.md (*sse_prologue_save_insn): Use return
12395         instead of RET.
12396
12397         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12398         * cfgbuild.c (find_basic_blocks): Likewise.
12399         * cfgrtl.c (rtl_create_basic_block): Likewise.
12400         * function.c (temp_slots_at_level): Likewise.
12401         * reg-stack.c (stack_regs_mentioned): Likewise.
12402         * regclass.c (allocate_reg_info): Likewise.
12403         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12404         set_bb_for_stmt, move_block_to_fn): Likewise.
12405         * tree-complex.c (tree_lower_complex): Likewise.
12406         * vec.h (VEC_safe_grow_cleared): New.
12407
12408         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
12409
12410 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
12411
12412         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
12413         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
12414         to loop_version.
12415         * cfgloopmanip.c (scale_loop_frequencies): Export.
12416         (loopify): Scale the frequencies by prescribed coefficients.
12417         (set_zero_probability): New function.
12418         (duplicate_loop_to_header_edge): Improve updating of frequencies.
12419         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
12420         and frequencies according to arguments.
12421         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
12422         correctly.
12423         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
12424         * modulo-sched.c (sms_schedule): Set probabilities for entering
12425         versioned loop correctly.
12426         * tree-vect-transform.c (vect_transform_loop): Ditto.
12427         * cfgloop.h (loopify, loop_version): Declaration changed.
12428         (scale_loop_frequencies): Declared.
12429
12430 2007-01-02  Jan Hubicka  <jh@suse.cz>
12431
12432         * cgraph.c: Include tree-flow.h
12433         (cgraph_add_new-function): Handle IPA_SSA mode; execute
12434         early_local_passes.
12435         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
12436         * tree-pass.h (pass_all_early_optimizations): Declare.
12437         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
12438         early_local_passes.
12439         (cgraph_analyze_function): Do early_local_passes.
12440         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12441         Do not add referenced vars.
12442         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
12443         SSA form.
12444         (gate_all_early_local_passes): New gate.
12445         (pass_early_local_passes): Use new gate.
12446         (execute_early_local_optimizations): New functions.
12447         (gate_all_early_optimizations): New gate.
12448         (pass_all_early_optimizations): New pass.
12449         (execute_free_datastructures): Free SSA only when initialized.
12450         (gate_init_datastructures): Init only when optimizing.
12451         (tree_lowering_passes): Do early local passes when called late.
12452         * tree-profile.c (do_tree_profiling): Don't profile functions added
12453         late.
12454         (do_early_tree_profiling, pass_early_tree_profile): Kill.
12455         * tree-cfg.c (update_modified_stmts): Do not update when operands are
12456         not active.
12457         * passes.c (init_optimizations_passes): Reorder so we go into SSA
12458         during early_local_passes.
12459         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
12460
12461
12462 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12463
12464         * Makefile.in: Update copyright year.
12465
12466 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12467
12468         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
12469         in $(lang_checks) and check-consistency targets.
12470
12471 2007-01-02  Jan Hubicka  <jh@suse.cz>
12472
12473         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12474         Do not add referenced vars.
12475         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
12476         are not active.
12477         * passes.c (init_optimization_passes): Put mudflap_2 after
12478         free_datastructures.
12479
12480 2007-01-02  Jan Hubicka  <jh@suse.cz>
12481
12482         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
12483         Set NOTHROW flag on call statements proved to be nothrow.
12484         Update statement of local calls so new pure/const functions are
12485         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
12486         goto receivers.
12487         (tree_rest_of_compilation): Register hooks and initialize bitmap
12488         early. Do not set after_inlining flag.
12489
12490 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
12491
12492         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
12493         HOST_BITS_PER_LONGLONG
12494
12495 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12496
12497         PR c/19977
12498         * c-typeck.c (store_init_value): Don't emit pedantic overflow
12499         warning for non-static initializers.
12500
12501 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
12502
12503         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
12504         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
12505         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
12506         Always use set_unique_reg_note to add REG_EQUAL notes.
12507
12508 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12509
12510         Revert:
12511         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12512
12513         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12514         * cfgbuild.c (find_basic_blocks): Likewise.
12515         * cfgrtl.c (rtl_create_basic_block): Likewise.
12516         * function.c (temp_slots_at_level): Likewise.
12517         * reg-stack.c (stack_regs_mentioned): Likewise.
12518         * regclass.c (allocate_reg_info): Likewise.
12519         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12520         set_bb_for_stmt, move_block_to_fn): Likewise.
12521         * tree-complex.c (tree_lower_complex): Likewise.
12522         * vec.h (VEC_safe_grow_cleared): New.
12523
12524 2007-01-02  Ian Lance Taylor  <iant@google.com>
12525
12526         * c-common.c (c_common_truthvalue_conversion): When warning about
12527         using an assignment as a truth value, set TREE_NO_WARNING.
12528
12529 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12530
12531         PR middle-end/7651
12532         * c.opt (Wold-style-declaration): New.
12533         * doc/invoke.texi (C-only Warning Options): New.
12534         (Wold-style-declaration): Document it.
12535         (Wextra): Enabled by -Wextra.
12536         * c-opts.c (c_common_post_options): Enabled by -Wextra.
12537         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
12538         -Wold-style-declaration.
12539
12540 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12541
12542         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12543         * cfgbuild.c (find_basic_blocks): Likewise.
12544         * cfgrtl.c (rtl_create_basic_block): Likewise.
12545         * function.c (temp_slots_at_level): Likewise.
12546         * reg-stack.c (stack_regs_mentioned): Likewise.
