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* timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
2
3         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
4         of ASSERT_CHECKING.  Tweak message.
5
6 2007-05-06  Revital Eres  <eres@il.ibm.com>
7
8         PR 30957
9         * loop-unroll.c (insert_var_expansion_initialization):
10         Initialize the expansions with -zero instead of +zero.
11
12 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
13
14         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
15         into pic and non-pic versions. Mark r19 as used for 
16         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used 
17         for tgd_load, tld_load and tie_load .
18         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
19         version of tgd_load, tld_load and tie_load depending on the 
20         value of flag_pic.
21
22 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
23             Jakub Jelinek  <jakub@redhat.com>
24
25         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
26         (__do_global_dtors_aux): Use more paranoid loop to run
27         destructors if HIDDEN_DTOR_LIST_END.
28         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
29
30 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
31
32         * varasm.c (align_variable): Don't increase alignment for
33         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
34         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
35
36 2007-05-04  Josh Conner  <jconner@apple.com>
37
38         * basic-block.h (cdi_direction): Assign values to all enumeration
39         constants.
40         (dom_computed): Remove.
41         (dom_info_state): New.
42         (set_dom_info_availability): New.
43         * tree-ssa-loop-im.c (determine_invariantness): Initialize
44         walk_data.dom_direction.
45         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
46         instead of dom_computed[].
47         (split_edge): Likewise.
48         (create_basic_block): Likewise.
49         (merge_blocks): Likewise.
50         * ifcvt.c (find_if_header): Likewise.
51         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
52         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
53         * tree-ssa.c (verify_ssa): Likewise.
54         * tree-cfg.c (tree_verify_flow_info): Likewise.
55         (remove_edge_and_dominated_blocks): Likewise.
56         * dominance.c (dom_computed): Make static.
57         (calc_dfs_tree_nonrec): Change third param to a bool.
58         (calc_dfs_tree): Change second param to a bool.
59         (calc_idioms): Change second param to a bool.  Use
60         dom_convert_dir_to_idx.
61         (init_dom_info): Validate dir before using.
62         (dom_convert_dir_to_idx): New.
63         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
64         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
65         (free_dominance_info): Use dom_convert_dir_to_idx.
66         (get_immediate_dominator): Likewise.
67         (set_immediate_dominator): Likewise.
68         (get_dominated_by): Likewise.
69         (redirect_immediate_dominators): Likewise.
70         (nearest_common_denominator): Likewise.
71         (dominated_by_p): Likewise.
72         (bb_dom_dfs_in): Likewise.
73         (bb_dom_dfs_out): Likewise.
74         (recount_dominator): Likewise.
75         (iterate_fix_dominators): Likewise.
76         (add_to_dominance_info): Likewise.
77         (delete_from_dominance_info): Likewise.
78         (first_dom_son): Likewise.
79         (next_dom_son): Likewise.
80         (dom_info_available_p): Likewise.
81         (dom_info_state): New.
82         (set_dom_info_availability): New.
83
84 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
85
86         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
87         Expander removed.
88         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
89
90 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
91         
92         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
93         (subdi3, subdi_carry): Delete.
94         
95 2007-05-04  Jan Hubicka  <jh@suse.cz>
96             Richard Guenther  <rguenther@suse.de>
97
98         * opts.c (decode_options): Do not fiddle with inlining
99         parameters in case of optimizing for size.
100         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
101         for size do nothing.
102         (cgraph_decide_inlining_of_small_function): When optimizing for
103         size never inline functions increasing caller size.
104         (cgraph_early_inlining): Inline for size when optimizing for size.
105
106 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
107
108         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
109         logical operations piecewise.
110         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
111         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
112         subdi_sesidi_di): Delete.
113         (add_with_carry): Produce carry in CC instead of a DREG to shorten
114         the generated sequence.  Allow three-reg add in constraints.  Rewrite
115         the rtl expression for carry to avoid zero_extend of a constant.
116         (sub_with_carry): New pattern.
117         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
118         different sequence not involving jumps.
119         (notbi): Now a named pattern.
120
121 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
122
123         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
124         Add the note about a significant loss of accuracy of some
125         mathematical routines when these options are used.
126
127 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
128
129         * haifa-sched.c (rtx_vec_t): New typedef.
130         (contributes_to_priority_p): Extract piece of priority () into new
131         static function.
132         (priority): Use the function.  Add assertion.
133         (rank_for_schedule, set_priorities): Add assertion to check that
134         insn's priority is initialized.
135         (clear_priorities, calc_priorities): Change signature.  Make it update
136         all relevant insns.  Update all callers ('add_to_speculative_block ()'
137         and 'create_block_check_twin ()').
138         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
139         Add new field 'priority_status'.
140         (INSN_PRIORITY_STATUS): New macro.
141         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
142
143 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
144
145         * sched-ebb.c (debug_ebb_dependencies): New static function.
146         (init_ready_list): Use it.
147
148         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
149         with changed signature and 'debug_rgn_dependencies ()'.
150         (debug_rgn_dependencies): New static function.
151         (init_ready_list): Use it.
152         
153         * sched-int.h (debug_dependencies): Declare.
154
155 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
156
157         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
158
159 2007-05-04  Dirk Mueller  <dmueller@suse.de>
160
161         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
162
163 2007-05-03  Jan Hubicka  <jh@suse.cz>
164
165         * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
166         for pointer type in more cases than before.
167
168         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
169
170         * tree-object-size.c (plus_expr_object_size): When operand size is
171         unknown, return unknown.
172
173 2007-05-03  Dirk Mueller  <dmueller@suse.de>
174
175         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
176
177         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
178         options.
179
180         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
181
182 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
183
184         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
185
186 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
187
188         * config/soft-fp/double.h, config/soft-fp/extended.h,
189         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
190         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
191         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
192         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
193         glibc CVS.
194
195 2007-05-03  Ian Lance Taylor  <iant@google.com>
196
197         * config/rs6000/rs6000.c (rs6000_override_options): Don't se
198         MASK_PPC_GFXOPT for 8540 or 8548.
199
200 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
201
202         * tree-vect-transform.c (vect_update_inits_of_drs): Use
203         vect_print_dump_info() to output debug information.
204
205 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
206
207         PR target/31768
208         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
209         operands of size 2 when operand is not MEM_P.
210
211 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
212
213         PR tree-optimization/30565
214         * lambda-code.c (perfect_nestify): Fix updating of dominators.
215
216 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
217
218         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
219         (umulsi3_highpart): Use them.
220         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
221         for final accumulator to D regisster tranfser.
222
223 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
224
225         PR tree-optimization/31699
226         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
227         code.
228         (vect_enhance_data_refs_alignment): Compute peel amount using 
229         TYPE_VECTOR_SUBPARTS instead of vf.     
230         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
231
232 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
233
234         PR bootstrap/31776
235         * system.h: Remove inclusion of double-int.h
236         * tree.h: Include double-int.h
237         * gengtype.c: Likewise
238         * cfgloop.h: Likewise
239         * Makefile.in: Adjust dependencies on double-int.h
240
241 2007-05-02  Eric Christopher  <echristo@apple.com>
242
243         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
244         -shared to -Zdynamiclib.
245
246 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
247
248         PR c++/31663
249         * c-common.c (strip_pointer_or_array_types): New function.
250         * c-common.h (strip_pointer_or_array_types): New function declaration.
251
252 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
253
254         PR tree-optimization/31771
255         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
256
257 2007-05-02  Paul Brook  <paul@codesourcery.com>
258
259         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
260
261 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
262
263         PR middle-end/29715
264         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
265         transformation.
266
267 2007-05-02  Nick Clifton  <nickc@redhat.com>
268
269         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
270
271 2007-05-02  Richard Guenther  <rguenther@suse.de>
272
273         PR tree-optimization/31146
274         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
275         argument, single_use_p.  If we have a single use that is
276         a conversion to the definition rhs type, propagate that rhs.
277         (forward_propagate_addr_expr): Pass single_use_p argument
278         to forward_propagate_addr_expr_1.
279
280 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
281
282         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
283         variable.
284
285 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
286
287         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
288         'AMD Family 10 core'.
289
290 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
291
292         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
293         and athlon64-sse3 as improved versions of k8, opteron and athlon64
294         with SSE3 instruction set support.
295         * doc/invoke.texi: Likewise.
296
297 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
298
299         * config/i386/i386.c (override_options): Tuning 32-byte loop
300         alignment for amdfam10 architecture. Increasing the max loop
301         alignment to 24 bytes.
302
303 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
304
305         * config/m68k/constraints.md: New.
306         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
307         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
308         EXTRA_CONSTRAINT): Remove.
309         * config/m68k/m68k.md: Include constraints.md.
310         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
311
312 2007-05-01  Ian Lance Taylor  <iant@google.com>
313
314         PR tree-optimization/31739
315         * tree-vrp.c (vrp_val_is_max): New static function.
316         (vrp_val_is_min): New static function.
317         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
318         copying the node.
319         (set_value_range): Use vrp_val_is_{max,min}.
320         (extract_range_from_assert): Likewise.
321         (extract_range_from_binary_expr): Likewise.
322         (extract_range_from_unary_expr): Likewise.
323         (dump_value_range, vrp_meet): Likewise.
324         (vrp_visit_phi_node): Likewise.
325         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
326
327 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
328
329         * config/i386/gmon-sol2.c (size_t): New type.
330         (intptr_t): Likewise.
331         (s_textsize): Declare as size_t.
332         (sbrk): Declare.
333         (monstartup): Use size_t for sizes.
334         (_mcount): Save and restore registers.
335         (internal_mcount): Pass 0 as the first argument to monstartup
336         in 64-bit mode.
337         (moncontrol): Convert pointer to appropriately sized integer
338         before passing to profil.
339
340 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
341
342         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
343         __NO_FPRS__, not just if _SOFT_DOUBLE.
344         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
345         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
346         also for E500 double.
347         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
348         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
349         && !TARGET_FPRS).
350
351 2007-05-01  Richard Guenther  <rguenther@suse.de>
352
353         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
354         is NULL.
355
356 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
357
358         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
359
360 2007-05-01  Jan Hubicka  <jh@suse.cz>
361
362         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
363         invariant.
364
365 2007-05-01  Jan Hubicka  <jh@suse.cz>
366
367         * tree.h (maybe_fold_offset_to_component_ref): Remove.
368         (maybe_fold_offset_to_reference): Declare.
369         * fold-const.c (fold_unary): Do not fold
370         (type *)&A into &A->field_of_type_and_offset_0
371         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
372         size is unknown, give up.
373         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
374         offsets.
375         (maybe_fold_offset_to_reference): New.
376         (maybe_fold_stmt_indirect): Use it.
377         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
378         * gimplify.c (gimplify_conversion): Canonicalize conversions to
379         field references.
380         (gimplify_expr): Likewise for plus_expr.
381
382 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
383
384         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
385         bsi_after_labels.  Always insert statements before bsi.
386         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
387         * predict.c (apply_return_prediction): Check for empty blocks.
388         * cfgexpand.c (lab_rtx_for_bb): New variable.
389         (label_rtx_for_bb): Do not create new tree labels.
390         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
391         (tree_expand_cfg): Initialize lab_rtx_for_bb.
392         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
393         creating edges.
394         (label_for_bb): Add field used.
395         (update_eh_label, main_block_label): Mark the label used.
396         (cleanup_dead_labels): Remove unused labels.
397
398 2007-05-01  Richard Guenther  <rguenther@suse.de>
399
400         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
401         if it is not about to be set.
402         (get_value_range): Do not pre-allocate equiv bitmap.
403         (update_value_range): No need to clear equiv field.
404         (add_equivalence): Change prototype to get bitmap pointer.
405         Allocate bitmap here if it is not already.
406         (extract_range_from_assert): Do not allocate bitmap here.
407         Update callers to add_equivalence.
408         (extract_range_from_ssa_name): Likewise.
409         (get_vr_for_comparison): New static helper.
410         (compare_name_with_value): Handle NULL equiv bitmap by
411         peeling the first iteration of the comparison loop.
412         Use get_vr_for_comparison.
413         (compare_names): Handle NULL equiv bitmaps by using fake
414         ones.  Use get_vr_for_comparison.
415
416 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
417
418         * double-int.c (mpz_set_double_int): Moved from
419         tree-ssa-loop-niter.c.
420         (mpz_get_double_int): Likewise; also, add option to wrap
421         out-of-range integers.
422         * double-int.h: New prototypes for above.
423         * tree.c (get_static_type_bounds): Moved from
424         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
425         TYPE_MAX_VALUE if they exist..
426         * tree.h: New prototype for above.
427         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
428         get_type_bounds calls.
429         (mpz_set_double_int): Move to double-int.c.
430         (get_type_bounds): Move to tree.c, rename to
431         get_static_type_bounds.
432         (mpz_to_double_int): Move to double-int.c, rename to
433         mpz_get_double_int.
434
435 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
436
437         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
438         DIV0 exception can fall through to a normal return.
439
440 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
441
442         PR middle-end/22156
443         Temporarily revert:
444         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
445         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
446         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
447         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
448         initialize align to silence bogus warning.
449         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
450         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
451         all_no_warning.
452         (struct sra_walk_fns): Remove use_all parameter from use.
453         (sra_hash_tree): Handle BIT_FIELD_REFs.
454         (sra_elt_hash): Don't hash bitfld blocks.
455         (sra_elt_eq): Skip them in parent compares as well.  Handle
456         BIT_FIELD_REFs.
457         (sra_walk_expr): Don't maintain or pass down use_all_p.
458         (scan_use): Remove use_all parameter.
459         (scalarize_use): Likewise.  Re-expand assignment to
460         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
461         output, and re-scalarize after output.  Don't mark anything
462         for no warning.
463         (scalarize_ldst): Adjust.
464         (scalarize_walk_gimple_modify_statement): Likewise.
465         (build_element_name_1): Handle BIT_FIELD_REFs.
466         (instantiate_element): Don't warn for any element whose parent
467         is used as a whole.
468         (instantiate_missing_elements_1): Return the sra_elt.
469         (canon_type_for_field): New.
470         (try_instantiate_multiple_fields): New.
471         (instantiate_missing_elemnts): Use them.
472         (mark_no_warning): Removed.
473         (generate_one_element_ref): Handle BIT_FIELD_REFs.
474         (REPLDUP, sra_build_elt_assignment): New.
475         (generate_copy_inout): Use them.
476         (generate_element_copy): Likewise.  Handle bitfld differences.
477         (generate_element_zero): Don't recurse for blocks.  Use
478         sra_build_elt_assignment.
479         (generate_one_element_int): Take elt instead of var.  Use
480         sra_build_elt_assignment.
481         (generate_element_init_1): Adjust.
482         (scalarize_use, scalarize_copy): Use REPLDUP.
483         (scalarize_ldst): Move assert before dereference.
484         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
485
486 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
487
488         PR C++/31721
489         * tree.c (reconstruct_complex_type): Reconstruct a reference
490         correctly.
491         Also use the same mode for the pointer as the old pointer type.
492
493 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
494
495         * doc/trouble.texi (Interoperation): Remove note about Ultrix
496         Fortran compiler.
497
498 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
499
500         PR rtl-optimization/31676
501         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
502         (df_refs_record): Call it.
503
504 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
505
506         * rtl.def (SS_ABS): New code.
507         * config/bfin/bfin.c (print_operand): New modifier 'v'.
508         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
509         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
510         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
511         (bfin_init_builtins): Define them.
512         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
513         (bfin_expand_builtin): ... and handle the others here.
514         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
515         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
516         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
517         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
518         operand is only HImode.
519
520 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
521
522         * regclass.c (scan_one_insn): Remove splitting of
523         two address insns.
524
525 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
526             Nigel Stephens  <nigel@mips.com>
527
528         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
529
530 2007-04-28  Jan Hubicka  <jh@suse.cz>
531
532         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
533         insn_locators_alloc instead of insn_locators_initialize;
534         call reset_block_changes.
535         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
536         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
537         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
538         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
539         * config/score/score.c (th_output_mi_thunk): Likewise.
540         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
541         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
542         tolerate uninitialized locator info.
543
544         Re-apply:
545         * function.c (init_function_start): Don't init line number info.
546         (expand_function_end): Update.
547         (reset_block_changes, record_block_change, finalize_block_changes,
548         check_block_change, free_block_changes): Kill.
549         * function.h (reset_block_changes, record_block_change,
550         finalize_block_changes, check_block_change, free_block_changes): Remove
551         prototypes.
552         (struct function): Remove ib_boundaries_block.
553         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
554         Use curr_insn_locator to initialize locator.
555         (emit_line_note): Remove.
556         * cfgexpand.c (expand_gimple_cond_expr): Update.
557         (construct_exit_block): Likewise.
558         (tree_expand_cfg): Initialize/finalize locators.
559         * expr.c (expand_expr_real): Update.
560         * cfglayout.c (line_locators_locs, line_locators_lines,
561         file_locators_locs, file_locators_files): Remove.
562         (set_block_levels): Move to cfgexpand.c.
563         (insn_locators_initialize): Remove.
564         (pass_insn_locators_initialize): Remove.
565         (locations_locators_locs, locations_locators_vals): New static vars.
566         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
567         Likewise.
568         (insn_locators_alloc, insn_locators_finalize,
569         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
570         New functions.
571         (locator_location): New.
572         (locator_line, locator_file): Rewrite.
573         * rtl.h (emit_line_note): Kill.
574         (insn_locators_alloc, insn_locators_finalize,
575         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
576         Declare.
577         * tree-inline.c (initialize_cfun): Do not initialize
578         ib_boundaries_block.
579         * passes.c (pass_insn_locators_initialize): Remove.
580
581 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
582
583         * tree-cfg.c (move_block_to_fn): Release bb from dominance
584         info.  Update last_basic_block correctly.
585
586 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
587
588         PR target/31701
589         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
590         register itself to hold the offset constant.  Tell flow the use
591         of r4 and r5 when they are used.
592
593 2007-04-27  Richard Guenther  <rguenther@suse.de>
594
595         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
596         if we simplified anything.
597         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
598         warnings until we did a simplification and the stmt was not
599         marked as TREE_NO_WARNING.
600
601 2007-04-27  Mike Stump  <mrs@apple.com>
602
603         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
604
605 2007-04-27  Ian Lance Taylor  <iant@google.com>
606
607         PR middle-end/31710
608         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
609         TYPE_MAX_VALUE exist, convert them to the new type.
610
611 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
612
613         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
614         if it claims to be available.
615         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
616         edge is redirected.
617         (perform_tree_ssa_dce): Always free postdominators.
618
619 2007-04-27  Richard Henderson  <rth@redhat.com>
620
621         * config/alpha/predicates.md (aligned_memory_operand): Mark
622         as define_special_predicate.
623         (unaligned_memory_operand, normal_memory_operand): Likewise.
624         (reg_or_unaligned_mem_operand): Remove.
625         (any_memory_operand): Match the documentation and check for
626         non-renumbered pseudos during reload.
627         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
628         alpha_secondary_reload_class, update to new interface, make static.
629         Handle CQImode like HImode.  Remove FP subreg check.
630         (alpha_expand_mov): Use replace_equiv_address.
631         (alpha_expand_mov_nobwx): Use any_memory_operand.
632         (TARGET_SECONDARY_RELOAD): New.
633         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
634         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
635         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
636         * config/alpha/alpha.md: ... here.
637         (RELOAD12, reloadmode): New.
638         (movcqi): New.
639         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
640         Don't handle the aligned case here.
641         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
642         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
643         reload_inhi_help.  Don't expect a scratch register.
644         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
645         reload_outhi_help.
646         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
647
648 2007-04-27  Richard Guenther  <rguenther@suse.de>
649
650         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
651
652 2007-04-27  Richard Guenther  <rguenther@suse.de>
653
654         PR tree-optimization/30965
655         PR tree-optimization/30978
656         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
657         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
658         (find_equivalent_equality_comparison): Likewise.
659         (simplify_cond): Likewise.
660         (get_prop_source_stmt): New helper.
661         (get_prop_dest_stmt): Likewise.
662         (can_propagate_from): Likewise.
663         (remove_prop_source_from_use): Likewise.
664         (combine_cond_expr_cond): Likewise.
665         (forward_propagate_comparison): New function.
666         (forward_propagate_into_cond): Rewrite to use fold for
667         tree combining.
668         (tree_ssa_forward_propagate_single_use_vars): Call
669         forward_propagate_comparison to propagate comparisons.
670
671 2007-04-27  Richard Guenther  <rguenther@suse.de>
672
673         PR tree-optimization/31715
674         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
675         sure to do computation on the offset in an appropriate
676         signed type.
677
678 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
679
680         * reload.h (elimination_target_reg_p): Declare.
681         * reload.c (find_reloads): Don't apply the reg_rtx move
682         optimization if the SET_DEST satisfies elimination_target_reg_p.
683         * reload1.c (elimination_target_reg_p): New function.
684         (gen_reload): In the move/add2 fallback, make sure that op0
685         does not overlap the destination register.
686
687 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
688
689         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
690         transform only GIMPLE_MODIFY_STMTs.
691         * tree-complex.c (expand_complex_operations_1): Ditto.
692         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
693         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
694         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
695         branches.
696         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
697         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
698         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
699         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
700         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
701         slpeel_add_loop_guard): Ditto.
702         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
703         * lambda-code.c (perfect_nestify): Ditto.
704         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
705         before the first statement.
706         * tree-optimize.c (execute_free_datastructures): Fix comments.
707         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
708         * tree-flow.h (disband_implicit_edges): Declaration removed.
709         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
710         branches.
711         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
712         without gotos.
713         (disband_implicit_edges, has_label_p): Removed.
714         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
715         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
716         branches.
717         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
718         side effects.
719         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
720         also for COND_EXPRs.
721         * cfgexpand.c (label_rtx_for_bb): New function.
722         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
723         Use label_rtx_for_bb to find the labels.
724         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
725         last block.  Detect fallthru edges.
726
727 2007-04-26  Ian Lance Taylor  <iant@google.com>
728
729         PR target/28675
730         * reload.c (find_reloads_subreg_address): If the address was valid
731         in the original mode but not in the new mode, reload the whole
732         address.
733
734 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
735
736         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
737         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
738         (cleanup_control_expr_graph): Do not invalidate dominance info.
739         Record altered blocks.
740         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
741         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
742         cleanup_tree_cfg_bb): New functions.
743         (remove_forwarder_block): Do not maintain the worklist of blocks.
744         Record altered blocks.
745         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
746         not over whole cfg.
747         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
748         delete_unreachable_blocks if dominators are not available.
749         * tree-inline.c (optimize_inline_calls): Free dominance information
750         earlier.
751         * tree-flow.h (remove_edge_and_dominated_blocks,
752         cfgcleanup_altered_bbs): Altered.
753         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
754         blocks.
755         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
756         functions.
757         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
758         do not invalidate dominators.
759
760 2007-04-26  Anatoly Sokolov <aesok@post.ru>
761
762         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
763         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
764         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
765         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
766
767 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
768
769         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
770
771 2007-04-26  Richard Guenther  <rguenther@suse.de>
772
773         PR tree-optimization/31703
774         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
775         the right type for the target of the bittest.
776
777 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
778
779         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
780         ix86_sol10_return_in_memory.
781
782 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
783
784         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
785         variables.
786
787 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
788
789         PR c++/31598
790         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
791
792         PR tree-optimization/30558
793         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
794         clear this_state.prev_try.
795
796 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
797             Mark Mitchell  <mark@codesourcery.com>
798
799         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
800         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
801         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
802
803 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
804
805         PR driver/31107
806         * doc/invoke.texi (%:print-asm-header): Document.
807         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
808         and -ftarget-help.
809         (static_spec_functions): Add print-asm-header.
810         (main): Print a banner before the --target-help linker options.
811         (print_asm_header_spec_function): New function.
812
813 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
814
815         PR target/31403
816         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
817         (movsf_ie): Likewise.
818
819 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
820
821         * doc/extend.texi ([Type Traits]): Adjust per N2255.
822
823 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
824
825         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
826         for divide-by-zero.
827         (__umodsi3, __modsi3): Likewise.
828
829 2007-04-25  Dirk Mueller  <dmueller@suse.de>
830
831         * c-typeck.c (build_compound_expr): Annotate warning()
832         call with OPT_Wunused_value.
833         * tree-ssa.c (warn_uninit): Annotate warning with
834         OPT_Wunintialized.
835         * c-common.c (handle_sentinel_attribute): Annotate warning
836         call with OPT_Wattributes.
837
838 2007-04-25  Thiemo Seufer  <ths@mips.com>
839
840         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
841         (mips16): Fix typo.
842         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
843         on to the assembler.  Improve handling of -mno-mips16.  Add handling
844         of -mno-mips3d, -mno-dsp, -mno-dspr2.
845         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
846         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
847         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
848
849 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
850
851         PR target/31680
852         * config/i386/winnt.c (i386_pe_file_end): Strip only
853         USER_LABEL_PREFIX when writing export name.
854
855 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
856
857         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
858         sh/elf.h, vx-common.h and vxworks.h.
859         * config/sh/sh.h: Include config/vxworks-dummy.h.
860         (SUBTARGET_OVERRIDE_OPTIONS): Define.
861         (OVERRIDE_OPTIONS): Use it.
862         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
863         (vxworks_picreg): New pattern.
864         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
865         VXWORKS_OS_CPP_BUILTINS.
866         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
867         to their VXWORKS_* equivalents.
868         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
869         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
870         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
871         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
872         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
873         -mrtp/-fPIC multilibs.
874         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
875         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
876         (MULTILIB_OSDIRNAMES): Delete.
877
878 2007-04-25  Anatoly Sokolov <aesok@post.ru>
879
880         PR target/18989
881         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
882
883 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
884
885         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
886         rounding mode to be specified by the caller.
887         (real_to_mpfr) Likewise.
888         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
889         include new arguments.
890         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
891
892 2007-04-24  Ian Lance Taylor  <iant@google.com>
893
894         PR tree-optimization/31605
895         * tree-vrp.c (set_value_range): Check that min and max are not
896         both overflow infinities.
897         (set_value_range_to_value): New static function.
898         (extract_range_from_binary_expr): Call set_value_range_to_value.
899         (extract_range_from_cond_expr): Likewise.
900         (extract_range_from_expr): Likewise.
901         (extract_range_from_unary_expr): Likewise.  Don't create a range
902         which overflows on both sides.
903         (vrp_meet): Check for a useless range.
904         (vrp_visit_phi_node): If we see a constant which looks like an
905         overflow infinity, turn off the TREE_OVERFLOW flag.
906
907 2007-04-24  Ian Lance Taylor  <iant@google.com>
908
909         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
910
911 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
912
913         PR diagnostic/25923
914         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
915         diagnostic message is being built.
916         * tree-pretty-print.c (dump_generic_node): Only write the
917         formatted text into BUFFER's stream if we are not building a
918         diagnostic message.
919         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
920         dump_generic_node.
921         * Makefile.in (toplev.o): Depend on tree-pass.h.
922
923 2007-04-24  Ian Lance Taylor  <iant@google.com>
924
925         PR tree-optimization/31602
926         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
927         conditionals in the copied loop header.
928         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
929         warnings if TREE_NO_WARNING is set.
930         * doc/invoke.texi (Warning Options): Clarify that
931         -Wstrict-overflow does not warn about loops.
932
933 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
934
935         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
936         expand on the comment about _Decimal128 arguments and check the
937         integer result of the modulus operation; for 64-bit ELF ABI, ensure
938         that _Decimal128 argument uses even/odd register pair.
939         (function_arg): Ditto.
940
941 2007-04-24  Hui-May Chang <hm.chang@apple.com>
942
943         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
944         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
945
946 2007-04-24  Richard Guenther  <rguenther@suse.de>
947             Olga Golovanevsky  <olga@il.ibm.com>
948
949         * fold-const.c (multiple_of_p): Check for bottom
950         to be zero.
951
952 2007-04-24  Richard Henderson  <rth@redhat.com>
953
954         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
955         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
956         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
957         looking for non-zero bits shifted out.  Avoid a recursive call
958         when constructing the scalar.
959         (__floatundisf): Likewise.
960
961 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
962
963         * dwarf2out.c (field_byte_offset): Move the existing logic
964         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
965         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
966
967 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
968
969         PR target/31641
970         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
971         argument of 0 for memset.
972         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
973         unsigned shift instead of the signed variant.
974
975 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
976
977         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
978         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
979         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
980         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
981         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
982         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
983         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
984         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
985         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
986         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
987         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
988         "mul<mode>3", "div<mode>3"): Insn definitions added.
989         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
990         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
991         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
992         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
993         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
994         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
995         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
996         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
997         TARGET_FLOAT_FORMAT): Macro definitions removed.
998         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
999         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
1000         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
1001         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
1002         (s390_gen_rtx_const_DI): Function removed.
1003         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
1004
1005 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
1006
1007         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
1008         over an external ffs function.
1009
1010 2007-04-24  Chao-ying Fu  <fu@mips.com>
1011             Richard Sandiford  <richard@nildram.co.uk>
1012
1013         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
1014         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
1015         (smadd_widen_optab, umadd_widen_optab): Define.
1016         * optabs.c (init_optabs): Initialize smadd_widen_optab and
1017         umadd_widen_optab.
1018         * genopinit.c (optabs): Fill in smadd_widen_optab and
1019         umadd_widen_optab.
1020         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
1021         and umadd_widen_optab to implement multiply-add sequences.
1022         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
1023         (<u>maddsidi4): ...this.  Extend condition to include
1024         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
1025         of operand 0 to "ka" and use the three-operand form of madd<u>
1026         for TARGET_DSPR2.
1027         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
1028         to define_expands.
1029         * config/mips/constraints.md (ka): New register constraint.
1030
1031 2007-04-24  Jan Hubicka  <j@suse.cz>
1032
1033         Revert:
1034
1035         2007-04-23  Jan Hubicka  <jh@suse.cz>
1036         * function.c (init_function_start): Don't init line number info.
1037         (expand_function_end): Update.
1038         (reset_block_changes, record_block_change, finalize_block_changes,
1039         check_block_change, free_block_changes): Kill.
1040         * function.h (reset_block_changes, record_block_change,
1041         finalize_block_changes, check_block_change, free_block_changes): Remove
1042         prototypes.
1043         (struct function): Remove ib_boundaries_block.
1044         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1045         Use curr_insn_locator to initialize locator.
1046         (emit_line_note): Remove.
1047         * cfgexpand.c (expand_gimple_cond_expr): Update.
1048         (construct_exit_block): Likewise.
1049         (tree_expand_cfg): Initialize/finalize locators.
1050         * expr.c (expand_expr_real): Update.
1051         * cfglayout.c (line_locators_locs, line_locators_lines,
1052         file_locators_locs, file_locators_files): Remove.
1053         (set_block_levels): Move to cfgexpand.c.
1054         (insn_locators_initialize): Remove.
1055         (pass_insn_locators_initialize): Remove.
1056         (locations_locators_locs, locations_locators_vals): New static vars.
1057         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1058         Likewise.
1059         (insn_locators_alloc, insn_locators_finalize,
1060         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1061         New functions.
1062         (locator_location): New.
1063         (locator_line, locator_file): Rewrite.
1064         * rtl.h (emit_line_note): Kill.
1065         (insn_locators_alloc, insn_locators_finalize,
1066         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1067         Declare.
1068         * tree-inline.c (initialize_cfun): Do not initialize
1069         ib_boundaries_block.
1070         * passes.c (pass_insn_locators_initialize): Remove.
1071
1072 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
1073
1074         * doc/invoke.texi: Removed leading '-' from option index entries.
1075
1076 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1077
1078         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
1079         Use phi_nodes_ptr.
1080         (create_phi_node): Use set_phi_nodes.
1081         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
1082         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
1083         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
1084         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
1085         (bsi_start, bsi_last): Use bb_stmt_list.
1086         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
1087         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
1088         Traverse the statements using tsi iterator.
1089         * basic-block.h (struct basic_block_def): Fields stmt_list
1090         and phi_nodes moved to ...
1091         (struct tree_bb_info): ... new structure.
1092         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
1093         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
1094         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
1095         (tree_verify_flow_info): Verify that il.tree is not set for
1096         entry and exit block.
1097         (tree_split_block): Use set_bb_stmt_list.
1098
1099 2007-04-23  Mike Stump  <mrs@apple.com>
1100
1101         * config/i386/i386.c (ix86_tune_features
1102         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
1103         nocona and core2.
1104
1105 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1106
1107         * config/i386/i386.md (prefix_extra): New attribute.
1108         (length): Add prefix_extra.
1109
1110         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
1111         (sse2_movntv2di): Likewise.
1112         (sse2_cvtps2dq): Likewise.
1113         (sse2_cvtpd2pi): Likewise.
1114         (sse2_cvttpd2pi): Likewise.
1115         (*sse2_cvtpd2ps): Likewise.
1116         (*add<mode>3): Likewise.
1117         (sse2_ssadd<mode>3): Likewise.
1118         (sse2_usadd<mode>3): Likewise.
1119         (*sub<mode>3): Likewise.
1120         (sse2_sssub<mode>3): Likewise.
1121         (sse2_ussub<mode>3): Likewise.
1122         (*mulv8hi3): Likewise.
1123         (*smulv8hi3_highpart): Likewise.
1124         (*umulv8hi3_highpart): Likewise.
1125         (sse2_umulv2siv2di3): Likewise.
1126         (sse2_pmaddwd): Likewise.
1127         (ashr<mode>3): Likewise.
1128         (lshr<mode>3): Likewise.
1129         (ashl<mode>3): Likewise.
1130         (sse2_ashlti3): Likewise.
1131         (sse2_lshrti3): Likewise.
1132         (*umaxv16qi3): Likewise.
1133         (*smaxv8hi3): Likewise.
1134         (*uminv16qi3): Likewise.
1135         (*sminv8hi3): Likewise.
1136         (sse2_eq<mode>3): Likewise.
1137         (sse2_gt<mode>3): Likewise.
1138         (*and<mode>3): Likewise.
1139         (sse2_nand<mode>3): Likewise.
1140         (*ior<mode>3): Likewise.
1141         (*xor<mode>3): Likewise.
1142         (sse2_packsswb): Likewise.
1143         (sse2_packssdw): Likewise.
1144         (sse2_packuswb): Likewise.
1145         (sse2_punpckhbw): Likewise.
1146         (sse2_punpcklbw): Likewise.
1147         (sse2_punpckhwd): Likewise.
1148         (sse2_punpcklwd): Likewise.
1149         (sse2_punpckhdq): Likewise.
1150         (sse2_punpckldq): Likewise.
1151         (sse2_punpckhqdq): Likewise.
1152         (sse2_punpcklqdq): Likewise.
1153         (*sse2_pinsrw): Likewise.
1154         (*sse2_pextrw): Likewise.
1155         (sse2_pshufd_1): Likewise.
1156         (sse2_uavgv16qi3): Likewise.
1157         (sse2_uavgv8hi3): Likewise.
1158         (sse2_psadbw): Likewise.
1159         (sse2_pmovmskb): Likewise.
1160         (*sse2_maskmovdqu): Likewise.
1161         (*sse2_maskmovdqu_rex64): Likewise.
1162         (sse4a_extrqi): Likewise.
1163         (sse4a_extrq): Likewise.
1164         (sse3_lddqu): Set prefix_rep.
1165         (sse3_addsubv4sf3): Likewise.
1166         (sse3_haddv4sf3): Likewise.
1167         (sse3_hsubv4sf3): Likewise.
1168         (sse_cvtss2si): Likewise.
1169         (sse_cvtss2si_2): Likewise.
1170         (sse_cvtss2siq): Likewise.
1171         (sse_cvtss2siq_2): Likewise.
1172         (sse_cvttss2si): Likewise.
1173         (sse_cvttss2siq): Likewise.
1174         (sse2_cvttps2dq): Likewise.
1175         (sse3_movshdup): Likewise.
1176         (sse3_movsldup): Likewise.
1177         (sse2_cvtsd2si): Likewise.
1178         (sse2_cvtsd2si_2): Likewise.
1179         (sse2_cvtsd2siq): Likewise.
1180         (sse2_cvtsd2siq_2): Likewise.
1181         (sse2_cvttsd2si): Likewise.
1182         (sse2_cvttsd2siq): Likewise.
1183         (*sse2_cvtpd2dq): Likewise.
1184         (*sse2_cvttpd2dq): Likewise.
1185         (sse2_pshuflw_1): Likewise.
1186         (sse2_pshufhw_1): Likewise.
1187         (sse4a_insertqi): Likewise.
1188         (sse4a_insertq): Likewise.
1189         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
1190         (ssse3_phadddv4si3): Likewise.
1191         (ssse3_phaddswv8hi3): Likewise.
1192         (ssse3_phsubwv8hi3): Likewise.
1193         (ssse3_phsubdv4si3): Likewise.
1194         (ssse3_phsubswv8hi3): Likewise.
1195         (ssse3_pmaddubswv8hi3): Likewise.
1196         (ssse3_pmulhrswv8hi3): Likewise.
1197         (ssse3_pshufbv16qi3): Likewise.
1198         (ssse3_psign<mode>3): Likewise.
1199         (ssse3_palignrti): Likewise.
1200         (abs<mode>2): Likewise.
1201         (ssse3_phaddwv4hi3): Set prefix_extra.
1202         (ssse3_phadddv2si3): Likewise.
1203         (ssse3_phaddswv4hi3): Likewise.
1204         (ssse3_phsubwv4hi3): Likewise.
1205         (ssse3_phsubdv2si3): Likewise.
1206         (ssse3_phsubswv4hi3): Likewise.
1207         (ssse3_pmaddubswv4hi3): Likewise.
1208         (ssse3_pmulhrswv4hi3): Likewise.
1209         (ssse3_pshufbv8qi3): Likewise.
1210         (ssse3_psign<mode>3): Likewise.
1211         (ssse3_palignrdi): Likewise.
1212         (abs<mode>2): Likewise.
1213         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
1214         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
1215         (sse2_pmovmskb): Set mode to SI instead of V2DF.
1216
1217 2007-04-23  Nick Clifton  <nickc@redhat.com>
1218
1219         * params.def: Fix formatting of emacs local variables.
1220
1221 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1222
1223         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
1224         move if inter-unit move isn't allowed.
1225         Don't split moving the first element of V2DI to DI to inter-unit
1226         move if inter-unit move isn't allowed.
1227
1228 2007-04-23  Richard Guenther  <rguenther@suse.de>
1229
1230         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
1231         and CDI_POST_DOMINATORS separately.
1232
1233 2007-04-23  Nick Clifton  <nickc@redhat.com>
1234
1235         * c.opt (Wformat-contains-nul): Add warning attribute.
1236
1237 2007-04-23  Jan Hubicka  <jh@suse.cz>
1238
1239         * function.c (init_function_start): Don't init line number info.
1240         (expand_function_end): Update.
1241         (reset_block_changes, record_block_change, finalize_block_changes,
1242         check_block_change, free_block_changes): Kill.
1243         * function.h (reset_block_changes, record_block_change,
1244         finalize_block_changes, check_block_change, free_block_changes): Remove
1245         prototypes.
1246         (struct function): Remove ib_boundaries_block.
1247         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1248         Use curr_insn_locator to initialize locator.
1249         (emit_line_note): Remove.
1250         * cfgexpand.c (expand_gimple_cond_expr): Update.
1251         (construct_exit_block): Likewise.
1252         (tree_expand_cfg): Initialize/finalize locators.
1253         * expr.c (expand_expr_real): Update.
1254         * cfglayout.c (line_locators_locs, line_locators_lines,
1255         file_locators_locs, file_locators_files): Remove.
1256         (set_block_levels): Move to cfgexpand.c.
1257         (insn_locators_initialize): Remove.
1258         (pass_insn_locators_initialize): Remove.
1259         (locations_locators_locs, locations_locators_vals): New static vars.
1260         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1261         Likewise.
1262         (insn_locators_alloc, insn_locators_finalize,
1263         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1264         New functions.
1265         (locator_location): New.
1266         (locator_line, locator_file): Rewrite.
1267         * rtl.h (emit_line_note): Kill.
1268         (insn_locators_alloc, insn_locators_finalize,
1269         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1270         Declare.
1271         * tree-inline.c (initialize_cfun): Do not initialize
1272         ib_boundaries_block.
1273         * passes.c (pass_insn_locators_initialize): Remove.
1274
1275 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1276
1277         PR middle-end/31448
1278         * expr.c (reduce_to_bit_field_precision): Handle
1279         CONST_INT rtx's.
1280
1281 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
1282
1283         PR tree-optimization/24659
1284         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
1285         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
1286         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
1287         * genopinit.c (optabs): Rename vec_pack_mod_optab
1288         to vec_pack_trunc_optab.
1289         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
1290         early for scalar floating point operands for NOP_EXPR.
1291         (vectorizable_type_promotion): Ditto.
1292         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
1293         vec_pack_trunc_optab.
1294         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
1295
1296         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
1297         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
1298         Rename from VEC_PACK_MOD_EXPR.
1299         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
1300         * expr.c (expand_expr_real_1): Ditto.
1301         * tree-inline.c (estimate_num_insns_1): Ditto.
1302         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1303
1304         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
1305         (vec_unpacks_lo_v4sf): Ditto.
1306         (vec_pack_trunc_v2df): Ditto.
1307         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
1308         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1309         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
1310
1311         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
1312         vec_pack_mod_v8hi.
1313         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1314
1315         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
1316         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
1317         packing of floating point operands.
1318         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
1319         represent unpacking of floating point operands.
1320         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
1321         [vec_unpacks_hi]: Ditto.
1322         [vec_unpacks_lo]: Ditto.
1323
1324 2007-04-22  Jan Hubicka  <jh@suse.cz>
1325
1326         * final.c (rest_of_handle_final): Call
1327         targetm.asm_out.constructor/targetm.asm_out.destructor
1328         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
1329         proper priority via decl_*_priority_insert.
1330         * c-common.c (c_expand_body): Likewise.
1331
1332 2007-04-22  Richard Guenther  <rguenther@suse.de>
1333
1334         PR tree-optimization/29789
1335         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
1336         (rewrite_reciprocal): New helper split out from
1337         determine_invariantness_stmt.
1338         (rewrite_bittest): Likewise.
1339         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1340         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1341         is not.
1342
1343 2007-04-22  Revital Eres  <eres@il.ibm.com>
1344
1345         * loop-unroll.c (var_to_expand): New field to support also
1346         insns of the form x = something + x.
1347         (analyze_insn_to_expand_var): Use it.
1348         (expand_var_during_unrolling): Likewise.
1349
1350 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1351
1352         * predict.c: Include pointer-set.h.
1353         (bb_predictions): New variable.
1354         (tree_predicted_by_p, tree_predict_edge,
1355         remove_predictions_associated_with_edge): Use bb_predictions map
1356         instead of bb->predictions.
1357         (clear_bb_predictions, assert_is_empty): New functions.
1358         (combine_predictions_for_bb): Use bb_predictions map.  Call
1359         clear_bb_predictions.
1360         (tree_estimate_probability): Create and free bb_predictions map.
1361         * Makefile.in (predict.o): Add pointer-set.h dependency.
1362         * basic-block.h (struct basic_block_def): Remove predictions
1363         field.
1364         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1365
1366 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1367
1368         PR target/31480
1369         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1370         is null.
1371
1372 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1373
1374         * timevar.c (timevar_print): Change reference of --disable-checking to
1375         --enable-checking=release.  Also warn if assert checking is disabled.
1376
1377 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1378
1379         PR C/30265
1380         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
1381         decl as addressable if the compound literal was marked as
1382         addressable.
1383         Mark the decl as a gimple register if it is a complex or
1384         vector decl and does not live in memory.
1385
1386 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1387
1388         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
1389         (GENERIC_NEXT): New function macro.
1390         (PHI_CHAIN): Use phi_node's new chain variable.
1391         (tree_phi_node): Change tree_common to tree_base
1392         and add the chain field.
1393         * tree-phinodes.c (make_phi_node): Don't set
1394         TREE_TYPE on the new node.
1395         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
1396         instead of checking GIMPLE_TUPLE_P in chain_next.
1397         * tree-vect-transform.c
1398         (get_initial_def_for_induction): Look at
1399         PHI_RESULT_TREE for the type of the phi node.
1400         (update_vuses_to_preheader): Use PHI_CHAIN
1401         instead of TREE_CHAIN on the phi node.
1402         * tree-ssa-structalias.c (compute_points_to_sets):
1403         Likewise.
1404         (ipa_pta_execute): Likewise.
1405
1406 2007-04-21  Richard Guenther  <rguenther@suse.de>
1407
1408         PR middle-end/31136
1409         * fold-const.c (fold_unary): Call fold_convert_const on the
1410         original tree.
1411
1412 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
1413
1414         * gcse.c (store_killed_in_insn): Handle PARALLELs.
1415         (store_killed_in_pat): New.
1416
1417 2007-04-20  Richard Henderson  <rth@redhat.com>
1418
1419         PR target/31628
1420         * config/i386/i386.c (type_has_variadic_args_p): Look for any
1421         TREE_LIST with a void_type_node value, not void_list_node exactly.
1422
1423 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
1424
1425         * doc/standards.texi: Re-arrange into language-specific
1426         subsections. Add a C++ section, documenting which standards we
1427         support.
1428
1429 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1430
1431         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
1432         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
1433
1434 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
1435
1436         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
1437         ecrti.o and crtbegin.o.
1438         (LIB_DEFAULT_SPEC): Include -lc.
1439         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
1440
1441 2007-04-20  Richard Henderson  <rth@redhat.com>
1442
1443         PR target/28623
1444         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
1445         argument; update all callers.
1446         (get_unaligned_offset): New.
1447         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
1448         get_unaligned_address, just pass on the address directly.
1449         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
1450         the subreg in the helper patterns.
1451         (unaligned_extendqidi_le): Use get_unaligned_offset.
1452         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
1453         (unaligned_extendhidi_be): Likewise.
1454         (unaligned_extendhidi): Tidy.
1455         * config/alpha/alpha-protos.h: Update.
1456
1457 2007-04-20  Richard Henderson  <rth@redhat.com>
1458
1459         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
1460         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
1461         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
1462         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1463         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1464         (CPP_SPEC): Don't include %(cpp_subtarget).
1465         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
1466         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1467         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
1468
1469 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
1470
1471         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
1472         for __builtin_ia32_cmpordss.
1473
1474         PR tree-optimization/31632
1475         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1476         and arg1 for optimizations of comparison against min/max values.
1477         Fold arg0 to arg1's type for optimizations of comparison against
1478         min+1 and max-1 values.
1479
1480 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1481
1482         * reload.c (combine_reloads): When trying to use a dying register,
1483         check whether it's uninitialized and don't use if so.
1484
1485 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
1486
1487         * fold-const.c: Remove prototypes for native_encode_expr and
1488         native_interpret_expr.
1489         (native_encode_expr): Make non-static.
1490         (native_interpret_expr): Likewise.
1491         * tree.h: Add prototypes for the above.
1492
1493 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1494
1495         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
1496         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
1497         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
1498         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
1499         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
1500         Add length attributes.
1501
1502 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
1503
1504         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
1505         not that it is 1.
1506
1507         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
1508         __STDC_WANT_DEC_FP__.
1509
1510 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1511
1512         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
1513         for long double compatibility.
1514         * configure: Regenerate.
1515
1516 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1517
1518         PR rtl-optimization/29841
1519         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
1520         trap instructions.
1521         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
1522         that may cause control flow transfer from being moved.
1523
1524 2007-04-18  Jan Hubicka  <jh@suse.cz>
1525
1526         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
1527         types.
1528
1529 2007-04-18  Eric Christopher  <echristo@apple.com>
1530
1531         * config/rs6000/darwin.md (load_macho_picbase): Use link register
1532         only. Update operands.
1533         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
1534         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
1535         link register to pic register.
1536
1537 2007-04-18  Dirk Mueller  <dmueller@suse.de>
1538
1539         PR diagnostic/31227
1540         * tree-vrp.c (search_for_addr_array): New.
1541         (check_array_bounds): Suppress warning about
1542         address taken of array refs if its not de-referenced.
1543
1544 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1545
1546         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
1547         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
1548
1549         * tree-vectorizer.h (NITERS_KNOWN_P): New.
1550         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
1551         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
1552
1553         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
1554         dump print.
1555         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
1556         print message.
1557         (vect_analyze_scalar_cycles): Fix indentation.
1558         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
1559         (vect_mark_relevant): Include phis in relevance analysis.
1560
1561         * tree-vect-transform.c (vect_transform_loop): Add an assert.
1562
1563 2007-04-18  Anatoly Sokolov <aesok@post.ru>
1564
1565         * config/avr/avr.c (ptrreg_to_str): Replace error() with
1566         output_operand_lossage().
1567
1568 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1569
1570         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
1571         the unused code for reduction without adjust-in-epilog to simplify the
1572         function.
1573
1574 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
1575
1576         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
1577         (S390_TDC_NEGATIVE_ZERO): New constant.
1578         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
1579         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
1580         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
1581         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
1582         (S390_TDC_POSITIVE_INFINITY): New constant.
1583         (S390_TDC_NEGATIVE_INFINITY): New constant.
1584         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1585         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1586         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1587         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1588         (S390_TDC_INFINITY): New constant.
1589         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1590         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1591         optimization for UNSPEC_CCZ_TO_INT.
1592         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1593         ("*ccz_to_int"): New insn.
1594         ("isinf<mode>2"): New insn.
1595         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1596         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1597         (UNSPEC_CCZ_TO_INT): New constant.
1598
1599 2007-04-18  Richard Guenther  <rguenther@suse.de>
1600
1601         PR tree-optimization/19431
1602         PR tree-optimization/21463
1603         * tree-pass.h (pass_phiprop): Declare.
1604         * passes.c (init_optimization_passes): New phiprop pass.
1605         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1606         (phivn_valid_p): New helper function.
1607         (phiprop_insert_phi): Likewise.
1608         (propagate_with_phi): Likewise.
1609         (tree_ssa_phiprop): New propagator propagating loads
1610         through phi nodes if profitable.
1611
1612 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1613
1614         * tree-vect-analyze.c (process_use): New function.
1615         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1616         Check phis in all bbs.
1617         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1618         assert.
1619
1620 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1621
1622         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1623         we use REG_EQUAL.
1624
1625 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1626
1627         PR target/30483
1628         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1629         error().
1630
1631 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1632
1633         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1634         on "0".
1635         (sse_vmmulv4sf3): Likewise.
1636         (sse2_vmaddv2df3): Likewise.
1637         (sse2_vmmulv2df3): Likewise.
1638
1639 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
1640
1641         PR rtl-optimization/31360
1642         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1643         (target_reg_cost): New.
1644         (init_set_costs): Initialize target_reg_cost.  Add comments
1645         regarding the rationale of the costs.
1646         (global_cost_for_size): Renamed to...
1647         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
1648         of register pressure.
1649         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1650         estimate_reg_pressure_cost.  Add number of ivs.
1651         (determine_set_costs): Dump target_reg_cost.
1652         * loop-invariant.c (gain_for_invariant):  Use
1653         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
1654         (best_gain_for_invariant, find_invariants_to_move): Remove
1655         n_inv_uses.
1656         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1657         (target_reg_cost): Declare.
1658         (global_cost_for_size): Declaration removed.
1659         (estimate_reg_pressure_cost): Declare.
1660
1661 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
1662
1663         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
1664         regnos into even/odd register pairs.
1665         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
1666         TDmode similar to the other floating point modes.
1667         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
1668         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
1669         define_expand's.
1670         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
1671         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
1672         (movdd_hardfloat64): Use TARGET_MFPGPR.
1673
1674 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1675
1676         * reload1.c (delete_output_reload): Don't count output in n_inherited.
1677
1678         Revert
1679         2005-01-05  Richard Henderson  <rth@redhat.com>
1680         PR rtl-opt/10692
1681         * reload1.c (do_input_reload): Restrict the optimization deleteing
1682         a previous output reload to RELOAD_FOR_INPUT.
1683
1684 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
1685
1686         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
1687         induc_vec_info_type.
1688         (vectorizable_induction): New function declaration.
1689         * tree-vect-transform.c (get_initial_def_for_induction): No need to
1690         check if already vectorized.  Find first place in BB where new stmts
1691         can be inserted.  Takes only one argument.
1692         (vectorizable_induction): New function.
1693         (vect_transform_stmt): Add case for induc_vec_info_type to call
1694         vectorizable_induction.
1695         (vect_transform_loop): Consider phis for vectorization.
1696         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
1697         condition.
1698         (analyze_operations): Call vectorizable_induction when analyzing phis.
1699         Fix comment.
1700         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
1701         (vect_mark_relevant): Include phis in relevance analysis.
1702         (vect_mark_stmts_to_be_vectorize): Likewise.
1703         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
1704
1705 2007-04-16  Lawrence Crowl  <crowl@google.com>
1706
1707         * doc/invoke.texi (Debugging Options): Add documentation for the
1708         -femit-struct-debug options -femit-struct-debug-baseonly,
1709         -femit-struct-debug-reduced, and
1710         -femit-struct-debug-detailed[=...].
1711
1712         * c-opts.c (c_common_handle_option): Add
1713         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
1714         and OPT_femit_struct_debug_detailed_.
1715         * c.opt: Add specifications for
1716         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
1717         and -femit-struct-debug-detailed[=...].
1718         * opts.c (set_struct_debug_option): Parse the
1719         -femit-struct-debug-... options.
1720         * opts.c (matches_main_base, main_input_basename,
1721         main_input_baselength, base_of_path, matches_main_base): Add
1722         variables and functions to compare header base name to compilation
1723         unit base name.
1724         * opts.c (should_emit_struct_debug): Add to determine to emit a
1725         structure based on the option.
1726         (dump_struct_debug) Also disabled function to debug this
1727         function.
1728         * opts.c (handle_options): Save the base name of the
1729         compilation unit.
1730
1731         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
1732         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
1733         This hook indicates if a type is generic.  Set it by default
1734         to "never generic".
1735         * langhooks.h (struct lang_hooks_for_types): Add a new hook
1736         to determine if a struct type is generic or not.
1737         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
1738         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
1739         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
1740         with live C++ hook.
1741
1742         * flags.h (enum debug_info_usage): Add an enumeration to describe
1743         a program's use of a structure type.
1744         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
1745         to indicate the program's usage of the type.  Filter structs based
1746         on the -femit-struct-debug-... specification.
1747         (gen_type_die): Split into two routines, gen_type_die and
1748         gen_type_die_with_usage.  gen_type_die is now a wrapper
1749         that assumes direct usage.
1750         (gen_type_die_with_usage): Replace calls to gen_type_die
1751         with gen_type_die_with_usage adding the program usage of
1752         the referenced type.
1753         (dwarf2out_imported_module_or_decl): Suppress struct debug
1754         information using should_emit_struct_debug when appropriate.
1755
1756 2007-04-16  Ian Lance Taylor  <iant@google.com>
1757
1758         PR tree-optimization/31522
1759         * tree-vrp.c (vr_phi_edge_counts): New static variable.
1760         (vrp_initialize): Allocate vr_phi_edge_counts.
1761         (vrp_visit_phi_node): Don't push to infinity if we saw a new
1762         executable edge.  Drop test for all constants.
1763         (vrp_finalize): Free vrp_phi_edge_counts.
1764
1765         * doc/cpp.texi (Common Predefined Macros): Clarify description of
1766         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1767
1768         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
1769         predecessors at head rather than tail.
1770
1771 2007-04-16  Matthias Klose  <doko@debian.org>
1772
1773         * config/alpha/linux.h (CPP_SPEC): Define.
1774         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
1775
1776 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
1777
1778         * function.h: Remove sequence_stack extern declaration.
1779
1780 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1781
1782         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
1783         TARGET_FIDOA.
1784         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
1785         defined.
1786
1787 2007-04-16  Anatoly Sokolov <aesok@post.ru>
1788
1789         * config/avr/avr.c (avr_arch_types): Rearranging  array.
1790         (enum avr_arch): Add.
1791         (avr_mcu_types): Use avr_arch enumeration constants instead of
1792         numbers.
1793         * config/avr/avr.h (LINK_SPEC): Simplify.
1794
1795 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1796
1797         * config/m68k/m68k.c (m68k_libcall_value,
1798         m68k_function_value): Use macros for register names more.
1799
1800         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
1801         instead.
1802         (M68K_REGNAME): Use A6_REG.
1803         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
1804
1805 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1806
1807         PR middle-end/28071
1808         * sched-int.h (struct deps): Split field 'pending_lists_length' into
1809         'pending_read_list_length' and 'pending_write_list_length'.  Update
1810         comment.
1811         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
1812         to handle two length counters instead of one.  Update all uses.
1813         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
1814         two length counters instead of one.
1815         * sched-rgn.c (propagate_deps): Update to handle two length counters
1816         instead of one.
1817
1818 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
1819
1820         PR target/31582
1821         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
1822         copy of source, pass it to ix86_expand_vector_set and return
1823         it as target.
1824
1825 2007-04-16  David Ung  <davidu@mips.com>
1826             Joseph Myers  <joseph@codesourcery.com>
1827
1828         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
1829         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
1830         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1831         Add 74K processor information.
1832         * config/mips/mips.md: Include 74k.md.
1833         (cpu): Add 74kc,74kf,74kx.
1834         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
1835         * config/mips/74k.md: New.
1836         * doc/invoke.texi (MIPS Options): Document 74K support.
1837
1838 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
1839
1840         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
1841         vectorizable_* functions.
1842         * tree-vect-transform.c (vectorizable_call): Add check for
1843         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
1844         (vectorizable_store): likewise.
1845         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
1846         Add comments.
1847         (vectorizable_operation, vectorizable_type_demotion): Likewise.
1848         (vectorizable_type_promotion, vectorizable_load): Likewise.
1849         (vectorizable_live_operation, vectorizable_condition): Likewise.
1850         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
1851         STMT_VINFO_LIVE_P.
1852         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
1853
1854 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1855
1856         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
1857         register numbers more.
1858         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
1859         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
1860         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
1861         FUNCTION_VALUE_REGNO_P): Likewise.
1862         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
1863         STATIC_CHAIN_REGNUM): Likewise.
1864         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
1865         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
1866         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
1867         * config/m68k/m68k.md (FP_REG): New.
1868
1869 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1870
1871         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
1872         alignment on fido.
1873
1874 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1875
1876         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
1877         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
1878         comment typos.
1879
1880 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1881
1882         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
1883         cold loops.
1884
1885 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1886
1887         PR c/31520
1888         * c-decl.c (finish_decl): Grab the type of the decl after the call
1889         to store_init_value.
1890
1891 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
1892
1893         * common.opt (fforward-propagate): Fix "Optimization" annotation.
1894
1895 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
1896
1897         PR c++/25874
1898         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1899         post dominators and cleanup cfg before returning.
1900
1901 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
1902
1903         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
1904         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
1905
1906 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
1907
1908         * config.gcc: Recognize fido.
1909         * config/m68k/m68k-devices.def (fidoa): New.
1910         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
1911         __mfido__.
1912         (FL_FIDOA, TARGET_FIDOA): New.
1913         * config/m68k/m68k.opt (mfidoa): New.
1914
1915 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1916
1917         PR middle-end/31322
1918         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
1919         when a personality function is used.
1920
1921 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
1922
1923         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
1924
1925 2007-04-13  Mike Stump  <mrs@apple.com>
1926
1927         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
1928         we can...
1929         * config/darwin.opt (fapple-kext): Make C++ only.
1930         * config/darwin.c (darwin_override_options): Remove code to ensure
1931         -fapple-kext is given for C++ only.
1932
1933 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
1934
1935         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1936         * config/mips/mips.c (override_options): Call
1937         SUBTARGET_OVERRIDE_OPTIONS, if defined.
1938
1939 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1940
1941         * config/i386/i386.opt (msvr3-shlib): Removed.
1942
1943         * doc/invoke.texi: Remove -msvr3-shlib.
1944
1945 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1946
1947         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
1948         with "popcnt" instruction.
1949
1950 2007-04-13  Richard Guenther  <rguenther@suse.de>
1951
1952         PR tree-optimization/21258
1953         * tree-vrp.c (compare_case_labels): New helper.
1954         (find_switch_asserts): New function.
1955         (find_assert_locations): Call it for SWITCH_EXPRs.
1956
1957 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
1958
1959         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
1960         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
1961         check is now implied in X87_FLOAT_MODE_P.
1962         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1963         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1964         (fix_trunc<mode>_i386_fisttp): Ditto.
1965         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1966         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1967         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1968         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1969         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1970         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1971         (unnamed_splitters): Ditto.
1972         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
1973         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
1974         FIRST_SSE_REG for local functions when SSE math is enabled or
1975         for functions with sseregparm attribute.
1976         (standard_80387_constant_p): Return -1 if mode is not
1977         X87_FLOAT_MODE_P.
1978         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
1979         (ix86_expand_compare): Ditto.
1980         (ix86_expand_carry_flag_compare): Ditto.
1981         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
1982         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
1983         DECIMAL_FLOAT_MODE_P.
1984         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
1985         of SCALAR_FLOAT_MODE_P.
1986         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
1987         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
1988         checks before FLOAT_MODE_P.
1989         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
1990         before FLOAT_MODE_P.
1991         [DIV]: Ditto.
1992         [NEG]: Ditto.
1993         [ABS]: Ditto.
1994         [SQRT]: Ditto.
1995         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
1996
1997 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
1998             Charles Wilson  <libtool@cwilson.fastmail.fm>
1999
2000         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
2001         (libgcc.mvars): Don't depend on them.
2002         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
2003         * exec-tool.in: New.
2004
2005 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
2006
2007         * doc/invoke.text (--help): Document --help=common.
2008
2009 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
2010
2011         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
2012
2013 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2014
2015         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
2016         * genemit.c (main): Emit #include "integrate.h".
2017         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
2018         (LOADGP_RTP): New mips_loadgp_style.
2019         * config/mips/mips.h: Include config/vxworks-dummy.h.
2020         (TARGET_RTP_PIC): New macro.
2021         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
2022         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
2023         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
2024         for TARGET_RTP_PIC.
2025         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
2026         -mvxworks-pic when using -mrtp and a PIC option.
2027         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
2028         for RTP PIC.
2029         (mips_symbolic_constant_p, mips_symbolic_address_p)
2030         (mips_symbol_insns): Handle SYMBOL_HALF.
2031         (override_options): Warn about -G and -mrtp being used together.
2032         Initialize mips_lo_relocs[SYMBOL_HALF].
2033         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
2034         (mips_emit_loadgp): Handle LOADGP_RTP.
2035         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
2036         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
2037         (tablejump): Handle function-relative case table entries if
2038         TARGET_RTP_PIC.
2039         * config/mips/predicates.md (symbol_ref_operand): New predicate.
2040
2041 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2042
2043         * config/mips/mips.md (load_call<mode>): Allow any general register.
2044         destination.
2045         (sibcall_value_internal, sibcall_value_multiple_internal)
2046         (call_value_internal, call_value_split, call_value_multiple_internal)
2047         (call_value_multiple_split): Remove constraints from operand 0.
2048
2049 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2050
2051         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
2052         rather than loadgp_noshared.
2053         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
2054         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
2055         gen_loadgp.
2056         * config/mips/mips.md (loadgp): Rename to...
2057         (loadgp_newabi): ...this.
2058         (loadgp_noshared): Rename to...
2059         (loadgp_absolute): ...this.
2060
2061 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2062
2063         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
2064         false for locally-binding symbols.
2065         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
2066
2067 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2068
2069         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
2070         (SYMBOL_GOT_PAGE_OFST): ...this.
2071         (SYMBOL_GOT_GLOBAL): Rename to...
2072         (SYMBOL_GOT_DISP): ...this.
2073         (SYMBOL_GOTOFF_GLOBAL): Rename to...
2074         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
2075         * config/mips/mips.c (mips_global_symbol_p): New function.
2076         (mips_symbol_binds_local_p): Likewise.
2077         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
2078         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
2079         and mips_symbol_binds_local_p.
2080         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
2081         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
2082         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
2083         SYMBOL_GOTOFF_DISP.
2084         (mips_ok_for_lazy_binding_p): New function.
2085         (mips_load_call_address, mips_expand_call): Use it.
2086         (mips_dangerous_for_la25_p): Likewise.
2087         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
2088         (*got_disp<mode>): Use got_disp_operand instead of
2089         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
2090         SYMBOL_GOTOFF_GLOBAL.
2091         (*got_page<mode>): Use got_page_ofst_operand instead of
2092         local_got_operand.
2093         * config/mips/predicates.md (const_call_insn_operand): Use
2094         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
2095         (global_got_operand): Rename to...
2096         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
2097         SYMBOL_GOT_GLOBAL.
2098         (local_got_operand): Rename to...
2099         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
2100         of SYMBOL_GOT_LOCAL.
2101
2102 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2103
2104         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
2105         TARGET_CALL_CLOBBERED_GP.
2106         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2107         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
2108         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
2109         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
2110         of TARGET_ABICALLS && !TARGET_NEWABI.
2111         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2112         * config/mips/mips.c (mips_load_call_address): Check
2113         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2114         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2115         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2116         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
2117         TARGET_ABICALLS && TARGET_NEWABI.
2118         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
2119         TARGET_ABICALLS.
2120         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
2121         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
2122         TARGET_ABICALLS && TARGET_NEWABI.
2123         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
2124         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
2125         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
2126         whether indirect calls must use $25.
2127         (mips_extra_live_on_entry): Check TARGET_GOT instead of
2128         TARGET_ABICALLS.
2129         * config/mips/mips.md (jal_macro): Check flag_pic and
2130         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
2131         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
2132         instead of TARGET_ABICALLS.
2133         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
2134         TARGET_ABICALLS && TARGET_OLDABI.
2135         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2136         (sibcall): In the comment above the define_insn, mention
2137         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
2138         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
2139         instead of TARGET_ABICALLS.
2140
2141 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2142
2143         * doc/md.texi (Blackfin family constraints): Document PA and PB.
2144         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
2145         (MACFLAGS_MATCH_P): New macro.
2146         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
2147         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
2148         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
2149         the other MACFLAG constants.
2150         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
2151         (flag_machi): Tighten constraints.  Renumber some of the operands.
2152         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
2153         output template.
2154         (flag_machi_parts_acconly): New pattern.
2155         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
2156         used.
2157         (flag_macinit1hi): Tighten constraints.
2158         (flag_mul_macv2hi_parts_acconly): New pattern.
2159
2160         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
2161         Use a more efficient implementation.
2162         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
2163         inline sequences when not optimizing for size.
2164
2165         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
2166         movhi_high2low): Delete, merge functionality into...
2167         (packv2hi): ... this pattern.
2168
2169         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
2170         * config/bfin/bfin.opt (msim): New option.
2171         (mcpu=): New option.
2172         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
2173         (bfin_cpu_t): Typedef of enum bfin_cpu.
2174         (bfin_cpu_type): New declaration.
2175         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
2176         -msim and -mcpu= options.
2177         (LIB_SPEC): Likewise.
2178         * config/bfin/bfin.c (bfin_cpu_type): Define.
2179         (bfin_handle_option): Handle -mcpu= option.
2180         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
2181         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
2182         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
2183
2184 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2185
2186         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
2187         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
2188         (powerpc-wrs-vxworksae): Use ${tm_file}.
2189         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
2190         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
2191         * config/i386/vx-common.h: New file.
2192
2193 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2194
2195         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
2196         of crt0.o%s.
2197
2198 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2199
2200         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
2201         ldxtr.
2202
2203 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
2204
2205         PR c++/31078
2206         PR c++/31103
2207         * c-common.c (c_build_qualified_type): Set canonical type
2208         appropriately.
2209
2210 2007-04-12  Richard Guenther  <rguenther@suse.de>
2211
2212         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
2213         lower bound and element size if lower bound is not zero
2214         or either of the ARRAY_REF operands is set.
2215
2216 2007-04-12  Richard Guenther  <rguenther@suse.de>
2217
2218         PR tree-optimization/24689
2219         PR tree-optimization/31307
2220         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
2221         indices by value.
2222         * gimplify.c (canonicalize_addr_expr): To be consistent with
2223         gimplify_compound_lval only set operands two and three of
2224         ARRAY_REFs if they are not gimple_min_invariant.  This makes
2225         it never at this place.
2226         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
2227
2228 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2229
2230         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
2231         null before emitting a .nsubspa directive.
2232
2233 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2234
2235         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
2236         need_to_partition_p if there are no memory statements in the
2237         function.
2238
2239 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2240
2241         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
2242         (gcd_of_steps_may_divide_p): New function.
2243         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
2244
2245 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2246
2247         * reload.c (find_reloads_toplev, find_reloads_address,
2248         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
2249         not a pointer equality test, to decide if we need to call
2250         push_reg_equiv_alt_mem.
2251
2252 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
2253
2254         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
2255         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
2256         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
2257
2258 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2259
2260         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
2261         vector to be positive.
2262
2263 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2264
2265         PR 30735
2266         PR 31090
2267         * doc/invoke.texi: Document --params max-aliased-vops and
2268         avg-aliased-vops.
2269         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
2270         debug_memory_partitions): Move to tree-flow.h
2271         * params.h (AVG_ALIASED_VOPS): Define.
2272         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
2273         users.
2274         (mp_info_t): Likewise.
2275         (get_mem_sym_stats_for): New.
2276         (set_memory_partition): Move from tree-flow-inline.h.
2277         (mark_non_addressable): Only clear the set of symbols for the
2278         partition if it exists.
2279         (dump_memory_partitions): Move from tree-ssa-operands.c
2280         (debug_memory_partitions): Likewise.
2281         (need_to_partition_p): New.
2282         (dump_mem_ref_stats): New.
2283         (debug_mem_ref_stats): New.
2284         (dump_mem_sym_stats): New.
2285         (debug_mem_sym_stats): New.
2286         (update_mem_sym_stats_from_stmt): New.
2287         (compare_mp_info_entries): New.
2288         (mp_info_cmp): Call it.
2289         (sort_mp_info): Change argument to a list of mem_sym_stats_t
2290         objects.
2291         (get_mpt_for): Move from tree-ssa-operands.c.
2292         (find_partition_for): New.
2293         (create_partition_for): Remove.
2294         (estimate_vop_reduction): New.
2295         (update_reference_counts): New.
2296         (build_mp_info): New.
2297         (compute_memory_partitions): Refactor.
2298         Document new heuristic.
2299         Call build_mp_info, update_reference_counts,
2300         find_partition_for and estimate_vop_reduction.
2301         (compute_may_aliases): Populate virtual operands before
2302         calling debugging dumps.
2303         (delete_mem_sym_stats): New.
2304         (delete_mem_ref_stats): New.
2305         (init_mem_ref_stats): New.
2306         (init_alias_info): Call it.
2307         (maybe_create_global_var): Remove alias_info argument.
2308         Get number of call sites and number of pure/const call sites
2309         from gimple_mem_ref_stats().
2310         (dump_alias_info): Call dump_memory_partitions first.
2311         (dump_points_to_info_for): Show how many times a pointer has
2312         been dereferenced.
2313         * opts.c (decode_options): For -O2 set --param
2314         max-aliased-vops to 500.
2315         For -O3 set --param max-aliased-vops to 1000 and --param
2316         avg-aliased-vops to 3.
2317         * fortran/options.c (gfc_init_options): Remove assignment to
2318         MAX_ALIASED_VOPS.
2319         * tree-flow-inline.h (gimple_mem_ref_stats): New.
2320         * tree-dfa.c (dump_variable): Dump memory reference
2321         statistics.
2322         Dump NO_ALIAS* settings.
2323         (referenced_var_lookup): Tidy.
2324         (mem_sym_stats): New.
2325         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
2326         and ORIG are different SSA names for a memory partition.
2327         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
2328         * tree-flow.h (struct mem_sym_stats_d): Define.
2329         (mem_sym_stats_t): Define.
2330         (struct mem_ref_stats_d): Define.
2331         (struct gimple_df): Add field mem_ref_stats.
2332         (enum noalias_state): Define.
2333         (struct var_ann_d): Add bitfield noalias_state.
2334         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
2335         debug_mem_ref_stats, debug_memory_partitions,
2336         debug_mem_sym_stats): Declare.
2337         * tree-ssa-structalias.c (update_alias_info): Update call
2338         sites, pure/const call sites and asm sites in structure
2339         returned by gimple_mem_ref_stats.
2340         Remove local variable IS_POTENTIAL_DEREF.
2341         Increase NUM_DEREFS if the memory expression is a potential
2342         dereference.
2343         Call update_mem_sym_stats_from_stmt.
2344         If the memory references memory, call
2345         update_mem_sym_stats_from_stmt for all the direct memory
2346         symbol references found.
2347         (intra_create_variable_infos): Set noalias_state field for
2348         pointer arguments according to the value of
2349         flag_argument_noalias.
2350         * tree-ssa-structalias.h (struct alias_info): Remove fields
2351         num_calls_found and num_pure_const_calls_found.
2352         (update_mem_sym_stats_from_stmt): Declare.
2353         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2354         Set default value to 100.
2355         (PARAM_AVG_ALIASED_VOPS): Define.
2356
2357 2007-04-11  Richard Guenther  <rguenther@suse.de>
2358
2359         PR middle-end/31530
2360         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2361         a * -b + c as c - a * b if we honor sign dependent rounding.
2362
2363 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2364
2365         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2366         bfin_expand_strmov.
2367         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2368         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2369         variables.
2370         (initialize_trampoline): Don't use old-style function definition.
2371         (bfin_secondary_reload): Mark IN_P argument as unused.
2372
2373 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
2374
2375         PR tree-optimization/31343
2376         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2377         (build_polynomial_chrec): Return a scalar when the evolution is zero.
2378         * testsuite/gcc.dg/vect/pr31343.c: New.
2379
2380 2007-04-10  Eric Christopher  <echristo@apple.com>
2381
2382         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
2383         * config/i386/i386.md (*cmpfp0): Use.
2384         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2385         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2386         (fix_trunc<mode>_i386_fisttp): Ditto.
2387         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2388         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2389         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2390         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2391         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2392         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2393         (unnamed_splitters): Ditto.
2394         * config/i386/i386.c (output_fix_trunc): Assert that
2395         we're not being passed a TFmode operand.
2396
2397 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
2398
2399         PR tree-optimization/31526
2400         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
2401         n_basic_blocks to find newly added blocks.
2402
2403 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
2404
2405         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
2406         alternative.
2407         (fix_trunc<mode>si_sse): Ditto.
2408         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
2409         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
2410         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
2411         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
2412         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
2413         expander using SSEMODEF mode macro.
2414         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2415         expander using SSEMODEF mode macro.
2416         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2417         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2418         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2419         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2420         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2421         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2422         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2423         Macroize insn using X87MODEF mode macro.
2424
2425 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2426
2427         * config/i386/sse.md (sse2_pinsrw): Removed.
2428         (sse2_pextrw): Renamed to ...
2429         (*sse2_pextrw): This.
2430
2431 2007-04-09  Jan Hubicka  <jh@suse.cz>
2432
2433         PR target/27869
2434         * config/i386/sse.md
2435         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
2436         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
2437         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
2438         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
2439
2440 2007-04-09  Jan Hubicka  <jh@suse.cz>
2441
2442         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
2443         multiple fields of union.
2444
2445 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
2446
2447         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
2448         (create_preheaders): Check that loops are available.
2449         (fix_loop_structure): Clean up, improve comments.
2450         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
2451         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
2452         state flags.
2453         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
2454         * predict.c (tree_estimate_probability): Do not call
2455         calculate_dominance_info.  Call create_preheaders.
2456         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
2457         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
2458         flags.
2459         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
2460         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
2461         * tree-cfg.c (tree_split_edge): Make an assert more precise.
2462         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
2463         arguments.
2464
2465 2007-04-08  Jan Hubicka  <jh@suse.cz>
2466
2467         * tree.h (maybe_fold_offset_to_component_ref): Declare.
2468         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
2469         * fold-const.c (fold_unary): Use it.
2470
2471 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2472
2473         * varasm.c (assemble_variable): Remove call to
2474         lang_hooks.decls.prepare_assemble_variable.
2475         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
2476         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
2477         * langhooks.h (lang_hooks_for_decls): Remove
2478         prepare_assemble_variable.
2479
2480 2007-04-08  Mike Stump  <mrs@apple.com>
2481
2482         * config/i386/i386.c: Use inc/dec on Core2.
2483
2484 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
2485
2486         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
2487         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2488         lhd_tree_inlining_end_inlining): Remove.
2489         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
2490         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
2491         end_inlining hooks.
2492         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
2493         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2494         lhd_tree_inlining_end_inlining): Remove prototypes.
2495         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
2496         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2497         LANG_HOOKS_TREE_INLINING_START_INLINING,
2498         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
2499
2500         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
2501         not set it.
2502
2503 2007-04-08  Anatoly Sokolov <aesok@post.ru>
2504
2505         PR target/29932
2506         * config/avr/predicates.md (io_address_operand): Delete predicate.
2507         (low_io_address_operand): Don't use 'mode' argument.
2508         (higth_io_address_operand): Rename ...
2509         (high_io_address_operand): ... to this. Don't use 'mode' argument.
2510         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
2511         for above change.
2512
2513 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
2514
2515         Revert change removing staticp.
2516
2517 2007-04-07  Anatoly Sokolov <aesok@post.ru>
2518
2519         PR target/30289
2520         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
2521         earlyclobber.
2522
2523 2007-04-07  Bruce Korb  <bkorb@gnu.org>
2524
2525         * c.opt: Add -Wformat-contains-nul.
2526         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
2527           -Wformat setting.
2528         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
2529         the NUL byte warning.
2530
2531 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
2532
2533         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
2534
2535 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2536
2537         * tree.c (staticp): No longer use staticp langhook.
2538         * langhooks.c (lhd_staticp): Removed.
2539         * langhooks.h (struct lang_hooks): Remove staticp.
2540         * c-common.c (c_staticp): Remove.
2541         * c-common.h (c_staticp): Ditto.
2542         * langhooks-defs.h (lhd_staticp): Ditto.
2543         (LHD_HOOKS_STATICP): Ditto
2544         * tree.h (gcc_assert_lowered): New macro.
2545
2546 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2547
2548         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
2549         argument "reliable".
2550         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
2551         Add argument "reliable".  Propagate it through calls.
2552         (infer_loop_bounds_from_undefined):  Derive number of iterations
2553         estimates from references in blocks that do not dominate loop latch.
2554         (gcov_type_to_double_int): New function.
2555         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
2556         and expected_loop_iterations_unbounded.
2557         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
2558         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
2559         * tree-data-ref.c (estimated_loop_iterations): Export.
2560         (get_references_in_stmt): Fix -- do not return addresses of local
2561         objects.
2562         * cfgloop.h (expected_loop_iterations_unbounded,
2563         estimated_loop_iterations): Declare.
2564
2565 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
2566
2567         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2568
2569 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2570
2571         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
2572         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
2573         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
2574         Use output_387_reg_move().
2575         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
2576         expander using X87MODEF12 mode macro.
2577         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
2578         choosing register preferences.  Use output_387_reg_move().
2579         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
2580         instead of "x".  Use output_387_reg_move().
2581         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
2582         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
2583         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
2584         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
2585         Use output_387_reg_move().
2586         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2587         mode macro.
2588         (*truncxf?f_i387 splitter): Ditto.
2589
2590 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2591
2592         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2593         LANG_HOOKS_SAFE_FROM_P.
2594         * expr.c (safe_from_p): Remove langhook call.
2595         * langhooks.h (lang_hooks): Remove safe_from_p.
2596         (lhd_safe_from_p): Remove prototype.
2597         * langhooks.c (lhd_safe_from_p): Remove.
2598
2599 2007-04-06  Jan Hubicka  <jh@suse.cz>
2600
2601         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2602         functions.
2603
2604 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2605
2606         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2607         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2608         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2609         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2610         alternative.
2611         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2612         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2613
2614 2007-04-05  Richard Henderson  <rth@redhat.com>
2615
2616         * config/alpha/alpha.c (print_operand) [+]: Remove.
2617         (alpha_end_function): Print nop if call at end of function.
2618         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2619         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2620         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2621         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2622         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2623         the call pattern. Update peepholes to match.
2624
2625 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
2626
2627         * doc/extend.texi (Other Builtins): Add decimal float variants
2628         of signbit.
2629         * builtins.def: Ditto.
2630         * builtins.c (expand_builtin): Ditto.
2631
2632 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
2633             H.J. Lu  <hongjiu.lu@intel.com>
2634
2635         PR target/31478
2636         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2637         of V8HImode when calling ix86_binary_operator_ok.
2638         (sse2_pmaddwd): Call ix86_binary_operator_ok.
2639         (sdot_prodv8hi): Operands 1 and 2 must be register.
2640
2641 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2642
2643         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2644         initialize align to silence bogus warning.
2645
2646 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2647
2648         PR middle-end/22156
2649         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2650         all_no_warning.
2651         (struct sra_walk_fns): Remove use_all parameter from use.
2652         (sra_hash_tree): Handle BIT_FIELD_REFs.
2653         (sra_elt_hash): Don't hash bitfld blocks.
2654         (sra_elt_eq): Skip them in parent compares as well.  Handle
2655         BIT_FIELD_REFs.
2656         (sra_walk_expr): Don't maintain or pass down use_all_p.
2657         (scan_use): Remove use_all parameter.
2658         (scalarize_use): Likewise.  Re-expand assignment to
2659         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2660         output, and re-scalarize after output.  Don't mark anything
2661         for no warning.
2662         (scalarize_ldst): Adjust.
2663         (scalarize_walk_gimple_modify_statement): Likewise.
2664         (build_element_name_1): Handle BIT_FIELD_REFs.
2665         (instantiate_element): Don't warn for any element whose parent
2666         is used as a whole.
2667         (instantiate_missing_elements_1): Return the sra_elt.
2668         (canon_type_for_field): New.
2669         (try_instantiate_multiple_fields): New.
2670         (instantiate_missing_elemnts): Use them.
2671         (mark_no_warning): Removed.
2672         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2673         (REPLDUP, sra_build_elt_assignment): New.
2674         (generate_copy_inout): Use them.
2675         (generate_element_copy): Likewise.  Handle bitfld differences.
2676         (generate_element_zero): Don't recurse for blocks.  Use
2677         sra_build_elt_assignment.
2678         (generate_one_element_int): Take elt instead of var.  Use
2679         sra_build_elt_assignment.
2680         (generate_element_init_1): Adjust.
2681         (scalarize_use, scalarize_copy): Use REPLDUP.
2682         (scalarize_ldst): Move assert before dereference.
2683         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2684
2685 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2686
2687         * regmove.c: Fix unused variable warnings due to previous commit.
2688
2689 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2690
2691         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
2692         (regmove_bb_head): Remove.
2693         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
2694         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
2695         problems with fixup_match_1.
2696         Don't initialize/free regmove_bb_head.
2697
2698         (reg_is_remote_constant_p): If an insn is in the same basic block
2699         but not before INSN, consider it remote, too.
2700
2701 2007-04-05  Anatoly Sokolov <aesok@post.ru>
2702
2703         PR target/25448
2704         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
2705         DECL_ASSEMBLER_NAME, not the DECL_NAME.
2706
2707 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
2708
2709         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
2710         (CONDITIONAL_REGISTER_USAGE): Likewise.
2711
2712 2007-04-04  Richard Henderson  <rth@redhat.com>
2713
2714         * config/alpha/lib1funcs.asm: Remove unused file.
2715
2716 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2717
2718         PR other/31356
2719         * opts.c (print_specific_help): Fix --help=<language>
2720         header line.
2721         (common_handle_option): Support --help=common.
2722
2723 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2724
2725         PR other/31353
2726         * gcc.c (main): Do not run the linker if
2727         print_subprocess_help indicates that it shouldn't be
2728         run.
2729
2730 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2731
2732         PR doc/31355
2733         * doc/invoke.texi (--help=): Document <languages> value, fix
2734         formatting in tables of values.
2735
2736 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
2737
2738         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
2739         dllimport attribute of virtual methods.
2740
2741 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
2742
2743         * config/score/crti.asm: Change _bss_start to __bss_start.
2744         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
2745         (OUTGOING_REG_PARM_STACK_SPACE) update.
2746         * config/score/score.opt: add options to make backend support
2747         score5, score5u, score7 and score7d.
2748         * config/score/score.md: Likewise.
2749         * config/score/misc.md: Likewise.
2750         * config/score/mac.md: Likewise.
2751         * doc/invoke.texi: Likewise.
2752         * doc/md.texi: update constraints define.
2753
2754 2007-04-03  Richard Henderson  <rth@redhat.com>
2755
2756         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
2757         an appropriate type, use the mode instead.
2758
2759 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
2760
2761         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
2762         Set the default --with-arch setting to mips2.
2763         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
2764         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
2765         (MULTILIB_OSDIRNAMES): Delete.
2766         (MULTILIB_DIRNAMES): Define.
2767         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
2768         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
2769         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
2770         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
2771         VXWORKS_OS_CPP_BUILTINS.
2772         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
2773         (MIPS_DEBUGGING_INFO): Undefine.
2774         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
2775
2776 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
2777
2778         PR middle-end/30704
2779         * fold-const.c (native_encode_real): Encode real.c provided longs
2780         as a series of 32-bit native integers.
2781         (native_interpret_real): Interpret buffer as a series of 32-bit
2782         native integers.
2783
2784 2007-04-03  Richard Guenther  <rguenther@suse.de>
2785
2786         * genpreds.c (write_insn_constraint_len): Write function
2787         optimized for CONSTRAINT_LEN implementation.
2788         (write_tm_preds_h): Output insn_constraint_len inline and
2789         use it for CONSTRAINT_LEN.
2790         (write_insn_preds_c): Don't output insn_constraint_len.
2791         * doc/md.texi (define_register_constraint): Document multi-letter
2792         constraints shall have the same length if they start with the same
2793         letter.
2794
2795 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2796
2797         PR target/31175
2798         * config/i386/i386.md (isinf<mode>2): Expand only when
2799         TARGET_C99_FUNCTIONS is set.
2800
2801 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2802
2803         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
2804         (x86_64-*-linux*): Ditto.
2805         * config/i386/i386.opt (mpc): New option.
2806         * config/i386/i386.c (overrride_options): Handle
2807         ix87_precision_string.
2808         * config/i386/crtprec.c: New file.
2809         * config/i386/t-crtpc: Ditto.
2810         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
2811         and -mpc80 options.
2812         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
2813         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2814         crtprec32.o, crtprec64.o and crtprec80.o.
2815
2816         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
2817         and -mpc80 options.
2818         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
2819
2820 2007-04-02  Eric Christopher  <echristo@apple.com>
2821
2822         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
2823         limitations on darwin.
2824
2825 2007-04-02  Anatoly Sokolov <aesok@post.ru>
2826
2827         PR target/31137
2828         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
2829
2830 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2831
2832         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
2833
2834 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2835
2836         * libgcc2.h (exception_descriptor): Don't forward-declare.
2837         (__get_eh_table_language, __get_eh_table_version): Delete
2838         prototypes of long-dead functions.
2839
2840 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
2841
2842         * ebitmap.h: New file
2843         * ebitmap.c: New file
2844         * Makefile.in (ebitmap.o): New target.
2845
2846 2007-04-01  Jan Hubicka  <jh@suse.cz>
2847
2848         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
2849         before very first instruction.
2850
2851 2007-04-01  Jan Hubicka  <jh@suse.cz>
2852
2853         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
2854         waring on 64bit hosts.
2855         * bitmap.h: Fix typo in bitmap_head_def.
2856
2857 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2858
2859         PR rtl-optimization/31391
2860         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
2861         into a DELETED_LABEL note, and the label is in an empty basic
2862         block, update BB_END as well as BB_HEAD.
2863
2864 2007-04-01  Richard Henderson  <rth@redhat.com>
2865
2866         PR tree-optimization/31169
2867         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
2868         to varying if the range is outside [0,  prec-1].
2869
2870 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
2871
2872         PR target/31388
2873         * config/mips/mips.md (load_const_gp): New insn.
2874         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
2875         the MIPS16 GP pseudo register if no_new_pseudos.
2876         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
2877
2878 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2879
2880         PR target/31364
2881         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
2882         secureplt.
2883         (call_value): Likewise.
2884
2885 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
2886             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2887
2888         PR 14737
2889         * doc/invoke.texi: (optimization options): Reword description
2890         of -ffast-math. Document its primary purpose.
2891
2892 2007-03-31  Richard Guenther  <rguenther@suse.de>
2893
2894         * omp-low.c (splay-tree.h): Include.
2895         (lookup_decl): Replace splay-tree usage by pointer-map.
2896         (maybe_lookup_decl): Likewise.
2897         (new_omp_context): Likewise.
2898         (delete_omp_context): Likewise.
2899         * gimplify.c (splay-tree.h): Include.
2900         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
2901         pointer-map.
2902         (remap_ssa_name): Likewise.
2903         (remap_decl): Likewise.
2904         (remap_type_1): Likewise.
2905         (remap_type): Likewise.
2906         (copy_body_r): Likewise.
2907         (expand_call_inline): Likewise.
2908         (clone_body): Likewise.
2909         (copy_tree_r): Likewise.
2910         (remap_save_expr): Likewise.
2911         (unsave_r): Likewise.
2912         (unsave_expr_now): Likewise.
2913         (tree_function_versioning): Likewise.
2914         (build_duplicate_type): Likewise.
2915         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
2916         (struct copy_body_data): Replace splay-tree by pointer-map.
2917         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
2918         not $(SPLAY_TREE_H).
2919         (gimplify.o): Depend on $(SPLAY_TREE_H).
2920         (omp-low.p): Likewise.
2921
2922 2007-03-31  Anatoly Sokolov <aesok@post.ru>
2923
2924         * config/avr/predicates.md (even_register_operand,
2925         odd_register_operand): New predicates.
2926         * config/avr/avr.md (movw peephole2): New.
2927         (movw_r peephole2): New.
2928
2929 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
2930
2931         * tree.h (get_signed_or_unsigned_type): New.
2932         * fold-const.c (operand_equal_for_comparison_p): Use
2933         get_signed_or_unsigned_type instead of
2934         lang_hooks.types.signed_or_unsigned_type.
2935         * expr.c (store_expr): Ditto.
2936         * langhooks.c (get_signed_or_unsigned_type): New.
2937         (lhd_signed_or_unsigned_type): New.
2938         * langhooks.h (lhd_signed_or_unsigned_type): New.
2939         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
2940
2941 2007-03-30  Richard Henderson  <rth@redhat.com>
2942
2943         * tree-ssa-loop-ivopts.c: Include target.h.
2944         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
2945         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
2946         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
2947         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
2948
2949 2007-03-30  Richard Henderson  <rth@redhat.com>
2950             Kai Tietz  <kai.tietz@onevision.com>
2951
2952         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
2953         default for 64-bit.
2954         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
2955         (TARGET_64BIT_MS_ABI): New.
2956         (DBX_REGISTER_NUMBER): Handle 64-bit.
2957         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
2958         (LONG_TYPE_SIZE): Force to 32.
2959         (REG_PARM_STACK_SPACE): New.
2960         (OUTGOING_REG_PARM_STACK_SPACE): New.
2961         (REGPARM_MAX, SSE_REGPARM_MAX): New.
2962         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2963         (STACK_BOUNDARY): Use 128 for 64-bit.
2964         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
2965         Add 64-bit implementation.
2966         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
2967         argument unused.
2968         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
2969         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
2970         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
2971         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
2972         (ix86_handle_cconv_attribute): Don't warn when ignoring if
2973         TARGET_64BIT_MS_ABI.
2974         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
2975         (ix86_pass_by_reference): Likewise.
2976         (ix86_function_value_regno_p): Likewise.
2977         (ix86_build_builtin_va_list): Likewise.
2978         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2979         (function_arg_advance_ms_64): New.
2980         (function_arg_advance): Call it.
2981         (function_arg_ms_64): New.
2982         (function_arg): Call it.
2983         (function_value_ms_64): New.
2984         (ix86_function_value_1): Call it.
2985         (return_in_memory_ms_64): New.
2986         (ix86_return_in_memory): Call it.
2987         (setup_incoming_varargs_ms_64): New.
2988         (ix86_setup_incoming_varargs): Call it.
2989         (ix86_expand_prologue): Handle 64-bit stack probing.
2990         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
2991         (output_pic_addr_const): Likewise.
2992         (x86_this_parameter): Likewise.
2993         (x86_output_mi_thunk): Likewise.
2994         (x86_function_profiler): Likewise.
2995         (TARGET_STRICT_ARGUMENT_NAMING): New.
2996         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
2997         (TARGET_64BIT_MS_ABI): New.
2998         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
2999         * config/i386/i386.md (allocate_stack_worker): Remove.
3000         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
3001         describe the clobber of eax without a match_scratch.
3002         (allocate_stack_worker_postreload): Remove.
3003         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
3004         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
3005         (allocate_stack_worker_rex64_postreload): Remove.
3006         (allocate_stack): Handle 64-bit.
3007         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
3008         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
3009         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
3010         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
3011         (STANDARD_STARTFILE_PREFIX_1): Likewise.
3012         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
3013         * config.build (x86_64-*-mingw*): New host.
3014         * config.host (x86_64-*-mingw*): New host.
3015         * config.gcc (x86_64-*-mingw*): New target.
3016         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
3017
3018 2007-03-30  Richard Henderson  <rth@redhat.com>
3019             Kai Tietz  <kai.tietz@onevision.com>
3020
3021         * c-pragma.c (struct def_pragma_macro_value): New.
3022         (struct def_pragma_macro): New.
3023         (pushed_macro_table): New.
3024         (dpm_hash, dpm_eq): New.
3025         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
3026         (init_pragma): Install them.
3027         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3028
3029 2007-03-30  Anatoly Sokolov <aesok@post.ru>
3030
3031         * config/avr/avr.c (avr_override_options): Clear
3032         'flag_delete_null_pointer_checks'.
3033
3034 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
3035
3036         PR c++/26099
3037         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
3038         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
3039         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
3040         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
3041         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
3042         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
3043         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
3044         C++ extensions.
3045         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
3046
3047 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
3048
3049         * regmove.c: Move all of pass_stack_adjustments from here...
3050         * combine-stack-adj.c: ...to this new file.
3051         * Makefile.in: Add rules for combine-stack-adj.o.
3052
3053 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
3054
3055         PR tree-optimization/31383
3056         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
3057         to have the same length.
3058
3059 2007-03-30  Jan Hubicka  <jh@suse.cz>
3060
3061         PR middle-end/30700
3062         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
3063         availablility; add more sanity checking; ask varpool only about
3064         VAR_DECL.
3065
3066 2007-03-29  Richard Henderson  <rth@redhat.com>
3067
3068         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
3069         to decide, but __SIZEOF_LONG_LONG__.
3070
3071 2007-03-29  Richard Henderson  <rth@redhat.com>
3072
3073         * emutls.c (struct __emutls_array): New.
3074         (emutls_destroy): Use it instead of casting element 0 from void*.
3075         (__emutls_get_address): Likewise.
3076
3077 2007-03-29  Richard Henderson  <rth@redhat.com>
3078
3079         * varasm.c (initializer_constant_valid_p): Don't deny
3080         DECL_DLLIMPORT_P on functions.
3081
3082         * config/i386/cygming.h: Remove function declarations.
3083         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
3084         (ASM_OUTPUT_LABELREF): Remove.
3085         (COMMON_ASM_OP): Remove.
3086         (ASM_OUTPUT_COMMON): Remove.
3087         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
3088         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
3089         (ASM_DECLARE_FUNCTION_NAME): Likewise.
3090         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
3091         Rename from TARGET_ENCODE_SECTION_INFO.
3092         * config/i386/netware.h: Likewise.
3093         * config/i386/i386-protos.h: Update.
3094         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
3095         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
3096         (legitimate_constant_p): Reject dllimports.
3097         (dllimport_map, get_dllimport_decl): New.
3098         (legitimize_dllimport_symbol): New.
3099         (legitimize_address, ix86_expand_move): Use it.
3100         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
3101         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
3102         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
3103         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
3104         * config/i386/predicates.md (constant_call_address_operand): Only
3105         accept symbols; reject dllimport_p symbols.
3106         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
3107         i386_pe_maybe_record_exported_symbol.
3108         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
3109         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
3110         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
3111         trust the setting of DECL_DLLIMPORT_P.
3112         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
3113         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
3114         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
3115         tidy the argument scanning loop.
3116         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
3117         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
3118         (i386_pe_strip_name_encoding): Remove.
3119         (i386_pe_binds_local_p): New.
3120         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
3121         (i386_pe_output_labelref): Remove.
3122         (i386_pe_asm_output_aligned_decl_common): New.
3123         (i386_pe_maybe_record_exported_symbol): Rename from
3124         i386_pe_record_exported_symbol; check for dllexported symbols.
3125
3126 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
3127
3128         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
3129         add comment explaining why vsnprintf cannot be used.
3130
3131 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
3132
3133         PR tree-optimization/30666
3134         * tree.c (build_complex_type): When creating type names for DWARF2
3135         debug info, create TYPE_DECLs for TYPE_NAME instead of
3136         IDENTIFIER_NODEs.
3137         (build_common_tree_nodes_2): Use build_complex_type when building
3138         predefined complex types, to preserve canonical types.
3139
3140 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3141
3142         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
3143         (noce_get_alt_condition): Look at it to determine whether to
3144         reverse the condition or not.
3145         (noce_get_condition): Substitute the truth for lies.
3146         (noce_find_if_block): Set the then_else_reversed field.
3147
3148 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
3149
3150         * config/fr30/fr30.md (movdi): Do not accept immediates as the
3151         destination of this insn.
3152         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
3153         than calling gen_rtx_SET directly.  Use r0 to hold the value of
3154         'address + 4' rather than a stack based temporary which can be
3155         mis-optimized away.
3156
3157 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3158
3159         * config/s390/s390.c (s390_secondary_input_reload_class,
3160         s390_secondary_output_reload_class): Functions removed.
3161         (s390_secondary_reload): New function.
3162         (TARGET_SECONDARY_RELOAD): Target macro defined.
3163         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
3164         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
3165         * config/s390/s390.md ("reload_outti", "reload_outdi",
3166         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
3167         "reload_out<mode>"): Expanders removed.
3168         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
3169         "reload<mode>_nonoffmem_out"): Expanders added.
3170
3171 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3172
3173         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
3174         SRC->DEST replacement failed anyway.
3175
3176 2007-03-28  Mike Stump  <mrs@apple.com>
3177
3178         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
3179         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
3180         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
3181
3182 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3183
3184         * config.gcc: Accept barcelona as a variant of amdfam10.
3185         * config/i386/i386.c (override_options): Likewise.
3186         * doc/invoke.texi: Likewise.
3187
3188 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
3189
3190         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
3191         offsets for BIT_FIELD_REF and COMPONENT_REF.
3192
3193 2007-03-28  Richard Guenther  <rguenther@suse.de>
3194
3195         * tree.c (is_global_var): Move ...
3196         * tree-flow-inline.h (is_global_var): ... here.
3197         * tree.h (is_global_var): Remove declaration.
3198
3199 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
3200
3201         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
3202         option.
3203         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
3204         * config/i386/i386.c (ix86_tune_features): Initialize new
3205         tuning option.
3206         * config/i386/predicates.md (promotable_binary_operator): Use
3207         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
3208
3209 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3210
3211         PR target/31380
3212         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
3213
3214 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
3215
3216         * config/fr30/fr30.md (movsi_internal): Change destination
3217         constraint from m to V and add m to the end.
3218
3219 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3220
3221         * config/sh/sh.md (movsi_i): Fix type attribute.
3222
3223 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3224
3225         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
3226         (movsf_ie): Likewise.
3227
3228 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3229
3230         * config.gcc: Add sh4-300 to multilib.
3231         * config/sh/t-mlib-sh4-300: New file.
3232
3233 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
3234
3235         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
3236         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
3237         fix_trunc<mode>di2.
3238         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
3239         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
3240         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
3241         "fixuns_trunctddi2"): Whitespace fix.
3242
3243 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3244
3245         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
3246         the definition of struct sh_args.
3247         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
3248         CALL_COOKIE_INT_REG_GET): Likewise.
3249
3250 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
3251
3252         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
3253         transformations are applied successfully.
3254
3255 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
3256
3257         * tree.c (tree_contains_struct): Permit 512 tree codes.
3258         * tree.h (tree_contains_struct): Ditto.
3259         (MAX_TREE_CODES): Ditto.
3260         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
3261         SPARE member to store remaining padding bits.
3262
3263 2007-03-27  Anatoly Sokolov <aesok@post.ru>
3264
3265         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
3266         architecture.
3267
3268 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
3269
3270         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
3271         * configure: Regenerate.
3272
3273         * configure: Regenerate using the correct version of autoconf.
3274
3275 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
3276
3277         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
3278         pointer regs.
3279         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
3280         regs to "__SP_L__" and "__SP_H__".
3281
3282 2007-03-27  Richard Guenther  <rguenther@suse.de>
3283
3284         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
3285         computations with it with a HOST_WIDE_INT variable.
3286
3287 2007-03-26  Mike Stump  <mrs@apple.com>
3288
3289         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
3290         objective-c-header, objective-c++-header and objc++-cpp-output
3291         support.
3292         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3293
3294 2007-03-26  Richard Henderson  <rth@redhat.com>
3295
3296         PR target/31361
3297         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
3298         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
3299         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
3300         IX86_BUILTIN_PSRLQ128): New.
3301         (ix86_init_mmx_sse_builtins): Add them.