12547         * regclass.c (allocate_reg_info): Likewise.
12548         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12549         set_bb_for_stmt, move_block_to_fn): Likewise.
12550         * tree-complex.c (tree_lower_complex): Likewise.
12551         * vec.h (VEC_safe_grow_cleared): New.
12552
12553 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
12554
12555         * c-common.c (c_common_nodes_and_builtins): Since variants of
12556         void_type_node get built before it is given a name, we need to
12557         give those variants the name, too.
12558         (complete_array_type): We need to work with the canonical main
12559         type of the array, from which we will build the qualified version.
12560         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12561         * print-tree.c (print_node): Display canonical type information
12562         for each type.
12563         * stor-layout.c (layout_type): When we don't know the
12564         alignment of a type for which we're building an array, we end up
12565         guessing wrong, so make the type require structural equality.
12566         * tree.c (make_node_stat): When we build a new type, it is its
12567         own canonical type.
12568         (build_type_attribute_qual_variant): When building an attribute
12569         variant, its canonical type is the non-attribute variant. However,
12570         if the attributes are target-dependent and they differ, we need to
12571         use structural equality checks for this type.
12572         (build_qualified_type): A qualified type is not equivalent to its
12573         unqualified variant; set the canonical type appropriately.
12574         (build_distinct_type_copy): When building a distinct type from
12575         another type, the new type is its own canonical type.
12576         (build_variant_type_copy): When building a new type variant, we
12577         assume that it is equivalent to the original type.
12578         (build_pointer_type_for_mode): When building a pointer type, also
12579         build a canonical type pointer.
12580         (build_reference_type_for_mode): When building a reference type,
12581         also build a canonical type reference.
12582         (build_index_type): When we can't hash an index type (e.g.,
12583         because its maximum value is negative), the index type requires
12584         structural equality tests.
12585         (build_array_type): Build the canonical form of an array type.
12586         (build_function_type): Function types require structural equality,
12587         because they contain default arguments, attributes, etc.
12588         (build_method_type_directly): Ditto for method types.
12589         (build_offset_type): Build the canonical offset type.
12590         (build_complex_type): Build the canonical vector type.
12591         (make_vector_type): Build the canonical vector type.
12592         * tree.h (TYPE_CANONICAL): New.
12593         (TYPE_STRUCTURAL_EQUALITY_P): New.
12594         (SET_TYPE_STRUCTURAL_EQUALITY): New.
12595         (struct tree_type): Added "canonical" field.
12596         * params.h (VERIFY_CANONICAL_TYPES): New.
12597         * doc/c-tree.texi (TYPE_CANONICAL): Document.
12598         (TYPE_STRUCTURAL_EQUALITY_P): Document.
12599         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12600         * doc/invoke.texi (verify-canonical-types): Document --param
12601         parameter for verifying canonical types.
12602
12603 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12604
12605         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12606         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12607         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12608         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12609         tm_file.
12610         * config/rs6000/e500.h: New.
12611         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12612         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12613         Remove.
12614         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12615         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12616         TARGET_E500_DOUBLE): Remove.
12617         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12618         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12619         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12620         * config/rs6000/rs6000.c (rs6000_override_options): Use
12621         CHECK_E500_OPTIONS.
12622
12623 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12624
12625         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12626         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12627         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12628         rs6000_emit_cmove): Don't check TARGET_E500.
12629         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12630         sordered): Don't check TARGET_E500.
12631
12632 2007-01-01  Eric Christopher  <echristo@apple.com>
12633
12634         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
12635         HARD_REGISTER_NUM_P.
12636
12637 2007-01-01  Roger Sayle  <roger@eyesopen.com>
12638
12639         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
12640         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
12641         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
12642         eq/ne Y".
12643
12644 2007-01-01  Mike Stump  <mrs@apple.com>
12645
12646         * configure.ac: Remove support for building with Apple's gcc-3.1.
12647
12648 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12649
12650         PR middle-end/30311
12651         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
12652         REG is a hard register.  Do not modify REG before calling
12653         subreg_nregs.
12654         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
12655         multiple of the size of YMODE for certain lowpart cases.
12656
12657 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12658
12659         PR middle-end/30253
12660         * gimplify (voidify_wrapper_expr): Update for
12661         GIMPLE_MODIFY_STMT.
12662
12663 2007-01-01  Andreas Schwab  <schwab@suse.de>
12664
12665         PR target/29166
12666         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
12667         save of BR0 in extra_spill_size instead of spill_size.
12668         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
12669         area.
12670         (ia64_expand_epilogue): Restore BR0 from its new location.
12671
12672 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12673
12674         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
12675         Use a temporary variable if the left hand side is not a gimple
12676         register.
12677
12678 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12679
12680         * gimplify.c (gimplify_return_expr): Make the temporary variable
12681         for the return expression, a gimple register variable.
12682
12683 2007-01-01  Jan Hubicka  <jh@suse.cz>
12684
12685         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
12686         INSN_LIST.
12687
12688 2007-01-01  Mike Stump  <mrs@apple.com>
12689
12690         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
12691         .literal16.
12692         * config/darwin.c (machopic_select_rtx_section): Use
12693         HAVE_GAS_LITERAL16.
12694         (darwin_mergeable_constant_section): Likewise.
12695         * configure: Regenerate.
12696         * config.in: Regenerate.
12697
12698 2007-01-01  Jan Hubicka  <jh@suse.cz>
12699             Andrew Pinski  <pinskia@gmail.com>
12700
12701         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
12702         before starting IPA passes.