3302         (ix86_expand_builtin): Expand them.
3303         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
3304         operand 2 be TImode.
3305         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
3306         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3307         _mm_srli_epi64): Mark __B const.
3308         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
3309         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
3310         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
3311         new two-vector shift builtins.
3312
3313 2007-03-26  Ian Lance Taylor  <iant@google.com>
3314
3315         PR tree-optimization/31345
3316         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
3317         [+INF, +INF(OVF)] into VARYING.
3318
3319 2007-03-26  Zack Weinberg  <zackw@panix.com>
3320
3321         * gengtype-parse.c: New file.
3322         * gengtype-yacc.y: Delete.
3323         * gengtype-lex.l: Don't include gengtype-yacc.h.
3324         Define YY_DECL and yyterminate appropriately for recursive
3325         descent parser.  yylval is now a string out-parameter to yylex.
3326         (HWS, EOID): New shorthand.
3327         (IWORD): Add a couple more types.
3328         (yylex): Add a setup stanza.  Remove the complex rules for
3329         detecting GTY'ed types and typedefs; replace with simple
3330         keyword detectors.  Adjust everything for the changed
3331         definition of yylval.  Ignore all pp-directives, not just #define.
3332         (yyerror): Delete.
3333         (parse_file): Rename yybegin; do not call yyparse.
3334         (yyend): New.
3335         * gengtype.c (xasprintf): Export again.
3336         (this_file): New.  Use everywhere __FILE__ was being used.
3337         (get_lang_bitmap): Special case types defined in gengtype.c.
3338         (do_typedef, new_structure): Suppress definition of certain types.
3339         (new_structure): Improve diagnostics of duplicate definitions.
3340         Make sure location_s is associated with input.h.
3341         (nreverse_pairs, define_location_structures): New functions.
3342         (main): Improve tagging of kludge types.  Remove old kludges
3343         for input.h types; use define_location_structures.
3344         * gengtype.h: Update prototypes.  Define token codes here.
3345         * Makefile.in: Remove all references to gengtype-yacc.
3346         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
3347         and gengtype.
3348         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3349         add GTY((skip)) to the field that's only conditionally there.
3350         * doc/install.texi: Document that Bison is no longer required
3351         unless building treelang.
3352
3353         * gengtype.c: Don't include gtyp-gen.h.
3354         (srcdir): Declare here.
3355         (base_files, lang_dir_names): Allocate dynamically.
3356         (gt_files, num_gt_files, num_lang_dirs): New globals.
3357         (measure_input_list, read_input_line, read_input_list)
3358         (set_lang_bitmap): New functions.
3359         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3360         simplify, relying on read_input_list to set up the bitmaps.
3361         (main): Arguments are no longer unused.  Check for correct number
3362         of command line arguments, set srcdir and srcdir_len, then call
3363         read_input_list, before doing anything else.  No need to worry
3364         about duplicates in main loop.
3365         * configure.ac: Simplify the calculation of all_gtfiles.
3366         Put language tags in there.  Don't set or substitute
3367         all_gtfiles_files_langs or all_gtfiles_files_frags.
3368         * Makefile.in: Revamp the way gengtype is invoked, now that it
3369         takes a file on its command line with a much simpler format.
3370         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3371         (GTFILES): Remove duplicates and C source files.
3372         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3373         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3374         * configure: Regenerate.
3375
3376         * gengtype.h: Remove all type definitions to gengtype.c; leave
3377         only definitions of options_p, type_p, and pair_p as opaque
3378         pointers.  Update prototypes.
3379         * gengtype.c: Many type definitions moved here from gengtype.h.
3380         Consolidate type definitions at the top of the file.
3381         (xvasprintf): Delete.
3382         (xasprintf): Make static.
3383         (create_nested_pointer_option): Add 'next' parameter.
3384         (create_field_all, create_field_at): New functions.
3385         (create_field): Now a thin wrapper around create_field_all.
3386         (create_optional_field): Rename create_optional_field_ and add
3387         line argument.  Original name is now a macro which supplies
3388         __LINE__.
3389         (oprintf): Use vsnprintf directly.
3390         (close_output_files): Use fatal rather than perror/exit.
3391         (note_def_vec, note_def_vec_alloc): Use create_field_at.
3392         (main): Set progname.  Don't use exit.
3393         * gengtype-yacc.y (struct_fields): Use create_field_at.
3394         (option, optionseqopt): Delete.
3395         (optionseq): Consolidate productions from option here so we
3396         can use the first argument to create_option.
3397
3398         * gengtype-lex.l: Distinguish unions from structures in the
3399         token type.  Don't call find_structure; return the tag as a string.
3400         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
3401         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
3402         Reorganize typedef_struct production accordingly.
3403         Use create_nested_ptr_option.
3404         * gengtype.c (create_nested_ptr_option): New function.
3405         * gengtype.h: Declare it.
3406
3407         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
3408         (string_type): Don't declare.
3409         (do_scalar_typedef): Declare.
3410         (create_scalar_type): Update prototype.
3411         * gengtype.c (string_type): Make static.
3412         (scalar_nonchar, scalar_char): New.
3413         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
3414         (resolve_typedef): Use scalar_nonchar for error recovery.
3415         (create_scalar_type): Remove name_len field.  Return scalar_char
3416         or scalar_nonchar as appropriate.
3417         (adjust_field_type): Look at scalar_is_char boolean to decide whether
3418         to use string_type.
3419         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3420         whenever possible.
3421         (main): Initialize scalar_char and scalar_nonchar before calling
3422         gen_rtx_next.
3423         * gengtype-lex.l: Adjust for removal of second argument to
3424         create_scalar_type.  Use yylval.s instead of yylval.t when
3425         returning SCALAR.
3426         * gengtype-yacc.y: Type of SCALAR is string.  Call
3427         create_scalar_type from type:SCALAR rule.  Adjust for removal of
3428         second argument to create_scalar_type.
3429
3430         * vec.h: Remove all #if IN_GENGTYPE blocks.
3431         Add comment saying that changes may require adjustments to gengtype.
3432         * gengtype.c: Don't include coretypes.h or tm.h.
3433         Add comment to inclusion of errors.h.
3434         (note_def_vec, note_def_vec_alloc): New functions.
3435         * gengtype.h: Declare new functions.
3436         * gengtype-lex.l: Don't include coretypes.h.
3437         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
3438         Delete.
3439         (update_lineno): Remove unnecessary prototype.
3440         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
3441         (VEC rule): Just return VEC_TOKEN.
3442         * gengtype-yacc.y (VEC_TOKEN): New token type.
3443         (type): Add a production for VEC(a,b).
3444         * Makefile.in: Update dependencies.
3445
3446         * gengtype-lex.l: Remove rules for parsing pointer-to-function
3447         typedefs that use the old PARAMS macro.
3448
3449         * gengtype-lex.l: Remove all rules and states relating to yacc
3450         input files.
3451         * gengtype-yacc.y: Similarly.
3452         * gengtype.c (note_yacc_type): Delete function.
3453         * gengtype.h: Update prototypes.
3454
3455 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
3456
3457         * tree-pretty-print.c (dump_generic_node): Report precision of
3458         unnamed integer types.
3459
3460 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
3461
3462         * ifcvt.c (noce_try_store_flag_constants): Don't check
3463         no_new_pseudos here.
3464         (noce_try_store_flag_constants): Don't check no_new_pseudos.
3465         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
3466         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
3467         noce_try_sign_mask): Likewise.
3468         (if_convert): Check no_new_pseudos here.
3469
3470         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
3471         Remove prototypes.
3472         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
3473         (noce_get_condition): Handle new then_else_reversed argument.
3474         (noce_init_if_info): Remove, fold into noce_find_if_block.
3475         (noce_process_if_block): Take a struct noce_if_info as the
3476         argument.  Don't set up one based on ce_if_info.  Update pointer
3477         references accordingly.
3478         (cond_move_process_if_block): Likewise.
3479         (process_if_block): Removed.
3480         (find_if_block): Removed.  Move functionality two new functions,
3481         noce_find_if_block and cond_exec_find_if_block.
3482         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
3483         blocks and the symmetric IF-ELSE-JOIN case.
3484         (cond_exec_find_if_block): Also new function mostly based on old
3485         find_if_block and process_if_block.
3486         (find_if_header): Replace find_if_block call with separately
3487         guarded calls to noce_find_if_block and cond_exec_find_if_block.
3488         (find_cond_trap): Update noce_get_condition call.
3489         (dead_or_predicable): Likewise.
3490
3491 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
3492
3493         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
3494         Remove.
3495         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
3496         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
3497         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
3498         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
3499         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
3500         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
3501         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
3502         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
3503         __builtin_ia32_psrad128 builtins.
3504
3505 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
3506
3507         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
3508         * config/i386/constraints.md
3509         (define_constraint "I"): Use IN_RANGE macro.
3510         (define_constraint "J"): Ditto.
3511         (define_constraint "K"): Ditto.
3512         (define_constraint "M"): Ditto.
3513         (define_constraint "N"): Ditto.
3514         (define_constraint "O"): Ditto.
3515         * config/i386/predicates.md
3516         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
3517         (define_predicate "const_0_to_3_operand"): Ditto.
3518         (define_predicate "const_0_to_7_operand"): Ditto.
3519         (define_predicate "const_0_to_15_operand"): Ditto.
3520         (define_predicate "const_0_to_63_operand"): Ditto.
3521         (define_predicate "const_0_to_255_operand"): Ditto.
3522         (define_predicate "const_1_to_31_operand"): Ditto.
3523         (define_predicate "const_2_to_3_operand"): Ditto.
3524         (define_predicate "const_4_to_7_operand"): Ditto.
3525
3526 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3527
3528         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
3529         in SImode for save_world.
3530         * config/rs6000/altivec.md (save_world, restore_world): Convert to
3531         LR hard reg.
3532
3533 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
3534
3535         PR tree-optimization/30784
3536         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
3537         BIT_FIELD_REF.
3538
3539 2007-03-25  Revital Eres  <eres@il.ibm.com>
3540
3541         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
3542           Fold movement_possibility function into it.
3543
3544 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3545
3546         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
3547         (load_macho_picbase_{si,di}): Convert to LR hard reg.
3548         (call_indirect_nonlocal_darwin64): Same.
3549         (call_nonlocal_darwin64): Same.
3550         (call_value_indirect_nonlocal_darwin64): Same.
3551         (call_value_nonlocal_darwin64): Same.
3552         (sibcall_nonlocal_darwin64): Same.
3553         (sibcall_value_nonlocal_darwin64): Same.
3554         (sibcall_symbolic_64): Same.
3555         (sibcall_value_symbolic_64): Same.
3556         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
3557         LR pseudo.
3558         (rs6000_emit_load_toc_table): Same.
3559         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
3560         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
3561         (mull_call): Same.
3562         (divss_call): Same.
3563         (divus_call): Same.
3564         (quoss_call): Same.
3565         (quous_call): Same.
3566         (load_toc_v4_pic_si): Same
3567         (load_toc_v4_PIC_1): Same.
3568         (load_toc_v4_PIC_1b): Same.
3569         (call_indirect_aix{32,64}): Same.
3570         (call_value_indirect_aix{32,64}): Same.
3571         (call): Same.
3572         (call_value): Same.
3573         (call_local{32,64}): Same.
3574         (call_value_local{32,64}): Same.
3575         (call_indirect_nonlocal_aix{32,64}): Same.
3576         (call_nonlocal_aix{32,64}): Same.
3577         (call_value_indirect_nonlocal_aix{32,64}): Same.
3578         (call_value_nonlocal_aix{32,64}): Same.
3579         (call_indirect_nonlocal_sysv<mode>): Same.
3580         (call_nonlocal_sysv<mode>): Same.
3581         (call_value_indirect_nonlocal_sysv<mode>): Same.
3582         (call_value_nonlocal_sysv<mode>): Same.
3583         (sibcall): Same.
3584         (sibcall_local{32,64}): Same.
3585         (sibcall_value_local{32,64}): Same.
3586         (sibcall_nonlocal_aix{32,64}): Same.
3587         (sibcall_value_nonlocal_aix{32,64}): Same.
3588         (sibcall_nonlocal_sysv<mode>): Same.
3589         (sibcall_value): Same.
3590         (sibcall_value_nonlocal_sysv<mode>): Same.
3591
3592 2007-03-24  Paul Brook  <paul@codesourcery.com>
3593
3594         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3595         * config/arm/linux-eabi.h: Remove legacy syscall hack.
3596
3597 2007-03-24  Richard Henderson  <rth@redhat.com>
3598
3599         * config/ia64/constraints.md: New file.
3600         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3601         satisfies_constraint_?.
3602         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3603         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3604         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3605         ia64_output_mi_thunk): Likewise.
3606         (ia64_const_ok_for_letter_p): Remove.
3607         (ia64_const_double_ok_for_letter_p): Remove.
3608         (ia64_extra_constraint): Remove.
3609         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3610         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3611         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3612         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3613         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3614         EXTRA_MEMORY_CONSTRAINT): Remove.
3615         * config/ia64/ia64.md: Include constriants.md.  Replace
3616         CONST_OK_FOR_? with satisfies_constraint_?.
3617
3618 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
3619             H.J. Lu  <hongjiu.lu@intel.com>
3620
3621         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3622         DPD or BID name.
3623         (name macros): Use DPD_BID_NAME to convert names properly.
3624
3625         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3626         decimal floating point format.
3627         (init_floating_libfuncs): Change decimal functions so that they
3628         have a "bid_" prefix if the decimal system uses the BID format,
3629         and "dpd_" prefix if the decimal system uses the DPD format.
3630         (init_interclass_conv_libfuncs): Ditto.
3631         (init_intraclass_conv_libfuncs): Ditto.
3632
3633         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3634         using the BID format.
3635
3636         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3637         whether we are using the BID decimal format.
3638         * configure: Regenerate.
3639
3640         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3641         the compiler has decimal floating point enabled.  Define
3642         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3643         instead of DPD.
3644
3645         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3646         using the BID format.
3647
3648         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3649         whether we are using the BID decimal format.
3650         * configure: Regenerate.
3651
3652         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3653         the compiler has decimal floating point enabled.  Define
3654         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3655         instead of DPD.
3656
3657         * doc/install.texi (--enable-decimal-float): Document BID and DPD
3658         options, and that it is enabled for i386/x86_64 systems.
3659
3660         * Makefile.in (enable_decimal_float): New.
3661         (DECNUMFMT): New.
3662         (DECNUMINC): Add  -I$(DECNUMFMT).
3663         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
3664         to $(DECNUMFMT) from $(DECNUM).
3665
3666         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
3667         Substitute enable_decimal_float.
3668         * configure: Regenerated.
3669
3670         PR other/30529
3671         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
3672         unsigned long.
3673
3674         * configure.ac: Enable decimal float for x86_64-*-linux*.
3675         * configure: Regenerated.
3676
3677         PR other/30530
3678         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
3679         decimal128ClearSign to flip and clear the sign bit in decimal128.
3680         (decimal_real_maxval): Set decimal128SetSign to set the sign
3681         bit in decimal128.
3682
3683 2007-03-23  Ian Lance Taylor  <iant@google.com>
3684
3685         * fold-const.c (fold_binary): Correct warning for X - c >= X.
3686
3687 2007-03-23  Ian Lance Taylor  <iant@google.com>
3688
3689         * tree-dump.c (dump_files): Correct comment.
3690
3691 2007-03-23  Ian Lance Taylor  <iant@google.com>
3692
3693         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
3694
3695 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
3696
3697         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
3698         in cfglayout mode.  Don't go into and out of cfglayout mode.
3699         Link the blocks in the order of the constructed traces.
3700         (rest_of_handle_tracer): Adjust call to tracer.
3701         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
3702         Don't go into cfglayout mode.
3703         (rtl_loop_done): Don't go out of cfglayout mode.
3704         * cfglayout.c (relink_block_chain): New function, split out from...
3705         (fixup_reorder_chain): ...here.  Remove redundant checking.
3706         (cfg_layout_finalize): Don't clear the header, footer, and aux
3707         fields here, move the code to do so to relink_block_chain.  Likewise
3708         for free_original_copy_tables.
3709         * rtl.h (tracer): Update prototype.
3710         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
3711         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
3712         mode.  Use relink_block_chain to serialize the CFG according to the
3713         new basic block order.  Move targetm.cannot_modify_jumps_p check from
3714         here...
3715         (gate_handle_reorder_blocks): ...to here.
3716         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
3717         from here...
3718         (gate_duplicate_computed_gotos): ...to here.
3719         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
3720         something always changes when going into and out of cfglayout mode.
3721         Perform an expensive cfg cleanup while going into cfglayout mode.
3722         Always update liveness information on HAVE_conditional_execution
3723         targets.  Reserialize the basic blocks and go out of cfglayout mode.
3724         * reg-stack.c: Include cfglayout.h.
3725         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
3726         the call to reorder_basic_blocks.
3727         * basic-block.h (reorder_basic_blocks): Update prototype.
3728         (relink_block_chain): New prototype.
3729         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
3730
3731 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
3732
3733         * config/mips/mips.md (type, hazard, *movdi_32bit,
3734         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
3735         *movhi_internal, *movqi_internal, *movsf_hardfloat,
3736         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
3737         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
3738         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
3739         applicable.
3740         (movcc): Change first xfer to multi.
3741         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
3742         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
3743         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
3744         config/mips/generic.md: Change reservations using "xfer" to use
3745         "mfc,mtc".
3746         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
3747         using match_operand.
3748         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
3749         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
3750         examining mode.
3751         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
3752
3753 2007-03-22  Richard Henderson  <rth@redhat.com>
3754
3755         * config/i386/i386.c: Remove unnecessary function declarations.
3756         Move targetm definition, and all related macros, to the end of
3757         the file.  Resort some functions to put definitions before uses.
3758         (ix86_attribute_table): Make static.  Move to end of file.
3759         (ix86_gimplify_va_arg): Make static.
3760
3761 2007-03-22  Richard Henderson  <rth@redhat.com>
3762
3763         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
3764         don't increase local_regparm with force_align_arg_pointer check.
3765         (ix86_function_sseregparm): Assert 32-bit.
3766         (type_has_variadic_args_p): New.
3767         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
3768         type_has_variadic_args_p.
3769         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
3770         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
3771         use memset instead.  Do maybe_vaarg check first; skip attribute
3772         tests if true; skip attribute tests for 64-bit.
3773         (construct_container): Remove TARGET_DEBUG_ARG.
3774         (function_arg_advance_32, function_arg_advance_64): Split out ...
3775         (function_arg_advance): ... from here.
3776         (function_arg_32, function_arg_64): Split out ...
3777         (function_arg): ... from here.
3778         (ix86_pass_by_reference): Tidy.
3779         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
3780         (function_value_32): New, from parts of ix86_function_value
3781         and ix86_value_regno.
3782         (function_value_64): New, from parts of ix86_function_value
3783         and ix86_libcall_value.
3784         (ix86_function_value_1): New.
3785         (ix86_function_value, ix86_libcall_value): Use it.
3786         (return_in_memory_32, return_in_memory_64): Split out ...
3787         (ix86_return_in_memory): ... from here.
3788         (ix86_struct_value_rtx): Skip for 64-bit.
3789         (ix86_libcall_value, ix86_value_regno): Remove.
3790         (setup_incoming_varargs_64): Split out ...
3791         (ix86_setup_incoming_varargs): ... from here.
3792         (ix86_va_start): Remove TARGET_DEBUG_ARG.
3793         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
3794         * config/i386/i386-protos.h (ix86_function_value): Remove.
3795         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
3796
3797 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3798
3799         PR other/23572
3800         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
3801         infinities not supported, otherwise emit warning if -Woverflow. On
3802         underflow, emit warning if -Woverflow.
3803         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
3804         and 0 otherwise.
3805         * real.h (real_from_string): Update declaration
3806
3807 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
3808             Richard Henderson  <rth@redhat.com>
3809
3810         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
3811         * calls.c (compute_argument_block_size, expand_call,
3812         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
3813         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
3814         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
3815         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
3816         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
3817         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
3818         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
3819         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
3820         Set to 1.
3821
3822 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
3823
3824         * c-incpath.c (add_sysroot_to_chain): New.
3825         (merge_include_chains): Add sysroot argument.  Call
3826         add_sysroot_to_chain if sysrooted.
3827         (register_include_chains): Update call to merge_include_chains.
3828         * doc/cppopts.texi: Document use of '=' in include directory
3829         arguments.
3830
3831 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
3832
3833         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
3834         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
3835         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
3836         insn pattern using X87MODEF12 mode macro.
3837
3838 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
3839
3840         * regmove.c (regmove_optimize): Use reg_mentioned_p
3841         instead of reg_overlap_mentioned_p for DST.
3842
3843 2007-03-21  Mike Stump  <mrs@apple.com>
3844
3845         * c.opt: Fixup for Objective-C/C++.
3846
3847 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
3848
3849         * explow.c (convert_memory_address): Fold memory reference when
3850         POINTERS_EXTEND_UNSIGNED < 0
3851
3852 2007-03-21  Richard Henderson  <rth@redhat.com>
3853
3854         PR target/31245
3855         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
3856         * config/i386/mmintrin.h (__m64): Likewise.
3857         * config/i386/xmmintrin.h (__m128): Likewise.
3858
3859 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3860
3861         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
3862         (VXWORKS_OS_CPP_BUILTINS): Define.
3863         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
3864         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
3865
3866 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3867
3868         * rtl.h (constant_pool_reference_p): Delete.
3869         (find_constant_src): Declare.
3870         * rtlanal.c (find_constant_src): New function.
3871         * simplify-rtx.c (constant_pool_reference_p): Delete.
3872         * config/i386/i386.md: Use find_constant_src instead of
3873         constant_pool_reference_p/avoid_constant_pool_reference pairs.
3874
3875 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3876
3877         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
3878         * c-cppbuiltin.c (c_cpp_builtins): Define them.
3879
3880 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
3881
3882         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
3883         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
3884         (arm_elf_asm_constructor): Use it.
3885         (arm_elf_asm_destructor): New function.
3886
3887 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3888
3889         * jump.c (mark_jump_label): Treat SEQUENCE specially.
3890
3891 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
3892
3893         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
3894
3895 2007-03-19  Andrew Haley  <aph@redhat.com>
3896
3897         PR tree-optimization/31264
3898         * tree-vrp.c (register_edge_assert_for_1): Don't look though
3899         VIEW_CONVERT_EXPRs.
3900
3901 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
3902
3903         PR rtl-optimization/30907
3904         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
3905         (fwprop_init): Always call loop_optimizer_initialize.
3906         (fwprop_done): Always call loop_optimizer_finalize.
3907         (fwprop): We always have loop info now.
3908         (gate_fwprop_addr): Remove.
3909         (pass_fwprop_addr): Use gate_fwprop as gate.
3910
3911         PR rtl-optimization/30841
3912         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
3913         df_chain_alloc): Call df_reorganize_refs unconditionally.
3914         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
3915         refs_organized to refs_organized_size.
3916         (df_ref_create_structure): Use refs_organized_size instead of
3917         bitmap_size if refs had been organized, and keep refs_organized_size
3918         up-to-date.
3919         * df.h (struct df_ref_info): Change refs_organized to
3920         refs_organized_size.
3921         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
3922         bitmap_size.
3923
3924 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
3925
3926         * except.c (output_function_exception_table): Do not reference the
3927         EH personality routine for functions that do not require an
3928         exception table.
3929
3930 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
3931
3932         PR c/30762
3933         * c-typeck.c (convert_for_assignment): Call comptypes for
3934         RECORD_TYPE or UNION_TYPE.
3935
3936         PR inline-asm/30505
3937         * reload1.c (reload): Do invalid ASM checking after
3938         cleanup_subreg_operands.
3939
3940 2007-03-19  Jeff Law  <law@redhat.com>
3941
3942         * tree-cfg.c (find_taken_edge): Tighten conditions for
3943         optimizing computed gotos.
3944
3945 2007-03-19  Michael Matz  <matz@suse.de>
3946
3947         * builtins.c (expand_builtin_sync_operation,
3948         expand_builtin_compare_and_swap,
3949         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
3950         correctly.
3951
3952         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
3953         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
3954         for operand 3.
3955
3956 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3957
3958         * doc/tm.texi: Add brackets around the return type of
3959         TARGET_SECONDARY_RELOAD.
3960
3961 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3962         Richard Guenther  <rguenther@suse.de>
3963
3964         PR tree-optimization/31254
3965         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3966         Use handled_component_p () where appropriate.  Continue
3967         propagating into the rhs if we propagated into an INDIRECT_REF
3968         on the lhs.
3969
3970 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3971
3972         * config/s390/s390.md (op_type attribute): RRR instruction type added.
3973         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
3974         (xde, xdee): Mode attributes adjusted to support DFP modes.
3975         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
3976         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
3977         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
3978         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
3979         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
3980         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3981         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
3982         numbers.
3983         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
3984         "movsf"): Insn definitions removed.
3985         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
3986         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
3987         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
3988         definitions added.
3989         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
3990         "reload_in<mode>", "reload_out<mode>"): Expander added.
3991         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
3992         Expander removed.
3993
3994 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3995
3996         * config/s390/s390.md: Only non-functional changes.  Renamed
3997         FPR mode macro to BFP all over the file.
3998
3999 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4000
4001         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
4002         (op_type attribute): RRF instruction type added.
4003         (fT0): New mode attribute.
4004         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4005         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
4006         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
4007         no secondary memory is needed when moving DFmode values between GPRs
4008         and FPRs.
4009
4010 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4011
4012         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
4013         inverted and documentation adjusted.
4014         ("mhard-dfp", "msoft-dfp"): New options.
4015         * config/s390/s390.c (s390_handle_arch_option): New architecture
4016         switch: z9-ec.
4017         (override_options): Sanity checks for the new options added.
4018         * config.gcc: New architecture switch: z9-ec.
4019         * config/s390/s390.h (processor_flags): PF_DFP added.
4020         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
4021         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
4022         when the bit is NOT set so remove it from the defaults.
4023
4024 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4025
4026         * genemit.c (main): Print include statement for dfp.h.
4027         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
4028         is not available.
4029
4030 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4031
4032         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
4033
4034 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4035
4036         PR target/31022
4037         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
4038         instead of PATTERN.
4039
4040 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4041
4042         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
4043         attr_length_call, output_call, output_indirect_call): Cleanup
4044         formatting of targetm calls.
4045
4046 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4047
4048         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
4049
4050 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4051
4052         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
4053         reservation, bypass and anti-bypass descriptions for these instructions.
4054         Update move patterns.
4055         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
4056         TYPE_FPSTORE.
4057
4058 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
4059
4060         * tree-vect-transform.c (get_initial_def_for_induction): Replace
4061         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
4062         (get_initial_def_for_reduction): Likewise.
4063
4064 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
4065
4066         Fix PR tree-optimization/29922
4067         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
4068         (get_representative): Removed.
4069         (value_dies_in_block_x): Update for rvuse removal.
4070         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
4071         (compute_antic_aux): Handle when PHI nodes appear in
4072         non-single-successors.
4073         (dump_bitmap_of_names): Removed.
4074         (compute_antic_safe): Renamed and removed rvuse calculation.
4075         Calculate only antic safe.
4076         (insert_into_preds_of_block): Remove assert.
4077         (execute_pre): Update for renamed functions.
4078         (defer_or_phi_translate_block): New function.
4079
4080 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4081
4082         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
4083         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
4084         typos.
4085         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
4086         Follow spelling conventions.
4087
4088         * tree-data-ref.h: Remove the prototype for analyze_array.
4089
4090 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
4091
4092         PR tree-optimization/31041
4093         * tree-vect-transform.c (get_initial_def_for_induction): Call
4094         force_gimple_operand.
4095
4096 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
4097
4098         * ipa-type-escape.c (look_for_casts) : Revert code to use
4099         handled_component_p due to ada test a-numaux.adb.
4100
4101 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4102
4103         * final.c (final_scan_insn): Alter the condition of a
4104         conditional trap if we have nonstandard CC.
4105
4106 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4107
4108         * configure.ac: Remove excess quoting from asm line 0 test.
4109         * configure: Rebuilt.
4110
4111 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4112
4113         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
4114         * c-common.c (convert_and_check): Move warning logic to...
4115         (warnings_for_convert_and_check): ...here. Define.
4116         * c-common.h (warnings_for_convert_and_check): Declare.
4117
4118 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4119
4120         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
4121         (output_call): Likewise.
4122
4123 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4124
4125         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
4126
4127 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4128
4129         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
4130
4131 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
4132
4133         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
4134         opteron, athlon-64 and athlon-fx processor_alias_table entries.
4135
4136 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
4137
4138         PR tree-optimization/31183
4139         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
4140         Use double_int instead of unsigned int for representing access_strides.
4141         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
4142
4143 2007-03-16  Richard Guenther  <rguenther@suse.de>
4144
4145         PR tree-optimization/31146
4146         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
4147         to allow recursion of forward_propagate_addr_expr.
4148         (forward_propagate_addr_into_variable_array_index): Likewise.
4149         (forward_propagate_addr_expr): Likewise.
4150         (tree_ssa_forward_propagate_single_use_vars): Likewise.
4151         (forward_propagate_addr_expr_1): Recurse on simple copies
4152         instead of propagating into them.  Do so for useless conversions
4153         as well.
4154         (forward_propagate_addr_expr): Clean up unused statements after
4155         recursion.
4156
4157 2007-03-16  Richard Guenther  <rguenther@suse.de>
4158
4159         * builtins.c (expand_builtin_cexpi): Use the right argument
4160         for the expansion via cexp.
4161
4162 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4163
4164         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
4165         * configure: Rebuilt.
4166
4167 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4168
4169         PR debug/29906
4170         * dwarf2out.c (force_type_die): Adjust comment.
4171         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
4172
4173 2007-03-15  DJ Delorie  <dj@redhat.com>
4174
4175         * config/frv/predicates.md (minmax_operator): Don't check operands
4176         here.
4177
4178 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4179
4180         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
4181         Update constant estimates of number of iterations.
4182         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
4183         argument renamed to "realistic".
4184         (compute_estimated_nb_iterations): Removed.
4185         (record_niter_bound): New function.
4186         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
4187         call record_nonwrapping_iv with upper = false.
4188         (infer_loop_bounds_from_signedness): Pass upper argument to
4189         record_nonwrapping_iv.
4190         (estimate_numbers_of_iterations_loop): Do not call
4191         compute_estimated_nb_iterations.  Record estimate based on profile
4192         information.  Initialize the constant estimates of number of
4193         iterations.
4194         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
4195         estimates.
4196         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
4197         number of iterations is too small.
4198         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
4199         (EST_NOT_AVAILABLE): Removed.
4200         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
4201         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
4202         fields.
4203
4204 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4205
4206         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
4207         Handle NE_EXPR guards.
4208
4209 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4210
4211         PR c++/24924
4212         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
4213         Set also -pedantic-errors by default for the  preprocessor unless
4214         -fpermissive is given.
4215
4216 2007-03-15  Richard Guenther  <rguenther@suse.de>
4217
4218         PR middle-end/29719
4219         PR middle-end/31161
4220         * builtins.c (expand_builtin_cexpi): As a fallback if we
4221         don't have builtins for sincos or cexp create a function
4222         declaration for cexp and expand to a call to that.
4223         (expand_builtin_int_roundingfn): Always fall
4224         back to floor/ceil and its variants even if they may be
4225         not available.
4226
4227 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
4228
4229         PR middle-end/31159
4230         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
4231         jump tables, move the call to delete_dead_jumptables from here...
4232         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
4233         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
4234         don't allow merging of blocks that try_redirect_by_replacing_jump
4235         also does not handle when not optimizing.
4236
4237 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4238             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4239
4240         * config/i386/i386.md (x86_sahf_1): Correctly handle
4241         HAVE_AS_IX86_SAHF.
4242
4243 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4244
4245         PR target/31167
4246         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
4247         x86_64_general_operand as operand[2] predicate.  Remove "iF"
4248         from operand constraints and use "e" constraint instead.
4249         (*subti3_1, *subti3_1 splitter): Ditto.
4250         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
4251         operand[1] predicate.
4252
4253 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
4254
4255         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
4256         arrays, multiply the access strides by the size of the sub-array.
4257         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
4258
4259 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4260
4261         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
4262         the configured assembler supports the sahf mnemonic.
4263         * configure: Regenerate.
4264         * config.in: Regenerate.
4265
4266         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
4267         emit "sahf" or ".byte\t0x9e" as asm template.
4268
4269 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
4270
4271         PR 31018
4272         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
4273         option to replace hard coded TARGET_xxx in md file.
4274         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
4275         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4276         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
4277         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
4278         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
4279         (X86_TUNE_NOT_VECTORMODE): Ditto.
4280         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
4281         (TUNE_AVOID_VECTOR_DECODE): Ditto.
4282         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4283         (TUNE_SLOW_IMUL_IMM8): Ditto.
4284         (TUNE_MOVE_M1_VIA_OR): Ditto.
4285         (TUNE_NOT_UNPAIRABLE): Ditto.
4286         (TUNE_NOT_VECTORMODE): Ditto.
4287
4288         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
4289         options.
4290
4291         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
4292         tuning options instead of hard coded TARGET_xxx.
4293         (fix ssemode peephole2's): Ditto.
4294         (imul peephole2's): Ditto.
4295         (movsi_or): Ditto.
4296         (movdi_or_rex64): Ditto.
4297         (move peephole2): Ditto.
4298         (not peephole2's): Ditto.
4299
4300 2007-03-14  Dirk Mueller  <dmueller@suse.de>
4301
4302         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
4303         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
4304         * c-parser.c (c_parser_if_body): Always add an empty statement in case
4305         of empty body.
4306         * c-parser.c (c_parser_do_statement): Warn about empty body in
4307         do/while statement.
4308         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
4309         * doc/invoke.texi (-Wempty-body): Update documentation.
4310
4311 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4312
4313         PR c/21438
4314         * c-common.h (warn_for_div_by_zero): Declare.
4315         * c-common.c (warn_for_div_by_zero): Define.
4316         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
4317         warning.
4318
4319 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4320
4321         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
4322         to PREFIX and STANDARD_PREFIX.
4323
4324 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4325             Phil Edwards  <phil@codesourcery.com>
4326
4327         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
4328         (__gthread_once_t): Remove busy field for RTPs.
4329         (__GTHREAD_ONCE_INIT): Update accordingly.
4330
4331 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4332
4333         * doc/invoke.texi: Document VxWorks options.
4334
4335 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4336
4337         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
4338
4339 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
4340
4341         PR tree-optimization/30590
4342         * tree-nrv.c (tree_nrv): Check for the partial update of the
4343         return value.
4344
4345 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4346
4347         * flags.h (flag_random_seed): Remove declaration, in favor of...
4348         * toplev.h (get_random_seed, set_random_seed): ... these.
4349         * tree.c (get_file_function_name): Use the former.
4350         * opts.c (common_handle_option): Use the latter.
4351         * toplev.c
4352
4353 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
4354
4355         PR middle-end/31127
4356         * cse.c (cse_find_path): Do not bail out if a basic block that
4357         we already visited now becomes part of a path that starts at a
4358         different basic block.  Just disallow this, to make sure we
4359         visit each basic block at most once.
4360
4361 2007-03-13  Jan Hubicka  <jh@suse.cz>
4362
4363         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4364         when profile esitmate is present, calls with very low frequency are
4365         cold.
4366
4367 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
4368
4369         PR tree-optimization/30730
4370         PR tree-optimization/26900
4371         * tree-ssa-loop-niter.c: Include gmp.h.
4372         (bounds): New type.
4373         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4374         split_to_var_and_offset, determine_value_range,
4375         bound_difference_of_offsetted_base, refine_bounds_using_guard,
4376         bound_difference, bounds_add, bounds_negate,
4377         number_of_iterations_ne_max, dump_affine_iv): New functions.
4378         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4379         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
4380         difference of initial and final value of control iv to validate
4381         results.
4382         (number_of_iterations_cond): Add loop parameter.  Determine bounds
4383         on the difference of the extremes of the control iv.  Add dumps.
4384         (expand_simple_operations): Handle phi nodes.
4385         (simplify_using_initial_conditions): Do not record used conditions.
4386         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
4387         Do not set additional_info.
4388         (implies_nonnegative_p, implies_ge_p): Removed.
4389         (derive_constant_upper_bound): Do not use parameter `additional'.
4390         (record_estimate): Parameter `additional' removed.  Parameter
4391         `i_bound' added.  Do not call derive_constant_upper_bound.
4392         (record_nonwrapping_iv): Use derive_constant_upper_bound to
4393         bound the number of iterations estimate.
4394         (estimate_numbers_of_iterations_loop): Pass the estimate from
4395         the number of iterations analysis to record_estimate.
4396         * tree.h (multiple_of_p): Declare.
4397         * tree-scalar-evolution.c (expression_expensive_p): Removed.
4398         (scev_const_prop): Do not check expression_expensive_p.
4399         * fold-const.c (multiple_of_p): Exported.
4400         * double-int.c (double_int_mask): Exported.
4401         * double-int.h (double_int_mask): Declare.
4402         * tree-flow.h (struct tree_niter_desc): Removed additional_info
4403         field.  Added max field.
4404
4405 2007-03-13  David Taylor  <taylor@candd.org>
4406
4407         PR driver/12448:
4408         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
4409         default -MQ.
4410
4411 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4412
4413         PR target/31123
4414         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
4415         two unamed patterns.
4416
4417 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
4418
4419         * config/i386/i386.opt (mcx16, msahf): New options.
4420         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4421         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4422
4423         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4424         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4425         Output -mcx16 and -msahf options when corresponding bit is set.
4426
4427         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
4428         and -msahf options.
4429
4430 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4431
4432         * configure.ac: Test for assembler tolerance to # 0 "".
4433         * configure, config.in: Rebuilt.
4434         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
4435
4436 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
4437
4438         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
4439
4440         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
4441         (handle_syscall): Handle direct system calls.
4442         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
4443
4444 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4445
4446         * doc/invoke.texi: Fix cpp.info cross-reference.
4447         * doc/passes.texi: Fix gcc.info cross-reference.
4448
4449 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
4450
4451         PR tree-optimization/30835
4452         * lambda-code.c (can_convert_to_perfect_nest): Check whether
4453         bb_for_stmt is not NULL before accessing it.
4454
4455 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
4456
4457         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
4458         some multilibs.
4459
4460 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4461
4462         PR 30635
4463         * doc/install.texi: Document --enable-stage1-languages
4464
4465 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
4466
4467         * tree-pass.h (pass_into_cfg_layout_mode,
4468         pass_outof_cfg_layout_mode): Declare.
4469         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
4470         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
4471         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
4472         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
4473
4474 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
4475
4476         * c-decl.c (warn_variable_length_array): New function.
4477         Refactored from grokdeclarator to handle warn_vla
4478         and handle unnamed array case.
4479         (grokdeclarator): Refactored VLA warning case.
4480         * c.opt (Wvla): New flag.
4481         * doc/invoke.texi (Wvla): New warning.
4482
4483 2007-03-12  Richard Henderson  <rth@redhat.com>
4484
4485         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
4486         (TARGET_SECTION_TYPE_FLAGS): New.
4487
4488 2007-03-12  Richard Henderson  <rth@redhat.com>
4489
4490         * config/darwin.c (machopic_reloc_rw_mask): New.
4491         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
4492         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
4493
4494 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
4495
4496         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
4497         * cppdefault.h (cpp_PREFIX): Document.
4498         (cpp_PREFIX_len): Likewise.
4499         (cpp_EXEC_PREFIX): New variable.
4500         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
4501         * c-incpath.c (add_standard_paths): Correct logic for relocating
4502         paths within prefix.
4503
4504 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
4505
4506         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
4507         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
4508         mode macro.
4509         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
4510         fix_truncdfdi_sse using SSEMODEF mode macro.
4511         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
4512         fix_truncdfsi_sse using SSEMODEF mode macro.
4513         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
4514         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
4515
4516 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
4517
4518         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
4519         elfos.h to tm_file.
4520
4521 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
4522
4523         * tree.h : Add multiple_of_p declaration.
4524         * fold-const.c (multiple_of_p): Make multiple_of_p public.
4525         * ipa-type-escape.c (results_of_malloc): Redundant.
4526         (visited_stmts): New. Visited stmt for walk_use_def_chains.
4527         (cast_type): Extended with new members.
4528         (check_cast): Returns cast_type.
4529         (cast): New structure for data of walk_use_def_chains.
4530         (is_malloc_result, is_cast_from_non_pointer_1,
4531         is_cast_from_non_pointer,
4532         is_array_access_through_pointer_and_index): New functions.
4533         (look_for_casts): Returns cast types.
4534         (check_call): Returns void.
4535         (okay_pointer_operation): Use support of pointer plus index,
4536         pointer plus constant and allow all multiplications.
4537
4538 2007-03-11  Richard Guenther  <rguenther@suse.de>
4539
4540         PR tree-optimization/31115
4541         * tree-vrp.c (extract_range_from_binary_expr): Make sure
4542         the shift count is positive and non-anti-range for RSHIFT_EXPR.
4543         A shift count of zero is not special as with *_DIV_EXPR.
4544         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
4545         direction.
4546
4547 2007-03-11  Ian Lance Taylor  <iant@google.com>
4548
4549         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
4550         the *_DIV_EXPR codes correctly with overflow infinities.
4551
4552 2007-03-11  Ira Rosen  <irar@il.ibm.com>
4553
4554         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
4555         indicate success/failure of the analysis. Add negation to subtrahend
4556         in case of subtraction. Fail if both operands contain constants.
4557         (create_data_ref): Fail if analyze_offset fails.
4558
4559 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
4560
4561         * config/i386/i386.md (frndintxf2): Rename to ...
4562         (rintxf2): ... this. Remove expander having same name.
4563         (rintsf2, rintdf2): Implement using SSEMODEF macro.
4564         (roundsf2, rounddf2): Ditto.
4565         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
4566         (lround<mode>di2, lround<mode>si2): Ditto.
4567
4568 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
4569
4570         * lower-subreg.c: Include except.h.
4571         (decompose_multiword_subregs): Verify that the only control flow
4572         insns we can split are loads to multi-words pseudos.
4573         Handle breaking such blocks after splitting, instead of calling
4574         find_many_sub_basic_blocks.
4575
4576         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
4577         on the new basic block.  Add a lengthy comment explaining why we
4578         thought this was necessary.
4579         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
4580
4581 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
4582
4583         PR c++/30924
4584         * tree.c (walk_type_fields): Recurse into the element type of
4585         ARRAY_TYPEs if there is a pointer set.
4586
4587 2007-03-10  Dirk Mueller  <dmueller@suse.de>
4588
4589         * c-common.c (warn_logical_operator): Fix condition.
4590
4591 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
4592
4593         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4594         quotation mark.
4595         * config/darwin.c (machopic_select_section): Remove superfluous
4596         argument in call to categorize_decl_for_section.  Remove unused
4597         variable shlib.
4598
4599 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
4600
4601         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4602         defined.
4603         * configure: Regenerate.
4604
4605 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
4606
4607         PR target/31101
4608         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4609         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4610         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4611         Add LABEL_NUSES to emitted label.
4612         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4613         branch probability value to emitted jump insn.
4614         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4615         Do not check life information and do not re-arrange input operands
4616         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4617
4618 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4619
4620         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4621         the change of decode_asm_operands.
4622
4623 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4624
4625         * mode-switching.c (create_pre_exit): Skip blockage insn.
4626
4627 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
4628
4629         * tree-pass.h (TODO_update_smt_usage): Remove.
4630         Update all users.
4631         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4632         argument SOME.
4633         Update all users.
4634
4635 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4636
4637         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4638         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4639         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
4640         SOM target.
4641
4642 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
4643
4644         * gcc.c: Document %{, in big comment at top.
4645         (input_suffix_matches): Remove special handling for .s and
4646         .S.
4647         (input_spec_matches): New.
4648         (handle_braces): Handle %{,.
4649         (validate_switches): ',' indicates a value which is not a switch.
4650         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4651         to detect assembler input.
4652         * config/i386/sol2.h (CPP_SPEC): Likewise.
4653         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4654         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4655         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4656         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4657         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4658         -m64 causes deployment target to default to 10.5.
4659         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4660
4661 2007-03-09  Richard Henderson  <rth@redhat.com>
4662
4663         PR target/26090
4664         * target.h (targetm.asm.out.reloc_rw_mask): New.
4665         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
4666         (TARGET_ASM_OUT): Use it.
4667         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
4668         * varasm.c (categorize_decl_for_section): Remove shlib argument;
4669         use the new reloc_rw_mask target hook instead.
4670         (default_section_type_flags_1): Merge into...
4671         (default_section_type_flags): ... here.
4672         (decl_readonly_section_1): Merge into...
4673         (decl_readonly_section): ... here.
4674         (default_elf_select_section_1): Merge into...
4675         (default_elf_select_section): ... here.
4676         (default_unique_section_1): Merge into...
4677         (default_unique_section): ... here.
4678         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
4679         (default_select_rtx_section): Use it.
4680         (default_elf_select_rtx_section): Likewise.
4681         * output.h: Update to match.
4682         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
4683         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
4684         (TARGET_ASM_RELOC_RW_MASK): New.
4685         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
4686         to categorize_decl_for_section.
4687         (x86_64_elf_unique_section): Likewise.
4688         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
4689         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
4690         (TARGET_ASM_RELOC_RW_MASK): New.
4691         * config/ia64/ia64.c (ia64_rwreloc_select_section,
4692         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
4693         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
4694         (TARGET_RWRELOC): Remove.
4695         (ia64_section_type_flags): Adjust call to default_section_type_flags.
4696         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4697         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
4698         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
4699         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
4700         (rs6000_xcoff_select_section): Use decl_readonly_section.
4701         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
4702         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4703         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
4704         (TARGET_SECTION_TYPE_FLAGS): Remove.
4705         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
4706
4707 2007-03-09  Roger Sayle  <roger@eyesopen.com>
4708
4709         * fold-const.c (fold_comparison): Remove compile-time evaluation of
4710         complex constant equality/inequality comparisons for here.
4711         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
4712         known at compile-time or can be simplified to a scalar comparison.
4713         (fold_relational_const): Move compile-time evaluation of complex
4714         constant equality/inequality comparisons to here.
4715
4716 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4717
4718         PR rtl-optimization/30643
4719         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
4720         dest_addr_elt.
4721         (fold_rtx): Recurse, like before 2006-11-03.
4722
4723 2007-03-09  DJ Delorie  <dj@redhat.com>
4724
4725         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
4726         m32c-pragma.o.
4727
4728 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
4729
4730         PR tree-optimization/30375
4731         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
4732         LHS of statements is not the same.
4733         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
4734
4735 2007-03-09  Chao-ying Fu  <fu@mips.com>
4736
4737         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
4738         REV 2.
4739         * doc/invoke.texi (-mdspr2): Document new option.
4740         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
4741         New unspec for DSP REV 2.
4742         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
4743         these instructions are extended in DSP REV 2.
4744         (mips-dspr2.md): Include.
4745         * config/mips/mips.opt (mdspr2): New option.
4746         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
4747         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
4748         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
4749         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
4750         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
4751         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
4752         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
4753         and 2 builtins.
4754         (bdesc_map): Add one field of unsupported_target_flags.
4755         (bdesc_arrays):  Update entries to have extra fields.  Add
4756         dsp_32only_bdesc.
4757         (mips_init_builtins): Initialize new function types.
4758         Check unsupported_target_fileds to filter out builtins.
4759         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
4760         TARGET_DSPR2.
4761         (ASM_SPEC): Pass mdspr2 to the assembler.
4762         * config/mips/mips-dspr2.md: New file.
4763
4764 2007-03-09  Sa Liu  <saliu@de.ibm.com>
4765
4766         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
4767
4768 2007-03-09  Ian Lance Taylor  <iant@google.com>
4769
4770         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
4771         argument) like -Wstrict-overflow=2.
4772         * doc/invoke.texi (Warning Options): Update documentation.
4773
4774 2007-03-09  Dirk Mueller  <dmueller@suse.de>
4775
4776         PR c++/17946
4777         * doc/invoke.texi (-Wlogical-op): Document.
4778         * common.opt (-Wlogical-op): New.
4779         * c-common.h (warn_logical_operator): Declare.
4780         * c-common.c (warn_logical_operator): Define.
4781         * c-typeck.c (parser_build_binary_op): Call
4782         warn_logical_operator.
4783
4784 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4785
4786         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
4787         * final.c (final_scan_insn): Test for non-"" file name.
4788
4789 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
4790
4791         * doc/loop.texi: Document the Omega linear constraints solver.
4792         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
4793         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
4794         omega-hash-table-size, omega-max-keys, and
4795         omega-eliminate-redundant-constraints.
4796         * tree-pass.h (pass_check_data_deps): Declared.
4797         * omega.c: New.
4798         * omega.h: New.
4799         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
4800         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
4801         pass_check_data_deps): New.
4802         * tree-data-ref.c (init_data_ref): Remove declaration.
4803         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
4804         (analyze_array): Renamed init_array_ref, move up initializations.
4805         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
4806         Removed arguments that are set to NULL.
4807         (analyze_indirect_ref): Correct indentation, correct call to
4808         init_pointer_ref.
4809         (object_analysis): Call init_array_ref instead of analyze_array.
4810         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
4811         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
4812         of DR_ACCESS_FNS_ADDR.
4813         (init_omega_eq_with_af, omega_extract_distance_vectors,
4814         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
4815         ddr_consistent_p): New.
4816         (compute_affine_dependence): Check consistency of ddrs when
4817         flag_check_data_deps is passed.
4818         (analyze_all_data_dependences): Uncomment.
4819         (tree_check_data_deps): New.
4820         * tree-data-ref.h: Include omega.h.
4821         (DR_ACCESS_FNS_ADDR): Removed.
4822         (data_dependence_relation): Add inner_loop.
4823         (DDR_INNER_LOOP): New.
4824         * common.opt (fcheck-data-deps): New.
4825         * tree-flow.h (tree_check_data_deps): Declare.
4826         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
4827         (OBJS-common): Depend on omega.o.
4828         (omega.o): Define.
4829         * passes.c (pass_check_data_deps): Scheduled.
4830         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
4831         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
4832         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
4833         PARAM_VECT_MAX_VERSION_CHECKS,
4834         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
4835
4836 2007-03-09  Richard Guenther  <rguenther@suse.de>
4837
4838         PR tree-optimization/30904
4839         PR middle-end/31058
4840         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
4841         the same way as *_DIV_EXPR.
4842
4843 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4844
4845         * recog.c (decode_asm_operands): No mixed declarations and code.
4846
4847 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4848
4849         * rtl.def (ASM_INPUT): Add location.
4850         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
4851         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
4852         (decode_asm_operands): Add loc operand.
4853         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
4854         * stmt.c (expand_asm): Rename to...
4855         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
4856         gen_rtx_ASM_INPUT_loc.
4857         (expand_asm_expr): Adjust.
4858         * recog.c (decode_asm_operands): Add loc operand.
4859         (check_asm_operands, extract_insn): Adjust.
4860         * reload1.c (maybe_fix_stack_asms): Likewise.
4861         * final.c (asm_insn_count): Likewise.
4862         (final_scan_insn): Output # line before and after asm.
4863
4864 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
4865
4866         * tree-ssa-structalias.c (variable_info): Remove
4867         finished_solution.
4868         (new_var_info): Ditto.
4869         (shared_bitmap_info_t): New structure.
4870         (shared_bitmap_table): New variable.
4871         (shared_bitmap_hash): New function.
4872         (shared_bitmap_eq): Ditto
4873         (shared_bitmap_lookup): Ditto.
4874         (shared_bitmap_add): Ditto.
4875         (merge_smts_into): Change to take bitmap directly.
4876         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
4877         (init_alias_vars): Init shared bitmap hashtable.
4878         (delete_points_to_sets): Delete shared bitmap hashtable.
4879         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
4880         is_aliased removal as a change that was still necessary was
4881         deleted.
4882
4883 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
4884
4885         * config/i386/i386.h (override_options): Conditionally disable
4886         x86_sahf for 64bit targets only.
4887
4888 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4889
4890         PR C/31072
4891         * c-decl.c (merge_decls): Don't call make_var_volatile.
4892         * varasm.c (make_var_volatile): Remove.
4893         * output.h (make_var_volatile): Remove.
4894
4895 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
4896
4897         PR tree-optimization/31085
4898         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
4899
4900 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4901
4902         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
4903         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
4904         ATTR_CONST_NOTHROW_LIST.
4905
4906         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4907         FIX_TRUNC_EXPR.
4908
4909 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
4910
4911         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
4912
4913 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
4914
4915         PR 31013
4916         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
4917         is declared.
4918         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
4919         passed, use shared libgcc.
4920
4921 2007-03-08  Roger Sayle  <roger@eyesopen.com>
4922
4923         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
4924         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4925         (honor_protect_cleanup_actions, lower_try_finally_switch):
4926         Likewise.
4927         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
4928         ifc_temp_var): Likewise.
4929         * tree-inline.c (setup_one_parameter): Likewise.
4930         * tree-mudflap.c (mf_decl_cache_locals,
4931         mf_build_check_statement_for): Likewise.
4932         * tree-nested.c (init_tmp_var, save_tmp_var,
4933         finalize_nesting_tree_1): Likewise.
4934         * tree-outof-ssa.c (insert_copy_on_edge,
4935         insert_backedge_copies): Likewise.
4936         * tree-profile.c (tree_gen_edge_profiler,
4937         tree_gen_ic_profiler): Likewise.
4938         * tree-scalar-evolution.c (scev_const_prop): Likewise.
4939         * tree-sra.c (sra_build_assignment): Likewise.
4940         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
4941         * tree-ssa-math-opts.c (insert_reciprocals,
4942         execute_cse_sincos_1): Likewise.
4943         * tree-tailcall.c (adjust_accumulator_values,
4944         adjust_return_value): Likewise.
4945         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
4946         * tree-vect-transform.c (vect_create_data_ref_ptr,
4947         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
4948         vect_create_epilog_for_reduction, vectorizable_reduction,
4949         vectorizable_call, vectorizable_conversion,
4950         vectorizable_assignment, vectorizable_operation,
4951         vectorizable_type_demotion, vect_gen_widened_results_half,
4952         vect_permute_store_chain, vectorizable_store,
4953         vect_setup_realignment, vect_permute_load_chain,
4954         vectorizable_load, vectorizable_condition,
4955         vect_create_cond_for_align_checks): Likewise.
4956         * tree-vrp.c (build_assert_expr_for): Likewise.
4957
4958 2007-03-08  Ian Lance Taylor  <iant@google.com>
4959
4960         * tree-vrp.c: Include "intl.h".
4961         (usable_range_p): New static function.
4962         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
4963         overflowed values, juts set *strict_overflow_p.
4964         (compare_values): Only return -2 if one of the operands is not a
4965         constant.
4966         (compare_ranges): Call usable_range_p.
4967         (compare_range_with_value): Likewise.
4968         (vrp_evaluate_conditional_warnv): Rename from
4969         vrp_evaluate_conditional.  Make static.  Change all callers.
4970         (vrp_evaluate_conditional): New function.
4971         (simplify_div_or_mod_using_ranges): Issue warning about reliance
4972         on signed overflow.
4973         (simplify_abs_using_ranges): Likewise.
4974         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
4975         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
4976         within_stmt parameter.
4977         * tree-ssa-propagate.c (fold_predicate_in): Update call to
4978         vrp_evaluate_conditional.
4979         * tree-ssa-threadedge.c
4980         (record_temporary_equivalences_from_stmts_at_dest): Change
4981         simplify parameter to take a second tree parameter.
4982         (simplify_control_stmt_condition): Likewise.
4983         (thread_across_edge): Likewise.
4984         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4985         (thread_across_edge): Likewise.
4986         * Makefile.in (tree-vrp.o): Depend upon intl.h.
4987
4988 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
4989
4990         * config/i386/i386.h (TARGET_SAHF): New define.
4991         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
4992         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
4993         (x86_sahf): New global variable.
4994         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
4995         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
4996         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
4997         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
4998         for 64-bit.
4999         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
5000         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
5001         when expanding fcomi/sahf based tests.
5002         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
5003         expanding sahf based alternative. Emit sahf based sequence when
5004         optimizing for code size.
5005         * config/i386/i386.md (x86_sahf_1): Do not disable for
5006         TARGET_64BIT, enable for TARGET_SAHF.
5007
5008 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
5009
5010         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
5011         spurious whitespace from error message.
5012
5013 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
5014
5015         PR c++/30852
5016         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
5017
5018 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
5019
5020         * c-decl.c (grokdeclarator): Disable warnings for anonymous
5021         bitfields.
5022         * tree-sra.c (instantiate_element): Propagate disabled warnings
5023         from the element itself to the created variable.
5024
5025 2007-03-07  Richard Henderson  <rth@redhat.com>
5026
5027         PR target/30848
5028         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
5029         silently fix up the stack in the case of a missing register.
5030
5031 2007-03-07  Paul Brook  <paul@codesourcery.com>
5032
5033         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
5034
5035 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
5036
5037         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
5038         New.
5039         (phase1_vrs): Use them.
5040         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
5041         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
5042         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
5043         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
5044         __gnu_Unwind_Restore_WMMXC if required.
5045         (_Unwind_VRS_Pop): Implement iWMMXt support.
5046         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
5047         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
5048         gnu_Unwind_Save_WMMXC): Define.
5049
5050 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5051
5052         * config/vxworks.h (vxworks_override_options): Declare.
5053         (VXWORKS_OVERRIDE_OPTIONS): Use it.
5054         * config/vxworks.c: Include target.h and toplev.h.
5055         (vxworks_override_options): New function.
5056         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
5057
5058 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5059
5060         * config/s390/s390.c (override_options): Don't emit an error when
5061         -mstack-size is used without providing -mstack-guard.
5062         (s390_emit_prologue): Choose stack_guard value automatically if not
5063         provided via command line.
5064         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
5065
5066 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5067
5068         * config/i386/i386.c (output_set_got): Add a GOT initialization
5069         sequence for VxWorks PIC.
5070         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
5071         around labels as well as symbols.  Use gotoff_operand instead
5072         of local_symbolic_operand.
5073         (legitimize_pic_address): Use gotoff_operand instead of
5074         local_symbolic_operand.  Use @GOT accesses for labels as
5075         well as symbols.
5076         (ix86_output_addr_diff_elt): Use PC-relative rather than
5077         GP-relative offsets for VxWorks PIC.
5078         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
5079         no_new_pseudos.  Check whether the returned register is op0.
5080         * config/i386/i386.md (tablejump): Use PC-relative rather than
5081         GP-relative offsets for VxWorks PIC.
5082         * config/i386/predicates.md (gotoff_operand): New predicate.
5083
5084 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5085
5086         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
5087         before defining.
5088         * config/vxworks-dummy.h: New file.
5089         * config/i386/i386.h: Include it.
5090
5091 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
5092
5093         * dwarf2out.c (is_inlined_entry_point): New
5094         (add_high_low_attributes): Emit DW_AT_entry_pc along with
5095         DW_AT_ranges if the first subblock is the entry point.
5096
5097 2007-03-06  David Daney  <ddaney@avtrex.com>
5098
5099         * doc/install.texi (mips-*-*): Change recommended binutils
5100         version.
5101
5102 2007-03-06  Anatoly Sokolov <aesok@post.ru>
5103
5104         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
5105         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
5106         devices.
5107         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5108         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5109
5110 2007-03-06  Jan Hubicka  <jh@suse.cz>
5111
5112         * errors.h (warning, error, fatal, internal_error): Mark as cold.
5113         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
5114         are hot.
5115         (probably_cold_bb_p): Cold functions are cold.
5116         (probably_never_executed_bb_p): Cold functions are cold.
5117         (tree_bb_level_predictions): Predict calls to cold functions as not
5118         taken.
5119         (compute_function_frequency): Check hot/cold attributes.
5120         * function.h (function_frequency): Update comments.
5121         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
5122         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
5123         (c_common_att): Add cold and hot.
5124
5125         * doc/extend.texi (hot,cold attributes): Document.
5126
5127 2007-03-06  Andrew Haley  <aph@redhat.com>
5128
5129         * function.c (expand_function_end): Move blockage to just after we
5130         emit the label for the naked return from the function.
5131
5132 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5133
5134         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
5135         before redefining.
5136
5137 2007-03-06  Jan Hubicka  <jh@suse.cz>
5138
5139         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
5140         loaded for constant large models.  Non-large 64bit PIC can do.
5141         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
5142         * cmodel.h: Add LARGE PIC.
5143         * i386.md (UNSPEC_PLTOFF): New.
5144         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
5145         needed.
5146         (*call_1_rex64): Disable for large models.
5147         (*call_1_rex64_large): New.
5148         (*call_value_1_rex64): Disable for large models.
5149         (*call_value_1_rex64_large): New.
5150         (set_rip_rex4): New.
5151         (set_got_offset_rex64): New.
5152         * predicates.md (constant_call_address_operand): For large model
5153         constant calls are not possible.
5154         * i386-protos.h (construct_plt_address): Declare.
5155         * i386.c (override_options): Accept large models.
5156         (ix86_expand_prologue): Expand large PIC GOT pointer load.
5157         (legitimate_constant_p): Add new UNSPECs.
5158         (legitimate_pic_operand_p): Likewise.
5159         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
5160         (legitimize_pic_address): Do easy RIP relative way for TLS only for
5161         non-large model.
5162         (output_pic_addr_const): Add PLTOFF.
5163         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
5164         (ix86_expand_move): Legitimize pic address when in PIC mode.
5165         (construct_plt_address): New function.
5166         (ix86_expand_call): Offload the address to register and use GOT pointer
5167         for large model.
5168         * invoke.texi (mcmodel=large): Update documentation.
5169
5170 2007-03-06  Richard Henderson  <rth@redhat.com>
5171
5172         * config/i386/i386.c (x86_use_leave, x86_push_memory,
5173         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
5174         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
5175         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
5176         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
5177         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
5178         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
5179         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
5180         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
5181         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5182         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5183         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
5184         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5185         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5186         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
5187         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
5188         x86_schedule, x86_use_bt, x86_pad_returns,
5189         x86_use_xchgb): Merge into ...
5190         (ix86_tune_features): ... here.  New array.
5191         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5192         x86_bswap): Merge into ...
5193         (ix86_arch_features): ... here.  New array.
5194         (x86_3dnow_a): Remove.
5195         (x86_accumulate_outgoing_args): Make static.
5196         (x86_arch_always_fancy_math_387): Make static.
5197         (ix86_tune_mask, ix86_arch_mask): Move ...
5198         (override_options): ... to local variables here.  Apply the
5199         appropriate mask to each element of ix86_arch_features and
5200         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
5201         as were done in the old macros.
5202         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
5203         * config/i386/i386.h (x86_use_leave, x86_push_memory,
5204         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
5205         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
5206         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
5207         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
5208         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
5209         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
5210         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
5211         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
5212         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
5213         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5214         x86_accumulate_outgoing_args, x86_prologue_using_move,
5215         x86_epilogue_using_move, x86_decompose_lea,
5216         x86_arch_always_fancy_math_387, x86_shift1,
5217         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5218         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5219         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
5220         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5221         x86_use_incdec, x86_pad_returns, x86_bswap,
5222         x86_partial_flag_reg_stall): Remove.
5223         (enum ix86_tune_indices): New.
5224         (ix86_tune_features): New.
5225         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
5226         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
5227         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
5228         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
5229         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
5230         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
5231         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
5232         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
5233         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
5234         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
5235         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
5236         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
5237         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
5238         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
5239         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
5240         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
5241         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
5242         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
5243         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
5244         TARGET_EXT_80387_CONSTANTS): Use it.
5245         (enum ix86_arch_indices): New.
5246         (ix86_arch_features): New.
5247         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
5248         TARGET_BSWAP): Use it.
5249         (ix86_tune_mask, ix86_arch_mask): Remove.
5250
5251 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
5252
5253         PR bootstrap/31020
5254         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
5255         Define using $${sysroot_headers_suffix}.
5256         * configure: Regenerate.
5257         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
5258         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
5259         defined.
5260         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
5261         * gcc.c (print_sysroot_headers_suffix): New.
5262         (option_map): Include --print-sysroot-headers-suffix.
5263         (display_help): Mention -print-sysroot-headers-suffix.
5264         (process_command): Handle -print-sysroot-headers-suffix.
5265         (do_spec_1): Append multilib directory to include-fixed path if
5266         sysroot suffixes in use.
5267         (main): Handle -print-sysroot-headers-suffix.
5268         * Makefile.in (start.encap): Don't depend on xlimits.h
5269         (xlimits.h): Remove.
5270         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
5271         limits.h for each multilib in fixinc_list.
5272         (fixinc_list, s-fixinc_list): New.
5273         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
5274         generate them for each multilib in fixinc_list.
5275         (stmp-fixproto): Use include-fixed.  Run fixproto for each
5276         multilib in fixinc_list.
5277         (mostlyclean): Don't remove xlimits.h.
5278         (clean): Remove include-fixed.
5279         (real-install-headers-tar, real-install-headers-cpio,
5280         real-install-headers-cp): Don't copy include, only include-fixed.
5281         (install-mkheaders): Depend on fixinc_list.  Don't depend on
5282         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
5283         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
5284         SYSTEM_HEADER_DIR setting in mkheaders.conf.
5285
5286 2007-03-06  Jan Hubicka  <jh@suse.cz>
5287
5288         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
5289         NANs easilly.
5290
5291 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5292
5293         * configure.ac: Allow tm_file to contain build-directory files.
5294         * configure: Regenerate.
5295         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
5296         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
5297         * config/m68k/print-sysroot-suffix.sh: New file.
5298
5299 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5300
5301         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
5302         of pic_offset_table_rtx if reload_completed.
5303         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
5304         PIC_OFFSET_TABLE_REGNUM.
5305         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
5306         return true.
5307         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
5308         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
5309
5310 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5311
5312         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5313         functions that call eh_return.
5314
5315 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5316
5317         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5318         functions that need a constant pool.
5319
5320 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5321
5322         PR target/28181
5323         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
5324         (m68k_preferred_reload_class): Likewise.
5325         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
5326         (SECONDARY_RELOAD_CLASS): Define.
5327         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
5328         (LIMIT_RELOAD_CLASS): Delete.
5329         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
5330         registers from storing bytes.
5331         (m68k_secondary_reload_class): New function.
5332         (m68k_preferred_reload_class): Likewise.
5333
5334 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5335
5336         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
5337         leaf functions.
5338         (m68k_expand_prologue): Likewise.
5339
5340 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5341
5342         * config/m68k/m68k-protos.h (output_sibcall): Declare.
5343         (mips_expand_epilogue): Add a bool parameter.
5344         (m68k_legitimize_sibcall_address): Declare.
5345         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5346         (m68k_expand_epilogue): Add a parameter to select between sibling
5347         and normal epilogues.  Only generate a return for the latter.
5348         (m68k_ok_for_sibcall_p): New function.
5349         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5350         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5351         (sibcall_value, *sibcall_value): Likewise.
5352         (*call, *call_value): Require !SIBLING_CALL_P.
5353         (epilogue): Update call to m68k_expand_epilogue.
5354         (sibcall_epilogue): New pattern.
5355         * config/m68k/predicates.md (const_call_operand): Say that this
5356         predicate applies to sibling calls too.
5357         (sibcall_operand): New predicate.
5358
5359 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5360
5361         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5362         alternatives as movsi_cf.
5363         (movsf_cf_hard): Add commentary.
5364
5365 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
5366             Richard Sandiford  <richard@codesourcery.com>
5367
5368         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5369         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5370         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5371         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
5372         as being live on exit from an interrupt function.
5373         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5374         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5375         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5376         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5377         (m68k_interrupt_function_p): Globalize.
5378         (m68k_compute_frame_layout): Remove reverse mask code.
5379         (m68k_emit_movem, m68k_set_frame_related): New functions.
5380         (m68k_output_function_prologue): Delete in favor of...
5381         (m68k_expand_prologue): ...this new function.
5382         (m68k_output_function_epilogue): Delete in favor of...
5383         (m68k_expand_epilogue): ...this new function.
5384         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
5385         functions.
5386         (print_operand): Handle %?.
5387         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
5388         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
5389         (prologue, epilogue): New patterns.
5390         (return): Turn into a define_expand.
5391         (*return): New pattern, derived from old "return" pattern.  Use rte
5392         rather than rts for interrupt functions.  Only use rtd if the pop
5393         count is nonzero.
5394         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
5395         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
5396         (link, *link, unlink, *unlink, load_got): Likewise.
5397
5398 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5399
5400         PR target/23482
5401         PR target/17114
5402         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
5403         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
5404         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
5405         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
5406         and m68k_matches_u_p.
5407         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
5408         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
5409         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
5410         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
5411         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
5412         (REG_STRICT_P): New macro.
5413         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
5414         PCREL_GENERAL_OPERAND_OK.
5415         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
5416         m68k_legitimate_base_reg_p.
5417         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5418         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5419         (PIC_CASE_VECTOR_ADDRESS): Update comment.
5420         * config/m68k/m68k.c (m68k_address): New structure.
5421         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5422         (m68k_decompose_index, m68k_legitimate_constant_address_p)
5423         (m68k_jump_table_ref_p, m68k_decompose_address)
5424         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5425         (m68k_matches_u_p): New functions.
5426         (print_operand_address): Rewrite to use m68k_decompose_index.
5427
5428 2007-03-05  David Taylor  <dtaylor@emc.com>
5429
5430         * gcc.c: Correct copyright date in --version output.
5431
5432 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5433
5434         * pa.md: In unamed move patterns, disparge copies between general
5435         and floating point registers using '?' modifier.  Don't include 'f'
5436         constraint for register preferences in DImode, SImode, HImode and
5437         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
5438         Remove constraints for copies between general and floating registers
5439         in soft-float DFmode pattern.
5440         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
5441         floating register.
5442         (movsf): Likewise.
5443
5444 2007-03-05  Mike Stump  <mrs@apple.com>
5445
5446         * c-common.c (targetcm): Add.
5447         * c-opts.c (c_common_handle_option): Handle language specific
5448         target options.
5449         * opts.c (handle_option): Verify language for target options, if
5450         any are given.
5451         * opth-gen.awk: Add CL_LANG_ALL.
5452         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
5453         (TARGETCM_INITIALIZER): Add.
5454         * target.h (struct gcc_targetcm): Add.
5455         (targetcm): Add.
5456         * targhooks.c (default_handle_c_option): Add.
5457         * targhooks.h (default_handle_c_option): Add.
5458         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
5459
5460         * config/darwin.opt (iframework): Add.
5461         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
5462         * config/darwin-c.c (handle_c_option): Add.
5463         (TARGET_HANDLE_C_OPTION): Add.
5464         (targetcm): Add.
5465         * doc/invoke.texi (Darwin Options): Add -iframework.
5466
5467 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5468
5469         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
5470         conversion.
5471
5472 2007-03-05  Ian Lance Taylor  <iant@google.com>
5473
5474         * c.opt (fgnu89-inline): New option.
5475         * c-opts.c (c_common_post_options): Set default value for
5476         flag_gnu89_inline.
5477         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
5478         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
5479         inline functions.
5480         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
5481         (grokdeclarator, start_function): Likewise.
5482         * c-cppbuiltin.c (c_cpp_builtins): Define either
5483         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
5484         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
5485         (C Dialect Options): Document -fgnu89-inline.
5486         * doc/extend.texi (Function Attributes): Explain what the
5487         gnu_inline attribute does.
5488         * doc/cpp.texi (Common Predefined Macros): Document
5489         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
5490
5491 2007-03-05  Ian Lance Taylor  <iant@google.com>
5492
5493         PR tree-optimization/31034
5494         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
5495         half-range if the other side is an overflow infinity.
5496
5497 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5498
5499         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
5500         (bfin*-linux-uclibc*): New configuration.
5501         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
5502         defining.
5503         * config/bfin/linux.h: New file.
5504         * config/bfin/libgcc-bfin.ver: New file.
5505         * config/bfin/t-bfin-uclinux: New file.
5506         * config/bfin/t-bfin-linux: New file.
5507         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
5508         (TARGET_OS_CPP_BUILTINS): New macro.
5509
5510 2007-03-05  Richard Guenther  <rguenther@suse.de>
5511
5512         * fold-const.c (fold_binary): Remove duplicate folding
5513         of comparison of non-null ADDR_EXPR against null.
5514
5515 2007-03-05  Richard Guenther  <rguenther@suse.de>
5516             Dorit Nuzman  <dorit@il.ibm.com>
5517
5518         PR tree-optimization/26420
5519         * tree-vectorizer.c (vectorize_loops): Bail out early if there
5520         are no loops in the function.  Only print the number of
5521         vectorized loops if it is greater than zero or we are supposed
5522         to print information about unvectorized loops.
5523
5524 2007-03-05  Revital Eres  <eres@il.ibm.com>
5525
5526         * gcc.dg/var-expand1.c: New test.
5527         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
5528         when an accumulator is expanded.
5529
5530 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5531
5532         PR other/30465
5533         * c-common.c (convert_and_check): Don't give warnings for
5534         conversion if 'expr' already overflowed.
5535
5536 2007-03-04  Roger Sayle  <roger@eyesopen.com>
5537
5538         PR middle-end/30744
5539         * fold-const.c (fold_comparison): Enforce type consistency when
5540         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
5541
5542 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
5543
5544         * tree-ssa-address.c (create_mem_ref): Do not put an expression
5545         containing a cast to the base of TARGET_MEM_REF.
5546
5547 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
5548
5549         * tree.c (tree_contains_struct_check_failed): Remove spurious
5550         whitespace from error message.
5551
5552 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
5553
5554         PR target/30406
5555         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
5556         instead of precision.
5557
5558 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
5559             Nathan Sidwell  <nathan@codesourcery.com>
5560
5561         * emit-rtl.c (find_auto_inc): New.
5562         (try_split): recreate REG_INC notes,
5563         Use regular for loops rather than whiles.
5564
5565 2007-03-03  Andreas Schwab  <schwab@suse.de>
5566
5567         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
5568         * configure: Regenerate.
5569
5570 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5571
5572         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
5573         flag_rounding_math, not flag_unsafe_math_optimizations.
5574
5575         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
5576         fold_build2.
5577         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
5578         alpha_fold_vector_minmax): Likewise.
5579         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5580         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
5581
5582 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5583
5584         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5585         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5586         if the lhs has side-effects.
5587         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5588
5589 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5590
5591         * config/i386/i386.h (TUNEMASK): Remove define.
5592         (ARCHMASK): Remove define.
5593         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5594          Use ix86_arch_mask variable instead of ARCHMASK.
5595         * config/i386/i386.c (override_options): Ditto.
5596         (standard_80387_constant_p): Ditto.
5597
5598 2007-03-02  Ian Lance Taylor  <iant@google.com>
5599
5600         Used signed infinities in VRP.
5601         * tree-vrp.c (uses_overflow_infinity): New static function.
5602         (supports_overflow_infinity): New static function.
5603         (make_overflow_infinity): New static function.
5604         (negative_overflow_infinity): New static function.
5605         (positive_overflow_infinity): New static function.
5606         (is_negative_overflow_infinity): New static function.
5607         (is_positive_overflow_infinity): New static function.
5608         (is_overflow_infinity): New static function.
5609         (overflow_infinity_range_p): New static function.
5610         (compare_values_warnv): New function split out of compare_values.
5611         (compare_value): Call it.
5612         (set_value_range_to_nonnegative): Add overflow_infinity
5613         parameter.  Change caller.
5614         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5615         Change callers.
5616         (vrp_expr_computes_nonzero): Likewise.
5617         (compare_ranges, compare_range_with_value): Likewise.
5618         (compare_name_with_value, compare_names): Likewise.
5619         (vrp_evaluate_conditional): Likewise.
5620         (set_value_range): Handle infinity
5621         (vrp_operand_equal_p, operand_less_p): Likewise.
5622         (extract_range_from_assert): Likewise.
5623         (vrp_int_const_binop): Likewise.
5624         (extract_range_from_binary_expr): Likewise.
5625         (extract_range_from_unary_expr): Likewise.
5626         (extract_range_from_comparison): Likewise.
5627         (extract_range_from_expr): Likewise.
5628         (dump_value_range): Likewise.
5629         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5630         (test_for_singularity): Likewise.
5631         (vrp_int_const_binop): Remove inline qualifier.
5632         (adjust_range_with_scev): Add comment.
5633         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5634
5635 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
5636
5637         * tree-ssa-structalias.c (could_have_pointers): Tidy.
5638         (get_constraint_for): Likewise.
5639         (do_structure_copy): Likewise.
5640         (find_func_aliases): Fix references to MODIFY_EXPR.
5641         (intra_create_variable_infos): Tidy.
5642         * tree-ssa-operands.c (add_virtual_operand): Add argument
5643         IS_CALL_SITE.
5644         When adding members of alias sets, if IS_CALL_SITE is true and
5645         the symbol is not call-clobbered, skip it.
5646         Adjust all callers.
5647
5648 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5649
5650         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5651         entry by means of emit_insn_at_entry.
5652
5653 2007-03-02  Richard Henderson  <rth@redhat.com>
5654
5655         * expr.h (promoted_input_arg): Remove decl.
5656         * function.c (promoted_input_arg): Merge into ...
5657         * combine.c (setup_incoming_promotions): ... only caller.
5658         Rearrange to avoid double loop.
5659
5660 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5661             Peter Bergner  <bergner@vnet.ibm.com>
5662             Janis Johnson  <janis187@us.ibm.com>
5663
5664         * config/rs6000/dfp.md: New file.
5665         * config/rs6000/rs6000.md: Include dfp.md.
5666         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
5667         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
5668         and TDmode decimal float modes in FP registers.
5669         (num_insns_constant): Likewise.
5670         (rs6000_legitimate_offset_address_p): Likewise.
5671         (rs6000_legitimize_address): Likewise.
5672         (rs6000_legitimize_reload_address): Likewise.
5673         (rs6000_legitimate_address): Likewise.
5674         (rs6000_emit_move): Likewise.
5675         (function_arg_boundary): Likewise.
5676         (function_arg_advance): Likewise.
5677         (rs6000_darwin64_record_arg_recurse): Likewise.
5678         (function_arg): Likewise.
5679         (rs6000_gimplify_va_arg): Likewise.
5680         (rs6000_split_multireg_move): Likewise.
5681         (rs6000_output_function_epilogue): Likewise.
5682         (rs6000_output_function_epilogue): Likewise.
5683         (rs6000_register_move_cost): Likewise.
5684         (rs6000_function_value): Likewise.
5685         (rs6000_libcall_value): Likewise.
5686
5687 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5688
5689         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
5690
5691 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5692
5693         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
5694         Use $MULTIDIR to choose between the kernel and RTP headers,
5695         and use $WIND_BASE and $WIND_USR to locate them.
5696
5697 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5698
5699         * config/i386/i386.c (override_options): Put initialization of
5700         ix86_tune_mask and ix86_arch_mask to the correct place.
5701
5702 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5703             Michael Meissner  <michael.meissner@amd.com>
5704
5705         PR target/31019
5706         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
5707         (ARCHMASK): Define.
5708         (TARGET_CMOVE): Use ARCHMASK.
5709         (TARGET_CMPXCHG): Ditto.
5710         (TARGET_CMPXCHG8B): Ditto.
5711         (TARGET_XADD): Ditto.
5712         (TARGET_BSWAP): Ditto.
5713         * config/i386/i386.c (ix86_tune_mask): New global variable.
5714         (ix86_arch_mask): Ditto.
5715         (override_options): Initialize ix86_tune_mask and
5716         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
5717         target_flags.
5718
5719 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5720
5721         PR 30992
5722         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
5723
5724 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
5725
5726         * target.h (init_dwarf_reg_sizes_extra): New target hook.
5727         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
5728         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
5729         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
5730         hook.
5731         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
5732         rs6000_init_dwarf_reg_sizes_extra): New.
5733         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
5734         SPE register high parts.
5735
5736 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
5737
5738         * Makefile.in: Add install-pdf target as
5739         copied from automake v1.10 rules.
5740         * configure.ac: Add install-pdf to target list.
5741         * configure: Regenerate.
5742
5743 2007-03-01  Paul Brook  <paul@codesourcery.com>
5744
5745         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
5746         modes to LDRD for DImode.
5747         (output_move_double): Fixup out of range ldrd/strd.
5748         (vfp_secondary_reload_class): Rename...
5749         (coproc_secondary_reload_class): ... to this.  Add wb argument.
5750         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
5751         coproc_secondary_reload_class for CLASS_IWMMXT.
5752         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
5753         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
5754
5755 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
5756
5757         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
5758         factor by the estimated number of iterations.
5759         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
5760         prefetch latency.
5761
5762         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
5763         decode_caches_intel, detect_caches_intel): New functions.
5764         (host_detect_local_cpu): Use detect_caches_amd and
5765         detect_caches_intel.
5766
5767 2007-03-01  Richard Henderson  <rth@redhat.com>
5768
5769         * expr.c (emit_move_complex_push): Export.
5770         (emit_move_complex_parts): Split out from ...
5771         (emit_move_complex): ... here.
5772         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
5773         * config/i386/i386.md (movcdi): New.
5774
5775 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
5776
5777         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
5778         size of mode1 to check for tieable modes in MMX case.
5779
5780 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
5781
5782         * Makefile.in (rtlanal.o): Depend on tree.h.
5783         * rtl.h (offset_within_section_p, split_const): Declare.
5784         * rtlanal.c: Include tree.h.
5785         (offset_within_block_p): New function, taken from
5786         mips_offset_within_object_p.
5787         (split_const): New function, taken from mips_split_const.
5788         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
5789         Declare.
5790         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
5791         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
5792         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
5793         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5794         (m68k_illegitimate_symbolic_constant_p): New function.
5795         * config/m68k/m68k.md (movsi): Remove misleading predicates.
5796         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
5797         symbolic constant that might be outside the symbol's section,
5798         move the symbol first and then add the offset.
5799         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
5800         Override.
5801         * config/mips/mips.c (mips_split_const): Delete.
5802         (mips_offset_within_object_p): Delete.
5803         (mips_symbolic_constant_p): Use offset_within_section_p and
5804         split_const instead of mips_offset_within_object_p and
5805         mips_split_const.
5806         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
5807         (mips_legitimize_const_move, print_operand_reloc)
5808         (mips_dangerous_for_la25_p): Use split_const instead of
5809         mips_split_const.
5810
5811 2007-02-28  Eric Christopher  <echristo@apple.com>
5812
5813         * Makefile.in (install-include-dir): Don't rm -rf include.
5814
5815 2007-02-28  Richard Guenther  <rguenther@suse.de>
5816
5817         PR middle-end/30364
5818         * fold-const.c (fold_binary): Do not associate expressions
5819         with more than one variable for integer types that do not wrap.
5820
5821 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
5822
5823         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
5824         Delete, and replace with...
5825         (fold_builtin_call_array): This.  Update callers to use it.
5826         * fold-const.c (fold_build_call_list): Delete, and replace with...
5827         (fold_build_call_array): This.
5828         (fold_build_call_list_initializer): Delete, and replace with...
5829         (fold_build_call_array_initializer): This.
5830         * tree.h: Update declarations to reflect above changes.
5831
5832         * c-typeck.c (build_function_call): Store converted arguments
5833         in a stack-allocated array instead of building a list.
5834         (convert_arguments): Store arguments in the array passed in as an
5835         argument, and return the actual number of arguments.
5836         * c-format.c: (check_function_format): Pass arguments in an
5837         array instead of a list.
5838         * c-common.c (check_function_nonnull): Likewise.
5839         (check_function_sentinel): Likewise.
5840         (check_function_arguments): Likewise.
5841         * c-common.h: Update declarations to reflect above changes.
5842
5843 2007-02-28  Jan Hubicka  <jh@suse.cz>
5844
5845         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
5846         PRED_NEGATIVE_RETURN): Update outcomes.
5847
5848 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
5849
5850         * calls.c (emit_library_call_value_1): Handle partial registers
5851         correctly when building up CALL_INSN_FUNCTION_USAGE.
5852
5853 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5854
5855         * pa/predicates.md (move_src_operand): Allow zero for mode.
5856         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
5857         move pattern.
5858
5859 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
5860
5861         PR target/30970
5862         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
5863         *movv2df_internal): Enable pattern only for valid operand
5864         combinations.
5865         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
5866         tie only 128bit modes. For MMX registers, tie only 64bit modes.
5867
5868 2007-02-27  Mike Stump  <mrs@apple.com>
5869
5870         * config/darwin-crt3.c: Avoid compilation when compiling for a
5871         kext multilib.
5872
5873 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
5874
5875         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
5876         FIXED_INCLUDE_DIR.
5877         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
5878         for fixed headers and limits.h.
5879         (install-include-dir, install-headers-tar, install-headers-cpio,
5880         install-headers-cp, real-install-headers-tar,
5881         real-install-headers-cpio, real-install-headers-cp): Handle
5882         include-fixed as well as include.
5883         (install-mkheaders): Don't install files that go only in include
5884         not include-fixed.
5885         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
5886         from GCC_INCLUDE_DIR.
5887         * gcc.c (process_command): Remove special -BstageN/ handling.
5888         (do_spec_1): Add include-fixed directories.
5889
5890 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5891
5892         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
5893         _smulsi3_highpart.
5894         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
5895         New functions.
5896         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
5897         patterns.
5898
5899 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
5900
5901         * c-common.c (get_priority): Add check for
5902         SUPPORTS_INIT_PRIORITY.
5903
5904 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5905
5906         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5907
5908         * config/bfin/bfin.c: Include "cfglayout.h".
5909         (MAX_LSETUP_DISTANCE): New macro.
5910         (struct loop_info): New members incoming, incoming_src and
5911         incoming_dest.  Delete member predecessor.
5912         (length_for_loop): New function.
5913         (bfin_optimize_loop): Handle more different loop structures.
5914         (bfin_discover_loop): Rework detection of predecessor blocks by
5915         examining incoming edges.
5916         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
5917         bfin_reorg_loops.
5918         (bfin_reorder_loops): New function.
5919         (bfin_reorg_loops): Use these three new functions.
5920
5921         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
5922         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
5923         (CONSTRAINT_LEN): Add entry for 'q'.
5924         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
5925         Add 'q' constraints.
5926         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
5927         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
5928
5929         * config/bfin/bfin.md (add_with_carry): New pattern.
5930         (s_or_u, su_optab, su_modifier): New code macros/attrs.
5931         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
5932         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
5933         support unsigned multiplies too.  Removed incorrect commutativity from
5934         operand 1 constraint where appropriate.
5935         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
5936         patterns.
5937         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
5938         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
5939         New patterns.
5940         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
5941         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
5942         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
5943         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
5944         usmulhisi_hh_huh): New patterns.
5945
5946         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
5947         lshifthi3): Fix output template to use half reg for operand 2.
5948
5949         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
5950         instead of R2.
5951
5952         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
5953
5954 2007-02-27  Andreas Schwab  <schwab@suse.de>
5955
5956         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
5957
5958 2007-02-27  Jan Hubicka  <jh@suse.cz>
5959
5960         * predict.c (last_basic_block_p): Remove.
5961         (tree_estimate_probability): Update return heuristic for commonized
5962         return blocks.
5963
5964 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5965
5966         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
5967
5968 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5969
5970         * doc/include/gcc-common.texi (versionsubtitle): New macro.
5971         * doc/cpp.texi: Standardize title page.
5972         * doc/cppinternals.texi: Likewise.
5973         * doc/gcc.texi: Standardize title page, remove version number
5974         from copyright page.
5975         * doc/gccint.texi: Likewise.
5976         * doc/install.texi: Standardize title page, add table of
5977         contents.
5978
5979 2007-02-26  Jan Hubicka  <jh@suse.cz>
5980
5981         * predict.def: Set outcomes according to more recent results.
5982         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
5983         Remove dead predictors.
5984         * predict.c (return_prediction): Fix pasto.
5985
5986 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5987
5988         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
5989         change; avoid a memory leak when returning early.
5990
5991 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
5992
5993         * c-decl.c (static_ctors): Move to c-common.c.
5994         (static_dtors): Likewise.
5995         (finish_function): Use c_record_cdtor_fn.
5996         (build_cdtor): Move to c-common.c.
5997         (c_write_global_declarations): Use c_build_cdtor_fns.
5998         * c-common.h (static_ctors): Declare.
5999         (static_dtors): Likewise.
6000         (c_record_cdtor_fn): Likewise.
6001         (c_build_cdtor_fns): Likewise.
6002         * c-common.c (static_ctors): New variable.
6003         (static_dtors): Likewise.
6004         (c_record_cdtor_fn): New function.
6005         (build_cdtor): Move from c-decl.c
6006         (c_build_cdtor_fns): New function.
6007
6008         * output.h (assemble_addr_to_section): Declare.
6009         (get_cdtor_priority_section): Likewise.
6010         * varasm.c (assemble_addr_to_section): New function.
6011         (get_cdtor_priority_section): Likewise.
6012         (default_named_section_asm_out_destructor): Use them.
6013         (destor_dtor_section_asm_out_destructor): Likewise.
6014         (default_named_section_asm_out_constructor): Likewise.
6015         (default_ctor_section_asm_out_constructor): Likewise.
6016         * config.gcc (*-*-vxworks*): Include vxworks.o.
6017         * config/t-vxworks (vxworks.o): New target.
6018         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
6019         (TARGET_ASM_CONSTRUCTOR): Define.
6020         (TARGET_ASM_DESTRUCTOR): Likewise.
6021         (vxworks_asm_out_constructor): Declare.
6022         (vxworks_asm_out_destructor): Likewise.
6023
6024         * c-common.c (get_priority): Check that we have not just an
6025         INTEGER_CST, but an integer constant with integeral type.
6026
6027 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
6028
6029         PR tree-optimization/30938
6030         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
6031         use &dt[nargs-1] instead of &dt[nargs] in the call to
6032         vect_is_simple_use().
6033
6034 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
6035
6036         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
6037         from register elimination as PRE_MODIFY / POST_MODIFY increments.
6038         Do not attempt to handle MEM inside auto-inc expressions.
6039         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
6040         of a register modified by an auto-inc expression.  However, do handle
6041         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
6042         (elimination_effects): Prohibit elimination of a register modified
6043         by an auto-inc expression.  Disable register elimination rules whose
6044         target register is modified by an auto-inc expression with variable
6045         increment.
6046
6047 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
6048
6049         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
6050         off-by-one error.
6051         (array_at_struct_end_p): New function.
6052         (idx_infer_loop_bounds): Use it.
6053         (estimate_numbers_of_iterations_loop): Export.
6054         * predict.c (predict_loops): Use estimated_loop_iterations_int.
6055         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
6056         (tree_estimate_probability): Call record_loop_exits.
6057         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
6058         (estimated_loop_iterations, estimated_loop_iterations_int,
6059         estimated_loop_iterations_tree): New functions.
6060         (analyze_siv_subscript_cst_affine,
6061         compute_overlap_steps_for_affine_1_2,
6062         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
6063         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
6064         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
6065         (PRED_LOOP_ITERATIONS_GUESSED): New.
6066         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
6067         * cfgloop.h (estimate_numbers_of_iterations_loop,
6068         estimated_loop_iterations_int): Declare.
6069
6070 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
6071
6072         * doc/extend.texi: Document optional priority argument to
6073         constructors and destructors.
6074         * tree.c (init_priority_for_decl): Adjust GTY markers.
6075         (init_ttree): Use priority-info hash functions for
6076         init_priority_for_decl.
6077         (tree_map_eq): Rename to ...
6078         (tree_map_base_eq): ... this.
6079         (tree_map_marked_p): Rename to ...
6080         (tree_map_base_marked_p): ... this.
6081         (tree_map_base_hash): New function.
6082         (decl_init_priority_lookup): Rework.
6083         (decl_fini_priority_lookup): New function.
6084         (decl_priority_info): New function.
6085         (decl_init_priority_insert): Use it.
6086         (decl_fini_priority_insert): Likewise.
6087         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
6088         hierarchy.
6089         (decl_restrict_base_insert): Likewise.
6090         (decl_debug_expr_insert): Likewise.
6091         (decl_value_expr_lookup): Likewise.
6092         (decl_value_expr_insert): Likewise.
6093         * tree.h (priority_type): New type.
6094         (decl_init_priority_lookup): Use priority_type.
6095         (decl_fini_priority_lookup): New function.
6096         (decl_init_priority_insert): Use priority_type.
6097         (decl_fini_priority_insert): New function.
6098         (DECL_HAS_INIT_PRIORITY): Tweak comments.
6099         (DECL_INIT_PRIORITY): Likewise.
6100         (SET_DECL_INIT_PRIORITY): Add comment.
6101         (DECL_FINI_PRIORITY): New macro.
6102         (SET_DECL_FINI_PRIORITY): Likewise.
6103         (DEFAULT_INIT_PRIORITY): Document.
6104         (MAX_INIT_PRIORITY): Likewise.
6105         (MAX_RESERVED_INIT_PRIORITY): Likewise.
6106         (tree_map_base): New type.
6107         (tree_map_base_eq): New function.
6108         (tree_map_base_hash): Likewise.
6109         (tree_map_base_marked_p): Likewise.
6110         (tree_map): Inherit from tree_map_base.
6111         (tree_map_eq): Make it a macro.
6112         (tree_map_marked_p): Likewise.
6113         (tree_int_map): Inherit from tree_map_base.
6114         (tree_int_map_eq): Make it a macro.
6115         (tree_int_map_hash): Likewise.
6116         (tree_int_map_marked_p): Likewise.
6117         (tree_priority_map): New type.
6118         (tree_priority_map_eq): New macro.
6119         (tree_priority_map_hash): Likewise.
6120         (tree_priority_map_marked_p): Likewise.
6121         * varasm.c (emults_decl): Adjust for refactoring of tree_map
6122         hierarchy.
6123         (emutls_common_1): Likewise.
6124         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
6125         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
6126         of tree_map hierarchy.
6127         * tree-cfg.c (move_stmt_r): Likewise.
6128         (new_label_mapper): Likewise.
6129         * c-tree.h (c_expand_body): Move to ...
6130         * c-common.h (c_expand_body): ... here.
6131         * c-decl.c (c_expand_body): Move to ...
6132         * c-common.c (c_expand_body): ... here.
6133         (c_common_attribute_table): Allow 1 argument for the constructor
6134         and destructor attributes.
6135         (get_priority): New function.
6136         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
6137         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
6138
6139 2007-02-24  Jan Hubicka  <jh@suse.cz>
6140
6141         PR middle-end/30509
6142         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
6143
6144 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6145             Jan Hubicka  <jh@suse.cz>
6146
6147         PR target/30778
6148         * i386.c (counter_mode): New function.
6149         (expand_set_or_movmem_via_loop): Use it.
6150         (expand_movmem_epilogue): Likewise; fix pasto.
6151         (ix86_expand_movmem): Do emit guard even for constant counts.
6152         (ix86_expand_setmem): Likewise.
6153
6154 2007-02-25  Nick Clifton  <nickc@redhat.com>
6155
6156         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
6157         (JUMP_TABLES_IN_TEXT_SECTION): Define.
6158
6159 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6160
6161         PR target/30770
6162         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
6163         count argument with 0x10, not with 0x16.
6164         (expand_setmem_epilogue): Ditto.
6165
6166 2007-02-24  Mike Stump  <mrs@apple.com>
6167
6168         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
6169         symbols.
6170
6171 2007-02-24  Richard Guenther  <rguenther@suse.de>
6172
6173         PR middle-end/30951
6174         * fold-const.c (fold_binary): Fold x +- CST op x for
6175         EQ_EXPR and NE_EXPR.
6176
6177 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6178
6179         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
6180
6181 2007-02-24  Jan Hubicka  <jh@suse.cz>
6182
6183         * cgraphunit.c (decide_is_function_needed): Honor
6184         -fkeep-inline-functions.
6185
6186 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6187
6188         * builtins.c (fold_builtin_modf): New.
6189         (fold_builtin_2): Use it.
6190
6191 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
6192
6193         * loop-iv.c (implies_p): Detect additional cases where A implies B.
6194         (determine_max_iter): Take additional LOOP arg; all callers changed.
6195         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
6196         one using simplifications.
6197         (simplify_using_initial_values): Return if the expression becomes
6198         invalid due to altered regs.
6199
6200 2007-02-23  DJ Delorie  <dj@redhat.com>
6201
6202         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
6203
6204 2007-02-23  Mike Stump  <mrs@apple.com>
6205
6206         * tlink.c (scan_linker_output): Parse linker messages from
6207         darwin9's linker better.
6208
6209 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
6210
6211         PR debug/29614
6212         * varpool.c (varpool_assemble_pending_decls):  Set
6213         varpool_last_needed_node to null.
6214
6215 2007-02-23  DJ Delorie  <dj@redhat.com>
6216
6217         * config/i386/i386.c (ix86_data_alignment): Don't specify an
6218         alignment bigger than the object file can handle.
6219
6220 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
6221
6222         PR target/30825
6223         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
6224         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
6225         (*movsf_1): Penalize MMX moves.
6226
6227 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
6228
6229         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
6230         2^32-1 or more times unless flag_unsafe_loop_optimizations.
6231
6232         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
6233
6234 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6235
6236         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
6237         (fold_builtin_1): Use them.
6238         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
6239         BUILT_IN_SIGNIFICAND.
6240
6241 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6242
6243         * config/i386/i386.c (bdesc_1arg): Initialize
6244         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
6245         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
6246         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
6247         and IX86_BUILTIN_MOVSLDUP.
6248
6249 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
6250
6251         PR rtl-optimization/30841
6252         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
6253
6254 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6255
6256         * builtins.c (fold_builtin_frexp): New.
6257         (fold_builtin_2): Use it.
6258
6259 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
6260
6261         * doc/invoke.texi (Spec Files): Document getenv spec function.
6262
6263         * gcc.c (getenv_spec_function): New function.
6264         (static_spec_functions): Add it.
6265         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
6266         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
6267         header files.
6268
6269 2007-02-22  Michael Matz  <matz@suse.de
6270
6271         PR c++/29433
6272         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
6273         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
6274
6275 2007-02-22  Ian Lance Taylor  <iant@google.com>
6276
6277         PR debug/30898
6278         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
6279         (mem_loc_descriptor): Call it.
6280
6281 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
6282             Ira Rosen  <irar@il.ibm.com>
6283
6284         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
6285
6286 2007-02-22  Ira Rosen  <irar@il.ibm.com>
6287
6288         PR tree-optimization/30843
6289         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
6290         stores only after all the group is vectorized.
6291
6292 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
6293
6294         PR tree-optimization/30858
6295         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
6296         in the reduction cycle have a single use in the loop.
6297         * tree-vectorizer.h (relevant): Add documentation.
6298
6299 2007-02-20  Mike Stump  <mrs@apple.com>
6300
6301         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
6302         * configure: Regenerate.
6303
6304 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
6305
6306         Change the defaults of some parameters and options.
6307         * config/spu/spu-protos.h (spu_optimization_options): Declare.
6308         * config/spu/spu.c (spu_optimization_options): Add.
6309         (spu_override_options): Change params in spu_optimization_options.
6310         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
6311
6312         Register 127 is only 16 byte aligned when used as a frame pointer.
6313         * config/spu/spu-protos.h (spu_init_expanders): Declare.
6314         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
6315         HARD_FRAME_POINTER_REGNUM.
6316         (spu_legitimate_address):  Use regno_aligned_for_reload.
6317         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
6318         aligned when frame_pointer_needed is true.
6319         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
6320         to 8 bits.
6321         * config/spu/spu.h (INIT_EXPANDERS): Define.
6322
6323         Make sure shift and rotate instructions have valid immediate operands.
6324         * config/spu/predicates.md (spu_shift_operand): Remove.
6325         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
6326         * config/spu/constraints.md (W, O): Extend range.
6327         * config/spu/spu.md (umask, nmask): Define.
6328         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
6329         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
6330         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
6331         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
6332         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
6333         (lshr<mode>3_reg):  Fix rtl description.
6334
6335         Make sure mulhisi immediate operands are valid.
6336         * config/spu/predicates.md (imm_K_operand): Add.
6337         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
6338
6339         Generate constants using fsmbi and andi.
6340         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6341         (print_operand, spu_split_immediate, classify_immediate,
6342         fsmbi_const_p): Handle IC_FSMBI2.
6343
6344         Correctly handle a CONST_VECTOR containing symbols.
6345         * config/spu/spu.c (print_operand): Handle HIGH correctly.
6346         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6347         (immediate_load_p): Allow symbols that use 2 instructions to create.
6348         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
6349         with symbols when flag_pic is set.
6350         (const_vector_immediate_p): New.
6351         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6352         accept a CONST_VECTOR with symbols.
6353         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
6354         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
6355         correctly.
6356         * config/spu/spu.md (high, low): Delete.
6357         (low_<mode>): Define.
6358
6359         Remove INTRmode and INTR_REGNUM, which didn't work.
6360         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6361         of INTR_REGNUM.
6362         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6363         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6364         peephole2 pattern): Don't use INTR or 131.
6365         (movintrcc): Delete.
6366         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6367         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6368         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6369         (UNSPEC_SET_INTR): Add.
6370         * config/spu/spu-modes.def (INTR): Remove.
6371
6372         More accurate warnings about run-time relocations.
6373         * config/spu/spu.c (reloc_diagnostic): Test in_section.
6374
6375         Correctly warn about immediate arguments to specific intrinsics.
6376         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6377         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6378         the instruction predicate.
6379
6380         Fix tree check errors with latest update.
6381         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
6382         CALL_EXPR_ARG.
6383         (spu_expand_builtin): Use CALL_EXPR_FN.
6384
6385         Add missing specific intrinsics.
6386         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
6387         si_bislede.
6388         * config/spu/spu_internals.h: Ditto.
6389
6390         Fix incorrect operand modifiers.
6391         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
6392         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
6393
6394         Optimize one case of zero_extend of a vec_select.
6395         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
6396
6397         Accept any immediate for hbr.
6398         * config/spu/spu.md (hbr):  Change s constraints to i.
6399
6400 2007-02-21  Paul Brook  <paul@codesourcery.com>
6401
6402         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
6403         condexec_count when skipping USE and CLOBBER.
6404
6405 2007-02-21  Nick Clifton  <nickc@redhat.com>
6406
6407         * common.opt (Warray-bounds): Add Warning attribute.
6408         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
6409         Likewise.
6410         (fsized-zeroes): Add Optimization attribute.
6411         (fsplit-wide-types, ftree-scev-cprop): Likewise.
6412         * c.opt (Wc++0x-compat): Add Warning attribute.
6413
6414 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6415
6416         PR middle-end/30761
6417         * reload1.c (eliminate_regs_in_insn): In the single_set special
6418         case, attempt to re-recognize the insn before falling back to
6419         having reload fix it up.
6420
6421 2007-02-20  Eric Christopher  <echristo@gmail.com>
6422
6423         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6424         Rewrite accordingly.
6425         (frv_read_iacc_argument): Ditto.
6426         (frv_expand_set_builtin): Take a call instead of arglist, update for
6427         above changes.
6428         (frv_expand_unop_builtin): Ditto.
6429         (frv_expand_binop_builtin): Ditto.
6430         (frv_expand_cut_builtin): Ditto.
6431         (frv_expand_binopimm_builtin): Ditto.
6432         (frv_expand_voidbinop_builtin): Ditto.
6433         (frv_expand_int_void2arg): Ditto.
6434         (frv_expand_prefetches): Ditto.
6435         (frv_expand_voidtriop_builtin): Ditto.
6436         (frv_expand_voidaccop_builtin): Ditto.
6437         (frv_expand_load_builtin): Ditto.
6438         (frv_expand_store_builtin): Ditto.
6439         (frv_expand_mdpackh_builtin): Ditto.
6440         (frv_expand_mclracc_builtin): Ditto.
6441         (frv_expand_mrdacc_builtin): Ditto.
6442         (frv_expand_mwtacc_builtin): Ditto.
6443         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
6444         calls for above.
6445
6446 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
6447
6448         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
6449         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
6450         cmpb instruction.
6451         (HAVE_GAS_DFP): Check for assembler support of decimal floating
6452         point instructions.
6453         * configure: Regenerate.
6454         * config.in: Regenerate.
6455         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
6456         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
6457         masks to power6 and power6x and to POWERPC_MASKS.
6458         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6459         _ARCH_PWR6.
6460         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
6461         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
6462         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6463         Access PROTOTYPE as variable, not mask.
6464
6465 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6466
6467         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
6468         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
6469         * combine.c (adjust_for_new_dest): Use it.
6470         * postreload.c (reload_combine): Likewise.
6471
6472 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6473
6474         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
6475         notes on an insn with multiple sets, even if single_set returns
6476         non-NULL for that insn.
6477
6478 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6479
6480         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
6481         scalbn and scalbln.
6482
6483 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
6484
6485         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
6486         if user didn't pass it.
6487         * config/i386/darwin.h (CC1_SPEC): Likewise.
6488         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
6489         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
6490         -mmacosx-version-min.
6491
6492 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6493             Uros Bizjak  <ubizjak@gmail.com>
6494
6495         * optabs.h (enum optab_index): Add new OTI_scalb.
6496         (scalb_optab): Define corresponding macro.
6497         * optabs.c (init_optabs): Initialize scalb_optab.
6498         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
6499         patterns.
6500         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
6501         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
6502         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
6503         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
6504         flag_unsafe_math_optimizations is set.
6505
6506         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
6507         to implement scalbf, scalb and scalbl built-ins as inline x87
6508         intrinsics.
6509
6510 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6511             DJ Delorie <dj@redhat.com>
6512
6513         PR other/30824
6514         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
6515         (diagnostic_report_diagnostic): ... here, and turn them into real
6516         errors. If warnings are inhibited, no need to do anything.
6517
6518 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
6519
6520         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
6521         better code generation.
6522
6523 2007-02-20  Ben Elliston  <bje@au.ibm.com>
6524
6525         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
6526
6527 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
6528
6529         * config/alpha/alpha.c, config/alpha/alpha.md,
6530         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
6531         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
6532         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
6533         config/arm/lib1funcs.asm: Follow spelling conventions.
6534
6535         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
6536         config/fr30/fr30.md, config/i386/i386.h,
6537         config/iq2000/iq2000.h, config/iq2000/predicates.md,
6538         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
6539         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6540         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
6541         config/rs6000/altivec.md, config/rs6000/rs6000.c,
6542         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
6543         config/sparc/sparc.c, config/sparc/sparc.h,
6544         config/sparc/sparc.md, config/spu/constraints.md,
6545         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
6546         conventions.
6547
6548 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
6549
6550         PR target/29943
6551         * varasm.c (use_blocks_for_decl_p): Return false for decls with
6552         alias attribute.
6553
6554 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6555
6556         * doc/invoke.texi (-ftree-lrs): Remove.
6557
6558 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
6559
6560         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
6561         NULL.
6562
6563 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
6564
6565         * config/ia64/ia64.c (ia64_expand_builtin): Use the
6566         new CALL_EXPR_FN macro for retrieving the function
6567         declaration of the input expression.
6568
6569 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6570
6571         * c.opt (Waddress): New.
6572         * common.opt (Walways-true): Delete.
6573         (Wstring-literal-comparison): Delete.
6574         * doc/invoke.texi (Warning Options): Delete -Walways-true and
6575         -Wstring-literal-comparison. Add -Waddress.
6576         (Waddress): New.
6577         (Walways-true): Delete.
6578         (Wstring-literal-comparison): Delete.
6579         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
6580         consistently instead of -Walways-true in example.
6581         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
6582         * c-typeck.c (parser_build_binary_op): Replace
6583         -Wstring-literal-comparison and -Walways-true with -Waddress.
6584         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6585         with -Waddress.
6586
6587 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6588
6589         * tree-cfg.c (dump_function_to_file): Be prepared for functions
6590         without DECL_STRUCT_FUNCTION initialized.
6591
6592 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6593
6594         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6595         due to calls to functions taking pointers as parameters.
6596
6597 2007-02-19  Richard Henderson  <rth@redhat.com>
6598
6599         PR debug/29558
6600         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6601         in memory.
6602
6603 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6604
6605         * config/s390/s390.c (s390_call_saved_register_used,
6606         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6607         accessed to the new scheme.
6608
6609 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6610
6611         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6612         (cris_print_index, cris_print_operand, cris_print_operand_address)
6613         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6614         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6615         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6616         GET_CODE () == xxx.
6617         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6618         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6619         GO_IF_LEGITIMATE_ADDRESS): Ditto.
6620         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6621         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6622         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6623         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6624         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6625         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6626         (uminsi3, call, call_value): Ditto.
6627         (define_split: indir_to_reg_split, unnamed): Ditto.
6628
6629 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
6630
6631         PR tree-optimization/30975
6632         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6633         wrong assert.
6634
6635 2007-02-18  Eric Christopher  <echristo@gmail.com>
6636
6637         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6638         Remove use of arglist.
6639         (mips_expand_builtin): Remove use of arglist, pass in expr.
6640         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6641         (mips_expand_builtin_movtf): Ditto.
6642         (mips_expand_builtin_compare): Ditto.
6643
6644 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6645
6646         * tree-sra.c (sra_build_assignment): Replace assertion
6647         checking with a comment explaining why it can't be done.
6648
6649 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6650
6651         PR middle-end/30833
6652         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6653         during CALL_EXPR representation conversion.
6654         * tree-ssa-propagate.c (set_rhs): Likewise.
6655
6656 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6657
6658         * tree-sra.c (sra_build_assignment): Disable assertion checking
6659         for now.
6660
6661 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6662
6663         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
6664         instead of calling build2 with a GIMPLE_MODIFY_STMT.
6665         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
6666         Likewise.
6667         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
6668         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
6669         gimplify_init_ctor_eval_range, gimple_push_cleanup,
6670         gimplify_omp_for, gimplify_omp_atomic_pipeline,
6671         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
6672         force_gimple_operand): Likewise.
6673         * ipa-cp.c (constant_val_insert): Likewise.
6674         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6675         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
6676         perfect_nestify): Likewise.
6677         * langhooks.c (lhd_omp_assignment): Likewise.
6678         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
6679         lower_copyprivate_clauses, lower_send_clauses,
6680         lower_send_shared_vars, expand_parallel_call,
6681         expand_omp_for_generic, expand_omp_for_static_nochunk,
6682         expand_omp_for_static_chunk, expand_omp_sections,
6683         lower_omp_single_copy, lower_omp_for_lastprivate,
6684         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
6685         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6686         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
6687         Likewise.
6688
6689 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6690
6691         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
6692         config/sh/sh.md: Follow spelling conventions.
6693
6694         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
6695         config/frv/predicates.md: Follow spelling conventions.
6696
6697         * config/m68k/linux-unwind.h: Fix a comment typo.
6698         * target.h: Follow spelling conventions.
6699
6700 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6701
6702         PR rtl-optimization/28173
6703         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
6704         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
6705         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
6706         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
6707         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
6708
6709 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6710
6711         * builtins.c (fold_builtin_load_exponent): New.
6712         (fold_builtin_2): Use it.
6713
6714 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
6715
6716         PR rtl-optimization/30773
6717         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
6718         if we fail to attach a REG_EQUIV note.
6719
6720 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
6721             Roger Sayle  <roger@eyesopen.com>
6722
6723         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
6724
6725 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6726
6727         * calls.c (initialize_argument_information): Pass original EXP
6728         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
6729         code to split complex arguments here, as part of initializing the
6730         ARGS array.
6731         (expand_call): Remove code that builds a list of arguments and
6732         inserts implicit arguments into it.  Instead, just count how many
6733         implicit arguments there will be so we can determine the size of
6734         the ARGS array, and let initialize_argument_information do the work.
6735         (split_complex_values): Delete unused function.
6736
6737 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6738
6739         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
6740
6741 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6742
6743         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
6744         for arg pointer based indexed addressing.
6745
6746 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6747
6748         * config/ia64/ia64.h, config/ia64/ia64.md,
6749         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
6750         spelling conventions.
6751
6752 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6753
6754         * config/m68k/m68k.c (split_di): New.
6755         * config/m68k/m68k-protos.h: Declare split_di.
6756         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
6757           Improve predicate handling and split constant shifts.
6758
6759 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6760
6761         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
6762         parameter for register bitfield operations, general predicates
6763         cleanup
6764
6765 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6766
6767         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
6768         * config/m68k/linux-unwind.h: New file.
6769
6770 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6771
6772         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
6773         config/i386/athlon.md, config/ia64/ia64.md,
6774         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
6775         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
6776         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
6777         tree-ssa-loop-niter.c, tree-vect-analyze.c,
6778         tree-vect-transform.c: Fix comment typos.
6779
6780 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
6781
6782         * sched-deps.c (find_insn_list): Remove.
6783         * sched-int.h: Remove the prototype for find_insn_list.
6784
6785 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
6786
6787         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
6788         to linker.
6789         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
6790         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
6791         darwin_rs6000_override_options.
6792         (C_COMMON_OVERRIDE_OPTIONS): Expect
6793         darwin_macosx_version_min to be non-NULL always.
6794         (TARGET_C99_FUNCTIONS): Likewise.
6795         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
6796         (DARWIN_MINVERSION_SPEC): New.
6797         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
6798         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
6799         to cc1*.
6800         (DARWIN_MINVERSION_SPEC): New.
6801         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
6802         value.
6803         * config/darwin-c.c (darwin_cpp_builtins): Expect
6804         darwin_macosx_version_min to be non-NULL always.
6805
6806         * config/rs6000/rs6000.c: Clean up trailing whitespace.
6807
6808 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
6809
6810         * config/i386/i386.h (x86_use_xchgb): New.
6811         (TARGET_USE_XCHGB): New macro.
6812         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
6813         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
6814         Split after reload into bswaphi for shifts of 8.
6815         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
6816         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
6817         or when optimizing for size.
6818
6819 2007-02-16  Richard Guenther  <rguenther@suse.de>
6820             Christian Bruel  <christian.bruel@st.com>
6821
6822         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
6823         DECLs but prefer SSA_NAMEs over DECLs.
6824
6825 2007-02-16  Richard Guenther  <rguenther@suse.de>
6826
6827         * tree-flow-inline.h (single_imm_use_p): Remove.
6828         (zero_imm_uses_p): Likewise.
6829         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
6830         instead of single_imm_use_p.
6831         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
6832         zero_imm_uses_p.
6833
6834 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6835
6836         PR other/27843
6837         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
6838         nested double- and backquotes.
6839
6840 2007-02-15  Roger Sayle  <roger@eyesopen.com>
6841
6842         PR middle-end/30391
6843         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
6844         should be unreachable.
6845         (build2_stat): Allow construction of MODIFY_EXPR at any time.
6846         For the time being redirect GIMPLE_MODIFY_STMT to the new
6847         (renamed) build_gimple_modify_stmt_stat.
6848         (build2_gimple_stat): Rename to...
6849         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
6850         Always build a GIMPLE_MODIFY_STMT node.
6851         * tree.h (build2_gimple, build2_gimple_stat): Delete.
6852         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
6853         declarations.
6854
6855         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
6856         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
6857         * tree-complex.c (set_component_ssa_name, expand_complex_move,
6858         expand_complex_div_wide): Likewise.
6859         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
6860         * tree-ssa-loop-im.c (schedule_sm): Likewise.
6861         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
6862         * tree-ssa-loop-manip.c (create_iv): Likewise.
6863         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
6864         abs_replacement): Likewise.
6865         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
6866         realify_fake_stores): Likewise.
6867
6868         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
6869         node rather than a GIMPLE_MODIFY_STMT node.
6870         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
6871         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
6872         Likewise.
6873         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
6874         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
6875         GIMPLE_MODIFY_STMT.
6876
6877 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6878
6879         PR middle-end/30433
6880         * fold-const.c (fold_comparison): Add back the
6881         folding of constant complex comparisions.
6882
6883 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6884
6885         PR middle-end/30729
6886         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
6887         effects unknown to this function, return early.
6888
6889 2007-02-15  Ian Lance Taylor  <iant@google.com>
6890
6891         * lower-subreg.c (move_eh_region_note): New static function.
6892         (resolve_simple_move): Call it.
6893         (decompose_multiword_subregs): Track blocks for which we resolve a
6894         simple move which is also a control flow insn.  Pass them to
6895         find_many_sub_basic_blocks.
6896         (pass_lower_subreg): Add TODO_verify_flow.
6897         (pass_lower_subreg2): Likewise.
6898
6899 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6900             Brooks Moses  <brooks.moses@codesourcery.com>
6901             Lee Millward  <lee.millward@codesourcery.com>
6902
6903         * tree.h (enum tree_code_class): Add tcc_vl_exp.
6904         (VL_EXP_CLASS_P): New.
6905         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
6906         TREE_CODE_LENGTH.
6907         (TREE_OPERAND_CHECK_CODE): Likewise.
6908         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
6909         (TREE_RTL_OPERAND_CHECK): Likewise.
6910         (tree_operand_check_failed): Make second parameter the whole tree
6911         instead of its code.  Fixed callers.
6912         (VL_EXP_CHECK): New.
6913         (TREE_OPERAND_LENGTH): New.
6914         (VL_EXP_OPERAND_LENGTH): New.
6915         (CALL_EXPR_FN): New.
6916         (CALL_EXPR_STATIC_CHAIN): New.
6917         (CALL_EXPR_ARGS): New.
6918         (CALL_EXPR_ARG): New.
6919         (call_expr_nargs): New.
6920         (CALL_EXPR_ARGP): New.
6921         (build_nt_call_list): Declare.
6922         (build_vl_exp_stat): Declare.
6923         (build_vl_exp): New.
6924         (build_call_list): Declare.
6925         (build_call_nary): Declare.
6926         (build_call_valist): Declare.
6927         (build_call_array): Declare.
6928         (call_expr_arg): Declare.
6929         (call_expr_argp): Declare.
6930         (call_expr_arglist): Declare.
6931         (fold_build_call_list): Declare.
6932         (fold_build_call_list_initializer): Declare.
6933         (fold_call_expr): Declare to replace fold_builtin.
6934         (fold_builtin_fputs): Update to agree with modified definition.
6935         (fold_builtin_strcpy): Likewise.
6936         (fold_builtin_strncpy): Likewise.
6937         (fold_builtin_memory_chk): Likewise.
6938         (fold_builtin_stxcpy_chk): Likewise.
6939         (fold_builtin_strncpy_chk): Likewise.
6940         (fold_builtin_next_arg): Likewise.
6941         (fold_build_call_expr): Declare.
6942         (fold_builtin_call_list): Declare.
6943         (fold_builtin_call_valist): Declare.
6944         (build_call_expr): Declare.
6945         (validate_arglist): Update to agree with modified definition.
6946         (tree_operand_length): New.
6947         (call_expr_arg_iterator): New.
6948         (init_call_expr_arg_iterator): New.
6949         (next_call_expr_arg): New.
6950         (first_call_expr_arg): New.
6951         (more_call_expr_args_p): New.
6952         (FOR_EACH_CALL_EXPR_ARG): New.
6953
6954         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
6955         and tcc_gimple_stmt.
6956         (tree_code_size): Update documentation.  Use sizeof (tree) rather
6957         than sizeof (char *).
6958         (tree_size): Likewise.  Add case for tcc_vl_exp.
6959         (tree_node_structure): Add case for tcc_vl_exp.
6960         (contains_placeholder_p): Likewise.
6961         (substitute_in_expr): Likewise.
6962         (substitute_placeholder_in_expr): Likewise.
6963         (stabilize_reference_1): Likewise.
6964         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
6965         to diagnose breakage of this interface for constructing CALL_EXPRs.
6966         (build_nt): Add similar assertion here.
6967         (build_nt_call_list): New.
6968         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
6969         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
6970         TREE_CODE_LENGTH.
6971         (get_callee_fndecl): Use new CALL_EXPR accessors.
6972         (tree_operand_check_failed): Change parameters to pass entire node
6973         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
6974         (process_call_operands): New.
6975         (build_vl_exp_stat): New.
6976         (build_call_list): New.
6977         (build_call_nary): New.
6978         (build_call_valist): New.
6979         (build_call_array): New.
6980         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6981         (call_expr_arglist): New.
6982
6983         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
6984         tcc_vl_exp instead of a fixed-size tcc_expression.
6985
6986         * doc/c-tree.texi (CALL_EXPR): Document new representation and
6987         accessors for CALL_EXPRs.
6988         (AGGR_INIT_EXPR): Likewise.
6989
6990 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6991             Brooks Moses  <brooks.moses@codesourcery.com>
6992             Lee Millward  <lee.millward@codesourcery.com>
6993
6994         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
6995         (expand_builtin_nonlocal_goto): Change parameter to be entire
6996         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
6997         (expand_builtin_prefetch): Likewise.
6998         (expand_builtin_classify_type): Likewise.
6999         (mathfn_built_in): Return NULL_TREE instead of 0.
7000         (expand_errno_check): Use new CALL_EXPR accessors.
7001         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
7002         Return NULL_RTX instead of 0.
7003         (expand_builtin_mathfn_2): Likewise.
7004         (expand_builtin_mathfn_3): Likewise.
7005         (expand_builtin_interclass_mathfn): Likewise.
7006         (expand_builtin_sincos): Likewise.
7007         (expand_builtin_cexpi): Likewise.
7008         (expand_builtin_int_roundingfn): Likewise.
7009         (expand_builtin_int_roundingfn_2): Likewise.
7010         (expand_builtin_pow): Likewise.
7011         (expand_builtin_powi): Likewise.
7012         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
7013         of arglist, fixing callers appropriately.  Use new CALL_EXPR
7014         accessors and constructors.  Return NULL_RTX instead of 0.
7015         (expand_builtin_strstr): Likewise.
7016         (expand_builtin_strchr): Likewise.
7017         (expand_builtin_strrchr): Likewise.
7018         (expand_builtin_strpbrk): Likewise.
7019         (expand_builtin_memcpy): Likewise.
7020         (expand_builtin_mempcpy): Likewise.
7021         (expand_builtin_mempcpy_args): New.
7022         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
7023         (expand_builtin_memmove_args): New.
7024         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
7025         (expand_movstr): Likewise.
7026         (expand_builtin_strcpy): Likewise.
7027         (expand_builtin_strcpy_args): New.
7028         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
7029         (expand_builtin_strncpy): Likewise.
7030         (expand_builtin_memset): Likewise.
7031         (expand_builtin_memset_args): New.
7032         (expand_builtin_bzero): Similarly to expand_builtin_memset.
7033         (expand_builtin_memcmp): Likewise.
7034         (expand_builtin_strcmp): Likewise.
7035         (expand_builtin_strncmp): Likewise.
7036         (expand_builtin_strcat): Likewise.
7037         (expand_builtin_strncat): Likewise.
7038         (expand_builtin_strspn): Likewise.
7039         (expand_builtin_strcspn): Likewise.
7040         (expand_builtin_args_info): Likewise.
7041         (expand_builtin_va_start): Likewise.
7042         (gimplify_va_arg_expr): Likewise.
7043         (expand_builtin_va_end): Likewise.
7044         (expand_builtin_va_copy): Likewise.
7045         (expand_builtin_frame_address): Likewise.
7046         (expand_builtin_alloca): Likewise.
7047         (expand_builtin_bswap): Likewise.
7048         (expand_builtin_unop): Likewise.
7049         (expand_builtin_fputs): Likewise.
7050         (expand_builtin_expect): Likewise.
7051         (expand_builtin_fabs): Likewise.
7052         (expand_builtin_copysign): Likewise.
7053         (expand_builtin_printf): Likewise.
7054         (expand_builtin_fprintf): Likewise.
7055         (expand_builtin_sprintf): Likewise.
7056         (expand_builtin_init_trampoline): Likewise.
7057         (expand_builtin_signbit): Likewise.
7058         (expand_builtin_fork_or_exec): Likewise.
7059         (expand_builtin_sync_operation): Likewise.
7060         (expand_builtin_compare_and_swap): Likewise.
7061         (expand_builtin_lock_test_and_set): Likewise.
7062         (expand_builtin_lock_release): Likewise.
7063         (expand_builtin): Likewise.
7064         (builtin_mathfn_code): Likewise.
7065
7066         (fold_builtin_constant_p): Pass call arguments individually instead
7067         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7068         accessors and constructors.  Return NULL_TREE instead of 0.
7069         (fold_builtin_expect): Likewise.
7070         (fold_builtin_classify_type): Likewise.
7071         (fold_builtin_strlen): Likewise.
7072         (fold_builtin_nan): Likewise.
7073         (integer_valued_real_p): Likewise.
7074         (fold_trunc_transparent_mathfn): Likewise.
7075         (fold_fixed_mathfn): Likewise.
7076         (fold_builtin_cabs): Likewise.
7077         (fold_builtin_sqrt): Likewise.
7078         (fold_builtin_cbrt): Likewise.
7079         (fold_builtin_cos): Likewise.
7080         (fold_builtin_cosh): Likewise.
7081         (fold_builtin_tan): Likewise.
7082         (fold_builtin_sincos): Likewise.
7083         (fold_builtin_cexp): Likewise.
7084         (fold_builtin_trunc): Likewise.
7085         (fold_builtin_floor): Likewise.
7086         (fold_builtin_ceil): Likewise.
7087         (fold_builtin_round): Likewise.
7088         (fold_builtin_int_roundingfn): Likewise.
7089         (fold_builtin_bitop): Likewise.
7090         (fold_builtin_bswap): Likewise.
7091         (fold_builtin_logarithm): Likewise.
7092         (fold_builtin_hypot): Likewise.
7093         (fold_builtin_pow): Likewise.
7094         (fold_builtin_powi): Likewise.
7095         (fold_builtin_exponent): Likewise.
7096         (fold_builtin_memset): Likewise.
7097         (fold_builtin_bzero): Likewise.
7098         (fold_builtin_memory_op): Likewise.
7099         (fold_builtin_bcopy): Deleted; call site changed to invoke
7100         fold_builtin_memory_op directly.
7101         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
7102         (fold_builtin_strncpy): Likewise.
7103         (fold_builtin_memcmp): Likewise.
7104         (fold_builtin_strcmp): Likewise.
7105         (fold_builtin_strncmp): Likewise.
7106         (fold_builtin_signbit): Likewise.
7107         (fold_builtin_copysign): Likewise.
7108         (fold_builtin_isascii): Likewise.
7109         (fold_builtin_toascii): Likewise.
7110         (fold_builtin_isdigit): Likewise.
7111         (fold_builtin_fabs): Likewise.
7112         (fold_builtin_abs): Likewise.
7113         (fold_builtin_fmin_fmax): Likewise.
7114         (fold_builtin_carg): Likewise.
7115         (fold_builtin_classify): Likewise.
7116         (fold_builtin_unordered_cmp): Likewise.
7117
7118         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
7119         New functions split out from fold_builtin_1.
7120         (fold_builtin_n): New.
7121         (fold_builtin_varargs): New.
7122         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
7123         instead.
7124         (fold_call_expr): New.
7125         (build_function_call_expr): Rewrite to use new helper function.
7126         (fold_builtin_call_list): New.
7127         (build_call_expr): New.
7128         (fold_builtin_call_valist): New.
7129         (rewrite_call_expr): New.
7130         (validate_arg): New.
7131         (validate_arglist): Change parameter to be entire CALL_EXPR instead
7132         of an arglist.  Change return type to bool.  Use new CALL_EXPR
7133         accessors.
7134
7135         (fold_builtin_strstr):  Pass call arguments individually instead
7136         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7137         accessors and constructors.  Return NULL_TREE instead of 0.
7138         (fold_builtin_strchr): Likewise.
7139         (fold_builtin_strrchr): Likewise.
7140         (fold_builtin_strpbrk): Likewise.
7141         (fold_builtin_strcat): Likewise.
7142         (fold_builtin_strncat): Likewise.
7143         (fold_builtin_strspn): Likewise.
7144         (fold_builtin_strcspn): Likewise.
7145         (fold_builtin_fputs): Likewise.
7146         (fold_builtin_next_arg): Likewise.
7147         (fold_builtin_sprintf): Likewise.
7148
7149         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
7150         NULL_RTX instead of 0.
7151         (expand_builtin_memory_chk): Likewise.
7152         (maybe_emit_chk_warning): Likewise.
7153         (maybe_emit_sprintf_chk_warning): Likewise.
7154
7155         (fold_builtin_object_size): Pass call arguments individually instead
7156         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7157         accessors and constructors.  Return NULL_TREE instead of 0.
7158         (fold_builtin_memory_chk): Likewise.
7159         (fold_builtin_stxcpy_chk): Likewise.
7160         (fold_builtin_strncpy_chk): Likewise.
7161         (fold_builtin_strcat_chk): Likewise.
7162         (fold_builtin_strcat_chk): Likewise.
7163         (fold_builtin_strncat_chk): Likewise.
7164         (fold_builtin_sprintf_chk): Likewise.
7165         (fold_builtin_snprintf_chk): Likewise.
7166         (fold_builtin_printf): Likewise.
7167         (fold_builtin_vprintf): Likewise.
7168
7169         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
7170         constructors.
7171         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
7172         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7173         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
7174         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
7175         (fold_unary): Likewise.
7176         (fold_binary): Likewise.
7177         (fold_ternary): Remove CALL_EXPR case, since they are no longer
7178         ternary expressions.
7179         (fold): Add logic for tcc_vl_exp.
7180         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
7181         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7182         (fold_build3_stat): Add assertion to flag broken interface for
7183         constructing CALL_EXPRs.
7184         (fold_build_call_list): New.
7185         (fold_build_call_list_initializer): New.
7186         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
7187         constructors.
7188         (fold_strip_sign_ops): Likewise.
7189
7190 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7191             Brooks Moses  <brooks.moses@codesourcery.com>
7192             Lee Millward  <lee.millward@codesourcery.com>
7193
7194         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
7195         accessors and dump arguments explicitly.
7196
7197         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
7198         TREE_CODE_LENGTH.
7199         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
7200         explicitly.
7201         (print_call_name): Use new CALL_EXPR accessors.
7202
7203         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
7204         CALL_EXPR arguments explicitly instead of as a list.  Use
7205         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7206
7207         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
7208         (vrp_visit_stmt): Likewise.
7209
7210         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
7211         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
7212         TREE_CODE_LENGTH.
7213         (force_move_till_expr): Likewise.
7214
7215         * targhooks.c (default_external_stack_protect_fail): Use
7216         build_call_expr instead of build_function_call_expr.
7217         (default_hidden_stack_protect_fail): Likewise.
7218
7219         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
7220         build the call.
7221
7222         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
7223         and walk arguments explicitly.
7224
7225         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
7226         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7227         (expand_simple_operations): Likewise.
7228         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
7229
7230         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
7231         of TREE_CODE_LENGTH.
7232         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
7233
7234         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
7235         instead of TREE_CODE_LENGTH.
7236
7237         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
7238         (tree_ic_transform): Likewise.
7239         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
7240         parameter instead of arglist.  Fix callers.
7241         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
7242         (tree_stringops_transform): Likewise.
7243         (tree_indirect_call_to_profile): Likewise.
7244         (tree_stringops_values_to_profile): Likewise.
7245
7246         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
7247         (eliminate_tail_call): Likewise.
7248
7249         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
7250
7251         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7252         Use TREE_OPERAND_LENGTH and generalize to handle any number of
7253         operands.
7254         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
7255
7256         * omp-low.c (build_omp_barrier): Use build_call_expr.
7257         (lower_rec_input_clauses): Likewise.
7258         (lower_reduction_clauses): Likewise.
7259         (expand_parallel_call): Likewise.
7260         (maybe_catch_exception): Likewise.
7261         (expand_omp_for_generic): Likewise.
7262         (expand_omp_for_static_nochunk): Likewise.
7263         (expand_omp_sections): Likewise.
7264         (lower_omp_single_simple): Likewise.
7265         (lower_omp_single_copy): Likewise.
7266         (lower_omp_master): Likewise.
7267         (lower_omp_ordered): Likewise.
7268         (lower_omp_critical): Likewise.
7269
7270         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
7271         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
7272
7273         * tree-gimple.c (is_gimple_call_addr): Fix doc.
7274         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
7275         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
7276
7277         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
7278         and generalize to handle any number of operands.
7279         (chrec_contains_undetermined): Likewise.
7280         (tree_contains_chrecs): Likewise.
7281         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
7282
7283         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
7284
7285         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
7286         fold_call_expr instead of fold_builtin.
7287         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
7288         match declarations there.
7289         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
7290         updates.
7291
7292         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
7293         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7294
7295         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
7296         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
7297
7298         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
7299         accessors.
7300
7301         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
7302         (execute_cse_sincos): Use new CALL_EXPR accessors.
7303
7304         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
7305
7306         * gimple-low.c (lower_function_body): Use build_call_expr.
7307         (lower_builtin_setjmp): Likewise.
7308
7309         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
7310         (set_storage_via_libcall): Likewise.
7311         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
7312         instead of TREE_CODE_LENGTH.
7313         (expand_expr_real_1): Use new CALL_EXPR accessors.
7314
7315         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
7316         generalize to handle any number of operands.
7317         (TB_parent_eq): Likewise.
7318
7319         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
7320         (strip_builtin_expect): Likewise.
7321
7322         * function.c (gimplify_parameters): Use build_call_expr.
7323
7324         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
7325         instead of TREE_CODE_LENGTH.
7326
7327         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
7328         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
7329
7330         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
7331         iterators.
7332
7333         * gimplify.c (build_stack_save_restore): Use build_call_expr.
7334         (gimplify_decl_expr): Likewise.
7335         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
7336         Use new CALL_EXPR iterators.
7337         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
7338         (gimplify_modify_expr_to_memset): Likewise.
7339         (gimplify_variable_sized_compare): Likewise.
7340         (gimplify_omp_atomic_fetch_op): Likewise.
7341         (gimplify_omp_atomic_pipeline): Likewise.
7342         (gimplify_omp_atomic_mutex): Likewise.
7343         (gimplify_function_tree): Likewise.
7344
7345         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7346         (call_expr_flags): Likewise.
7347         (expand_call): Likewise.
7348
7349         * except.c (expand_builtin_eh_return_data_regno): Pass entire
7350         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7351         accessors.
7352
7353         * coverage.c (create_coverage): Use build_call_expr.
7354
7355         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7356         (temp_call_expr_obstack): New.
7357         (pool_copy_list): Delete.
7358         (temp_copy_call_expr): New.
7359         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
7360         CALL_EXPR accessors.  Get rid of special goo for copying argument
7361         lists and use temp_copy_call_expr instead.
7362         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
7363         CALL_EXPR accessors.
7364         (create_expression_by_pieces): Likewise.  Use build_call_array
7365         to construct the result instead of fold_build3.
7366         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
7367         dealing with argument lists.
7368         (init_pre): Remove references to expression_node_pool and
7369         list_node_pool.  Init temp_call_expr_obstack instead.
7370         (fini_pre): Remove references to expression_node_pool and
7371         list_node_pool.
7372
7373         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7374         and walk arguments explicitly instead of as a list.
7375
7376         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7377         (mx_register_decls): Likewise.
7378         (mudflap_register_call): Likewise.
7379         (mudflap_finish_file): Likewise.
7380
7381         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
7382         (ipa_callsite_compute_param): Likewise.
7383
7384         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
7385         accessors and constructor.
7386
7387         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
7388         accessors and constructor.
7389         (convert_tramp_reference): Likewise.
7390         (convert_call_expr): Likewise.
7391         (finalize_nesting_tree_1): Likewise.
7392
7393         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
7394         accessors.
7395
7396         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
7397
7398         * tree-inline.c (initialize_inlined_parameters): Pass entire
7399         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7400         accessors.
7401         (estimate_num_insns_1): Use new CALL_EXPR accessors.
7402         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
7403
7404         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
7405         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7406         (vectorizable_reduction): Likewise.
7407         (vectorizable_call): Use new CALL_EXPR iterators.
7408         (vectorizable_conversion): Use build_call_expr.
7409         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
7410         (vect_gen_widened_results_half): Use build_call_expr.
7411         (vect_setup_realignment): Likewise.
7412         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
7413
7414         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7415         (pass_through_call): Likewise.
7416         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
7417         fold_builtin.
7418
7419         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7420         (tree_gen_pow2_profiler): Likewise.
7421         (tree_gen_one_value_profiler): Likewise.
7422         (tree_gen_ic_func_profiler): Likewise.
7423         (tree_gen_average_profiler): Likewise.
7424         (tree_gen_ior_profiler): Likewise.
7425
7426         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
7427         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
7428         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7429
7430         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
7431         of TREE_CODE_LENGTH.
7432
7433         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
7434         of TREE_CODE_LENGTH.
7435
7436         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
7437         constructor.
7438         (convert_to_integer): Likewise.
7439
7440         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
7441         accessors.
7442
7443 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7444             Brooks Moses  <brooks.moses@codesourcery.com>
7445             Lee Millward  <lee.millward@codesourcery.com>
7446
7447         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
7448         accessors.
7449         * config/frv/frv.c (frv_expand_builtin): Likewise.
7450         * config/s390/s390.c (s390_expand_builtin): Likewise.
7451
7452         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
7453         (sparc_expand_builtin): Use new CALL_EXPR accessors.
7454
7455         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
7456         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
7457         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
7458         (ix86_expand_store_builtin): Likewise.
7459         (ix86_expand_unop_builtin): Likewise.
7460         (ix86_expand_unop1_builtin): Likewise.
7461         (ix86_expand_sse_compare): Likewise.
7462         (ix86_expand_sse_comi): Likewise.
7463         (ix86_expand_vec_init_builtin): Likewise.
7464         (ix86_expand_vec_ext_builtin): Likewise.
7465         (ix86_expand_vec_set_builtin): Likewise.
7466         (ix86_expand_builtin): Use new CALL_EXPR accessors.
7467
7468         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
7469         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7470
7471         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
7472         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7473         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
7474
7475         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
7476         build_call_expr.
7477         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7478         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
7479         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7480         (altivec_expand_abs_builtin): Likewise.
7481         (rs6000_expand_binop_builtin): Likewise.
7482         (altivec_expand_predicate_builtin): Likewise.
7483         (altivec_expand_lv_builtin): Likewise.
7484         (spe_expand_stv_builtin): Likewise.
7485         (altivec_expand_stv_builtin): Likewise.
7486         (rs6000_expand_ternop_builtin): Likewise.
7487         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
7488         (altivec_expand_st_builtin): Likewise.
7489         (altivec_expand_dst_builtin): Likewise.
7490         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
7491         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7492         (altivec_expand_vec_set_builtin): Likewise.
7493         (altivec_expand_vec_ext_builtin): Likewise.
7494         (altivec_expand_builtin): Use new CALL_EXPR accessors.
7495         (spe_expand_builtin): Likewise.
7496         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
7497         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7498         (spe_expand_evsel_builtin): Likewise.
7499         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
7500         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
7501
7502         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
7503         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7504         (arm_expand_unop_builtin): Likewise.
7505         (arm_expand_builtin): Use new CALL_EXPR accessors.
7506
7507         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
7508         accessors.
7509
7510         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
7511         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7512         (bfin_expand_unop_builtin): Likewise.
7513         (bfin_expand_builtin): Use new CALL_EXPR accessors.
7514
7515 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7516             Brooks Moses  <brooks.moses@codesourcery.com>
7517             Lee Millward  <lee.millward@codesourcery.com>
7518
7519         * c-semantics.c (build_stmt): Add internal diagnostic check.
7520
7521         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
7522         accessors.  Print arguments explicitly instead of as a list.
7523
7524         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
7525
7526         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
7527         (c_finish_omp_flish): Likewise.
7528
7529         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
7530         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
7531         instead of TREE_CODE_LENGTH.
7532         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
7533         (c_warn_unused_result): Likewise.
7534
7535 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7536
7537         PR c/26494
7538         * doc/invoke.texi (Warning Options): Remove
7539         -Werror-implicit-function-declaration.
7540         (Wimplicit-function-declaration): Update description.
7541         * opts.c (common_handle_option): Move handling of -Werror=* to...
7542         (enable_warning_as_error): ...here.
7543         * opts.h (enable_warning_as_error): Declare.
7544         * c-decl.c (implicit_decl_warning): Unless
7545         -Wno-implicit-function-declaration is given, emit a pedwarn if
7546         -std=c99 or emit a warning if -Wimplicit-function-declaration.
7547         * c.opt (Wimplicit-function-declaration): Replace
7548         mesg_implicit_function_declaration with
7549         warn_implicit_function_declaration.
7550         * c-opts.c (c_common_handle_option):
7551         -Werror-implicit-function-declaration is exactly equal as
7552         -Werror=implicit-function-declaration.
7553         (set_Wimplicit): Replace mesg_implicit_function_declaration with
7554         warn_implicit_function_declaration.
7555         (c_common_post_options): -Wimplict-function-declaration is enabled
7556         by default by -std=c99, otherwise is disabled by default.
7557         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
7558
7559 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7560
7561         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
7562         DECL on the rhs to a DECL on the lhs for debug info purposes if the
7563         former is ignored but not the latter.
7564
7565 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7566
7567         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
7568         is made and the reference doesn't use the alias set of its type,
7569         do not create the temporary using that type.
7570
7571 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
7572
7573         * jump.c: Remove prototypes for delete_computation and
7574         delete_prior_computation.
7575
7576 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7577
7578         * jump.c (get_label_after): Delete.
7579         (get_label_before, delete_computation, delete_jump,
7580         delete_prior_computation, follow_jumps): Move...
7581         * reorg.c (delete_computation, delete_prior_computation): ... here...
7582         (get_label_before, delete_jump): ... making these static ...
7583         (follow_jumps): ... and simplifying this since it only runs after
7584         reload.
7585         * rtl.h (get_label_after, get_label_before, delete_jump,
7586         follow_jumps): Delete prototypes.
7587
7588 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7589
7590         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7591
7592 2007-02-15  Nick Clifton  <nickc@redhat.com>
7593
7594         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7595         order to prevent it from being munged by the target.
7596
7597 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
7598
7599         * config/i386/i386.md: Remove misleading comment.
7600
7601 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7602
7603         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7604         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7605         invalid patterns.
7606
7607 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7608
7609         * tree-sra.c (instantiate_missing_elements): Canonicalize
7610         bit-field types.
7611         (sra_build_assignment): New.
7612         (generate_copy_inout, generate_element_copy,
7613         generate_element_zero, generate_one_element_init): Use it.
7614
7615 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7616
7617         * tree-sra.c (instantiate_missing_elements): Canonicalize
7618         bit-field types.
7619         (sra_build_assignment): New.
7620         (generate_copy_inout, generate_element_copy,
7621         generate_element_zero, generate_one_element_init): Use it.
7622
7623 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7624
7625         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7626         limbo die nodes.
7627
7628 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7629
7630         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7631         types as aggregates not scalars.
7632         * function.c (assign_stack_temp_for_type): Likewise.
7633
7634 2007-02-14  Roger Sayle  <roger@eyesopen.com>
7635             Zdenek Dvorak  <dvorakz@suse.cz>
7636
7637         * tree-dump.c (dump_switch_p_1): Require exact match of the option
7638         name.
7639
7640 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
7641
7642         * passes.c (next_pass_1): Clear the next field of the copied
7643         pass structure.
7644
7645 2007-02-14  Richard Henderson  <rth@redhat.com>
7646
7647         * tree-sra.c (early_sra): New.
7648         (decl_can_be_decomposed_p): Deny va_list if early_sra.
7649         (tree_sra_early, pass_sra_early): New.
7650         * tree-pass.h (pass_sra_early): Declare.
7651         * passes.c (init_optimization_passes): Use it.
7652
7653 2007-02-14  Richard Guenther  <rguenther@suse.de>
7654
7655         * flags.h (issue_strict_overflow_warning): Convert to a macro.
7656
7657 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
7658
7659          PR tree-optimization/30771
7660         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
7661         also phi nodes.
7662         (vect_analyze_operations): Induction phis can now be marked as
7663         used_in_loop.
7664         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
7665         Update documentation accordingly.
7666
7667 2007-02-14  Nick Clifton  <nickc@redhat.com>
7668
7669         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
7670         most 3 arguments are supported.
7671         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
7672
7673 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
7674
7675         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
7676         Ensure dst->current is valid.
7677
7678 2007-02-13  Paul Brook  <paul@codesourcery.com>
7679
7680         * config.gcc: Add arm*-*-uclinux-*eabi.
7681         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
7682         (SUBTARGET_EXTRA_LINK_SPEC): Define.
7683         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
7684         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
7685         (LINK_SPEC): Define.
7686         (LIB_SPEC): Define.
7687         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
7688         register.
7689         * config/arm/uclinux-eabi.h: New file.
7690         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
7691         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
7692         based targets.
7693
7694 2007-02-13  Ian Lance Taylor  <iant@google.com>
7695
7696         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
7697         * flags.h (warn_strict_overflow): Declare.
7698         (enum warn_strict_overflow_code): Define.
7699         (issue_strict_overflow_warning): New static inline function.
7700         * opts.c (warn_strict_overflow): New variable.
7701         (common_handle_option): Handle OPT_Wstrict_overflow and
7702         OPT_Wstrict_overflow_.
7703         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
7704         OPT_Wall.
7705         * fold-const.c: Include intl.h.
7706         (fold_deferring_overflow_warnings): New static variable.
7707         (fold_deferred_overflow_warning): New static variable.
7708         (fold_deferred_overflow_code): New static variable.
7709         (fold_defer_overflow_warnings): New function.
7710         (fold_undefer_overflow_warnings): New function.
7711         (fold_undefer_and_ignore_overflow_warnings): New function.
7712         (fold_deferring_overflow_warnings_p): New function.
7713         (fold_overflow_warning): New static function.
7714         (make_range): Add strict_overflow_p parameter.  Change all
7715         callers.
7716         (extract_muldiv, extract_muldiv_1): Likewise.
7717         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
7718         tree_expr_nonnegative_p.
7719         (fold_negate_expr): Call fold_overflow_warning.
7720         (fold_range_test): Likewise.
7721         (fold_comparison): Likewise.
7722         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
7723         instead of tree_expr_nonnegative_p.
7724         (tree_expr_nonnegative_warnv_p): Rename from
7725         tree_expr_nonnegative_p, add strict_overflow_p parameter.
7726         (tree_expr_nonnegative_p): New function.
7727         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
7728         strict_overflow_p parameter.
7729         (tree_expr_nonzero_p): New function.
7730         * passes.c (verify_interpass_invariants): New static function.
7731         (execute_one_pass): Call it.
7732         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
7733         warnings.
7734         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
7735         (estimate_numbers_of_iterations): Likewise.
7736         (scev_probably_wraps_p): Likewise.
7737         * tree-ssa-ccp.c: Include "toplev.h".
7738         (evaluate_stmt): Defer fold overflow warnings until we know we are
7739         going to optimize.
7740         (struct fold_stmt_r_data): Add stmt field.
7741         (fold_stmt_r): Defer fold overflow warnings until we know we
7742         optimized.
7743         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
7744         (fold_stmt_inplace): Likewise.
7745         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
7746         (cleanup_control_expr_graph): Defer fold overflow warnings until
7747         we know we are going to optimize.
7748         * tree-cfg.c (fold_cond_expr_cond): Likewise.
7749         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
7750         Likewise.
7751         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
7752         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
7753         * tree-ssa-loop-manip.c (create_iv): Likewise.
7754         * c-typeck.c (build_conditional_expr): Likewise.
7755         (build_binary_op): Likewise.
7756         * tree-vrp.c (vrp_expr_computes_nonzero): Call
7757         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
7758         (extract_range_from_unary_expr): Likewise.
7759         * simplify-rtx.c (simplify_const_relational_operation): Warn when
7760         assuming that signed overflow does not occur.
7761         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
7762         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
7763         (fold_defer_overflow_warnings): Declare.
7764         (fold_undefer_overflow_warnings): Declare.
7765         (fold_undefer_and_ignore_overflow_warnings): Declare.
7766         (fold_deferring_overflow_warnings_p): Declare.
7767         (tree_expr_nonzero_warnv_p): Declare.
7768         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
7769         of warning options.
7770         (Warning Options): Document -Wstrict-overflow.
7771         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
7772         (tree-ssa-ccp.o): Likewise.
7773         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
7774         (fold-const.o): Depend on intl.h.
7775
7776 2007-02-13  Ian Lance Taylor  <iant@google.com>
7777
7778         PR middle-end/30751
7779         * lower-subreg.c (resolve_simple_move): Decompose subregs in
7780         addresses.
7781
7782 2007-02-13  Stuart Hastings  <stuart@apple.com>
7783
7784         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
7785
7786 2007-02-13  Richard Henderson  <rth@redhat.com>
7787
7788         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
7789         handled_component_p before looking for the indirect_ref.
7790
7791 2007-02-13  Richard Henderson  <rth@redhat.com>
7792
7793         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
7794         remove flags clobber.
7795         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
7796         (bswaphi_lowpart): New.
7797         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
7798         remove TARGET_BSWAP test.  Delete expander of the same name.
7799
7800         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
7801         (expand_unop): Use them.
7802
7803 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
7804
7805         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
7806         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
7807         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
7808         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
7809         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
7810         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
7811         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
7812         assembler dialect choice from asm templates.
7813
7814 2007-02-12  Richard Henderson  <rth@redhat.com>
7815
7816         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
7817         (fixuns_trunc<SSEMODEF>si2): Use it.
7818         * config/i386/sse.md (vec_setv4sf_0): Export.
7819         * config/i386/i386.c (ix86_build_const_vector): Export.
7820         (ix86_split_convert_uns_si_sse): Rename from
7821         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
7822         * config/i386/i386-protos.h: Update.
7823
7824 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7825
7826         PR c/29521
7827         * c-typeck.c (c_finish_return): Improve warning message.
7828
7829 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7830
7831         * alias.c (find_symbolic_term): Delete unused function.
7832
7833 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
7834
7835         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
7836         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
7837         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
7838
7839 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7840
7841         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
7842         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
7843         the function, temporarily point the debug interface to the null one.
7844
7845 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7846
7847         * dwarf2out.c (round_up_to_align): New static function.
7848         (field_byte_offset): Use it to round the offset.
7849
7850 2007-02-12  Richard Henderson  <rth@redhat.com>
7851
7852         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
7853         (inswl_const): Export.
7854
7855 2007-02-12  Richard Henderson  <rth@redhat.com>
7856
7857         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
7858         result mode of the libcall, convert back to outmode.
7859
7860 2007-02-12  Roger Sayle  <roger@eyesopen.com>
7861
7862         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
7863         (bswapdi2): New define_expand to implement 32-bit implementation.
7864
7865 2007-02-12  Nick Clifton  <nickc@redhat.com>
7866
7867         * doc/invoke.texi (Overall Options): Document --help=.
7868         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
7869         (cc1_options): Pass --help= on to cc1.
7870         (display_help): Add description of --help=.
7871         (process_command): Add code to handle --help=.  Allow translated
7872         --help and --target-help switches to be passed on to compiler
7873         sub-process.
7874         (main): Remove unused if statement.
7875         * opts.c (columns): Remove.
7876         (LEFT_COLUMN): Define.
7877         (wrap_help): Add columns argument.
7878         (print_filtered_help): Change parameters to be an include bitmask,
7879         an exclude bitmask, an any bitmask and the column width.  Move the
7880         code to display the params list here.  Add code to display the
7881         status of options rather than their descriptions if the quiet flag
7882         is not active.
7883         (print_specific_help): Change parameters to be an include bitmask,
7884         an exclude bitmask and an any bitmask.  Move code to look up the
7885         column width here.  Decide upon the title for an options listing.
7886         (common_handle_options): Add code to handle --help=.  Adapt code
7887         for --help and --target-help to use the revised form of the
7888         print_specific_help function.
7889         (print_help): Delete.
7890         (print_param_help): Delete.
7891         (print_switch): Delete.
7892         * opts.h (cl_lang_count): Add prototype.
7893         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
7894         CL_MAX_OPTION_CLASS): New defines.
7895         * optc-gen.awk: Add construction of cl_lang_count.
7896         * c.opt: Add Warning attribute to warning options and Optimization
7897         attribute to optimization options.
7898         * common.opt: Likewise.
7899         Add --help=.
7900         Add -fhelp and -ftarget-help as aliases for the transformed --help
7901         and --target-help options.
7902         * opt-functions.awk: Add code to handle Warning and Optimization
7903         attributes.
7904
7905 2007-02-12  Richard Henderson  <rth@redhat.com>
7906
7907         * config/alpha/constraints.md: New file.
7908         * config/alpha/alpha.c: Include tm-constrs.h.
7909         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
7910         alpha_extra_constraint): Remove.
7911         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
7912         * config/alpha/alpha-protos.h: Update.
7913         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
7914         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
7915         (EXTRA_CONSTRAINT): Remove.
7916         * config/alpha/alpha.md: Include constraints.md.
7917         (adddi splitter): Use satisfies_constraint_*.
7918         * config/alpha/predicates.md (add_operand): Likewise.
7919         (sext_add_operand, addition_operation): Likewise.
7920
7921 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
7922
7923         PR tree-optimization/29145
7924         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
7925         in our handling of restrict qualified pointers.
7926
7927 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7928
7929         PR middle-end/7651
7930         * doc/invoke.texi (Wunused-value): Update description.
7931         (Wextra): Delete item.
7932         * opts.c (set_Wextra): Don't use the value of Wextra to set the
7933         value of Wunused-value.
7934         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
7935         (c_finish_stmt_expr): Don't check extra_warnings.
7936         (emit_side_effect_warnings): The caller is responsible to check
7937         warn_unused_value.
7938
7939 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7940             Matt Thomas  <matt@3am-software.com>
7941
7942         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
7943
7944 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7945
7946         * simplify-rtx.c (simplify_relational_operation_1): Optimize
7947         comparisons of POPCOUNT against zero.
7948         (simplify_const_relational_operation): Likewise.
7949
7950 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7951
7952         * doc/invoke.texi (Wextra): Delete outdated paragraph.
7953
7954 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7955
7956         * dwarf2out.c (root_type): Delete unused function.
7957
7958 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7959
7960         * genattrtab.c (contained_in_p): Delete unused function.
7961         (write_expr_attr_cache): Likewise.
7962
7963 2007-02-11  Jan Hubicka  <jh@suse.cz>
7964
7965         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
7966         previous patch.
7967
7968 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
7969
7970         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
7971         to add the REG_EQ* note.
7972         * see.c (see_merge_one_use_extension): Likewise.
7973         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
7974         turn REG_EQUAL notes into REG_EQUIV notes if the target
7975         register may have more than one set.
7976         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
7977         * gcse.c (try_replace_reg): Likewise.
7978         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
7979         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
7980         more than one REG_EQUIV note.
7981         * reload1.c (gen_reload): Use set_unique_reg_note.
7982
7983 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
7984
7985         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
7986         (ix86_builtin_conversion): New function.
7987
7988 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
7989
7990         PR target/29487
7991         * tree.h (DECL_REPLACEABLE_P): New macro.
7992         * except.c (set_nothrow_function_flags): Likewise.
7993
7994 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
7995             Ira Rosen  <irar@il.ibm.com>
7996             Dorit Nuzman  <dorit@il.ibm.com>
7997
7998         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
7999         * targhooks.c (default_builtin_vectorized_conversion): New.
8000         * targhooks.h (default_builtin_vectorized_function): New declaration.
8001         * target.h (struct vectorize): Add builtin_conversion field.
8002         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
8003         stmt_vec_info_type value.
8004         (vectorizable_conversion): New declaration.
8005         * tree-vect-analyze.c (vect_analyze_operations): Add
8006         vectorizable_conversion call.
8007         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
8008         * tree-vect-transform.c (vectorizable_conversion): New function.
8009         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
8010         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
8011         mode.
8012         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
8013         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
8014         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
8015         or ALTIVEC_BUILTIN_VCFSX.
8016
8017 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8018
8019         PR target/30634
8020         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
8021         CONST_DOUBLE and operand 0 is a hard register.
8022         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
8023         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
8024         is a hard floating-point register.
8025
8026 2007-02-10  Richard Henderson  <rth@redhat.com>
8027             Jakub Jelinek  <jakub@redhat.com>
8028             Alexandre Oliva  <aoliva@redhat.com>
8029
8030         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
8031         * builtin-types.def (BT_WORD): Make unsigned.
8032         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8033         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8034         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8035         * c-decl.c (grokdeclarator): Don't error if !have_tls.
8036         * c-parser.c (c_parser_omp_threadprivate): Likewise.
8037         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8038         emulated tls.
8039         * expr.c (emutls_var_address): New.
8040         (expand_expr_real_1): Expand emulated tls.
8041         (expand_expr_addr_expr_1): Likewise.
8042         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8043         * output.h (emutls_finish): Declare.
8044         * toplev.c (compile_file): Call it.
8045         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8046         address before wrapping in CONST.
8047         * varasm.c (emutls_htab, emutls_object_type): New.
8048         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8049         (get_emutls_object_name, get_emutls_object_type): New.
8050         (get_emutls_init_templ_addr, emutls_decl): New.
8051         (emutls_common_1, emutls_finish): New.
8052         (assemble_variable): When emulating tls, swap decls; generate
8053         constructor for the emutls objects.
8054         (do_assemble_alias): When emulating tls, swap decl and target name.
8055         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8056         for emulated tls.
8057         * varpool.c (decide_is_variable_needed): Look at force_output.
8058         Recurse for emulated tls.
8059         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
8060         with decide_is_variable_needed.
8061         * emutls.c: New file.
8062         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8063         tls_object for real tls.
8064
8065 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
8066
8067         PR rtl-optimization/29599
8068         * reload1.c (eliminate_regs_in_insn): Take the destination
8069         mode into account when computing the offset.
8070
8071 2007-02-09  Stuart Hastings  <stuart@apple.com>
8072             Richard Henderson  <rth@redhat.com>
8073
8074         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8075         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8076         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
8077         fixuns_truncdfhi2): New.
8078         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
8079         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
8080         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
8081         (floatunssidf2): Allow nonimmediate source.
8082         * config/i386/sse.md (movdi_to_sse): New.
8083         (vec_concatv2di): Drop '*'.
8084         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
8085         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8086         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
8087         New.
8088         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
8089         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8090         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
8091         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
8092         (ix86_build_signbit_mask): Fix decl of v, refactor to call
8093         ix86_build_const_vector.
8094         (x86_emit_floatuns): Rewrite.
8095
8096 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8097
8098         * genautomata.c (longest_path_length): Delete unused function.
8099         (struct state): Delete unused longest_path_length.
8100         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
8101         (get_free_state): Delete unused.
8102
8103 2007-02-09  Jan Hubicka  <jh@suse.cz>
8104
8105         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
8106         * doc/invoke.texi (inline-unit-growth): Update default value.
8107
8108         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
8109         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
8110         (rebuild_cgraph_edges): Likewise.
8111         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
8112         (dump_cgraph_node): Dump frequencies.
8113         (cgraph_clone_edge): Add frequency scales.
8114         (cgraph_clone_node): Add freuqnecy.
8115         * cgraph.h (cgraph_edge): Add freuqnecy argument.
8116         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
8117         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
8118         * tree-pass.h (TODO_rebuild_frequencies): New constant.
8119         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
8120         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
8121         (save_inline_function_body): Likewise.
8122         * ipa-inline.c: inluce rtl.h
8123         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
8124         (cgraph_edge_badness): Use frequencies.
8125         (cgraph_decide_recursive_inlining): Update clonning.
8126         (cgraph_decide_inlining_of_small_function): Dump frequency.
8127         * predict.c (estimate_bb_frequencies): Export.
8128         * predict.h (estimate_bb_frequencies): Declare.
8129         * tree-inline.c (copy_bb): Watch overflows.
8130         (expand_call_inline): Update call of cgraph_create_edge.
8131         (optimize_inline_calls): Use TODO flags to update frequnecies.
8132         * passes.h: Include predict.h
8133         (init_optimization_passes): Move profile ahead.
8134         (execute_function_todo): Handle TODO_rebuild_frequencies.
8135
8136 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8137
8138         * config/alpha/alpha.c (emit_insxl): Force the first operand of
8139         the insbl or inswl pattern into a register.
8140
8141 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8142
8143         * config/ia64/ia64.md (bswapdi2): New define_insn.
8144
8145 2007-02-09  Richard Henderson  <rth@redhat.com>
8146
8147         * config/i386/constraints.md (Ym): New constraint.
8148         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
8149         (movdi_1_rex64): Split sse and xmm general register moves from
8150         memory move alternatives.  Use conditional register constraints.
8151         (movsf_1, movdf_integer): Likewise.
8152         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8153         (movdf_integer_rex64): New.
8154         (pushsf_rex64): Fix output constraints.
8155         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
8156         (sse2_stored): Likewise.
8157         (sse2_storeq_rex64): New.
8158         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
8159         amd and not generic.
8160         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
8161         for optimize_size.  Remove SF/DFmode hack.
8162
8163 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
8164
8165         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
8166         (bit_SSE4a): New.
8167
8168 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
8169             Richard Sandiford  <richard@codesourcery.com>
8170
8171         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
8172         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
8173         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
8174         m68k/t-mlib to tmake_file.
8175         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
8176         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
8177         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
8178         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
8179         variable is not empty, add t-$m68k_arch_family to tmake_file.
8180         Add t-mlibs to tmake_file.
8181         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
8182         * config/m68k/t-cf: New file.
8183         * config/m68k/t-m68k: Likewise.
8184         * config/m68k/t-mlibs: Likewise.
8185         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8186         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8187         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8188         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8189         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
8190         Delete.
8191         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
8192         (INSTALL_LIBGCC): Delete.
8193         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8194         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8195         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8196         (M68K_MLIB_CPU): Define.
8197         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8198         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8199         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
8200
8201 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8202             Richard Guenther  <rguenther@suse.de>
8203
8204         PR middle-end/23361
8205         * fold-const.c (fold_comparison): Handle obfuscated comparisons
8206         against INT_MIN/INT_MAX.
8207         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
8208         file if a loop is removed.
8209
8210 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
8211
8212         * calls.c (store_one_arg): Pass correct alignment to
8213         emit_push_insn for non-BLKmode values.
8214         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
8215         unaligned stack slot via a suitably aligned slot.
8216
8217 2007-02-08  DJ Delorie  <dj@redhat.com>
8218
8219         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
8220         warnings.
8221         (legal_subregs): Use unsigned char, make const.
8222         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
8223
8224 2007-02-08  Paul Brook  <paul@codesourcery.com>
8225
8226         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
8227         special interworking needed.
8228
8229 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
8230
8231         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
8232         conditional to __SSE2__.
8233         (Entries below should have been added to first ChangeLog
8234         entry for amdfam10 dated 2007-02-05)
8235         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
8236         defined.
8237         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
8238         defined.
8239         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
8240         defined.
8241
8242 2007-02-08  DJ Delorie  <dj@redhat.com>
8243
8244         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
8245         * config/m32c/m32c.c (legal_subregs): New.
8246         (m32c_illegal_subreg_p): New.
8247         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
8248         unsupported subregs of hard regs.
8249
8250 2007-02-08  Jan Hubicka  <jh@suse.cz>
8251
8252         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
8253         the same one; always update histograms.
8254
8255 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8256
8257         * passes.c (init_optimization_passes): Tidy comment.
8258
8259 2007-02-08  Roger Sayle  <roger@eyesopen.com>
8260
8261         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
8262         strip zero_extend, bswap and rotates from POCOUNT's argument.
8263         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
8264         zero_extend and rotates from PARITY's argument.
8265         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
8266         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
8267         of an integer constant at compile-time.
8268
8269 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8270
8271         PR 30562
8272         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
8273         Update all users.
8274         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
8275         users.
8276         (init_alias_info):
8277         * tree-ssa-live.c (remove_unused_locals): Do not remove
8278         TREE_ADDRESSABLE variables.
8279         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
8280         * tree-ssa-operands.c (add_virtual_operand): Remove argument
8281         FOR_CLOBBER.  Update all users.
8282         If VAR has an associated alias set, add a virtual operand for
8283         it if no alias is found to conflict with the memory reference.
8284
8285 2007-02-07  Jan Hubicka  <jh@suse.cz>
8286             Robert Kidd <rkidd@crhc.uiuc.edu>
8287
8288         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
8289
8290 2007-02-07  Ian Lance Taylor  <iant@google.com>
8291
8292         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
8293
8294 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8295
8296         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
8297         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
8298         tablejumpdi, movsi_to_cr_one): Remove constraints from
8299         define_expand's match_operands.
8300
8301 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8302
8303         * global.c (compute_regsets): Move declatation of "i" inside of
8304         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
8305
8306 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
8307
8308         PR c++/30703
8309         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
8310         of INDIRECT_REF <RESULT_DECL>.
8311
8312         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
8313
8314 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
8315             Kaz Kojima  <kkojima@gcc.gnu.org>
8316
8317         PR target/29746
8318         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
8319         properly.
8320         (sh_initialize_trampoline): Add parentheses to avoid a warning.
8321
8322 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
8323
8324         * doc/loop.texi: Document possibility not to perform disambiguation
8325         of loops with multiple latches.
8326         * cfgloopmanip.c (alp_enum_p): Removed.
8327         (add_loop): Handle subloops.  Use get_loop_body_with_size.
8328         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
8329         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
8330         the new forwarder block.
8331         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
8332         Handle the case latch is NULL.
8333         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
8334         when marking loop exits.
8335         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
8336         be modified.
8337         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
8338         disambiguate_loops_with_multiple_latches.
8339         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8340         before fix_loop_structure.
8341         * cfgloop.c: Include pointer-set.h and output.h.
8342         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8343         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8344         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8345         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8346         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8347         disambiguate_multiple_latches, get_loop_body_with_size,
8348         disambiguate_loops_with_multiple_latches): New functions.
8349         (flow_loop_dump): Dump multiple latch edges.
8350         (flow_loop_nodes_find): Handle loops with multiple latches.
8351         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8352         (glb_enum_p): Modified.
8353         (get_loop_body): Use get_loop_body_with_size.
8354         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8355         (AVOID_CFG_MODIFICATIONS): New constant.
8356         (disambiguate_loops_with_multiple_latches, add_loop,
8357         get_loop_body_with_size): Declare.
8358         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8359
8360 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
8361
8362         PR inline-asm/28686
8363         * global.c (compute_regsets): New function.
8364         (global_alloc): Refactored ELIMINABLE_REGSET
8365         and NO_GLOBAL_ALLOC_REGS computation out.
8366         (rest_of_handle_global_alloc): Call compute_regsets()
8367         for non-optimizing case.
8368
8369 2007-02-06  Richard Henderson  <rth@redhat.com>
8370
8371         * config/i386/constraints.md (Y2): Rename from Y.
8372         (Yi): New constraint.
8373         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8374         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8375         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8376         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8377         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8378         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8379         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
8380         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
8381         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
8382         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
8383         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
8384         vec_extractv2si_1): Change Y constraints to Y2.
8385         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
8386         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
8387         Change Y constraints to Y2.
8388         (sse2_loadld): Change Y constraints to x.
8389
8390 2007-02-06  Roger Sayle  <roger@eyesopen.com>
8391
8392         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
8393         (parity<mode>2): New define_expand using rs6000_emit_parity.
8394         * config/rs6000/rs6000.c (rs6000_emit_popcount,
8395         rs6000_emit_parity): New functions.
8396         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
8397         rs6000_emit_parity): Prototype here.
8398
8399 2007-02-06  Ian Lance Taylor  <iant@google.com>
8400
8401         * lower-subreg.c (simple_move_operand): Reject CONST.
8402         (resolve_clobber): Call validate_change rather than directly
8403         assigning to XEXP (pat, 0).
8404
8405 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8406
8407         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
8408         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
8409         (tree-cfg.o): Remove hashtab.h dependency.
8410
8411         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
8412         (struct ivopts_data): Change niters to pointer_map_t.
8413         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
8414         (niter_for_exit): Create pointer_map on demand.  Change for
8415         pointer_map API.
8416         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8417         (free_loop_data): Destroy data->niters if created and reset field.
8418         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8419         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8420
8421         * tree-ssa-reassoc.c: Include pointer-set.h.
8422         (bb_rank): Change to long *.
8423         (operand_rank): Change to pointer_map_t.
8424         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
8425         (insert_operand_rank): Accept long.
8426         (operand_entry_hash, operand_entry_eq): Remove.
8427         (get_rank): Return long.  Adjust for changes above.
8428         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
8429         and operand_rank.
8430         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
8431
8432         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
8433         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
8434         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
8435         is not NULL.
8436         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
8437         directly since it cannot be NULL.
8438         (get_vi_for_tree): Rewrite for pointer_map API.
8439         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
8440         (init_alias_vars): Create vi_for_tree as pointer_map.
8441         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
8442
8443         * tree-cfg.c: Don't include hashtab.h.
8444         (edge_to_cases): Declare as pointer_map.
8445         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
8446         Delete.
8447         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
8448         (start_recording_case_labels): Create edge_to_cases as pointer_map.
8449         (end_recoding_case_labels): Cleanup edge_to_cases manually before
8450         destroying it.
8451         (record_switch_edge): Delete.
8452         (get_cases_for_edge): Adjust for pointer_map API, inline
8453         record_switch_edge (rewritten for new API), remove goto.
8454
8455 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8456
8457         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
8458         * tree-nested.c: Include pointer-set.h.
8459         (var_map_elt, var_map_eq, var_map_hash): Delete.
8460         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
8461         to pointer_map_t's.
8462         (nesting_info_bitmap_obstack): New.
8463         (lookup_field_for_decl): Adjust for pointer_map API.
8464         (lookup_tramp_for_decl): Adjust for pointer_map API.
8465         (get_nonlocal_debug_decl): Adjust for pointer_map API.
8466         (get_local_debug_decl): Adjust for pointer_map API.
8467         (convert_nl_goto_reference): Adjust for pointer_map API.
8468         (convert_nl_goto_receiver): Adjust for pointer_map API.
8469         (create_nesting_tree): Create outside GGC space.  Create bitmap on
8470         the new obstack.  Create field_map and var_map as pointer_maps.
8471         (free_nesting_tree): Adjust for changes to create_nesting_tree.
8472         (root): Delete.
8473         (lower_nested_functions): Move root here, no need to NULL it.
8474         Initialize and release the obstack.
8475
8476 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
8477
8478         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
8479         Remove prototypes and make them non-static.
8480         (struct tree_int_map): Remove.
8481         * tree.h (struct tree_int_map): Move here, turning TO into an
8482         unsigned int.
8483         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
8484
8485         * tree.h (TREE_COMPLEXITY): Remove.
8486         (struct tree_exp): Remove complexity field.
8487         * tree.c (build1_stat): Don't set it.
8488
8489 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
8490             Victor Kaplansky  <victork@il.ibm.com>
8491
8492         * tree-vectorizer.c (vect_is_simple_use): Support induction.
8493         (vect_is_simple_reduction): Support reduction with induction as
8494         one of the operands.
8495         (vect_is_simple_iv_evolution): Fix formatting.
8496         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
8497         formatting.  Don't mark induction phis for vectorization.
8498         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
8499         * tree-vect-transform.c (get_initial_def_for_induction): New function.
8500         (vect_get_vec_def_for_operand): Support induction.
8501         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
8502         induction case.
8503         (vectorizable_reduction): Support reduction with induction as one of
8504         the operands.
8505         (vectorizable_type_demotion): Use def-type of stmt argument rather
8506         than dummy def-type.
8507
8508         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
8509         flag_tree_scev_cprop.
8510         * common.opt (tree-scev-cprop): New flag.
8511
8512         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
8513         call to vect_get_new_vect_var.
8514
8515 2007-02-06  Ira Rosen  <irar@il.ibm.com>
8516
8517         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
8518         vectype is not NULL.
8519         (vect_pattern_recog_1): Likewise.
8520
8521 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8522
8523         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
8524         (fold_negate_expr): Likewise.
8525
8526 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
8527
8528         PR debug/30189
8529         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
8530         even if cv-qualification is the same.
8531
8532 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
8533
8534         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
8535         __enable_execute_stack on completion.
8536
8537 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8538
8539         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
8540         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
8541         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
8542         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
8543         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
8544         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
8545         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
8546         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
8547
8548 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8549
8550         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
8551         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
8552         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
8553         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
8554         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
8555         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
8556         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
8557         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
8558         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
8559         umuldi3_highpart_rex64, umulsi3_highpart_insn,
8560         umulsi3_highpart_zext, smuldi3_highpart_rex64,
8561         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
8562         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
8563         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
8564         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
8565         sqrtextenddfxf2_i387): Added amdfam10_decode.
8566
8567         * config/i386/athlon.md (athlon_idirect_amdfam10,
8568         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
8569         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
8570         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
8571         athlon_ivector_store_amdfam10): New define_insn_reservation.
8572         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
8573         amdfam10.
8574
8575 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8576
8577         * config/i386/athlon.md (athlon_call_amdfam10,
8578         athlon_pop_amdfam10, athlon_lea_amdfam10): New
8579         define_insn_reservation.
8580         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
8581         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
8582         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
8583
8584 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8585
8586         * config/i386/athlon.md (athlon_sseld_amdfam10,
8587         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8588         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8589
8590 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8591
8592         * config/i386/athlon.md (athlon_sseins_amdfam10): New
8593         define_insn_reservation.
8594         * config/i386/i386.md (sseins): Added sseins to define_attr type
8595         and define_attr unit.
8596         * config/i386/sse.md: Set type attribute to sseins for insertq
8597         and insertqi.
8598
8599 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8600
8601         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8602         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8603         ssecomi_load_amdfam10, ssecomi_amdfam10,
8604         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8605         define_insn_reservation.
8606         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8607
8608 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8609
8610         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8611         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8612         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8613         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8614         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8615         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8616         define_insn_reservation.
8617
8618         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8619         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8620         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8621         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8622         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8623
8624 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8625
8626         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8627         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8628         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8629         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8630         athlon_ssemul_load_k8): Added amdfam10.
8631
8632 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8633
8634         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8635         (x86_sse_unaligned_move_optimal): New variable.
8636
8637         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8638         m_AMDFAM10.
8639         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8640         for unaligned vector SSE double/single precision loads for AMDFAM10.
8641
8642 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8643
8644         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8645         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8646         Define TARGET_CPU_DEFAULT_amdfam10.
8647         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8648         (processor_type): Add PROCESSOR_AMDFAM10.
8649
8650         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8651         processor_type in config/i386/i386.h.
8652         Enable imul peepholes for TARGET_AMDFAM10.
8653
8654         * config.gcc: Add support for --with-cpu option for amdfam10.
8655
8656         * config/i386/i386.c (amdfam10_cost): New variable.
8657         (m_AMDFAM10): New macro.
8658         (m_ATHLON_K8_AMDFAM10): New macro.
8659         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8660         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
8661         x86_promote_QImode, x86_integer_DFmode_moves,
8662         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8663         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
8664         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
8665         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
8666         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
8667         Enable/disable for amdfam10.
8668         (override_options): Add amdfam10_cost to processor_target_table.
8669         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
8670         processor_alias_table.
8671         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
8672         (ix86_adjust_cost): Add code for amdfam10.
8673
8674 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8675
8676         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
8677         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
8678         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
8679         * config/i386/i386.h: Add builtin definition for SSE4A.
8680         * config/i386/i386.md: Add support for ABM instructions
8681         (popcnt and lzcnt).
8682         * config/i386/sse.md: Add support for SSE4A instructions
8683         (movntss, movntsd, extrq, insertq).
8684         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
8685         Add -march=amdfam10 flag.
8686         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
8687         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
8688         and amdfam10.
8689         * doc/extend.texi: Add documentation for SSE4A builtins.
8690
8691 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
8692
8693         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
8694
8695 2007-02-05  Richard Guenther  <rguenther@suse.de>
8696
8697         * tree-vectorizer.h (vectorizable_function): Add argument type
8698         argument, change return type.
8699         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
8700         * tree-vect-transform.c (vectorizable_function): Handle extra
8701         argument, return vectorized function decl.
8702         (build_vectorized_function_call): Remove.
8703         (vectorizable_call): Handle calls with result and argument types
8704         differing.  Handle loop vectorization factor correctly.
8705         * targhooks.c (default_builtin_vectorized_function): Adjust for
8706         extra argument.
8707         * targhooks.h (default_builtin_vectorized_function): Likewise.
8708         * target.h (builtin_vectorized_function): Add argument type
8709         argument.
8710         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
8711         extra argument, allow vectorizing of lrintf.
8712         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
8713         documentation of target hook.
8714
8715 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
8716
8717         PR target/30665
8718         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
8719         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
8720         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
8721
8722 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8723
8724         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
8725         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
8726         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
8727         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
8728         before canonicalizing sincos to cexpi.
8729         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
8730
8731 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8732
8733         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
8734         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
8735         (alpha_init_builtins): Use alpha_add_builtins to process tables.
8736
8737 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8738
8739         * mips-tfile.c (initialize_init_file): Correct endianness test.
8740
8741 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
8742
8743         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
8744         the 'y' constraint.
8745
8746 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8747
8748         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
8749         saves in a PARALLEL before the register assignments.
8750
8751 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8752
8753         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
8754         DWARF_FRAME_RETURN_COLUMN to be a general register.
8755         * dwarf2out.c (init_return_column_size): New function, split from...
8756         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
8757         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
8758         to be nongeneral registers.
8759         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
8760         integer registers.
8761         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
8762         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
8763
8764 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8765
8766         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
8767
8768 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8769
8770         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
8771         (remove_path): Use can_remove_branch_p and remove_branch instead
8772         of loop_delete_branch_edge.
8773         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
8774         (tree_transform_and_unroll_loop): Remove dead branches immediately.
8775         Update profile using scale_dominated_blocks_in_loop.
8776         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
8777         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
8778         (can_remove_branch_p, remove_branch): Declare.
8779         * tree-cfg.c (tree_can_remove_branch_p): New function.
8780         (tree_cfg_hooks): Add tree_can_remove_branch_p.
8781         * cfgrtl.c (rtl_can_remove_branch_p): New function.
8782         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
8783
8784 2007-02-05  Jan Hubicka  <jh@suse.cz>
8785
8786         PR middle-end/30696
8787         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
8788         nodes in cgraph, don't remove offline copy of the function.
8789
8790 2007-02-04  Jan Hubicka  <jh@suse.cz>
8791
8792         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
8793         vectors might cause maybe_lookup_element_for_expr to be called
8794         on non-sra-candidate.
8795
8796 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8797
8798         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
8799         config/bfin/bfin.md, config/bfin/predicates.md: Follow
8800         spelling conventions.
8801
8802 2007-02-04  Richard Guenther  <rguenther@suse.de>
8803
8804         PR middle-end/30636
8805         * fold-const.c (try_move_mult_to_index): Make sure to not
8806         overflow one dimension of a multi-dimensional array access.
8807
8808 2007-02-04  Jan Hubicka  <jh@suse.cz>
8809
8810         * passes.c (init_optimization_passes): Reindent.
8811
8812 2007-02-04  Jan Hubicka  <jh@suse.cz>
8813             Eric Botcazou  <ebotcazou@adacore.com>
8814
8815         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
8816         (execute_fixup_cfg): Break out the abnormal goto code.
8817         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
8818         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
8819         (optimize_inline_calls): Call make_nonlocal_label_edges.
8820
8821 2007-02-04  Jan Hubicka  <jh@suse.cz>
8822
8823         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
8824         true when something was changed.
8825         (rename_ssa_copies): When something was changed, do
8826         TODO_remove_unused_locals.
8827         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8828         add TODO_remove_unused_locals when instruction was removed.
8829
8830 2007-02-04  Jan Hubicka  <jh@suse.cz>
8831
8832         * ipa-inline.c (try_inline): Improve debug output; work on already
8833         inline edges too.
8834         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
8835         call try_inline for already inlined edges too when flattening;
8836         inline also functions that make callee growth but overall unit size
8837         reduce.
8838
8839 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8840
8841         * config/m32c/bitops.md, config/m32c/jump.md,
8842         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
8843         config/m32r/m32r.h, config/m32r/m32r.md,
8844         config/m32r/predicates.md, config/m68hc11/larith.asm,
8845         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
8846         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
8847         config/mips/mips-protos.h, config/mips/mips.c,
8848         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
8849         config/mn10300/mn10300.h, config/mn10300/predicates.md,
8850         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
8851         spelling conventions.
8852
8853         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
8854         Follow spelling conventions.
8855
8856 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
8857
8858         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
8859         warn about C++0x compatibility.
8860
8861 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8862
8863         * config/h8300/h8300.c, config/h8300/h8300.h,
8864         config/h8300/h8300.md: Follow spelling conventions.
8865
8866 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
8867
8868         PR middle-end/30667
8869         * combine.c (try_combine): Do not substitute source operand
8870         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
8871
8872 2007-02-03  Jan Hubicka  <jh@suse.cz>
8873
8874         PR gcov-profile/30650
8875         * value-prof.c (stringop_block_profile): Fix handling of size counter;
8876         do not divide by zero for never executed counters.
8877         (tree_find_values_to_profile): Fix counters.
8878         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
8879
8880 2007-02-03  Ian Lance Taylor  <iant@google.com>
8881
8882         * lower-subreg.c (simple_move_operand): New static function,
8883         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
8884         operands.
8885         (simple_move): Call simple_move_operand.
8886         (find_decomposable_subregs): Add special handling of MEMs.
8887         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
8888         meaning of return value.  If we see a hard register, test whether
8889         it can store a word_mode value.  Change all callers.
8890
8891 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8892
8893         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
8894         ftrapv insns and expanders.
8895         (subdi3): Change define_expand operand 1 to arith11_operand, and
8896         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
8897         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
8898         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
8899         respectively.
8900
8901         PR middle-end/30174
8902         * varasm.c (notice_global_symbol): Treat global objects as weak when
8903         flag_shlib is true.
8904
8905 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8906
8907         * emit-rtl.c (dconstpi): Delete.
8908         (dconstsqrt2): New.
8909         (init_emit_once): Delete dconstpi and init dconstsqrt2.
8910         * real.h (dconstpi): Delete.
8911         (dconstsqrt2): New.
8912         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
8913         (fold_builtin_hypot): Likewise.
8914
8915 2007-02-03  Tom Tromey  <tromey@redhat.com>
8916
8917         PR driver/30246
8918         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
8919         -gcoff3, -gxcoff3, -gvms3 implies -dD.
8920
8921 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
8922
8923         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
8924         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
8925         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
8926         config/rs6000/cell.md, config/rs6000/darwin.h,
8927         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
8928         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
8929         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
8930         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
8931         typos.  Follow spelling conventions.
8932         * doc/invoke.texi: Follow spelling conventions.
8933
8934 2007-02-03  Roger Sayle  <roger@eyesopen.com>
8935
8936         * simplify-rtx.c (simplify_relational_operation_1): Implement some
8937         canonicalization transformations that attempt to simplify integer
8938         constant comparisons to become comparisons against zero.
8939
8940 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8941
8942         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
8943         fabs(x)*sqrt(2).
8944         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
8945         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
8946
8947 2007-02-02  Mike Stump  <mrs@apple.com>
8948
8949         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
8950         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
8951         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
8952         generate a branch island.
8953
8954 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
8955
8956         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
8957         (xtensa_legitimate_address_p): New.
8958         (xtensa_legitimize_address): New.
8959         (xtensa_output_addr_const_extra): New.
8960         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
8961         (BASE_REG_P): New.
8962         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
8963         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
8964         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
8965         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
8966         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
8967         (xtensa_legitimize_address): New.
8968         (xtensa_output_addr_const_extra): New.
8969
8970 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
8971
8972         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
8973
8974 2007-02-02  Ian Lance Taylor  <iant@google.com>
8975
8976         * expmed.c (expand_divmod): Add comment.
8977
8978 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
8979
8980         * emit-rtl.c (renumber_insns): Remove.
8981         * flags.h: Remove the extern for flag_renumber_insns.
8982         * rtl.h: Remove the prototype for renumber_insns.
8983         * toplev.c (flag_renumber_insns): Remove.
8984
8985 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
8986
8987         Revert for x86 darwin:
8988         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
8989
8990         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
8991         code before the following patch under TARGET_MACHO.
8992         (ix86_function_value_regno_p): Likewise.
8993
8994 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8995
8996         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
8997         COMPLEX_EXPR.
8998
8999 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9000
9001         PR target/29682
9002         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
9003         general or fp registers.  Add comments.
9004         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
9005
9006 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
9007
9008         * pointer-set.c (insert_aux): Only return insertion slot.
9009         (pointer_set_insert): Adjust.
9010         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
9011         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
9012         pointer_map_traverse): New.
9013         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
9014         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
9015         pointer_map_contains, pointer_map_traverse): Declare.
9016
9017 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
9018
9019         PR middle-end/30473
9020         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
9021         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
9022
9023 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9024
9025         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
9026
9027         (struct _dep): New type.
9028         (dep_t): New typedef.
9029         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
9030         (DEP_STATUS): New access macro.  The macro with the same name was
9031         renamed to DEP_LINK_STATUS.
9032         (dep_init): Declare function
9033
9034         (struct _dep_link): New type.
9035         (dep_link_t): New typedef.
9036         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
9037         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
9038         (DEP_LINK_STATUS): New macro.
9039         (debug_dep_links): New debug function.
9040
9041         (struct _deps_list): New type.
9042         (deps_list_t): New typedef.
9043         (DEPS_LIST_FIRST): New access macro.
9044         (FOR_EACH_DEP_LINK): New cycle macro.
9045         (create_deps_list, free_deps_list, delete_deps_list): Declare
9046         functions.
9047         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
9048         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
9049         (copy_deps_list_change_con): Ditto.
9050
9051         (move_dep_link): Declare function.
9052
9053         (struct _dep_node): New type.
9054         (dep_node_t): New typedef.
9055         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
9056
9057         (struct haifa_insn_data.back_deps): New field to hold backward
9058         dependencies of the insn.
9059         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
9060         to deps_list_t.
9061         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
9062         Change its type to deps_list_t.
9063         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
9064         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
9065         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
9066
9067         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
9068
9069         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
9070
9071         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
9072         all callers.
9073         (dep_cost): Declare.
9074
9075         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
9076         (ds_to_dk, dk_to_ds): New functions.
9077
9078         (init_dep_1): New static function.
9079         (init_dep): New function.
9080         (copy_dep): New static function.
9081
9082         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
9083         functions.
9084         (detach_dep_link): New static function.
9085         (move_dep_link): New function.
9086
9087         (dep_links_consistent_p, dump_dep_links): New static functions.
9088         (debug_dep_links): New debugging function.
9089
9090         (deps_obstack, dl_obstack, dn_obstack): New static variables.
9091
9092         (alloc_deps_list, init_deps_list): New static functions.
9093         (create_deps_list): New function.
9094         (clear_deps_list): New static function.
9095         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
9096         (deps_list_consistent_p, dump_deps_list): New static functions.
9097         (debug_deps_list): New function.
9098         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
9099         functions.
9100         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
9101
9102         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
9103         use new scheduler dependencies lists.
9104         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
9105         (sched_analyze): Ditto.  Initialize dependencies lists.
9106         (add_forw_dep, compute_forward_dependences): Update to use new
9107         scheduler dependencies lists.
9108
9109         (init_dependency_caches): Init deps_obstack.
9110         (free_dependency_caches): Free deps_obstack.
9111
9112         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
9113         new scheduler dependencies lists.
9114         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
9115         (add_back_forw_dep, delete_back_forw_dep): Ditto.
9116
9117         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
9118         Update to use new scheduler dependencies lists.
9119         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
9120         (debug_dependencies): Ditto.
9121         (schedule_region): Update comments.
9122
9123         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
9124         scheduler dependencies lists.
9125         (schedule_ebb): Update comments.
9126
9127         * rtl.def (DEPS_LIST): Remove.
9128
9129         * lists.c (unused_deps_list): Remove.
9130         (free_list): Update assertions.
9131
9132         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
9133         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9134
9135         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
9136         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9137
9138         * haifa-sched.c (comments): Update.
9139         (insn_cost1): Remove.  Inline the code into insn_cost ().
9140         (insn_cost): Update to use new scheduler dependencies lists.  Move
9141         processing of the dependency cost to dep_cost ().
9142         (dep_cost): New function.  Use it instead of insn_cost () when
9143         evaluating cost of the dependency.  Use compatible interface to
9144         interact with the target.
9145         (priority): Update to use new scheduler dependencies lists.
9146         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
9147         with greater number of insns that depend on the insn.
9148         (schedule_insn): Update to use new scheduler dependencies lists.  Add
9149         code to free backward dependencies lists.  Inline and optimize code
9150         from resolve_dep () - see PR28071.
9151         (ok_for_early_queue_removal): Update to use new scheduler dependencies
9152         lists.  Update call to targetm.sched.is_costly_dependence hook.
9153
9154         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
9155         scheduler dependencies lists.
9156
9157         (resolve_dep): Remove.  Move the logic to schedule_insn ().
9158         (init_h_i_d): Initialize dependencies lists.
9159
9160         (process_insn_depend_be_in_spec): Rename to
9161         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
9162         dependencies lists.
9163         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
9164         Update to use new scheduler dependencies lists.
9165         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
9166
9167         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
9168         new scheduler dependencies lists.
9169         (build_intra_loop_deps): Ditto.
9170
9171         * target.h (struct _dep): Declare to use in
9172         gcc_target.sched.is_costly_dependence.
9173         (struct gcc_target.sched.adjust_cost): Fix typo.
9174         (struct gcc_target.sched.is_costly_dependence): Change signature to use
9175         single dep_t parameter instead of an equivalent triad.
9176         (struct gcc_target.sched.adjust_cost_2): Remove.
9177
9178         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
9179
9180         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
9181
9182         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
9183         documentation.
9184         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
9185
9186         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
9187         (REG_DEP_TRUE): Document.
9188
9189         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
9190         Change signature to correspond to the targetm.sched.adjust_cost hook.
9191         Update use in TARGET_SCHED_ADJUST_COST_2.
9192         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
9193         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
9194         new scheduler dependencies lists.
9195         (ia64_gen_check): Ditto.
9196
9197         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
9198         dependencies lists.
9199
9200         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
9201         signature to correspond to the targetm.sched.is_costly_dependence hook.
9202         (is_costly_group): Update to use new scheduler dependencies lists.
9203
9204         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
9205         instead of INSN_COST () macro.
9206
9207 2007-02-01  Ian Lance Taylor  <iant@google.com>
9208
9209         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
9210
9211 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
9212
9213         * pa.md (tp_load): Correct mfctl instruction syntax.
9214
9215 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
9216
9217         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
9218         altivec_padding_size calculation on AIX.  Improve comment, add
9219         assert to verify that it's right.
9220
9221         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
9222         64-bit.
9223
9224 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
9225
9226         PR inline-asm/28686
9227         * global.c (global_alloc): Add mising initialization of
9228         ELIMINABLE_REGSET.
9229
9230 2007-02-01  Roger Sayle  <roger@eyesopen.com>
9231
9232         * alias.c (init_alias_analysis): Correct whitespace.
9233         * bb-reorder.c (fix_edges_for_rarely_executed_code,
9234         partition_hot_cold_basic_blocks): Likewise.
9235         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
9236         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
9237         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
9238         fold_builtin_snprintf_chk, fold_builtin_printf,
9239         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
9240         do_mpfr_arg3, do_mpfr_sincos): Likewise.
9241         * cfgcleanup.c (cleanup_cfg): Likewise.
9242         * cfgexpand.c (tree_expand_cfg): Likewise.
9243         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
9244         * function.c (get_next_funcdef_no): Likewise.
9245         * gengtype.c (main): Likewise.
9246         * genmodes.c (main): Likewise.
9247         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
9248         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
9249         * ifcvt.c (noce_emit_move_insn): Likewise.
9250         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
9251         Likewise.
9252         * stor-layout.c (get_best_mode): Likewise.
9253         * tree-ssa-loop-niter.c (get_val_for): Likewise.
9254         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
9255         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
9256         perform_var_substitution, solve_graph): Likewise.
9257         * tree-vrp.c (vrp_finalize): Likewise.
9258
9259 2007-02-01  Ian Lance Taylor  <iant@google.com>
9260
9261         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
9262         high part of a paradoxical subreg, return a constant zero.
9263
9264 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
9265
9266         * toplev.c (lang_dependent_init): Call init_set_costs.
9267         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
9268
9269 2007-02-01  Richard Guenther  <rguenther@suse.de>
9270
9271         PR middle-end/30656
9272         * fold-const.c (fold_negate_expr): Allow negating a
9273         constant if overflow does not change.
9274
9275 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9276
9277         * doc/c-tree.texi (Expression trees): Improve markup.
9278         * doc/tm.texi (Register Classes, Addressing Modes)
9279         (Floating Point): Fix spacing after abbreviations.  Fix some
9280         typos.
9281
9282 2007-02-01  Ben Elliston  <bje@au.ibm.com>
9283
9284         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
9285         * doc/contrib.texi: Likewise.
9286         * doc/install.texi: Likewise.
9287
9288 2007-01-31  Richard Henderson  <rth@redhat.com>
9289             Ian Lance Taylor  <iant@google.com>
9290
9291         * lower-subreg.c: New file.
9292         * rtl.def (CONCATN): Define.
9293         * passes.c (init_optimization_passes): Add pass_lower_subreg and
9294         pass_lower_subreg2.
9295         * emit-rtl.c (update_reg_offset): New static function, broken out
9296         of gen_rtx_REG_offset.
9297         (gen_rtx_REG_offset): Call update_reg_offset.
9298         (gen_reg_rtx_offset): New function.
9299         * regclass.c: Revert patch of 2006-03-05, restoring
9300         reg_scan_update.
9301         (clear_reg_info_regno): New function.
9302         * dwarf2out.c (concatn_loc_descriptor): New static function.
9303         (loc_descriptor): Handle CONCATN.
9304         * common.opt (fsplit_wide_types): New option.
9305         * opts.c (decode_options): Set flag_split_wide_types when
9306         optimizing.
9307         * timevar.def (TV_LOWER_SUBREG): Define.
9308         * rtl.h (gen_reg_rtx_offset): Declare.
9309         (reg_scan_update): Declare.
9310         * regs.h (clear_reg_info_regno): Declare.
9311         * tree-pass.h (pass_lower_subreg): Declare.
9312         (pass_lower_subreg2): Declare.
9313         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
9314         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
9315         -fsplit-wide-types.
9316         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
9317         * Makefile.in (OBJS-common): Add lower-subreg.o.
9318         (lower-subreg.o): New target.
9319
9320 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9321
9322         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
9323
9324 2007-01-31  Anatoly Sokolov <aesok@post.ru>
9325
9326         PR target/19087
9327         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
9328
9329 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9330
9331         PR middle-end/29335
9332         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
9333
9334 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
9335
9336         * cfgloop.h: Include vec-prim.h.
9337         (enum li_flags): Remove LI_ONLY_OLD.
9338         (loop_iterator): Changed.
9339         (fel_next, fel_init): Iterate over loop tree.
9340         (FOR_EACH_LOOP_BREAK): New macro.
9341         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9342         FOR_EACH_LOOP.
9343         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9344         * modulo-sched.c (sms_schedule): Ditto.
9345         * tree-vectorizer.c (vectorize_loops): Ditto.
9346         * doc/loop.texi: Update information on loop numbering and behavior of
9347         FOR_EACH_LOOP wrto new loops.
9348         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9349         add_to_evolution_1): Test nestedness of loops instead of comparing
9350         their numbers.
9351         * tree-chrec.c (chrec_fold_plus_poly_poly,
9352         chrec_fold_multiply_poly_poly, chrec_evaluate,
9353         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9354         reset_evolution_in_loop): Ditto.
9355         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9356
9357 2007-01-31  Dirk Mueller  <dmueller@suse.de>
9358
9359         * c-common.c (warn_about_parentheses): Separate warning about
9360         un-parenthized sequence of comparison operators from the one
9361         which is supposed to warn about x <= y <= z.
9362
9363 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
9364
9365         * optabs.h (enum optab_index): Add new OTI_isinf.
9366         (isinf_optab): Define corresponding macro.
9367         * optabs.c (init_optabs): Initialize isinf_optab.
9368         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9369         patterns.
9370         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9371         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9372         using isinf_optab.
9373         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9374         expand_builtin_interclass_mathfn.
9375         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9376         * config/i386/i386.md (UNSPEC_FXAM): New constant.
9377         (fxam<mode>2_i387): New insn pattern.
9378         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9379         built-in functions as x87 inline asm.
9380
9381 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9382
9383         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
9384
9385 2007-01-30  Eric Christopher  <echristo@apple.com>
9386
9387         * config.gcc: Add geode.
9388
9389 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9390
9391         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
9392         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
9393         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
9394         value-prof.c: Fix comment typos.
9395
9396 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9397
9398         PR c++/24745
9399         * doc/invoke.texi (Wpointer-arith): Document warning.
9400
9401 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
9402
9403         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
9404         the list of discrepancies from the draft TR.
9405
9406 2007-01-30  Dirk Mueller  <dmueller@suse.de>
9407
9408         PR c++/30601
9409         * doc/invoke.texi (-Wreturn-type): Update description to
9410         match new behavior.
9411
9412 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
9413
9414         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9415
9416 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
9417
9418         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9419         to handle optabs that operate on floating point input argument and
9420         output to integer output.
9421         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9422         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9423         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9424         expand_builtin_interclass_mathfn ().
9425         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
9426         (ilogbsi2): Remove.
9427         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
9428         ilogbl built-in functions as x87 intrinsics.
9429
9430 2007-01-30  Richard Guenther  <rguenther@suse.de>
9431
9432         PR middle-end/27657
9433         * dwarf2out.c (reference_to_unused): Query varpool if the
9434         variable was output.
9435
9436 2007-01-30  Richard Guenther  <rguenther@suse.de>
9437
9438         PR middle-end/30313
9439         * passes.c (execute_one_pass): Reset in_gimple_form to not
9440         confuse non-unit-at-a-time mode.
9441
9442 2007-01-29  Roger Sayle  <roger@eyesopen.com>
9443             Richard Guenther  <rguenther@suse.de>
9444
9445         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
9446         avoid undefined behaviour on overflow.  Use force_fit_type_double
9447         to construct the constant with the specified TREE_OVERFLOW.
9448
9449 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9450
9451         * config/dfp-bit.c: Add parameterized support for fp exceptions.
9452         * config/dfp-bit.h: Ditto.
9453
9454 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9455
9456         * c-decl.c (pop_scope): Replace warnings with call to
9457         warn_for_unused_label.
9458         * c-common.h (warn_for_unused_label): Declare.
9459         * c-common.c (warn_for_unused_label): Define.
9460
9461 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9462
9463         * tree-optimize.c (update_inlined_to_pointers): Delete unused
9464         function.
9465
9466 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9467
9468         * Makefile.in (USER_H): Remove decfloat.h.
9469         * ginclude/decfloat.h: Delete, moving contents to ...
9470         * ginclude/float.h: Add support for decimal floating point,
9471         guarded by __STDC_WANT_DEC_FP__.
9472
9473 2007-01-29  Mike Stump  <mrs@apple.com>
9474
9475         * doc/gccint.texi (Top): Rename Loop Representation to Loop
9476         Analysis and Representation to resolve case insensitive conflict.
9477         * doc/loop.texi (Loop Analysis and Representation): Likewise.
9478
9479 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
9480
9481         * tree.h (struct tree_memory_tag): Add aliases member.
9482         (MTAG_ALIASES): New macro.
9483         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
9484         (add_may_alias): Remove pointer-set. Update for may_aliases being
9485         a bitmap.
9486         (mark_aliases_call_clobbered): Update for may_aliases being a
9487         bitmap.
9488         (compute_tag_properties): Ditto.
9489         (create_partition_for): Ditto.
9490         (compute_memory_partitions): Ditto.
9491         (dump_may_aliases_for): Ditto.
9492         (is_aliased_with): Ditto.
9493         (add_may_alias_for_new_tag): Ditto.
9494         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
9495         (compute_is_aliased): New function.
9496         (compute_may_aliases): Call compute_is_aliased).
9497         (init_alias_info): Initialize alias_bitmap_obstack.
9498         (union_alias_set_into): New function.
9499         (compute_flow_sensitive_aliasing): Use union_aliases_into.
9500         (have_common_aliases_p): Rewrite to take two bitmaps and use
9501         intersection.
9502         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
9503         Update for bitmaps.
9504         (finalize_ref_all_pointers): Update for add_may_alias changes.
9505         (new_type_alias): Ditto.
9506         * tree-flow-inline.h (may_aliases): Return a bitmap.
9507         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
9508         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
9509         may_aliases being a bitmap.
9510         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
9511         may_aliases now returns a bitmap.
9512         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
9513         being a bitmap.
9514         * tree-ssa-operands.c (add_virtual_operand): Update for
9515         may_aliases being a bitmap.
9516
9517 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
9518
9519         PR tree-optimization/30630
9520         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
9521         variable as changed.
9522
9523 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
9524
9525         PR c++/28266
9526         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
9527         expanded only once even if an error occurs.
9528
9529 2007-01-29  Ben Elliston  <bje@au.ibm.com>
9530
9531         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
9532         (__gcov_average_profiler): Likewise.
9533         (__gcov_ior_profiler): Likewise.
9534         (__gcov_merge_ior): Likewise.
9535
9536 2007-01-28  Jan Hubicka  <jh@suse.cz>
9537
9538         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
9539         * value-prof.c (stringop_block_profile): Likewise.
9540
9541 2007-01-28  Jan Hubicka  <jh@suse.cz>
9542
9543         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
9544         variant handling histograms; add wrapper.
9545         (clear_storage_via_libcall): Export.
9546         (emit_block_move_hints): Break out from ...; add histograms.
9547         (emit_block_move): ... this one.
9548         (clear_storage_hints): Break out from ...; add histograms.
9549         (clear_storage): ... this one.
9550         (set_storage_via_memset): Handle histogram.
9551         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
9552         (clear_storage_hints, clear_storage_via_libcall): Declare.
9553         (set_storage_via_setmem): Update prototype.
9554         * doc/md.texi (movmem, setmem): Document new arguments.
9555
9556         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
9557         new histograms.
9558         (stringop_block_profile): New global function.
9559         (tree_stringops_values_to_profile): Profile block size and alignment.
9560         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
9561         HIST_TYPE_IOR.
9562         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
9563         (stringop_block_profile): Declare.
9564         * builtins.c: Include value-prof.h.
9565         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
9566         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
9567         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
9568         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
9569         * profile.c (instrument_values): Add new counters.
9570         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
9571         calls.
9572         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
9573         (tree_init_edge_profiler): Build new profilers.
9574         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
9575         (pass_tree_profile): Add dump.
9576         (tree_profile_hooks): Update.
9577         * Makefile.in (LIBGCOV): Add new constants.
9578         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
9579         __gcov_ior_profiler): New.
9580         * i386.md (movmem/setmem expanders): Add new optional arguments.
9581
9582 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
9583
9584         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9585
9586 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9587
9588         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9589         (tree_unswitch_single_loop): Pass eni_size_weights to
9590         tree_num_loop_insns.
9591         * tree-ssa-loop-manip.c: Include tree-inline.h.
9592         (can_unroll_loop_p): Pass eni_size_weights to
9593         tree_num_loop_insns.
9594         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9595         Pass eni_size_weights to estimate_num_insns.
9596         * tree.h (init_inline_once): Export.
9597         * toplev.c (backend_init): Call init_inline_once.
9598         * cgraphunit.c (cgraph_process_new_functions,
9599         cgraph_analyze_function): Pass eni_inlining_weights to
9600         estimate_num_insns.
9601         * ipa-inline.c (compute_inline_parameters): Ditto.
9602         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9603         to estimate_num_insns.
9604         (try_unroll_loop_completely): Pass eni_size_weights to
9605         tree_num_loop_insns.
9606         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9607         ot estimate_num_insns.
9608         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9609         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9610         * tree-inline.c (eni_inlining_weights, eni_size_weights,
9611         eni_time_weights): New variables.
9612         (init_inline_once): Initialize them.
9613         (struct eni_data): Mew.
9614         (estimate_num_insns_1, estimate_num_insns): Use weights.
9615         * tree-inline.h (struct eni_weights_d): New.
9616         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9617         (estimate_num_insns): Declaration changed.
9618         * cfgloop.h (tree_num_loop_insns): Declaration changed.
9619         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9620         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9621
9622 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9623
9624         * tree-data-ref.c (conflict_fn): Assert that the number of affine
9625         relations in the conflict function is valid.
9626
9627 2007-01-27  Ian Lance Taylor  <iant@google.com>
9628
9629         * common.opt: Add fstrict-overflow.
9630         * opts.c (decode_options): Set flag_strict_overflow if -O2.
9631         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9632         (TYPE_OVERFLOW_UNDEFINED): Define.
9633         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
9634         Replace all uses.
9635         * tree.h (TYPE_TRAP_SIGNED): Don't define.
9636         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9637         (fold_negate_expr): Likewise.
9638         (make_range): Likewise.
9639         (extract_muldiv_1): Likewise.
9640         (maybe_canonicalize_comparison): Likewise.
9641         (fold_comparison): Likewise.
9642         (fold_binary): Likewise.
9643         (tree_expr_nonnegative_p): Likewise.
9644         (tree_expr_nonzero_p): Likewise.
9645         * tree-vrp.c (compare_values): Likewise.
9646         (extract_range_from_binary_expr): Likewise.
9647         (extract_range_from_unary_expr): Likewise.
9648         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9649         Likewise.
9650         (nowrap_type_p): Likewise.
9651         * tree-scalar-evolution.c (simple_iv): Likewise.
9652         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9653         (build_range_check): Likewise.
9654         (extract_muldiv_1): Likewise.
9655         (fold_comparison): Likewise.
9656         * tree-vrp.c (vrp_int_const_binop): Likewise.
9657         (extract_range_from_unary_expr): Likewise.
9658         * convert.c (convert_to_integer): Likewise.
9659         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9660         (fold_comparison): Likewise.
9661         (fold_binary): Likewise.
9662         * optabs.c (optab_for_tree_code): Likewise.
9663         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
9664         * simplify-rtx.c (simplify_const_relational_operation): Check
9665         flag_strict_overflow and flag_trapv.
9666         (simplify_const_relational_operation): Likewise.
9667         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
9668         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
9669         -fstrict-overflow.
9670
9671 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9672
9673         * tree.c (tree_fold_gcd): Delete.
9674         * tree.h (tree_fold_gcd): Remove prototype.
9675         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
9676         test whether one constant integer is a multiple of another.  Instead
9677         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
9678         * fold-const.c (multiple_of_p):  We've determined both TOP and
9679         BOTTOM are integer constants so we can call int_const_binop directly
9680         instead of the more generic const_binop.
9681
9682 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9683
9684         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
9685         1*X check that the constant hasn't overflowed, to preserve the
9686         TREE_OVERFLOW bit.
9687         (round_up): Provide an efficient implementation when rouding-up an
9688         INTEGER_CST to a power-of-two.
9689
9690 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9691
9692         * doc/sourcebuild.texi: Add comma for clarity.
9693         * doc/extend.texi: Fix some typos.
9694         * doc/passes.texi: Likewise.
9695         * doc/cppinternals.texi: Likewise.
9696         * doc/c-tree.texi: Likewise.
9697         * doc/tree-ssa.texi: Likewise.
9698         * doc/install.texi: Likewise.
9699
9700 2007-01-27  Jan Hubicka  <jh@suse.cz>
9701
9702         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
9703         (pass_sra): Do not require alias information.
9704         * passes.c (init_optimization_passes): Add SRA
9705
9706 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
9707
9708         * tracer.c (rest_of_handle_tracer): We already cleaned
9709         up the CFG in tracer() so don't do it here again.
9710         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
9711         cleanup_cfg here, either.  And don't call renumber_insns.
9712
9713         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
9714         and BB_HEAD are in the insn stream here.  Instead make sure
9715         that BB_INSN is valid on all insns.  Also, do check here that
9716         there are no pending branch predictions...
9717         (rtl_verify_flow_info): ...instead of doing it here.  Checks
9718         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
9719         here.
9720
9721 2007-01-26  Roger Sayle  <roger@eyesopen.com>
9722
9723         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
9724         function to simplify/factorize operand order canonicalization.
9725         (ix86_fixup_binary_operands): Reorganize using the above function.
9726         (ix86_binary_operator_ok): Likewise.
9727
9728 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
9729
9730         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
9731         file scope from optimize_attrs.
9732         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
9733         up search.
9734         (optimize_attrs): Clear insn_code_values after freeing it.
9735
9736 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9737
9738         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
9739         a parts.base assignment.
9740
9741 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9742
9743         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
9744         (compute_subscript_distance, initialize_data_dependence_relation,
9745         finalize_ddr_dependent, analyze_ziv_subscript,
9746         analyze_siv_subscript_cst_affine,
9747         compute_overlap_steps_for_affine_univar,
9748         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
9749         analyze_siv_subscript, analyze_miv_subscript,
9750         analyze_overlapping_iterations, subscript_dependence_tester_1,
9751         compute_self_dependence, free_dependence_relation): Work
9752         with affine_fn instead of chrecs.
9753         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
9754         common_affine_function, affine_function_base,
9755         affine_function_constant_p, affine_fn_op, affine_fn_plus,
9756         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
9757         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
9758         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
9759         (all_chrecs_equal_p): Removed.
9760         * tree-data-ref.h (affine_fn, conflict_function): New types.
9761         (struct subscript): Change type of conflicting_iterations_in_a
9762         and conflicting_iterations_in_b.
9763
9764 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
9765
9766         PR other/30182
9767         * config/pa/pa.h (TARGET_HPUX_11): New.
9768         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
9769         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
9770
9771 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
9772         Richard Guenther  <rguenther@suse.de>
9773
9774         * tree-ssa-structalias.c (solve_graph): Handle case
9775         we merged the variable to another.
9776
9777 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9778
9779         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
9780         functions.
9781
9782         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
9783         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
9784
9785 2007-01-25  DJ Delorie  <dj@redhat.com>
9786
9787         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
9788         allow changes to modes which don't fit in those registers.
9789
9790         * reload1.c (choose_reload_regs): Check for invalid subregs before
9791         computing their locations, not after.
9792
9793 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
9794
9795         PR 25127
9796         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
9797         save Altivec registers in an eh_return function.
9798         (compute_vrsave_mask): Likewise.
9799         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
9800         for saving Altivec registers.
9801         (rs6000_emit_prologue): Don't allocate stack twice in
9802         eh_return function.  Correct expected value of altivec_save_offset
9803         when using save_world.  Describe save of R0 to stack when using
9804         save_world.  Describe stack pointer adjustment when using
9805         save_world.  Remove duplicated eh_return parameter register saving.
9806         Update sp_offset variable after save_world.
9807         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
9808         darwin-world.asm.
9809         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
9810         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
9811         implies Altivec.
9812
9813 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9814
9815         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
9816
9817 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9818
9819         PR other/30182
9820         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
9821         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
9822
9823 2007-01-25  Richard Guenther  <rguenther@suse.de>
9824
9825         * doc/invoke.texi (-Wcoverage-mismatch): Document.
9826         * common.opt (-Wcoverage-mismatch): New warning option.
9827         * coverage.c (get_coverage_counts): Ignore coverage mismatch
9828         if -Wcoverage-mismatch is given.
9829
9830 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
9831
9832         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
9833         (ipcp_driver): Change to static definition.
9834         Add dumping of the ifunctions.
9835         (constant_val_insert): Remove unused parameter. Support for SSA.
9836         (ipcp_propagate_const): Support for SSA.
9837         (ipcp_profile_bb_print): Print only analyzed nodes.
9838         (ipcp_replace_map_create): Remove support for Fortran constant
9839         for now.
9840         * ipa-prop.c (ipa_method_modify_stmt,
9841         ipa_callsite_compute_param): Support for SSA.
9842         * ipa-prop.h (ipcp_driver): Remove declaration.
9843         (IS_VALID_TREE_MAP_INDEX): Add define.
9844
9845 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
9846
9847         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
9848
9849 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9850
9851         PR middle-end/30447
9852         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
9853         constant argument to cabs and do it without checking for
9854         -funsafe-math-optimizations.
9855
9856 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
9857
9858         * c-common.h (RID_FIRST_CXX0X): New.
9859         (RID_LAST_CXX0X): New.
9860         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
9861         by -Wall.
9862         * c.opt (Wc++0x-compat): New.
9863         * doc/invoke.texi (-Wc++0x-compat): Document.
9864
9865 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9866
9867         * builtins.c (fold_builtin_carg): New.
9868         (fold_builtin_1): Use it.
9869
9870 2007-01-24  Jan Hubicka  <jh@suse.cz>
9871
9872         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
9873
9874         * ipa-inline.c (initial_insns, max_insns): Delete.
9875         (compute_max_insns): New function.
9876         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
9877         of insns as base for code growth.
9878         (cgraph_decide_inlining): Make initial_insns local; do not compute
9879         max_insns.
9880         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
9881         * doc/invoke.texi (inline-unit-growth): Update docs.
9882
9883 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
9884
9885         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
9886         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
9887         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
9888         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
9889         for CPUs that have PTA_CX16 set.
9890
9891         PR middle-end/27416
9892         * gimplify.c (omp_check_private): New function.
9893         (gimplify_scan_omp_clauses): Use it for
9894         firstprivate/lastprivate/reduction.
9895
9896         PR middle-end/30494
9897         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
9898         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
9899
9900         PR middle-end/30421
9901         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
9902         If lower_lastprivate_clauses emits some statements, append them
9903         to dlist rather than body_p and to body_p append an initializer.
9904         (lower_omp_for): Adjust caller.
9905
9906 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
9907
9908         * target.h (globalize_decl_name): New.
9909         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9910         * output.h (default_globalize_decl_name): New.
9911         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
9912         globalize_label.
9913         (globalize_decl): Ditto.
9914         (default_globalize_decl_name): New.
9915         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
9916         (ia64_handle_version_id_attribute): New.
9917         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9918         (ia64_asm_output_external): Use globalize_decl_name instead
9919         of globalize_label.
9920         * doc/extend.texi (version_id): New pragma.
9921         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
9922
9923 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9924
9925         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
9926         _uleb128_t and _Unwind_SWord with _sleb128_t.
9927         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
9928         uw_frame_state_for, uw_update_context_1): Likewise.
9929         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
9930         * unwind-pe.h (read_uleb128, read_sleb128,
9931         read_encoded_value_with_base): Likewise.
9932         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
9933
9934 2007-01-24  Richard Guenther  <rguenther@suse.de>
9935
9936         * builtins.c (expand_builtin_cexpi): Get the fndecl
9937         for cexp in the correct way.
9938
9939 2007-01-24  Jan Hubicka  <jh@suse.cz>
9940
9941         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
9942
9943 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9944
9945         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
9946         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
9947         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
9948         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
9949         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
9950         __SIZEOF_PTRDIFF_T__.
9951         * doc/cpp.texi: Documentation for the new builtin macros added.
9952
9953 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
9954
9955         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
9956         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
9957         instead of operands[2] to avoid access past the end of array.
9958
9959 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
9960
9961         * reload1.c (emit_reload_insns): Pass the reload register
9962         for a non-spill output reload through forget_old_reloads_1.
9963
9964 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
9965
9966         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9967         _SOFT_DOUBLE if doubles use software floating-point.
9968         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
9969         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9970         * config/rs6000/darwin-ldouble.c: Also compile functions for
9971         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
9972         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9973         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
9974         commented-out long double override.
9975         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
9976         * config/rs6000/eabispe.h: Likewise.
9977         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
9978         long double for non-SPE.
9979         (rs6000_handle_option): Likewise.
9980         (invalid_e500_subreg): Disallow more subregs involding DImode,
9981         DFmode, TImode or TFmode.
9982         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
9983         E500 double.
9984         (legitimate_lo_sum_address_p): Also check for TFmode for E500
9985         double.
9986         (rs6000_legitimize_address): Also handle TFmode for E500 double.
9987         (rs6000_legitimize_reload_address): Also handle TFmode for E500
9988         double.
9989         (rs6000_legitimate_address): Also check for TFmode for E500
9990         double.
9991         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
9992         (spe_build_register_parallel): Handle TFmode and TCmode.
9993         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
9994         double.
9995         (function_arg): Handle TFmode and TCmode for E500 double.
9996         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
9997         in general.
9998         (print_operand): Handle TFmode and TImode for %y.
9999         (rs6000_generate_compare): Handle TFmode comparisons for E500
10000         double.
10001         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
10002         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
10003         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
10004         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
10005         TFmode for E500 double.
10006         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
10007         (floatsidf2): Enable for E500 double.
10008         (movtf_softfloat): Use rs6000_nonimmediate_operand.
10009         (extenddftf2): Change to extenddftf2_fprs.
10010         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
10011         depending on TARGET_E500_DOUBLE.
10012         (extendsftf2): Enable for E500 double.
10013         (trunctfdf2): Enable for E500 double.
10014         (trunctfsf2): Change to trunctfsf2_fprs.
10015         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
10016         depending on TARGET_E500_DOUBLE.
10017         (floatsitf2): Enable for E500 double.
10018         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
10019         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
10020         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
10021         (negtf2): Change to negtf2_internal.
10022         (negtf2): New expander.
10023         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
10024         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
10025         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
10026         (movdi_internal32): Use rs6000_nonimmediate_operand.
10027         (unnamed splitter): Likewise.
10028         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
10029         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
10030         (SPE64TF, DITI): New mode macros.
10031         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
10032         modes.
10033         (frob_tf_ti): New.
10034         (frob_<mode>_di_2): New.
10035         (frob_tf_di_8_2): New.
10036         (frob_di_df): Change to frob_di_<mode>; allow more modes.
10037         (frob_ti_tf): New.
10038         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
10039         more modes.
10040         (frob_ti_<mode>_8_2): New.
10041         (frob_ti_tf_2): New.
10042         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
10043         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
10044         TFmode.
10045         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
10046         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
10047         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
10048         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
10049         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
10050         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
10051         tsttflt_gp): New.
10052
10053 2007-01-23  Ian Lance Taylor  <iant@google.com>
10054
10055         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
10056         insn-*.o first.
10057         (OBJS-archive): Reformat, alphabetize.
10058         (OBJS): Change out_object_file to OBJS-md.
10059
10060 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
10061
10062         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
10063         JUMP_P and CALL_P predicates where applicable.
10064         * config/i386/i386.c: Ditto.
10065         * config/i386/i386.md: Ditto.
10066         * config/i386/mmx.md: Ditto.
10067         * config/i386/predicates.md: Ditto.
10068
10069 2007-01-22  Andreas Schwab  <schwab@suse.de>
10070
10071         * config/m68k/m68k.h: Fix comment.
10072
10073 2007-01-22  Jan Hubicka  <jh@suse.cz>
10074
10075         * passes.c (init_optimization_passes): Do not rerun
10076         pass_early_warn_uninitialized.
10077
10078 2007-01-22  Richard Guenther  <rguenther@suse.de>
10079
10080         PR tree-optimization/30038
10081         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
10082         function.
10083         (execute_cse_sincos_1): Likewise.
10084         (execute_cse_sincos): Likewise.
10085         (gate_cse_sincos): Likewise.
10086         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
10087         the cexpi() canonicalization of sincos().
10088         * tree-pass.h (pass_cse_sincos): Declare.
10089         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
10090
10091 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10092
10093         PR rtl-optimization/29329
10094         * combine.c (replaced_rhs_insn): Rename to i2mod.
10095         (replaced_rhs_value): Rename to i2mod_new_rhs.
10096         (i2mod_old_rhs): New global variable.
10097         (combine_instructions): Adjust for above change.  Save a copy of
10098         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
10099         note are substituted in the second instruction.
10100         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
10101         ditch the note if it pertains to the second eliminated register
10102         and this register is mentioned in i2mod_old_rhs.
10103
10104         Revert:
10105         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
10106
10107         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
10108         the insn to which the note was originally attached.
10109
10110 2007-01-21  Jan Hubicka  <jh@suse.cz>
10111
10112         * ipa-inline.c (inlining_mode): Comment, move up.
10113         (cgraph_decide_inlining_incrementally): Do not perform inlining
10114         itself; fix handling of flattening of self recursive functions.
10115         (cgraph_find_cycles): Remove.
10116         (cgraph_flatten_node): Remove.
10117         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
10118         (try_inline): New function.
10119         (cgraph_early_inlining): Update call of
10120         cgraph_decide_inlining_incrementally.  Apply inlining here.
10121         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
10122
10123 2007-01-21  Dirk Mueller  <dmueller@suse.de>
10124
10125         PR bootstrap/30511
10126         * tree-vrp.c (check_array_bounds): do not warn
10127         about ADDR_EXPR's of ARRAY_REF's which are immediately
10128         used in binary expressions.
10129
10130 2007-01-21  Ira Rosen  <irar@il.ibm.com>
10131
10132         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
10133         read_write_dep and macros for its access.
10134         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
10135         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
10136         argument, call vect_check_interleaving for every independent pair of
10137         data-refs. Mark loads that access the same memory location as a store
10138         in the loop.
10139         (vect_check_dependences): Remove.
10140         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
10141         call, fix the call to vect_analyze_data_ref_dependence.
10142         (vect_analyze_data_ref_access): For statements that access the same
10143         data-ref, check that they are not stores; for loads, check that there
10144         is no store that access the same location.
10145
10146 2007-01-20  Roger Sayle  <roger@eyesopen.com>
10147             Joseph Myers  <joseph@codesourcery.com>
10148
10149         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
10150         (-fdump-rtl-stack): Likewise.
10151         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
10152         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
10153         (-mpt-fixed): Use @minus{} for minus sign.
10154         (Using Precompiled Headers): Fix under/overfull hbox.
10155
10156 2007-01-20  Jan Hubicka  <jh@suse.cz>
10157
10158         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
10159         place within annotation.
10160
10161 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10162
10163         * pa.c (output_move_double): Change array size of xoperands to 4.
10164
10165 2007-01-20  Jan Hubicka  <jh@suse.cz>
10166
10167         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
10168         as temporary.
10169
10170 2007-01-19  Ian Lance Taylor  <iant@google.com>
10171
10172         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
10173         constant to unsigned HOST_WIDE_INT before negating.
10174
10175 2007-01-19  Ian Lance Taylor  <iant@google.com>
10176
10177         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
10178         to unsigned.
10179         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
10180         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10181         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
10182         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
10183         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10184         (realloc_vdef, realloc_vuse): Change second parameter to
10185         unsigned.
10186         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
10187         fields to unsigned.
10188         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
10189         unsigned. Change x and lim locals to unsigned.
10190         (realloc_vdef, realloc_vuse): Change num_elem parameter to
10191         unsigned.
10192         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
10193         (copy_virtual_operands): Change i and n locals to unsigned.
10194
10195 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10196
10197         PR middle-end/29335
10198         * builtins.c (fold_builtin_1): Handle builtin fdim.
10199
10200 2007-01-20  Jan Hubicka  <jh@suse.cz>
10201
10202         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
10203         * tree-ssa-structalias.c (compute_points_to_sets): Do call
10204         init_alias_heapvars.
10205         (init_alias_heapvars): Initialize only when not already initialized.
10206         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
10207
10208 2007-01-19  Roger Sayle  <roger@eyesopen.com>
10209
10210         * common.opt (fsigned-zeros): New command line option.
10211         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
10212         of flag_unsafe_math_optimizations.
10213         * opts.c (set_fast_math_flags): The -ffast-math command line option
10214         implies -fno-signed-zeros.
10215         (fast_math_flags_set_p): Likewise.
10216
10217         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
10218         the documentation of -ffast-math appropriately.  Wrap long lines.
10219
10220 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
10221
10222         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
10223         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
10224
10225 2007-01-19  Tomas Bily  <tbily@suse.cz>
10226
10227         * cgraphunit.c (cgraph_finalize_function): Updating of pid
10228         * tree-profile.c:
10229         (tree_init_ic_make_global_vars): New function
10230         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
10231         (tree_gen_ic_profiler): New function
10232         (tree_gen_ic_func_profiler): New function
10233         (tree_profiling): Added calling of tree_gen_ic_func_profiler
10234         (tree_profile_hooks): Added hook for indirec/virtual calls
10235         * value-prof.c (tree_find_values_to_profile): New case for
10236         indirect calls
10237         (tree_values_to_profile): Call for determining indirect/virtual
10238         counters
10239         (tree_indirect_call_to_profile): New function
10240         (tree_ic_transform): New function
10241         (tree_ic): New function
10242         (find_func_by_pid): New function
10243         (init_pid_map): New function
10244         (tree_value_profile_transformations): Added check for
10245         indirect/virtual call transformation
10246         * value-prof.h (enum hist_type): New counter type for
10247         indirect/virtual calls
10248         (profile_hooks): Added new hook for profiling indirect/virtual
10249         calls
10250         * profile.c (instrument_values): New case for indirect/virtual
10251         call added
10252         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
10253         (GCOV_COUNTER_V_INDIR): New counter type
10254         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
10255         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
10256         call added
10257         * cgraph.c: Definition of cgraph_max_pid
10258         (cgraph_create_node): Default init of pid attribute
10259         * cgraph.h: Declaration of cgraph_max_pid
10260         (struct cgraph_node): Added pid attribute
10261         * libgcov.c (__gcov_indirect_call_profiler): New function
10262         (__gcov_one_value_profiler_body): New function
10263         (__gcov_one_value_profiler): Body was moved to
10264         __gcov_one_value_profiler_body and calls it
10265
10266 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
10267
10268         * doc/gty.texi (Options): Document the mark_hook option to GTY.
10269         * gengtype.c (write_types_data, write_func_for_structure,
10270         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
10271         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
10272         (walk_type, write_func_for_structure): Generate the mark_hook if
10273         needed.
10274
10275 2007-01-19  Jan Hubicka  <jh@suse.cz>
10276
10277         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
10278         'early' argument take inlining mode argument specifying whether to
10279         inline for size/speeed or all functions; add support for flattening;
10280         improve dumpting.
10281         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
10282
10283 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10284
10285         PR c++/17947
10286         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
10287         the name of the declared identifier.
10288
10289 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10290
10291         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
10292         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
10293         duplicate evaluation.
10294
10295 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10296
10297         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
10298         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
10299         to XFMode, use acosxf2 and truncate result to requested mode.
10300         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10301         (asin<mode>2): Similarly, with asin expanders.
10302         (*fscalexf4_i387): Rename from *fscalexf4.
10303         (expNcorexf3): New expander.
10304         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
10305         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
10306         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
10307         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
10308         patterns for SSE math.
10309         (exp10<mode>2): Similarly, with exp10 expanders.
10310         (exp2<mode>2): Similarly, with exp2 expanders.
10311         (expm1<mode>2): Similarly, with expm1 expanders.
10312         (ldexp<mode>3): Similarly, with ldexp expanders.
10313         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
10314         Use gen_truncxf<mode>2_i387_noop to truncate result.
10315
10316 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10317
10318         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
10319         for ColdFire targets.
10320
10321 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
10322             Richard Sandiford  <richard@codesourcery.com>
10323
10324         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
10325         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
10326         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
10327         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
10328         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10329         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10330
10331 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10332
10333         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
10334         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
10335         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
10336         (*adddi_dilshr32_cf): New pattern.
10337         (adddi3, subdi3): Remove first alternatives.
10338
10339 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10340
10341         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10342         implemented using move.l, do not use its cc result for floating-point
10343         comparisons.
10344
10345 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10346
10347         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10348         from accepting 's' constraints if flag_pic.
10349
10350 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10351
10352         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10353         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10354         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10355         condition from TARGET_68881 to TARGET_HARD_FLOAT.
10356
10357 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
10358
10359         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10360         ColdFire alternatives.
10361         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10362         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
10363         architectures that support ff1 instruction.
10364
10365 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10366             Julian Brown  <julian@codesourcery.com>
10367
10368         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10369         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10370         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
10371         Add commentary.
10372
10373 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10374
10375         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10376         and return a bool.
10377         (output_move_const_into_data_reg, output_move_simode_const): Delete.
10378         * config/m68k/m68k.c (const_method, const_int_cost): Take a
10379         HOST_WIDE_INT instead of an rtx.
10380         (m68k_rtx_costs): Update call accordingly.
10381         (output_move_const_into_data_reg): Likewise.  Fix formatting.
10382         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
10383         Return a bool.
10384         (output_move_simode_const): Update calls after above changes.
10385         Rework to use automatic variables and predicates like MEM_P.
10386         * config/m68k/m68k.md (pushexthisi_const): Update call to
10387         valid_mov3q_const.
10388
10389 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10390
10391         * tree-ssa-alias.c (perform_var_substitution): Fix typo
10392         in dump_flags test.
10393
10394 2007-01-19  Richard Guenther  <rguenther@suse.de>
10395
10396         * builtins.c (expand_builtin_cexpi): Fall back to expanding
10397         via cexp in case sincos is not available.
10398
10399 2007-01-19  Richard Guenther  <rguenther@suse.de>
10400
10401         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
10402         * defaults.h (TARGET_HAS_SINCOS): Default to off.
10403         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
10404         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
10405         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
10406         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
10407         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
10408         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
10409
10410 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10411
10412         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
10413         New insn patterns.
10414         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10415         (atan2xf3): Directly generate RTL pattern.
10416         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10417         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10418         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10419         disable patterns for SSE math.
10420         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10421         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10422         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10423         disable patterns for SSE math.
10424
10425 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
10426
10427         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
10428
10429 2007-01-18  Roger Sayle  <roger@eyesopen.com>
10430
10431         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
10432         VIEW_CONVERT_EXPR to the same type as it's operand.
10433
10434 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
10435
10436         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
10437         configured for long double 128.
10438
10439 2007-01-18  Mike Stump  <mrs@apple.com>
10440
10441         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
10442         error.
10443
10444 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
10445
10446         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
10447         type correct.
10448
10449 2007-01-18  Jan Hubicka  <jh@suse.cz>
10450
10451         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
10452         greater than NUM_VOP_FREE_BUCKETS.
10453
10454 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
10455
10456         * tree-ssa-structalias.c: Update comments.
10457         (ptabitmap_obstack): Removed.
10458         (pta_obstack): New.
10459         (oldpta_obstack): Ditto.
10460         (stats): Add a few members.
10461         (struct variable_info): Remove node, complex, address_taken, and
10462         indirect_target members. Add oldsolution member.
10463         (new_var_info): Do not initialize removed members.
10464         (constraint_expr_type): Remove INCLUDES.
10465         (constraint_graph): Add size, implicit_preds, rep,
10466         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
10467         (FIRST_REF_NODE): New macro.
10468         (LAST_REF_NODE): Ditto.
10469         (FIRST_ADDR_NODE): Ditto.
10470         (find): New function.
10471         (unite): Ditto.
10472         (dump_constraint): Do not handle INCLUDES.
10473         (insert_into_complex): Do not insert duplicate constraints.
10474         (condense_varmap_nodes): Renamed and rewritten into ...
10475         (merge_node_constraints): This. Also fix bug in handling of
10476         offseted copy constraints.
10477         (clear_edges_for_node): No longer need to deal with preds at all,
10478         or removing associated preds/succs.
10479         (merge_graph_nodes): Deal with indirect_cycles.
10480         Don't deal with predecessors.
10481         (add_implicit_graph_edge): New function.
10482         (add_pred_graph_edge): Ditto.
10483         (add_graph_edge): Don't deal with predecessors.
10484         (build_constraint_graph): Removed.
10485         (build_pred_graph): New function.
10486         (build_succ_graph): Ditto.
10487         (struct scc_info): Removed in_component. Added roots, dfs, and
10488         node_mapping. Remove visited_index, unification_queue.
10489         (scc_visit): Deal with union-find we do now.
10490         Deal with cycles with REF nodes.
10491         (collapse_nodes): Renamed and rewritten to ...
10492         (unify_nodes): This.
10493         (process_unification_queue): Removed.
10494         (topo_visit): Cleanup
10495         (do_da_constraint): Use find.
10496         (do_sd_constraint): Ditto.
10497         (do_ds_constraint): Ditto.
10498         (do_complex_constraint): Ditto.
10499         (init_scc_info): Update for removed and added members.
10500         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
10501         (find_indirect_cycles): This.
10502         (equivalence_class): New variable.
10503         (label_visit): New function.
10504         (perform_variable_substitution): Rewritten.
10505         (free_var_substitution_info): New function.
10506         (find_equivalent_node): Ditto.
10507         (move_complex_constraints): Ditto.
10508         (eliminate_indirect_cycles): Ditto.
10509         (solve_graph): Only propagate changed bits.
10510         Use indirect cycle elimination.
10511         Use find.
10512         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
10513         (tree_id_eq): Renamed to ...
10514         (tree_vi_eq): This. Update for member change
10515         (insert_id_for_tree): Renamed and rewritten to ...
10516         (insert_vi_for_tree): This.
10517         (lookup_id_for_tree): Renamed and rewritten to ...
10518         (lookup_vi_for_tree): This.
10519         (get_id_for_tree): Renamed and rewritten to ...
10520         (get_vi_for_tree): Ditto.
10521         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
10522         (process_constraint): Don't handle INCLUDES.
10523         Remove special ADDRESSOF case.
10524         (find_func_aliases): Rewrite to use vi functions instead of id
10525         ones.
10526         (create_function_info_for): Ditto.
10527         (create_variable_info_for): Ditto.
10528         (intra_create_variable_infos): Ditto.
10529         (merge_smts_into): Ditto.
10530         (find_what_p_points_to): Ditto.
10531         (init_base_vars): Ditto.
10532         (init_alias_vars): Ditto.
10533         (remove_preds_and_fake_succs): New function.
10534         (dump_sa_points_to_info): Dump new stats.
10535         (dump_solution_for_var): Use find.
10536         (set_used_smts): Fix formatting.
10537         (compute_points_to_sets): Updated for new functions.
10538         (ipa_pta_execute): Ditto.
10539
10540 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10541             Richard Sandiford  <richard@codesourcery.com>
10542
10543         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
10544         parallels.
10545         * calls.c (expand_call): If the return value is a PARALLEL,
10546         extract its first member.
10547         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
10548         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10549         use FUNCTION_EXTRA_EPILOGUE.
10550         (m68k_function_value): Return a PARALLEL if the return value
10551         is of a pointer type.
10552         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
10553         (FUNCTION_EXTRA_EPILOGUE): Remove.
10554         * config/m68k/m68k.md (D0_REG): New constant.
10555
10556 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10557
10558         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10559         output a NOP for empty epilogues.
10560
10561 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10562
10563         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
10564         before function.  Extend register save check to include all
10565         registers, not just integer ones.
10566
10567 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10568
10569         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
10570         (m68k_use_return_insn): ...this.
10571         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
10572         * config/m68k/m68k.c (use_return_insn): Rename to...
10573         (m68k_use_return_insn): ...this.
10574         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
10575         of USE_RETURN_INSN.
10576
10577 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10578
10579         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
10580         nearest even, fix denormal rounding overflow.
10581
10582 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10583
10584         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10585         f%$smove and f%$move.
10586         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10587         (extendsfdf2_cf): Use fdmove instead of f%&move.
10588         (truncdfsf2_cf): Use fsmove instead of f%$smove.
10589         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10590
10591 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10592
10593         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10594         GPR<-GPR moves.
10595
10596 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10597
10598         * real.h (real_format): Add a canonical_nan_lsbs_set field.
10599         (coldfire_single_format): Declare.
10600         (coldfire_double_format): Likewise.
10601         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10602         of qnan_msb_set to determine the lower bits of a canonical
10603         NaN significand.
10604         (encode_ieee_double): Likewise.
10605         (encode_ieee_quad): Likewise.
10606         (ieee_single_format): Initialize canonical_nan_lsbs_set.
10607         (mips_single_format): Likewise.
10608         (ieee_double_format): Likewise.
10609         (mips_double_format): Likewise.
10610         (ieee_extended_motorola_format): Likewise.
10611         (ieee_extended_intel_96_format): Likewise.
10612         (ieee_extended_intel_128_format): Likewise.
10613         (ieee_extended_intel_96_round_53_format): Likewise.
10614         (ibm_extended_format): Likewise.
10615         (mips_extended_format): Likewise.
10616         (ieee_quad_format): Likewise.
10617         (mips_quad_format): Likewise.
10618         (vax_f_format): Likewise.
10619         (vax_d_format): Likewise.
10620         (vax_g_format): Likewise.
10621         (i370_single_format): Likewise.
10622         (i370_double_format): Likewise.
10623         (decimal_single_format): Likewise.
10624         (decimal_double_format): Likewise.
10625         (decimal_quad_format): Likewise.
10626         (c4x_single_format): Likewise.
10627         (c4x_extended_format): Likewise.
10628         (real_internal_format): Likewise.
10629         (coldfire_single_format): New real_format.
10630         (coldfire_double_format): Likewise.
10631         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10632         canonical_nan_lsbs_set.
10633         (pdp11_d_format): Likewise.
10634         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10635         if TARGET_COLDFIRE_CPU.
10636
10637 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10638
10639         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10640         (output_call, m68k_legitimize_call_address): Declare.
10641         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10642         parenthesees.  Add support for a 'W' constraint.
10643         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10644         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10645         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10646         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10647         variables.
10648         (override_options): Initialize them.  Do not set flag_no_function_cse
10649         for TARGET_ID_SHARED_LIBRARY.
10650         (m68k_output_pic_call): Delete.
10651         (m68k_legitimize_call_address): New function.
10652         (print_operand): Remove the %o prefix.  Handle the %p prefix.
10653         (output_call): New function.
10654         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
10655         target address from the GOT if symbolic jumps are not allowed.
10656         * config/m68k/m68k.md (call, general_operand): Do not set
10657         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
10658         Merge separate flag_pic and !flag_pic define_insns into...
10659         (*call, *call_value): ...these new patterns.  Match the address
10660         rather than the containing MEM and require it to be a call_operand.
10661         Use output_call to generate the asm template.
10662         * config/m68k/predicates.md (const_call_operand): New predicate.
10663         (call_operand): Likewise.
10664
10665 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10666
10667         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
10668         (STACK_GROWS_DOWNWARD): Define to 1.
10669         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
10670         comments, emphasizing that these values are only defaults.
10671         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
10672         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
10673
10674 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10675
10676         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
10677
10678 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10679             Richard Sandiford  <richard@codesourcery.com>
10680
10681         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
10682         (FP_REGNO_P): New macros.
10683         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
10684         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
10685         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
10686         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
10687
10688 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10689
10690         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10691         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
10692         to $tmake_file.
10693         * config/m68k/t-floatlib: New file, extracting common code from...
10694         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
10695         * config/m68k/t-uclinux: Here.
10696         * config/m68k/fpgnulib.c: Do not compile extendeed precision
10697         routines on ColdFire targets.
10698
10699 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10700
10701         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10702         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
10703         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
10704         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
10705         explicitly set MOTOROLA to 1.
10706         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
10707
10708 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10709             Nathan Sidwell  <nathan@codesourcery.com>
10710
10711         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
10712         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
10713         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
10714         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
10715         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
10716         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
10717         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
10718         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
10719         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
10720         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10721         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
10722         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
10723         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
10724         (DBX_REGISTER_NUMBER): Delete.
10725         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
10726         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10727         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
10728
10729 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10730
10731         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
10732         * config/flat.h: New file.
10733         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
10734         OBJECT_FORMAT_FLAT.
10735         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
10736         indirect references for -msep-data or -mid-shared-library.
10737         Do not use PC-relative code addresses either.
10738         * config/m68k/m68k.c (override_options): Restrict -fPIC error
10739         to -mpcrel.
10740         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
10741         for shared libraries and crt1.o for executables.  Use crti.o and
10742         crtbegin.o.
10743         (ENDFILE_SPEC): Use crtend.o and crtn.o.
10744         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
10745         Do not add -elf2flt or -shared-lib-id options here.
10746         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
10747         Pass -shared-lib-id if -mid-shared-library, taking the library
10748         identifier from -mshared-library-id if given, otherwise
10749         defaulting to 0.
10750         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
10751         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
10752         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
10753         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
10754         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
10755         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
10756         and crtend.o.
10757         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
10758         jump sequence for ISA A and ISA A+.
10759         (PICJUMP): Likewise.
10760
10761 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10762
10763         * config.gcc (m68k-*-uclinux*): Base the port on the common
10764         and m68k GNU/Linux files rather than on the generic ELF ones.
10765         * config/m68k/uclinux.h (TARGET_VERSION): Override.
10766         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10767
10768 2007-01-18  Julian Brown  <julian@codesourcery.com>
10769             Richard Sandiford  <richard@codesourcery.com>
10770
10771         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
10772         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10773         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
10774         before redefining.
10775         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
10776         80 unconditionally.
10777         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10778
10779 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10780
10781         * doc/install.texi: Document m68k-uclinuxoldabi.
10782         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
10783         * config/m68k/uclinux-oldabi.h: New file, copied from
10784         config/m68k/uclinux.h.
10785
10786 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
10787
10788         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
10789         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
10790         (m32r_compute_frame_size): Use unsigned for regno.
10791         (m32r_reload_lr): Use gen_frame_mem.
10792         (pop): New.
10793         (m32r_output_function_epilogue): Don't output the function epilogue
10794         textually here.
10795         (m32r_expand_epilogue): New.
10796         (direct_return): Return false if the function has the interrupt
10797         attribute.
10798         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
10799         * config/m32r/m32r.md (epilogue): New expander.
10800         (return_lr, return_rte): New insns.
10801         (return): Make it expander.
10802         (return_normal): New expander.
10803
10804 2007-01-18  Josh Conner  <jconner@apple.com>
10805
10806         PR target/30485
10807         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
10808         support for UNLE, UNLT, UNGE, and UNGT.
10809
10810 2007-01-18  Jan Hubicka  <jh@suse.cz>
10811
10812         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
10813         * tree-tailcall (add_virtual_phis): Likewise.
10814         (optimize_tail_call): Return TODOs.
10815         (execute_tail_calls): Return TODOs.
10816         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
10817         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
10818         changed.
10819         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
10820         Cleanup cfg using TODO.
10821         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
10822         * passes.c (execute_function_todo): When cleanup did something, remove
10823         unused locals.
10824         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
10825         (make_edges): Don't cleanup_cfg.
10826
10827 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
10828
10829         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
10830         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
10831         operate on the top of stack.
10832         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
10833         register handling of instructions that output to the second
10834         stack slot.
10835         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
10836         (move_for_stack_reg): Special-case check for dead destination
10837         stack slot for constant load of 1.0 inside UNSPEC_TAN.
10838
10839         * config/i386/i386.md (UNSPEC_TAN): New constant.
10840         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
10841         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
10842         to correctly model move of constant 1.0 to top stack slot.
10843         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
10844         (unnamed peephole2 pattern): Remove corresponding peephole2
10845         pattern that optimizes tan insn and loading of constant 1.0.
10846         (tanxf2): Use fptanxf4_i387.
10847         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
10848         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
10849         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10850         disable patterns for SSE math.
10851         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
10852         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
10853
10854 2007-01-18  Dirk Mueller  <dmueller@suse.de>
10855             Richard Guenther <rguenther@suse.de>
10856
10857         PR diagnostic/8268
10858         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
10859         * common.opt (Warray-bounds): Add new warning option.
10860         * c-opts.c (c_common_handle_option): Define -Warray-bounds
10861         if -Wall is given.
10862         * Makefile.in: make tree-vrp.o depend on toplev.h
10863         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
10864         is enabled.
10865         (check_array_refs, check_array_bounds, check_array_ref): New.
10866
10867 2007-01-18  Jan Hubicka  <jh@suse.cz>
10868
10869         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
10870         (execute_ssa_ccp): Return flags conditionally.
10871         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
10872         changed.
10873         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
10874
10875 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
10876
10877         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
10878         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
10879
10880         * Makefile.c (GTFILES): Add cfglayout.h.
10881         * gengtype.c (open_base_files): Likewise.
10882         * cfglayout.c (cfg_layout_function_footer,
10883         cfg_layout_function_header) Reindent to make gengtype happy.
10884         * cfglayout.h (cfg_layout_function_footer,
10885         cfg_layout_function_header): Add GTY(()) marker.
10886
10887         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
10888
10889 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10890
10891         * genautomata.c (write_automata): Include xstrerror output in the
10892         error message if writing the DFA description file fails.
10893
10894 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
10895
10896         * config/mips/mips-protos.h (mips_output_external): Make it
10897         return void.
10898         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
10899         * config/mips/mips.c (irix_output_external_libcall): Likewise.
10900         (extern_list): Likewise.
10901         (extern_head): Likewise.
10902         (TARGET_ASM_FILE_END): Likewise.
10903         (mips_file_end): Likewise.
10904         (mips_output_external): Rewritten.
10905
10906 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10907
10908         * genpreds.c (write_insn_preds_c): Only write out the function
10909         body for regclass_for_constraint if we have register constraints.
10910
10911 2007-01-17  Tom Tromey  <tromey@redhat.com>
10912
10913         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
10914         * doc/install.texi (Testing): Use sourceware.org.
10915         (Binaries): Likewise.
10916         (Specific): Likewise.
10917         * doc/contrib.texi (Contributors): Use sourceware.org.
10918
10919 2007-01-17  Anatoly Sokolov <aesok@post.ru>
10920
10921         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
10922         (AVR_ENHANCED): Rename to ...
10923         (AVR_HAVE_MUL): ... new.
10924         (avr_enhanced_p): Rename to ...
10925         (avr_have_mul_p): ... new.
10926         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
10927         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
10928         * config/avr/avr.c (avr_enhanced_p): Rename to ...
10929         (avr_have_mul_p): ... new.
10930         (base_arch_s): Rename 'enhanced' to 'have_mul'.
10931         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
10932         'avr_enhanced_p' and 'enhanced'.
10933         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
10934         AVR_HAVE_MUL instead of AVR_ENHANCED.
10935         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10936         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
10937         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
10938         instead of AVR_ENHANCED.
10939         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10940         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
10941         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
10942
10943 2007-01-17  Ian Lance Taylor  <iant@google.com>
10944
10945         * vec.h (VEC_reserve_exact): Define.
10946         (vec_gc_p_reserve_exact): Declare.
10947         (vec_gc_o_reserve_exact): Declare.
10948         (vec_heap_p_reserve_exact): Declare.
10949         (vec_heap_o_reserve_exact): Declare.
10950         (VEC_OP (T,A,reserve_exact)): New static inline function, three
10951         versions.
10952         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
10953         negative parameter.
10954         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
10955         (VEC_OP (T,A,copy)) [all versions]: Likewise.
10956         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
10957         * vec.c (calculate_allocation): Add exact parameter.  Change all
10958         callers.
10959         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
10960         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
10961         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
10962         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
10963         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
10964         (vec_heap_p_reserve_exact): New function.
10965         (vec_heap_o_reserve_exact): New function.
10966
10967 2007-01-17  Jan Hubicka  <jh@suse.cz>
10968
10969         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
10970
10971 2007-01-17  Eric Christopher  <echristo@apple.com>
10972
10973         * config.gcc: Support core2 processor.
10974
10975 2007-01-16  Jan Hubicka  <jh@suse.cz>
10976
10977         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
10978         the names, just unlink the chain so we don't crash on dangling pointers
10979         to dead SSA names.
10980
10981 2007-01-16  Jan Hubicka  <jh@suse.cz>
10982
10983         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
10984         * tree-pass.h: Reorder to make IPA passes appear toegher.
10985         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
10986         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
10987         parameters, do not call early inliner.
10988         * ipa-inline.c: Update comments.  Include tree-flow.h
10989         (cgraph_decide_inlining): Do not compute inlining parameters.
10990         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
10991         be called with function context set up.
10992         (pass_ipa_inline): Remove unreachable functions before pass.
10993         (cgraph_early_inlining): Simplify assuming to be called from the
10994         PM as local pass.
10995         (pass_early_inline): New pass.
10996         (cgraph_gate_ipa_early_inlining): New gate.
10997         (pass_ipa_early_inline): Turn into simple wrapper.
10998         (compute_inline_parameters): New function.
10999         (gate_inline_passes): New gate.
11000         (pass_inline_parameters): New pass.
11001         (apply_inline): Move here from tree-optimize.c
11002         (pass_apply_inline): New pass.
11003         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
11004         transforming.
11005         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
11006         doing them by hand.
11007         (tree_function_versioning): Do not allocate dummy struct function.
11008         * tree-inline.h (optimize_inline_calls): Update prototype.
11009         * tree-optimize.c (execute_fixup_cfg): Export.
11010         (pass_fixup_cfg): Remove
11011         (tree_rest_of_compilation): Do not apply inlines.
11012         * tree-flow.h (execute_fixup_cfg): Declare.
11013         * Makefile.in (gt-passes.c): New.
11014         * passes.c: Include gt-passes.h
11015         (init_optimization_passes): New passes.
11016         (nnodes, order): New static vars.
11017         (do_per_function_toporder): New function.
11018         (execute_one_pass): Dump current pass here.
11019         (execute_ipa_pass_list): Don't dump current pass here.
11020
11021 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
11022
11023         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
11024         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
11025
11026 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
11027
11028         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
11029         (strong_alias): Define.
11030         (__gcc_qmul): Provide non-FMA for soft-float.
11031         (__gcc_qdiv): Same.
11032         (__gcc_qneg): New.
11033         (__gcc_qeq): New.
11034         (__gcc_qle): New.
11035         (__gcc_qge): New.
11036         (__gcc_qunord): New.
11037         (__gcc_stoq): New.
11038         (__gcc_dtoq): New.
11039         (__gcc_qtos): New.
11040         (__gcc_qtod): New.
11041         (__gcc_qtoi): New.
11042         (__gcc_qtou): New.
11043         (__gcc_itoq): New.
11044         (__gcc_utoq): New.
11045         (fmsub): New.
11046         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
11047         soft-float functions.
11048         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
11049         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
11050         about long double soft float.
11051
11052 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
11053             Tehila Meyzels  <tehila@il.ibm.com>
11054
11055         * tree-vectorizer.h (is_pattern_stmt_p): New.
11056         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
11057         formatting (tabs instead of spaces). Cleanup and clarify setting
11058         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
11059         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
11060         (vectorizable_type_demotion): Check that types are integral.
11061         (vectorizable_type_promotion): Likewise.
11062         (vectorizable_store): Fix typo.  Eliminate new-line at end of
11063         comments.
11064
11065 2007-01-16  Jan Hubicka  <jh@suse.cz>
11066
11067         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
11068         cgraph edges too.
11069
11070 2007-01-15  Eric Christopher  <echristo@apple.com>
11071
11072         * ifcvt.c: Include vec.h, vecprim.h.
11073         (check_cond_move_block): New argument regs.
11074         Reorganize. Add registers used to regs.
11075         (cond_move_process_if_block): Use regs set above as
11076         loop bounds.
11077
11078 2007-01-15  Eric Christopher  <echristo@apple.com>
11079
11080         * config/darwin.h: Update copyright.
11081         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
11082         (LINK_COMMAND_SPEC): Add -u.
11083         (LINK_SPEC): Fix umbrella for above.
11084
11085 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
11086
11087         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
11088         glibc CVS.
11089
11090 2007-01-15  Tom Tromey  <tromey@redhat.com>
11091
11092         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
11093         * doc/install.texi (Testing): Don't mention jacks.
11094         (Configuration): Document --enable-java-maintainer-mode.  Move
11095         --with-java-home to libgcj-specific section.  Document
11096         --with-ecj-jar.
11097         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
11098
11099 2007-01-15  Jan Hubicka  <jh@suse.cz>
11100
11101         * tree-ssa-dce.c (DCE_TODOs): New.
11102         (propagate_necessity): Return if something changed.
11103         (eliminate_unnecessary_stmts): Likewise.
11104         (perform_tree_ssa_dce): Return TODO flags when needed.
11105         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
11106
11107 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
11108
11109         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
11110         (fyl2x_extend<mode>xf3_i387): New insn pattern.
11111         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
11112         patterns using X87MODEF12 mode macro.  Extend operand 1
11113         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
11114         (log10<mode>2): Ditto.
11115         (log2<mode>2): Ditto.
11116         (log1p<mode>2): Ditto.
11117         (logb<mode>2): Ditto.
11118         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
11119         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
11120         (*fxtractxf3_i387): Rename from *fxtractxf3.
11121         (fxtract_extend<mode>xf3_i387): New insn pattern.
11122         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
11123         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
11124         and gen_fyl2xxf3_i387().
11125
11126 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
11127
11128         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
11129         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
11130         get_loop_exit_edges.  Changed return type to bool.
11131         * cfgloop.h (fix_loop_placement): Declaration removed.
11132
11133 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
11134
11135         * param.h (MIN_VECT_LOOP_BOUND): New.
11136         * params.def (MIN_VECT_LOOP_BOUND): New.
11137         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
11138         argument - minimum threshold for number of iterations.
11139         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
11140         argument to declaration.
11141         * tree-vect-analyze.c (vect_analyze_operations): Check value of
11142         MIN_VECT_LOOP_BOUND.
11143         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
11144         slpeel_tree_peel_loop_to_edge with additional argument.
11145         (vect_do_peeling_for_alignment): Likewise.
11146         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
11147
11148 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
11149
11150         PR target/30413
11151         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
11152         operands of size 1.
11153
11154 2007-01-14  Jan Hubicka  <jh@suse.cz>
11155
11156         * tree-dfa.c (remove_referenced_var): New function.
11157         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
11158         prune referenced vars list too.
11159         * tree-flow.h (remove_referenced_var): Declare.
11160
11161 2007-01-14  Jan Hubicka  <jh@suse.cz>
11162
11163         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
11164         separately.
11165         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
11166         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
11167         * except.h (verify_eh_throw_table_statements): Kill prototype.
11168         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
11169         into call exrepssions.
11170         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
11171         eh trhow verifier.
11172         * tree-cfg.c: Include pointer-set.h.
11173         (verify_node_sharing): Work on pointer set.
11174         (verify_eh_throw_stmt_node): New.
11175         (verify_stmts): Use pointers sets, verify throw_stmt.
11176
11177 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
11178
11179         * ipa-reference.c (analyze_function): Consider also addresses taken
11180         in phi nodes.
11181
11182 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11183
11184         * c-typeck.c (null_pointer_constant_p): Replace use of
11185         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11186         (build_c_cast): Likewise.
11187
11188 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11189
11190         * tree.h (force_fit_type_double): Remove unused final argument.
11191         * c-common.c (constant_expression_warning): Replace use of
11192         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11193         (convert_and_check): Likewise.
11194         (shorten_compare): Update call to force_fit_type_double.
11195         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
11196         * convert.c (convert_to_pointer): Update call to
11197         force_fit_type_double.
11198         * fold-const.c (force_fit_type_double): Remove overflowed_const
11199         argument.
11200         (int_const_binop, fold_convert_const_int_from_int,
11201         fold_convert_const_int_from_real, fold_div_compare,
11202         fold_sign_changed_comparison, fold_unary, fold_negate_const,
11203         fold_abs_const, fold_not_const): Remove the final argument from
11204         calls to force_fit_type_double.
11205
11206 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11207
11208         * configure.ac: Set insn to "nop" for spu-*-* also.
11209         * configure: Regenerate.
11210
11211 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
11212
11213         * builtins.def : Add BUILT_IN_FREE.
11214
11215 2007-01-12  Jan Hubicka  <jh@suse.cz>
11216
11217         PR tree-optimization/30443
11218         * tree-inline.c (tree_function_versioning): Do not optimize when
11219         cloning for inlining.
11220
11221 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
11222
11223         * doc/loop.texi: Document recording of loop exits.
11224         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
11225         (update_single_exits_after_duplication,
11226         update_single_exit_for_duplicated_loop,
11227         update_single_exit_for_duplicated_loops): Removed.
11228         (duplicate_loop_to_header_edge): Do not call
11229         update_single_exits_after_duplication and
11230         update_single_exit_for_duplicated_loops.
11231         (loop_version): Do not update single_exit information.
11232         (fix_loop_structure): Use record_loop_exits instead of
11233         mark_single_exit_loops.
11234         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
11235         the lists of loop exits.
11236         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
11237         split_edge, merge_blocks): Update the lists of loop exits.
11238         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
11239         loop_optimizer_init.
11240         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
11241         of mark_single_exit_loops.
11242         (loop_optimizer_finalize): Call release_recorded_exits.
11243         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
11244         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
11245         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
11246         update single exit information.
11247         * lambda-code.c (perfect_nestify): Ditto.
11248         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
11249         (mark_single_exit_loops): Removed.
11250         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
11251         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
11252         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
11253         functions.
11254         (get_loop_exit_edges, single_exit): Use recorded exit lists.
11255         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
11256         (verify_loop_structure): Verify consistency of the exit lists.
11257         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
11258         (set_single_exit): Removed.
11259         * cfgloop.h (struct loop_exit): New function.
11260         (struct loop): single_exit_ field replaced by exits field.
11261         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
11262         (struct loops): Added exits hash.
11263         (mark_single_exit_loops, set_single_exit): Declaration removed.
11264         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
11265
11266 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11267
11268         * doc/invoke.texi: Avoid use of @headitem.
11269
11270 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11271
11272         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
11273
11274 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11275
11276         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
11277         list of targets.
11278
11279 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11280             Richard Sandiford  <richard@codesourcery.com>
11281
11282         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
11283         * config/m68k/m68k.opt: Resort options.
11284         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
11285
11286 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11287             Richard Sandiford  <richard@codesourcery.com>
11288
11289         * doc/invoke.texi: Document the macros that are defined by
11290         m68k's -mtune and -mhard-float options.
11291         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
11292         (m68k_cpp_cpu_family): Likewise.
11293         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
11294         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
11295         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
11296         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
11297         (m68k_cpp_cpu_family): Likewise.
11298
11299 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11300
11301         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
11302         macros besides mc68000 as tuning macros.  Use a switch statement
11303         to set them and mcpu32.
11304
11305 2007-01-12  Julian Brown  <julian@codesourcery.com>
11306
11307         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
11308         (TARGET_68040_ONLY): Rename to...
11309         (TARGET_68040): ...this.
11310         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
11311         * config/m68k/m68k.md: Likewise.
11312
11313 2007-01-12  Julian Brown  <julian@codesourcery.com>
11314             Nathan Sidwell  <nathan@codesourcery.com>
11315             Richard Sandiford  <richard@codesourcery.com>
11316
11317         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
11318         the -mcpu= argument associated with the --with-cpu setting.
11319         Define M68K_DEFAULT_TUNE to the default -mtune= option,
11320         if different from the one implied by the -mcpu setting.
11321         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
11322         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
11323         * doc/invoke.texi: Mention ColdFire in the introduction to the
11324         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
11325         -mno-div and -mhard-float options.  Make -m68881 a synonym for
11326         -mhard-float.  Document the previously-undocumented -m5206e,
11327         -m528x, -m5307 and -m5407 options.  Tweak the existing option
11328         documentation for consistency.
11329         * doc/install.texi: Mention new --with-cpu arguments.
11330         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
11331         default CPU if neither -mcpu nor -march are specified.
11332         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
11333         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
11334         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
11335         using m68k_tune to decide between families that implement the
11336         same ISA.  Use m68k_tune to set __mcfv4e__.
11337         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
11338         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11339         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11340         (FL_ISA_C, FL_ISA_MMU): New macros.
11341         (MASK_COLDFIRE): Delete.
11342         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11343         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11344         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11345         (TARGET_HARD_FLOAT): Do not define here.
11346         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11347         (TUNE_68000): New macro.
11348         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11349         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11350         (TUNE_CFV2): Redefine in terms of m68k_tune.
11351         (uarch_type, target_device, fpu_type): New enums.
11352         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11353         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11354         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11355         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11356         (FL_FOR_isa_c): New macros.
11357         (m68k_isa): New enum.
11358         (m68k_target_selection): New structure.
11359         (all_devices, all_isas, all_microarchs): New tables.
11360         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11361         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11362         (MASK_ALL_CPU_BITS): Delete.
11363         (m68k_find_selection): New function.
11364         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11365         Map the legacy target options to a combination of the new ones.
11366         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11367         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
11368         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11369         settings.
11370         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11371         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11372         properties.
11373         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11374         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11375         * config/m68k/m68k-devices.def: New file.
11376
11377 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11378             Nathan Sidwell  <nathan@codesourcery.com>
11379
11380         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
11381         (SUBTARGET_EXTRA_SPECS): New macros.
11382         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
11383         use %(asm_cpu_spec) instead.
11384         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
11385         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
11386         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
11387         (EXTRA_SPECS): Rename to...
11388         (SUBTARGET_EXTRA_SPECS): ...this.
11389
11390 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11391             Richard Sandiford  <richard@codesourcery.com>
11392             Julian Brown  <julian@codesourcery.com>
11393
11394         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11395         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
11396         to the configuration's default CPU.
11397         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
11398         Remove default masks.
11399         (m680[012]0-*-*): Set the default with_cpu to the first part of
11400         the target name.
11401         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
11402         (m68k*-*-linux): Extend the --with-cpu handling to...
11403         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
11404         and m68010.  Don't set target_cpu_default2.
11405         * doc/install.texi: Document --with-cpu for m68k.
11406         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
11407         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
11408         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
11409         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
11410         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
11411         (ASM_SPEC): Remove use of %(asm_cpu_default).
11412         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
11413         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
11414         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
11415         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11416         __HAVE_FPU__ if TARGET_HARD_FLOAT.
11417         (TARGET_DEFAULT): Delete.
11418         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11419         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11420         (CPP_CPU_SPEC): Delete.
11421         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11422         the appropriate string.
11423         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11424         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11425         (ASM_SPEC): Don't use %(asm_default_spec).
11426         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11427         TARGET_DEFAULT and add MASK_68881.
11428         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
11429
11430 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11431
11432         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
11433         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
11434         MASK_68010 alongside MASK_68020.
11435         * doc/invoke.texi: Document -m68010.
11436         * config/m68k/m68k.opt (m68010): New.
11437         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
11438         if TUNE_68010.
11439         (TUNE_68010): New macro.
11440         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
11441         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
11442         (M68K_CPU_m68332): Add MASK_68010.
11443         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
11444         fallback definition.
11445         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
11446         defines.
11447         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
11448         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
11449         to all entries that use MASK_68020.
11450         (output_move_simode_const, output_move_himode, output_move_qimode)
11451         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
11452         instead of TARGET_68020 to select clr behavior.  Remove comment
11453         about there being no TARGET_68010.
11454         * config/m68k/m68k.md: Likewise throughout.
11455
11456 2007-01-12  Julian Brown  <julian@codesourcery.com>
11457
11458         * config/m68k/m68k.h (TARGET_ISAB): New macro.
11459         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
11460         * config/m68k/m68k.md: Likewise.
11461
11462 2007-01-12  Julian Brown  <julian@codesourcery.com>
11463
11464         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
11465         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
11466
11467 2007-01-12  Julian Brown  <julian@codesourcery.com>
11468
11469         * config/m68k/m68k.h (TUNE_68040_60): New macro.
11470         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
11471         * config/m68k/m68k.md: Likewise.
11472
11473 2007-01-12  Julian Brown  <julian@codesourcery.com>
11474             Richard Sandiford  <richard@codesourcery.com>
11475
11476         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
11477         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
11478         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
11479         TARGET_CPU32.
11480         (TARGET_CPU32): Rename to...
11481         (TUNE_CPU32): ...this.
11482         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
11483         (TUNE_CFV2): New macros.
11484         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
11485         remove conditions that are implied by TARGET_68020.
11486         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
11487         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
11488         (m68k_output_function_epilogue): Likewise.
11489         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
11490         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
11491         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
11492         non-68000 timings.  Refactor multiplication and division costs.
11493         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
11494         TUNE_CPU32 instead of TARGET_CPU32.
11495         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
11496         and TUNE_68060 instead of TARGET_68060.
11497         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
11498         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
11499         TARGET_CPU32.
11500         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
11501         && !TARGET_COLDFIRE" to choose between moveq and clr.
11502         Likewise in the unnamed movsf pattern.
11503         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
11504         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
11505         ashiftrt pattern.
11506
11507 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11508
11509         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
11510         of tabbing before backslashes.
11511
11512 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11513
11514         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
11515         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
11516         (ASM_OUTPUT_INTERNAL_LABEL): Define.
11517
11518 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11519
11520         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
11521         find_interesting_uses_cond.
11522         (find_interesting_uses_cond): Use extract_cond_operands.
11523         (rewrite_use_compare): Use extract_cond_operands and
11524         force_gimple_operand_bsi.  Do not call update_stmt.
11525         (determine_use_iv_cost_condition): Use extract_cond_operands.
11526         Return cheaper of using original bound and changing the exit bound.
11527
11528 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11529
11530         PR tree-optimization/29516
11531         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
11532         most_expensive_mult_to_index, addr_to_parts,
11533         create_mem_ref, maybe_fold_tmr): Make the type of
11534         fields of TARGET_MEM_REF sizetype.
11535         (move_fixed_address_to_symbol, move_pointer_to_base):
11536         New functions.
11537         * tree.def (TARGET_MEM_REF): Add comment on types of
11538         the operands.
11539
11540 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
11541
11542         * c-common.c (vector_types_convertible_p): Treat opaque types as
11543         always convertible if they have the same size, but not otherwise.
11544
11545 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
11546
11547         * ifcvt.c (struct noce_if_info): Add comments to the fields.
11548         Remove the b_unconditional field.
11549         (noce_try_sign_mask): Do not look at b_unconditional.
11550         (noce_process_if_block): Do not use merge_if_blocks.  Update
11551         the CFG here.  Do not set b_unconditional.
11552         (cond_move_process_if_block): Likewise.
11553         (find_cond_trap): Likewise.
11554         (check_cond_move_block): Require simple jump insns at the end
11555         of the basic block.
11556
11557 2007-01-11  Jan Hubicka  <jh@suse.cz>
11558
11559         PR tree-optimization/1046
11560         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
11561         when alias info is not ready.
11562         (pass_tail_recursion): Do not require aliasing.
11563         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
11564         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
11565         * tree-ssa-copy.c (pass_copy_prop): Likewise.
11566         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11567         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
11568         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
11569         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
11570         before inlining.
11571         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
11572         When aliasing is not build, mark statement as volatile.
11573
11574 2007-01-11  Tom Tromey  <tromey@redhat.com>
11575
11576         PR preprocessor/15185, PR preprocessor/20989:
11577         * doc/cppopts.texi <-MT>: Update description of algorithm for
11578         computing default target.
11579         <-M, -MD>: Reword "basename" text.
11580
11581 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11582
11583         * builtins.c (expand_builtin_pow, expand_builtin_powi,
11584         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11585         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11586         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11587         fold_builtin_bswap, real_constp, fold_builtin_pow,
11588         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11589         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11590         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11591         * convert.c (convert_to_pointer): Likewise.
11592         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11593         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11594         const_binop, fold_convert_const_int_from_int,
11595         fold_convert_const_int_from_real,
11596         fold_convert_const_real_from_real, sign_bit_p,
11597         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11598         fold_sign_changed_comparison, fold_unary, fold_comparison,
11599         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11600         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11601         * print-tree.c (print_node_brief, print_node): Likewise.
11602         * stor-layout.c (place_field, layout_type): Likewise.
11603         * tree-chrec.c (keep_cast): Likewise.
11604         * tree.c (build_vector, build_real, build_real_from_int_cst,
11605         build_complex): Likewise.
11606
11607 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11608
11609         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
11610         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11611
11612 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
11613
11614         * configure.ac (strict1_warn): Rename to strict_warn.
11615         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11616         cc_set_by_configure, quoted_cc_set_by_configure,
11617         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11618         all_boot_languages, all_stagestuff): Remove.
11619         (target_list): Remove bootstrap targets.
11620         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11621         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11622         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11623         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11624         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11625         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11626         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11627         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11628         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11629         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11630         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11631         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11632         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11633         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11634         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11635         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11636         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11637         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11638         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11639         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11640         (mostlyclean): Adjust.
11641         (clean, distclean): Don't mention bootstrap stuff.
11642         * configure: Regenerate.
11643         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11644         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11645         treelang/config-lang.in (stagestuff): Remove.
11646         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11647         stageprofile, stagefeedback, stagestuff): Remove mention.
11648
11649 2007-01-11  Nick Clifton  <nickc@redhat.com>
11650
11651         * config/mcore/predicates.md (mcore_general_movesrc_operand):
11652         Accept CONSTs.
11653         (mcore_general_movdst_operand): Do not accept CONST_INTs.
11654         (mcore_arith_K_S_operand): Run the test for the S constraint not
11655         the test for the M constraint.
11656         (mcore_addsub_operand): Do not accept integer values that are
11657         larger than 32 bits.
11658         * config/mcore/mcore.md: Remove unused constraints from split.
11659         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11660         (addsi3): Likewise.
11661         (allocate_stack): Likewise.
11662         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
11663         operands to 32 bits.
11664         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
11665         INTVAL.
11666         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
11667         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
11668         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
11669         mcore_output_bclri, mcore_output_andn, output_inline_const,
11670         mcore_output_move, mcore_output_movedouble): Likewise.
11671         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
11672         (output_inline_const): Likewise.
11673         (output_inline_const): Fix format strings used in sprintf
11674         statements.
11675         * config/mcore/mcore-protos.h: Update prototypes for changed
11676         functions in mcore.c.
11677         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
11678         HOST_WIDE_INT and not int.
11679         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
11680         CONST_OK_FOR_N): Likewise.
11681         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
11682         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
11683         an INTVAL.
11684
11685 2007-01-10  Jan Hubicka  <jh@suse.cz>
11686
11687         * tree-vrp.c (remove_range_assertions): Release defs.
11688         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
11689         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
11690
11691 2007-01-10  Paul Brook  <paul@codesourcery.com>
11692
11693         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
11694         * config/arm/arm.md (mulsi3subsi): New insn.
11695
11696 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
11697
11698         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
11699         (tree_transform_and_unroll_loop): New.
11700         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
11701         Declare.
11702
11703 2007-01-10  Robert Kennedy <jimbob@google.com>
11704
11705         * fold-const.c (fold_comparison): Fold comparisons like (x *
11706         1000 < 0) to (x < 0).
11707
11708 2007-01-10  Ian Lance Taylor  <iant@google.com>
11709
11710         * tree-pretty-print.c (dump_generic_node): Print parentheses when
11711         operands have the same priority.
11712
11713 2007-01-10  Tom Tromey  <tromey@redhat.com>
11714
11715         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
11716         (fold_binary): Likewise.
11717         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
11718         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
11719         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
11720         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
11721         * langhooks.h (struct lang_hooks): Removed field
11722         'can_use_bit_fields_p'.
11723
11724 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
11725
11726         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
11727
11728 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
11729
11730         * function.c (get_last_funcdef_no): New function.
11731         * function.h (get_last_funcdef_no): Declare.
11732         * tree-inline.c (initialize_cfun): Add initialization.
11733         (tree_function_versioning): Cleanup.
11734
11735 2007-01-10  Jan Hubicka  <jh@suse.cz>
11736
11737         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
11738         PHIs.
11739
11740 2007-01-10  Sa Liu  <saliu@de.ibm.com>
11741             Ben Elliston  <bje@au.ibm.com>
11742
11743         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
11744         for SAVE_NONLOCAL and Pmode for any other save level.
11745         * spu-protos.h (spu_restore_stack_block): Declare.
11746         * spu.md (save_stack_block): Remove.
11747         (restore_stack_block): Call spu_restore_stack_block.
11748         * spu.c (spu_restore_stack_block): New function.
11749         (spu_expand_epilogue): Remove old comment.
11750
11751 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
11752
11753         PR tree-optimization/30322
11754         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
11755         (cand_value_at): Return the value as aff_tree.
11756         (may_eliminate_iv): Convert the bound from aff_tree to tree.
11757         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
11758         aff_combination_mult): New functions.
11759         (aff_combination_add): Use aff_combination_add_cst.
11760         (aff_combination_convert): Allow conversions to a wider type.
11761         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
11762         * tree-affine.h (aff_combination_mult): Declare.
11763
11764 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
11765
11766         * doc/tm.texi: Update documentation to reflect reality of exec
11767         and start file search behaviours. Update copyright year.
11768         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
11769         header file directories.
11770
11771 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
11772
11773         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
11774         (*cosxf2): Rename to cosxf2_i387.
11775         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
11776         using X87MODEF12 mode macro. Rename patterns to
11777         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
11778         for SSE math.
11779         (*cosdf2, *cossf2): Ditto.
11780         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
11781         to match extended input operands.
11782         (sincos<mode>3): New expander.
11783         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
11784         insn patterns and corresponding splitters.
11785
11786 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
11787
11788         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
11789         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
11790
11791 2007-01-09  Nicolas Pitre  <nico@cam.org>
11792
11793         PR target/30173
11794         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
11795
11796 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11797
11798         * target.h (struct gcc_target): New field library_rtti_comdat.
11799         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
11800         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
11801         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
11802         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
11803
11804 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11805
11806         * doc/invoke.texi (Optimize Options): Correct description of -O0.
11807
11808 2007-01-08  Richard Guenther  <rguenther@suse.de>
11809
11810         * tree.h (force_fit_type_double): Export.
11811         (force_fit_type): Remove.
11812         * fold-const.c (force_fit_type_double): New function.
11813         (force_fit_type): Remove.
11814         (int_const_binop): Use it.
11815         (fold_convert_const_int_from_int): Likewise.
11816         (fold_convert_const_int_from_real): Likewise.
11817         (fold_div_compare): Likewise.
11818         (fold_sign_changed_comparison): Likewise.
11819         (fold_unary): Likewise.
11820         (fold_negate_const): Likewise.
11821         (fold_abs_const): Likewise.
11822         (fold_not_const): Likewise.
11823         * c-common.c (shorten_compare): Use force_fit_type_double.
11824         * convert.c (convert_to_pointer): Likewise.
11825
11826 2007-01-08  Richard Guenther  <rguenther@suse.de>
11827
11828         * tree.h (build_int_cst_wide_type): Export.
11829         * tree.c (build_int_cst_wide_type): New function.
11830         (build_int_cst_wide): Fix comment.
11831         * builtins.c (fold_builtin_object_size): Use build_int_cst
11832         to build -1 or 0 of the correct type.  Use fit_double_type
11833         to check for overflow.
11834         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
11835         to build the mask.
11836         (decode_field_reference): Likewise.
11837         (all_ones_mask_p): Likewise.
11838         (native_interpret_int): Use build_int_cst_wide_type.
11839         (fold_binary): Use build_int_cst_type to build an all-ones
11840         value.
11841         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
11842
11843 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
11844
11845         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
11846
11847 2007-01-09  Ben Elliston  <bje@au.ibm.com>
11848
11849         * genautomata.c (STATS_OPTION): New option.
11850         (stats_flag): New flag.
11851         (gen_automata_option): Handle it.
11852         (initiate_automaton_gen): Ditto.
11853         (write_automata): Output statistics only if stats_flag is
11854         set. Likewise, output time statistics only if time_flag is set.
11855         * doc/md.texi (Processor pipeline description): Document new flag.
11856
11857 2007-01-08  Richard Guenther  <rguenther@suse.de>
11858
11859         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
11860         * tree.c (build_int_cst_type): Likewise.
11861         (size_in_bytes): Don't call force_fit_type on the result.
11862         (int_fits_type_p): Use fit_double_type.
11863         * fold-const.c (fit_double_type): New function.
11864         (force_fit_type): Use it.
11865         * tree.h (fit_double_type): Export.
11866
11867 2007-01-08  Jan Hubicka  <jh@suse.cz>
11868
11869         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
11870         * ipa.c (function_and_variable_visibility): Fix return type.
11871
11872 2007-01-08  Richard Guenther  <rguenther@suse.de>
11873
11874         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
11875         of offset to build the index.
11876         * tree-pretty-print.c (dump_generic_node): Don't build negated
11877         const just for printing.
11878         * c-pretty-print.c (pp_c_integer_constant): Likewise.
11879         * builtins.c (fold_builtin_int_roundingfn): Check if result
11880         fits the type by using force_fit_type and comparing the result.
11881         * predict.c (predict_loops): Use compare_tree_int for comparison.
11882         * tree.c (build_int_cst): Fall back to integer_type_node for
11883         NULL_TREE type.
11884         (build_int_cst_wide): Assert type is non-null.
11885
11886 2007-01-08  Roberto Costa  <roberto.costa@st.com>
11887
11888         * tree-vrp.c (extract_range_from_cond_expr): New.
11889         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
11890         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
11891         as expressions.
11892         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
11893         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
11894         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
11895         used as expressions.
11896         * tree-object-size.c (cond_expr_object_size): New.
11897         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
11898
11899 2007-01-08  Jan Hubicka  <jh@suse.cz>
11900
11901         * tree-ssa-forwprop.c (forward_propagate_into_cond,
11902         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
11903         statement.
11904
11905 2007-01-08  Richard Guenther  <rguenther@suse.de>
11906
11907         PR tree-optimization/23603
11908         * tree-vrp.c (set_value_range_to_truthvalue): New function.
11909         (extract_range_from_binary): Fall back to truthvalue instead of
11910         varying for TRUTH_*_EXPR.
11911         (extract_range_from_comparison): Fall back to truthvalue instead of
11912         varying.
11913         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
11914         if all visited PHI values were constant.
11915
11916 2007-01-08  Jan Hubicka  <jh@suse.cz>
11917
11918         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
11919         (cgraph_analyze_function): break out from ...
11920         (cgraph_finalize_compilation_unit): ... here.
11921         (cgraph_expand_function): Remove forgoten commented out line.
11922         (cgraph_optimize): Analyze functions.
11923
11924 2007-01-08  Jan Hubicka  <jh@suse.cz>
11925
11926         * tree-pas.h (TODO_remove_function): New flag.
11927         (TODO_update*): Renumber.
11928         (pass_ipa_increase_alignment,
11929         pass_ipa_function_and_variable_visibility): New passes.
11930         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
11931         (cgraph_function_and_variable_visibility): Move to ipa.c
11932         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
11933         cgraph_increase_alignment.
11934         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
11935         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
11936         calling tree-inline.
11937         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
11938         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
11939         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
11940         (gate_increase_alignment): New function.
11941         (pass_ipa_increase_alignment): New pass.
11942         * ipa.c: Inline tree-pass.h and timevar.h
11943         (function_and_variable_visibility): Move here from cgraphunit.c
11944         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
11945         * passes.c (init_optimization_passes): Add the two new passes.
11946         (execute_todo): Handle cgraph_remove_functions.
11947
11948 2007-01-08  Nick Clifton  <nickc@redhat.com>
11949
11950         * config/frv/predicates.md (reg_or_0_operand): Accept
11951         CONST_DOUBLEs.
11952
11953 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
11954
11955         * config/bfin/rtems.h, config/bfin/t-rtems: New.
11956         * config.gcc: Add bfin*-rtems*.
11957
11958 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11959
11960         * c.opt: Add -flax-vector-conversions.
11961         * c-typeck.c (convert_for_assignment): Pass flag to
11962         vector_types_convertible_p to allow emission of note.
11963         (digest_init): Likewise.
11964         * c-opts.c: Handle -flax-vector-conversions.
11965         * c-common.c (flag_lax_vector_conversions): New.
11966         (vector_types_convertible_p): Unless -flax-vector conversions
11967         has been passed, disallow conversions between vectors with
11968         differing numbers of subparts and/or element types.  If such
11969         a conversion is disallowed, possibly emit a note on the first
11970         occasion only to inform the user of -flax-vector-conversions.
11971         The new last argument specifies this.
11972         * c-common.h (flag_lax_vector_conversions): New.
11973         (vector_types_convertible_p): Add extra argument.
11974         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
11975         char_type_node for V*QI type vectors.
11976         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
11977         Update to satisfy new typechecking rules.
11978         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
11979         C and C++ variants.
11980         * doc/invoke.texi (C Dialect Options): Document
11981         -flax-vector-conversions.
11982
11983 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11984
11985         PR tree-optimization/29877
11986         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
11987         a register variable on the RHS to not be replaceable.
11988
11989 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
11990         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
11991         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
11992         const_simm15, const_pow2, const_npow2): Added.
11993         * config/score/misc.md (insv, extv, extzv, movmemsi,
11994         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
11995         * config/score/score.c (score_address_cost, score_select_cc_mode):
11996         Added.
11997         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
11998         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
11999         Update score_print_operand.
12000         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
12001         Adjust register allocate order and update some macro define.
12002         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
12003         mdx_block_move_straight, mdx_block_move_loop_head,
12004         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
12005         mdx_block_move): Added.
12006         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
12007         mdp_limm): Updated and fix some bug and typo.
12008         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
12009         (movsf, movdf, doloop_end): Added.
12010
12011 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
12012
12013         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
12014         config/arm/thumb2.md: Fix comment typos.
12015         * doc/extend.texi: Fix a typo.
12016
12017 2007-01-07  Eric Christopher  <echristo@apple.com>
12018
12019         * configure.ac: Check for __stack_chk_fail for darwin.
12020         * configure: Regenerate.
12021
12022 2007-01-07  Richard Guenther  <rguenther@suse.de>
12023
12024         * tree-vrp.c (extract_range_from_assert): CSE calls to
12025         compare_values where possible.
12026         (extract_range_from_unary_expr): Likewise.
12027
12028 2007-01-07  Anatoly Sokolov <aesok@post.ru>
12029
12030         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
12031         * config/avr/avr.c (call_insn_operand): Delete function.
12032         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
12033         instead of register number. Use predicates.
12034         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
12035         call_insn_operand): Add.
12036
12037 2007-01-06  Jan Hubicka  <jh@suse.cz>
12038
12039         * tree-pass.h (pass_build_cgraph_edges): Declare.
12040         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
12041         (visited_nodes): Remove.
12042         (cgraph_create_edges): Move to cgraphbuild.c; rename to
12043         build_cgrpah_edges; make visited_nodes local.
12044         (cgraph_process_new_functions): DO not call initialize_inline_failed.
12045         (record_references_in_initializer): Move to cgraphbuild.c
12046         (initialize_inline_failed, rebuild_cgraph_edges,
12047         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
12048         (verify_cgraph_node): Make visited_nodes local.
12049         (cgraph_analyze_function): Do not call cgraph_create_edges and
12050         initialize_inline_failed.
12051         (cgraph_expand_function): Do not call cgraph_lower_function;
12052         assert that function is already lowered.
12053         * Makefile.in (cgraphbuild.o): New.
12054         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
12055         at the end of lowering passes.
12056
12057 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
12058
12059         * ifcvt.c (cond_move_convert_if_block): New function, code
12060         factored out from...
12061         (cond_move_process_if_block): ...here.  Call the new function
12062         on the THEN and ELSE blocks.
12063         (merge_if_block): Do not copy global_live_at_end, merge_blocks
12064         already takes care of this.
12065
12066 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12067
12068         PR c/19978
12069         * tree.h (TREE_OVERFLOW_P): New.
12070         * c-typeck.c (parser_build_unary_op): Warn only if result
12071         overflowed and operands did not.
12072         (parser_build_binary_op): Likewise.
12073         (convert_for_assignment): Remove redundant overflow_warning.
12074         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
12075
12076 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12077
12078         * c-typeck.c (store_init_value): Split over two lines to follow
12079         the GNU coding style.
12080
12081 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
12082
12083         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
12084         __GXX_EXPERIMENTAL_CXX0X__.
12085         * doc/cpp.texi: Same.
12086
12087 2007-01-05  Richard Guenther  <rguenther@suse.de>
12088
12089         PR middle-end/27826
12090         * tree.c (get_narrower): Do not construct COMPONENT_REFs
12091         with mismatched types.  Instead explicitly build a
12092         conversion NOP_EXPR.
12093
12094 2007-01-05  Ian Lance Taylor  <iant@google.com>
12095
12096         * c-common.c (decl_with_nonnull_addr_p): New function.
12097         (c_common_truthvalue_conversion): Call it.
12098         * c-typeck.c (build_binary_op): Likewise.
12099         * c-common.h (decl_with_nonnull_addr_p): Declare.
12100
12101 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
12102
12103         PR c/30360
12104         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
12105         denom against 0.0.
12106
12107 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
12108
12109         * doc/install.texi (Final install): Document the fact that
12110         the GNAT runtime should not be stripped.
12111
12112 2007-01-04  Jan Hubicka  <jh@suse.cz>
12113
12114         * tree-inline.c (fold_marked_statements): Update operand caches
12115         and EH after folding
12116
12117 2007-01-04  Ian Lance Taylor  <iant@google.com>
12118
12119         * c-common.c (check_function_nonnull): Whitespace fix.
12120
12121 2007-01-04  Jan Hubicka  <jh@suse.cz>
12122
12123         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
12124         comitted older version of patch.
12125         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
12126         function, celanup cfg and collect garbage.
12127
12128 2007-01-04  Mike Stump  <mrs@apple.com>
12129
12130         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
12131         (clean): Likewise.
12132
12133 2007-01-04  Eric Christopher  <echristo@apple.com>
12134
12135         * libgcc2.c (__bswapsi2): Use SItype.
12136         (__bswapdi2): Use DItype.
12137         * libgcc2.h: Update for above.
12138
12139 2007-01-04  Paul Brook  <paul@codesourcery.com>
12140
12141         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
12142         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
12143         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
12144         umulsidi3, umulsidi3adddi, smulsi3_highpart,
12145         umulsi3_highpart): Make conditional on !arm_arch6.
12146         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
12147         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
12148         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
12149         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
12150         umulsi3_highpart_v6): New insns.
12151
12152 2007-01-04  Roger Sayle  <roger@eyesopen.com>
12153
12154         * fold-const.c (fold_convert): When casting an expression to void,
12155         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
12156         have a type.  Instead of attempting to build a NOP_EXPR, return
12157         these "special" trees directly.
12158
12159 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
12160
12161         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
12162         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
12163         rs6000_cost->fp not 0 as adjustment for outer NEG.
12164
12165 2007-01-04  Jan Hubicka  <jh@suse.cz>
12166
12167         * cgraph.c (cgraph_release_function_body): New function.
12168         (cgraph_remove_node): Use it.
12169         * cgraph.h (cgraph_release_function_body): Declare.
12170         * cgraphunit.c (cgraph_expand_function): Use it.
12171         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
12172         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
12173         is initialized and while compilation of other function is running.
12174         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
12175         statement CFG annotations from here to ...
12176         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
12177
12178 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
12179
12180         * cfgloop.h (enum li_flags): Make the constants powers of two.
12181
12182 2007-01-04  Jan Hubicka  <jh@suse.cz>
12183
12184         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
12185         set.
12186         (fold_marked_statements): New function.
12187         (optimize_inline_calls, tree_function_versioning): Fold new statements.
12188         * tree-inline.h (copy_body_data): Add statements_to_fold.
12189
12190 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
12191
12192         * config.gcc: Mention libgcc/config.host.
12193         * Makefile.in: Update comments mentioning libgcc.
12194         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
12195         (all.cross, start.encap, rest.encap, rest.cross): Update
12196         dependencies for libgcc move.
12197         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
12198         (clean-target, clean-target-libgcc): Delete.
12199         (srcdirify, GCC_EXTRA_PARTS): New macros.
12200         (libgcc-support, libgcc.mvars): New rules.
12201         (distclean): Remove mention of mklibgcc.
12202         (install): Don't reference INSTALL_LIBGCC.
12203         (install-common): Don't reference EXTRA_PARTS.
12204         (install-libgcc, install-multilib): Delete rules.
12205         * mklibgcc.in: Delete file.
12206         * doc/configfiles.texi: Don't mention mklibgcc.
12207
12208         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
12209         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
12210         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
12211         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
12212         (mklibgcc, ldblspecs): Likewise.
12213
12214         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
12215         (posixpre.def): Use $(T).
12216         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
12217         (SHLIB_SRC, SHLIB_INSTALL): Delete.
12218         (SHLIB_LINK): Make dummy.
12219         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
12220
12221         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
12222
12223         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
12224         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
12225         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
12226         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
12227
12228         * configure.ac (all_outputs): Remove mklibgcc.
12229         * configure: Regenerated.
12230
12231 2007-01-03  Josh Conner  <jconner@apple.com>
12232
12233         PR middle-end/29683
12234         * calls.c (compute_argument_addresses): Set stack and stack_slot
12235         for partial args, too.
12236         (store_one_arg): Use locate.size.constant for the size when
12237         generating a save_area.
12238
12239 2007-01-03  Robert Kennedy <jimbob@google.com>
12240
12241         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
12242         whose definitions are deleted due to basic block merging.
12243
12244 2007-01-03  Paul Brook  <paul@codesourcery.com>
12245
12246         PR target/16634
12247         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
12248         functions.
12249         (use_return_insn): Return 0 for Thumb interrupt functions.
12250         (print_multi_reg): Add rfe argument for IRQ returns.
12251         (arm_output_epilogue): Pop interrupt return address directly into PC.
12252         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
12253
12254 2007-01-03  Paul Brook  <paul@codesourcery.com>
12255
12256         Merge from sourcerygxx-4_1.
12257         * config/arm/thumb2.md: New file.
12258         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
12259         Thumb-2.
12260         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
12261         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12262         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
12263         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
12264         tables.
12265         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12266         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
12267         comptibility.
12268         * config/arm/ieee754-sf.S: Ditto.
12269         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
12270         (thumb1_base_register_rtx_p): ... to this.
12271         (thumb_index_register_rtx_p): Rename...
12272         (thumb1_index_register_rtx_p): ... to this.
12273         (thumb_output_function_prologue): Rename...
12274         (thumb1_output_function_prologue): ... to this.
12275         (thumb_legitimate_address_p): Rename...
12276         (thumb1_legitimate_address_p): ... to this.
12277         (thumb_rtx_costs): Rename...
12278         (thumb1_rtx_costs): ... to this.
12279         (thumb_compute_save_reg_mask): Rename...
12280         (thumb1_compute_save_reg_mask): ... to this.
12281         (thumb_final_prescan_insn): Rename...
12282         (thumb1_final_prescan_insn): ... to this.
12283         (thumb_expand_epilogue): Rename...
12284         (thumb1_expand_epilogue): ... to this.
12285         (arm_unwind_emit_stm): Rename...
12286         (arm_unwind_emit_sequence): ... to this.
12287         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
12288         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
12289         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
12290         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
12291         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
12292         thumb2_output_casesi): New functions.
12293         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
12294         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
12295         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
12296         THUMB2_WORK_REGS): Define.
12297         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
12298         arm_condexec_mask, arm_condexec_masklen)): New variables.
12299         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
12300         (arm_override_options): Check new CPU capabilities.
12301         Set new architecture flag variables.
12302         (arm_isr_value): Handle v7m interrupt functions.
12303         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
12304         Thumb-2.
12305         (const_ok_for_arm): Handle Thumb-2 constants.
12306         (arm_gen_constant): Ditto.  Use movw when available.
12307         (arm_function_ok_for_sibcall): Return false for v7m interrupt
12308         functions.
12309         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
12310         (thumb_find_work_register, arm_load_pic_register,
12311         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
12312         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
12313         print_multi_reg, output_mov_long_double_fpa_from_arm,
12314         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
12315         output_mov_double_fpa_from_arm, output_move_double,
12316         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
12317         output_return_instruction, arm_output_function_prologue,
12318         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
12319         arm_output_mi_thunk, thumb_set_return_address): Ditto.
12320         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
12321         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
12322         (arithmetic_instr, shift_op): Use arm_shift_nmem.
12323         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
12324         '!' and 'L'.
12325         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
12326         (thumb_expand_prologue): Use thumb_set_frame_pointer.
12327         (arm_file_start): Output directive for unified syntax.
12328         (arm_unwind_emit_set): Handle stack alignment instruction.
12329         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
12330         Add v6t2, v7, v7a, v7r and v7m.
12331         (RETLDM): Add Thumb-2 code.
12332         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
12333         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
12334         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
12335         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
12336         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
12337         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
12338         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12339         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12340         ADJUST_INSN_LENGTH): Define.
12341         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12342         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12343         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12344         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12345         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12346         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12347         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12348         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12349         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12350         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12351         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12352         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12353         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12354         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12355         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12356         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12357         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12358         cortex-m3.
12359         * config/arm/arm-tune.md: Regenerate.
12360         * config/arm/arm-protos.h: Update prototypes.
12361         * config/arm/vfp.md: Enable patterns for Thumb-2.
12362         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
12363         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12364         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12365         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12366         * config/arm/libunwind.S: Add Thumb-2 code.
12367         * config/arm/constraints.md: Update include Thumb-2.
12368         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12369         * config/arm/ieee754-df.S: Ditto.
12370         * config/arm/bpabi.S: Ditto.
12371         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12372         * config/arm/predicates.md (low_register_operand,
12373         low_reg_or_int_operand, thumb_16bit_operator): New.
12374         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12375         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12376         * config/arm/t-arm-elf: Add armv7 multilib.
12377         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12378         Include thumb2.md.
12379         (UNSPEC_STACK_ALIGN, ce_count): New.
12380         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
12381         arm_zero_extendsidi2, arm_zero_extendqidi2): New
12382         insns/expanders.
12383         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
12384         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
12385         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
12386         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
12387         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
12388         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
12389         insns.
12390         * doc/extend.texi: Document ARMv7-M interrupt functions.
12391         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
12392
12393 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
12394
12395         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
12396         (struct _Unwind_Context): Rename args_size to flags, remove
12397         signal_frame field, add a new args_size field and version field.
12398         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
12399         _Unwind_IsExtendedContext): New inline functions.
12400         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12401         Assume by_value array is only present if _Unwind_IsExtendedContext.
12402         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
12403         _Unwind_IsSignalFrame.
12404         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
12405         (uw_update_context_1): Use _Unwind_SetSignalFrame.
12406         (uw_init_context_1): Initialize context->flags to
12407         EXTENDED_CONTEXT_BIT.
12408         * config/rs6000/linux-unwind.h (frob_update_context): Use
12409         _Unwind_SetSignalFrame.
12410
12411 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12412
12413         PR middle-end/30353
12414         * gimplify.c (gimplify_modify_expr_complex_part): Move below
12415         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
12416         the value.
12417
12418 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
12419
12420         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12421         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12422         RET, AT_SP): Remove.
12423         * config/i386/i386.md (*sse_prologue_save_insn): Use return
12424         instead of RET.
12425
12426         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12427         * cfgbuild.c (find_basic_blocks): Likewise.
12428         * cfgrtl.c (rtl_create_basic_block): Likewise.
12429         * function.c (temp_slots_at_level): Likewise.
12430         * reg-stack.c (stack_regs_mentioned): Likewise.
12431         * regclass.c (allocate_reg_info): Likewise.
12432         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12433         set_bb_for_stmt, move_block_to_fn): Likewise.
12434         * tree-complex.c (tree_lower_complex): Likewise.
12435         * vec.h (VEC_safe_grow_cleared): New.
12436
12437         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
12438
12439 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
12440
12441         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
12442         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
12443         to loop_version.
12444         * cfgloopmanip.c (scale_loop_frequencies): Export.
12445         (loopify): Scale the frequencies by prescribed coefficients.
12446         (set_zero_probability): New function.
12447         (duplicate_loop_to_header_edge): Improve updating of frequencies.
12448         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
12449         and frequencies according to arguments.
12450         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
12451         correctly.
12452         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
12453         * modulo-sched.c (sms_schedule): Set probabilities for entering
12454         versioned loop correctly.
12455         * tree-vect-transform.c (vect_transform_loop): Ditto.
12456         * cfgloop.h (loopify, loop_version): Declaration changed.
12457         (scale_loop_frequencies): Declared.
12458
12459 2007-01-02  Jan Hubicka  <jh@suse.cz>
12460
12461         * cgraph.c: Include tree-flow.h
12462         (cgraph_add_new-function): Handle IPA_SSA mode; execute
12463         early_local_passes.
12464         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
12465         * tree-pass.h (pass_all_early_optimizations): Declare.
12466         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
12467         early_local_passes.
12468         (cgraph_analyze_function): Do early_local_passes.
12469         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12470         Do not add referenced vars.
12471         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
12472         SSA form.
12473         (gate_all_early_local_passes): New gate.
12474         (pass_early_local_passes): Use new gate.
12475         (execute_early_local_optimizations): New functions.
12476         (gate_all_early_optimizations): New gate.
12477         (pass_all_early_optimizations): New pass.
12478         (execute_free_datastructures): Free SSA only when initialized.
12479         (gate_init_datastructures): Init only when optimizing.
12480         (tree_lowering_passes): Do early local passes when called late.
12481         * tree-profile.c (do_tree_profiling): Don't profile functions added
12482         late.
12483         (do_early_tree_profiling, pass_early_tree_profile): Kill.
12484         * tree-cfg.c (update_modified_stmts): Do not update when operands are
12485         not active.
12486         * passes.c (init_optimizations_passes): Reorder so we go into SSA
12487         during early_local_passes.
12488         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
12489
12490
12491 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12492
12493         * Makefile.in: Update copyright year.
12494
12495 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12496
12497         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
12498         in $(lang_checks) and check-consistency targets.
12499
12500 2007-01-02  Jan Hubicka  <jh@suse.cz>
12501
12502         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12503         Do not add referenced vars.
12504         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
12505         are not active.
12506         * passes.c (init_optimization_passes): Put mudflap_2 after
12507         free_datastructures.
12508
12509 2007-01-02  Jan Hubicka  <jh@suse.cz>
12510
12511         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
12512         Set NOTHROW flag on call statements proved to be nothrow.
12513         Update statement of local calls so new pure/const functions are
12514         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
12515         goto receivers.
12516         (tree_rest_of_compilation): Register hooks and initialize bitmap
12517         early. Do not set after_inlining flag.
12518
12519 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
12520
12521         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
12522         HOST_BITS_PER_LONGLONG
12523
12524 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12525
12526         PR c/19977
12527         * c-typeck.c (store_init_value): Don't emit pedantic overflow
12528         warning for non-static initializers.
12529
12530 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
12531
12532         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
12533         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
12534         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
12535         Always use set_unique_reg_note to add REG_EQUAL notes.
12536
12537 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12538
12539         Revert:
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  Ian Lance Taylor  <iant@google.com>
12554
12555         * c-common.c (c_common_truthvalue_conversion): When warning about
12556         using an assignment as a truth value, set TREE_NO_WARNING.
12557
12558 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12559
12560         PR middle-end/7651
12561         * c.opt (Wold-style-declaration): New.
12562         * doc/invoke.texi (C-only Warning Options): New.
12563         (Wold-style-declaration): Document it.
12564         (Wextra): Enabled by -Wextra.
12565         * c-opts.c (c_common_post_options): Enabled by -Wextra.
12566         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
12567         -Wold-style-declaration.
12568
12569 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12570
12571         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12572         * cfgbuild.c (find_basic_blocks): Likewise.
12573         * cfgrtl.c (rtl_create_basic_block): Likewise.
12574         * function.c (temp_slots_at_level): Likewise.
12575         * reg-stack.c (stack_regs_mentioned): Likewise.
12576         * regclass.c (allocate_reg_info): Likewise.
12577         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12578         set_bb_for_stmt, move_block_to_fn): Likewise.
12579         * tree-complex.c (tree_lower_complex): Likewise.
12580         * vec.h (VEC_safe_grow_cleared): New.
12581
12582 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
12583
12584         * c-common.c (c_common_nodes_and_builtins): Since variants of
12585         void_type_node get built before it is given a name, we need to
12586         give those variants the name, too.
12587         (complete_array_type): We need to work with the canonical main
12588         type of the array, from which we will build the qualified version.
12589         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12590         * print-tree.c (print_node): Display canonical type information
12591         for each type.
12592         * stor-layout.c (layout_type): When we don't know the
12593         alignment of a type for which we're building an array, we end up
12594         guessing wrong, so make the type require structural equality.
12595         * tree.c (make_node_stat): When we build a new type, it is its
12596         own canonical type.
12597         (build_type_attribute_qual_variant): When building an attribute
12598         variant, its canonical type is the non-attribute variant. However,
12599         if the attributes are target-dependent and they differ, we need to
12600         use structural equality checks for this type.
12601         (build_qualified_type): A qualified type is not equivalent to its
12602         unqualified variant; set the canonical type appropriately.
12603         (build_distinct_type_copy): When building a distinct type from
12604         another type, the new type is its own canonical type.
12605         (build_variant_type_copy): When building a new type variant, we
12606         assume that it is equivalent to the original type.
12607         (build_pointer_type_for_mode): When building a pointer type, also
12608         build a canonical type pointer.
12609         (build_reference_type_for_mode): When building a reference type,
12610         also build a canonical type reference.
12611         (build_index_type): When we can't hash an index type (e.g.,
12612         because its maximum value is negative), the index type requires
12613         structural equality tests.
12614         (build_array_type): Build the canonical form of an array type.
12615         (build_function_type): Function types require structural equality,
12616         because they contain default arguments, attributes, etc.
12617         (build_method_type_directly): Ditto for method types.
12618         (build_offset_type): Build the canonical offset type.
12619         (build_complex_type): Build the canonical vector type.
12620         (make_vector_type): Build the canonical vector type.
12621         * tree.h (TYPE_CANONICAL): New.
12622         (TYPE_STRUCTURAL_EQUALITY_P): New.
12623         (SET_TYPE_STRUCTURAL_EQUALITY): New.
12624         (struct tree_type): Added "canonical" field.
12625         * params.h (VERIFY_CANONICAL_TYPES): New.
12626         * doc/c-tree.texi (TYPE_CANONICAL): Document.
12627         (TYPE_STRUCTURAL_EQUALITY_P): Document.
12628         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12629         * doc/invoke.texi (verify-canonical-types): Document --param
12630         parameter for verifying canonical types.
12631
12632 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12633
12634         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12635         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12636         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12637         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12638         tm_file.
12639         * config/rs6000/e500.h: New.
12640         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12641         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12642         Remove.
12643         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12644         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12645         TARGET_E500_DOUBLE): Remove.
12646         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12647         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12648         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12649         * config/rs6000/rs6000.c (rs6000_override_options): Use
12650         CHECK_E500_OPTIONS.
12651
12652 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12653
12654         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12655         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12656         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12657         rs6000_emit_cmove): Don't check TARGET_E500.
12658         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12659         sordered): Don't check TARGET_E500.
12660
12661 2007-01-01  Eric Christopher  <echristo@apple.com>
12662
12663         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
12664         HARD_REGISTER_NUM_P.
12665
12666 2007-01-01  Roger Sayle  <roger@eyesopen.com>
12667
12668         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
12669         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
12670         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
12671         eq/ne Y".
12672
12673 2007-01-01  Mike Stump  <mrs@apple.com>
12674
12675         * configure.ac: Remove support for building with Apple's gcc-3.1.
12676
12677 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12678
12679         PR middle-end/30311
12680         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
12681         REG is a hard register.  Do not modify REG before calling
12682         subreg_nregs.
12683         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
12684         multiple of the size of YMODE for certain lowpart cases.
12685
12686 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12687
12688         PR middle-end/30253
12689         * gimplify (voidify_wrapper_expr): Update for
12690         GIMPLE_MODIFY_STMT.
12691
12692 2007-01-01  Andreas Schwab  <schwab@suse.de>
12693
12694         PR target/29166
12695         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
12696         save of BR0 in extra_spill_size instead of spill_size.
12697         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
12698         area.
12699         (ia64_expand_epilogue): Restore BR0 from its new location.
12700
12701 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12702
12703         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
12704         Use a temporary variable if the left hand side is not a gimple
12705         register.
12706
12707 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12708
12709         * gimplify.c (gimplify_return_expr): Make the temporary variable
12710         for the return expression, a gimple register variable.
12711
12712 2007-01-01  Jan Hubicka  <jh@suse.cz>
12713
12714         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
12715         INSN_LIST.
12716
12717 2007-01-01  Mike Stump  <mrs@apple.com>
12718
12719         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
12720         .literal16.
12721         * config/darwin.c (machopic_select_rtx_section): Use
12722         HAVE_GAS_LITERAL16.
12723         (darwin_mergeable_constant_section): Likewise.
12724         * configure: Regenerate.
12725         * config.in: Regenerate.
12726
12727 2007-01-01  Jan Hubicka  <jh@suse.cz>
12728             Andrew Pinski  <pinskia@gmail.com>
12729
12730         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
12731         before starting IPA passes.